// Do not edit this file; automatically generated by build.py.
'use strict';

var COMPILED = !0,
	goog = goog || {};
goog.global = this;
goog.isDef = function (a) {
	return void 0 !== a
};
goog.exportPath_ = function (a, b, c) {
	a = a.split(".");
	c = c || goog.global;
	a[0] in c || !c.execScript || c.execScript("var " + a[0]);
	for (var d; a.length && (d = a.shift()) ;) !a.length && goog.isDef(b) ? c[d] = b : c = c[d] ? c[d] : c[d] = {}
};
goog.define = function (a, b) {
	var c = b;
	COMPILED || (goog.global.CLOSURE_UNCOMPILED_DEFINES && Object.prototype.hasOwnProperty.call(goog.global.CLOSURE_UNCOMPILED_DEFINES, a) ? c = goog.global.CLOSURE_UNCOMPILED_DEFINES[a] : goog.global.CLOSURE_DEFINES && Object.prototype.hasOwnProperty.call(goog.global.CLOSURE_DEFINES, a) && (c = goog.global.CLOSURE_DEFINES[a]));
	goog.exportPath_(a, c)
};
goog.DEBUG = !1;
goog.LOCALE = "en";
goog.TRUSTED_SITE = !0;
goog.STRICT_MODE_COMPATIBLE = !1;
goog.DISALLOW_TEST_ONLY_CODE = COMPILED && !goog.DEBUG;
goog.ENABLE_CHROME_APP_SAFE_SCRIPT_LOADING = !1;
goog.provide = function (a) {
	if (goog.isInModuleLoader_()) throw Error("goog.provide can not be used within a goog.module.");
	if (!COMPILED && goog.isProvided_(a)) throw Error('Namespace "' + a + '" already declared.');
	goog.constructNamespace_(a)
};
goog.constructNamespace_ = function (a, b) {
	if (!COMPILED) {
		delete goog.implicitNamespaces_[a];
		for (var c = a;
			(c = c.substring(0, c.lastIndexOf("."))) && !goog.getObjectByName(c) ;) goog.implicitNamespaces_[c] = !0
	}
	goog.exportPath_(a, b)
};
goog.VALID_MODULE_RE_ = /^[a-zA-Z_$][a-zA-Z0-9._$]*$/;
goog.module = function (a) {
	if (!goog.isString(a) || !a || -1 == a.search(goog.VALID_MODULE_RE_)) throw Error("Invalid module identifier");
	if (!goog.isInModuleLoader_()) throw Error("Module " + a + " has been loaded incorrectly. Note, modules cannot be loaded as normal scripts. They require some kind of pre-processing step. You're likely trying to load a module via a script tag or as a part of a concatenated bundle without rewriting the module. For more info see: https://github.com/google/closure-library/wiki/goog.module:-an-ES6-module-like-alternative-to-goog.provide.");
	if (goog.moduleLoaderState_.moduleName) throw Error("goog.module may only be called once per module.");
	goog.moduleLoaderState_.moduleName = a;
	if (!COMPILED) {
		if (goog.isProvided_(a)) throw Error('Namespace "' + a + '" already declared.');
		delete goog.implicitNamespaces_[a]
	}
};
goog.module.get = function (a) {
	return goog.module.getInternal_(a)
};
goog.module.getInternal_ = function (a) {
	if (!COMPILED) return goog.isProvided_(a) ? a in goog.loadedModules_ ? goog.loadedModules_[a] : goog.getObjectByName(a) : null
};
goog.moduleLoaderState_ = null;
goog.isInModuleLoader_ = function () {
	return null != goog.moduleLoaderState_
};
goog.module.declareLegacyNamespace = function () {
	if (!COMPILED && !goog.isInModuleLoader_()) throw Error("goog.module.declareLegacyNamespace must be called from within a goog.module");
	if (!COMPILED && !goog.moduleLoaderState_.moduleName) throw Error("goog.module must be called prior to goog.module.declareLegacyNamespace.");
	goog.moduleLoaderState_.declareLegacyNamespace = !0
};
goog.setTestOnly = function (a) {
	if (goog.DISALLOW_TEST_ONLY_CODE) throw a = a || "", Error("Importing test-only code into non-debug environment" + (a ? ": " + a : "."));
};
goog.forwardDeclare = function (a) { };
COMPILED || (goog.isProvided_ = function (a) {
	return a in goog.loadedModules_ || !goog.implicitNamespaces_[a] && goog.isDefAndNotNull(goog.getObjectByName(a))
}, goog.implicitNamespaces_ = {
	"goog.module": !0
});
goog.getObjectByName = function (a, b) {
	for (var c = a.split("."), d = b || goog.global, e; e = c.shift() ;)
		if (goog.isDefAndNotNull(d[e])) d = d[e];
		else return null;
	return d
};
goog.globalize = function (a, b) {
	var c = b || goog.global,
		d;
	for (d in a) c[d] = a[d]
};
goog.addDependency = function (a, b, c, d) {
	if (goog.DEPENDENCIES_ENABLED) {
		var e;
		a = a.replace(/\\/g, "/");
		var f = goog.dependencies_;
		d && "boolean" !== typeof d || (d = d ? {
			module: "goog"
		} : {});
		for (var g = 0; e = b[g]; g++) f.nameToPath[e] = a, f.loadFlags[a] = d;
		for (d = 0; b = c[d]; d++) a in f.requires || (f.requires[a] = {}), f.requires[a][b] = !0
	}
};
goog.ENABLE_DEBUG_LOADER = !0;
goog.logToConsole_ = function (a) {
	goog.global.console && goog.global.console.error(a)
};
goog.require = function (a) {
	if (!COMPILED) {
		goog.ENABLE_DEBUG_LOADER && goog.IS_OLD_IE_ && goog.maybeProcessDeferredDep_(a);
		if (goog.isProvided_(a)) {
			if (goog.isInModuleLoader_()) return goog.module.getInternal_(a)
		} else if (goog.ENABLE_DEBUG_LOADER) {
			var b = goog.getPathFromDeps_(a);
			if (b) goog.writeScripts_(b);
			else throw a = "goog.require could not find: " + a, goog.logToConsole_(a), Error(a);
		}
		return null
	}
};
goog.basePath = "";
goog.nullFunction = function () { };
goog.abstractMethod = function () {
	throw Error("unimplemented abstract method");
};
goog.addSingletonGetter = function (a) {
	a.getInstance = function () {
		if (a.instance_) return a.instance_;
		goog.DEBUG && (goog.instantiatedSingletons_[goog.instantiatedSingletons_.length] = a);
		return a.instance_ = new a
	}
};
goog.instantiatedSingletons_ = [];
goog.LOAD_MODULE_USING_EVAL = !0;
goog.SEAL_MODULE_EXPORTS = goog.DEBUG;
goog.loadedModules_ = {};
goog.DEPENDENCIES_ENABLED = !COMPILED && goog.ENABLE_DEBUG_LOADER;
goog.TRANSPILE = "detect";
goog.TRANSPILER = "transpile.js";
goog.DEPENDENCIES_ENABLED && (goog.dependencies_ = {
	loadFlags: {},
	nameToPath: {},
	requires: {},
	visited: {},
	written: {},
	deferred: {}
}, goog.inHtmlDocument_ = function () {
	var a = goog.global.document;
	return null != a && "write" in a
}, goog.findBasePath_ = function () {
	if (goog.isDef(goog.global.CLOSURE_BASE_PATH)) goog.basePath = goog.global.CLOSURE_BASE_PATH;
	else if (goog.inHtmlDocument_())
		for (var a = goog.global.document.getElementsByTagName("SCRIPT"), b = a.length - 1; 0 <= b; --b) {
			var c = a[b].src,
				d = c.lastIndexOf("?"),
				d = -1 == d ? c.length : d;
			if ("base.js" ==
				c.substr(d - 7, 7)) {
				goog.basePath = c.substr(0, d - 7);
				break
			}
		}
}, goog.importScript_ = function (a, b) {
	(goog.global.CLOSURE_IMPORT_SCRIPT || goog.writeScriptTag_)(a, b) && (goog.dependencies_.written[a] = !0)
}, goog.IS_OLD_IE_ = !(goog.global.atob || !goog.global.document || !goog.global.document.all), goog.importProcessedScript_ = function (a, b, c) {
	goog.importScript_("", 'goog.retrieveAndExec_("' + a + '", ' + b + ", " + c + ");")
}, goog.queuedModules_ = [], goog.wrapModule_ = function (a, b) {
	return goog.LOAD_MODULE_USING_EVAL && goog.isDef(goog.global.JSON) ?
		"goog.loadModule(" + goog.global.JSON.stringify(b + "\n//# sourceURL=" + a + "\n") + ");" : 'goog.loadModule(function(exports) {"use strict";' + b + "\n;return exports});\n//# sourceURL=" + a + "\n"
}, goog.loadQueuedModules_ = function () {
	var a = goog.queuedModules_.length;
	if (0 < a) {
		var b = goog.queuedModules_;
		goog.queuedModules_ = [];
		for (var c = 0; c < a; c++) goog.maybeProcessDeferredPath_(b[c])
	}
}, goog.maybeProcessDeferredDep_ = function (a) {
	goog.isDeferredModule_(a) && goog.allDepsAreAvailable_(a) && (a = goog.getPathFromDeps_(a), goog.maybeProcessDeferredPath_(goog.basePath +
		a))
}, goog.isDeferredModule_ = function (a) {
	var b = (a = goog.getPathFromDeps_(a)) && goog.dependencies_.loadFlags[a] || {},
		c = b.lang || "es3";
	return a && ("goog" == b.module || goog.needsTranspile_(c)) ? goog.basePath + a in goog.dependencies_.deferred : !1
}, goog.allDepsAreAvailable_ = function (a) {
	if ((a = goog.getPathFromDeps_(a)) && a in goog.dependencies_.requires)
		for (var b in goog.dependencies_.requires[a])
			if (!goog.isProvided_(b) && !goog.isDeferredModule_(b)) return !1;
	return !0
}, goog.maybeProcessDeferredPath_ = function (a) {
	if (a in
		goog.dependencies_.deferred) {
		var b = goog.dependencies_.deferred[a];
		delete goog.dependencies_.deferred[a];
		goog.globalEval(b)
	}
}, goog.loadModuleFromUrl = function (a) {
	goog.retrieveAndExec_(a, !0, !1)
}, goog.writeScriptSrcNode_ = function (a) {
	goog.global.document.write('<script type="text/javascript" src="' + a + '">\x3c/script>')
}, goog.appendScriptSrcNode_ = function (a) {
	var b = goog.global.document,
		c = b.createElement("script");
	c.type = "text/javascript";
	c.src = a;
	c.defer = !1;
	c.async = !1;
	b.head.appendChild(c)
}, goog.writeScriptTag_ =
	function (a, b) {
    	if (goog.inHtmlDocument_()) {
    		var c = goog.global.document;
    		if (!goog.ENABLE_CHROME_APP_SAFE_SCRIPT_LOADING && "complete" == c.readyState) {
    			if (/\bdeps.js$/.test(a)) return !1;
    			throw Error('Cannot write "' + a + '" after document load');
    		}
    		if (void 0 === b)
    			if (goog.IS_OLD_IE_) {
    				var d = " onreadystatechange='goog.onScriptLoad_(this, " + ++goog.lastNonModuleScriptIndex_ + ")' ";
    				c.write('<script type="text/javascript" src="' + a + '"' + d + ">\x3c/script>")
    			} else goog.ENABLE_CHROME_APP_SAFE_SCRIPT_LOADING ? goog.appendScriptSrcNode_(a) :
					goog.writeScriptSrcNode_(a);
    		else c.write('<script type="text/javascript">' + b + "\x3c/script>");
    		return !0
    	}
    	return !1
	}, goog.needsTranspile_ = function (a) {
    	if ("always" == goog.TRANSPILE) return !0;
    	if ("never" == goog.TRANSPILE) return !1;
    	goog.requiresTranspilation_ || (goog.requiresTranspilation_ = goog.createRequiresTranspilation_());
    	if (a in goog.requiresTranspilation_) return goog.requiresTranspilation_[a];
    	throw Error("Unknown language mode: " + a);
	}, goog.requiresTranspilation_ = null, goog.lastNonModuleScriptIndex_ = 0, goog.onScriptLoad_ =
	function (a, b) {
    	"complete" == a.readyState && goog.lastNonModuleScriptIndex_ == b && goog.loadQueuedModules_();
    	return !0
	}, goog.writeScripts_ = function (a) {
    	function b(a) {
    		if (!(a in e.written || a in e.visited)) {
    			e.visited[a] = !0;
    			if (a in e.requires)
    				for (var f in e.requires[a])
    					if (!goog.isProvided_(f))
    						if (f in e.nameToPath) b(e.nameToPath[f]);
    						else throw Error("Undefined nameToPath for " + f);
    			a in d || (d[a] = !0, c.push(a))
    		}
    	}
    	var c = [],
			d = {},
			e = goog.dependencies_;
    	b(a);
    	for (a = 0; a < c.length; a++) {
    		var f = c[a];
    		goog.dependencies_.written[f] = !0
    	}
    	var g = goog.moduleLoaderState_;
    	goog.moduleLoaderState_ = null;
    	for (a = 0; a < c.length; a++)
    		if (f = c[a]) {
    			var h = e.loadFlags[f] || {},
					k = goog.needsTranspile_(h.lang || "es3");
    			"goog" == h.module || k ? goog.importProcessedScript_(goog.basePath + f, "goog" == h.module, k) : goog.importScript_(goog.basePath + f)
    		} else throw goog.moduleLoaderState_ = g, Error("Undefined script input");
    	goog.moduleLoaderState_ = g
	}, goog.getPathFromDeps_ = function (a) {
    	return a in goog.dependencies_.nameToPath ? goog.dependencies_.nameToPath[a] : null
	}, goog.findBasePath_(),
	goog.global.CLOSURE_NO_DEPS || goog.importScript_(goog.basePath + "deps.js"));
goog.loadModule = function (a) {
	var b = goog.moduleLoaderState_;
	try {
		goog.moduleLoaderState_ = {
			moduleName: void 0,
			declareLegacyNamespace: !1
		};
		var c;
		if (goog.isFunction(a)) c = a.call(void 0, {});
		else if (goog.isString(a)) c = goog.loadModuleFromSource_.call(void 0, a);
		else throw Error("Invalid module definition");
		var d = goog.moduleLoaderState_.moduleName;
		if (!goog.isString(d) || !d) throw Error('Invalid module name "' + d + '"');
		goog.moduleLoaderState_.declareLegacyNamespace ? goog.constructNamespace_(d, c) : goog.SEAL_MODULE_EXPORTS &&
			Object.seal && goog.isObject(c) && Object.seal(c);
		goog.loadedModules_[d] = c
	} finally {
		goog.moduleLoaderState_ = b
	}
};
goog.loadModuleFromSource_ = function (a) {
	eval(a);
	return {}
};
goog.normalizePath_ = function (a) {
	a = a.split("/");
	for (var b = 0; b < a.length;) "." == a[b] ? a.splice(b, 1) : b && ".." == a[b] && a[b - 1] && ".." != a[b - 1] ? a.splice(--b, 2) : b++;
	return a.join("/")
};
goog.loadFileSync_ = function (a) {
	if (goog.global.CLOSURE_LOAD_FILE_SYNC) return goog.global.CLOSURE_LOAD_FILE_SYNC(a);
	try {
		var b = new goog.global.XMLHttpRequest;
		b.open("get", a, !1);
		b.send();
		return 0 == b.status || 200 == b.status ? b.responseText : null
	} catch (c) {
		return null
	}
};
goog.retrieveAndExec_ = function (a, b, c) {
	if (!COMPILED) {
		var d = a;
		a = goog.normalizePath_(a);
		var e = goog.global.CLOSURE_IMPORT_SCRIPT || goog.writeScriptTag_,
			f = goog.loadFileSync_(a);
		if (null == f) throw Error('Load of "' + a + '" failed');
		c && (f = goog.transpile_.call(goog.global, f, a));
		f = b ? goog.wrapModule_(a, f) : f + ("\n//# sourceURL=" + a);
		goog.IS_OLD_IE_ ? (goog.dependencies_.deferred[d] = f, goog.queuedModules_.push(d)) : e(a, f)
	}
};
goog.transpile_ = function (a, b) {
	var c = goog.global.$jscomp;
	c || (goog.global.$jscomp = c = {});
	var d = c.transpile;
	if (!d) {
		var e = goog.basePath + goog.TRANSPILER,
			f = goog.loadFileSync_(e);
		if (f) {
			eval(f + "\n//# sourceURL=" + e);
			if (goog.global.$gwtExport && goog.global.$gwtExport.$jscomp && !goog.global.$gwtExport.$jscomp.transpile) throw Error('The transpiler did not properly export the "transpile" method. $gwtExport: ' + JSON.stringify(goog.global.$gwtExport));
			goog.global.$jscomp.transpile = goog.global.$gwtExport.$jscomp.transpile;
			c = goog.global.$jscomp;
			d = c.transpile
		}
	}
	d || (d = c.transpile = function (a, b) {
		goog.logToConsole_(b + " requires transpilation but no transpiler was found.");
		return a
	});
	return d(a, b)
};
goog.typeOf = function (a) {
	var b = typeof a;
	if ("object" == b)
		if (a) {
			if (a instanceof Array) return "array";
			if (a instanceof Object) return b;
			var c = Object.prototype.toString.call(a);
			if ("[object Window]" == c) return "object";
			if ("[object Array]" == c || "number" == typeof a.length && "undefined" != typeof a.splice && "undefined" != typeof a.propertyIsEnumerable && !a.propertyIsEnumerable("splice")) return "array";
			if ("[object Function]" == c || "undefined" != typeof a.call && "undefined" != typeof a.propertyIsEnumerable && !a.propertyIsEnumerable("call")) return "function"
		} else return "null";
	else if ("function" == b && "undefined" == typeof a.call) return "object";
	return b
};
goog.isNull = function (a) {
	return null === a
};
goog.isDefAndNotNull = function (a) {
	return null != a
};
goog.isArray = function (a) {
	return "array" == goog.typeOf(a)
};
goog.isArrayLike = function (a) {
	var b = goog.typeOf(a);
	return "array" == b || "object" == b && "number" == typeof a.length
};
goog.isDateLike = function (a) {
	return goog.isObject(a) && "function" == typeof a.getFullYear
};
goog.isString = function (a) {
	return "string" == typeof a
};
goog.isBoolean = function (a) {
	return "boolean" == typeof a
};
goog.isNumber = function (a) {
	return "number" == typeof a
};
goog.isFunction = function (a) {
	return "function" == goog.typeOf(a)
};
goog.isObject = function (a) {
	var b = typeof a;
	return "object" == b && null != a || "function" == b
};
goog.getUid = function (a) {
	return a[goog.UID_PROPERTY_] || (a[goog.UID_PROPERTY_] = ++goog.uidCounter_)
};
goog.hasUid = function (a) {
	return !!a[goog.UID_PROPERTY_]
};
goog.removeUid = function (a) {
	null !== a && "removeAttribute" in a && a.removeAttribute(goog.UID_PROPERTY_);
	try {
		delete a[goog.UID_PROPERTY_]
	} catch (b) { }
};
goog.UID_PROPERTY_ = "closure_uid_" + (1E9 * Math.random() >>> 0);
goog.uidCounter_ = 0;
goog.getHashCode = goog.getUid;
goog.removeHashCode = goog.removeUid;
goog.cloneObject = function (a) {
	var b = goog.typeOf(a);
	if ("object" == b || "array" == b) {
		if (a.clone) return a.clone();
		var b = "array" == b ? [] : {},
			c;
		for (c in a) b[c] = goog.cloneObject(a[c]);
		return b
	}
	return a
};
goog.bindNative_ = function (a, b, c) {
	return a.call.apply(a.bind, arguments)
};
goog.bindJs_ = function (a, b, c) {
	if (!a) throw Error();
	if (2 < arguments.length) {
		var d = Array.prototype.slice.call(arguments, 2);
		return function () {
			var c = Array.prototype.slice.call(arguments);
			Array.prototype.unshift.apply(c, d);
			return a.apply(b, c)
		}
	}
	return function () {
		return a.apply(b, arguments)
	}
};
goog.bind = function (a, b, c) {
	Function.prototype.bind && -1 != Function.prototype.bind.toString().indexOf("native code") ? goog.bind = goog.bindNative_ : goog.bind = goog.bindJs_;
	return goog.bind.apply(null, arguments)
};
goog.partial = function (a, b) {
	var c = Array.prototype.slice.call(arguments, 1);
	return function () {
		var b = c.slice();
		b.push.apply(b, arguments);
		return a.apply(this, b)
	}
};
goog.mixin = function (a, b) {
	for (var c in b) a[c] = b[c]
};
goog.now = goog.TRUSTED_SITE && Date.now || function () {
	return +new Date
};
goog.globalEval = function (a) {
	if (goog.global.execScript) goog.global.execScript(a, "JavaScript");
	else if (goog.global.eval) {
		if (null == goog.evalWorksForGlobals_)
			if (goog.global.eval("var _evalTest_ = 1;"), "undefined" != typeof goog.global._evalTest_) {
				try {
					delete goog.global._evalTest_
				} catch (d) { }
				goog.evalWorksForGlobals_ = !0
			} else goog.evalWorksForGlobals_ = !1;
		if (goog.evalWorksForGlobals_) goog.global.eval(a);
		else {
			var b = goog.global.document,
				c = b.createElement("SCRIPT");
			c.type = "text/javascript";
			c.defer = !1;
			c.appendChild(b.createTextNode(a));
			b.body.appendChild(c);
			b.body.removeChild(c)
		}
	} else throw Error("goog.globalEval not available");
};
goog.evalWorksForGlobals_ = null;
goog.getCssName = function (a, b) {
	if ("." == String(a).charAt(0)) throw Error('className passed in goog.getCssName must not start with ".". You passed: ' + a);
	var c = function (a) {
		return goog.cssNameMapping_[a] || a
	},
		d = function (a) {
        	a = a.split("-");
        	for (var b = [], d = 0; d < a.length; d++) b.push(c(a[d]));
        	return b.join("-")
		},
		d = goog.cssNameMapping_ ? "BY_WHOLE" == goog.cssNameMappingStyle_ ? c : d : function (a) {
        	return a
		},
		d = b ? a + "-" + d(b) : d(a);
	return goog.global.CLOSURE_CSS_NAME_MAP_FN ? goog.global.CLOSURE_CSS_NAME_MAP_FN(d) : d
};
goog.setCssNameMapping = function (a, b) {
	goog.cssNameMapping_ = a;
	goog.cssNameMappingStyle_ = b
};
!COMPILED && goog.global.CLOSURE_CSS_NAME_MAPPING && (goog.cssNameMapping_ = goog.global.CLOSURE_CSS_NAME_MAPPING);
goog.getMsg = function (a, b) {
	b && (a = a.replace(/\{\$([^}]+)}/g, function (a, d) {
		return null != b && d in b ? b[d] : a
	}));
	return a
};
goog.getMsgWithFallback = function (a, b) {
	return a
};
goog.exportSymbol = function (a, b, c) {
	goog.exportPath_(a, b, c)
};
goog.exportProperty = function (a, b, c) {
	a[b] = c
};
goog.inherits = function (a, b) {
	function c() { }
	c.prototype = b.prototype;
	a.superClass_ = b.prototype;
	a.prototype = new c;
	a.prototype.constructor = a;
	a.base = function (a, c, f) {
		for (var d = Array(arguments.length - 2), e = 2; e < arguments.length; e++) d[e - 2] = arguments[e];
		return b.prototype[c].apply(a, d)
	}
};
goog.base = function (a, b, c) {
	var d = arguments.callee.caller;
	if (goog.STRICT_MODE_COMPATIBLE || goog.DEBUG && !d) throw Error("arguments.caller not defined.  goog.base() cannot be used with strict mode code. See http://www.ecma-international.org/ecma-262/5.1/#sec-C");
	if (d.superClass_) {
		for (var e = Array(arguments.length - 1), f = 1; f < arguments.length; f++) e[f - 1] = arguments[f];
		return d.superClass_.constructor.apply(a, e)
	}
	e = Array(arguments.length - 2);
	for (f = 2; f < arguments.length; f++) e[f - 2] = arguments[f];
	for (var f = !1, g = a.constructor; g; g =
		g.superClass_ && g.superClass_.constructor)
		if (g.prototype[b] === d) f = !0;
		else if (f) return g.prototype[b].apply(a, e);
	if (a[b] === d) return a.constructor.prototype[b].apply(a, e);
	throw Error("goog.base called from a method of one name to a method of a different name");
};
goog.scope = function (a) {
	if (goog.isInModuleLoader_()) throw Error("goog.scope is not supported within a goog.module.");
	a.call(goog.global)
};
COMPILED || (goog.global.COMPILED = COMPILED);
goog.defineClass = function (a, b) {
	var c = b.constructor,
		d = b.statics;
	c && c != Object.prototype.constructor || (c = function () {
		throw Error("cannot instantiate an interface (no constructor defined).");
	});
	c = goog.defineClass.createSealingConstructor_(c, a);
	a && goog.inherits(c, a);
	delete b.constructor;
	delete b.statics;
	goog.defineClass.applyProperties_(c.prototype, b);
	null != d && (d instanceof Function ? d(c) : goog.defineClass.applyProperties_(c, d));
	return c
};
goog.defineClass.SEAL_CLASS_INSTANCES = goog.DEBUG;
goog.defineClass.createSealingConstructor_ = function (a, b) {
	if (!goog.defineClass.SEAL_CLASS_INSTANCES) return a;
	var c = !goog.defineClass.isUnsealable_(b),
		d = function () {
        	var b = a.apply(this, arguments) || this;
        	b[goog.UID_PROPERTY_] = b[goog.UID_PROPERTY_];
        	this.constructor === d && c && Object.seal instanceof Function && Object.seal(b);
        	return b
		};
	return d
};
goog.defineClass.isUnsealable_ = function (a) {
	return a && a.prototype && a.prototype[goog.UNSEALABLE_CONSTRUCTOR_PROPERTY_]
};
goog.defineClass.OBJECT_PROTOTYPE_FIELDS_ = "constructor hasOwnProperty isPrototypeOf propertyIsEnumerable toLocaleString toString valueOf".split(" ");
goog.defineClass.applyProperties_ = function (a, b) {
	for (var c in b) Object.prototype.hasOwnProperty.call(b, c) && (a[c] = b[c]);
	for (var d = 0; d < goog.defineClass.OBJECT_PROTOTYPE_FIELDS_.length; d++) c = goog.defineClass.OBJECT_PROTOTYPE_FIELDS_[d], Object.prototype.hasOwnProperty.call(b, c) && (a[c] = b[c])
};
goog.tagUnsealableClass = function (a) {
	!COMPILED && goog.defineClass.SEAL_CLASS_INSTANCES && (a.prototype[goog.UNSEALABLE_CONSTRUCTOR_PROPERTY_] = !0)
};
goog.UNSEALABLE_CONSTRUCTOR_PROPERTY_ = "goog_defineClass_legacy_unsealable";
goog.createRequiresTranspilation_ = function () {
	function a(a, b) {
		d ? c[a] = !0 : b() ? c[a] = !1 : d = c[a] = !0
	}

	function b(a) {
		try {
			return !!eval(a)
		} catch (f) {
			return !1
		}
	}
	var c = {
		es3: !1
	},
		d = !1;
	a("es5", function () {
		return b("[1,].length==1")
	});
	a("es6", function () {
		return b('(()=>{"use strict";class X{constructor(){if(new.target!=String)throw 1;this.x=42}}let q=Reflect.construct(X,[],String);if(q.x!=42||!(q instanceof String))throw 1;for(const a of[2,3]){if(a==2)continue;function f(z={a}){let a=0;return z.a}{function f(){return 0;}}return f()==3}})()')
	});
	a("es6-impl", function () {
		return !0
	});
	a("es7", function () {
		return b("2 ** 2 == 4")
	});
	a("es8", function () {
		return b("async () => 1, true")
	});
	return c
};
goog.debug = {};
goog.debug.Error = function (a) {
	if (Error.captureStackTrace) Error.captureStackTrace(this, goog.debug.Error);
	else {
		var b = Error().stack;
		b && (this.stack = b)
	}
	a && (this.message = String(a));
	this.reportErrorToServer = !0
};
goog.inherits(goog.debug.Error, Error);
goog.debug.Error.prototype.name = "CustomError";
goog.dom = {};
goog.dom.NodeType = {
	ELEMENT: 1,
	ATTRIBUTE: 2,
	TEXT: 3,
	CDATA_SECTION: 4,
	ENTITY_REFERENCE: 5,
	ENTITY: 6,
	PROCESSING_INSTRUCTION: 7,
	COMMENT: 8,
	DOCUMENT: 9,
	DOCUMENT_TYPE: 10,
	DOCUMENT_FRAGMENT: 11,
	NOTATION: 12
};
goog.string = {};
goog.string.DETECT_DOUBLE_ESCAPING = !1;
goog.string.FORCE_NON_DOM_HTML_UNESCAPING = !1;
goog.string.Unicode = {
	NBSP: "\u00a0"
};
goog.string.startsWith = function (a, b) {
	return 0 == a.lastIndexOf(b, 0)
};
goog.string.endsWith = function (a, b) {
	var c = a.length - b.length;
	return 0 <= c && a.indexOf(b, c) == c
};
goog.string.caseInsensitiveStartsWith = function (a, b) {
	return 0 == goog.string.caseInsensitiveCompare(b, a.substr(0, b.length))
};
goog.string.caseInsensitiveEndsWith = function (a, b) {
	return 0 == goog.string.caseInsensitiveCompare(b, a.substr(a.length - b.length, b.length))
};
goog.string.caseInsensitiveEquals = function (a, b) {
	return a.toLowerCase() == b.toLowerCase()
};
goog.string.subs = function (a, b) {
	for (var c = a.split("%s"), d = "", e = Array.prototype.slice.call(arguments, 1) ; e.length && 1 < c.length;) d += c.shift() + e.shift();
	return d + c.join("%s")
};
goog.string.collapseWhitespace = function (a) {
	return a.replace(/[\s\xa0]+/g, " ").replace(/^\s+|\s+$/g, "")
};
goog.string.isEmptyOrWhitespace = function (a) {
	return /^[\s\xa0]*$/.test(a)
};
goog.string.isEmptyString = function (a) {
	return 0 == a.length
};
goog.string.isEmpty = goog.string.isEmptyOrWhitespace;
goog.string.isEmptyOrWhitespaceSafe = function (a) {
	return goog.string.isEmptyOrWhitespace(goog.string.makeSafe(a))
};
goog.string.isEmptySafe = goog.string.isEmptyOrWhitespaceSafe;
goog.string.isBreakingWhitespace = function (a) {
	return !/[^\t\n\r ]/.test(a)
};
goog.string.isAlpha = function (a) {
	return !/[^a-zA-Z]/.test(a)
};
goog.string.isNumeric = function (a) {
	return !/[^0-9]/.test(a)
};
goog.string.isAlphaNumeric = function (a) {
	return !/[^a-zA-Z0-9]/.test(a)
};
goog.string.isSpace = function (a) {
	return " " == a
};
goog.string.isUnicodeChar = function (a) {
	return 1 == a.length && " " <= a && "~" >= a || "\u0080" <= a && "\ufffd" >= a
};
goog.string.stripNewlines = function (a) {
	return a.replace(/(\r\n|\r|\n)+/g, " ")
};
goog.string.canonicalizeNewlines = function (a) {
	return a.replace(/(\r\n|\r|\n)/g, "\n")
};
goog.string.normalizeWhitespace = function (a) {
	return a.replace(/\xa0|\s/g, " ")
};
goog.string.normalizeSpaces = function (a) {
	return a.replace(/\xa0|[ \t]+/g, " ")
};
goog.string.collapseBreakingSpaces = function (a) {
	return a.replace(/[\t\r\n ]+/g, " ").replace(/^[\t\r\n ]+|[\t\r\n ]+$/g, "")
};
goog.string.trim = goog.TRUSTED_SITE && String.prototype.trim ? function (a) {
	return a.trim()
} : function (a) {
	return a.replace(/^[\s\xa0]+|[\s\xa0]+$/g, "")
};
goog.string.trimLeft = function (a) {
	return a.replace(/^[\s\xa0]+/, "")
};
goog.string.trimRight = function (a) {
	return a.replace(/[\s\xa0]+$/, "")
};
goog.string.caseInsensitiveCompare = function (a, b) {
	var c = String(a).toLowerCase(),
		d = String(b).toLowerCase();
	return c < d ? -1 : c == d ? 0 : 1
};
goog.string.numberAwareCompare_ = function (a, b, c) {
	if (a == b) return 0;
	if (!a) return -1;
	if (!b) return 1;
	for (var d = a.toLowerCase().match(c), e = b.toLowerCase().match(c), f = Math.min(d.length, e.length), g = 0; g < f; g++) {
		c = d[g];
		var h = e[g];
		if (c != h) return a = parseInt(c, 10), !isNaN(a) && (b = parseInt(h, 10), !isNaN(b) && a - b) ? a - b : c < h ? -1 : 1
	}
	return d.length != e.length ? d.length - e.length : a < b ? -1 : 1
};
goog.string.intAwareCompare = function (a, b) {
	return goog.string.numberAwareCompare_(a, b, /\d+|\D+/g)
};
goog.string.floatAwareCompare = function (a, b) {
	return goog.string.numberAwareCompare_(a, b, /\d+|\.\d+|\D+/g)
};
goog.string.numerateCompare = goog.string.floatAwareCompare;
goog.string.urlEncode = function (a) {
	return encodeURIComponent(String(a))
};
goog.string.urlDecode = function (a) {
	return decodeURIComponent(a.replace(/\+/g, " "))
};
goog.string.newLineToBr = function (a, b) {
	return a.replace(/(\r\n|\r|\n)/g, b ? "<br />" : "<br>")
};
goog.string.htmlEscape = function (a, b) {
	if (b) a = a.replace(goog.string.AMP_RE_, "&amp;").replace(goog.string.LT_RE_, "&lt;").replace(goog.string.GT_RE_, "&gt;").replace(goog.string.QUOT_RE_, "&quot;").replace(goog.string.SINGLE_QUOTE_RE_, "&#39;").replace(goog.string.NULL_RE_, "&#0;"), goog.string.DETECT_DOUBLE_ESCAPING && (a = a.replace(goog.string.E_RE_, "&#101;"));
	else {
		if (!goog.string.ALL_RE_.test(a)) return a; -1 != a.indexOf("&") && (a = a.replace(goog.string.AMP_RE_, "&amp;")); -1 != a.indexOf("<") && (a = a.replace(goog.string.LT_RE_,
			"&lt;")); -1 != a.indexOf(">") && (a = a.replace(goog.string.GT_RE_, "&gt;")); -1 != a.indexOf('"') && (a = a.replace(goog.string.QUOT_RE_, "&quot;")); -1 != a.indexOf("'") && (a = a.replace(goog.string.SINGLE_QUOTE_RE_, "&#39;")); -1 != a.indexOf("\x00") && (a = a.replace(goog.string.NULL_RE_, "&#0;"));
		goog.string.DETECT_DOUBLE_ESCAPING && -1 != a.indexOf("e") && (a = a.replace(goog.string.E_RE_, "&#101;"))
	}
	return a
};
goog.string.AMP_RE_ = /&/g;
goog.string.LT_RE_ = /</g;
goog.string.GT_RE_ = />/g;
goog.string.QUOT_RE_ = /"/g;
goog.string.SINGLE_QUOTE_RE_ = /'/g;
goog.string.NULL_RE_ = /\x00/g;
goog.string.E_RE_ = /e/g;
goog.string.ALL_RE_ = goog.string.DETECT_DOUBLE_ESCAPING ? /[\x00&<>"'e]/ : /[\x00&<>"']/;
goog.string.unescapeEntities = function (a) {
	return goog.string.contains(a, "&") ? !goog.string.FORCE_NON_DOM_HTML_UNESCAPING && "document" in goog.global ? goog.string.unescapeEntitiesUsingDom_(a) : goog.string.unescapePureXmlEntities_(a) : a
};
goog.string.unescapeEntitiesWithDocument = function (a, b) {
	return goog.string.contains(a, "&") ? goog.string.unescapeEntitiesUsingDom_(a, b) : a
};
goog.string.unescapeEntitiesUsingDom_ = function (a, b) {
	var c = {
		"&amp;": "&",
		"&lt;": "<",
		"&gt;": ">",
		"&quot;": '"'
	},
		d;
	d = b ? b.createElement("div") : goog.global.document.createElement("div");
	return a.replace(goog.string.HTML_ENTITY_PATTERN_, function (a, b) {
		var e = c[a];
		if (e) return e;
		if ("#" == b.charAt(0)) {
			var f = Number("0" + b.substr(1));
			isNaN(f) || (e = String.fromCharCode(f))
		}
		e || (d.innerHTML = a + " ", e = d.firstChild.nodeValue.slice(0, -1));
		return c[a] = e
	})
};
goog.string.unescapePureXmlEntities_ = function (a) {
	return a.replace(/&([^;]+);/g, function (a, c) {
		switch (c) {
			case "amp":
				return "&";
			case "lt":
				return "<";
			case "gt":
				return ">";
			case "quot":
				return '"';
			default:
				if ("#" == c.charAt(0)) {
					var b = Number("0" + c.substr(1));
					if (!isNaN(b)) return String.fromCharCode(b)
				}
				return a
		}
	})
};
goog.string.HTML_ENTITY_PATTERN_ = /&([^;\s<&]+);?/g;
goog.string.whitespaceEscape = function (a, b) {
	return goog.string.newLineToBr(a.replace(/  /g, " &#160;"), b)
};
goog.string.preserveSpaces = function (a) {
	return a.replace(/(^|[\n ]) /g, "$1" + goog.string.Unicode.NBSP)
};
goog.string.stripQuotes = function (a, b) {
	for (var c = b.length, d = 0; d < c; d++) {
		var e = 1 == c ? b : b.charAt(d);
		if (a.charAt(0) == e && a.charAt(a.length - 1) == e) return a.substring(1, a.length - 1)
	}
	return a
};
goog.string.truncate = function (a, b, c) {
	c && (a = goog.string.unescapeEntities(a));
	a.length > b && (a = a.substring(0, b - 3) + "...");
	c && (a = goog.string.htmlEscape(a));
	return a
};
goog.string.truncateMiddle = function (a, b, c, d) {
	c && (a = goog.string.unescapeEntities(a));
	if (d && a.length > b) {
		d > b && (d = b);
		var e = a.length - d;
		a = a.substring(0, b - d) + "..." + a.substring(e)
	} else a.length > b && (d = Math.floor(b / 2), e = a.length - d, a = a.substring(0, d + b % 2) + "..." + a.substring(e));
	c && (a = goog.string.htmlEscape(a));
	return a
};
goog.string.specialEscapeChars_ = {
	"\x00": "\\0",
	"\b": "\\b",
	"\f": "\\f",
	"\n": "\\n",
	"\r": "\\r",
	"\t": "\\t",
	"\x0B": "\\x0B",
	'"': '\\"',
	"\\": "\\\\",
	"<": "<"
};
goog.string.jsEscapeCache_ = {
	"'": "\\'"
};
goog.string.quote = function (a) {
	a = String(a);
	for (var b = ['"'], c = 0; c < a.length; c++) {
		var d = a.charAt(c),
			e = d.charCodeAt(0);
		b[c + 1] = goog.string.specialEscapeChars_[d] || (31 < e && 127 > e ? d : goog.string.escapeChar(d))
	}
	b.push('"');
	return b.join("")
};
goog.string.escapeString = function (a) {
	for (var b = [], c = 0; c < a.length; c++) b[c] = goog.string.escapeChar(a.charAt(c));
	return b.join("")
};
goog.string.escapeChar = function (a) {
	if (a in goog.string.jsEscapeCache_) return goog.string.jsEscapeCache_[a];
	if (a in goog.string.specialEscapeChars_) return goog.string.jsEscapeCache_[a] = goog.string.specialEscapeChars_[a];
	var b, c = a.charCodeAt(0);
	if (31 < c && 127 > c) b = a;
	else {
		if (256 > c) {
			if (b = "\\x", 16 > c || 256 < c) b += "0"
		} else b = "\\u", 4096 > c && (b += "0");
		b += c.toString(16).toUpperCase()
	}
	return goog.string.jsEscapeCache_[a] = b
};
goog.string.contains = function (a, b) {
	return -1 != a.indexOf(b)
};
goog.string.caseInsensitiveContains = function (a, b) {
	return goog.string.contains(a.toLowerCase(), b.toLowerCase())
};
goog.string.countOf = function (a, b) {
	return a && b ? a.split(b).length - 1 : 0
};
goog.string.removeAt = function (a, b, c) {
	var d = a;
	0 <= b && b < a.length && 0 < c && (d = a.substr(0, b) + a.substr(b + c, a.length - b - c));
	return d
};
goog.string.remove = function (a, b) {
	return a.replace(b, "")
};
goog.string.removeAll = function (a, b) {
	var c = new RegExp(goog.string.regExpEscape(b), "g");
	return a.replace(c, "")
};
goog.string.replaceAll = function (a, b, c) {
	b = new RegExp(goog.string.regExpEscape(b), "g");
	return a.replace(b, c.replace(/\$/g, "$$$$"))
};
goog.string.regExpEscape = function (a) {
	return String(a).replace(/([-()\[\]{}+?*.$\^|,:#<!\\])/g, "\\$1").replace(/\x08/g, "\\x08")
};
goog.string.repeat = String.prototype.repeat ? function (a, b) {
	return a.repeat(b)
} : function (a, b) {
	return Array(b + 1).join(a)
};
goog.string.padNumber = function (a, b, c) {
	a = goog.isDef(c) ? a.toFixed(c) : String(a);
	c = a.indexOf("."); -1 == c && (c = a.length);
	return goog.string.repeat("0", Math.max(0, b - c)) + a
};
goog.string.makeSafe = function (a) {
	return null == a ? "" : String(a)
};
goog.string.buildString = function (a) {
	return Array.prototype.join.call(arguments, "")
};
goog.string.getRandomString = function () {
	return Math.floor(2147483648 * Math.random()).toString(36) + Math.abs(Math.floor(2147483648 * Math.random()) ^ goog.now()).toString(36)
};
goog.string.compareVersions = function (a, b) {
	for (var c = 0, d = goog.string.trim(String(a)).split("."), e = goog.string.trim(String(b)).split("."), f = Math.max(d.length, e.length), g = 0; 0 == c && g < f; g++) {
		var h = d[g] || "",
			k = e[g] || "";
		do {
			h = /(\d*)(\D*)(.*)/.exec(h) || ["", "", "", ""];
			k = /(\d*)(\D*)(.*)/.exec(k) || ["", "", "", ""];
			if (0 == h[0].length && 0 == k[0].length) break;
			var c = 0 == h[1].length ? 0 : parseInt(h[1], 10),
				m = 0 == k[1].length ? 0 : parseInt(k[1], 10),
				c = goog.string.compareElements_(c, m) || goog.string.compareElements_(0 == h[2].length, 0 == k[2].length) ||
				goog.string.compareElements_(h[2], k[2]),
				h = h[3],
				k = k[3]
		} while (0 == c)
	}
	return c
};
goog.string.compareElements_ = function (a, b) {
	return a < b ? -1 : a > b ? 1 : 0
};
goog.string.hashCode = function (a) {
	for (var b = 0, c = 0; c < a.length; ++c) b = 31 * b + a.charCodeAt(c) >>> 0;
	return b
};
goog.string.uniqueStringCounter_ = 2147483648 * Math.random() | 0;
goog.string.createUniqueString = function () {
	return "goog_" + goog.string.uniqueStringCounter_++
};
goog.string.toNumber = function (a) {
	var b = Number(a);
	return 0 == b && goog.string.isEmptyOrWhitespace(a) ? NaN : b
};
goog.string.isLowerCamelCase = function (a) {
	return /^[a-z]+([A-Z][a-z]*)*$/.test(a)
};
goog.string.isUpperCamelCase = function (a) {
	return /^([A-Z][a-z]*)+$/.test(a)
};
goog.string.toCamelCase = function (a) {
	return String(a).replace(/\-([a-z])/g, function (a, c) {
		return c.toUpperCase()
	})
};
goog.string.toSelectorCase = function (a) {
	return String(a).replace(/([A-Z])/g, "-$1").toLowerCase()
};
goog.string.toTitleCase = function (a, b) {
	var c = goog.isString(b) ? goog.string.regExpEscape(b) : "\\s";
	return a.replace(new RegExp("(^" + (c ? "|[" + c + "]+" : "") + ")([a-z])", "g"), function (a, b, c) {
		return b + c.toUpperCase()
	})
};
goog.string.capitalize = function (a) {
	return String(a.charAt(0)).toUpperCase() + String(a.substr(1)).toLowerCase()
};
goog.string.parseInt = function (a) {
	isFinite(a) && (a = String(a));
	return goog.isString(a) ? /^\s*-?0x/i.test(a) ? parseInt(a, 16) : parseInt(a, 10) : NaN
};
goog.string.splitLimit = function (a, b, c) {
	a = a.split(b);
	for (var d = []; 0 < c && a.length;) d.push(a.shift()), c--;
	a.length && d.push(a.join(b));
	return d
};
goog.string.lastComponent = function (a, b) {
	if (b) "string" == typeof b && (b = [b]);
	else return a;
	for (var c = -1, d = 0; d < b.length; d++)
		if ("" != b[d]) {
			var e = a.lastIndexOf(b[d]);
			e > c && (c = e)
		}
	return -1 == c ? a : a.slice(c + 1)
};
goog.string.editDistance = function (a, b) {
	var c = [],
		d = [];
	if (a == b) return 0;
	if (!a.length || !b.length) return Math.max(a.length, b.length);
	for (var e = 0; e < b.length + 1; e++) c[e] = e;
	for (e = 0; e < a.length; e++) {
		d[0] = e + 1;
		for (var f = 0; f < b.length; f++) d[f + 1] = Math.min(d[f] + 1, c[f + 1] + 1, c[f] + Number(a[e] != b[f]));
		for (f = 0; f < c.length; f++) c[f] = d[f]
	}
	return d[b.length]
};
goog.asserts = {};
goog.asserts.ENABLE_ASSERTS = goog.DEBUG;
goog.asserts.AssertionError = function (a, b) {
	b.unshift(a);
	goog.debug.Error.call(this, goog.string.subs.apply(null, b));
	b.shift();
	this.messagePattern = a
};
goog.inherits(goog.asserts.AssertionError, goog.debug.Error);
goog.asserts.AssertionError.prototype.name = "AssertionError";
goog.asserts.DEFAULT_ERROR_HANDLER = function (a) {
	throw a;
};
goog.asserts.errorHandler_ = goog.asserts.DEFAULT_ERROR_HANDLER;
goog.asserts.doAssertFailure_ = function (a, b, c, d) {
	var e = "Assertion failed";
	if (c) var e = e + (": " + c),
		f = d;
	else a && (e += ": " + a, f = b);
	a = new goog.asserts.AssertionError("" + e, f || []);
	goog.asserts.errorHandler_(a)
};
goog.asserts.setErrorHandler = function (a) {
	goog.asserts.ENABLE_ASSERTS && (goog.asserts.errorHandler_ = a)
};
goog.asserts.assert = function (a, b, c) {
	goog.asserts.ENABLE_ASSERTS && !a && goog.asserts.doAssertFailure_("", null, b, Array.prototype.slice.call(arguments, 2));
	return a
};
goog.asserts.fail = function (a, b) {
	goog.asserts.ENABLE_ASSERTS && goog.asserts.errorHandler_(new goog.asserts.AssertionError("Failure" + (a ? ": " + a : ""), Array.prototype.slice.call(arguments, 1)))
};
goog.asserts.assertNumber = function (a, b, c) {
	goog.asserts.ENABLE_ASSERTS && !goog.isNumber(a) && goog.asserts.doAssertFailure_("Expected number but got %s: %s.", [goog.typeOf(a), a], b, Array.prototype.slice.call(arguments, 2));
	return a
};
goog.asserts.assertString = function (a, b, c) {
	goog.asserts.ENABLE_ASSERTS && !goog.isString(a) && goog.asserts.doAssertFailure_("Expected string but got %s: %s.", [goog.typeOf(a), a], b, Array.prototype.slice.call(arguments, 2));
	return a
};
goog.asserts.assertFunction = function (a, b, c) {
	goog.asserts.ENABLE_ASSERTS && !goog.isFunction(a) && goog.asserts.doAssertFailure_("Expected function but got %s: %s.", [goog.typeOf(a), a], b, Array.prototype.slice.call(arguments, 2));
	return a
};
goog.asserts.assertObject = function (a, b, c) {
	goog.asserts.ENABLE_ASSERTS && !goog.isObject(a) && goog.asserts.doAssertFailure_("Expected object but got %s: %s.", [goog.typeOf(a), a], b, Array.prototype.slice.call(arguments, 2));
	return a
};
goog.asserts.assertArray = function (a, b, c) {
	goog.asserts.ENABLE_ASSERTS && !goog.isArray(a) && goog.asserts.doAssertFailure_("Expected array but got %s: %s.", [goog.typeOf(a), a], b, Array.prototype.slice.call(arguments, 2));
	return a
};
goog.asserts.assertBoolean = function (a, b, c) {
	goog.asserts.ENABLE_ASSERTS && !goog.isBoolean(a) && goog.asserts.doAssertFailure_("Expected boolean but got %s: %s.", [goog.typeOf(a), a], b, Array.prototype.slice.call(arguments, 2));
	return a
};
goog.asserts.assertElement = function (a, b, c) {
	!goog.asserts.ENABLE_ASSERTS || goog.isObject(a) && a.nodeType == goog.dom.NodeType.ELEMENT || goog.asserts.doAssertFailure_("Expected Element but got %s: %s.", [goog.typeOf(a), a], b, Array.prototype.slice.call(arguments, 2));
	return a
};
goog.asserts.assertInstanceof = function (a, b, c, d) {
	!goog.asserts.ENABLE_ASSERTS || a instanceof b || goog.asserts.doAssertFailure_("Expected instanceof %s but got %s.", [goog.asserts.getType_(b), goog.asserts.getType_(a)], c, Array.prototype.slice.call(arguments, 3));
	return a
};
goog.asserts.assertObjectPrototypeIsIntact = function () {
	for (var a in Object.prototype) goog.asserts.fail(a + " should not be enumerable in Object.prototype.")
};
goog.asserts.getType_ = function (a) {
	return a instanceof Function ? a.displayName || a.name || "unknown type name" : a instanceof Object ? a.constructor.displayName || a.constructor.name || Object.prototype.toString.call(a) : null === a ? "null" : typeof a
};
goog.debug.entryPointRegistry = {};
goog.debug.EntryPointMonitor = function () { };
goog.debug.entryPointRegistry.refList_ = [];
goog.debug.entryPointRegistry.monitors_ = [];
goog.debug.entryPointRegistry.monitorsMayExist_ = !1;
goog.debug.entryPointRegistry.register = function (a) {
	goog.debug.entryPointRegistry.refList_[goog.debug.entryPointRegistry.refList_.length] = a;
	if (goog.debug.entryPointRegistry.monitorsMayExist_)
		for (var b = goog.debug.entryPointRegistry.monitors_, c = 0; c < b.length; c++) a(goog.bind(b[c].wrap, b[c]))
};
goog.debug.entryPointRegistry.monitorAll = function (a) {
	goog.debug.entryPointRegistry.monitorsMayExist_ = !0;
	for (var b = goog.bind(a.wrap, a), c = 0; c < goog.debug.entryPointRegistry.refList_.length; c++) goog.debug.entryPointRegistry.refList_[c](b);
	goog.debug.entryPointRegistry.monitors_.push(a)
};
goog.debug.entryPointRegistry.unmonitorAllIfPossible = function (a) {
	var b = goog.debug.entryPointRegistry.monitors_;
	goog.asserts.assert(a == b[b.length - 1], "Only the most recent monitor can be unwrapped.");
	a = goog.bind(a.unwrap, a);
	for (var c = 0; c < goog.debug.entryPointRegistry.refList_.length; c++) goog.debug.entryPointRegistry.refList_[c](a);
	b.length--
};
goog.array = {};
goog.NATIVE_ARRAY_PROTOTYPES = goog.TRUSTED_SITE;
goog.array.ASSUME_NATIVE_FUNCTIONS = !1;
goog.array.peek = function (a) {
	return a[a.length - 1]
};
goog.array.last = goog.array.peek;
goog.array.indexOf = goog.NATIVE_ARRAY_PROTOTYPES && (goog.array.ASSUME_NATIVE_FUNCTIONS || Array.prototype.indexOf) ? function (a, b, c) {
	goog.asserts.assert(null != a.length);
	return Array.prototype.indexOf.call(a, b, c)
} : function (a, b, c) {
	c = null == c ? 0 : 0 > c ? Math.max(0, a.length + c) : c;
	if (goog.isString(a)) return goog.isString(b) && 1 == b.length ? a.indexOf(b, c) : -1;
	for (; c < a.length; c++)
		if (c in a && a[c] === b) return c;
	return -1
};
goog.array.lastIndexOf = goog.NATIVE_ARRAY_PROTOTYPES && (goog.array.ASSUME_NATIVE_FUNCTIONS || Array.prototype.lastIndexOf) ? function (a, b, c) {
	goog.asserts.assert(null != a.length);
	return Array.prototype.lastIndexOf.call(a, b, null == c ? a.length - 1 : c)
} : function (a, b, c) {
	c = null == c ? a.length - 1 : c;
	0 > c && (c = Math.max(0, a.length + c));
	if (goog.isString(a)) return goog.isString(b) && 1 == b.length ? a.lastIndexOf(b, c) : -1;
	for (; 0 <= c; c--)
		if (c in a && a[c] === b) return c;
	return -1
};
goog.array.forEach = goog.NATIVE_ARRAY_PROTOTYPES && (goog.array.ASSUME_NATIVE_FUNCTIONS || Array.prototype.forEach) ? function (a, b, c) {
	goog.asserts.assert(null != a.length);
	Array.prototype.forEach.call(a, b, c)
} : function (a, b, c) {
	for (var d = a.length, e = goog.isString(a) ? a.split("") : a, f = 0; f < d; f++) f in e && b.call(c, e[f], f, a)
};
goog.array.forEachRight = function (a, b, c) {
	for (var d = a.length, e = goog.isString(a) ? a.split("") : a, d = d - 1; 0 <= d; --d) d in e && b.call(c, e[d], d, a)
};
goog.array.filter = goog.NATIVE_ARRAY_PROTOTYPES && (goog.array.ASSUME_NATIVE_FUNCTIONS || Array.prototype.filter) ? function (a, b, c) {
	goog.asserts.assert(null != a.length);
	return Array.prototype.filter.call(a, b, c)
} : function (a, b, c) {
	for (var d = a.length, e = [], f = 0, g = goog.isString(a) ? a.split("") : a, h = 0; h < d; h++)
		if (h in g) {
			var k = g[h];
			b.call(c, k, h, a) && (e[f++] = k)
		}
	return e
};
goog.array.map = goog.NATIVE_ARRAY_PROTOTYPES && (goog.array.ASSUME_NATIVE_FUNCTIONS || Array.prototype.map) ? function (a, b, c) {
	goog.asserts.assert(null != a.length);
	return Array.prototype.map.call(a, b, c)
} : function (a, b, c) {
	for (var d = a.length, e = Array(d), f = goog.isString(a) ? a.split("") : a, g = 0; g < d; g++) g in f && (e[g] = b.call(c, f[g], g, a));
	return e
};
goog.array.reduce = goog.NATIVE_ARRAY_PROTOTYPES && (goog.array.ASSUME_NATIVE_FUNCTIONS || Array.prototype.reduce) ? function (a, b, c, d) {
	goog.asserts.assert(null != a.length);
	d && (b = goog.bind(b, d));
	return Array.prototype.reduce.call(a, b, c)
} : function (a, b, c, d) {
	var e = c;
	goog.array.forEach(a, function (c, g) {
		e = b.call(d, e, c, g, a)
	});
	return e
};
goog.array.reduceRight = goog.NATIVE_ARRAY_PROTOTYPES && (goog.array.ASSUME_NATIVE_FUNCTIONS || Array.prototype.reduceRight) ? function (a, b, c, d) {
	goog.asserts.assert(null != a.length);
	goog.asserts.assert(null != b);
	d && (b = goog.bind(b, d));
	return Array.prototype.reduceRight.call(a, b, c)
} : function (a, b, c, d) {
	var e = c;
	goog.array.forEachRight(a, function (c, g) {
		e = b.call(d, e, c, g, a)
	});
	return e
};
goog.array.some = goog.NATIVE_ARRAY_PROTOTYPES && (goog.array.ASSUME_NATIVE_FUNCTIONS || Array.prototype.some) ? function (a, b, c) {
	goog.asserts.assert(null != a.length);
	return Array.prototype.some.call(a, b, c)
} : function (a, b, c) {
	for (var d = a.length, e = goog.isString(a) ? a.split("") : a, f = 0; f < d; f++)
		if (f in e && b.call(c, e[f], f, a)) return !0;
	return !1
};
goog.array.every = goog.NATIVE_ARRAY_PROTOTYPES && (goog.array.ASSUME_NATIVE_FUNCTIONS || Array.prototype.every) ? function (a, b, c) {
	goog.asserts.assert(null != a.length);
	return Array.prototype.every.call(a, b, c)
} : function (a, b, c) {
	for (var d = a.length, e = goog.isString(a) ? a.split("") : a, f = 0; f < d; f++)
		if (f in e && !b.call(c, e[f], f, a)) return !1;
	return !0
};
goog.array.count = function (a, b, c) {
	var d = 0;
	goog.array.forEach(a, function (a, f, g) {
		b.call(c, a, f, g) && ++d
	}, c);
	return d
};
goog.array.find = function (a, b, c) {
	b = goog.array.findIndex(a, b, c);
	return 0 > b ? null : goog.isString(a) ? a.charAt(b) : a[b]
};
goog.array.findIndex = function (a, b, c) {
	for (var d = a.length, e = goog.isString(a) ? a.split("") : a, f = 0; f < d; f++)
		if (f in e && b.call(c, e[f], f, a)) return f;
	return -1
};
goog.array.findRight = function (a, b, c) {
	b = goog.array.findIndexRight(a, b, c);
	return 0 > b ? null : goog.isString(a) ? a.charAt(b) : a[b]
};
goog.array.findIndexRight = function (a, b, c) {
	for (var d = a.length, e = goog.isString(a) ? a.split("") : a, d = d - 1; 0 <= d; d--)
		if (d in e && b.call(c, e[d], d, a)) return d;
	return -1
};
goog.array.contains = function (a, b) {
	return 0 <= goog.array.indexOf(a, b)
};
goog.array.isEmpty = function (a) {
	return 0 == a.length
};
goog.array.clear = function (a) {
	if (!goog.isArray(a))
		for (var b = a.length - 1; 0 <= b; b--) delete a[b];
	a.length = 0
};
goog.array.insert = function (a, b) {
	goog.array.contains(a, b) || a.push(b)
};
goog.array.insertAt = function (a, b, c) {
	goog.array.splice(a, c, 0, b)
};
goog.array.insertArrayAt = function (a, b, c) {
	goog.partial(goog.array.splice, a, c, 0).apply(null, b)
};
goog.array.insertBefore = function (a, b, c) {
	var d;
	2 == arguments.length || 0 > (d = goog.array.indexOf(a, c)) ? a.push(b) : goog.array.insertAt(a, b, d)
};
goog.array.remove = function (a, b) {
	var c = goog.array.indexOf(a, b),
		d;
	(d = 0 <= c) && goog.array.removeAt(a, c);
	return d
};
goog.array.removeLast = function (a, b) {
	var c = goog.array.lastIndexOf(a, b);
	return 0 <= c ? (goog.array.removeAt(a, c), !0) : !1
};
goog.array.removeAt = function (a, b) {
	goog.asserts.assert(null != a.length);
	return 1 == Array.prototype.splice.call(a, b, 1).length
};
goog.array.removeIf = function (a, b, c) {
	b = goog.array.findIndex(a, b, c);
	return 0 <= b ? (goog.array.removeAt(a, b), !0) : !1
};
goog.array.removeAllIf = function (a, b, c) {
	var d = 0;
	goog.array.forEachRight(a, function (e, f) {
		b.call(c, e, f, a) && goog.array.removeAt(a, f) && d++
	});
	return d
};
goog.array.concat = function (a) {
	return Array.prototype.concat.apply(Array.prototype, arguments)
};
goog.array.join = function (a) {
	return Array.prototype.concat.apply(Array.prototype, arguments)
};
goog.array.toArray = function (a) {
	var b = a.length;
	if (0 < b) {
		for (var c = Array(b), d = 0; d < b; d++) c[d] = a[d];
		return c
	}
	return []
};
goog.array.clone = goog.array.toArray;
goog.array.extend = function (a, b) {
	for (var c = 1; c < arguments.length; c++) {
		var d = arguments[c];
		if (goog.isArrayLike(d)) {
			var e = a.length || 0,
				f = d.length || 0;
			a.length = e + f;
			for (var g = 0; g < f; g++) a[e + g] = d[g]
		} else a.push(d)
	}
};
goog.array.splice = function (a, b, c, d) {
	goog.asserts.assert(null != a.length);
	return Array.prototype.splice.apply(a, goog.array.slice(arguments, 1))
};
goog.array.slice = function (a, b, c) {
	goog.asserts.assert(null != a.length);
	return 2 >= arguments.length ? Array.prototype.slice.call(a, b) : Array.prototype.slice.call(a, b, c)
};
goog.array.removeDuplicates = function (a, b, c) {
	b = b || a;
	var d = function (a) {
		return goog.isObject(a) ? "o" + goog.getUid(a) : (typeof a).charAt(0) + a
	};
	c = c || d;
	for (var d = {}, e = 0, f = 0; f < a.length;) {
		var g = a[f++],
			h = c(g);
		Object.prototype.hasOwnProperty.call(d, h) || (d[h] = !0, b[e++] = g)
	}
	b.length = e
};
goog.array.binarySearch = function (a, b, c) {
	return goog.array.binarySearch_(a, c || goog.array.defaultCompare, !1, b)
};
goog.array.binarySelect = function (a, b, c) {
	return goog.array.binarySearch_(a, b, !0, void 0, c)
};
goog.array.binarySearch_ = function (a, b, c, d, e) {
	for (var f = 0, g = a.length, h; f < g;) {
		var k = f + g >> 1,
			m;
		m = c ? b.call(e, a[k], k, a) : b(d, a[k]);
		0 < m ? f = k + 1 : (g = k, h = !m)
	}
	return h ? f : ~f
};
goog.array.sort = function (a, b) {
	a.sort(b || goog.array.defaultCompare)
};
goog.array.stableSort = function (a, b) {
	for (var c = Array(a.length), d = 0; d < a.length; d++) c[d] = {
		index: d,
		value: a[d]
	};
	var e = b || goog.array.defaultCompare;
	goog.array.sort(c, function (a, b) {
		return e(a.value, b.value) || a.index - b.index
	});
	for (d = 0; d < a.length; d++) a[d] = c[d].value
};
goog.array.sortByKey = function (a, b, c) {
	var d = c || goog.array.defaultCompare;
	goog.array.sort(a, function (a, c) {
		return d(b(a), b(c))
	})
};
goog.array.sortObjectsByKey = function (a, b, c) {
	goog.array.sortByKey(a, function (a) {
		return a[b]
	}, c)
};
goog.array.isSorted = function (a, b, c) {
	b = b || goog.array.defaultCompare;
	for (var d = 1; d < a.length; d++) {
		var e = b(a[d - 1], a[d]);
		if (0 < e || 0 == e && c) return !1
	}
	return !0
};
goog.array.equals = function (a, b, c) {
	if (!goog.isArrayLike(a) || !goog.isArrayLike(b) || a.length != b.length) return !1;
	var d = a.length;
	c = c || goog.array.defaultCompareEquality;
	for (var e = 0; e < d; e++)
		if (!c(a[e], b[e])) return !1;
	return !0
};
goog.array.compare3 = function (a, b, c) {
	c = c || goog.array.defaultCompare;
	for (var d = Math.min(a.length, b.length), e = 0; e < d; e++) {
		var f = c(a[e], b[e]);
		if (0 != f) return f
	}
	return goog.array.defaultCompare(a.length, b.length)
};
goog.array.defaultCompare = function (a, b) {
	return a > b ? 1 : a < b ? -1 : 0
};
goog.array.inverseDefaultCompare = function (a, b) {
	return -goog.array.defaultCompare(a, b)
};
goog.array.defaultCompareEquality = function (a, b) {
	return a === b
};
goog.array.binaryInsert = function (a, b, c) {
	c = goog.array.binarySearch(a, b, c);
	return 0 > c ? (goog.array.insertAt(a, b, -(c + 1)), !0) : !1
};
goog.array.binaryRemove = function (a, b, c) {
	b = goog.array.binarySearch(a, b, c);
	return 0 <= b ? goog.array.removeAt(a, b) : !1
};
goog.array.bucket = function (a, b, c) {
	for (var d = {}, e = 0; e < a.length; e++) {
		var f = a[e],
			g = b.call(c, f, e, a);
		goog.isDef(g) && (d[g] || (d[g] = [])).push(f)
	}
	return d
};
goog.array.toObject = function (a, b, c) {
	var d = {};
	goog.array.forEach(a, function (e, f) {
		d[b.call(c, e, f, a)] = e
	});
	return d
};
goog.array.range = function (a, b, c) {
	var d = [],
		e = 0,
		f = a;
	c = c || 1;
	void 0 !== b && (e = a, f = b);
	if (0 > c * (f - e)) return [];
	if (0 < c)
		for (a = e; a < f; a += c) d.push(a);
	else
		for (a = e; a > f; a += c) d.push(a);
	return d
};
goog.array.repeat = function (a, b) {
	for (var c = [], d = 0; d < b; d++) c[d] = a;
	return c
};
goog.array.flatten = function (a) {
	for (var b = [], c = 0; c < arguments.length; c++) {
		var d = arguments[c];
		if (goog.isArray(d))
			for (var e = 0; e < d.length; e += 8192)
				for (var f = goog.array.slice(d, e, e + 8192), f = goog.array.flatten.apply(null, f), g = 0; g < f.length; g++) b.push(f[g]);
		else b.push(d)
	}
	return b
};
goog.array.rotate = function (a, b) {
	goog.asserts.assert(null != a.length);
	a.length && (b %= a.length, 0 < b ? Array.prototype.unshift.apply(a, a.splice(-b, b)) : 0 > b && Array.prototype.push.apply(a, a.splice(0, -b)));
	return a
};
goog.array.moveItem = function (a, b, c) {
	goog.asserts.assert(0 <= b && b < a.length);
	goog.asserts.assert(0 <= c && c < a.length);
	b = Array.prototype.splice.call(a, b, 1);
	Array.prototype.splice.call(a, c, 0, b[0])
};
goog.array.zip = function (a) {
	if (!arguments.length) return [];
	for (var b = [], c = arguments[0].length, d = 1; d < arguments.length; d++) arguments[d].length < c && (c = arguments[d].length);
	for (d = 0; d < c; d++) {
		for (var e = [], f = 0; f < arguments.length; f++) e.push(arguments[f][d]);
		b.push(e)
	}
	return b
};
goog.array.shuffle = function (a, b) {
	for (var c = b || Math.random, d = a.length - 1; 0 < d; d--) {
		var e = Math.floor(c() * (d + 1)),
			f = a[d];
		a[d] = a[e];
		a[e] = f
	}
};
goog.array.copyByIndex = function (a, b) {
	var c = [];
	goog.array.forEach(b, function (b) {
		c.push(a[b])
	});
	return c
};
goog.array.concatMap = function (a, b, c) {
	return goog.array.concat.apply([], goog.array.map(a, b, c))
};
goog.labs = {};
goog.labs.userAgent = {};
goog.labs.userAgent.util = {};
goog.labs.userAgent.util.getNativeUserAgentString_ = function () {
	var a = goog.labs.userAgent.util.getNavigator_();
	return a && (a = a.userAgent) ? a : ""
};
goog.labs.userAgent.util.getNavigator_ = function () {
	return goog.global.navigator
};
goog.labs.userAgent.util.userAgent_ = goog.labs.userAgent.util.getNativeUserAgentString_();
goog.labs.userAgent.util.setUserAgent = function (a) {
	goog.labs.userAgent.util.userAgent_ = a || goog.labs.userAgent.util.getNativeUserAgentString_()
};
goog.labs.userAgent.util.getUserAgent = function () {
	return goog.labs.userAgent.util.userAgent_
};
goog.labs.userAgent.util.matchUserAgent = function (a) {
	var b = goog.labs.userAgent.util.getUserAgent();
	return goog.string.contains(b, a)
};
goog.labs.userAgent.util.matchUserAgentIgnoreCase = function (a) {
	var b = goog.labs.userAgent.util.getUserAgent();
	return goog.string.caseInsensitiveContains(b, a)
};
goog.labs.userAgent.util.extractVersionTuples = function (a) {
	for (var b = RegExp("(\\w[\\w ]+)/([^\\s]+)\\s*(?:\\((.*?)\\))?", "g"), c = [], d; d = b.exec(a) ;) c.push([d[1], d[2], d[3] || void 0]);
	return c
};
goog.object = {};
goog.object.is = function (a, b) {
	return a === b ? 0 !== a || 1 / a === 1 / b : a !== a && b !== b
};
goog.object.forEach = function (a, b, c) {
	for (var d in a) b.call(c, a[d], d, a)
};
goog.object.filter = function (a, b, c) {
	var d = {},
		e;
	for (e in a) b.call(c, a[e], e, a) && (d[e] = a[e]);
	return d
};
goog.object.map = function (a, b, c) {
	var d = {},
		e;
	for (e in a) d[e] = b.call(c, a[e], e, a);
	return d
};
goog.object.some = function (a, b, c) {
	for (var d in a)
		if (b.call(c, a[d], d, a)) return !0;
	return !1
};
goog.object.every = function (a, b, c) {
	for (var d in a)
		if (!b.call(c, a[d], d, a)) return !1;
	return !0
};
goog.object.getCount = function (a) {
	var b = 0,
		c;
	for (c in a) b++;
	return b
};
goog.object.getAnyKey = function (a) {
	for (var b in a) return b
};
goog.object.getAnyValue = function (a) {
	for (var b in a) return a[b]
};
goog.object.contains = function (a, b) {
	return goog.object.containsValue(a, b)
};
goog.object.getValues = function (a) {
	var b = [],
		c = 0,
		d;
	for (d in a) b[c++] = a[d];
	return b
};
goog.object.getKeys = function (a) {
	var b = [],
		c = 0,
		d;
	for (d in a) b[c++] = d;
	return b
};
goog.object.getValueByKeys = function (a, b) {
	for (var c = goog.isArrayLike(b), d = c ? b : arguments, c = c ? 0 : 1; c < d.length && (a = a[d[c]], goog.isDef(a)) ; c++);
	return a
};
goog.object.containsKey = function (a, b) {
	return null !== a && b in a
};
goog.object.containsValue = function (a, b) {
	for (var c in a)
		if (a[c] == b) return !0;
	return !1
};
goog.object.findKey = function (a, b, c) {
	for (var d in a)
		if (b.call(c, a[d], d, a)) return d
};
goog.object.findValue = function (a, b, c) {
	return (b = goog.object.findKey(a, b, c)) && a[b]
};
goog.object.isEmpty = function (a) {
	for (var b in a) return !1;
	return !0
};
goog.object.clear = function (a) {
	for (var b in a) delete a[b]
};
goog.object.remove = function (a, b) {
	var c;
	(c = b in a) && delete a[b];
	return c
};
goog.object.add = function (a, b, c) {
	if (null !== a && b in a) throw Error('The object already contains the key "' + b + '"');
	goog.object.set(a, b, c)
};
goog.object.get = function (a, b, c) {
	return null !== a && b in a ? a[b] : c
};
goog.object.set = function (a, b, c) {
	a[b] = c
};
goog.object.setIfUndefined = function (a, b, c) {
	return b in a ? a[b] : a[b] = c
};
goog.object.setWithReturnValueIfNotSet = function (a, b, c) {
	if (b in a) return a[b];
	c = c();
	return a[b] = c
};
goog.object.equals = function (a, b) {
	for (var c in a)
		if (!(c in b) || a[c] !== b[c]) return !1;
	for (c in b)
		if (!(c in a)) return !1;
	return !0
};
goog.object.clone = function (a) {
	var b = {},
		c;
	for (c in a) b[c] = a[c];
	return b
};
goog.object.unsafeClone = function (a) {
	var b = goog.typeOf(a);
	if ("object" == b || "array" == b) {
		if (goog.isFunction(a.clone)) return a.clone();
		var b = "array" == b ? [] : {},
			c;
		for (c in a) b[c] = goog.object.unsafeClone(a[c]);
		return b
	}
	return a
};
goog.object.transpose = function (a) {
	var b = {},
		c;
	for (c in a) b[a[c]] = c;
	return b
};
goog.object.PROTOTYPE_FIELDS_ = "constructor hasOwnProperty isPrototypeOf propertyIsEnumerable toLocaleString toString valueOf".split(" ");
goog.object.extend = function (a, b) {
	for (var c, d, e = 1; e < arguments.length; e++) {
		d = arguments[e];
		for (c in d) a[c] = d[c];
		for (var f = 0; f < goog.object.PROTOTYPE_FIELDS_.length; f++) c = goog.object.PROTOTYPE_FIELDS_[f], Object.prototype.hasOwnProperty.call(d, c) && (a[c] = d[c])
	}
};
goog.object.create = function (a) {
	var b = arguments.length;
	if (1 == b && goog.isArray(arguments[0])) return goog.object.create.apply(null, arguments[0]);
	if (b % 2) throw Error("Uneven number of arguments");
	for (var c = {}, d = 0; d < b; d += 2) c[arguments[d]] = arguments[d + 1];
	return c
};
goog.object.createSet = function (a) {
	var b = arguments.length;
	if (1 == b && goog.isArray(arguments[0])) return goog.object.createSet.apply(null, arguments[0]);
	for (var c = {}, d = 0; d < b; d++) c[arguments[d]] = !0;
	return c
};
goog.object.createImmutableView = function (a) {
	var b = a;
	Object.isFrozen && !Object.isFrozen(a) && (b = Object.create(a), Object.freeze(b));
	return b
};
goog.object.isImmutableView = function (a) {
	return !!Object.isFrozen && Object.isFrozen(a)
};
goog.labs.userAgent.browser = {};
goog.labs.userAgent.browser.matchOpera_ = function () {
	return goog.labs.userAgent.util.matchUserAgent("Opera")
};
goog.labs.userAgent.browser.matchIE_ = function () {
	return goog.labs.userAgent.util.matchUserAgent("Trident") || goog.labs.userAgent.util.matchUserAgent("MSIE")
};
goog.labs.userAgent.browser.matchEdge_ = function () {
	return goog.labs.userAgent.util.matchUserAgent("Edge")
};
goog.labs.userAgent.browser.matchFirefox_ = function () {
	return goog.labs.userAgent.util.matchUserAgent("Firefox")
};
goog.labs.userAgent.browser.matchSafari_ = function () {
	return goog.labs.userAgent.util.matchUserAgent("Safari") && !(goog.labs.userAgent.browser.matchChrome_() || goog.labs.userAgent.browser.matchCoast_() || goog.labs.userAgent.browser.matchOpera_() || goog.labs.userAgent.browser.matchEdge_() || goog.labs.userAgent.browser.isSilk() || goog.labs.userAgent.util.matchUserAgent("Android"))
};
goog.labs.userAgent.browser.matchCoast_ = function () {
	return goog.labs.userAgent.util.matchUserAgent("Coast")
};
goog.labs.userAgent.browser.matchIosWebview_ = function () {
	return (goog.labs.userAgent.util.matchUserAgent("iPad") || goog.labs.userAgent.util.matchUserAgent("iPhone")) && !goog.labs.userAgent.browser.matchSafari_() && !goog.labs.userAgent.browser.matchChrome_() && !goog.labs.userAgent.browser.matchCoast_() && goog.labs.userAgent.util.matchUserAgent("AppleWebKit")
};
goog.labs.userAgent.browser.matchChrome_ = function () {
	return (goog.labs.userAgent.util.matchUserAgent("Chrome") || goog.labs.userAgent.util.matchUserAgent("CriOS")) && !goog.labs.userAgent.browser.matchEdge_()
};
goog.labs.userAgent.browser.matchAndroidBrowser_ = function () {
	return goog.labs.userAgent.util.matchUserAgent("Android") && !(goog.labs.userAgent.browser.isChrome() || goog.labs.userAgent.browser.isFirefox() || goog.labs.userAgent.browser.isOpera() || goog.labs.userAgent.browser.isSilk())
};
goog.labs.userAgent.browser.isOpera = goog.labs.userAgent.browser.matchOpera_;
goog.labs.userAgent.browser.isIE = goog.labs.userAgent.browser.matchIE_;
goog.labs.userAgent.browser.isEdge = goog.labs.userAgent.browser.matchEdge_;
goog.labs.userAgent.browser.isFirefox = goog.labs.userAgent.browser.matchFirefox_;
goog.labs.userAgent.browser.isSafari = goog.labs.userAgent.browser.matchSafari_;
goog.labs.userAgent.browser.isCoast = goog.labs.userAgent.browser.matchCoast_;
goog.labs.userAgent.browser.isIosWebview = goog.labs.userAgent.browser.matchIosWebview_;
goog.labs.userAgent.browser.isChrome = goog.labs.userAgent.browser.matchChrome_;
goog.labs.userAgent.browser.isAndroidBrowser = goog.labs.userAgent.browser.matchAndroidBrowser_;
goog.labs.userAgent.browser.isSilk = function () {
	return goog.labs.userAgent.util.matchUserAgent("Silk")
};
goog.labs.userAgent.browser.getVersion = function () {
	function a(a) {
		a = goog.array.find(a, d);
		return c[a] || ""
	}
	var b = goog.labs.userAgent.util.getUserAgent();
	if (goog.labs.userAgent.browser.isIE()) return goog.labs.userAgent.browser.getIEVersion_(b);
	var b = goog.labs.userAgent.util.extractVersionTuples(b),
		c = {};
	goog.array.forEach(b, function (a) {
		c[a[0]] = a[1]
	});
	var d = goog.partial(goog.object.containsKey, c);
	return goog.labs.userAgent.browser.isOpera() ? a(["Version", "Opera"]) : goog.labs.userAgent.browser.isEdge() ? a(["Edge"]) :
		goog.labs.userAgent.browser.isChrome() ? a(["Chrome", "CriOS"]) : (b = b[2]) && b[1] || ""
};
goog.labs.userAgent.browser.isVersionOrHigher = function (a) {
	return 0 <= goog.string.compareVersions(goog.labs.userAgent.browser.getVersion(), a)
};
goog.labs.userAgent.browser.getIEVersion_ = function (a) {
	var b = /rv: *([\d\.]*)/.exec(a);
	if (b && b[1]) return b[1];
	var b = "",
		c = /MSIE +([\d\.]+)/.exec(a);
	if (c && c[1])
		if (a = /Trident\/(\d.\d)/.exec(a), "7.0" == c[1])
			if (a && a[1]) switch (a[1]) {
				case "4.0":
					b = "8.0";
					break;
				case "5.0":
					b = "9.0";
					break;
				case "6.0":
					b = "10.0";
					break;
				case "7.0":
					b = "11.0"
			} else b = "7.0";
		else b = c[1];
	return b
};
goog.labs.userAgent.engine = {};
goog.labs.userAgent.engine.isPresto = function () {
	return goog.labs.userAgent.util.matchUserAgent("Presto")
};
goog.labs.userAgent.engine.isTrident = function () {
	return goog.labs.userAgent.util.matchUserAgent("Trident") || goog.labs.userAgent.util.matchUserAgent("MSIE")
};
goog.labs.userAgent.engine.isEdge = function () {
	return goog.labs.userAgent.util.matchUserAgent("Edge")
};
goog.labs.userAgent.engine.isWebKit = function () {
	return goog.labs.userAgent.util.matchUserAgentIgnoreCase("WebKit") && !goog.labs.userAgent.engine.isEdge()
};
goog.labs.userAgent.engine.isGecko = function () {
	return goog.labs.userAgent.util.matchUserAgent("Gecko") && !goog.labs.userAgent.engine.isWebKit() && !goog.labs.userAgent.engine.isTrident() && !goog.labs.userAgent.engine.isEdge()
};
goog.labs.userAgent.engine.getVersion = function () {
	var a = goog.labs.userAgent.util.getUserAgent();
	if (a) {
		var a = goog.labs.userAgent.util.extractVersionTuples(a),
			b = goog.labs.userAgent.engine.getEngineTuple_(a);
		if (b) return "Gecko" == b[0] ? goog.labs.userAgent.engine.getVersionForKey_(a, "Firefox") : b[1];
		var a = a[0],
			c;
		if (a && (c = a[2]) && (c = /Trident\/([^\s;]+)/.exec(c))) return c[1]
	}
	return ""
};
goog.labs.userAgent.engine.getEngineTuple_ = function (a) {
	if (!goog.labs.userAgent.engine.isEdge()) return a[1];
	for (var b = 0; b < a.length; b++) {
		var c = a[b];
		if ("Edge" == c[0]) return c
	}
};
goog.labs.userAgent.engine.isVersionOrHigher = function (a) {
	return 0 <= goog.string.compareVersions(goog.labs.userAgent.engine.getVersion(), a)
};
goog.labs.userAgent.engine.getVersionForKey_ = function (a, b) {
	var c = goog.array.find(a, function (a) {
		return b == a[0]
	});
	return c && c[1] || ""
};
goog.labs.userAgent.platform = {};
goog.labs.userAgent.platform.isAndroid = function () {
	return goog.labs.userAgent.util.matchUserAgent("Android")
};
goog.labs.userAgent.platform.isIpod = function () {
	return goog.labs.userAgent.util.matchUserAgent("iPod")
};
goog.labs.userAgent.platform.isIphone = function () {
	return goog.labs.userAgent.util.matchUserAgent("iPhone") && !goog.labs.userAgent.util.matchUserAgent("iPod") && !goog.labs.userAgent.util.matchUserAgent("iPad")
};
goog.labs.userAgent.platform.isIpad = function () {
	return goog.labs.userAgent.util.matchUserAgent("iPad")
};
goog.labs.userAgent.platform.isIos = function () {
	return goog.labs.userAgent.platform.isIphone() || goog.labs.userAgent.platform.isIpad() || goog.labs.userAgent.platform.isIpod()
};
goog.labs.userAgent.platform.isMacintosh = function () {
	return goog.labs.userAgent.util.matchUserAgent("Macintosh")
};
goog.labs.userAgent.platform.isLinux = function () {
	return goog.labs.userAgent.util.matchUserAgent("Linux")
};
goog.labs.userAgent.platform.isWindows = function () {
	return goog.labs.userAgent.util.matchUserAgent("Windows")
};
goog.labs.userAgent.platform.isChromeOS = function () {
	return goog.labs.userAgent.util.matchUserAgent("CrOS")
};
goog.labs.userAgent.platform.getVersion = function () {
	var a = goog.labs.userAgent.util.getUserAgent(),
		b = "";
	goog.labs.userAgent.platform.isWindows() ? (b = /Windows (?:NT|Phone) ([0-9.]+)/, b = (a = b.exec(a)) ? a[1] : "0.0") : goog.labs.userAgent.platform.isIos() ? (b = /(?:iPhone|iPod|iPad|CPU)\s+OS\s+(\S+)/, b = (a = b.exec(a)) && a[1].replace(/_/g, ".")) : goog.labs.userAgent.platform.isMacintosh() ? (b = /Mac OS X ([0-9_.]+)/, b = (a = b.exec(a)) ? a[1].replace(/_/g, ".") : "10") : goog.labs.userAgent.platform.isAndroid() ? (b = /Android\s+([^\);]+)(\)|;)/,
		b = (a = b.exec(a)) && a[1]) : goog.labs.userAgent.platform.isChromeOS() && (b = /(?:CrOS\s+(?:i686|x86_64)\s+([0-9.]+))/, b = (a = b.exec(a)) && a[1]);
	return b || ""
};
goog.labs.userAgent.platform.isVersionOrHigher = function (a) {
	return 0 <= goog.string.compareVersions(goog.labs.userAgent.platform.getVersion(), a)
};
goog.reflect = {};
goog.reflect.object = function (a, b) {
	return b
};
goog.reflect.objectProperty = function (a, b) {
	return a
};
goog.reflect.sinkValue = function (a) {
	goog.reflect.sinkValue[" "](a);
	return a
};
goog.reflect.sinkValue[" "] = goog.nullFunction;
goog.reflect.canAccessProperty = function (a, b) {
	try {
		return goog.reflect.sinkValue(a[b]), !0
	} catch (c) { }
	return !1
};
goog.reflect.cache = function (a, b, c, d) {
	d = d ? d(b) : b;
	return Object.prototype.hasOwnProperty.call(a, d) ? a[d] : a[d] = c(b)
};
goog.userAgent = {};
goog.userAgent.ASSUME_IE = !1;
goog.userAgent.ASSUME_EDGE = !1;
goog.userAgent.ASSUME_GECKO = !1;
goog.userAgent.ASSUME_WEBKIT = !1;
goog.userAgent.ASSUME_MOBILE_WEBKIT = !1;
goog.userAgent.ASSUME_OPERA = !1;
goog.userAgent.ASSUME_ANY_VERSION = !1;
goog.userAgent.BROWSER_KNOWN_ = goog.userAgent.ASSUME_IE || goog.userAgent.ASSUME_EDGE || goog.userAgent.ASSUME_GECKO || goog.userAgent.ASSUME_MOBILE_WEBKIT || goog.userAgent.ASSUME_WEBKIT || goog.userAgent.ASSUME_OPERA;
goog.userAgent.getUserAgentString = function () {
	return goog.labs.userAgent.util.getUserAgent()
};
goog.userAgent.getNavigator = function () {
	return goog.global.navigator || null
};
goog.userAgent.OPERA = goog.userAgent.BROWSER_KNOWN_ ? goog.userAgent.ASSUME_OPERA : goog.labs.userAgent.browser.isOpera();
goog.userAgent.IE = goog.userAgent.BROWSER_KNOWN_ ? goog.userAgent.ASSUME_IE : goog.labs.userAgent.browser.isIE();
goog.userAgent.EDGE = goog.userAgent.BROWSER_KNOWN_ ? goog.userAgent.ASSUME_EDGE : goog.labs.userAgent.engine.isEdge();
goog.userAgent.EDGE_OR_IE = goog.userAgent.EDGE || goog.userAgent.IE;
goog.userAgent.GECKO = goog.userAgent.BROWSER_KNOWN_ ? goog.userAgent.ASSUME_GECKO : goog.labs.userAgent.engine.isGecko();
goog.userAgent.WEBKIT = goog.userAgent.BROWSER_KNOWN_ ? goog.userAgent.ASSUME_WEBKIT || goog.userAgent.ASSUME_MOBILE_WEBKIT : goog.labs.userAgent.engine.isWebKit();
goog.userAgent.isMobile_ = function () {
	return goog.userAgent.WEBKIT && goog.labs.userAgent.util.matchUserAgent("Mobile")
};
goog.userAgent.MOBILE = goog.userAgent.ASSUME_MOBILE_WEBKIT || goog.userAgent.isMobile_();
goog.userAgent.SAFARI = goog.userAgent.WEBKIT;
goog.userAgent.determinePlatform_ = function () {
	var a = goog.userAgent.getNavigator();
	return a && a.platform || ""
};
goog.userAgent.PLATFORM = goog.userAgent.determinePlatform_();
goog.userAgent.ASSUME_MAC = !1;
goog.userAgent.ASSUME_WINDOWS = !1;
goog.userAgent.ASSUME_LINUX = !1;
goog.userAgent.ASSUME_X11 = !1;
goog.userAgent.ASSUME_ANDROID = !1;
goog.userAgent.ASSUME_IPHONE = !1;
goog.userAgent.ASSUME_IPAD = !1;
goog.userAgent.ASSUME_IPOD = !1;
goog.userAgent.PLATFORM_KNOWN_ = goog.userAgent.ASSUME_MAC || goog.userAgent.ASSUME_WINDOWS || goog.userAgent.ASSUME_LINUX || goog.userAgent.ASSUME_X11 || goog.userAgent.ASSUME_ANDROID || goog.userAgent.ASSUME_IPHONE || goog.userAgent.ASSUME_IPAD || goog.userAgent.ASSUME_IPOD;
goog.userAgent.MAC = goog.userAgent.PLATFORM_KNOWN_ ? goog.userAgent.ASSUME_MAC : goog.labs.userAgent.platform.isMacintosh();
goog.userAgent.WINDOWS = goog.userAgent.PLATFORM_KNOWN_ ? goog.userAgent.ASSUME_WINDOWS : goog.labs.userAgent.platform.isWindows();
goog.userAgent.isLegacyLinux_ = function () {
	return goog.labs.userAgent.platform.isLinux() || goog.labs.userAgent.platform.isChromeOS()
};
goog.userAgent.LINUX = goog.userAgent.PLATFORM_KNOWN_ ? goog.userAgent.ASSUME_LINUX : goog.userAgent.isLegacyLinux_();
goog.userAgent.isX11_ = function () {
	var a = goog.userAgent.getNavigator();
	return !!a && goog.string.contains(a.appVersion || "", "X11")
};
goog.userAgent.X11 = goog.userAgent.PLATFORM_KNOWN_ ? goog.userAgent.ASSUME_X11 : goog.userAgent.isX11_();
goog.userAgent.ANDROID = goog.userAgent.PLATFORM_KNOWN_ ? goog.userAgent.ASSUME_ANDROID : goog.labs.userAgent.platform.isAndroid();
goog.userAgent.IPHONE = goog.userAgent.PLATFORM_KNOWN_ ? goog.userAgent.ASSUME_IPHONE : goog.labs.userAgent.platform.isIphone();
goog.userAgent.IPAD = goog.userAgent.PLATFORM_KNOWN_ ? goog.userAgent.ASSUME_IPAD : goog.labs.userAgent.platform.isIpad();
goog.userAgent.IPOD = goog.userAgent.PLATFORM_KNOWN_ ? goog.userAgent.ASSUME_IPOD : goog.labs.userAgent.platform.isIpod();
goog.userAgent.IOS = goog.userAgent.PLATFORM_KNOWN_ ? goog.userAgent.ASSUME_IPHONE || goog.userAgent.ASSUME_IPAD || goog.userAgent.ASSUME_IPOD : goog.labs.userAgent.platform.isIos();
goog.userAgent.determineVersion_ = function () {
	var a = "",
		b = goog.userAgent.getVersionRegexResult_();
	b && (a = b ? b[1] : "");
	return goog.userAgent.IE && (b = goog.userAgent.getDocumentMode_(), null != b && b > parseFloat(a)) ? String(b) : a
};
goog.userAgent.getVersionRegexResult_ = function () {
	var a = goog.userAgent.getUserAgentString();
	if (goog.userAgent.GECKO) return /rv\:([^\);]+)(\)|;)/.exec(a);
	if (goog.userAgent.EDGE) return /Edge\/([\d\.]+)/.exec(a);
	if (goog.userAgent.IE) return /\b(?:MSIE|rv)[: ]([^\);]+)(\)|;)/.exec(a);
	if (goog.userAgent.WEBKIT) return /WebKit\/(\S+)/.exec(a);
	if (goog.userAgent.OPERA) return /(?:Version)[ \/]?(\S+)/.exec(a)
};
goog.userAgent.getDocumentMode_ = function () {
	var a = goog.global.document;
	return a ? a.documentMode : void 0
};
goog.userAgent.VERSION = goog.userAgent.determineVersion_();
goog.userAgent.compare = function (a, b) {
	return goog.string.compareVersions(a, b)
};
goog.userAgent.isVersionOrHigherCache_ = {};
goog.userAgent.isVersionOrHigher = function (a) {
	return goog.userAgent.ASSUME_ANY_VERSION || goog.reflect.cache(goog.userAgent.isVersionOrHigherCache_, a, function () {
		return 0 <= goog.string.compareVersions(goog.userAgent.VERSION, a)
	})
};
goog.userAgent.isVersion = goog.userAgent.isVersionOrHigher;
goog.userAgent.isDocumentModeOrHigher = function (a) {
	return Number(goog.userAgent.DOCUMENT_MODE) >= a
};
goog.userAgent.isDocumentMode = goog.userAgent.isDocumentModeOrHigher;
goog.userAgent.DOCUMENT_MODE = function () {
	var a = goog.global.document,
		b = goog.userAgent.getDocumentMode_();
	if (a && goog.userAgent.IE) return b || ("CSS1Compat" == a.compatMode ? parseInt(goog.userAgent.VERSION, 10) : 5)
}();
goog.events = {};
goog.events.BrowserFeature = {
	HAS_W3C_BUTTON: !goog.userAgent.IE || goog.userAgent.isDocumentModeOrHigher(9),
	HAS_W3C_EVENT_SUPPORT: !goog.userAgent.IE || goog.userAgent.isDocumentModeOrHigher(9),
	SET_KEY_CODE_TO_PREVENT_DEFAULT: goog.userAgent.IE && !goog.userAgent.isVersionOrHigher("9"),
	HAS_NAVIGATOR_ONLINE_PROPERTY: !goog.userAgent.WEBKIT || goog.userAgent.isVersionOrHigher("528"),
	HAS_HTML5_NETWORK_EVENT_SUPPORT: goog.userAgent.GECKO && goog.userAgent.isVersionOrHigher("1.9b") || goog.userAgent.IE && goog.userAgent.isVersionOrHigher("8") ||
		goog.userAgent.OPERA && goog.userAgent.isVersionOrHigher("9.5") || goog.userAgent.WEBKIT && goog.userAgent.isVersionOrHigher("528"),
	HTML5_NETWORK_EVENTS_FIRE_ON_BODY: goog.userAgent.GECKO && !goog.userAgent.isVersionOrHigher("8") || goog.userAgent.IE && !goog.userAgent.isVersionOrHigher("9"),
	TOUCH_ENABLED: "ontouchstart" in goog.global || !!(goog.global.document && document.documentElement && "ontouchstart" in document.documentElement) || !(!goog.global.navigator || !goog.global.navigator.msMaxTouchPoints)
};
goog.disposable = {};
goog.disposable.IDisposable = function () { };
goog.disposable.IDisposable.prototype.dispose = goog.abstractMethod;
goog.disposable.IDisposable.prototype.isDisposed = goog.abstractMethod;
goog.Disposable = function () {
	goog.Disposable.MONITORING_MODE != goog.Disposable.MonitoringMode.OFF && (goog.Disposable.INCLUDE_STACK_ON_CREATION && (this.creationStack = Error().stack), goog.Disposable.instances_[goog.getUid(this)] = this);
	this.disposed_ = this.disposed_;
	this.onDisposeCallbacks_ = this.onDisposeCallbacks_
};
goog.Disposable.MonitoringMode = {
	OFF: 0,
	PERMANENT: 1,
	INTERACTIVE: 2
};
goog.Disposable.MONITORING_MODE = 0;
goog.Disposable.INCLUDE_STACK_ON_CREATION = !0;
goog.Disposable.instances_ = {};
goog.Disposable.getUndisposedObjects = function () {
	var a = [],
		b;
	for (b in goog.Disposable.instances_) goog.Disposable.instances_.hasOwnProperty(b) && a.push(goog.Disposable.instances_[Number(b)]);
	return a
};
goog.Disposable.clearUndisposedObjects = function () {
	goog.Disposable.instances_ = {}
};
goog.Disposable.prototype.disposed_ = !1;
goog.Disposable.prototype.isDisposed = function () {
	return this.disposed_
};
goog.Disposable.prototype.getDisposed = goog.Disposable.prototype.isDisposed;
goog.Disposable.prototype.dispose = function () {
	if (!this.disposed_ && (this.disposed_ = !0, this.disposeInternal(), goog.Disposable.MONITORING_MODE != goog.Disposable.MonitoringMode.OFF)) {
		var a = goog.getUid(this);
		if (goog.Disposable.MONITORING_MODE == goog.Disposable.MonitoringMode.PERMANENT && !goog.Disposable.instances_.hasOwnProperty(a)) throw Error(this + " did not call the goog.Disposable base constructor or was disposed of after a clearUndisposedObjects call");
		delete goog.Disposable.instances_[a]
	}
};
goog.Disposable.prototype.registerDisposable = function (a) {
	this.addOnDisposeCallback(goog.partial(goog.dispose, a))
};
goog.Disposable.prototype.addOnDisposeCallback = function (a, b) {
	this.disposed_ ? goog.isDef(b) ? a.call(b) : a() : (this.onDisposeCallbacks_ || (this.onDisposeCallbacks_ = []), this.onDisposeCallbacks_.push(goog.isDef(b) ? goog.bind(a, b) : a))
};
goog.Disposable.prototype.disposeInternal = function () {
	if (this.onDisposeCallbacks_)
		for (; this.onDisposeCallbacks_.length;) this.onDisposeCallbacks_.shift()()
};
goog.Disposable.isDisposed = function (a) {
	return a && "function" == typeof a.isDisposed ? a.isDisposed() : !1
};
goog.dispose = function (a) {
	a && "function" == typeof a.dispose && a.dispose()
};
goog.disposeAll = function (a) {
	for (var b = 0, c = arguments.length; b < c; ++b) {
		var d = arguments[b];
		goog.isArrayLike(d) ? goog.disposeAll.apply(null, d) : goog.dispose(d)
	}
};
goog.events.EventId = function (a) {
	this.id = a
};
goog.events.EventId.prototype.toString = function () {
	return this.id
};
goog.events.Event = function (a, b) {
	this.type = a instanceof goog.events.EventId ? String(a) : a;
	this.currentTarget = this.target = b;
	this.defaultPrevented = this.propagationStopped_ = !1;
	this.returnValue_ = !0
};
goog.events.Event.prototype.stopPropagation = function () {
	this.propagationStopped_ = !0
};
goog.events.Event.prototype.preventDefault = function () {
	this.defaultPrevented = !0;
	this.returnValue_ = !1
};
goog.events.Event.stopPropagation = function (a) {
	a.stopPropagation()
};
goog.events.Event.preventDefault = function (a) {
	a.preventDefault()
};
goog.events.getVendorPrefixedName_ = function (a) {
	return goog.userAgent.WEBKIT ? "webkit" + a : goog.userAgent.OPERA ? "o" + a.toLowerCase() : a.toLowerCase()
};
goog.events.EventType = {
	CLICK: "click",
	RIGHTCLICK: "rightclick",
	DBLCLICK: "dblclick",
	MOUSEDOWN: "mousedown",
	MOUSEUP: "mouseup",
	MOUSEOVER: "mouseover",
	MOUSEOUT: "mouseout",
	MOUSEMOVE: "mousemove",
	MOUSEENTER: "mouseenter",
	MOUSELEAVE: "mouseleave",
	SELECTIONCHANGE: "selectionchange",
	SELECTSTART: "selectstart",
	WHEEL: "wheel",
	KEYPRESS: "keypress",
	KEYDOWN: "keydown",
	KEYUP: "keyup",
	BLUR: "blur",
	FOCUS: "focus",
	DEACTIVATE: "deactivate",
	FOCUSIN: goog.userAgent.IE ? "focusin" : "DOMFocusIn",
	FOCUSOUT: goog.userAgent.IE ? "focusout" : "DOMFocusOut",
	CHANGE: "change",
	RESET: "reset",
	SELECT: "select",
	SUBMIT: "submit",
	INPUT: "input",
	PROPERTYCHANGE: "propertychange",
	DRAGSTART: "dragstart",
	DRAG: "drag",
	DRAGENTER: "dragenter",
	DRAGOVER: "dragover",
	DRAGLEAVE: "dragleave",
	DROP: "drop",
	DRAGEND: "dragend",
	TOUCHSTART: "touchstart",
	TOUCHMOVE: "touchmove",
	TOUCHEND: "touchend",
	TOUCHCANCEL: "touchcancel",
	BEFOREUNLOAD: "beforeunload",
	CONSOLEMESSAGE: "consolemessage",
	CONTEXTMENU: "contextmenu",
	DEVICEORIENTATION: "deviceorientation",
	DOMCONTENTLOADED: "DOMContentLoaded",
	ERROR: "error",
	HELP: "help",
	LOAD: "load",
	LOSECAPTURE: "losecapture",
	ORIENTATIONCHANGE: "orientationchange",
	READYSTATECHANGE: "readystatechange",
	RESIZE: "resize",
	SCROLL: "scroll",
	UNLOAD: "unload",
	CANPLAY: "canplay",
	CANPLAYTHROUGH: "canplaythrough",
	DURATIONCHANGE: "durationchange",
	EMPTIED: "emptied",
	ENDED: "ended",
	LOADEDDATA: "loadeddata",
	LOADEDMETADATA: "loadedmetadata",
	PAUSE: "pause",
	PLAY: "play",
	PLAYING: "playing",
	RATECHANGE: "ratechange",
	SEEKED: "seeked",
	SEEKING: "seeking",
	STALLED: "stalled",
	SUSPEND: "suspend",
	TIMEUPDATE: "timeupdate",
	VOLUMECHANGE: "volumechange",
	WAITING: "waiting",
	HASHCHANGE: "hashchange",
	PAGEHIDE: "pagehide",
	PAGESHOW: "pageshow",
	POPSTATE: "popstate",
	COPY: "copy",
	PASTE: "paste",
	CUT: "cut",
	BEFORECOPY: "beforecopy",
	BEFORECUT: "beforecut",
	BEFOREPASTE: "beforepaste",
	ONLINE: "online",
	OFFLINE: "offline",
	MESSAGE: "message",
	CONNECT: "connect",
	ANIMATIONSTART: goog.events.getVendorPrefixedName_("AnimationStart"),
	ANIMATIONEND: goog.events.getVendorPrefixedName_("AnimationEnd"),
	ANIMATIONITERATION: goog.events.getVendorPrefixedName_("AnimationIteration"),
	TRANSITIONEND: goog.events.getVendorPrefixedName_("TransitionEnd"),
	POINTERDOWN: "pointerdown",
	POINTERUP: "pointerup",
	POINTERCANCEL: "pointercancel",
	POINTERMOVE: "pointermove",
	POINTEROVER: "pointerover",
	POINTEROUT: "pointerout",
	POINTERENTER: "pointerenter",
	POINTERLEAVE: "pointerleave",
	GOTPOINTERCAPTURE: "gotpointercapture",
	LOSTPOINTERCAPTURE: "lostpointercapture",
	MSGESTURECHANGE: "MSGestureChange",
	MSGESTUREEND: "MSGestureEnd",
	MSGESTUREHOLD: "MSGestureHold",
	MSGESTURESTART: "MSGestureStart",
	MSGESTURETAP: "MSGestureTap",
	MSGOTPOINTERCAPTURE: "MSGotPointerCapture",
	MSINERTIASTART: "MSInertiaStart",
	MSLOSTPOINTERCAPTURE: "MSLostPointerCapture",
	MSPOINTERCANCEL: "MSPointerCancel",
	MSPOINTERDOWN: "MSPointerDown",
	MSPOINTERENTER: "MSPointerEnter",
	MSPOINTERHOVER: "MSPointerHover",
	MSPOINTERLEAVE: "MSPointerLeave",
	MSPOINTERMOVE: "MSPointerMove",
	MSPOINTEROUT: "MSPointerOut",
	MSPOINTEROVER: "MSPointerOver",
	MSPOINTERUP: "MSPointerUp",
	TEXT: "text",
	TEXTINPUT: "textInput",
	COMPOSITIONSTART: "compositionstart",
	COMPOSITIONUPDATE: "compositionupdate",
	COMPOSITIONEND: "compositionend",
	EXIT: "exit",
	LOADABORT: "loadabort",
	LOADCOMMIT: "loadcommit",
	LOADREDIRECT: "loadredirect",
	LOADSTART: "loadstart",
	LOADSTOP: "loadstop",
	RESPONSIVE: "responsive",
	SIZECHANGED: "sizechanged",
	UNRESPONSIVE: "unresponsive",
	VISIBILITYCHANGE: "visibilitychange",
	STORAGE: "storage",
	DOMSUBTREEMODIFIED: "DOMSubtreeModified",
	DOMNODEINSERTED: "DOMNodeInserted",
	DOMNODEREMOVED: "DOMNodeRemoved",
	DOMNODEREMOVEDFROMDOCUMENT: "DOMNodeRemovedFromDocument",
	DOMNODEINSERTEDINTODOCUMENT: "DOMNodeInsertedIntoDocument",
	DOMATTRMODIFIED: "DOMAttrModified",
	DOMCHARACTERDATAMODIFIED: "DOMCharacterDataModified",
	BEFOREPRINT: "beforeprint",
	AFTERPRINT: "afterprint"
};
goog.events.BrowserEvent = function (a, b) {
	goog.events.Event.call(this, a ? a.type : "");
	this.relatedTarget = this.currentTarget = this.target = null;
	this.charCode = this.keyCode = this.button = this.screenY = this.screenX = this.clientY = this.clientX = this.offsetY = this.offsetX = 0;
	this.metaKey = this.shiftKey = this.altKey = this.ctrlKey = !1;
	this.state = null;
	this.platformModifierKey = !1;
	this.event_ = null;
	a && this.init(a, b)
};
goog.inherits(goog.events.BrowserEvent, goog.events.Event);
goog.events.BrowserEvent.MouseButton = {
	LEFT: 0,
	MIDDLE: 1,
	RIGHT: 2
};
goog.events.BrowserEvent.IEButtonMap = [1, 4, 2];
goog.events.BrowserEvent.prototype.init = function (a, b) {
	var c = this.type = a.type,
		d = a.changedTouches ? a.changedTouches[0] : null;
	this.target = a.target || a.srcElement;
	this.currentTarget = b;
	var e = a.relatedTarget;
	e ? goog.userAgent.GECKO && (goog.reflect.canAccessProperty(e, "nodeName") || (e = null)) : c == goog.events.EventType.MOUSEOVER ? e = a.fromElement : c == goog.events.EventType.MOUSEOUT && (e = a.toElement);
	this.relatedTarget = e;
	goog.isNull(d) ? (this.offsetX = goog.userAgent.WEBKIT || void 0 !== a.offsetX ? a.offsetX : a.layerX, this.offsetY =
		goog.userAgent.WEBKIT || void 0 !== a.offsetY ? a.offsetY : a.layerY, this.clientX = void 0 !== a.clientX ? a.clientX : a.pageX, this.clientY = void 0 !== a.clientY ? a.clientY : a.pageY, this.screenX = a.screenX || 0, this.screenY = a.screenY || 0) : (this.clientX = void 0 !== d.clientX ? d.clientX : d.pageX, this.clientY = void 0 !== d.clientY ? d.clientY : d.pageY, this.screenX = d.screenX || 0, this.screenY = d.screenY || 0);
	this.button = a.button;
	this.keyCode = a.keyCode || 0;
	this.charCode = a.charCode || ("keypress" == c ? a.keyCode : 0);
	this.ctrlKey = a.ctrlKey;
	this.altKey =
		a.altKey;
	this.shiftKey = a.shiftKey;
	this.metaKey = a.metaKey;
	this.platformModifierKey = goog.userAgent.MAC ? a.metaKey : a.ctrlKey;
	this.state = a.state;
	this.event_ = a;
	a.defaultPrevented && this.preventDefault()
};
goog.events.BrowserEvent.prototype.isButton = function (a) {
	return goog.events.BrowserFeature.HAS_W3C_BUTTON ? this.event_.button == a : "click" == this.type ? a == goog.events.BrowserEvent.MouseButton.LEFT : !!(this.event_.button & goog.events.BrowserEvent.IEButtonMap[a])
};
goog.events.BrowserEvent.prototype.isMouseActionButton = function () {
	return this.isButton(goog.events.BrowserEvent.MouseButton.LEFT) && !(goog.userAgent.WEBKIT && goog.userAgent.MAC && this.ctrlKey)
};
goog.events.BrowserEvent.prototype.stopPropagation = function () {
	goog.events.BrowserEvent.superClass_.stopPropagation.call(this);
	this.event_.stopPropagation ? this.event_.stopPropagation() : this.event_.cancelBubble = !0
};
goog.events.BrowserEvent.prototype.preventDefault = function () {
	goog.events.BrowserEvent.superClass_.preventDefault.call(this);
	var a = this.event_;
	if (a.preventDefault) a.preventDefault();
	else if (a.returnValue = !1, goog.events.BrowserFeature.SET_KEY_CODE_TO_PREVENT_DEFAULT) try {
		if (a.ctrlKey || 112 <= a.keyCode && 123 >= a.keyCode) a.keyCode = -1
	} catch (b) { }
};
goog.events.BrowserEvent.prototype.getBrowserEvent = function () {
	return this.event_
};
goog.events.Listenable = function () { };
goog.events.Listenable.IMPLEMENTED_BY_PROP = "closure_listenable_" + (1E6 * Math.random() | 0);
goog.events.Listenable.addImplementation = function (a) {
	a.prototype[goog.events.Listenable.IMPLEMENTED_BY_PROP] = !0
};
goog.events.Listenable.isImplementedBy = function (a) {
	return !(!a || !a[goog.events.Listenable.IMPLEMENTED_BY_PROP])
};
goog.events.ListenableKey = function () { };
goog.events.ListenableKey.counter_ = 0;
goog.events.ListenableKey.reserveKey = function () {
	return ++goog.events.ListenableKey.counter_
};
goog.events.Listener = function (a, b, c, d, e, f) {
	goog.events.Listener.ENABLE_MONITORING && (this.creationStack = Error().stack);
	this.listener = a;
	this.proxy = b;
	this.src = c;
	this.type = d;
	this.capture = !!e;
	this.handler = f;
	this.key = goog.events.ListenableKey.reserveKey();
	this.removed = this.callOnce = !1
};
goog.events.Listener.ENABLE_MONITORING = !1;
goog.events.Listener.prototype.markAsRemoved = function () {
	this.removed = !0;
	this.handler = this.src = this.proxy = this.listener = null
};
goog.events.ListenerMap = function (a) {
	this.src = a;
	this.listeners = {};
	this.typeCount_ = 0
};
goog.events.ListenerMap.prototype.getTypeCount = function () {
	return this.typeCount_
};
goog.events.ListenerMap.prototype.getListenerCount = function () {
	var a = 0,
		b;
	for (b in this.listeners) a += this.listeners[b].length;
	return a
};
goog.events.ListenerMap.prototype.add = function (a, b, c, d, e) {
	var f = a.toString();
	a = this.listeners[f];
	a || (a = this.listeners[f] = [], this.typeCount_++);
	var g = goog.events.ListenerMap.findListenerIndex_(a, b, d, e); -1 < g ? (b = a[g], c || (b.callOnce = !1)) : (b = new goog.events.Listener(b, null, this.src, f, !!d, e), b.callOnce = c, a.push(b));
	return b
};
goog.events.ListenerMap.prototype.remove = function (a, b, c, d) {
	a = a.toString();
	if (!(a in this.listeners)) return !1;
	var e = this.listeners[a];
	b = goog.events.ListenerMap.findListenerIndex_(e, b, c, d);
	return -1 < b ? (e[b].markAsRemoved(), goog.array.removeAt(e, b), 0 == e.length && (delete this.listeners[a], this.typeCount_--), !0) : !1
};
goog.events.ListenerMap.prototype.removeByKey = function (a) {
	var b = a.type;
	if (!(b in this.listeners)) return !1;
	var c = goog.array.remove(this.listeners[b], a);
	c && (a.markAsRemoved(), 0 == this.listeners[b].length && (delete this.listeners[b], this.typeCount_--));
	return c
};
goog.events.ListenerMap.prototype.removeAll = function (a) {
	a = a && a.toString();
	var b = 0,
		c;
	for (c in this.listeners)
		if (!a || c == a) {
			for (var d = this.listeners[c], e = 0; e < d.length; e++)++b, d[e].markAsRemoved();
			delete this.listeners[c];
			this.typeCount_--
		}
	return b
};
goog.events.ListenerMap.prototype.getListeners = function (a, b) {
	var c = this.listeners[a.toString()],
		d = [];
	if (c)
		for (var e = 0; e < c.length; ++e) {
			var f = c[e];
			f.capture == b && d.push(f)
		}
	return d
};
goog.events.ListenerMap.prototype.getListener = function (a, b, c, d) {
	a = this.listeners[a.toString()];
	var e = -1;
	a && (e = goog.events.ListenerMap.findListenerIndex_(a, b, c, d));
	return -1 < e ? a[e] : null
};
goog.events.ListenerMap.prototype.hasListener = function (a, b) {
	var c = goog.isDef(a),
		d = c ? a.toString() : "",
		e = goog.isDef(b);
	return goog.object.some(this.listeners, function (a, g) {
		for (var f = 0; f < a.length; ++f)
			if (!(c && a[f].type != d || e && a[f].capture != b)) return !0;
		return !1
	})
};
goog.events.ListenerMap.findListenerIndex_ = function (a, b, c, d) {
	for (var e = 0; e < a.length; ++e) {
		var f = a[e];
		if (!f.removed && f.listener == b && f.capture == !!c && f.handler == d) return e
	}
	return -1
};
goog.events.LISTENER_MAP_PROP_ = "closure_lm_" + (1E6 * Math.random() | 0);
goog.events.onString_ = "on";
goog.events.onStringMap_ = {};
goog.events.CaptureSimulationMode = {
	OFF_AND_FAIL: 0,
	OFF_AND_SILENT: 1,
	ON: 2
};
goog.events.CAPTURE_SIMULATION_MODE = 2;
goog.events.listenerCountEstimate_ = 0;
goog.events.listen = function (a, b, c, d, e) {
	if (goog.isArray(b)) {
		for (var f = 0; f < b.length; f++) goog.events.listen(a, b[f], c, d, e);
		return null
	}
	c = goog.events.wrapListener(c);
	return goog.events.Listenable.isImplementedBy(a) ? a.listen(b, c, d, e) : goog.events.listen_(a, b, c, !1, d, e)
};
goog.events.listen_ = function (a, b, c, d, e, f) {
	if (!b) throw Error("Invalid event type");
	var g = !!e;
	if (g && !goog.events.BrowserFeature.HAS_W3C_EVENT_SUPPORT) {
		if (goog.events.CAPTURE_SIMULATION_MODE == goog.events.CaptureSimulationMode.OFF_AND_FAIL) return goog.asserts.fail("Can not register capture listener in IE8-."), null;
		if (goog.events.CAPTURE_SIMULATION_MODE == goog.events.CaptureSimulationMode.OFF_AND_SILENT) return null
	}
	var h = goog.events.getListenerMap_(a);
	h || (a[goog.events.LISTENER_MAP_PROP_] = h = new goog.events.ListenerMap(a));
	c = h.add(b, c, d, e, f);
	if (c.proxy) return c;
	d = goog.events.getProxy();
	c.proxy = d;
	d.src = a;
	d.listener = c;
	if (a.addEventListener) a.addEventListener(b.toString(), d, g);
	else if (a.attachEvent) a.attachEvent(goog.events.getOnString_(b.toString()), d);
	else throw Error("addEventListener and attachEvent are unavailable.");
	goog.events.listenerCountEstimate_++;
	return c
};
goog.events.getProxy = function () {
	var a = goog.events.handleBrowserEvent_,
		b = goog.events.BrowserFeature.HAS_W3C_EVENT_SUPPORT ? function (c) {
        	return a.call(b.src, b.listener, c)
		} : function (c) {
        	c = a.call(b.src, b.listener, c);
        	if (!c) return c
		};
	return b
};
goog.events.listenOnce = function (a, b, c, d, e) {
	if (goog.isArray(b)) {
		for (var f = 0; f < b.length; f++) goog.events.listenOnce(a, b[f], c, d, e);
		return null
	}
	c = goog.events.wrapListener(c);
	return goog.events.Listenable.isImplementedBy(a) ? a.listenOnce(b, c, d, e) : goog.events.listen_(a, b, c, !0, d, e)
};
goog.events.listenWithWrapper = function (a, b, c, d, e) {
	b.listen(a, c, d, e)
};
goog.events.unlisten = function (a, b, c, d, e) {
	if (goog.isArray(b)) {
		for (var f = 0; f < b.length; f++) goog.events.unlisten(a, b[f], c, d, e);
		return null
	}
	c = goog.events.wrapListener(c);
	if (goog.events.Listenable.isImplementedBy(a)) return a.unlisten(b, c, d, e);
	if (!a) return !1;
	d = !!d;
	if (a = goog.events.getListenerMap_(a))
		if (b = a.getListener(b, c, d, e)) return goog.events.unlistenByKey(b);
	return !1
};
goog.events.unlistenByKey = function (a) {
	if (goog.isNumber(a) || !a || a.removed) return !1;
	var b = a.src;
	if (goog.events.Listenable.isImplementedBy(b)) return b.unlistenByKey(a);
	var c = a.type,
		d = a.proxy;
	b.removeEventListener ? b.removeEventListener(c, d, a.capture) : b.detachEvent && b.detachEvent(goog.events.getOnString_(c), d);
	goog.events.listenerCountEstimate_--;
	(c = goog.events.getListenerMap_(b)) ? (c.removeByKey(a), 0 == c.getTypeCount() && (c.src = null, b[goog.events.LISTENER_MAP_PROP_] = null)) : a.markAsRemoved();
	return !0
};
goog.events.unlistenWithWrapper = function (a, b, c, d, e) {
	b.unlisten(a, c, d, e)
};
goog.events.removeAll = function (a, b) {
	if (!a) return 0;
	if (goog.events.Listenable.isImplementedBy(a)) return a.removeAllListeners(b);
	var c = goog.events.getListenerMap_(a);
	if (!c) return 0;
	var d = 0,
		e = b && b.toString(),
		f;
	for (f in c.listeners)
		if (!e || f == e)
			for (var g = c.listeners[f].concat(), h = 0; h < g.length; ++h) goog.events.unlistenByKey(g[h]) && ++d;
	return d
};
goog.events.getListeners = function (a, b, c) {
	return goog.events.Listenable.isImplementedBy(a) ? a.getListeners(b, c) : a ? (a = goog.events.getListenerMap_(a)) ? a.getListeners(b, c) : [] : []
};
goog.events.getListener = function (a, b, c, d, e) {
	c = goog.events.wrapListener(c);
	d = !!d;
	return goog.events.Listenable.isImplementedBy(a) ? a.getListener(b, c, d, e) : a ? (a = goog.events.getListenerMap_(a)) ? a.getListener(b, c, d, e) : null : null
};
goog.events.hasListener = function (a, b, c) {
	if (goog.events.Listenable.isImplementedBy(a)) return a.hasListener(b, c);
	a = goog.events.getListenerMap_(a);
	return !!a && a.hasListener(b, c)
};
goog.events.expose = function (a) {
	var b = [],
		c;
	for (c in a) a[c] && a[c].id ? b.push(c + " = " + a[c] + " (" + a[c].id + ")") : b.push(c + " = " + a[c]);
	return b.join("\n")
};
goog.events.getOnString_ = function (a) {
	return a in goog.events.onStringMap_ ? goog.events.onStringMap_[a] : goog.events.onStringMap_[a] = goog.events.onString_ + a
};
goog.events.fireListeners = function (a, b, c, d) {
	return goog.events.Listenable.isImplementedBy(a) ? a.fireListeners(b, c, d) : goog.events.fireListeners_(a, b, c, d)
};
goog.events.fireListeners_ = function (a, b, c, d) {
	var e = !0;
	if (a = goog.events.getListenerMap_(a))
		if (b = a.listeners[b.toString()])
			for (b = b.concat(), a = 0; a < b.length; a++) {
				var f = b[a];
				f && f.capture == c && !f.removed && (f = goog.events.fireListener(f, d), e = e && !1 !== f)
			}
	return e
};
goog.events.fireListener = function (a, b) {
	var c = a.listener,
		d = a.handler || a.src;
	a.callOnce && goog.events.unlistenByKey(a);
	return c.call(d, b)
};
goog.events.getTotalListenerCount = function () {
	return goog.events.listenerCountEstimate_
};
goog.events.dispatchEvent = function (a, b) {
	goog.asserts.assert(goog.events.Listenable.isImplementedBy(a), "Can not use goog.events.dispatchEvent with non-goog.events.Listenable instance.");
	return a.dispatchEvent(b)
};
goog.events.protectBrowserEventEntryPoint = function (a) {
	goog.events.handleBrowserEvent_ = a.protectEntryPoint(goog.events.handleBrowserEvent_)
};
goog.events.handleBrowserEvent_ = function (a, b) {
	if (a.removed) return !0;
	if (!goog.events.BrowserFeature.HAS_W3C_EVENT_SUPPORT) {
		var c = b || goog.getObjectByName("window.event"),
			d = new goog.events.BrowserEvent(c, this),
			e = !0;
		if (goog.events.CAPTURE_SIMULATION_MODE == goog.events.CaptureSimulationMode.ON) {
			if (!goog.events.isMarkedIeEvent_(c)) {
				goog.events.markIeEvent_(c);
				for (var c = [], f = d.currentTarget; f; f = f.parentNode) c.push(f);
				for (var f = a.type, g = c.length - 1; !d.propagationStopped_ && 0 <= g; g--) {
					d.currentTarget = c[g];
					var h =
						goog.events.fireListeners_(c[g], f, !0, d),
						e = e && h
				}
				for (g = 0; !d.propagationStopped_ && g < c.length; g++) d.currentTarget = c[g], h = goog.events.fireListeners_(c[g], f, !1, d), e = e && h
			}
		} else e = goog.events.fireListener(a, d);
		return e
	}
	return goog.events.fireListener(a, new goog.events.BrowserEvent(b, this))
};
goog.events.markIeEvent_ = function (a) {
	var b = !1;
	if (0 == a.keyCode) try {
		a.keyCode = -1;
		return
	} catch (c) {
		b = !0
	}
	if (b || void 0 == a.returnValue) a.returnValue = !0
};
goog.events.isMarkedIeEvent_ = function (a) {
	return 0 > a.keyCode || void 0 != a.returnValue
};
goog.events.uniqueIdCounter_ = 0;
goog.events.getUniqueId = function (a) {
	return a + "_" + goog.events.uniqueIdCounter_++
};
goog.events.getListenerMap_ = function (a) {
	a = a[goog.events.LISTENER_MAP_PROP_];
	return a instanceof goog.events.ListenerMap ? a : null
};
goog.events.LISTENER_WRAPPER_PROP_ = "__closure_events_fn_" + (1E9 * Math.random() >>> 0);
goog.events.wrapListener = function (a) {
	goog.asserts.assert(a, "Listener can not be null.");
	if (goog.isFunction(a)) return a;
	goog.asserts.assert(a.handleEvent, "An object listener must have handleEvent method.");
	a[goog.events.LISTENER_WRAPPER_PROP_] || (a[goog.events.LISTENER_WRAPPER_PROP_] = function (b) {
		return a.handleEvent(b)
	});
	return a[goog.events.LISTENER_WRAPPER_PROP_]
};
goog.debug.entryPointRegistry.register(function (a) {
	goog.events.handleBrowserEvent_ = a(goog.events.handleBrowserEvent_)
});
goog.math = {};
goog.math.randomInt = function (a) {
	return Math.floor(Math.random() * a)
};
goog.math.uniformRandom = function (a, b) {
	return a + Math.random() * (b - a)
};
goog.math.clamp = function (a, b, c) {
	return Math.min(Math.max(a, b), c)
};
goog.math.modulo = function (a, b) {
	var c = a % b;
	return 0 > c * b ? c + b : c
};
goog.math.lerp = function (a, b, c) {
	return a + c * (b - a)
};
goog.math.nearlyEquals = function (a, b, c) {
	return Math.abs(a - b) <= (c || 1E-6)
};
goog.math.standardAngle = function (a) {
	return goog.math.modulo(a, 360)
};
goog.math.standardAngleInRadians = function (a) {
	return goog.math.modulo(a, 2 * Math.PI)
};
goog.math.toRadians = function (a) {
	return a * Math.PI / 180
};
goog.math.toDegrees = function (a) {
	return 180 * a / Math.PI
};
goog.math.angleDx = function (a, b) {
	return b * Math.cos(goog.math.toRadians(a))
};
goog.math.angleDy = function (a, b) {
	return b * Math.sin(goog.math.toRadians(a))
};
goog.math.angle = function (a, b, c, d) {
	return goog.math.standardAngle(goog.math.toDegrees(Math.atan2(d - b, c - a)))
};
goog.math.angleDifference = function (a, b) {
	var c = goog.math.standardAngle(b) - goog.math.standardAngle(a);
	180 < c ? c -= 360 : -180 >= c && (c = 360 + c);
	return c
};
goog.math.sign = function (a) {
	return 0 < a ? 1 : 0 > a ? -1 : a
};
goog.math.longestCommonSubsequence = function (a, b, c, d) {
	c = c || function (a, b) {
		return a == b
	};
	d = d || function (b, c) {
		return a[b]
	};
	for (var e = a.length, f = b.length, g = [], h = 0; h < e + 1; h++) g[h] = [], g[h][0] = 0;
	for (var k = 0; k < f + 1; k++) g[0][k] = 0;
	for (h = 1; h <= e; h++)
		for (k = 1; k <= f; k++) c(a[h - 1], b[k - 1]) ? g[h][k] = g[h - 1][k - 1] + 1 : g[h][k] = Math.max(g[h - 1][k], g[h][k - 1]);
	for (var m = [], h = e, k = f; 0 < h && 0 < k;) c(a[h - 1], b[k - 1]) ? (m.unshift(d(h - 1, k - 1)), h--, k--) : g[h - 1][k] > g[h][k - 1] ? h-- : k--;
	return m
};
goog.math.sum = function (a) {
	return goog.array.reduce(arguments, function (a, c) {
		return a + c
	}, 0)
};
goog.math.average = function (a) {
	return goog.math.sum.apply(null, arguments) / arguments.length
};
goog.math.sampleVariance = function (a) {
	var b = arguments.length;
	if (2 > b) return 0;
	var c = goog.math.average.apply(null, arguments);
	return goog.math.sum.apply(null, goog.array.map(arguments, function (a) {
		return Math.pow(a - c, 2)
	})) / (b - 1)
};
goog.math.standardDeviation = function (a) {
	return Math.sqrt(goog.math.sampleVariance.apply(null, arguments))
};
goog.math.isInt = function (a) {
	return isFinite(a) && 0 == a % 1
};
goog.math.isFiniteNumber = function (a) {
	return isFinite(a) && !isNaN(a)
};
goog.math.isNegativeZero = function (a) {
	return 0 == a && 0 > 1 / a
};
goog.math.log10Floor = function (a) {
	if (0 < a) {
		var b = Math.round(Math.log(a) * Math.LOG10E);
		return b - (parseFloat("1e" + b) > a ? 1 : 0)
	}
	return 0 == a ? -Infinity : NaN
};
goog.math.safeFloor = function (a, b) {
	goog.asserts.assert(!goog.isDef(b) || 0 < b);
	return Math.floor(a + (b || 2E-15))
};
goog.math.safeCeil = function (a, b) {
	goog.asserts.assert(!goog.isDef(b) || 0 < b);
	return Math.ceil(a - (b || 2E-15))
};
goog.dom.BrowserFeature = {
	CAN_ADD_NAME_OR_TYPE_ATTRIBUTES: !goog.userAgent.IE || goog.userAgent.isDocumentModeOrHigher(9),
	CAN_USE_CHILDREN_ATTRIBUTE: !goog.userAgent.GECKO && !goog.userAgent.IE || goog.userAgent.IE && goog.userAgent.isDocumentModeOrHigher(9) || goog.userAgent.GECKO && goog.userAgent.isVersionOrHigher("1.9.1"),
	CAN_USE_INNER_TEXT: goog.userAgent.IE && !goog.userAgent.isVersionOrHigher("9"),
	CAN_USE_PARENT_ELEMENT_PROPERTY: goog.userAgent.IE || goog.userAgent.OPERA || goog.userAgent.WEBKIT,
	INNER_HTML_NEEDS_SCOPED_ELEMENT: goog.userAgent.IE,
	LEGACY_IE_RANGES: goog.userAgent.IE && !goog.userAgent.isDocumentModeOrHigher(9)
};
goog.dom.TagName = function (a) {
	this.tagName_ = a
};
goog.dom.TagName.prototype.toString = function () {
	return this.tagName_
};
goog.dom.TagName.A = new goog.dom.TagName("A");
goog.dom.TagName.ABBR = new goog.dom.TagName("ABBR");
goog.dom.TagName.ACRONYM = new goog.dom.TagName("ACRONYM");
goog.dom.TagName.ADDRESS = new goog.dom.TagName("ADDRESS");
goog.dom.TagName.APPLET = new goog.dom.TagName("APPLET");
goog.dom.TagName.AREA = new goog.dom.TagName("AREA");
goog.dom.TagName.ARTICLE = new goog.dom.TagName("ARTICLE");
goog.dom.TagName.ASIDE = new goog.dom.TagName("ASIDE");
goog.dom.TagName.AUDIO = new goog.dom.TagName("AUDIO");
goog.dom.TagName.B = new goog.dom.TagName("B");
goog.dom.TagName.BASE = new goog.dom.TagName("BASE");
goog.dom.TagName.BASEFONT = new goog.dom.TagName("BASEFONT");
goog.dom.TagName.BDI = new goog.dom.TagName("BDI");
goog.dom.TagName.BDO = new goog.dom.TagName("BDO");
goog.dom.TagName.BIG = new goog.dom.TagName("BIG");
goog.dom.TagName.BLOCKQUOTE = new goog.dom.TagName("BLOCKQUOTE");
goog.dom.TagName.BODY = new goog.dom.TagName("BODY");
goog.dom.TagName.BR = new goog.dom.TagName("BR");
goog.dom.TagName.BUTTON = new goog.dom.TagName("BUTTON");
goog.dom.TagName.CANVAS = new goog.dom.TagName("CANVAS");
goog.dom.TagName.CAPTION = new goog.dom.TagName("CAPTION");
goog.dom.TagName.CENTER = new goog.dom.TagName("CENTER");
goog.dom.TagName.CITE = new goog.dom.TagName("CITE");
goog.dom.TagName.CODE = new goog.dom.TagName("CODE");
goog.dom.TagName.COL = new goog.dom.TagName("COL");
goog.dom.TagName.COLGROUP = new goog.dom.TagName("COLGROUP");
goog.dom.TagName.COMMAND = new goog.dom.TagName("COMMAND");
goog.dom.TagName.DATA = new goog.dom.TagName("DATA");
goog.dom.TagName.DATALIST = new goog.dom.TagName("DATALIST");
goog.dom.TagName.DD = new goog.dom.TagName("DD");
goog.dom.TagName.DEL = new goog.dom.TagName("DEL");
goog.dom.TagName.DETAILS = new goog.dom.TagName("DETAILS");
goog.dom.TagName.DFN = new goog.dom.TagName("DFN");
goog.dom.TagName.DIALOG = new goog.dom.TagName("DIALOG");
goog.dom.TagName.DIR = new goog.dom.TagName("DIR");
goog.dom.TagName.DIV = new goog.dom.TagName("DIV");
goog.dom.TagName.DL = new goog.dom.TagName("DL");
goog.dom.TagName.DT = new goog.dom.TagName("DT");
goog.dom.TagName.EM = new goog.dom.TagName("EM");
goog.dom.TagName.EMBED = new goog.dom.TagName("EMBED");
goog.dom.TagName.FIELDSET = new goog.dom.TagName("FIELDSET");
goog.dom.TagName.FIGCAPTION = new goog.dom.TagName("FIGCAPTION");
goog.dom.TagName.FIGURE = new goog.dom.TagName("FIGURE");
goog.dom.TagName.FONT = new goog.dom.TagName("FONT");
goog.dom.TagName.FOOTER = new goog.dom.TagName("FOOTER");
goog.dom.TagName.FORM = new goog.dom.TagName("FORM");
goog.dom.TagName.FRAME = new goog.dom.TagName("FRAME");
goog.dom.TagName.FRAMESET = new goog.dom.TagName("FRAMESET");
goog.dom.TagName.H1 = new goog.dom.TagName("H1");
goog.dom.TagName.H2 = new goog.dom.TagName("H2");
goog.dom.TagName.H3 = new goog.dom.TagName("H3");
goog.dom.TagName.H4 = new goog.dom.TagName("H4");
goog.dom.TagName.H5 = new goog.dom.TagName("H5");
goog.dom.TagName.H6 = new goog.dom.TagName("H6");
goog.dom.TagName.HEAD = new goog.dom.TagName("HEAD");
goog.dom.TagName.HEADER = new goog.dom.TagName("HEADER");
goog.dom.TagName.HGROUP = new goog.dom.TagName("HGROUP");
goog.dom.TagName.HR = new goog.dom.TagName("HR");
goog.dom.TagName.HTML = new goog.dom.TagName("HTML");
goog.dom.TagName.I = new goog.dom.TagName("I");
goog.dom.TagName.IFRAME = new goog.dom.TagName("IFRAME");
goog.dom.TagName.IMG = new goog.dom.TagName("IMG");
goog.dom.TagName.INPUT = new goog.dom.TagName("INPUT");
goog.dom.TagName.INS = new goog.dom.TagName("INS");
goog.dom.TagName.ISINDEX = new goog.dom.TagName("ISINDEX");
goog.dom.TagName.KBD = new goog.dom.TagName("KBD");
goog.dom.TagName.KEYGEN = new goog.dom.TagName("KEYGEN");
goog.dom.TagName.LABEL = new goog.dom.TagName("LABEL");
goog.dom.TagName.LEGEND = new goog.dom.TagName("LEGEND");
goog.dom.TagName.LI = new goog.dom.TagName("LI");
goog.dom.TagName.LINK = new goog.dom.TagName("LINK");
goog.dom.TagName.MAP = new goog.dom.TagName("MAP");
goog.dom.TagName.MARK = new goog.dom.TagName("MARK");
goog.dom.TagName.MATH = new goog.dom.TagName("MATH");
goog.dom.TagName.MENU = new goog.dom.TagName("MENU");
goog.dom.TagName.META = new goog.dom.TagName("META");
goog.dom.TagName.METER = new goog.dom.TagName("METER");
goog.dom.TagName.NAV = new goog.dom.TagName("NAV");
goog.dom.TagName.NOFRAMES = new goog.dom.TagName("NOFRAMES");
goog.dom.TagName.NOSCRIPT = new goog.dom.TagName("NOSCRIPT");
goog.dom.TagName.OBJECT = new goog.dom.TagName("OBJECT");
goog.dom.TagName.OL = new goog.dom.TagName("OL");
goog.dom.TagName.OPTGROUP = new goog.dom.TagName("OPTGROUP");
goog.dom.TagName.OPTION = new goog.dom.TagName("OPTION");
goog.dom.TagName.OUTPUT = new goog.dom.TagName("OUTPUT");
goog.dom.TagName.P = new goog.dom.TagName("P");
goog.dom.TagName.PARAM = new goog.dom.TagName("PARAM");
goog.dom.TagName.PRE = new goog.dom.TagName("PRE");
goog.dom.TagName.PROGRESS = new goog.dom.TagName("PROGRESS");
goog.dom.TagName.Q = new goog.dom.TagName("Q");
goog.dom.TagName.RP = new goog.dom.TagName("RP");
goog.dom.TagName.RT = new goog.dom.TagName("RT");
goog.dom.TagName.RUBY = new goog.dom.TagName("RUBY");
goog.dom.TagName.S = new goog.dom.TagName("S");
goog.dom.TagName.SAMP = new goog.dom.TagName("SAMP");
goog.dom.TagName.SCRIPT = new goog.dom.TagName("SCRIPT");
goog.dom.TagName.SECTION = new goog.dom.TagName("SECTION");
goog.dom.TagName.SELECT = new goog.dom.TagName("SELECT");
goog.dom.TagName.SMALL = new goog.dom.TagName("SMALL");
goog.dom.TagName.SOURCE = new goog.dom.TagName("SOURCE");
goog.dom.TagName.SPAN = new goog.dom.TagName("SPAN");
goog.dom.TagName.STRIKE = new goog.dom.TagName("STRIKE");
goog.dom.TagName.STRONG = new goog.dom.TagName("STRONG");
goog.dom.TagName.STYLE = new goog.dom.TagName("STYLE");
goog.dom.TagName.SUB = new goog.dom.TagName("SUB");
goog.dom.TagName.SUMMARY = new goog.dom.TagName("SUMMARY");
goog.dom.TagName.SUP = new goog.dom.TagName("SUP");
goog.dom.TagName.SVG = new goog.dom.TagName("SVG");
goog.dom.TagName.TABLE = new goog.dom.TagName("TABLE");
goog.dom.TagName.TBODY = new goog.dom.TagName("TBODY");
goog.dom.TagName.TD = new goog.dom.TagName("TD");
goog.dom.TagName.TEMPLATE = new goog.dom.TagName("TEMPLATE");
goog.dom.TagName.TEXTAREA = new goog.dom.TagName("TEXTAREA");
goog.dom.TagName.TFOOT = new goog.dom.TagName("TFOOT");
goog.dom.TagName.TH = new goog.dom.TagName("TH");
goog.dom.TagName.THEAD = new goog.dom.TagName("THEAD");
goog.dom.TagName.TIME = new goog.dom.TagName("TIME");
goog.dom.TagName.TITLE = new goog.dom.TagName("TITLE");
goog.dom.TagName.TR = new goog.dom.TagName("TR");
goog.dom.TagName.TRACK = new goog.dom.TagName("TRACK");
goog.dom.TagName.TT = new goog.dom.TagName("TT");
goog.dom.TagName.U = new goog.dom.TagName("U");
goog.dom.TagName.UL = new goog.dom.TagName("UL");
goog.dom.TagName.VAR = new goog.dom.TagName("VAR");
goog.dom.TagName.VIDEO = new goog.dom.TagName("VIDEO");
goog.dom.TagName.WBR = new goog.dom.TagName("WBR");
goog.dom.tags = {};
goog.dom.tags.VOID_TAGS_ = {
	area: !0,
	base: !0,
	br: !0,
	col: !0,
	command: !0,
	embed: !0,
	hr: !0,
	img: !0,
	input: !0,
	keygen: !0,
	link: !0,
	meta: !0,
	param: !0,
	source: !0,
	track: !0,
	wbr: !0
};
goog.dom.tags.isVoidTag = function (a) {
	return !0 === goog.dom.tags.VOID_TAGS_[a]
};
goog.string.TypedString = function () { };
goog.string.Const = function () {
	this.stringConstValueWithSecurityContract__googStringSecurityPrivate_ = "";
	this.STRING_CONST_TYPE_MARKER__GOOG_STRING_SECURITY_PRIVATE_ = goog.string.Const.TYPE_MARKER_
};
goog.string.Const.prototype.implementsGoogStringTypedString = !0;
goog.string.Const.prototype.getTypedStringValue = function () {
	return this.stringConstValueWithSecurityContract__googStringSecurityPrivate_
};
goog.string.Const.prototype.toString = function () {
	return "Const{" + this.stringConstValueWithSecurityContract__googStringSecurityPrivate_ + "}"
};
goog.string.Const.unwrap = function (a) {
	if (a instanceof goog.string.Const && a.constructor === goog.string.Const && a.STRING_CONST_TYPE_MARKER__GOOG_STRING_SECURITY_PRIVATE_ === goog.string.Const.TYPE_MARKER_) return a.stringConstValueWithSecurityContract__googStringSecurityPrivate_;
	goog.asserts.fail("expected object of type Const, got '" + a + "'");
	return "type_error:Const"
};
goog.string.Const.from = function (a) {
	return goog.string.Const.create__googStringSecurityPrivate_(a)
};
goog.string.Const.TYPE_MARKER_ = {};
goog.string.Const.create__googStringSecurityPrivate_ = function (a) {
	var b = new goog.string.Const;
	b.stringConstValueWithSecurityContract__googStringSecurityPrivate_ = a;
	return b
};
goog.string.Const.EMPTY = goog.string.Const.from("");
goog.html = {};
goog.html.SafeStyle = function () {
	this.privateDoNotAccessOrElseSafeStyleWrappedValue_ = "";
	this.SAFE_STYLE_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ = goog.html.SafeStyle.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_
};
goog.html.SafeStyle.prototype.implementsGoogStringTypedString = !0;
goog.html.SafeStyle.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ = {};
goog.html.SafeStyle.fromConstant = function (a) {
	a = goog.string.Const.unwrap(a);
	if (0 === a.length) return goog.html.SafeStyle.EMPTY;
	goog.html.SafeStyle.checkStyle_(a);
	goog.asserts.assert(goog.string.endsWith(a, ";"), "Last character of style string is not ';': " + a);
	goog.asserts.assert(goog.string.contains(a, ":"), "Style string must contain at least one ':', to specify a \"name: value\" pair: " + a);
	return goog.html.SafeStyle.createSafeStyleSecurityPrivateDoNotAccessOrElse(a)
};
goog.html.SafeStyle.checkStyle_ = function (a) {
	goog.asserts.assert(!/[<>]/.test(a), "Forbidden characters in style string: " + a)
};
goog.html.SafeStyle.prototype.getTypedStringValue = function () {
	return this.privateDoNotAccessOrElseSafeStyleWrappedValue_
};
goog.DEBUG && (goog.html.SafeStyle.prototype.toString = function () {
	return "SafeStyle{" + this.privateDoNotAccessOrElseSafeStyleWrappedValue_ + "}"
});
goog.html.SafeStyle.unwrap = function (a) {
	if (a instanceof goog.html.SafeStyle && a.constructor === goog.html.SafeStyle && a.SAFE_STYLE_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ === goog.html.SafeStyle.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_) return a.privateDoNotAccessOrElseSafeStyleWrappedValue_;
	goog.asserts.fail("expected object of type SafeStyle, got '" + a + "' of type " + goog.typeOf(a));
	return "type_error:SafeStyle"
};
goog.html.SafeStyle.createSafeStyleSecurityPrivateDoNotAccessOrElse = function (a) {
	return (new goog.html.SafeStyle).initSecurityPrivateDoNotAccessOrElse_(a)
};
goog.html.SafeStyle.prototype.initSecurityPrivateDoNotAccessOrElse_ = function (a) {
	this.privateDoNotAccessOrElseSafeStyleWrappedValue_ = a;
	return this
};
goog.html.SafeStyle.EMPTY = goog.html.SafeStyle.createSafeStyleSecurityPrivateDoNotAccessOrElse("");
goog.html.SafeStyle.INNOCUOUS_STRING = "zClosurez";
goog.html.SafeStyle.create = function (a) {
	var b = "",
		c;
	for (c in a) {
		if (!/^[-_a-zA-Z0-9]+$/.test(c)) throw Error("Name allows only [-_a-zA-Z0-9], got: " + c);
		var d = a[c];
		null != d && (d instanceof goog.string.Const ? (d = goog.string.Const.unwrap(d), goog.asserts.assert(!/[{;}]/.test(d), "Value does not allow [{;}].")) : goog.html.SafeStyle.VALUE_RE_.test(d) ? goog.html.SafeStyle.hasBalancedQuotes_(d) || (goog.asserts.fail("String value requires balanced quotes, got: " + d), d = goog.html.SafeStyle.INNOCUOUS_STRING) : (goog.asserts.fail("String value allows only [-,.\"'%_!# a-zA-Z0-9], rgb() and rgba(), got: " +
			d), d = goog.html.SafeStyle.INNOCUOUS_STRING), b += c + ":" + d + ";")
	}
	if (!b) return goog.html.SafeStyle.EMPTY;
	goog.html.SafeStyle.checkStyle_(b);
	return goog.html.SafeStyle.createSafeStyleSecurityPrivateDoNotAccessOrElse(b)
};
goog.html.SafeStyle.hasBalancedQuotes_ = function (a) {
	for (var b = !0, c = !0, d = 0; d < a.length; d++) {
		var e = a.charAt(d);
		"'" == e && c ? b = !b : '"' == e && b && (c = !c)
	}
	return b && c
};
goog.html.SafeStyle.VALUE_RE_ = /^([-,."'%_!# a-zA-Z0-9]+|(?:rgb|hsl)a?\([0-9.%, ]+\))$/;
goog.html.SafeStyle.concat = function (a) {
	var b = "",
		c = function (a) {
        	goog.isArray(a) ? goog.array.forEach(a, c) : b += goog.html.SafeStyle.unwrap(a)
		};
	goog.array.forEach(arguments, c);
	return b ? goog.html.SafeStyle.createSafeStyleSecurityPrivateDoNotAccessOrElse(b) : goog.html.SafeStyle.EMPTY
};
goog.html.SafeStyleSheet = function () {
	this.privateDoNotAccessOrElseSafeStyleSheetWrappedValue_ = "";
	this.SAFE_STYLE_SHEET_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ = goog.html.SafeStyleSheet.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_
};
goog.html.SafeStyleSheet.prototype.implementsGoogStringTypedString = !0;
goog.html.SafeStyleSheet.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ = {};
goog.html.SafeStyleSheet.concat = function (a) {
	var b = "",
		c = function (a) {
        	goog.isArray(a) ? goog.array.forEach(a, c) : b += goog.html.SafeStyleSheet.unwrap(a)
		};
	goog.array.forEach(arguments, c);
	return goog.html.SafeStyleSheet.createSafeStyleSheetSecurityPrivateDoNotAccessOrElse(b)
};
goog.html.SafeStyleSheet.fromConstant = function (a) {
	a = goog.string.Const.unwrap(a);
	if (0 === a.length) return goog.html.SafeStyleSheet.EMPTY;
	goog.asserts.assert(!goog.string.contains(a, "<"), "Forbidden '<' character in style sheet string: " + a);
	return goog.html.SafeStyleSheet.createSafeStyleSheetSecurityPrivateDoNotAccessOrElse(a)
};
goog.html.SafeStyleSheet.prototype.getTypedStringValue = function () {
	return this.privateDoNotAccessOrElseSafeStyleSheetWrappedValue_
};
goog.DEBUG && (goog.html.SafeStyleSheet.prototype.toString = function () {
	return "SafeStyleSheet{" + this.privateDoNotAccessOrElseSafeStyleSheetWrappedValue_ + "}"
});
goog.html.SafeStyleSheet.unwrap = function (a) {
	if (a instanceof goog.html.SafeStyleSheet && a.constructor === goog.html.SafeStyleSheet && a.SAFE_STYLE_SHEET_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ === goog.html.SafeStyleSheet.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_) return a.privateDoNotAccessOrElseSafeStyleSheetWrappedValue_;
	goog.asserts.fail("expected object of type SafeStyleSheet, got '" + a + "' of type " + goog.typeOf(a));
	return "type_error:SafeStyleSheet"
};
goog.html.SafeStyleSheet.createSafeStyleSheetSecurityPrivateDoNotAccessOrElse = function (a) {
	return (new goog.html.SafeStyleSheet).initSecurityPrivateDoNotAccessOrElse_(a)
};
goog.html.SafeStyleSheet.prototype.initSecurityPrivateDoNotAccessOrElse_ = function (a) {
	this.privateDoNotAccessOrElseSafeStyleSheetWrappedValue_ = a;
	return this
};
goog.html.SafeStyleSheet.EMPTY = goog.html.SafeStyleSheet.createSafeStyleSheetSecurityPrivateDoNotAccessOrElse("");
goog.fs = {};
goog.fs.url = {};
goog.fs.url.createObjectUrl = function (a) {
	return goog.fs.url.getUrlObject_().createObjectURL(a)
};
goog.fs.url.revokeObjectUrl = function (a) {
	goog.fs.url.getUrlObject_().revokeObjectURL(a)
};
goog.fs.url.getUrlObject_ = function () {
	var a = goog.fs.url.findUrlObject_();
	if (null != a) return a;
	throw Error("This browser doesn't seem to support blob URLs");
};
goog.fs.url.findUrlObject_ = function () {
	return goog.isDef(goog.global.URL) && goog.isDef(goog.global.URL.createObjectURL) ? goog.global.URL : goog.isDef(goog.global.webkitURL) && goog.isDef(goog.global.webkitURL.createObjectURL) ? goog.global.webkitURL : goog.isDef(goog.global.createObjectURL) ? goog.global : null
};
goog.fs.url.browserSupportsObjectUrls = function () {
	return null != goog.fs.url.findUrlObject_()
};
goog.i18n = {};
goog.i18n.bidi = {};
goog.i18n.bidi.FORCE_RTL = !1;
goog.i18n.bidi.IS_RTL = goog.i18n.bidi.FORCE_RTL || ("ar" == goog.LOCALE.substring(0, 2).toLowerCase() || "fa" == goog.LOCALE.substring(0, 2).toLowerCase() || "he" == goog.LOCALE.substring(0, 2).toLowerCase() || "iw" == goog.LOCALE.substring(0, 2).toLowerCase() || "ps" == goog.LOCALE.substring(0, 2).toLowerCase() || "sd" == goog.LOCALE.substring(0, 2).toLowerCase() || "ug" == goog.LOCALE.substring(0, 2).toLowerCase() || "ur" == goog.LOCALE.substring(0, 2).toLowerCase() || "yi" == goog.LOCALE.substring(0, 2).toLowerCase()) && (2 == goog.LOCALE.length ||
	"-" == goog.LOCALE.substring(2, 3) || "_" == goog.LOCALE.substring(2, 3)) || 3 <= goog.LOCALE.length && "ckb" == goog.LOCALE.substring(0, 3).toLowerCase() && (3 == goog.LOCALE.length || "-" == goog.LOCALE.substring(3, 4) || "_" == goog.LOCALE.substring(3, 4));
goog.i18n.bidi.Format = {
	LRE: "\u202a",
	RLE: "\u202b",
	PDF: "\u202c",
	LRM: "\u200e",
	RLM: "\u200f"
};
goog.i18n.bidi.Dir = {
	LTR: 1,
	RTL: -1,
	NEUTRAL: 0
};
goog.i18n.bidi.RIGHT = "right";
goog.i18n.bidi.LEFT = "left";
goog.i18n.bidi.I18N_RIGHT = goog.i18n.bidi.IS_RTL ? goog.i18n.bidi.LEFT : goog.i18n.bidi.RIGHT;
goog.i18n.bidi.I18N_LEFT = goog.i18n.bidi.IS_RTL ? goog.i18n.bidi.RIGHT : goog.i18n.bidi.LEFT;
goog.i18n.bidi.toDir = function (a, b) {
	return "number" == typeof a ? 0 < a ? goog.i18n.bidi.Dir.LTR : 0 > a ? goog.i18n.bidi.Dir.RTL : b ? null : goog.i18n.bidi.Dir.NEUTRAL : null == a ? null : a ? goog.i18n.bidi.Dir.RTL : goog.i18n.bidi.Dir.LTR
};
goog.i18n.bidi.ltrChars_ = "A-Za-z\u00c0-\u00d6\u00d8-\u00f6\u00f8-\u02b8\u0300-\u0590\u0800-\u1fff\u200e\u2c00-\ufb1c\ufe00-\ufe6f\ufefd-\uffff";
goog.i18n.bidi.rtlChars_ = "\u0591-\u06ef\u06fa-\u07ff\u200f\ufb1d-\ufdff\ufe70-\ufefc";
goog.i18n.bidi.htmlSkipReg_ = /<[^>]*>|&[^;]+;/g;
goog.i18n.bidi.stripHtmlIfNeeded_ = function (a, b) {
	return b ? a.replace(goog.i18n.bidi.htmlSkipReg_, "") : a
};
goog.i18n.bidi.rtlCharReg_ = new RegExp("[" + goog.i18n.bidi.rtlChars_ + "]");
goog.i18n.bidi.ltrCharReg_ = new RegExp("[" + goog.i18n.bidi.ltrChars_ + "]");
goog.i18n.bidi.hasAnyRtl = function (a, b) {
	return goog.i18n.bidi.rtlCharReg_.test(goog.i18n.bidi.stripHtmlIfNeeded_(a, b))
};
goog.i18n.bidi.hasRtlChar = goog.i18n.bidi.hasAnyRtl;
goog.i18n.bidi.hasAnyLtr = function (a, b) {
	return goog.i18n.bidi.ltrCharReg_.test(goog.i18n.bidi.stripHtmlIfNeeded_(a, b))
};
goog.i18n.bidi.ltrRe_ = new RegExp("^[" + goog.i18n.bidi.ltrChars_ + "]");
goog.i18n.bidi.rtlRe_ = new RegExp("^[" + goog.i18n.bidi.rtlChars_ + "]");
goog.i18n.bidi.isRtlChar = function (a) {
	return goog.i18n.bidi.rtlRe_.test(a)
};
goog.i18n.bidi.isLtrChar = function (a) {
	return goog.i18n.bidi.ltrRe_.test(a)
};
goog.i18n.bidi.isNeutralChar = function (a) {
	return !goog.i18n.bidi.isLtrChar(a) && !goog.i18n.bidi.isRtlChar(a)
};
goog.i18n.bidi.ltrDirCheckRe_ = new RegExp("^[^" + goog.i18n.bidi.rtlChars_ + "]*[" + goog.i18n.bidi.ltrChars_ + "]");
goog.i18n.bidi.rtlDirCheckRe_ = new RegExp("^[^" + goog.i18n.bidi.ltrChars_ + "]*[" + goog.i18n.bidi.rtlChars_ + "]");
goog.i18n.bidi.startsWithRtl = function (a, b) {
	return goog.i18n.bidi.rtlDirCheckRe_.test(goog.i18n.bidi.stripHtmlIfNeeded_(a, b))
};
goog.i18n.bidi.isRtlText = goog.i18n.bidi.startsWithRtl;
goog.i18n.bidi.startsWithLtr = function (a, b) {
	return goog.i18n.bidi.ltrDirCheckRe_.test(goog.i18n.bidi.stripHtmlIfNeeded_(a, b))
};
goog.i18n.bidi.isLtrText = goog.i18n.bidi.startsWithLtr;
goog.i18n.bidi.isRequiredLtrRe_ = /^http:\/\/.*/;
goog.i18n.bidi.isNeutralText = function (a, b) {
	a = goog.i18n.bidi.stripHtmlIfNeeded_(a, b);
	return goog.i18n.bidi.isRequiredLtrRe_.test(a) || !goog.i18n.bidi.hasAnyLtr(a) && !goog.i18n.bidi.hasAnyRtl(a)
};
goog.i18n.bidi.ltrExitDirCheckRe_ = new RegExp("[" + goog.i18n.bidi.ltrChars_ + "][^" + goog.i18n.bidi.rtlChars_ + "]*$");
goog.i18n.bidi.rtlExitDirCheckRe_ = new RegExp("[" + goog.i18n.bidi.rtlChars_ + "][^" + goog.i18n.bidi.ltrChars_ + "]*$");
goog.i18n.bidi.endsWithLtr = function (a, b) {
	return goog.i18n.bidi.ltrExitDirCheckRe_.test(goog.i18n.bidi.stripHtmlIfNeeded_(a, b))
};
goog.i18n.bidi.isLtrExitText = goog.i18n.bidi.endsWithLtr;
goog.i18n.bidi.endsWithRtl = function (a, b) {
	return goog.i18n.bidi.rtlExitDirCheckRe_.test(goog.i18n.bidi.stripHtmlIfNeeded_(a, b))
};
goog.i18n.bidi.isRtlExitText = goog.i18n.bidi.endsWithRtl;
goog.i18n.bidi.rtlLocalesRe_ = /^(ar|ckb|dv|he|iw|fa|nqo|ps|sd|ug|ur|yi|.*[-_](Arab|Hebr|Thaa|Nkoo|Tfng))(?!.*[-_](Latn|Cyrl)($|-|_))($|-|_)/i;
goog.i18n.bidi.isRtlLanguage = function (a) {
	return goog.i18n.bidi.rtlLocalesRe_.test(a)
};
goog.i18n.bidi.bracketGuardTextRe_ = /(\(.*?\)+)|(\[.*?\]+)|(\{.*?\}+)|(<.*?>+)/g;
goog.i18n.bidi.guardBracketInText = function (a, b) {
	var c = (void 0 === b ? goog.i18n.bidi.hasAnyRtl(a) : b) ? goog.i18n.bidi.Format.RLM : goog.i18n.bidi.Format.LRM;
	return a.replace(goog.i18n.bidi.bracketGuardTextRe_, c + "$&" + c)
};
goog.i18n.bidi.enforceRtlInHtml = function (a) {
	return "<" == a.charAt(0) ? a.replace(/<\w+/, "$& dir=rtl") : "\n<span dir=rtl>" + a + "</span>"
};
goog.i18n.bidi.enforceRtlInText = function (a) {
	return goog.i18n.bidi.Format.RLE + a + goog.i18n.bidi.Format.PDF
};
goog.i18n.bidi.enforceLtrInHtml = function (a) {
	return "<" == a.charAt(0) ? a.replace(/<\w+/, "$& dir=ltr") : "\n<span dir=ltr>" + a + "</span>"
};
goog.i18n.bidi.enforceLtrInText = function (a) {
	return goog.i18n.bidi.Format.LRE + a + goog.i18n.bidi.Format.PDF
};
goog.i18n.bidi.dimensionsRe_ = /:\s*([.\d][.\w]*)\s+([.\d][.\w]*)\s+([.\d][.\w]*)\s+([.\d][.\w]*)/g;
goog.i18n.bidi.leftRe_ = /left/gi;
goog.i18n.bidi.rightRe_ = /right/gi;
goog.i18n.bidi.tempRe_ = /%%%%/g;
goog.i18n.bidi.mirrorCSS = function (a) {
	return a.replace(goog.i18n.bidi.dimensionsRe_, ":$1 $4 $3 $2").replace(goog.i18n.bidi.leftRe_, "%%%%").replace(goog.i18n.bidi.rightRe_, goog.i18n.bidi.LEFT).replace(goog.i18n.bidi.tempRe_, goog.i18n.bidi.RIGHT)
};
goog.i18n.bidi.doubleQuoteSubstituteRe_ = /([\u0591-\u05f2])"/g;
goog.i18n.bidi.singleQuoteSubstituteRe_ = /([\u0591-\u05f2])'/g;
goog.i18n.bidi.normalizeHebrewQuote = function (a) {
	return a.replace(goog.i18n.bidi.doubleQuoteSubstituteRe_, "$1\u05f4").replace(goog.i18n.bidi.singleQuoteSubstituteRe_, "$1\u05f3")
};
goog.i18n.bidi.wordSeparatorRe_ = /\s+/;
goog.i18n.bidi.hasNumeralsRe_ = /[\d\u06f0-\u06f9]/;
goog.i18n.bidi.rtlDetectionThreshold_ = .4;
goog.i18n.bidi.estimateDirection = function (a, b) {
	for (var c = 0, d = 0, e = !1, f = goog.i18n.bidi.stripHtmlIfNeeded_(a, b).split(goog.i18n.bidi.wordSeparatorRe_), g = 0; g < f.length; g++) {
		var h = f[g];
		goog.i18n.bidi.startsWithRtl(h) ? (c++, d++) : goog.i18n.bidi.isRequiredLtrRe_.test(h) ? e = !0 : goog.i18n.bidi.hasAnyLtr(h) ? d++ : goog.i18n.bidi.hasNumeralsRe_.test(h) && (e = !0)
	}
	return 0 == d ? e ? goog.i18n.bidi.Dir.LTR : goog.i18n.bidi.Dir.NEUTRAL : c / d > goog.i18n.bidi.rtlDetectionThreshold_ ? goog.i18n.bidi.Dir.RTL : goog.i18n.bidi.Dir.LTR
};
goog.i18n.bidi.detectRtlDirectionality = function (a, b) {
	return goog.i18n.bidi.estimateDirection(a, b) == goog.i18n.bidi.Dir.RTL
};
goog.i18n.bidi.setElementDirAndAlign = function (a, b) {
	a && (b = goog.i18n.bidi.toDir(b)) && (a.style.textAlign = b == goog.i18n.bidi.Dir.RTL ? goog.i18n.bidi.RIGHT : goog.i18n.bidi.LEFT, a.dir = b == goog.i18n.bidi.Dir.RTL ? "rtl" : "ltr")
};
goog.i18n.bidi.setElementDirByTextDirectionality = function (a, b) {
	switch (goog.i18n.bidi.estimateDirection(b)) {
		case goog.i18n.bidi.Dir.LTR:
			a.dir = "ltr";
			break;
		case goog.i18n.bidi.Dir.RTL:
			a.dir = "rtl";
			break;
		default:
			a.removeAttribute("dir")
	}
};
goog.i18n.bidi.DirectionalString = function () { };
goog.html.SafeUrl = function () {
	this.privateDoNotAccessOrElseSafeHtmlWrappedValue_ = "";
	this.SAFE_URL_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ = goog.html.SafeUrl.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_
};
goog.html.SafeUrl.INNOCUOUS_STRING = "about:invalid#zClosurez";
goog.html.SafeUrl.prototype.implementsGoogStringTypedString = !0;
goog.html.SafeUrl.prototype.getTypedStringValue = function () {
	return this.privateDoNotAccessOrElseSafeHtmlWrappedValue_
};
goog.html.SafeUrl.prototype.implementsGoogI18nBidiDirectionalString = !0;
goog.html.SafeUrl.prototype.getDirection = function () {
	return goog.i18n.bidi.Dir.LTR
};
goog.DEBUG && (goog.html.SafeUrl.prototype.toString = function () {
	return "SafeUrl{" + this.privateDoNotAccessOrElseSafeHtmlWrappedValue_ + "}"
});
goog.html.SafeUrl.unwrap = function (a) {
	if (a instanceof goog.html.SafeUrl && a.constructor === goog.html.SafeUrl && a.SAFE_URL_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ === goog.html.SafeUrl.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_) return a.privateDoNotAccessOrElseSafeHtmlWrappedValue_;
	goog.asserts.fail("expected object of type SafeUrl, got '" + a + "' of type " + goog.typeOf(a));
	return "type_error:SafeUrl"
};
goog.html.SafeUrl.fromConstant = function (a) {
	return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(goog.string.Const.unwrap(a))
};
goog.html.SAFE_MIME_TYPE_PATTERN_ = /^(?:image\/(?:bmp|gif|jpeg|jpg|png|tiff|webp)|video\/(?:mpeg|mp4|ogg|webm))$/i;
goog.html.SafeUrl.fromBlob = function (a) {
	a = goog.html.SAFE_MIME_TYPE_PATTERN_.test(a.type) ? goog.fs.url.createObjectUrl(a) : goog.html.SafeUrl.INNOCUOUS_STRING;
	return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(a)
};
goog.html.DATA_URL_PATTERN_ = /^data:([^;,]*);base64,[a-z0-9+\/]+=*$/i;
goog.html.SafeUrl.fromDataUrl = function (a) {
	var b = a.match(goog.html.DATA_URL_PATTERN_),
		b = b && goog.html.SAFE_MIME_TYPE_PATTERN_.test(b[1]);
	return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(b ? a : goog.html.SafeUrl.INNOCUOUS_STRING)
};
goog.html.SafeUrl.fromTelUrl = function (a) {
	goog.string.caseInsensitiveStartsWith(a, "tel:") || (a = goog.html.SafeUrl.INNOCUOUS_STRING);
	return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(a)
};
goog.html.SAFE_URL_PATTERN_ = /^(?:(?:https?|mailto|ftp):|[^&:/?#]*(?:[/?#]|$))/i;
goog.html.SafeUrl.sanitize = function (a) {
	if (a instanceof goog.html.SafeUrl) return a;
	a = a.implementsGoogStringTypedString ? a.getTypedStringValue() : String(a);
	goog.html.SAFE_URL_PATTERN_.test(a) || (a = goog.html.SafeUrl.INNOCUOUS_STRING);
	return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(a)
};
goog.html.SafeUrl.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ = {};
goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse = function (a) {
	var b = new goog.html.SafeUrl;
	b.privateDoNotAccessOrElseSafeHtmlWrappedValue_ = a;
	return b
};
goog.html.SafeUrl.ABOUT_BLANK = goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse("about:blank");
goog.html.TrustedResourceUrl = function () {
	this.privateDoNotAccessOrElseTrustedResourceUrlWrappedValue_ = "";
	this.TRUSTED_RESOURCE_URL_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ = goog.html.TrustedResourceUrl.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_
};
goog.html.TrustedResourceUrl.prototype.implementsGoogStringTypedString = !0;
goog.html.TrustedResourceUrl.prototype.getTypedStringValue = function () {
	return this.privateDoNotAccessOrElseTrustedResourceUrlWrappedValue_
};
goog.html.TrustedResourceUrl.prototype.implementsGoogI18nBidiDirectionalString = !0;
goog.html.TrustedResourceUrl.prototype.getDirection = function () {
	return goog.i18n.bidi.Dir.LTR
};
goog.DEBUG && (goog.html.TrustedResourceUrl.prototype.toString = function () {
	return "TrustedResourceUrl{" + this.privateDoNotAccessOrElseTrustedResourceUrlWrappedValue_ + "}"
});
goog.html.TrustedResourceUrl.unwrap = function (a) {
	if (a instanceof goog.html.TrustedResourceUrl && a.constructor === goog.html.TrustedResourceUrl && a.TRUSTED_RESOURCE_URL_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ === goog.html.TrustedResourceUrl.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_) return a.privateDoNotAccessOrElseTrustedResourceUrlWrappedValue_;
	goog.asserts.fail("expected object of type TrustedResourceUrl, got '" + a + "' of type " + goog.typeOf(a));
	return "type_error:TrustedResourceUrl"
};
goog.html.TrustedResourceUrl.format = function (a, b) {
	var c = goog.string.Const.unwrap(a);
	if (!goog.html.TrustedResourceUrl.BASE_URL_.test(c)) throw Error("Invalid TrustedResourceUrl format: " + c);
	var d = c.replace(goog.html.TrustedResourceUrl.FORMAT_MARKER_, function (a, d) {
		if (!Object.prototype.hasOwnProperty.call(b, d)) throw Error('Found marker, "' + d + '", in format string, "' + c + '", but no valid label mapping found in args: ' + JSON.stringify(b));
		var e = b[d];
		return e instanceof goog.string.Const ? goog.string.Const.unwrap(e) :
			encodeURIComponent(String(e))
	});
	return goog.html.TrustedResourceUrl.createTrustedResourceUrlSecurityPrivateDoNotAccessOrElse(d)
};
goog.html.TrustedResourceUrl.FORMAT_MARKER_ = /%{(\w+)}/g;
goog.html.TrustedResourceUrl.SCHEME_AND_ORIGIN_ = "(?:(?:https:)?//[0-9a-z.:[\\]-]+)?";
goog.html.TrustedResourceUrl.BASE_ABSOLUTE_PATH_ = "(?:/[0-9a-z_~-]+(?:[/#?]|$))";
goog.html.TrustedResourceUrl.BASE_URL_ = new RegExp("^" + goog.html.TrustedResourceUrl.SCHEME_AND_ORIGIN_ + goog.html.TrustedResourceUrl.BASE_ABSOLUTE_PATH_, "i");
goog.html.TrustedResourceUrl.fromConstant = function (a) {
	return goog.html.TrustedResourceUrl.createTrustedResourceUrlSecurityPrivateDoNotAccessOrElse(goog.string.Const.unwrap(a))
};
goog.html.TrustedResourceUrl.fromConstants = function (a) {
	for (var b = "", c = 0; c < a.length; c++) b += goog.string.Const.unwrap(a[c]);
	return goog.html.TrustedResourceUrl.createTrustedResourceUrlSecurityPrivateDoNotAccessOrElse(b)
};
goog.html.TrustedResourceUrl.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ = {};
goog.html.TrustedResourceUrl.createTrustedResourceUrlSecurityPrivateDoNotAccessOrElse = function (a) {
	var b = new goog.html.TrustedResourceUrl;
	b.privateDoNotAccessOrElseTrustedResourceUrlWrappedValue_ = a;
	return b
};
goog.html.SafeHtml = function () {
	this.privateDoNotAccessOrElseSafeHtmlWrappedValue_ = "";
	this.SAFE_HTML_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ = goog.html.SafeHtml.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_;
	this.dir_ = null
};
goog.html.SafeHtml.prototype.implementsGoogI18nBidiDirectionalString = !0;
goog.html.SafeHtml.prototype.getDirection = function () {
	return this.dir_
};
goog.html.SafeHtml.prototype.implementsGoogStringTypedString = !0;
goog.html.SafeHtml.prototype.getTypedStringValue = function () {
	return this.privateDoNotAccessOrElseSafeHtmlWrappedValue_
};
goog.DEBUG && (goog.html.SafeHtml.prototype.toString = function () {
	return "SafeHtml{" + this.privateDoNotAccessOrElseSafeHtmlWrappedValue_ + "}"
});
goog.html.SafeHtml.unwrap = function (a) {
	if (a instanceof goog.html.SafeHtml && a.constructor === goog.html.SafeHtml && a.SAFE_HTML_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ === goog.html.SafeHtml.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_) return a.privateDoNotAccessOrElseSafeHtmlWrappedValue_;
	goog.asserts.fail("expected object of type SafeHtml, got '" + a + "' of type " + goog.typeOf(a));
	return "type_error:SafeHtml"
};
goog.html.SafeHtml.htmlEscape = function (a) {
	if (a instanceof goog.html.SafeHtml) return a;
	var b = null;
	a.implementsGoogI18nBidiDirectionalString && (b = a.getDirection());
	a = a.implementsGoogStringTypedString ? a.getTypedStringValue() : String(a);
	return goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(goog.string.htmlEscape(a), b)
};
goog.html.SafeHtml.htmlEscapePreservingNewlines = function (a) {
	if (a instanceof goog.html.SafeHtml) return a;
	a = goog.html.SafeHtml.htmlEscape(a);
	return goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(goog.string.newLineToBr(goog.html.SafeHtml.unwrap(a)), a.getDirection())
};
goog.html.SafeHtml.htmlEscapePreservingNewlinesAndSpaces = function (a) {
	if (a instanceof goog.html.SafeHtml) return a;
	a = goog.html.SafeHtml.htmlEscape(a);
	return goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(goog.string.whitespaceEscape(goog.html.SafeHtml.unwrap(a)), a.getDirection())
};
goog.html.SafeHtml.from = goog.html.SafeHtml.htmlEscape;
goog.html.SafeHtml.VALID_NAMES_IN_TAG_ = /^[a-zA-Z0-9-]+$/;
goog.html.SafeHtml.URL_ATTRIBUTES_ = {
	action: !0,
	cite: !0,
	data: !0,
	formaction: !0,
	href: !0,
	manifest: !0,
	poster: !0,
	src: !0
};
goog.html.SafeHtml.NOT_ALLOWED_TAG_NAMES_ = {
	APPLET: !0,
	BASE: !0,
	EMBED: !0,
	IFRAME: !0,
	LINK: !0,
	MATH: !0,
	META: !0,
	OBJECT: !0,
	SCRIPT: !0,
	STYLE: !0,
	SVG: !0,
	TEMPLATE: !0
};
goog.html.SafeHtml.create = function (a, b, c) {
	goog.html.SafeHtml.verifyTagName(String(a));
	return goog.html.SafeHtml.createSafeHtmlTagSecurityPrivateDoNotAccessOrElse(String(a), b, c)
};
goog.html.SafeHtml.verifyTagName = function (a) {
	if (!goog.html.SafeHtml.VALID_NAMES_IN_TAG_.test(a)) throw Error("Invalid tag name <" + a + ">.");
	if (a.toUpperCase() in goog.html.SafeHtml.NOT_ALLOWED_TAG_NAMES_) throw Error("Tag name <" + a + "> is not allowed for SafeHtml.");
};
goog.html.SafeHtml.createIframe = function (a, b, c, d) {
	a && goog.html.TrustedResourceUrl.unwrap(a);
	var e = {};
	e.src = a || null;
	e.srcdoc = b && goog.html.SafeHtml.unwrap(b);
	a = goog.html.SafeHtml.combineAttributes(e, {
		sandbox: ""
	}, c);
	return goog.html.SafeHtml.createSafeHtmlTagSecurityPrivateDoNotAccessOrElse("iframe", a, d)
};
goog.html.SafeHtml.createSandboxIframe = function (a, b, c, d) {
	if (!goog.html.SafeHtml.canUseSandboxIframe()) throw Error("The browser does not support sandboxed iframes.");
	var e = {};
	e.src = a ? goog.html.SafeUrl.unwrap(goog.html.SafeUrl.sanitize(a)) : null;
	e.srcdoc = b || null;
	e.sandbox = "";
	a = goog.html.SafeHtml.combineAttributes(e, {}, c);
	return goog.html.SafeHtml.createSafeHtmlTagSecurityPrivateDoNotAccessOrElse("iframe", a, d)
};
goog.html.SafeHtml.canUseSandboxIframe = function () {
	return goog.global.HTMLIFrameElement && "sandbox" in goog.global.HTMLIFrameElement.prototype
};
goog.html.SafeHtml.createScriptSrc = function (a, b) {
	goog.html.TrustedResourceUrl.unwrap(a);
	var c = goog.html.SafeHtml.combineAttributes({
		src: a
	}, {}, b);
	return goog.html.SafeHtml.createSafeHtmlTagSecurityPrivateDoNotAccessOrElse("script", c)
};
goog.html.SafeHtml.createStyle = function (a, b) {
	var c = goog.html.SafeHtml.combineAttributes({
		type: "text/css"
	}, {}, b),
		d = "";
	a = goog.array.concat(a);
	for (var e = 0; e < a.length; e++) d += goog.html.SafeStyleSheet.unwrap(a[e]);
	d = goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(d, goog.i18n.bidi.Dir.NEUTRAL);
	return goog.html.SafeHtml.createSafeHtmlTagSecurityPrivateDoNotAccessOrElse("style", c, d)
};
goog.html.SafeHtml.createMetaRefresh = function (a, b) {
	var c = goog.html.SafeUrl.unwrap(goog.html.SafeUrl.sanitize(a));
	(goog.labs.userAgent.browser.isIE() || goog.labs.userAgent.browser.isEdge()) && goog.string.contains(c, ";") && (c = "'" + c.replace(/'/g, "%27") + "'");
	return goog.html.SafeHtml.createSafeHtmlTagSecurityPrivateDoNotAccessOrElse("meta", {
		"http-equiv": "refresh",
		content: (b || 0) + "; url=" + c
	})
};
goog.html.SafeHtml.getAttrNameAndValue_ = function (a, b, c) {
	if (c instanceof goog.string.Const) c = goog.string.Const.unwrap(c);
	else if ("style" == b.toLowerCase()) c = goog.html.SafeHtml.getStyleValue_(c);
	else {
		if (/^on/i.test(b)) throw Error('Attribute "' + b + '" requires goog.string.Const value, "' + c + '" given.');
		if (b.toLowerCase() in goog.html.SafeHtml.URL_ATTRIBUTES_)
			if (c instanceof goog.html.TrustedResourceUrl) c = goog.html.TrustedResourceUrl.unwrap(c);
			else if (c instanceof goog.html.SafeUrl) c = goog.html.SafeUrl.unwrap(c);
			else if (goog.isString(c)) c = goog.html.SafeUrl.sanitize(c).getTypedStringValue();
			else throw Error('Attribute "' + b + '" on tag "' + a + '" requires goog.html.SafeUrl, goog.string.Const, or string, value "' + c + '" given.');
	}
	c.implementsGoogStringTypedString && (c = c.getTypedStringValue());
	goog.asserts.assert(goog.isString(c) || goog.isNumber(c), "String or number value expected, got " + typeof c + " with value: " + c);
	return b + '="' + goog.string.htmlEscape(String(c)) + '"'
};
goog.html.SafeHtml.getStyleValue_ = function (a) {
	if (!goog.isObject(a)) throw Error('The "style" attribute requires goog.html.SafeStyle or map of style properties, ' + typeof a + " given: " + a);
	a instanceof goog.html.SafeStyle || (a = goog.html.SafeStyle.create(a));
	return goog.html.SafeStyle.unwrap(a)
};
goog.html.SafeHtml.createWithDir = function (a, b, c, d) {
	b = goog.html.SafeHtml.create(b, c, d);
	b.dir_ = a;
	return b
};
goog.html.SafeHtml.concat = function (a) {
	var b = goog.i18n.bidi.Dir.NEUTRAL,
		c = "",
		d = function (a) {
        	goog.isArray(a) ? goog.array.forEach(a, d) : (a = goog.html.SafeHtml.htmlEscape(a), c += goog.html.SafeHtml.unwrap(a), a = a.getDirection(), b == goog.i18n.bidi.Dir.NEUTRAL ? b = a : a != goog.i18n.bidi.Dir.NEUTRAL && b != a && (b = null))
		};
	goog.array.forEach(arguments, d);
	return goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(c, b)
};
goog.html.SafeHtml.concatWithDir = function (a, b) {
	var c = goog.html.SafeHtml.concat(goog.array.slice(arguments, 1));
	c.dir_ = a;
	return c
};
goog.html.SafeHtml.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ = {};
goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse = function (a, b) {
	return (new goog.html.SafeHtml).initSecurityPrivateDoNotAccessOrElse_(a, b)
};
goog.html.SafeHtml.prototype.initSecurityPrivateDoNotAccessOrElse_ = function (a, b) {
	this.privateDoNotAccessOrElseSafeHtmlWrappedValue_ = a;
	this.dir_ = b;
	return this
};
goog.html.SafeHtml.createSafeHtmlTagSecurityPrivateDoNotAccessOrElse = function (a, b, c) {
	var d = null,
		e;
	e = "<" + a + goog.html.SafeHtml.stringifyAttributes(a, b);
	goog.isDefAndNotNull(c) ? goog.isArray(c) || (c = [c]) : c = [];
	goog.dom.tags.isVoidTag(a.toLowerCase()) ? (goog.asserts.assert(!c.length, "Void tag <" + a + "> does not allow content."), e += ">") : (d = goog.html.SafeHtml.concat(c), e += ">" + goog.html.SafeHtml.unwrap(d) + "</" + a + ">", d = d.getDirection());
	(a = b && b.dir) && (d = /^(ltr|rtl|auto)$/i.test(a) ? goog.i18n.bidi.Dir.NEUTRAL : null);
	return goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(e, d)
};
goog.html.SafeHtml.stringifyAttributes = function (a, b) {
	var c = "";
	if (b)
		for (var d in b) {
			if (!goog.html.SafeHtml.VALID_NAMES_IN_TAG_.test(d)) throw Error('Invalid attribute name "' + d + '".');
			var e = b[d];
			goog.isDefAndNotNull(e) && (c += " " + goog.html.SafeHtml.getAttrNameAndValue_(a, d, e))
		}
	return c
};
goog.html.SafeHtml.combineAttributes = function (a, b, c) {
	var d = {},
		e;
	for (e in a) goog.asserts.assert(e.toLowerCase() == e, "Must be lower case"), d[e] = a[e];
	for (e in b) goog.asserts.assert(e.toLowerCase() == e, "Must be lower case"), d[e] = b[e];
	for (e in c) {
		var f = e.toLowerCase();
		if (f in a) throw Error('Cannot override "' + f + '" attribute, got "' + e + '" with value "' + c[e] + '"');
		f in b && delete d[f];
		d[e] = c[e]
	}
	return d
};
goog.html.SafeHtml.DOCTYPE_HTML = goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse("<!DOCTYPE html>", goog.i18n.bidi.Dir.NEUTRAL);
goog.html.SafeHtml.EMPTY = goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse("", goog.i18n.bidi.Dir.NEUTRAL);
goog.html.SafeHtml.BR = goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse("<br>", goog.i18n.bidi.Dir.NEUTRAL);
goog.dom.safe = {};
goog.dom.safe.InsertAdjacentHtmlPosition = {
	AFTERBEGIN: "afterbegin",
	AFTEREND: "afterend",
	BEFOREBEGIN: "beforebegin",
	BEFOREEND: "beforeend"
};
goog.dom.safe.insertAdjacentHtml = function (a, b, c) {
	a.insertAdjacentHTML(b, goog.html.SafeHtml.unwrap(c))
};
goog.dom.safe.SET_INNER_HTML_DISALLOWED_TAGS_ = {
	MATH: !0,
	SCRIPT: !0,
	STYLE: !0,
	SVG: !0,
	TEMPLATE: !0
};
goog.dom.safe.setInnerHtml = function (a, b) {
	if (goog.asserts.ENABLE_ASSERTS) {
		var c = a.tagName.toUpperCase();
		if (goog.dom.safe.SET_INNER_HTML_DISALLOWED_TAGS_[c]) throw Error("goog.dom.safe.setInnerHtml cannot be used to set content of " + a.tagName + ".");
	}
	a.innerHTML = goog.html.SafeHtml.unwrap(b)
};
goog.dom.safe.setOuterHtml = function (a, b) {
	a.outerHTML = goog.html.SafeHtml.unwrap(b)
};
goog.dom.safe.setStyle = function (a, b) {
	a.style.cssText = goog.html.SafeStyle.unwrap(b)
};
goog.dom.safe.documentWrite = function (a, b) {
	a.write(goog.html.SafeHtml.unwrap(b))
};
goog.dom.safe.setAnchorHref = function (a, b) {
	goog.dom.safe.assertIsHTMLAnchorElement_(a);
	var c;
	c = b instanceof goog.html.SafeUrl ? b : goog.html.SafeUrl.sanitize(b);
	a.href = goog.html.SafeUrl.unwrap(c)
};
goog.dom.safe.setImageSrc = function (a, b) {
	goog.dom.safe.assertIsHTMLImageElement_(a);
	var c;
	c = b instanceof goog.html.SafeUrl ? b : goog.html.SafeUrl.sanitize(b);
	a.src = goog.html.SafeUrl.unwrap(c)
};
goog.dom.safe.setEmbedSrc = function (a, b) {
	goog.dom.safe.assertIsHTMLEmbedElement_(a);
	a.src = goog.html.TrustedResourceUrl.unwrap(b)
};
goog.dom.safe.setFrameSrc = function (a, b) {
	goog.dom.safe.assertIsHTMLFrameElement_(a);
	a.src = goog.html.TrustedResourceUrl.unwrap(b)
};
goog.dom.safe.setIframeSrc = function (a, b) {
	goog.dom.safe.assertIsHTMLIFrameElement_(a);
	a.src = goog.html.TrustedResourceUrl.unwrap(b)
};
goog.dom.safe.setLinkHrefAndRel = function (a, b, c) {
	goog.dom.safe.assertIsHTMLLinkElement_(a);
	a.rel = c;
	goog.string.caseInsensitiveContains(c, "stylesheet") ? (goog.asserts.assert(b instanceof goog.html.TrustedResourceUrl, 'URL must be TrustedResourceUrl because "rel" contains "stylesheet"'), a.href = goog.html.TrustedResourceUrl.unwrap(b)) : a.href = b instanceof goog.html.TrustedResourceUrl ? goog.html.TrustedResourceUrl.unwrap(b) : b instanceof goog.html.SafeUrl ? goog.html.SafeUrl.unwrap(b) : goog.html.SafeUrl.sanitize(b).getTypedStringValue()
};
goog.dom.safe.setObjectData = function (a, b) {
	goog.dom.safe.assertIsHTMLObjectElement_(a);
	a.data = goog.html.TrustedResourceUrl.unwrap(b)
};
goog.dom.safe.setScriptSrc = function (a, b) {
	goog.dom.safe.assertIsHTMLScriptElement_(a);
	a.src = goog.html.TrustedResourceUrl.unwrap(b)
};
goog.dom.safe.setLocationHref = function (a, b) {
	goog.dom.safe.assertIsLocation_(a);
	var c;
	c = b instanceof goog.html.SafeUrl ? b : goog.html.SafeUrl.sanitize(b);
	a.href = goog.html.SafeUrl.unwrap(c)
};
goog.dom.safe.openInWindow = function (a, b, c, d, e) {
	a = a instanceof goog.html.SafeUrl ? a : goog.html.SafeUrl.sanitize(a);
	return (b || window).open(goog.html.SafeUrl.unwrap(a), c ? goog.string.Const.unwrap(c) : "", d, e)
};
goog.dom.safe.assertIsLocation_ = function (a) {
	goog.asserts.ENABLE_ASSERTS && "undefined" != typeof Location && "undefined" != typeof Element && goog.asserts.assert(a && (a instanceof Location || !(a instanceof Element)), "Argument is not a Location (or a non-Element mock); got: %s", goog.dom.safe.debugStringForType_(a));
	return a
};
goog.dom.safe.assertIsHTMLAnchorElement_ = function (a) {
	goog.asserts.ENABLE_ASSERTS && "undefined" != typeof HTMLAnchorElement && "undefined" != typeof Location && "undefined" != typeof Element && goog.asserts.assert(a && (a instanceof HTMLAnchorElement || !(a instanceof Location || a instanceof Element)), "Argument is not a HTMLAnchorElement (or a non-Element mock); got: %s", goog.dom.safe.debugStringForType_(a));
	return a
};
goog.dom.safe.assertIsHTMLLinkElement_ = function (a) {
	goog.asserts.ENABLE_ASSERTS && "undefined" != typeof HTMLLinkElement && "undefined" != typeof Location && "undefined" != typeof Element && goog.asserts.assert(a && (a instanceof HTMLLinkElement || !(a instanceof Location || a instanceof Element)), "Argument is not a HTMLLinkElement (or a non-Element mock); got: %s", goog.dom.safe.debugStringForType_(a));
	return a
};
goog.dom.safe.assertIsHTMLImageElement_ = function (a) {
	goog.asserts.ENABLE_ASSERTS && "undefined" != typeof HTMLImageElement && "undefined" != typeof Element && goog.asserts.assert(a && (a instanceof HTMLImageElement || !(a instanceof Element)), "Argument is not a HTMLImageElement (or a non-Element mock); got: %s", goog.dom.safe.debugStringForType_(a));
	return a
};
goog.dom.safe.assertIsHTMLEmbedElement_ = function (a) {
	goog.asserts.ENABLE_ASSERTS && "undefined" != typeof HTMLEmbedElement && "undefined" != typeof Element && goog.asserts.assert(a && (a instanceof HTMLEmbedElement || !(a instanceof Element)), "Argument is not a HTMLEmbedElement (or a non-Element mock); got: %s", goog.dom.safe.debugStringForType_(a));
	return a
};
goog.dom.safe.assertIsHTMLFrameElement_ = function (a) {
	goog.asserts.ENABLE_ASSERTS && "undefined" != typeof HTMLFrameElement && "undefined" != typeof Element && goog.asserts.assert(a && (a instanceof HTMLFrameElement || !(a instanceof Element)), "Argument is not a HTMLFrameElement (or a non-Element mock); got: %s", goog.dom.safe.debugStringForType_(a));
	return a
};
goog.dom.safe.assertIsHTMLIFrameElement_ = function (a) {
	goog.asserts.ENABLE_ASSERTS && "undefined" != typeof HTMLIFrameElement && "undefined" != typeof Element && goog.asserts.assert(a && (a instanceof HTMLIFrameElement || !(a instanceof Element)), "Argument is not a HTMLIFrameElement (or a non-Element mock); got: %s", goog.dom.safe.debugStringForType_(a));
	return a
};
goog.dom.safe.assertIsHTMLObjectElement_ = function (a) {
	goog.asserts.ENABLE_ASSERTS && "undefined" != typeof HTMLObjectElement && "undefined" != typeof Element && goog.asserts.assert(a && (a instanceof HTMLObjectElement || !(a instanceof Element)), "Argument is not a HTMLObjectElement (or a non-Element mock); got: %s", goog.dom.safe.debugStringForType_(a));
	return a
};
goog.dom.safe.assertIsHTMLScriptElement_ = function (a) {
	goog.asserts.ENABLE_ASSERTS && "undefined" != typeof HTMLScriptElement && "undefined" != typeof Element && goog.asserts.assert(a && (a instanceof HTMLScriptElement || !(a instanceof Element)), "Argument is not a HTMLScriptElement (or a non-Element mock); got: %s", goog.dom.safe.debugStringForType_(a));
	return a
};
goog.dom.safe.debugStringForType_ = function (a) {
	return goog.isObject(a) ? a.constructor.displayName || a.constructor.name || Object.prototype.toString.call(a) : void 0 === a ? "undefined" : null === a ? "null" : typeof a
};
goog.html.SafeScript = function () {
	this.privateDoNotAccessOrElseSafeScriptWrappedValue_ = "";
	this.SAFE_SCRIPT_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ = goog.html.SafeScript.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_
};
goog.html.SafeScript.prototype.implementsGoogStringTypedString = !0;
goog.html.SafeScript.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ = {};
goog.html.SafeScript.fromConstant = function (a) {
	a = goog.string.Const.unwrap(a);
	return 0 === a.length ? goog.html.SafeScript.EMPTY : goog.html.SafeScript.createSafeScriptSecurityPrivateDoNotAccessOrElse(a)
};
goog.html.SafeScript.prototype.getTypedStringValue = function () {
	return this.privateDoNotAccessOrElseSafeScriptWrappedValue_
};
goog.DEBUG && (goog.html.SafeScript.prototype.toString = function () {
	return "SafeScript{" + this.privateDoNotAccessOrElseSafeScriptWrappedValue_ + "}"
});
goog.html.SafeScript.unwrap = function (a) {
	if (a instanceof goog.html.SafeScript && a.constructor === goog.html.SafeScript && a.SAFE_SCRIPT_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ === goog.html.SafeScript.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_) return a.privateDoNotAccessOrElseSafeScriptWrappedValue_;
	goog.asserts.fail("expected object of type SafeScript, got '" + a + "' of type " + goog.typeOf(a));
	return "type_error:SafeScript"
};
goog.html.SafeScript.createSafeScriptSecurityPrivateDoNotAccessOrElse = function (a) {
	return (new goog.html.SafeScript).initSecurityPrivateDoNotAccessOrElse_(a)
};
goog.html.SafeScript.prototype.initSecurityPrivateDoNotAccessOrElse_ = function (a) {
	this.privateDoNotAccessOrElseSafeScriptWrappedValue_ = a;
	return this
};
goog.html.SafeScript.EMPTY = goog.html.SafeScript.createSafeScriptSecurityPrivateDoNotAccessOrElse("");
goog.html.uncheckedconversions = {};
goog.html.uncheckedconversions.safeHtmlFromStringKnownToSatisfyTypeContract = function (a, b, c) {
	goog.asserts.assertString(goog.string.Const.unwrap(a), "must provide justification");
	goog.asserts.assert(!goog.string.isEmptyOrWhitespace(goog.string.Const.unwrap(a)), "must provide non-empty justification");
	return goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(b, c || null)
};
goog.html.uncheckedconversions.safeScriptFromStringKnownToSatisfyTypeContract = function (a, b) {
	goog.asserts.assertString(goog.string.Const.unwrap(a), "must provide justification");
	goog.asserts.assert(!goog.string.isEmpty(goog.string.Const.unwrap(a)), "must provide non-empty justification");
	return goog.html.SafeScript.createSafeScriptSecurityPrivateDoNotAccessOrElse(b)
};
goog.html.uncheckedconversions.safeStyleFromStringKnownToSatisfyTypeContract = function (a, b) {
	goog.asserts.assertString(goog.string.Const.unwrap(a), "must provide justification");
	goog.asserts.assert(!goog.string.isEmptyOrWhitespace(goog.string.Const.unwrap(a)), "must provide non-empty justification");
	return goog.html.SafeStyle.createSafeStyleSecurityPrivateDoNotAccessOrElse(b)
};
goog.html.uncheckedconversions.safeStyleSheetFromStringKnownToSatisfyTypeContract = function (a, b) {
	goog.asserts.assertString(goog.string.Const.unwrap(a), "must provide justification");
	goog.asserts.assert(!goog.string.isEmptyOrWhitespace(goog.string.Const.unwrap(a)), "must provide non-empty justification");
	return goog.html.SafeStyleSheet.createSafeStyleSheetSecurityPrivateDoNotAccessOrElse(b)
};
goog.html.uncheckedconversions.safeUrlFromStringKnownToSatisfyTypeContract = function (a, b) {
	goog.asserts.assertString(goog.string.Const.unwrap(a), "must provide justification");
	goog.asserts.assert(!goog.string.isEmptyOrWhitespace(goog.string.Const.unwrap(a)), "must provide non-empty justification");
	return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(b)
};
goog.html.uncheckedconversions.trustedResourceUrlFromStringKnownToSatisfyTypeContract = function (a, b) {
	goog.asserts.assertString(goog.string.Const.unwrap(a), "must provide justification");
	goog.asserts.assert(!goog.string.isEmptyOrWhitespace(goog.string.Const.unwrap(a)), "must provide non-empty justification");
	return goog.html.TrustedResourceUrl.createTrustedResourceUrlSecurityPrivateDoNotAccessOrElse(b)
};
goog.math.Coordinate = function (a, b) {
	this.x = goog.isDef(a) ? a : 0;
	this.y = goog.isDef(b) ? b : 0
};
goog.math.Coordinate.prototype.clone = function () {
	return new goog.math.Coordinate(this.x, this.y)
};
goog.DEBUG && (goog.math.Coordinate.prototype.toString = function () {
	return "(" + this.x + ", " + this.y + ")"
});
goog.math.Coordinate.prototype.equals = function (a) {
	return a instanceof goog.math.Coordinate && goog.math.Coordinate.equals(this, a)
};
goog.math.Coordinate.equals = function (a, b) {
	return a == b ? !0 : a && b ? a.x == b.x && a.y == b.y : !1
};
goog.math.Coordinate.distance = function (a, b) {
	var c = a.x - b.x,
		d = a.y - b.y;
	return Math.sqrt(c * c + d * d)
};
goog.math.Coordinate.magnitude = function (a) {
	return Math.sqrt(a.x * a.x + a.y * a.y)
};
goog.math.Coordinate.azimuth = function (a) {
	return goog.math.angle(0, 0, a.x, a.y)
};
goog.math.Coordinate.squaredDistance = function (a, b) {
	var c = a.x - b.x,
		d = a.y - b.y;
	return c * c + d * d
};
goog.math.Coordinate.difference = function (a, b) {
	return new goog.math.Coordinate(a.x - b.x, a.y - b.y)
};
goog.math.Coordinate.sum = function (a, b) {
	return new goog.math.Coordinate(a.x + b.x, a.y + b.y)
};
goog.math.Coordinate.prototype.ceil = function () {
	this.x = Math.ceil(this.x);
	this.y = Math.ceil(this.y);
	return this
};
goog.math.Coordinate.prototype.floor = function () {
	this.x = Math.floor(this.x);
	this.y = Math.floor(this.y);
	return this
};
goog.math.Coordinate.prototype.round = function () {
	this.x = Math.round(this.x);
	this.y = Math.round(this.y);
	return this
};
goog.math.Coordinate.prototype.translate = function (a, b) {
	a instanceof goog.math.Coordinate ? (this.x += a.x, this.y += a.y) : (this.x += Number(a), goog.isNumber(b) && (this.y += b));
	return this
};
goog.math.Coordinate.prototype.scale = function (a, b) {
	var c = goog.isNumber(b) ? b : a;
	this.x *= a;
	this.y *= c;
	return this
};
goog.math.Coordinate.prototype.rotateRadians = function (a, b) {
	var c = b || new goog.math.Coordinate(0, 0),
		d = this.x,
		e = this.y,
		f = Math.cos(a),
		g = Math.sin(a);
	this.x = (d - c.x) * f - (e - c.y) * g + c.x;
	this.y = (d - c.x) * g + (e - c.y) * f + c.y
};
goog.math.Coordinate.prototype.rotateDegrees = function (a, b) {
	this.rotateRadians(goog.math.toRadians(a), b)
};
goog.math.Size = function (a, b) {
	this.width = a;
	this.height = b
};
goog.math.Size.equals = function (a, b) {
	return a == b ? !0 : a && b ? a.width == b.width && a.height == b.height : !1
};
goog.math.Size.prototype.clone = function () {
	return new goog.math.Size(this.width, this.height)
};
goog.DEBUG && (goog.math.Size.prototype.toString = function () {
	return "(" + this.width + " x " + this.height + ")"
});
goog.math.Size.prototype.getLongest = function () {
	return Math.max(this.width, this.height)
};
goog.math.Size.prototype.getShortest = function () {
	return Math.min(this.width, this.height)
};
goog.math.Size.prototype.area = function () {
	return this.width * this.height
};
goog.math.Size.prototype.perimeter = function () {
	return 2 * (this.width + this.height)
};
goog.math.Size.prototype.aspectRatio = function () {
	return this.width / this.height
};
goog.math.Size.prototype.isEmpty = function () {
	return !this.area()
};
goog.math.Size.prototype.ceil = function () {
	this.width = Math.ceil(this.width);
	this.height = Math.ceil(this.height);
	return this
};
goog.math.Size.prototype.fitsInside = function (a) {
	return this.width <= a.width && this.height <= a.height
};
goog.math.Size.prototype.floor = function () {
	this.width = Math.floor(this.width);
	this.height = Math.floor(this.height);
	return this
};
goog.math.Size.prototype.round = function () {
	this.width = Math.round(this.width);
	this.height = Math.round(this.height);
	return this
};
goog.math.Size.prototype.scale = function (a, b) {
	var c = goog.isNumber(b) ? b : a;
	this.width *= a;
	this.height *= c;
	return this
};
goog.math.Size.prototype.scaleToCover = function (a) {
	a = this.aspectRatio() <= a.aspectRatio() ? a.width / this.width : a.height / this.height;
	return this.scale(a)
};
goog.math.Size.prototype.scaleToFit = function (a) {
	a = this.aspectRatio() > a.aspectRatio() ? a.width / this.width : a.height / this.height;
	return this.scale(a)
};
goog.dom.ASSUME_QUIRKS_MODE = !1;
goog.dom.ASSUME_STANDARDS_MODE = !1;
goog.dom.COMPAT_MODE_KNOWN_ = goog.dom.ASSUME_QUIRKS_MODE || goog.dom.ASSUME_STANDARDS_MODE;
goog.dom.getDomHelper = function (a) {
	return a ? new goog.dom.DomHelper(goog.dom.getOwnerDocument(a)) : goog.dom.defaultDomHelper_ || (goog.dom.defaultDomHelper_ = new goog.dom.DomHelper)
};
goog.dom.getDocument = function () {
	return document
};
goog.dom.getElement = function (a) {
	return goog.dom.getElementHelper_(document, a)
};
goog.dom.getElementHelper_ = function (a, b) {
	return goog.isString(b) ? a.getElementById(b) : b
};
goog.dom.getRequiredElement = function (a) {
	return goog.dom.getRequiredElementHelper_(document, a)
};
goog.dom.getRequiredElementHelper_ = function (a, b) {
	goog.asserts.assertString(b);
	var c = goog.dom.getElementHelper_(a, b);
	return c = goog.asserts.assertElement(c, "No element found with id: " + b)
};
goog.dom.$ = goog.dom.getElement;
goog.dom.getElementsByTagName = function (a, b) {
	return (b || document).getElementsByTagName(String(a))
};
goog.dom.getElementsByTagNameAndClass = function (a, b, c) {
	return goog.dom.getElementsByTagNameAndClass_(document, a, b, c)
};
goog.dom.getElementsByClass = function (a, b) {
	var c = b || document;
	return goog.dom.canUseQuerySelector_(c) ? c.querySelectorAll("." + a) : goog.dom.getElementsByTagNameAndClass_(document, "*", a, b)
};
goog.dom.getElementByClass = function (a, b) {
	var c = b || document;
	return (c.getElementsByClassName ? c.getElementsByClassName(a)[0] : goog.dom.canUseQuerySelector_(c) ? c.querySelector("." + a) : goog.dom.getElementsByTagNameAndClass_(document, "*", a, b)[0]) || null
};
goog.dom.getRequiredElementByClass = function (a, b) {
	var c = goog.dom.getElementByClass(a, b);
	return goog.asserts.assert(c, "No element found with className: " + a)
};
goog.dom.canUseQuerySelector_ = function (a) {
	return !(!a.querySelectorAll || !a.querySelector)
};
goog.dom.getElementsByTagNameAndClass_ = function (a, b, c, d) {
	a = d || a;
	b = b && "*" != b ? String(b).toUpperCase() : "";
	if (goog.dom.canUseQuerySelector_(a) && (b || c)) return a.querySelectorAll(b + (c ? "." + c : ""));
	if (c && a.getElementsByClassName) {
		a = a.getElementsByClassName(c);
		if (b) {
			d = {};
			for (var e = 0, f = 0, g; g = a[f]; f++) b == g.nodeName && (d[e++] = g);
			d.length = e;
			return d
		}
		return a
	}
	a = a.getElementsByTagName(b || "*");
	if (c) {
		d = {};
		for (f = e = 0; g = a[f]; f++) b = g.className, "function" == typeof b.split && goog.array.contains(b.split(/\s+/), c) && (d[e++] = g);
		d.length = e;
		return d
	}
	return a
};
goog.dom.$$ = goog.dom.getElementsByTagNameAndClass;
goog.dom.setProperties = function (a, b) {
	goog.object.forEach(b, function (b, d) {
		"style" == d ? a.style.cssText = b : "class" == d ? a.className = b : "for" == d ? a.htmlFor = b : goog.dom.DIRECT_ATTRIBUTE_MAP_.hasOwnProperty(d) ? a.setAttribute(goog.dom.DIRECT_ATTRIBUTE_MAP_[d], b) : goog.string.startsWith(d, "aria-") || goog.string.startsWith(d, "data-") ? a.setAttribute(d, b) : a[d] = b
	})
};
goog.dom.DIRECT_ATTRIBUTE_MAP_ = {
	cellpadding: "cellPadding",
	cellspacing: "cellSpacing",
	colspan: "colSpan",
	frameborder: "frameBorder",
	height: "height",
	maxlength: "maxLength",
	nonce: "nonce",
	role: "role",
	rowspan: "rowSpan",
	type: "type",
	usemap: "useMap",
	valign: "vAlign",
	width: "width"
};
goog.dom.getViewportSize = function (a) {
	return goog.dom.getViewportSize_(a || window)
};
goog.dom.getViewportSize_ = function (a) {
	a = a.document;
	a = goog.dom.isCss1CompatMode_(a) ? a.documentElement : a.body;
	return new goog.math.Size(a.clientWidth, a.clientHeight)
};
goog.dom.getDocumentHeight = function () {
	return goog.dom.getDocumentHeight_(window)
};
goog.dom.getDocumentHeightForWindow = function (a) {
	return goog.dom.getDocumentHeight_(a)
};
goog.dom.getDocumentHeight_ = function (a) {
	var b = a.document,
		c = 0;
	if (b) {
		var c = b.body,
			d = b.documentElement;
		if (!d || !c) return 0;
		a = goog.dom.getViewportSize_(a).height;
		if (goog.dom.isCss1CompatMode_(b) && d.scrollHeight) c = d.scrollHeight != a ? d.scrollHeight : d.offsetHeight;
		else {
			var b = d.scrollHeight,
				e = d.offsetHeight;
			d.clientHeight != e && (b = c.scrollHeight, e = c.offsetHeight);
			c = b > a ? b > e ? b : e : b < e ? b : e
		}
	}
	return c
};
goog.dom.getPageScroll = function (a) {
	return goog.dom.getDomHelper((a || goog.global || window).document).getDocumentScroll()
};
goog.dom.getDocumentScroll = function () {
	return goog.dom.getDocumentScroll_(document)
};
goog.dom.getDocumentScroll_ = function (a) {
	var b = goog.dom.getDocumentScrollElement_(a);
	a = goog.dom.getWindow_(a);
	return goog.userAgent.IE && goog.userAgent.isVersionOrHigher("10") && a.pageYOffset != b.scrollTop ? new goog.math.Coordinate(b.scrollLeft, b.scrollTop) : new goog.math.Coordinate(a.pageXOffset || b.scrollLeft, a.pageYOffset || b.scrollTop)
};
goog.dom.getDocumentScrollElement = function () {
	return goog.dom.getDocumentScrollElement_(document)
};
goog.dom.getDocumentScrollElement_ = function (a) {
	return a.scrollingElement ? a.scrollingElement : !goog.userAgent.WEBKIT && goog.dom.isCss1CompatMode_(a) ? a.documentElement : a.body || a.documentElement
};
goog.dom.getWindow = function (a) {
	return a ? goog.dom.getWindow_(a) : window
};
goog.dom.getWindow_ = function (a) {
	return a.parentWindow || a.defaultView
};
goog.dom.createDom = function (a, b, c) {
	return goog.dom.createDom_(document, arguments)
};
goog.dom.createDom_ = function (a, b) {
	var c = String(b[0]),
		d = b[1];
	if (!goog.dom.BrowserFeature.CAN_ADD_NAME_OR_TYPE_ATTRIBUTES && d && (d.name || d.type)) {
		c = ["<", c];
		d.name && c.push(' name="', goog.string.htmlEscape(d.name), '"');
		if (d.type) {
			c.push(' type="', goog.string.htmlEscape(d.type), '"');
			var e = {};
			goog.object.extend(e, d);
			delete e.type;
			d = e
		}
		c.push(">");
		c = c.join("")
	}
	c = a.createElement(c);
	d && (goog.isString(d) ? c.className = d : goog.isArray(d) ? c.className = d.join(" ") : goog.dom.setProperties(c, d));
	2 < b.length && goog.dom.append_(a,
		c, b, 2);
	return c
};
goog.dom.append_ = function (a, b, c, d) {
	function e(c) {
		c && b.appendChild(goog.isString(c) ? a.createTextNode(c) : c)
	}
	for (; d < c.length; d++) {
		var f = c[d];
		goog.isArrayLike(f) && !goog.dom.isNodeLike(f) ? goog.array.forEach(goog.dom.isNodeList(f) ? goog.array.toArray(f) : f, e) : e(f)
	}
};
goog.dom.$dom = goog.dom.createDom;
goog.dom.createElement = function (a) {
	return goog.dom.createElement_(document, a)
};
goog.dom.createElement_ = function (a, b) {
	return a.createElement(String(b))
};
goog.dom.createTextNode = function (a) {
	return document.createTextNode(String(a))
};
goog.dom.createTable = function (a, b, c) {
	return goog.dom.createTable_(document, a, b, !!c)
};
goog.dom.createTable_ = function (a, b, c, d) {
	for (var e = goog.dom.createElement_(a, "TABLE"), f = e.appendChild(goog.dom.createElement_(a, "TBODY")), g = 0; g < b; g++) {
		for (var h = goog.dom.createElement_(a, "TR"), k = 0; k < c; k++) {
			var m = goog.dom.createElement_(a, "TD");
			d && goog.dom.setTextContent(m, goog.string.Unicode.NBSP);
			h.appendChild(m)
		}
		f.appendChild(h)
	}
	return e
};
goog.dom.constHtmlToNode = function (a) {
	var b = goog.array.map(arguments, goog.string.Const.unwrap),
		b = goog.html.uncheckedconversions.safeHtmlFromStringKnownToSatisfyTypeContract(goog.string.Const.from("Constant HTML string, that gets turned into a Node later, so it will be automatically balanced."), b.join(""));
	return goog.dom.safeHtmlToNode(b)
};
goog.dom.safeHtmlToNode = function (a) {
	return goog.dom.safeHtmlToNode_(document, a)
};
goog.dom.safeHtmlToNode_ = function (a, b) {
	var c = goog.dom.createElement_(a, "DIV");
	goog.dom.BrowserFeature.INNER_HTML_NEEDS_SCOPED_ELEMENT ? (goog.dom.safe.setInnerHtml(c, goog.html.SafeHtml.concat(goog.html.SafeHtml.BR, b)), c.removeChild(c.firstChild)) : goog.dom.safe.setInnerHtml(c, b);
	return goog.dom.childrenToNode_(a, c)
};
goog.dom.childrenToNode_ = function (a, b) {
	if (1 == b.childNodes.length) return b.removeChild(b.firstChild);
	for (var c = a.createDocumentFragment() ; b.firstChild;) c.appendChild(b.firstChild);
	return c
};
goog.dom.isCss1CompatMode = function () {
	return goog.dom.isCss1CompatMode_(document)
};
goog.dom.isCss1CompatMode_ = function (a) {
	return goog.dom.COMPAT_MODE_KNOWN_ ? goog.dom.ASSUME_STANDARDS_MODE : "CSS1Compat" == a.compatMode
};
goog.dom.canHaveChildren = function (a) {
	if (a.nodeType != goog.dom.NodeType.ELEMENT) return !1;
	switch (a.tagName) {
		case "APPLET":
		case "AREA":
		case "BASE":
		case "BR":
		case "COL":
		case "COMMAND":
		case "EMBED":
		case "FRAME":
		case "HR":
		case "IMG":
		case "INPUT":
		case "IFRAME":
		case "ISINDEX":
		case "KEYGEN":
		case "LINK":
		case "NOFRAMES":
		case "NOSCRIPT":
		case "META":
		case "OBJECT":
		case "PARAM":
		case "SCRIPT":
		case "SOURCE":
		case "STYLE":
		case "TRACK":
		case "WBR":
			return !1
	}
	return !0
};
goog.dom.appendChild = function (a, b) {
	a.appendChild(b)
};
goog.dom.append = function (a, b) {
	goog.dom.append_(goog.dom.getOwnerDocument(a), a, arguments, 1)
};
goog.dom.removeChildren = function (a) {
	for (var b; b = a.firstChild;) a.removeChild(b)
};
goog.dom.insertSiblingBefore = function (a, b) {
	b.parentNode && b.parentNode.insertBefore(a, b)
};
goog.dom.insertSiblingAfter = function (a, b) {
	b.parentNode && b.parentNode.insertBefore(a, b.nextSibling)
};
goog.dom.insertChildAt = function (a, b, c) {
	a.insertBefore(b, a.childNodes[c] || null)
};
goog.dom.removeNode = function (a) {
	return a && a.parentNode ? a.parentNode.removeChild(a) : null
};
goog.dom.replaceNode = function (a, b) {
	var c = b.parentNode;
	c && c.replaceChild(a, b)
};
goog.dom.flattenElement = function (a) {
	var b, c = a.parentNode;
	if (c && c.nodeType != goog.dom.NodeType.DOCUMENT_FRAGMENT) {
		if (a.removeNode) return a.removeNode(!1);
		for (; b = a.firstChild;) c.insertBefore(b, a);
		return goog.dom.removeNode(a)
	}
};
goog.dom.getChildren = function (a) {
	return goog.dom.BrowserFeature.CAN_USE_CHILDREN_ATTRIBUTE && void 0 != a.children ? a.children : goog.array.filter(a.childNodes, function (a) {
		return a.nodeType == goog.dom.NodeType.ELEMENT
	})
};
goog.dom.getFirstElementChild = function (a) {
	return goog.isDef(a.firstElementChild) ? a.firstElementChild : goog.dom.getNextElementNode_(a.firstChild, !0)
};
goog.dom.getLastElementChild = function (a) {
	return goog.isDef(a.lastElementChild) ? a.lastElementChild : goog.dom.getNextElementNode_(a.lastChild, !1)
};
goog.dom.getNextElementSibling = function (a) {
	return goog.isDef(a.nextElementSibling) ? a.nextElementSibling : goog.dom.getNextElementNode_(a.nextSibling, !0)
};
goog.dom.getPreviousElementSibling = function (a) {
	return goog.isDef(a.previousElementSibling) ? a.previousElementSibling : goog.dom.getNextElementNode_(a.previousSibling, !1)
};
goog.dom.getNextElementNode_ = function (a, b) {
	for (; a && a.nodeType != goog.dom.NodeType.ELEMENT;) a = b ? a.nextSibling : a.previousSibling;
	return a
};
goog.dom.getNextNode = function (a) {
	if (!a) return null;
	if (a.firstChild) return a.firstChild;
	for (; a && !a.nextSibling;) a = a.parentNode;
	return a ? a.nextSibling : null
};
goog.dom.getPreviousNode = function (a) {
	if (!a) return null;
	if (!a.previousSibling) return a.parentNode;
	for (a = a.previousSibling; a && a.lastChild;) a = a.lastChild;
	return a
};
goog.dom.isNodeLike = function (a) {
	return goog.isObject(a) && 0 < a.nodeType
};
goog.dom.isElement = function (a) {
	return goog.isObject(a) && a.nodeType == goog.dom.NodeType.ELEMENT
};
goog.dom.isWindow = function (a) {
	return goog.isObject(a) && a.window == a
};
goog.dom.getParentElement = function (a) {
	var b;
	if (goog.dom.BrowserFeature.CAN_USE_PARENT_ELEMENT_PROPERTY && !(goog.userAgent.IE && goog.userAgent.isVersionOrHigher("9") && !goog.userAgent.isVersionOrHigher("10") && goog.global.SVGElement && a instanceof goog.global.SVGElement) && (b = a.parentElement)) return b;
	b = a.parentNode;
	return goog.dom.isElement(b) ? b : null
};
goog.dom.contains = function (a, b) {
	if (!a || !b) return !1;
	if (a.contains && b.nodeType == goog.dom.NodeType.ELEMENT) return a == b || a.contains(b);
	if ("undefined" != typeof a.compareDocumentPosition) return a == b || !!(a.compareDocumentPosition(b) & 16);
	for (; b && a != b;) b = b.parentNode;
	return b == a
};
goog.dom.compareNodeOrder = function (a, b) {
	if (a == b) return 0;
	if (a.compareDocumentPosition) return a.compareDocumentPosition(b) & 2 ? 1 : -1;
	if (goog.userAgent.IE && !goog.userAgent.isDocumentModeOrHigher(9)) {
		if (a.nodeType == goog.dom.NodeType.DOCUMENT) return -1;
		if (b.nodeType == goog.dom.NodeType.DOCUMENT) return 1
	}
	if ("sourceIndex" in a || a.parentNode && "sourceIndex" in a.parentNode) {
		var c = a.nodeType == goog.dom.NodeType.ELEMENT,
			d = b.nodeType == goog.dom.NodeType.ELEMENT;
		if (c && d) return a.sourceIndex - b.sourceIndex;
		var e = a.parentNode,
			f = b.parentNode;
		return e == f ? goog.dom.compareSiblingOrder_(a, b) : !c && goog.dom.contains(e, b) ? -1 * goog.dom.compareParentsDescendantNodeIe_(a, b) : !d && goog.dom.contains(f, a) ? goog.dom.compareParentsDescendantNodeIe_(b, a) : (c ? a.sourceIndex : e.sourceIndex) - (d ? b.sourceIndex : f.sourceIndex)
	}
	d = goog.dom.getOwnerDocument(a);
	c = d.createRange();
	c.selectNode(a);
	c.collapse(!0);
	d = d.createRange();
	d.selectNode(b);
	d.collapse(!0);
	return c.compareBoundaryPoints(goog.global.Range.START_TO_END, d)
};
goog.dom.compareParentsDescendantNodeIe_ = function (a, b) {
	var c = a.parentNode;
	if (c == b) return -1;
	for (var d = b; d.parentNode != c;) d = d.parentNode;
	return goog.dom.compareSiblingOrder_(d, a)
};
goog.dom.compareSiblingOrder_ = function (a, b) {
	for (var c = b; c = c.previousSibling;)
		if (c == a) return -1;
	return 1
};
goog.dom.findCommonAncestor = function (a) {
	var b, c = arguments.length;
	if (!c) return null;
	if (1 == c) return arguments[0];
	var d = [],
		e = Infinity;
	for (b = 0; b < c; b++) {
		for (var f = [], g = arguments[b]; g;) f.unshift(g), g = g.parentNode;
		d.push(f);
		e = Math.min(e, f.length)
	}
	f = null;
	for (b = 0; b < e; b++) {
		for (var g = d[0][b], h = 1; h < c; h++)
			if (g != d[h][b]) return f;
		f = g
	}
	return f
};
goog.dom.getOwnerDocument = function (a) {
	goog.asserts.assert(a, "Node cannot be null or undefined.");
	return a.nodeType == goog.dom.NodeType.DOCUMENT ? a : a.ownerDocument || a.document
};
goog.dom.getFrameContentDocument = function (a) {
	return a.contentDocument || a.contentWindow.document
};
goog.dom.getFrameContentWindow = function (a) {
	try {
		return a.contentWindow || (a.contentDocument ? goog.dom.getWindow(a.contentDocument) : null)
	} catch (b) { }
	return null
};
goog.dom.setTextContent = function (a, b) {
	goog.asserts.assert(null != a, "goog.dom.setTextContent expects a non-null value for node");
	if ("textContent" in a) a.textContent = b;
	else if (a.nodeType == goog.dom.NodeType.TEXT) a.data = b;
	else if (a.firstChild && a.firstChild.nodeType == goog.dom.NodeType.TEXT) {
		for (; a.lastChild != a.firstChild;) a.removeChild(a.lastChild);
		a.firstChild.data = b
	} else {
		goog.dom.removeChildren(a);
		var c = goog.dom.getOwnerDocument(a);
		a.appendChild(c.createTextNode(String(b)))
	}
};
goog.dom.getOuterHtml = function (a) {
	goog.asserts.assert(null !== a, "goog.dom.getOuterHtml expects a non-null value for element");
	if ("outerHTML" in a) return a.outerHTML;
	var b = goog.dom.getOwnerDocument(a),
		b = goog.dom.createElement_(b, "DIV");
	b.appendChild(a.cloneNode(!0));
	return b.innerHTML
};
goog.dom.findNode = function (a, b) {
	var c = [];
	return goog.dom.findNodes_(a, b, c, !0) ? c[0] : void 0
};
goog.dom.findNodes = function (a, b) {
	var c = [];
	goog.dom.findNodes_(a, b, c, !1);
	return c
};
goog.dom.findNodes_ = function (a, b, c, d) {
	if (null != a)
		for (a = a.firstChild; a;) {
			if (b(a) && (c.push(a), d) || goog.dom.findNodes_(a, b, c, d)) return !0;
			a = a.nextSibling
		}
	return !1
};
goog.dom.TAGS_TO_IGNORE_ = {
	SCRIPT: 1,
	STYLE: 1,
	HEAD: 1,
	IFRAME: 1,
	OBJECT: 1
};
goog.dom.PREDEFINED_TAG_VALUES_ = {
	IMG: " ",
	BR: "\n"
};
goog.dom.isFocusableTabIndex = function (a) {
	return goog.dom.hasSpecifiedTabIndex_(a) && goog.dom.isTabIndexFocusable_(a)
};
goog.dom.setFocusableTabIndex = function (a, b) {
	b ? a.tabIndex = 0 : (a.tabIndex = -1, a.removeAttribute("tabIndex"))
};
goog.dom.isFocusable = function (a) {
	var b;
	return (b = goog.dom.nativelySupportsFocus_(a) ? !a.disabled && (!goog.dom.hasSpecifiedTabIndex_(a) || goog.dom.isTabIndexFocusable_(a)) : goog.dom.isFocusableTabIndex(a)) && goog.userAgent.IE ? goog.dom.hasNonZeroBoundingRect_(a) : b
};
goog.dom.hasSpecifiedTabIndex_ = function (a) {
	return goog.userAgent.IE && !goog.userAgent.isVersionOrHigher("9") ? (a = a.getAttributeNode("tabindex"), goog.isDefAndNotNull(a) && a.specified) : a.hasAttribute("tabindex")
};
goog.dom.isTabIndexFocusable_ = function (a) {
	a = a.tabIndex;
	return goog.isNumber(a) && 0 <= a && 32768 > a
};
goog.dom.nativelySupportsFocus_ = function (a) {
	return "A" == a.tagName || "INPUT" == a.tagName || "TEXTAREA" == a.tagName || "SELECT" == a.tagName || "BUTTON" == a.tagName
};
goog.dom.hasNonZeroBoundingRect_ = function (a) {
	a = !goog.isFunction(a.getBoundingClientRect) || goog.userAgent.IE && null == a.parentElement ? {
		height: a.offsetHeight,
		width: a.offsetWidth
	} : a.getBoundingClientRect();
	return goog.isDefAndNotNull(a) && 0 < a.height && 0 < a.width
};
goog.dom.getTextContent = function (a) {
	if (goog.dom.BrowserFeature.CAN_USE_INNER_TEXT && null !== a && "innerText" in a) a = goog.string.canonicalizeNewlines(a.innerText);
	else {
		var b = [];
		goog.dom.getTextContent_(a, b, !0);
		a = b.join("")
	}
	a = a.replace(/ \xAD /g, " ").replace(/\xAD/g, "");
	a = a.replace(/\u200B/g, "");
	goog.dom.BrowserFeature.CAN_USE_INNER_TEXT || (a = a.replace(/ +/g, " "));
	" " != a && (a = a.replace(/^\s*/, ""));
	return a
};
goog.dom.getRawTextContent = function (a) {
	var b = [];
	goog.dom.getTextContent_(a, b, !1);
	return b.join("")
};
goog.dom.getTextContent_ = function (a, b, c) {
	if (!(a.nodeName in goog.dom.TAGS_TO_IGNORE_))
		if (a.nodeType == goog.dom.NodeType.TEXT) c ? b.push(String(a.nodeValue).replace(/(\r\n|\r|\n)/g, "")) : b.push(a.nodeValue);
		else if (a.nodeName in goog.dom.PREDEFINED_TAG_VALUES_) b.push(goog.dom.PREDEFINED_TAG_VALUES_[a.nodeName]);
		else
			for (a = a.firstChild; a;) goog.dom.getTextContent_(a, b, c), a = a.nextSibling
};
goog.dom.getNodeTextLength = function (a) {
	return goog.dom.getTextContent(a).length
};
goog.dom.getNodeTextOffset = function (a, b) {
	for (var c = b || goog.dom.getOwnerDocument(a).body, d = []; a && a != c;) {
		for (var e = a; e = e.previousSibling;) d.unshift(goog.dom.getTextContent(e));
		a = a.parentNode
	}
	return goog.string.trimLeft(d.join("")).replace(/ +/g, " ").length
};
goog.dom.getNodeAtOffset = function (a, b, c) {
	a = [a];
	for (var d = 0, e = null; 0 < a.length && d < b;)
		if (e = a.pop(), !(e.nodeName in goog.dom.TAGS_TO_IGNORE_))
			if (e.nodeType == goog.dom.NodeType.TEXT) var f = e.nodeValue.replace(/(\r\n|\r|\n)/g, "").replace(/ +/g, " "),
				d = d + f.length;
			else if (e.nodeName in goog.dom.PREDEFINED_TAG_VALUES_) d += goog.dom.PREDEFINED_TAG_VALUES_[e.nodeName].length;
			else
				for (f = e.childNodes.length - 1; 0 <= f; f--) a.push(e.childNodes[f]);
	goog.isObject(c) && (c.remainder = e ? e.nodeValue.length + b - d - 1 : 0, c.node = e);
	return e
};
goog.dom.isNodeList = function (a) {
	if (a && "number" == typeof a.length) {
		if (goog.isObject(a)) return "function" == typeof a.item || "string" == typeof a.item;
		if (goog.isFunction(a)) return "function" == typeof a.item
	}
	return !1
};
goog.dom.getAncestorByTagNameAndClass = function (a, b, c, d) {
	if (!b && !c) return null;
	var e = b ? String(b).toUpperCase() : null;
	return goog.dom.getAncestor(a, function (a) {
		return (!e || a.nodeName == e) && (!c || goog.isString(a.className) && goog.array.contains(a.className.split(/\s+/), c))
	}, !0, d)
};
goog.dom.getAncestorByClass = function (a, b, c) {
	return goog.dom.getAncestorByTagNameAndClass(a, null, b, c)
};
goog.dom.getAncestor = function (a, b, c, d) {
	c || (a = a.parentNode);
	for (c = 0; a && (null == d || c <= d) ;) {
		goog.asserts.assert("parentNode" != a.name);
		if (b(a)) return a;
		a = a.parentNode;
		c++
	}
	return null
};
goog.dom.getActiveElement = function (a) {
	try {
		return a && a.activeElement
	} catch (b) { }
	return null
};
goog.dom.getPixelRatio = function () {
	var a = goog.dom.getWindow();
	return goog.isDef(a.devicePixelRatio) ? a.devicePixelRatio : a.matchMedia ? goog.dom.matchesPixelRatio_(3) || goog.dom.matchesPixelRatio_(2) || goog.dom.matchesPixelRatio_(1.5) || goog.dom.matchesPixelRatio_(1) || .75 : 1
};
goog.dom.matchesPixelRatio_ = function (a) {
	return goog.dom.getWindow().matchMedia("(min-resolution: " + a + "dppx),(min--moz-device-pixel-ratio: " + a + "),(min-resolution: " + 96 * a + "dpi)").matches ? a : 0
};
goog.dom.getCanvasContext2D = function (a) {
	return a.getContext("2d")
};
goog.dom.DomHelper = function (a) {
	this.document_ = a || goog.global.document || document
};
goog.dom.DomHelper.prototype.getDomHelper = goog.dom.getDomHelper;
goog.dom.DomHelper.prototype.setDocument = function (a) {
	this.document_ = a
};
goog.dom.DomHelper.prototype.getDocument = function () {
	return this.document_
};
goog.dom.DomHelper.prototype.getElement = function (a) {
	return goog.dom.getElementHelper_(this.document_, a)
};
goog.dom.DomHelper.prototype.getRequiredElement = function (a) {
	return goog.dom.getRequiredElementHelper_(this.document_, a)
};
goog.dom.DomHelper.prototype.$ = goog.dom.DomHelper.prototype.getElement;
goog.dom.DomHelper.prototype.getElementsByTagName = function (a, b) {
	return (b || this.document_).getElementsByTagName(String(a))
};
goog.dom.DomHelper.prototype.getElementsByTagNameAndClass = function (a, b, c) {
	return goog.dom.getElementsByTagNameAndClass_(this.document_, a, b, c)
};
goog.dom.DomHelper.prototype.getElementsByClass = function (a, b) {
	return goog.dom.getElementsByClass(a, b || this.document_)
};
goog.dom.DomHelper.prototype.getElementByClass = function (a, b) {
	return goog.dom.getElementByClass(a, b || this.document_)
};
goog.dom.DomHelper.prototype.getRequiredElementByClass = function (a, b) {
	return goog.dom.getRequiredElementByClass(a, b || this.document_)
};
goog.dom.DomHelper.prototype.$$ = goog.dom.DomHelper.prototype.getElementsByTagNameAndClass;
goog.dom.DomHelper.prototype.setProperties = goog.dom.setProperties;
goog.dom.DomHelper.prototype.getViewportSize = function (a) {
	return goog.dom.getViewportSize(a || this.getWindow())
};
goog.dom.DomHelper.prototype.getDocumentHeight = function () {
	return goog.dom.getDocumentHeight_(this.getWindow())
};
goog.dom.DomHelper.prototype.createDom = function (a, b, c) {
	return goog.dom.createDom_(this.document_, arguments)
};
goog.dom.DomHelper.prototype.$dom = goog.dom.DomHelper.prototype.createDom;
goog.dom.DomHelper.prototype.createElement = function (a) {
	return goog.dom.createElement_(this.document_, a)
};
goog.dom.DomHelper.prototype.createTextNode = function (a) {
	return this.document_.createTextNode(String(a))
};
goog.dom.DomHelper.prototype.createTable = function (a, b, c) {
	return goog.dom.createTable_(this.document_, a, b, !!c)
};
goog.dom.DomHelper.prototype.safeHtmlToNode = function (a) {
	return goog.dom.safeHtmlToNode_(this.document_, a)
};
goog.dom.DomHelper.prototype.isCss1CompatMode = function () {
	return goog.dom.isCss1CompatMode_(this.document_)
};
goog.dom.DomHelper.prototype.getWindow = function () {
	return goog.dom.getWindow_(this.document_)
};
goog.dom.DomHelper.prototype.getDocumentScrollElement = function () {
	return goog.dom.getDocumentScrollElement_(this.document_)
};
goog.dom.DomHelper.prototype.getDocumentScroll = function () {
	return goog.dom.getDocumentScroll_(this.document_)
};
goog.dom.DomHelper.prototype.getActiveElement = function (a) {
	return goog.dom.getActiveElement(a || this.document_)
};
goog.dom.DomHelper.prototype.appendChild = goog.dom.appendChild;
goog.dom.DomHelper.prototype.append = goog.dom.append;
goog.dom.DomHelper.prototype.canHaveChildren = goog.dom.canHaveChildren;
goog.dom.DomHelper.prototype.removeChildren = goog.dom.removeChildren;
goog.dom.DomHelper.prototype.insertSiblingBefore = goog.dom.insertSiblingBefore;
goog.dom.DomHelper.prototype.insertSiblingAfter = goog.dom.insertSiblingAfter;
goog.dom.DomHelper.prototype.insertChildAt = goog.dom.insertChildAt;
goog.dom.DomHelper.prototype.removeNode = goog.dom.removeNode;
goog.dom.DomHelper.prototype.replaceNode = goog.dom.replaceNode;
goog.dom.DomHelper.prototype.flattenElement = goog.dom.flattenElement;
goog.dom.DomHelper.prototype.getChildren = goog.dom.getChildren;
goog.dom.DomHelper.prototype.getFirstElementChild = goog.dom.getFirstElementChild;
goog.dom.DomHelper.prototype.getLastElementChild = goog.dom.getLastElementChild;
goog.dom.DomHelper.prototype.getNextElementSibling = goog.dom.getNextElementSibling;
goog.dom.DomHelper.prototype.getPreviousElementSibling = goog.dom.getPreviousElementSibling;
goog.dom.DomHelper.prototype.getNextNode = goog.dom.getNextNode;
goog.dom.DomHelper.prototype.getPreviousNode = goog.dom.getPreviousNode;
goog.dom.DomHelper.prototype.isNodeLike = goog.dom.isNodeLike;
goog.dom.DomHelper.prototype.isElement = goog.dom.isElement;
goog.dom.DomHelper.prototype.isWindow = goog.dom.isWindow;
goog.dom.DomHelper.prototype.getParentElement = goog.dom.getParentElement;
goog.dom.DomHelper.prototype.contains = goog.dom.contains;
goog.dom.DomHelper.prototype.compareNodeOrder = goog.dom.compareNodeOrder;
goog.dom.DomHelper.prototype.findCommonAncestor = goog.dom.findCommonAncestor;
goog.dom.DomHelper.prototype.getOwnerDocument = goog.dom.getOwnerDocument;
goog.dom.DomHelper.prototype.getFrameContentDocument = goog.dom.getFrameContentDocument;
goog.dom.DomHelper.prototype.getFrameContentWindow = goog.dom.getFrameContentWindow;
goog.dom.DomHelper.prototype.setTextContent = goog.dom.setTextContent;
goog.dom.DomHelper.prototype.getOuterHtml = goog.dom.getOuterHtml;
goog.dom.DomHelper.prototype.findNode = goog.dom.findNode;
goog.dom.DomHelper.prototype.findNodes = goog.dom.findNodes;
goog.dom.DomHelper.prototype.isFocusableTabIndex = goog.dom.isFocusableTabIndex;
goog.dom.DomHelper.prototype.setFocusableTabIndex = goog.dom.setFocusableTabIndex;
goog.dom.DomHelper.prototype.isFocusable = goog.dom.isFocusable;
goog.dom.DomHelper.prototype.getTextContent = goog.dom.getTextContent;
goog.dom.DomHelper.prototype.getNodeTextLength = goog.dom.getNodeTextLength;
goog.dom.DomHelper.prototype.getNodeTextOffset = goog.dom.getNodeTextOffset;
goog.dom.DomHelper.prototype.getNodeAtOffset = goog.dom.getNodeAtOffset;
goog.dom.DomHelper.prototype.isNodeList = goog.dom.isNodeList;
goog.dom.DomHelper.prototype.getAncestorByTagNameAndClass = goog.dom.getAncestorByTagNameAndClass;
goog.dom.DomHelper.prototype.getAncestorByClass = goog.dom.getAncestorByClass;
goog.dom.DomHelper.prototype.getAncestor = goog.dom.getAncestor;
goog.dom.DomHelper.prototype.getCanvasContext2D = goog.dom.getCanvasContext2D;
goog.dom.vendor = {};
goog.dom.vendor.getVendorJsPrefix = function () {
	return goog.userAgent.WEBKIT ? "Webkit" : goog.userAgent.GECKO ? "Moz" : goog.userAgent.IE ? "ms" : goog.userAgent.OPERA ? "O" : null
};
goog.dom.vendor.getVendorPrefix = function () {
	return goog.userAgent.WEBKIT ? "-webkit" : goog.userAgent.GECKO ? "-moz" : goog.userAgent.IE ? "-ms" : goog.userAgent.OPERA ? "-o" : null
};
goog.dom.vendor.getPrefixedPropertyName = function (a, b) {
	if (b && a in b) return a;
	var c = goog.dom.vendor.getVendorJsPrefix();
	return c ? (c = c.toLowerCase(), c += goog.string.toTitleCase(a), !goog.isDef(b) || c in b ? c : null) : null
};
goog.dom.vendor.getPrefixedEventType = function (a) {
	return ((goog.dom.vendor.getVendorJsPrefix() || "") + a).toLowerCase()
};
goog.html.legacyconversions = {};
goog.html.legacyconversions.safeHtmlFromString = function (a) {
	goog.html.legacyconversions.reportCallback_();
	return goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(a, null)
};
goog.html.legacyconversions.safeStyleFromString = function (a) {
	goog.html.legacyconversions.reportCallback_();
	return goog.html.SafeStyle.createSafeStyleSecurityPrivateDoNotAccessOrElse(a)
};
goog.html.legacyconversions.safeStyleSheetFromString = function (a) {
	goog.html.legacyconversions.reportCallback_();
	return goog.html.SafeStyleSheet.createSafeStyleSheetSecurityPrivateDoNotAccessOrElse(a)
};
goog.html.legacyconversions.safeUrlFromString = function (a) {
	goog.html.legacyconversions.reportCallback_();
	return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(a)
};
goog.html.legacyconversions.trustedResourceUrlFromString = function (a) {
	goog.html.legacyconversions.reportCallback_();
	return goog.html.TrustedResourceUrl.createTrustedResourceUrlSecurityPrivateDoNotAccessOrElse(a)
};
goog.html.legacyconversions.reportCallback_ = goog.nullFunction;
goog.html.legacyconversions.setReportCallback = function (a) {
	goog.html.legacyconversions.reportCallback_ = a
};
goog.math.Box = function (a, b, c, d) {
	this.top = a;
	this.right = b;
	this.bottom = c;
	this.left = d
};
goog.math.Box.boundingBox = function (a) {
	for (var b = new goog.math.Box(arguments[0].y, arguments[0].x, arguments[0].y, arguments[0].x), c = 1; c < arguments.length; c++) b.expandToIncludeCoordinate(arguments[c]);
	return b
};
goog.math.Box.prototype.getWidth = function () {
	return this.right - this.left
};
goog.math.Box.prototype.getHeight = function () {
	return this.bottom - this.top
};
goog.math.Box.prototype.clone = function () {
	return new goog.math.Box(this.top, this.right, this.bottom, this.left)
};
goog.DEBUG && (goog.math.Box.prototype.toString = function () {
	return "(" + this.top + "t, " + this.right + "r, " + this.bottom + "b, " + this.left + "l)"
});
goog.math.Box.prototype.contains = function (a) {
	return goog.math.Box.contains(this, a)
};
goog.math.Box.prototype.expand = function (a, b, c, d) {
	goog.isObject(a) ? (this.top -= a.top, this.right += a.right, this.bottom += a.bottom, this.left -= a.left) : (this.top -= a, this.right += Number(b), this.bottom += Number(c), this.left -= Number(d));
	return this
};
goog.math.Box.prototype.expandToInclude = function (a) {
	this.left = Math.min(this.left, a.left);
	this.top = Math.min(this.top, a.top);
	this.right = Math.max(this.right, a.right);
	this.bottom = Math.max(this.bottom, a.bottom)
};
goog.math.Box.prototype.expandToIncludeCoordinate = function (a) {
	this.top = Math.min(this.top, a.y);
	this.right = Math.max(this.right, a.x);
	this.bottom = Math.max(this.bottom, a.y);
	this.left = Math.min(this.left, a.x)
};
goog.math.Box.equals = function (a, b) {
	return a == b ? !0 : a && b ? a.top == b.top && a.right == b.right && a.bottom == b.bottom && a.left == b.left : !1
};
goog.math.Box.contains = function (a, b) {
	return a && b ? b instanceof goog.math.Box ? b.left >= a.left && b.right <= a.right && b.top >= a.top && b.bottom <= a.bottom : b.x >= a.left && b.x <= a.right && b.y >= a.top && b.y <= a.bottom : !1
};
goog.math.Box.relativePositionX = function (a, b) {
	return b.x < a.left ? b.x - a.left : b.x > a.right ? b.x - a.right : 0
};
goog.math.Box.relativePositionY = function (a, b) {
	return b.y < a.top ? b.y - a.top : b.y > a.bottom ? b.y - a.bottom : 0
};
goog.math.Box.distance = function (a, b) {
	var c = goog.math.Box.relativePositionX(a, b),
		d = goog.math.Box.relativePositionY(a, b);
	return Math.sqrt(c * c + d * d)
};
goog.math.Box.intersects = function (a, b) {
	return a.left <= b.right && b.left <= a.right && a.top <= b.bottom && b.top <= a.bottom
};
goog.math.Box.intersectsWithPadding = function (a, b, c) {
	return a.left <= b.right + c && b.left <= a.right + c && a.top <= b.bottom + c && b.top <= a.bottom + c
};
goog.math.Box.prototype.ceil = function () {
	this.top = Math.ceil(this.top);
	this.right = Math.ceil(this.right);
	this.bottom = Math.ceil(this.bottom);
	this.left = Math.ceil(this.left);
	return this
};
goog.math.Box.prototype.floor = function () {
	this.top = Math.floor(this.top);
	this.right = Math.floor(this.right);
	this.bottom = Math.floor(this.bottom);
	this.left = Math.floor(this.left);
	return this
};
goog.math.Box.prototype.round = function () {
	this.top = Math.round(this.top);
	this.right = Math.round(this.right);
	this.bottom = Math.round(this.bottom);
	this.left = Math.round(this.left);
	return this
};
goog.math.Box.prototype.translate = function (a, b) {
	a instanceof goog.math.Coordinate ? (this.left += a.x, this.right += a.x, this.top += a.y, this.bottom += a.y) : (goog.asserts.assertNumber(a), this.left += a, this.right += a, goog.isNumber(b) && (this.top += b, this.bottom += b));
	return this
};
goog.math.Box.prototype.scale = function (a, b) {
	var c = goog.isNumber(b) ? b : a;
	this.left *= a;
	this.right *= a;
	this.top *= c;
	this.bottom *= c;
	return this
};
goog.math.IRect = function () { };
goog.math.Rect = function (a, b, c, d) {
	this.left = a;
	this.top = b;
	this.width = c;
	this.height = d
};
goog.math.Rect.prototype.clone = function () {
	return new goog.math.Rect(this.left, this.top, this.width, this.height)
};
goog.math.Rect.prototype.toBox = function () {
	return new goog.math.Box(this.top, this.left + this.width, this.top + this.height, this.left)
};
goog.math.Rect.createFromPositionAndSize = function (a, b) {
	return new goog.math.Rect(a.x, a.y, b.width, b.height)
};
goog.math.Rect.createFromBox = function (a) {
	return new goog.math.Rect(a.left, a.top, a.right - a.left, a.bottom - a.top)
};
goog.DEBUG && (goog.math.Rect.prototype.toString = function () {
	return "(" + this.left + ", " + this.top + " - " + this.width + "w x " + this.height + "h)"
});
goog.math.Rect.equals = function (a, b) {
	return a == b ? !0 : a && b ? a.left == b.left && a.width == b.width && a.top == b.top && a.height == b.height : !1
};
goog.math.Rect.prototype.intersection = function (a) {
	var b = Math.max(this.left, a.left),
		c = Math.min(this.left + this.width, a.left + a.width);
	if (b <= c) {
		var d = Math.max(this.top, a.top);
		a = Math.min(this.top + this.height, a.top + a.height);
		if (d <= a) return this.left = b, this.top = d, this.width = c - b, this.height = a - d, !0
	}
	return !1
};
goog.math.Rect.intersection = function (a, b) {
	var c = Math.max(a.left, b.left),
		d = Math.min(a.left + a.width, b.left + b.width);
	if (c <= d) {
		var e = Math.max(a.top, b.top),
			f = Math.min(a.top + a.height, b.top + b.height);
		if (e <= f) return new goog.math.Rect(c, e, d - c, f - e)
	}
	return null
};
goog.math.Rect.intersects = function (a, b) {
	return a.left <= b.left + b.width && b.left <= a.left + a.width && a.top <= b.top + b.height && b.top <= a.top + a.height
};
goog.math.Rect.prototype.intersects = function (a) {
	return goog.math.Rect.intersects(this, a)
};
goog.math.Rect.difference = function (a, b) {
	var c = goog.math.Rect.intersection(a, b);
	if (!c || !c.height || !c.width) return [a.clone()];
	var c = [],
		d = a.top,
		e = a.height,
		f = a.left + a.width,
		g = a.top + a.height,
		h = b.left + b.width,
		k = b.top + b.height;
	b.top > a.top && (c.push(new goog.math.Rect(a.left, a.top, a.width, b.top - a.top)), d = b.top, e -= b.top - a.top);
	k < g && (c.push(new goog.math.Rect(a.left, k, a.width, g - k)), e = k - d);
	b.left > a.left && c.push(new goog.math.Rect(a.left, d, b.left - a.left, e));
	h < f && c.push(new goog.math.Rect(h, d, f - h, e));
	return c
};
goog.math.Rect.prototype.difference = function (a) {
	return goog.math.Rect.difference(this, a)
};
goog.math.Rect.prototype.boundingRect = function (a) {
	var b = Math.max(this.left + this.width, a.left + a.width),
		c = Math.max(this.top + this.height, a.top + a.height);
	this.left = Math.min(this.left, a.left);
	this.top = Math.min(this.top, a.top);
	this.width = b - this.left;
	this.height = c - this.top
};
goog.math.Rect.boundingRect = function (a, b) {
	if (!a || !b) return null;
	var c = new goog.math.Rect(a.left, a.top, a.width, a.height);
	c.boundingRect(b);
	return c
};
goog.math.Rect.prototype.contains = function (a) {
	return a instanceof goog.math.Coordinate ? a.x >= this.left && a.x <= this.left + this.width && a.y >= this.top && a.y <= this.top + this.height : this.left <= a.left && this.left + this.width >= a.left + a.width && this.top <= a.top && this.top + this.height >= a.top + a.height
};
goog.math.Rect.prototype.squaredDistance = function (a) {
	var b = a.x < this.left ? this.left - a.x : Math.max(a.x - (this.left + this.width), 0);
	a = a.y < this.top ? this.top - a.y : Math.max(a.y - (this.top + this.height), 0);
	return b * b + a * a
};
goog.math.Rect.prototype.distance = function (a) {
	return Math.sqrt(this.squaredDistance(a))
};
goog.math.Rect.prototype.getSize = function () {
	return new goog.math.Size(this.width, this.height)
};
goog.math.Rect.prototype.getTopLeft = function () {
	return new goog.math.Coordinate(this.left, this.top)
};
goog.math.Rect.prototype.getCenter = function () {
	return new goog.math.Coordinate(this.left + this.width / 2, this.top + this.height / 2)
};
goog.math.Rect.prototype.getBottomRight = function () {
	return new goog.math.Coordinate(this.left + this.width, this.top + this.height)
};
goog.math.Rect.prototype.ceil = function () {
	this.left = Math.ceil(this.left);
	this.top = Math.ceil(this.top);
	this.width = Math.ceil(this.width);
	this.height = Math.ceil(this.height);
	return this
};
goog.math.Rect.prototype.floor = function () {
	this.left = Math.floor(this.left);
	this.top = Math.floor(this.top);
	this.width = Math.floor(this.width);
	this.height = Math.floor(this.height);
	return this
};
goog.math.Rect.prototype.round = function () {
	this.left = Math.round(this.left);
	this.top = Math.round(this.top);
	this.width = Math.round(this.width);
	this.height = Math.round(this.height);
	return this
};
goog.math.Rect.prototype.translate = function (a, b) {
	a instanceof goog.math.Coordinate ? (this.left += a.x, this.top += a.y) : (this.left += goog.asserts.assertNumber(a), goog.isNumber(b) && (this.top += b));
	return this
};
goog.math.Rect.prototype.scale = function (a, b) {
	var c = goog.isNumber(b) ? b : a;
	this.left *= a;
	this.width *= a;
	this.top *= c;
	this.height *= c;
	return this
};
goog.style = {};
goog.style.setStyle = function (a, b, c) {
	if (goog.isString(b)) goog.style.setStyle_(a, c, b);
	else
		for (var d in b) goog.style.setStyle_(a, b[d], d)
};
goog.style.setStyle_ = function (a, b, c) {
	(c = goog.style.getVendorJsStyleName_(a, c)) && (a.style[c] = b)
};
goog.style.styleNameCache_ = {};
goog.style.getVendorJsStyleName_ = function (a, b) {
	var c = goog.style.styleNameCache_[b];
	if (!c) {
		var d = goog.string.toCamelCase(b),
			c = d;
		void 0 === a.style[d] && (d = goog.dom.vendor.getVendorJsPrefix() + goog.string.toTitleCase(d), void 0 !== a.style[d] && (c = d));
		goog.style.styleNameCache_[b] = c
	}
	return c
};
goog.style.getVendorStyleName_ = function (a, b) {
	var c = goog.string.toCamelCase(b);
	return void 0 === a.style[c] && (c = goog.dom.vendor.getVendorJsPrefix() + goog.string.toTitleCase(c), void 0 !== a.style[c]) ? goog.dom.vendor.getVendorPrefix() + "-" + b : b
};
goog.style.getStyle = function (a, b) {
	var c = a.style[goog.string.toCamelCase(b)];
	return "undefined" !== typeof c ? c : a.style[goog.style.getVendorJsStyleName_(a, b)] || ""
};
goog.style.getComputedStyle = function (a, b) {
	var c = goog.dom.getOwnerDocument(a);
	return c.defaultView && c.defaultView.getComputedStyle && (c = c.defaultView.getComputedStyle(a, null)) ? c[b] || c.getPropertyValue(b) || "" : ""
};
goog.style.getCascadedStyle = function (a, b) {
	return a.currentStyle ? a.currentStyle[b] : null
};
goog.style.getStyle_ = function (a, b) {
	return goog.style.getComputedStyle(a, b) || goog.style.getCascadedStyle(a, b) || a.style && a.style[b]
};
goog.style.getComputedBoxSizing = function (a) {
	return goog.style.getStyle_(a, "boxSizing") || goog.style.getStyle_(a, "MozBoxSizing") || goog.style.getStyle_(a, "WebkitBoxSizing") || null
};
goog.style.getComputedPosition = function (a) {
	return goog.style.getStyle_(a, "position")
};
goog.style.getBackgroundColor = function (a) {
	return goog.style.getStyle_(a, "backgroundColor")
};
goog.style.getComputedOverflowX = function (a) {
	return goog.style.getStyle_(a, "overflowX")
};
goog.style.getComputedOverflowY = function (a) {
	return goog.style.getStyle_(a, "overflowY")
};
goog.style.getComputedZIndex = function (a) {
	return goog.style.getStyle_(a, "zIndex")
};
goog.style.getComputedTextAlign = function (a) {
	return goog.style.getStyle_(a, "textAlign")
};
goog.style.getComputedCursor = function (a) {
	return goog.style.getStyle_(a, "cursor")
};
goog.style.getComputedTransform = function (a) {
	var b = goog.style.getVendorStyleName_(a, "transform");
	return goog.style.getStyle_(a, b) || goog.style.getStyle_(a, "transform")
};
goog.style.setPosition = function (a, b, c) {
	var d;
	b instanceof goog.math.Coordinate ? (d = b.x, b = b.y) : (d = b, b = c);
	a.style.left = goog.style.getPixelStyleValue_(d, !1);
	a.style.top = goog.style.getPixelStyleValue_(b, !1)
};
goog.style.getPosition = function (a) {
	return new goog.math.Coordinate(a.offsetLeft, a.offsetTop)
};
goog.style.getClientViewportElement = function (a) {
	a = a ? goog.dom.getOwnerDocument(a) : goog.dom.getDocument();
	return !goog.userAgent.IE || goog.userAgent.isDocumentModeOrHigher(9) || goog.dom.getDomHelper(a).isCss1CompatMode() ? a.documentElement : a.body
};
goog.style.getViewportPageOffset = function (a) {
	var b = a.body;
	a = a.documentElement;
	return new goog.math.Coordinate(b.scrollLeft || a.scrollLeft, b.scrollTop || a.scrollTop)
};
goog.style.getBoundingClientRect_ = function (a) {
	var b;
	try {
		b = a.getBoundingClientRect()
	} catch (c) {
		return {
			left: 0,
			top: 0,
			right: 0,
			bottom: 0
		}
	}
	goog.userAgent.IE && a.ownerDocument.body && (a = a.ownerDocument, b.left -= a.documentElement.clientLeft + a.body.clientLeft, b.top -= a.documentElement.clientTop + a.body.clientTop);
	return b
};
goog.style.getOffsetParent = function (a) {
	if (goog.userAgent.IE && !goog.userAgent.isDocumentModeOrHigher(8)) return goog.asserts.assert(a && "offsetParent" in a), a.offsetParent;
	var b = goog.dom.getOwnerDocument(a),
		c = goog.style.getStyle_(a, "position"),
		d = "fixed" == c || "absolute" == c;
	for (a = a.parentNode; a && a != b; a = a.parentNode)
		if (a.nodeType == goog.dom.NodeType.DOCUMENT_FRAGMENT && a.host && (a = a.host), c = goog.style.getStyle_(a, "position"), d = d && "static" == c && a != b.documentElement && a != b.body, !d && (a.scrollWidth > a.clientWidth ||
				a.scrollHeight > a.clientHeight || "fixed" == c || "absolute" == c || "relative" == c)) return a;
	return null
};
goog.style.getVisibleRectForElement = function (a) {
	for (var b = new goog.math.Box(0, Infinity, Infinity, 0), c = goog.dom.getDomHelper(a), d = c.getDocument().body, e = c.getDocument().documentElement, f = c.getDocumentScrollElement() ; a = goog.style.getOffsetParent(a) ;)
		if (!(goog.userAgent.IE && 0 == a.clientWidth || goog.userAgent.WEBKIT && 0 == a.clientHeight && a == d) && a != d && a != e && "visible" != goog.style.getStyle_(a, "overflow")) {
			var g = goog.style.getPageOffset(a),
				h = goog.style.getClientLeftTop(a);
			g.x += h.x;
			g.y += h.y;
			b.top = Math.max(b.top,
				g.y);
			b.right = Math.min(b.right, g.x + a.clientWidth);
			b.bottom = Math.min(b.bottom, g.y + a.clientHeight);
			b.left = Math.max(b.left, g.x)
		}
	d = f.scrollLeft;
	f = f.scrollTop;
	b.left = Math.max(b.left, d);
	b.top = Math.max(b.top, f);
	c = c.getViewportSize();
	b.right = Math.min(b.right, d + c.width);
	b.bottom = Math.min(b.bottom, f + c.height);
	return 0 <= b.top && 0 <= b.left && b.bottom > b.top && b.right > b.left ? b : null
};
goog.style.getContainerOffsetToScrollInto = function (a, b, c) {
	var d = b || goog.dom.getDocumentScrollElement(),
		e = goog.style.getPageOffset(a),
		f = goog.style.getPageOffset(d),
		g = goog.style.getBorderBox(d);
	d == goog.dom.getDocumentScrollElement() ? (b = e.x - d.scrollLeft, e = e.y - d.scrollTop, goog.userAgent.IE && !goog.userAgent.isDocumentModeOrHigher(10) && (b += g.left, e += g.top)) : (b = e.x - f.x - g.left, e = e.y - f.y - g.top);
	g = goog.style.getSizeWithDisplay_(a);
	a = d.clientWidth - g.width;
	g = d.clientHeight - g.height;
	f = d.scrollLeft;
	d = d.scrollTop;
	c ? (f += b - a / 2, d += e - g / 2) : (f += Math.min(b, Math.max(b - a, 0)), d += Math.min(e, Math.max(e - g, 0)));
	return new goog.math.Coordinate(f, d)
};
goog.style.scrollIntoContainerView = function (a, b, c) {
	b = b || goog.dom.getDocumentScrollElement();
	a = goog.style.getContainerOffsetToScrollInto(a, b, c);
	b.scrollLeft = a.x;
	b.scrollTop = a.y
};
goog.style.getClientLeftTop = function (a) {
	return new goog.math.Coordinate(a.clientLeft, a.clientTop)
};
goog.style.getPageOffset = function (a) {
	var b = goog.dom.getOwnerDocument(a);
	goog.asserts.assertObject(a, "Parameter is required");
	var c = new goog.math.Coordinate(0, 0),
		d = goog.style.getClientViewportElement(b);
	if (a == d) return c;
	a = goog.style.getBoundingClientRect_(a);
	b = goog.dom.getDomHelper(b).getDocumentScroll();
	c.x = a.left + b.x;
	c.y = a.top + b.y;
	return c
};
goog.style.getPageOffsetLeft = function (a) {
	return goog.style.getPageOffset(a).x
};
goog.style.getPageOffsetTop = function (a) {
	return goog.style.getPageOffset(a).y
};
goog.style.getFramedPageOffset = function (a, b) {
	var c = new goog.math.Coordinate(0, 0),
		d = goog.dom.getWindow(goog.dom.getOwnerDocument(a));
	if (!goog.reflect.canAccessProperty(d, "parent")) return c;
	var e = a;
	do {
		var f = d == b ? goog.style.getPageOffset(e) : goog.style.getClientPositionForElement_(goog.asserts.assert(e));
		c.x += f.x;
		c.y += f.y
	} while (d && d != b && d != d.parent && (e = d.frameElement) && (d = d.parent));
	return c
};
goog.style.translateRectForAnotherFrame = function (a, b, c) {
	if (b.getDocument() != c.getDocument()) {
		var d = b.getDocument().body;
		c = goog.style.getFramedPageOffset(d, c.getWindow());
		c = goog.math.Coordinate.difference(c, goog.style.getPageOffset(d));
		!goog.userAgent.IE || goog.userAgent.isDocumentModeOrHigher(9) || b.isCss1CompatMode() || (c = goog.math.Coordinate.difference(c, b.getDocumentScroll()));
		a.left += c.x;
		a.top += c.y
	}
};
goog.style.getRelativePosition = function (a, b) {
	var c = goog.style.getClientPosition(a),
		d = goog.style.getClientPosition(b);
	return new goog.math.Coordinate(c.x - d.x, c.y - d.y)
};
goog.style.getClientPositionForElement_ = function (a) {
	a = goog.style.getBoundingClientRect_(a);
	return new goog.math.Coordinate(a.left, a.top)
};
goog.style.getClientPosition = function (a) {
	goog.asserts.assert(a);
	if (a.nodeType == goog.dom.NodeType.ELEMENT) return goog.style.getClientPositionForElement_(a);
	a = a.changedTouches ? a.changedTouches[0] : a;
	return new goog.math.Coordinate(a.clientX, a.clientY)
};
goog.style.setPageOffset = function (a, b, c) {
	var d = goog.style.getPageOffset(a);
	b instanceof goog.math.Coordinate && (c = b.y, b = b.x);
	b = goog.asserts.assertNumber(b) - d.x;
	goog.style.setPosition(a, a.offsetLeft + b, a.offsetTop + (Number(c) - d.y))
};
goog.style.setSize = function (a, b, c) {
	if (b instanceof goog.math.Size) c = b.height, b = b.width;
	else if (void 0 == c) throw Error("missing height argument");
	goog.style.setWidth(a, b);
	goog.style.setHeight(a, c)
};
goog.style.getPixelStyleValue_ = function (a, b) {
	"number" == typeof a && (a = (b ? Math.round(a) : a) + "px");
	return a
};
goog.style.setHeight = function (a, b) {
	a.style.height = goog.style.getPixelStyleValue_(b, !0)
};
goog.style.setWidth = function (a, b) {
	a.style.width = goog.style.getPixelStyleValue_(b, !0)
};
goog.style.getSize = function (a) {
	return goog.style.evaluateWithTemporaryDisplay_(goog.style.getSizeWithDisplay_, a)
};
goog.style.evaluateWithTemporaryDisplay_ = function (a, b) {
	if ("none" != goog.style.getStyle_(b, "display")) return a(b);
	var c = b.style,
		d = c.display,
		e = c.visibility,
		f = c.position;
	c.visibility = "hidden";
	c.position = "absolute";
	c.display = "inline";
	var g = a(b);
	c.display = d;
	c.position = f;
	c.visibility = e;
	return g
};
goog.style.getSizeWithDisplay_ = function (a) {
	var b = a.offsetWidth,
		c = a.offsetHeight,
		d = goog.userAgent.WEBKIT && !b && !c;
	return goog.isDef(b) && !d || !a.getBoundingClientRect ? new goog.math.Size(b, c) : (a = goog.style.getBoundingClientRect_(a), new goog.math.Size(a.right - a.left, a.bottom - a.top))
};
goog.style.getTransformedSize = function (a) {
	if (!a.getBoundingClientRect) return null;
	a = goog.style.evaluateWithTemporaryDisplay_(goog.style.getBoundingClientRect_, a);
	return new goog.math.Size(a.right - a.left, a.bottom - a.top)
};
goog.style.getBounds = function (a) {
	var b = goog.style.getPageOffset(a);
	a = goog.style.getSize(a);
	return new goog.math.Rect(b.x, b.y, a.width, a.height)
};
goog.style.toCamelCase = function (a) {
	return goog.string.toCamelCase(String(a))
};
goog.style.toSelectorCase = function (a) {
	return goog.string.toSelectorCase(a)
};
goog.style.getOpacity = function (a) {
	goog.asserts.assert(a);
	var b = a.style;
	a = "";
	"opacity" in b ? a = b.opacity : "MozOpacity" in b ? a = b.MozOpacity : "filter" in b && (b = b.filter.match(/alpha\(opacity=([\d.]+)\)/)) && (a = String(b[1] / 100));
	return "" == a ? a : Number(a)
};
goog.style.setOpacity = function (a, b) {
	goog.asserts.assert(a);
	var c = a.style;
	"opacity" in c ? c.opacity = b : "MozOpacity" in c ? c.MozOpacity = b : "filter" in c && (c.filter = "" === b ? "" : "alpha(opacity=" + 100 * Number(b) + ")")
};
goog.style.setTransparentBackgroundImage = function (a, b) {
	var c = a.style;
	goog.userAgent.IE && !goog.userAgent.isVersionOrHigher("8") ? c.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src="' + b + '", sizingMethod="crop")' : (c.backgroundImage = "url(" + b + ")", c.backgroundPosition = "top left", c.backgroundRepeat = "no-repeat")
};
goog.style.clearTransparentBackgroundImage = function (a) {
	a = a.style;
	"filter" in a ? a.filter = "" : a.backgroundImage = "none"
};
goog.style.showElement = function (a, b) {
	goog.style.setElementShown(a, b)
};
goog.style.setElementShown = function (a, b) {
	a.style.display = b ? "" : "none"
};
goog.style.isElementShown = function (a) {
	return "none" != a.style.display
};
goog.style.installStyles = function (a, b) {
	return goog.style.installSafeStyleSheet(goog.html.legacyconversions.safeStyleSheetFromString(a), b)
};
goog.style.installSafeStyleSheet = function (a, b) {
	var c = goog.dom.getDomHelper(b),
		d, e = c.getDocument();
	goog.userAgent.IE && e.createStyleSheet ? (d = e.createStyleSheet(), goog.style.setSafeStyleSheet(d, a)) : (e = c.getElementsByTagNameAndClass("HEAD")[0], e || (d = c.getElementsByTagNameAndClass("BODY")[0], e = c.createDom("HEAD"), d.parentNode.insertBefore(e, d)), d = c.createDom("STYLE"), goog.style.setSafeStyleSheet(d, a), c.appendChild(e, d));
	return d
};
goog.style.uninstallStyles = function (a) {
	goog.dom.removeNode(a.ownerNode || a.owningElement || a)
};
goog.style.setStyles = function (a, b) {
	goog.style.setSafeStyleSheet(a, goog.html.legacyconversions.safeStyleSheetFromString(b))
};
goog.style.setSafeStyleSheet = function (a, b) {
	var c = goog.html.SafeStyleSheet.unwrap(b);
	goog.userAgent.IE && goog.isDef(a.cssText) ? a.cssText = c : a.innerHTML = c
};
goog.style.setPreWrap = function (a) {
	a = a.style;
	goog.userAgent.IE && !goog.userAgent.isVersionOrHigher("8") ? (a.whiteSpace = "pre", a.wordWrap = "break-word") : a.whiteSpace = goog.userAgent.GECKO ? "-moz-pre-wrap" : "pre-wrap"
};
goog.style.setInlineBlock = function (a) {
	a = a.style;
	a.position = "relative";
	goog.userAgent.IE && !goog.userAgent.isVersionOrHigher("8") ? (a.zoom = "1", a.display = "inline") : a.display = "inline-block"
};
goog.style.isRightToLeft = function (a) {
	return "rtl" == goog.style.getStyle_(a, "direction")
};
goog.style.unselectableStyle_ = goog.userAgent.GECKO ? "MozUserSelect" : goog.userAgent.WEBKIT || goog.userAgent.EDGE ? "WebkitUserSelect" : null;
goog.style.isUnselectable = function (a) {
	return goog.style.unselectableStyle_ ? "none" == a.style[goog.style.unselectableStyle_].toLowerCase() : goog.userAgent.IE || goog.userAgent.OPERA ? "on" == a.getAttribute("unselectable") : !1
};
goog.style.setUnselectable = function (a, b, c) {
	c = c ? null : a.getElementsByTagName("*");
	var d = goog.style.unselectableStyle_;
	if (d) {
		if (b = b ? "none" : "", a.style && (a.style[d] = b), c) {
			a = 0;
			for (var e; e = c[a]; a++) e.style && (e.style[d] = b)
		}
	} else if (goog.userAgent.IE || goog.userAgent.OPERA)
		if (b = b ? "on" : "", a.setAttribute("unselectable", b), c)
			for (a = 0; e = c[a]; a++) e.setAttribute("unselectable", b)
};
goog.style.getBorderBoxSize = function (a) {
	return new goog.math.Size(a.offsetWidth, a.offsetHeight)
};
goog.style.setBorderBoxSize = function (a, b) {
	var c = goog.dom.getOwnerDocument(a),
		d = goog.dom.getDomHelper(c).isCss1CompatMode();
	if (!goog.userAgent.IE || goog.userAgent.isVersionOrHigher("10") || d && goog.userAgent.isVersionOrHigher("8")) goog.style.setBoxSizingSize_(a, b, "border-box");
	else if (c = a.style, d) {
		var d = goog.style.getPaddingBox(a),
			e = goog.style.getBorderBox(a);
		c.pixelWidth = b.width - e.left - d.left - d.right - e.right;
		c.pixelHeight = b.height - e.top - d.top - d.bottom - e.bottom
	} else c.pixelWidth = b.width, c.pixelHeight =
		b.height
};
goog.style.getContentBoxSize = function (a) {
	var b = goog.dom.getOwnerDocument(a),
		c = goog.userAgent.IE && a.currentStyle;
	if (c && goog.dom.getDomHelper(b).isCss1CompatMode() && "auto" != c.width && "auto" != c.height && !c.boxSizing) return b = goog.style.getIePixelValue_(a, c.width, "width", "pixelWidth"), a = goog.style.getIePixelValue_(a, c.height, "height", "pixelHeight"), new goog.math.Size(b, a);
	c = goog.style.getBorderBoxSize(a);
	b = goog.style.getPaddingBox(a);
	a = goog.style.getBorderBox(a);
	return new goog.math.Size(c.width - a.left -
		b.left - b.right - a.right, c.height - a.top - b.top - b.bottom - a.bottom)
};
goog.style.setContentBoxSize = function (a, b) {
	var c = goog.dom.getOwnerDocument(a),
		d = goog.dom.getDomHelper(c).isCss1CompatMode();
	if (!goog.userAgent.IE || goog.userAgent.isVersionOrHigher("10") || d && goog.userAgent.isVersionOrHigher("8")) goog.style.setBoxSizingSize_(a, b, "content-box");
	else if (c = a.style, d) c.pixelWidth = b.width, c.pixelHeight = b.height;
	else {
		var d = goog.style.getPaddingBox(a),
			e = goog.style.getBorderBox(a);
		c.pixelWidth = b.width + e.left + d.left + d.right + e.right;
		c.pixelHeight = b.height + e.top + d.top + d.bottom +
			e.bottom
	}
};
goog.style.setBoxSizingSize_ = function (a, b, c) {
	a = a.style;
	goog.userAgent.GECKO ? a.MozBoxSizing = c : goog.userAgent.WEBKIT ? a.WebkitBoxSizing = c : a.boxSizing = c;
	a.width = Math.max(b.width, 0) + "px";
	a.height = Math.max(b.height, 0) + "px"
};
goog.style.getIePixelValue_ = function (a, b, c, d) {
	if (/^\d+px?$/.test(b)) return parseInt(b, 10);
	var e = a.style[c],
		f = a.runtimeStyle[c];
	a.runtimeStyle[c] = a.currentStyle[c];
	a.style[c] = b;
	b = a.style[d];
	a.style[c] = e;
	a.runtimeStyle[c] = f;
	return b
};
goog.style.getIePixelDistance_ = function (a, b) {
	var c = goog.style.getCascadedStyle(a, b);
	return c ? goog.style.getIePixelValue_(a, c, "left", "pixelLeft") : 0
};
goog.style.getBox_ = function (a, b) {
	if (goog.userAgent.IE) {
		var c = goog.style.getIePixelDistance_(a, b + "Left"),
			d = goog.style.getIePixelDistance_(a, b + "Right"),
			e = goog.style.getIePixelDistance_(a, b + "Top"),
			f = goog.style.getIePixelDistance_(a, b + "Bottom");
		return new goog.math.Box(e, d, f, c)
	}
	c = goog.style.getComputedStyle(a, b + "Left");
	d = goog.style.getComputedStyle(a, b + "Right");
	e = goog.style.getComputedStyle(a, b + "Top");
	f = goog.style.getComputedStyle(a, b + "Bottom");
	return new goog.math.Box(parseFloat(e), parseFloat(d), parseFloat(f),
		parseFloat(c))
};
goog.style.getPaddingBox = function (a) {
	return goog.style.getBox_(a, "padding")
};
goog.style.getMarginBox = function (a) {
	return goog.style.getBox_(a, "margin")
};
goog.style.ieBorderWidthKeywords_ = {
	thin: 2,
	medium: 4,
	thick: 6
};
goog.style.getIePixelBorder_ = function (a, b) {
	if ("none" == goog.style.getCascadedStyle(a, b + "Style")) return 0;
	var c = goog.style.getCascadedStyle(a, b + "Width");
	return c in goog.style.ieBorderWidthKeywords_ ? goog.style.ieBorderWidthKeywords_[c] : goog.style.getIePixelValue_(a, c, "left", "pixelLeft")
};
goog.style.getBorderBox = function (a) {
	if (goog.userAgent.IE && !goog.userAgent.isDocumentModeOrHigher(9)) {
		var b = goog.style.getIePixelBorder_(a, "borderLeft"),
			c = goog.style.getIePixelBorder_(a, "borderRight"),
			d = goog.style.getIePixelBorder_(a, "borderTop");
		a = goog.style.getIePixelBorder_(a, "borderBottom");
		return new goog.math.Box(d, c, a, b)
	}
	b = goog.style.getComputedStyle(a, "borderLeftWidth");
	c = goog.style.getComputedStyle(a, "borderRightWidth");
	d = goog.style.getComputedStyle(a, "borderTopWidth");
	a = goog.style.getComputedStyle(a,
		"borderBottomWidth");
	return new goog.math.Box(parseFloat(d), parseFloat(c), parseFloat(a), parseFloat(b))
};
goog.style.getFontFamily = function (a) {
	var b = goog.dom.getOwnerDocument(a),
		c = "";
	if (b.body.createTextRange && goog.dom.contains(b, a)) {
		b = b.body.createTextRange();
		b.moveToElementText(a);
		try {
			c = b.queryCommandValue("FontName")
		} catch (d) {
			c = ""
		}
	}
	c || (c = goog.style.getStyle_(a, "fontFamily"));
	a = c.split(",");
	1 < a.length && (c = a[0]);
	return goog.string.stripQuotes(c, "\"'")
};
goog.style.lengthUnitRegex_ = /[^\d]+$/;
goog.style.getLengthUnits = function (a) {
	return (a = a.match(goog.style.lengthUnitRegex_)) && a[0] || null
};
goog.style.ABSOLUTE_CSS_LENGTH_UNITS_ = {
	cm: 1,
	"in": 1,
	mm: 1,
	pc: 1,
	pt: 1
};
goog.style.CONVERTIBLE_RELATIVE_CSS_UNITS_ = {
	em: 1,
	ex: 1
};
goog.style.getFontSize = function (a) {
	var b = goog.style.getStyle_(a, "fontSize"),
		c = goog.style.getLengthUnits(b);
	if (b && "px" == c) return parseInt(b, 10);
	if (goog.userAgent.IE) {
		if (String(c) in goog.style.ABSOLUTE_CSS_LENGTH_UNITS_) return goog.style.getIePixelValue_(a, b, "left", "pixelLeft");
		if (a.parentNode && a.parentNode.nodeType == goog.dom.NodeType.ELEMENT && String(c) in goog.style.CONVERTIBLE_RELATIVE_CSS_UNITS_) return a = a.parentNode, c = goog.style.getStyle_(a, "fontSize"), goog.style.getIePixelValue_(a, b == c ? "1em" : b,
			"left", "pixelLeft")
	}
	c = goog.dom.createDom("SPAN", {
		style: "visibility:hidden;position:absolute;line-height:0;padding:0;margin:0;border:0;height:1em;"
	});
	goog.dom.appendChild(a, c);
	b = c.offsetHeight;
	goog.dom.removeNode(c);
	return b
};
goog.style.parseStyleAttribute = function (a) {
	var b = {};
	goog.array.forEach(a.split(/\s*;\s*/), function (a) {
		var c = a.match(/\s*([\w-]+)\s*\:(.+)/);
		c && (a = c[1], c = goog.string.trim(c[2]), b[goog.string.toCamelCase(a.toLowerCase())] = c)
	});
	return b
};
goog.style.toStyleAttribute = function (a) {
	var b = [];
	goog.object.forEach(a, function (a, d) {
		b.push(goog.string.toSelectorCase(d), ":", a, ";")
	});
	return b.join("")
};
goog.style.setFloat = function (a, b) {
	a.style[goog.userAgent.IE ? "styleFloat" : "cssFloat"] = b
};
goog.style.getFloat = function (a) {
	return a.style[goog.userAgent.IE ? "styleFloat" : "cssFloat"] || ""
};
goog.style.getScrollbarWidth = function (a) {
	var b = goog.dom.createElement("DIV");
	a && (b.className = a);
	b.style.cssText = "overflow:auto;position:absolute;top:0;width:100px;height:100px";
	a = goog.dom.createElement("DIV");
	goog.style.setSize(a, "200px", "200px");
	b.appendChild(a);
	goog.dom.appendChild(goog.dom.getDocument().body, b);
	a = b.offsetWidth - b.clientWidth;
	goog.dom.removeNode(b);
	return a
};
goog.style.MATRIX_TRANSLATION_REGEX_ = /matrix\([0-9\.\-]+, [0-9\.\-]+, [0-9\.\-]+, [0-9\.\-]+, ([0-9\.\-]+)p?x?, ([0-9\.\-]+)p?x?\)/;
goog.style.getCssTranslation = function (a) {
	a = goog.style.getComputedTransform(a);
	return a ? (a = a.match(goog.style.MATRIX_TRANSLATION_REGEX_)) ? new goog.math.Coordinate(parseFloat(a[1]), parseFloat(a[2])) : new goog.math.Coordinate(0, 0) : new goog.math.Coordinate(0, 0)
};
goog.Thenable = function () { };
goog.Thenable.prototype.then = function (a, b, c) { };
goog.Thenable.IMPLEMENTED_BY_PROP = "$goog_Thenable";
goog.Thenable.addImplementation = function (a) {
	a.prototype.then = a.prototype.then;
	COMPILED ? a.prototype[goog.Thenable.IMPLEMENTED_BY_PROP] = !0 : a.prototype.$goog_Thenable = !0
};
goog.Thenable.isImplementedBy = function (a) {
	if (!a) return !1;
	try {
		return COMPILED ? !!a[goog.Thenable.IMPLEMENTED_BY_PROP] : !!a.$goog_Thenable
	} catch (b) {
		return !1
	}
};
goog.async = {};
goog.async.FreeList = function (a, b, c) {
	this.limit_ = c;
	this.create_ = a;
	this.reset_ = b;
	this.occupants_ = 0;
	this.head_ = null
};
goog.async.FreeList.prototype.get = function () {
	var a;
	0 < this.occupants_ ? (this.occupants_--, a = this.head_, this.head_ = a.next, a.next = null) : a = this.create_();
	return a
};
goog.async.FreeList.prototype.put = function (a) {
	this.reset_(a);
	this.occupants_ < this.limit_ && (this.occupants_++, a.next = this.head_, this.head_ = a)
};
goog.async.FreeList.prototype.occupants = function () {
	return this.occupants_
};
goog.async.WorkQueue = function () {
	this.workTail_ = this.workHead_ = null
};
goog.async.WorkQueue.DEFAULT_MAX_UNUSED = 100;
goog.async.WorkQueue.freelist_ = new goog.async.FreeList(function () {
	return new goog.async.WorkItem
}, function (a) {
	a.reset()
}, goog.async.WorkQueue.DEFAULT_MAX_UNUSED);
goog.async.WorkQueue.prototype.add = function (a, b) {
	var c = this.getUnusedItem_();
	c.set(a, b);
	this.workTail_ ? this.workTail_.next = c : (goog.asserts.assert(!this.workHead_), this.workHead_ = c);
	this.workTail_ = c
};
goog.async.WorkQueue.prototype.remove = function () {
	var a = null;
	this.workHead_ && (a = this.workHead_, this.workHead_ = this.workHead_.next, this.workHead_ || (this.workTail_ = null), a.next = null);
	return a
};
goog.async.WorkQueue.prototype.returnUnused = function (a) {
	goog.async.WorkQueue.freelist_.put(a)
};
goog.async.WorkQueue.prototype.getUnusedItem_ = function () {
	return goog.async.WorkQueue.freelist_.get()
};
goog.async.WorkItem = function () {
	this.next = this.scope = this.fn = null
};
goog.async.WorkItem.prototype.set = function (a, b) {
	this.fn = a;
	this.scope = b;
	this.next = null
};
goog.async.WorkItem.prototype.reset = function () {
	this.next = this.scope = this.fn = null
};
goog.functions = {};
goog.functions.constant = function (a) {
	return function () {
		return a
	}
};
goog.functions.FALSE = goog.functions.constant(!1);
goog.functions.TRUE = goog.functions.constant(!0);
goog.functions.NULL = goog.functions.constant(null);
goog.functions.identity = function (a, b) {
	return a
};
goog.functions.error = function (a) {
	return function () {
		throw Error(a);
	}
};
goog.functions.fail = function (a) {
	return function () {
		throw a;
	}
};
goog.functions.lock = function (a, b) {
	b = b || 0;
	return function () {
		return a.apply(this, Array.prototype.slice.call(arguments, 0, b))
	}
};
goog.functions.nth = function (a) {
	return function () {
		return arguments[a]
	}
};
goog.functions.partialRight = function (a, b) {
	var c = Array.prototype.slice.call(arguments, 1);
	return function () {
		var b = Array.prototype.slice.call(arguments);
		b.push.apply(b, c);
		return a.apply(this, b)
	}
};
goog.functions.withReturnValue = function (a, b) {
	return goog.functions.sequence(a, goog.functions.constant(b))
};
goog.functions.equalTo = function (a, b) {
	return function (c) {
		return b ? a == c : a === c
	}
};
goog.functions.compose = function (a, b) {
	var c = arguments,
		d = c.length;
	return function () {
		var a;
		d && (a = c[d - 1].apply(this, arguments));
		for (var b = d - 2; 0 <= b; b--) a = c[b].call(this, a);
		return a
	}
};
goog.functions.sequence = function (a) {
	var b = arguments,
		c = b.length;
	return function () {
		for (var a, e = 0; e < c; e++) a = b[e].apply(this, arguments);
		return a
	}
};
goog.functions.and = function (a) {
	var b = arguments,
		c = b.length;
	return function () {
		for (var a = 0; a < c; a++)
			if (!b[a].apply(this, arguments)) return !1;
		return !0
	}
};
goog.functions.or = function (a) {
	var b = arguments,
		c = b.length;
	return function () {
		for (var a = 0; a < c; a++)
			if (b[a].apply(this, arguments)) return !0;
		return !1
	}
};
goog.functions.not = function (a) {
	return function () {
		return !a.apply(this, arguments)
	}
};
goog.functions.create = function (a, b) {
	var c = function () { };
	c.prototype = a.prototype;
	c = new c;
	a.apply(c, Array.prototype.slice.call(arguments, 1));
	return c
};
goog.functions.CACHE_RETURN_VALUE = !0;
goog.functions.cacheReturnValue = function (a) {
	var b = !1,
		c;
	return function () {
		if (!goog.functions.CACHE_RETURN_VALUE) return a();
		b || (c = a(), b = !0);
		return c
	}
};
goog.functions.once = function (a) {
	var b = a;
	return function () {
		if (b) {
			var a = b;
			b = null;
			a()
		}
	}
};
goog.functions.debounce = function (a, b, c) {
	c && (a = goog.bind(a, c));
	var d = null;
	return function (c) {
		goog.global.clearTimeout(d);
		var e = arguments;
		d = goog.global.setTimeout(function () {
			a.apply(null, e)
		}, b)
	}
};
goog.functions.throttle = function (a, b, c) {
	c && (a = goog.bind(a, c));
	var d = null,
		e = !1,
		f = [],
		g = function () {
        	d = null;
        	e && (e = !1, h())
		},
		h = function () {
        	d = goog.global.setTimeout(g, b);
        	a.apply(null, f)
		};
	return function (a) {
		f = arguments;
		d ? e = !0 : h()
	}
};
goog.async.throwException = function (a) {
	goog.global.setTimeout(function () {
		throw a;
	}, 0)
};
goog.async.nextTick = function (a, b, c) {
	var d = a;
	b && (d = goog.bind(a, b));
	d = goog.async.nextTick.wrapCallback_(d);
	goog.isFunction(goog.global.setImmediate) && (c || goog.async.nextTick.useSetImmediate_()) ? goog.global.setImmediate(d) : (goog.async.nextTick.setImmediate_ || (goog.async.nextTick.setImmediate_ = goog.async.nextTick.getSetImmediateEmulator_()), goog.async.nextTick.setImmediate_(d))
};
goog.async.nextTick.useSetImmediate_ = function () {
	return goog.global.Window && goog.global.Window.prototype && !goog.labs.userAgent.browser.isEdge() && goog.global.Window.prototype.setImmediate == goog.global.setImmediate ? !1 : !0
};
goog.async.nextTick.getSetImmediateEmulator_ = function () {
	var a = goog.global.MessageChannel;
	"undefined" === typeof a && "undefined" !== typeof window && window.postMessage && window.addEventListener && !goog.labs.userAgent.engine.isPresto() && (a = function () {
		var a = document.createElement("IFRAME");
		a.style.display = "none";
		a.src = "";
		document.documentElement.appendChild(a);
		var b = a.contentWindow,
			a = b.document;
		a.open();
		a.write("");
		a.close();
		var c = "callImmediate" + Math.random(),
			d = "file:" == b.location.protocol ? "*" : b.location.protocol +
			"//" + b.location.host,
			a = goog.bind(function (a) {
            	if (("*" == d || a.origin == d) && a.data == c) this.port1.onmessage()
			}, this);
		b.addEventListener("message", a, !1);
		this.port1 = {};
		this.port2 = {
			postMessage: function () {
				b.postMessage(c, d)
			}
		}
	});
	if ("undefined" !== typeof a && !goog.labs.userAgent.browser.isIE()) {
		var b = new a,
			c = {},
			d = c;
		b.port1.onmessage = function () {
			if (goog.isDef(c.next)) {
				c = c.next;
				var a = c.cb;
				c.cb = null;
				a()
			}
		};
		return function (a) {
			d.next = {
				cb: a
			};
			d = d.next;
			b.port2.postMessage(0)
		}
	}
	return "undefined" !== typeof document && "onreadystatechange" in
		document.createElement("SCRIPT") ? function (a) {
        	var b = document.createElement("SCRIPT");
        	b.onreadystatechange = function () {
        		b.onreadystatechange = null;
        		b.parentNode.removeChild(b);
        		b = null;
        		a();
        		a = null
        	};
        	document.documentElement.appendChild(b)
		} : function (a) {
        	goog.global.setTimeout(a, 0)
		}
};
goog.async.nextTick.wrapCallback_ = goog.functions.identity;
goog.debug.entryPointRegistry.register(function (a) {
	goog.async.nextTick.wrapCallback_ = a
});
goog.async.run = function (a, b) {
	goog.async.run.schedule_ || goog.async.run.initializeRunner_();
	goog.async.run.workQueueScheduled_ || (goog.async.run.schedule_(), goog.async.run.workQueueScheduled_ = !0);
	goog.async.run.workQueue_.add(a, b)
};
goog.async.run.initializeRunner_ = function () {
	var a = goog.global.Promise;
	if (-1 != String(a).indexOf("[native code]")) {
		var b = a.resolve(void 0);
		goog.async.run.schedule_ = function () {
			b.then(goog.async.run.processWorkQueue)
		}
	} else goog.async.run.schedule_ = function () {
		goog.async.nextTick(goog.async.run.processWorkQueue)
	}
};
goog.async.run.forceNextTick = function (a) {
	goog.async.run.schedule_ = function () {
		goog.async.nextTick(goog.async.run.processWorkQueue);
		a && a(goog.async.run.processWorkQueue)
	}
};
goog.async.run.workQueueScheduled_ = !1;
goog.async.run.workQueue_ = new goog.async.WorkQueue;
goog.DEBUG && (goog.async.run.resetQueue = function () {
	goog.async.run.workQueueScheduled_ = !1;
	goog.async.run.workQueue_ = new goog.async.WorkQueue
});
goog.async.run.processWorkQueue = function () {
	for (var a; a = goog.async.run.workQueue_.remove() ;) {
		try {
			a.fn.call(a.scope)
		} catch (b) {
			goog.async.throwException(b)
		}
		goog.async.run.workQueue_.returnUnused(a)
	}
	goog.async.run.workQueueScheduled_ = !1
};
goog.promise = {};
goog.promise.Resolver = function () { };
goog.Promise = function (a, b) {
	this.state_ = goog.Promise.State_.PENDING;
	this.result_ = void 0;
	this.callbackEntriesTail_ = this.callbackEntries_ = this.parent_ = null;
	this.executing_ = !1;
	0 < goog.Promise.UNHANDLED_REJECTION_DELAY ? this.unhandledRejectionId_ = 0 : 0 == goog.Promise.UNHANDLED_REJECTION_DELAY && (this.hadUnhandledRejection_ = !1);
	goog.Promise.LONG_STACK_TRACES && (this.stack_ = [], this.addStackTrace_(Error("created")), this.currentStep_ = 0);
	if (a != goog.nullFunction) try {
		var c = this;
		a.call(b, function (a) {
			c.resolve_(goog.Promise.State_.FULFILLED,
				a)
		}, function (a) {
			if (goog.DEBUG && !(a instanceof goog.Promise.CancellationError)) try {
				if (a instanceof Error) throw a;
				throw Error("Promise rejected.");
			} catch (e) { }
			c.resolve_(goog.Promise.State_.REJECTED, a)
		})
	} catch (d) {
		this.resolve_(goog.Promise.State_.REJECTED, d)
	}
};
goog.Promise.LONG_STACK_TRACES = !1;
goog.Promise.UNHANDLED_REJECTION_DELAY = 0;
goog.Promise.State_ = {
	PENDING: 0,
	BLOCKED: 1,
	FULFILLED: 2,
	REJECTED: 3
};
goog.Promise.CallbackEntry_ = function () {
	this.next = this.context = this.onRejected = this.onFulfilled = this.child = null;
	this.always = !1
};
goog.Promise.CallbackEntry_.prototype.reset = function () {
	this.context = this.onRejected = this.onFulfilled = this.child = null;
	this.always = !1
};
goog.Promise.DEFAULT_MAX_UNUSED = 100;
goog.Promise.freelist_ = new goog.async.FreeList(function () {
	return new goog.Promise.CallbackEntry_
}, function (a) {
	a.reset()
}, goog.Promise.DEFAULT_MAX_UNUSED);
goog.Promise.getCallbackEntry_ = function (a, b, c) {
	var d = goog.Promise.freelist_.get();
	d.onFulfilled = a;
	d.onRejected = b;
	d.context = c;
	return d
};
goog.Promise.returnEntry_ = function (a) {
	goog.Promise.freelist_.put(a)
};
goog.Promise.resolve = function (a) {
	if (a instanceof goog.Promise) return a;
	var b = new goog.Promise(goog.nullFunction);
	b.resolve_(goog.Promise.State_.FULFILLED, a);
	return b
};
goog.Promise.reject = function (a) {
	return new goog.Promise(function (b, c) {
		c(a)
	})
};
goog.Promise.resolveThen_ = function (a, b, c) {
	goog.Promise.maybeThen_(a, b, c, null) || goog.async.run(goog.partial(b, a))
};
goog.Promise.race = function (a) {
	return new goog.Promise(function (b, c) {
		a.length || b(void 0);
		for (var d = 0, e; d < a.length; d++) e = a[d], goog.Promise.resolveThen_(e, b, c)
	})
};
goog.Promise.all = function (a) {
	return new goog.Promise(function (b, c) {
		var d = a.length,
			e = [];
		if (d)
			for (var f = function (a, c) {
					d--;
					e[a] = c;
					0 == d && b(e)
			}, g = function (a) {
					c(a)
			}, h = 0, k; h < a.length; h++) k = a[h], goog.Promise.resolveThen_(k, goog.partial(f, h), g);
		else b(e)
	})
};
goog.Promise.allSettled = function (a) {
	return new goog.Promise(function (b, c) {
		var d = a.length,
			e = [];
		if (d)
			for (var f = function (a, c, f) {
					d--;
					e[a] = c ? {
				fulfilled: !0,
				value: f
			} : {
				fulfilled: !1,
				reason: f
			};
					0 == d && b(e)
			}, g = 0, h; g < a.length; g++) h = a[g], goog.Promise.resolveThen_(h, goog.partial(f, g, !0), goog.partial(f, g, !1));
		else b(e)
	})
};
goog.Promise.firstFulfilled = function (a) {
	return new goog.Promise(function (b, c) {
		var d = a.length,
			e = [];
		if (d)
			for (var f = function (a) {
					b(a)
			}, g = function (a, b) {
					d--;
					e[a] = b;
					0 == d && c(e)
			}, h = 0, k; h < a.length; h++) k = a[h], goog.Promise.resolveThen_(k, f, goog.partial(g, h));
		else b(void 0)
	})
};
goog.Promise.withResolver = function () {
	var a, b, c = new goog.Promise(function (c, e) {
		a = c;
		b = e
	});
	return new goog.Promise.Resolver_(c, a, b)
};
goog.Promise.prototype.then = function (a, b, c) {
	null != a && goog.asserts.assertFunction(a, "opt_onFulfilled should be a function.");
	null != b && goog.asserts.assertFunction(b, "opt_onRejected should be a function. Did you pass opt_context as the second argument instead of the third?");
	goog.Promise.LONG_STACK_TRACES && this.addStackTrace_(Error("then"));
	return this.addChildPromise_(goog.isFunction(a) ? a : null, goog.isFunction(b) ? b : null, c)
};
goog.Thenable.addImplementation(goog.Promise);
goog.Promise.prototype.thenVoid = function (a, b, c) {
	null != a && goog.asserts.assertFunction(a, "opt_onFulfilled should be a function.");
	null != b && goog.asserts.assertFunction(b, "opt_onRejected should be a function. Did you pass opt_context as the second argument instead of the third?");
	goog.Promise.LONG_STACK_TRACES && this.addStackTrace_(Error("then"));
	this.addCallbackEntry_(goog.Promise.getCallbackEntry_(a || goog.nullFunction, b || null, c))
};
goog.Promise.prototype.thenAlways = function (a, b) {
	goog.Promise.LONG_STACK_TRACES && this.addStackTrace_(Error("thenAlways"));
	var c = goog.Promise.getCallbackEntry_(a, a, b);
	c.always = !0;
	this.addCallbackEntry_(c);
	return this
};
goog.Promise.prototype.thenCatch = function (a, b) {
	goog.Promise.LONG_STACK_TRACES && this.addStackTrace_(Error("thenCatch"));
	return this.addChildPromise_(null, a, b)
};
goog.Promise.prototype.cancel = function (a) {
	this.state_ == goog.Promise.State_.PENDING && goog.async.run(function () {
		var b = new goog.Promise.CancellationError(a);
		this.cancelInternal_(b)
	}, this)
};
goog.Promise.prototype.cancelInternal_ = function (a) {
	this.state_ == goog.Promise.State_.PENDING && (this.parent_ ? (this.parent_.cancelChild_(this, a), this.parent_ = null) : this.resolve_(goog.Promise.State_.REJECTED, a))
};
goog.Promise.prototype.cancelChild_ = function (a, b) {
	if (this.callbackEntries_) {
		for (var c = 0, d = null, e = null, f = this.callbackEntries_; f && (f.always || (c++, f.child == a && (d = f), !(d && 1 < c))) ; f = f.next) d || (e = f);
		d && (this.state_ == goog.Promise.State_.PENDING && 1 == c ? this.cancelInternal_(b) : (e ? this.removeEntryAfter_(e) : this.popEntry_(), this.executeCallback_(d, goog.Promise.State_.REJECTED, b)))
	}
};
goog.Promise.prototype.addCallbackEntry_ = function (a) {
	this.hasEntry_() || this.state_ != goog.Promise.State_.FULFILLED && this.state_ != goog.Promise.State_.REJECTED || this.scheduleCallbacks_();
	this.queueEntry_(a)
};
goog.Promise.prototype.addChildPromise_ = function (a, b, c) {
	var d = goog.Promise.getCallbackEntry_(null, null, null);
	d.child = new goog.Promise(function (e, f) {
		d.onFulfilled = a ? function (b) {
			try {
				var d = a.call(c, b);
				e(d)
			} catch (k) {
				f(k)
			}
		} : e;
		d.onRejected = b ? function (a) {
			try {
				var d = b.call(c, a);
				!goog.isDef(d) && a instanceof goog.Promise.CancellationError ? f(a) : e(d)
			} catch (k) {
				f(k)
			}
		} : f
	});
	d.child.parent_ = this;
	this.addCallbackEntry_(d);
	return d.child
};
goog.Promise.prototype.unblockAndFulfill_ = function (a) {
	goog.asserts.assert(this.state_ == goog.Promise.State_.BLOCKED);
	this.state_ = goog.Promise.State_.PENDING;
	this.resolve_(goog.Promise.State_.FULFILLED, a)
};
goog.Promise.prototype.unblockAndReject_ = function (a) {
	goog.asserts.assert(this.state_ == goog.Promise.State_.BLOCKED);
	this.state_ = goog.Promise.State_.PENDING;
	this.resolve_(goog.Promise.State_.REJECTED, a)
};
goog.Promise.prototype.resolve_ = function (a, b) {
	this.state_ == goog.Promise.State_.PENDING && (this === b && (a = goog.Promise.State_.REJECTED, b = new TypeError("Promise cannot resolve to itself")), this.state_ = goog.Promise.State_.BLOCKED, goog.Promise.maybeThen_(b, this.unblockAndFulfill_, this.unblockAndReject_, this) || (this.result_ = b, this.state_ = a, this.parent_ = null, this.scheduleCallbacks_(), a != goog.Promise.State_.REJECTED || b instanceof goog.Promise.CancellationError || goog.Promise.addUnhandledRejection_(this, b)))
};
goog.Promise.maybeThen_ = function (a, b, c, d) {
	if (a instanceof goog.Promise) return a.thenVoid(b, c, d), !0;
	if (goog.Thenable.isImplementedBy(a)) return a.then(b, c, d), !0;
	if (goog.isObject(a)) try {
		var e = a.then;
		if (goog.isFunction(e)) return goog.Promise.tryThen_(a, e, b, c, d), !0
	} catch (f) {
		return c.call(d, f), !0
	}
	return !1
};
goog.Promise.tryThen_ = function (a, b, c, d, e) {
	var f = !1,
		g = function (a) {
        	f || (f = !0, c.call(e, a))
		},
		h = function (a) {
        	f || (f = !0, d.call(e, a))
		};
	try {
		b.call(a, g, h)
	} catch (k) {
		h(k)
	}
};
goog.Promise.prototype.scheduleCallbacks_ = function () {
	this.executing_ || (this.executing_ = !0, goog.async.run(this.executeCallbacks_, this))
};
goog.Promise.prototype.hasEntry_ = function () {
	return !!this.callbackEntries_
};
goog.Promise.prototype.queueEntry_ = function (a) {
	goog.asserts.assert(null != a.onFulfilled);
	this.callbackEntriesTail_ ? this.callbackEntriesTail_.next = a : this.callbackEntries_ = a;
	this.callbackEntriesTail_ = a
};
goog.Promise.prototype.popEntry_ = function () {
	var a = null;
	this.callbackEntries_ && (a = this.callbackEntries_, this.callbackEntries_ = a.next, a.next = null);
	this.callbackEntries_ || (this.callbackEntriesTail_ = null);
	null != a && goog.asserts.assert(null != a.onFulfilled);
	return a
};
goog.Promise.prototype.removeEntryAfter_ = function (a) {
	goog.asserts.assert(this.callbackEntries_);
	goog.asserts.assert(null != a);
	a.next == this.callbackEntriesTail_ && (this.callbackEntriesTail_ = a);
	a.next = a.next.next
};
goog.Promise.prototype.executeCallbacks_ = function () {
	for (var a; a = this.popEntry_() ;) goog.Promise.LONG_STACK_TRACES && this.currentStep_++, this.executeCallback_(a, this.state_, this.result_);
	this.executing_ = !1
};
goog.Promise.prototype.executeCallback_ = function (a, b, c) {
	b == goog.Promise.State_.REJECTED && a.onRejected && !a.always && this.removeUnhandledRejection_();
	if (a.child) a.child.parent_ = null, goog.Promise.invokeCallback_(a, b, c);
	else try {
		a.always ? a.onFulfilled.call(a.context) : goog.Promise.invokeCallback_(a, b, c)
	} catch (d) {
		goog.Promise.handleRejection_.call(null, d)
	}
	goog.Promise.returnEntry_(a)
};
goog.Promise.invokeCallback_ = function (a, b, c) {
	b == goog.Promise.State_.FULFILLED ? a.onFulfilled.call(a.context, c) : a.onRejected && a.onRejected.call(a.context, c)
};
goog.Promise.prototype.addStackTrace_ = function (a) {
	if (goog.Promise.LONG_STACK_TRACES && goog.isString(a.stack)) {
		var b = a.stack.split("\n", 4)[3];
		a = a.message;
		a += Array(11 - a.length).join(" ");
		this.stack_.push(a + b)
	}
};
goog.Promise.prototype.appendLongStack_ = function (a) {
	if (goog.Promise.LONG_STACK_TRACES && a && goog.isString(a.stack) && this.stack_.length) {
		for (var b = ["Promise trace:"], c = this; c; c = c.parent_) {
			for (var d = this.currentStep_; 0 <= d; d--) b.push(c.stack_[d]);
			b.push("Value: [" + (c.state_ == goog.Promise.State_.REJECTED ? "REJECTED" : "FULFILLED") + "] <" + String(c.result_) + ">")
		}
		a.stack += "\n\n" + b.join("\n")
	}
};
goog.Promise.prototype.removeUnhandledRejection_ = function () {
	if (0 < goog.Promise.UNHANDLED_REJECTION_DELAY)
		for (var a = this; a && a.unhandledRejectionId_; a = a.parent_) goog.global.clearTimeout(a.unhandledRejectionId_), a.unhandledRejectionId_ = 0;
	else if (0 == goog.Promise.UNHANDLED_REJECTION_DELAY)
		for (a = this; a && a.hadUnhandledRejection_; a = a.parent_) a.hadUnhandledRejection_ = !1
};
goog.Promise.addUnhandledRejection_ = function (a, b) {
	0 < goog.Promise.UNHANDLED_REJECTION_DELAY ? a.unhandledRejectionId_ = goog.global.setTimeout(function () {
		a.appendLongStack_(b);
		goog.Promise.handleRejection_.call(null, b)
	}, goog.Promise.UNHANDLED_REJECTION_DELAY) : 0 == goog.Promise.UNHANDLED_REJECTION_DELAY && (a.hadUnhandledRejection_ = !0, goog.async.run(function () {
		a.hadUnhandledRejection_ && (a.appendLongStack_(b), goog.Promise.handleRejection_.call(null, b))
	}))
};
goog.Promise.handleRejection_ = goog.async.throwException;
goog.Promise.setUnhandledRejectionHandler = function (a) {
	goog.Promise.handleRejection_ = a
};
goog.Promise.CancellationError = function (a) {
	goog.debug.Error.call(this, a)
};
goog.inherits(goog.Promise.CancellationError, goog.debug.Error);
goog.Promise.CancellationError.prototype.name = "cancel";
goog.Promise.Resolver_ = function (a, b, c) {
	this.promise = a;
	this.resolve = b;
	this.reject = c
};
goog.events.EventTarget = function () {
	goog.Disposable.call(this);
	this.eventTargetListeners_ = new goog.events.ListenerMap(this);
	this.actualEventTarget_ = this;
	this.parentEventTarget_ = null
};
goog.inherits(goog.events.EventTarget, goog.Disposable);
goog.events.Listenable.addImplementation(goog.events.EventTarget);
goog.events.EventTarget.MAX_ANCESTORS_ = 1E3;
goog.events.EventTarget.prototype.getParentEventTarget = function () {
	return this.parentEventTarget_
};
goog.events.EventTarget.prototype.setParentEventTarget = function (a) {
	this.parentEventTarget_ = a
};
goog.events.EventTarget.prototype.addEventListener = function (a, b, c, d) {
	goog.events.listen(this, a, b, c, d)
};
goog.events.EventTarget.prototype.removeEventListener = function (a, b, c, d) {
	goog.events.unlisten(this, a, b, c, d)
};
goog.events.EventTarget.prototype.dispatchEvent = function (a) {
	this.assertInitialized_();
	var b, c = this.getParentEventTarget();
	if (c) {
		b = [];
		for (var d = 1; c; c = c.getParentEventTarget()) b.push(c), goog.asserts.assert(++d < goog.events.EventTarget.MAX_ANCESTORS_, "infinite loop")
	}
	return goog.events.EventTarget.dispatchEventInternal_(this.actualEventTarget_, a, b)
};
goog.events.EventTarget.prototype.disposeInternal = function () {
	goog.events.EventTarget.superClass_.disposeInternal.call(this);
	this.removeAllListeners();
	this.parentEventTarget_ = null
};
goog.events.EventTarget.prototype.listen = function (a, b, c, d) {
	this.assertInitialized_();
	return this.eventTargetListeners_.add(String(a), b, !1, c, d)
};
goog.events.EventTarget.prototype.listenOnce = function (a, b, c, d) {
	return this.eventTargetListeners_.add(String(a), b, !0, c, d)
};
goog.events.EventTarget.prototype.unlisten = function (a, b, c, d) {
	return this.eventTargetListeners_.remove(String(a), b, c, d)
};
goog.events.EventTarget.prototype.unlistenByKey = function (a) {
	return this.eventTargetListeners_.removeByKey(a)
};
goog.events.EventTarget.prototype.removeAllListeners = function (a) {
	return this.eventTargetListeners_ ? this.eventTargetListeners_.removeAll(a) : 0
};
goog.events.EventTarget.prototype.fireListeners = function (a, b, c) {
	a = this.eventTargetListeners_.listeners[String(a)];
	if (!a) return !0;
	a = a.concat();
	for (var d = !0, e = 0; e < a.length; ++e) {
		var f = a[e];
		if (f && !f.removed && f.capture == b) {
			var g = f.listener,
				h = f.handler || f.src;
			f.callOnce && this.unlistenByKey(f);
			d = !1 !== g.call(h, c) && d
		}
	}
	return d && 0 != c.returnValue_
};
goog.events.EventTarget.prototype.getListeners = function (a, b) {
	return this.eventTargetListeners_.getListeners(String(a), b)
};
goog.events.EventTarget.prototype.getListener = function (a, b, c, d) {
	return this.eventTargetListeners_.getListener(String(a), b, c, d)
};
goog.events.EventTarget.prototype.hasListener = function (a, b) {
	var c = goog.isDef(a) ? String(a) : void 0;
	return this.eventTargetListeners_.hasListener(c, b)
};
goog.events.EventTarget.prototype.setTargetForTesting = function (a) {
	this.actualEventTarget_ = a
};
goog.events.EventTarget.prototype.assertInitialized_ = function () {
	goog.asserts.assert(this.eventTargetListeners_, "Event target is not initialized. Did you call the superclass (goog.events.EventTarget) constructor?")
};
goog.events.EventTarget.dispatchEventInternal_ = function (a, b, c) {
	var d = b.type || b;
	if (goog.isString(b)) b = new goog.events.Event(b, a);
	else if (b instanceof goog.events.Event) b.target = b.target || a;
	else {
		var e = b;
		b = new goog.events.Event(d, a);
		goog.object.extend(b, e)
	}
	var e = !0,
		f;
	if (c)
		for (var g = c.length - 1; !b.propagationStopped_ && 0 <= g; g--) f = b.currentTarget = c[g], e = f.fireListeners(d, !0, b) && e;
	b.propagationStopped_ || (f = b.currentTarget = a, e = f.fireListeners(d, !0, b) && e, b.propagationStopped_ || (e = f.fireListeners(d, !1, b) && e));
	if (c)
		for (g = 0; !b.propagationStopped_ && g < c.length; g++) f = b.currentTarget = c[g], e = f.fireListeners(d, !1, b) && e;
	return e
};
goog.Timer = function (a, b) {
	goog.events.EventTarget.call(this);
	this.interval_ = a || 1;
	this.timerObject_ = b || goog.Timer.defaultTimerObject;
	this.boundTick_ = goog.bind(this.tick_, this);
	this.last_ = goog.now()
};
goog.inherits(goog.Timer, goog.events.EventTarget);
goog.Timer.MAX_TIMEOUT_ = 2147483647;
goog.Timer.INVALID_TIMEOUT_ID_ = -1;
goog.Timer.prototype.enabled = !1;
goog.Timer.defaultTimerObject = goog.global;
goog.Timer.intervalScale = .8;
goog.Timer.prototype.timer_ = null;
goog.Timer.prototype.getInterval = function () {
	return this.interval_
};
goog.Timer.prototype.setInterval = function (a) {
	this.interval_ = a;
	this.timer_ && this.enabled ? (this.stop(), this.start()) : this.timer_ && this.stop()
};
goog.Timer.prototype.tick_ = function () {
	if (this.enabled) {
		var a = goog.now() - this.last_;
		0 < a && a < this.interval_ * goog.Timer.intervalScale ? this.timer_ = this.timerObject_.setTimeout(this.boundTick_, this.interval_ - a) : (this.timer_ && (this.timerObject_.clearTimeout(this.timer_), this.timer_ = null), this.dispatchTick(), this.enabled && (this.timer_ = this.timerObject_.setTimeout(this.boundTick_, this.interval_), this.last_ = goog.now()))
	}
};
goog.Timer.prototype.dispatchTick = function () {
	this.dispatchEvent(goog.Timer.TICK)
};
goog.Timer.prototype.start = function () {
	this.enabled = !0;
	this.timer_ || (this.timer_ = this.timerObject_.setTimeout(this.boundTick_, this.interval_), this.last_ = goog.now())
};
goog.Timer.prototype.stop = function () {
	this.enabled = !1;
	this.timer_ && (this.timerObject_.clearTimeout(this.timer_), this.timer_ = null)
};
goog.Timer.prototype.disposeInternal = function () {
	goog.Timer.superClass_.disposeInternal.call(this);
	this.stop();
	delete this.timerObject_
};
goog.Timer.TICK = "tick";
goog.Timer.callOnce = function (a, b, c) {
	if (goog.isFunction(a)) c && (a = goog.bind(a, c));
	else if (a && "function" == typeof a.handleEvent) a = goog.bind(a.handleEvent, a);
	else throw Error("Invalid listener argument");
	return Number(b) > goog.Timer.MAX_TIMEOUT_ ? goog.Timer.INVALID_TIMEOUT_ID_ : goog.Timer.defaultTimerObject.setTimeout(a, b || 0)
};
goog.Timer.clear = function (a) {
	goog.Timer.defaultTimerObject.clearTimeout(a)
};
goog.Timer.promise = function (a, b) {
	var c = null;
	return (new goog.Promise(function (d, e) {
		c = goog.Timer.callOnce(function () {
			d(b)
		}, a);
		c == goog.Timer.INVALID_TIMEOUT_ID_ && e(Error("Failed to schedule timer."))
	})).thenCatch(function (a) {
		goog.Timer.clear(c);
		throw a;
	})
};
goog.events.EventHandler = function (a) {
	goog.Disposable.call(this);
	this.handler_ = a;
	this.keys_ = {}
};
goog.inherits(goog.events.EventHandler, goog.Disposable);
goog.events.EventHandler.typeArray_ = [];
goog.events.EventHandler.prototype.listen = function (a, b, c, d) {
	return this.listen_(a, b, c, d)
};
goog.events.EventHandler.prototype.listenWithScope = function (a, b, c, d, e) {
	return this.listen_(a, b, c, d, e)
};
goog.events.EventHandler.prototype.listen_ = function (a, b, c, d, e) {
	goog.isArray(b) || (b && (goog.events.EventHandler.typeArray_[0] = b.toString()), b = goog.events.EventHandler.typeArray_);
	for (var f = 0; f < b.length; f++) {
		var g = goog.events.listen(a, b[f], c || this.handleEvent, d || !1, e || this.handler_ || this);
		if (!g) break;
		this.keys_[g.key] = g
	}
	return this
};
goog.events.EventHandler.prototype.listenOnce = function (a, b, c, d) {
	return this.listenOnce_(a, b, c, d)
};
goog.events.EventHandler.prototype.listenOnceWithScope = function (a, b, c, d, e) {
	return this.listenOnce_(a, b, c, d, e)
};
goog.events.EventHandler.prototype.listenOnce_ = function (a, b, c, d, e) {
	if (goog.isArray(b))
		for (var f = 0; f < b.length; f++) this.listenOnce_(a, b[f], c, d, e);
	else {
		a = goog.events.listenOnce(a, b, c || this.handleEvent, d, e || this.handler_ || this);
		if (!a) return this;
		this.keys_[a.key] = a
	}
	return this
};
goog.events.EventHandler.prototype.listenWithWrapper = function (a, b, c, d) {
	return this.listenWithWrapper_(a, b, c, d)
};
goog.events.EventHandler.prototype.listenWithWrapperAndScope = function (a, b, c, d, e) {
	return this.listenWithWrapper_(a, b, c, d, e)
};
goog.events.EventHandler.prototype.listenWithWrapper_ = function (a, b, c, d, e) {
	b.listen(a, c, d, e || this.handler_ || this, this);
	return this
};
goog.events.EventHandler.prototype.getListenerCount = function () {
	var a = 0,
		b;
	for (b in this.keys_) Object.prototype.hasOwnProperty.call(this.keys_, b) && a++;
	return a
};
goog.events.EventHandler.prototype.unlisten = function (a, b, c, d, e) {
	if (goog.isArray(b))
		for (var f = 0; f < b.length; f++) this.unlisten(a, b[f], c, d, e);
	else if (a = goog.events.getListener(a, b, c || this.handleEvent, d, e || this.handler_ || this)) goog.events.unlistenByKey(a), delete this.keys_[a.key];
	return this
};
goog.events.EventHandler.prototype.unlistenWithWrapper = function (a, b, c, d, e) {
	b.unlisten(a, c, d, e || this.handler_ || this, this);
	return this
};
goog.events.EventHandler.prototype.removeAll = function () {
	goog.object.forEach(this.keys_, function (a, b) {
		this.keys_.hasOwnProperty(b) && goog.events.unlistenByKey(a)
	}, this);
	this.keys_ = {}
};
goog.events.EventHandler.prototype.disposeInternal = function () {
	goog.events.EventHandler.superClass_.disposeInternal.call(this);
	this.removeAll()
};
goog.events.EventHandler.prototype.handleEvent = function (a) {
	throw Error("EventHandler.handleEvent not implemented");
};
goog.ui = {};
goog.ui.IdGenerator = function () { };
goog.addSingletonGetter(goog.ui.IdGenerator);
goog.ui.IdGenerator.prototype.nextId_ = 0;
goog.ui.IdGenerator.prototype.getNextUniqueId = function () {
	return ":" + (this.nextId_++).toString(36)
};
goog.ui.Component = function (a) {
	goog.events.EventTarget.call(this);
	this.dom_ = a || goog.dom.getDomHelper();
	this.rightToLeft_ = goog.ui.Component.defaultRightToLeft_;
	this.id_ = null;
	this.inDocument_ = !1;
	this.element_ = null;
	this.googUiComponentHandler_ = void 0;
	this.childIndex_ = this.children_ = this.parent_ = this.model_ = null;
	this.wasDecorated_ = !1
};
goog.inherits(goog.ui.Component, goog.events.EventTarget);
goog.ui.Component.ALLOW_DETACHED_DECORATION = !1;
goog.ui.Component.prototype.idGenerator_ = goog.ui.IdGenerator.getInstance();
goog.ui.Component.DEFAULT_BIDI_DIR = 0;
goog.ui.Component.defaultRightToLeft_ = 1 == goog.ui.Component.DEFAULT_BIDI_DIR ? !1 : -1 == goog.ui.Component.DEFAULT_BIDI_DIR ? !0 : null;
goog.ui.Component.EventType = {
	BEFORE_SHOW: "beforeshow",
	SHOW: "show",
	HIDE: "hide",
	DISABLE: "disable",
	ENABLE: "enable",
	HIGHLIGHT: "highlight",
	UNHIGHLIGHT: "unhighlight",
	ACTIVATE: "activate",
	DEACTIVATE: "deactivate",
	SELECT: "select",
	UNSELECT: "unselect",
	CHECK: "check",
	UNCHECK: "uncheck",
	FOCUS: "focus",
	BLUR: "blur",
	OPEN: "open",
	CLOSE: "close",
	ENTER: "enter",
	LEAVE: "leave",
	ACTION: "action",
	CHANGE: "change"
};
goog.ui.Component.Error = {
	NOT_SUPPORTED: "Method not supported",
	DECORATE_INVALID: "Invalid element to decorate",
	ALREADY_RENDERED: "Component already rendered",
	PARENT_UNABLE_TO_BE_SET: "Unable to set parent component",
	CHILD_INDEX_OUT_OF_BOUNDS: "Child component index out of bounds",
	NOT_OUR_CHILD: "Child is not in parent component",
	NOT_IN_DOCUMENT: "Operation not supported while component is not in document",
	STATE_INVALID: "Invalid component state"
};
goog.ui.Component.State = {
	ALL: 255,
	DISABLED: 1,
	HOVER: 2,
	ACTIVE: 4,
	SELECTED: 8,
	CHECKED: 16,
	FOCUSED: 32,
	OPENED: 64
};
goog.ui.Component.getStateTransitionEvent = function (a, b) {
	switch (a) {
		case goog.ui.Component.State.DISABLED:
			return b ? goog.ui.Component.EventType.DISABLE : goog.ui.Component.EventType.ENABLE;
		case goog.ui.Component.State.HOVER:
			return b ? goog.ui.Component.EventType.HIGHLIGHT : goog.ui.Component.EventType.UNHIGHLIGHT;
		case goog.ui.Component.State.ACTIVE:
			return b ? goog.ui.Component.EventType.ACTIVATE : goog.ui.Component.EventType.DEACTIVATE;
		case goog.ui.Component.State.SELECTED:
			return b ? goog.ui.Component.EventType.SELECT :
				goog.ui.Component.EventType.UNSELECT;
		case goog.ui.Component.State.CHECKED:
			return b ? goog.ui.Component.EventType.CHECK : goog.ui.Component.EventType.UNCHECK;
		case goog.ui.Component.State.FOCUSED:
			return b ? goog.ui.Component.EventType.FOCUS : goog.ui.Component.EventType.BLUR;
		case goog.ui.Component.State.OPENED:
			return b ? goog.ui.Component.EventType.OPEN : goog.ui.Component.EventType.CLOSE
	}
	throw Error(goog.ui.Component.Error.STATE_INVALID);
};
goog.ui.Component.setDefaultRightToLeft = function (a) {
	goog.ui.Component.defaultRightToLeft_ = a
};
goog.ui.Component.prototype.getId = function () {
	return this.id_ || (this.id_ = this.idGenerator_.getNextUniqueId())
};
goog.ui.Component.prototype.setId = function (a) {
	this.parent_ && this.parent_.childIndex_ && (goog.object.remove(this.parent_.childIndex_, this.id_), goog.object.add(this.parent_.childIndex_, a, this));
	this.id_ = a
};
goog.ui.Component.prototype.getElement = function () {
	return this.element_
};
goog.ui.Component.prototype.getElementStrict = function () {
	var a = this.element_;
	goog.asserts.assert(a, "Can not call getElementStrict before rendering/decorating.");
	return a
};
goog.ui.Component.prototype.setElementInternal = function (a) {
	this.element_ = a
};
goog.ui.Component.prototype.getElementsByClass = function (a) {
	return this.element_ ? this.dom_.getElementsByClass(a, this.element_) : []
};
goog.ui.Component.prototype.getElementByClass = function (a) {
	return this.element_ ? this.dom_.getElementByClass(a, this.element_) : null
};
goog.ui.Component.prototype.getRequiredElementByClass = function (a) {
	var b = this.getElementByClass(a);
	goog.asserts.assert(b, "Expected element in component with class: %s", a);
	return b
};
goog.ui.Component.prototype.getHandler = function () {
	this.googUiComponentHandler_ || (this.googUiComponentHandler_ = new goog.events.EventHandler(this));
	return this.googUiComponentHandler_
};
goog.ui.Component.prototype.setParent = function (a) {
	if (this == a) throw Error(goog.ui.Component.Error.PARENT_UNABLE_TO_BE_SET);
	if (a && this.parent_ && this.id_ && this.parent_.getChild(this.id_) && this.parent_ != a) throw Error(goog.ui.Component.Error.PARENT_UNABLE_TO_BE_SET);
	this.parent_ = a;
	goog.ui.Component.superClass_.setParentEventTarget.call(this, a)
};
goog.ui.Component.prototype.getParent = function () {
	return this.parent_
};
goog.ui.Component.prototype.setParentEventTarget = function (a) {
	if (this.parent_ && this.parent_ != a) throw Error(goog.ui.Component.Error.NOT_SUPPORTED);
	goog.ui.Component.superClass_.setParentEventTarget.call(this, a)
};
goog.ui.Component.prototype.getDomHelper = function () {
	return this.dom_
};
goog.ui.Component.prototype.isInDocument = function () {
	return this.inDocument_
};
goog.ui.Component.prototype.createDom = function () {
	this.element_ = this.dom_.createElement("DIV")
};
goog.ui.Component.prototype.render = function (a) {
	this.render_(a)
};
goog.ui.Component.prototype.renderBefore = function (a) {
	this.render_(a.parentNode, a)
};
goog.ui.Component.prototype.render_ = function (a, b) {
	if (this.inDocument_) throw Error(goog.ui.Component.Error.ALREADY_RENDERED);
	this.element_ || this.createDom();
	a ? a.insertBefore(this.element_, b || null) : this.dom_.getDocument().body.appendChild(this.element_);
	this.parent_ && !this.parent_.isInDocument() || this.enterDocument()
};
goog.ui.Component.prototype.decorate = function (a) {
	if (this.inDocument_) throw Error(goog.ui.Component.Error.ALREADY_RENDERED);
	if (a && this.canDecorate(a)) {
		this.wasDecorated_ = !0;
		var b = goog.dom.getOwnerDocument(a);
		this.dom_ && this.dom_.getDocument() == b || (this.dom_ = goog.dom.getDomHelper(a));
		this.decorateInternal(a);
		goog.ui.Component.ALLOW_DETACHED_DECORATION && !goog.dom.contains(b, a) || this.enterDocument()
	} else throw Error(goog.ui.Component.Error.DECORATE_INVALID);
};
goog.ui.Component.prototype.canDecorate = function (a) {
	return !0
};
goog.ui.Component.prototype.wasDecorated = function () {
	return this.wasDecorated_
};
goog.ui.Component.prototype.decorateInternal = function (a) {
	this.element_ = a
};
goog.ui.Component.prototype.enterDocument = function () {
	this.inDocument_ = !0;
	this.forEachChild(function (a) {
		!a.isInDocument() && a.getElement() && a.enterDocument()
	})
};
goog.ui.Component.prototype.exitDocument = function () {
	this.forEachChild(function (a) {
		a.isInDocument() && a.exitDocument()
	});
	this.googUiComponentHandler_ && this.googUiComponentHandler_.removeAll();
	this.inDocument_ = !1
};
goog.ui.Component.prototype.disposeInternal = function () {
	this.inDocument_ && this.exitDocument();
	this.googUiComponentHandler_ && (this.googUiComponentHandler_.dispose(), delete this.googUiComponentHandler_);
	this.forEachChild(function (a) {
		a.dispose()
	});
	!this.wasDecorated_ && this.element_ && goog.dom.removeNode(this.element_);
	this.parent_ = this.model_ = this.element_ = this.childIndex_ = this.children_ = null;
	goog.ui.Component.superClass_.disposeInternal.call(this)
};
goog.ui.Component.prototype.makeId = function (a) {
	return this.getId() + "." + a
};
goog.ui.Component.prototype.makeIds = function (a) {
	var b = {},
		c;
	for (c in a) b[c] = this.makeId(a[c]);
	return b
};
goog.ui.Component.prototype.getModel = function () {
	return this.model_
};
goog.ui.Component.prototype.setModel = function (a) {
	this.model_ = a
};
goog.ui.Component.prototype.getFragmentFromId = function (a) {
	return a.substring(this.getId().length + 1)
};
goog.ui.Component.prototype.getElementByFragment = function (a) {
	if (!this.inDocument_) throw Error(goog.ui.Component.Error.NOT_IN_DOCUMENT);
	return this.dom_.getElement(this.makeId(a))
};
goog.ui.Component.prototype.addChild = function (a, b) {
	this.addChildAt(a, this.getChildCount(), b)
};
goog.ui.Component.prototype.addChildAt = function (a, b, c) {
	goog.asserts.assert(!!a, "Provided element must not be null.");
	if (a.inDocument_ && (c || !this.inDocument_)) throw Error(goog.ui.Component.Error.ALREADY_RENDERED);
	if (0 > b || b > this.getChildCount()) throw Error(goog.ui.Component.Error.CHILD_INDEX_OUT_OF_BOUNDS);
	this.childIndex_ && this.children_ || (this.childIndex_ = {}, this.children_ = []);
	a.getParent() == this ? (goog.object.set(this.childIndex_, a.getId(), a), goog.array.remove(this.children_, a)) : goog.object.add(this.childIndex_,
		a.getId(), a);
	a.setParent(this);
	goog.array.insertAt(this.children_, a, b);
	a.inDocument_ && this.inDocument_ && a.getParent() == this ? (c = this.getContentElement(), b = c.childNodes[b] || null, b != a.getElement() && c.insertBefore(a.getElement(), b)) : c ? (this.element_ || this.createDom(), b = this.getChildAt(b + 1), a.render_(this.getContentElement(), b ? b.element_ : null)) : this.inDocument_ && !a.inDocument_ && a.element_ && a.element_.parentNode && a.element_.parentNode.nodeType == goog.dom.NodeType.ELEMENT && a.enterDocument()
};
goog.ui.Component.prototype.getContentElement = function () {
	return this.element_
};
goog.ui.Component.prototype.isRightToLeft = function () {
	null == this.rightToLeft_ && (this.rightToLeft_ = goog.style.isRightToLeft(this.inDocument_ ? this.element_ : this.dom_.getDocument().body));
	return this.rightToLeft_
};
goog.ui.Component.prototype.setRightToLeft = function (a) {
	if (this.inDocument_) throw Error(goog.ui.Component.Error.ALREADY_RENDERED);
	this.rightToLeft_ = a
};
goog.ui.Component.prototype.hasChildren = function () {
	return !!this.children_ && 0 != this.children_.length
};
goog.ui.Component.prototype.getChildCount = function () {
	return this.children_ ? this.children_.length : 0
};
goog.ui.Component.prototype.getChildIds = function () {
	var a = [];
	this.forEachChild(function (b) {
		a.push(b.getId())
	});
	return a
};
goog.ui.Component.prototype.getChild = function (a) {
	return this.childIndex_ && a ? goog.object.get(this.childIndex_, a) || null : null
};
goog.ui.Component.prototype.getChildAt = function (a) {
	return this.children_ ? this.children_[a] || null : null
};
goog.ui.Component.prototype.forEachChild = function (a, b) {
	this.children_ && goog.array.forEach(this.children_, a, b)
};
goog.ui.Component.prototype.indexOfChild = function (a) {
	return this.children_ && a ? goog.array.indexOf(this.children_, a) : -1
};
goog.ui.Component.prototype.removeChild = function (a, b) {
	if (a) {
		var c = goog.isString(a) ? a : a.getId();
		a = this.getChild(c);
		c && a && (goog.object.remove(this.childIndex_, c), goog.array.remove(this.children_, a), b && (a.exitDocument(), a.element_ && goog.dom.removeNode(a.element_)), a.setParent(null))
	}
	if (!a) throw Error(goog.ui.Component.Error.NOT_OUR_CHILD);
	return a
};
goog.ui.Component.prototype.removeChildAt = function (a, b) {
	return this.removeChild(this.getChildAt(a), b)
};
goog.ui.Component.prototype.removeChildren = function (a) {
	for (var b = []; this.hasChildren() ;) b.push(this.removeChildAt(0, a));
	return b
};
goog.a11y = {};
goog.a11y.aria = {};
goog.a11y.aria.Role = {
	ALERT: "alert",
	ALERTDIALOG: "alertdialog",
	APPLICATION: "application",
	ARTICLE: "article",
	BANNER: "banner",
	BUTTON: "button",
	CHECKBOX: "checkbox",
	COLUMNHEADER: "columnheader",
	COMBOBOX: "combobox",
	COMPLEMENTARY: "complementary",
	CONTENTINFO: "contentinfo",
	DEFINITION: "definition",
	DIALOG: "dialog",
	DIRECTORY: "directory",
	DOCUMENT: "document",
	FORM: "form",
	GRID: "grid",
	GRIDCELL: "gridcell",
	GROUP: "group",
	HEADING: "heading",
	IMG: "img",
	LINK: "link",
	LIST: "list",
	LISTBOX: "listbox",
	LISTITEM: "listitem",
	LOG: "log",
	MAIN: "main",
	MARQUEE: "marquee",
	MATH: "math",
	MENU: "menu",
	MENUBAR: "menubar",
	MENU_ITEM: "menuitem",
	MENU_ITEM_CHECKBOX: "menuitemcheckbox",
	MENU_ITEM_RADIO: "menuitemradio",
	NAVIGATION: "navigation",
	NOTE: "note",
	OPTION: "option",
	PRESENTATION: "presentation",
	PROGRESSBAR: "progressbar",
	RADIO: "radio",
	RADIOGROUP: "radiogroup",
	REGION: "region",
	ROW: "row",
	ROWGROUP: "rowgroup",
	ROWHEADER: "rowheader",
	SCROLLBAR: "scrollbar",
	SEARCH: "search",
	SEPARATOR: "separator",
	SLIDER: "slider",
	SPINBUTTON: "spinbutton",
	STATUS: "status",
	TAB: "tab",
	TAB_LIST: "tablist",
	TAB_PANEL: "tabpanel",
	TEXTBOX: "textbox",
	TEXTINFO: "textinfo",
	TIMER: "timer",
	TOOLBAR: "toolbar",
	TOOLTIP: "tooltip",
	TREE: "tree",
	TREEGRID: "treegrid",
	TREEITEM: "treeitem"
};
goog.a11y.aria.State = {
	ACTIVEDESCENDANT: "activedescendant",
	ATOMIC: "atomic",
	AUTOCOMPLETE: "autocomplete",
	BUSY: "busy",
	CHECKED: "checked",
	CONTROLS: "controls",
	DESCRIBEDBY: "describedby",
	DISABLED: "disabled",
	DROPEFFECT: "dropeffect",
	EXPANDED: "expanded",
	FLOWTO: "flowto",
	GRABBED: "grabbed",
	HASPOPUP: "haspopup",
	HIDDEN: "hidden",
	INVALID: "invalid",
	LABEL: "label",
	LABELLEDBY: "labelledby",
	LEVEL: "level",
	LIVE: "live",
	MULTILINE: "multiline",
	MULTISELECTABLE: "multiselectable",
	ORIENTATION: "orientation",
	OWNS: "owns",
	POSINSET: "posinset",
	PRESSED: "pressed",
	READONLY: "readonly",
	RELEVANT: "relevant",
	REQUIRED: "required",
	SELECTED: "selected",
	SETSIZE: "setsize",
	SORT: "sort",
	VALUEMAX: "valuemax",
	VALUEMIN: "valuemin",
	VALUENOW: "valuenow",
	VALUETEXT: "valuetext"
};
goog.a11y.aria.AutoCompleteValues = {
	INLINE: "inline",
	LIST: "list",
	BOTH: "both",
	NONE: "none"
};
goog.a11y.aria.DropEffectValues = {
	COPY: "copy",
	MOVE: "move",
	LINK: "link",
	EXECUTE: "execute",
	POPUP: "popup",
	NONE: "none"
};
goog.a11y.aria.LivePriority = {
	OFF: "off",
	POLITE: "polite",
	ASSERTIVE: "assertive"
};
goog.a11y.aria.OrientationValues = {
	VERTICAL: "vertical",
	HORIZONTAL: "horizontal"
};
goog.a11y.aria.RelevantValues = {
	ADDITIONS: "additions",
	REMOVALS: "removals",
	TEXT: "text",
	ALL: "all"
};
goog.a11y.aria.SortValues = {
	ASCENDING: "ascending",
	DESCENDING: "descending",
	NONE: "none",
	OTHER: "other"
};
goog.a11y.aria.CheckedValues = {
	TRUE: "true",
	FALSE: "false",
	MIXED: "mixed",
	UNDEFINED: "undefined"
};
goog.a11y.aria.ExpandedValues = {
	TRUE: "true",
	FALSE: "false",
	UNDEFINED: "undefined"
};
goog.a11y.aria.GrabbedValues = {
	TRUE: "true",
	FALSE: "false",
	UNDEFINED: "undefined"
};
goog.a11y.aria.InvalidValues = {
	FALSE: "false",
	TRUE: "true",
	GRAMMAR: "grammar",
	SPELLING: "spelling"
};
goog.a11y.aria.PressedValues = {
	TRUE: "true",
	FALSE: "false",
	MIXED: "mixed",
	UNDEFINED: "undefined"
};
goog.a11y.aria.SelectedValues = {
	TRUE: "true",
	FALSE: "false",
	UNDEFINED: "undefined"
};
goog.a11y.aria.datatables = {};
goog.a11y.aria.datatables.getDefaultValuesMap = function () {
	goog.a11y.aria.DefaultStateValueMap_ || (goog.a11y.aria.DefaultStateValueMap_ = goog.object.create(goog.a11y.aria.State.ATOMIC, !1, goog.a11y.aria.State.AUTOCOMPLETE, "none", goog.a11y.aria.State.DROPEFFECT, "none", goog.a11y.aria.State.HASPOPUP, !1, goog.a11y.aria.State.LIVE, "off", goog.a11y.aria.State.MULTILINE, !1, goog.a11y.aria.State.MULTISELECTABLE, !1, goog.a11y.aria.State.ORIENTATION, "vertical", goog.a11y.aria.State.READONLY, !1, goog.a11y.aria.State.RELEVANT,
		"additions text", goog.a11y.aria.State.REQUIRED, !1, goog.a11y.aria.State.SORT, "none", goog.a11y.aria.State.BUSY, !1, goog.a11y.aria.State.DISABLED, !1, goog.a11y.aria.State.HIDDEN, !1, goog.a11y.aria.State.INVALID, "false"));
	return goog.a11y.aria.DefaultStateValueMap_
};
goog.a11y.aria.ARIA_PREFIX_ = "aria-";
goog.a11y.aria.ROLE_ATTRIBUTE_ = "role";
goog.a11y.aria.TAGS_WITH_ASSUMED_ROLES_ = goog.object.createSet("A AREA BUTTON HEAD INPUT LINK MENU META OPTGROUP OPTION PROGRESS STYLE SELECT SOURCE TEXTAREA TITLE TRACK".split(" "));
goog.a11y.aria.CONTAINER_ROLES_ = [goog.a11y.aria.Role.COMBOBOX, goog.a11y.aria.Role.GRID, goog.a11y.aria.Role.GROUP, goog.a11y.aria.Role.LISTBOX, goog.a11y.aria.Role.MENU, goog.a11y.aria.Role.MENUBAR, goog.a11y.aria.Role.RADIOGROUP, goog.a11y.aria.Role.ROW, goog.a11y.aria.Role.ROWGROUP, goog.a11y.aria.Role.TAB_LIST, goog.a11y.aria.Role.TEXTBOX, goog.a11y.aria.Role.TOOLBAR, goog.a11y.aria.Role.TREE, goog.a11y.aria.Role.TREEGRID];
goog.a11y.aria.setRole = function (a, b) {
	b ? (goog.asserts.ENABLE_ASSERTS && goog.asserts.assert(goog.object.containsValue(goog.a11y.aria.Role, b), "No such ARIA role " + b), a.setAttribute(goog.a11y.aria.ROLE_ATTRIBUTE_, b)) : goog.a11y.aria.removeRole(a)
};
goog.a11y.aria.getRole = function (a) {
	return a.getAttribute(goog.a11y.aria.ROLE_ATTRIBUTE_) || null
};
goog.a11y.aria.removeRole = function (a) {
	a.removeAttribute(goog.a11y.aria.ROLE_ATTRIBUTE_)
};
goog.a11y.aria.setState = function (a, b, c) {
	goog.isArray(c) && (c = c.join(" "));
	var d = goog.a11y.aria.getAriaAttributeName_(b);
	"" === c || void 0 == c ? (c = goog.a11y.aria.datatables.getDefaultValuesMap(), b in c ? a.setAttribute(d, c[b]) : a.removeAttribute(d)) : a.setAttribute(d, c)
};
goog.a11y.aria.toggleState = function (a, b) {
	var c = goog.a11y.aria.getState(a, b);
	goog.string.isEmptyOrWhitespace(goog.string.makeSafe(c)) || "true" == c || "false" == c ? goog.a11y.aria.setState(a, b, "true" == c ? "false" : "true") : goog.a11y.aria.removeState(a, b)
};
goog.a11y.aria.removeState = function (a, b) {
	a.removeAttribute(goog.a11y.aria.getAriaAttributeName_(b))
};
goog.a11y.aria.getState = function (a, b) {
	var c = a.getAttribute(goog.a11y.aria.getAriaAttributeName_(b));
	return null == c || void 0 == c ? "" : String(c)
};
goog.a11y.aria.getActiveDescendant = function (a) {
	var b = goog.a11y.aria.getState(a, goog.a11y.aria.State.ACTIVEDESCENDANT);
	return goog.dom.getOwnerDocument(a).getElementById(b)
};
goog.a11y.aria.setActiveDescendant = function (a, b) {
	var c = "";
	b && (c = b.id, goog.asserts.assert(c, "The active element should have an id."));
	goog.a11y.aria.setState(a, goog.a11y.aria.State.ACTIVEDESCENDANT, c)
};
goog.a11y.aria.getLabel = function (a) {
	return goog.a11y.aria.getState(a, goog.a11y.aria.State.LABEL)
};
goog.a11y.aria.setLabel = function (a, b) {
	goog.a11y.aria.setState(a, goog.a11y.aria.State.LABEL, b)
};
goog.a11y.aria.assertRoleIsSetInternalUtil = function (a, b) {
	if (!goog.a11y.aria.TAGS_WITH_ASSUMED_ROLES_[a.tagName]) {
		var c = goog.a11y.aria.getRole(a);
		goog.asserts.assert(null != c, "The element ARIA role cannot be null.");
		goog.asserts.assert(goog.array.contains(b, c), 'Non existing or incorrect role set for element.The role set is "' + c + '". The role should be any of "' + b + '". Check the ARIA specification for more details http://www.w3.org/TR/wai-aria/roles.')
	}
};
goog.a11y.aria.getStateBoolean = function (a, b) {
	var c = a.getAttribute(goog.a11y.aria.getAriaAttributeName_(b));
	goog.asserts.assert(goog.isBoolean(c) || null == c || "true" == c || "false" == c);
	return null == c ? c : goog.isBoolean(c) ? c : "true" == c
};
goog.a11y.aria.getStateNumber = function (a, b) {
	var c = a.getAttribute(goog.a11y.aria.getAriaAttributeName_(b));
	goog.asserts.assert((null == c || !isNaN(Number(c))) && !goog.isBoolean(c));
	return null == c ? null : Number(c)
};
goog.a11y.aria.getStateString = function (a, b) {
	var c = a.getAttribute(goog.a11y.aria.getAriaAttributeName_(b));
	goog.asserts.assert((null == c || goog.isString(c)) && ("" == c || isNaN(Number(c))) && "true" != c && "false" != c);
	return null == c || "" == c ? null : c
};
goog.a11y.aria.getStringArrayStateInternalUtil = function (a, b) {
	var c = a.getAttribute(goog.a11y.aria.getAriaAttributeName_(b));
	return goog.a11y.aria.splitStringOnWhitespace_(c)
};
goog.a11y.aria.hasState = function (a, b) {
	return a.hasAttribute(goog.a11y.aria.getAriaAttributeName_(b))
};
goog.a11y.aria.isContainerRole = function (a) {
	a = goog.a11y.aria.getRole(a);
	return goog.array.contains(goog.a11y.aria.CONTAINER_ROLES_, a)
};
goog.a11y.aria.splitStringOnWhitespace_ = function (a) {
	return a ? a.split(/\s+/) : []
};
goog.a11y.aria.getAriaAttributeName_ = function (a) {
	goog.asserts.ENABLE_ASSERTS && (goog.asserts.assert(a, "ARIA attribute cannot be empty."), goog.asserts.assert(goog.object.containsValue(goog.a11y.aria.State, a), "No such ARIA attribute " + a));
	return goog.a11y.aria.ARIA_PREFIX_ + a
};
goog.events.KeyCodes = {
	WIN_KEY_FF_LINUX: 0,
	MAC_ENTER: 3,
	BACKSPACE: 8,
	TAB: 9,
	NUM_CENTER: 12,
	ENTER: 13,
	SHIFT: 16,
	CTRL: 17,
	ALT: 18,
	PAUSE: 19,
	CAPS_LOCK: 20,
	ESC: 27,
	SPACE: 32,
	PAGE_UP: 33,
	PAGE_DOWN: 34,
	END: 35,
	HOME: 36,
	LEFT: 37,
	UP: 38,
	RIGHT: 39,
	DOWN: 40,
	PLUS_SIGN: 43,
	PRINT_SCREEN: 44,
	INSERT: 45,
	DELETE: 46,
	ZERO: 48,
	ONE: 49,
	TWO: 50,
	THREE: 51,
	FOUR: 52,
	FIVE: 53,
	SIX: 54,
	SEVEN: 55,
	EIGHT: 56,
	NINE: 57,
	FF_SEMICOLON: 59,
	FF_EQUALS: 61,
	FF_DASH: 173,
	QUESTION_MARK: 63,
	AT_SIGN: 64,
	A: 65,
	B: 66,
	C: 67,
	D: 68,
	E: 69,
	F: 70,
	G: 71,
	H: 72,
	I: 73,
	J: 74,
	K: 75,
	L: 76,
	M: 77,
	N: 78,
	O: 79,
	P: 80,
	Q: 81,
	R: 82,
	S: 83,
	T: 84,
	U: 85,
	V: 86,
	W: 87,
	X: 88,
	Y: 89,
	Z: 90,
	META: 91,
	WIN_KEY_RIGHT: 92,
	CONTEXT_MENU: 93,
	NUM_ZERO: 96,
	NUM_ONE: 97,
	NUM_TWO: 98,
	NUM_THREE: 99,
	NUM_FOUR: 100,
	NUM_FIVE: 101,
	NUM_SIX: 102,
	NUM_SEVEN: 103,
	NUM_EIGHT: 104,
	NUM_NINE: 105,
	NUM_MULTIPLY: 106,
	NUM_PLUS: 107,
	NUM_MINUS: 109,
	NUM_PERIOD: 110,
	NUM_DIVISION: 111,
	F1: 112,
	F2: 113,
	F3: 114,
	F4: 115,
	F5: 116,
	F6: 117,
	F7: 118,
	F8: 119,
	F9: 120,
	F10: 121,
	F11: 122,
	F12: 123,
	NUMLOCK: 144,
	SCROLL_LOCK: 145,
	FIRST_MEDIA_KEY: 166,
	LAST_MEDIA_KEY: 183,
	SEMICOLON: 186,
	DASH: 189,
	EQUALS: 187,
	COMMA: 188,
	PERIOD: 190,
	SLASH: 191,
	APOSTROPHE: 192,
	TILDE: 192,
	SINGLE_QUOTE: 222,
	OPEN_SQUARE_BRACKET: 219,
	BACKSLASH: 220,
	CLOSE_SQUARE_BRACKET: 221,
	WIN_KEY: 224,
	MAC_FF_META: 224,
	MAC_WK_CMD_LEFT: 91,
	MAC_WK_CMD_RIGHT: 93,
	WIN_IME: 229,
	VK_NONAME: 252,
	PHANTOM: 255
};
goog.events.KeyCodes.isTextModifyingKeyEvent = function (a) {
	if (a.altKey && !a.ctrlKey || a.metaKey || a.keyCode >= goog.events.KeyCodes.F1 && a.keyCode <= goog.events.KeyCodes.F12) return !1;
	switch (a.keyCode) {
		case goog.events.KeyCodes.ALT:
		case goog.events.KeyCodes.CAPS_LOCK:
		case goog.events.KeyCodes.CONTEXT_MENU:
		case goog.events.KeyCodes.CTRL:
		case goog.events.KeyCodes.DOWN:
		case goog.events.KeyCodes.END:
		case goog.events.KeyCodes.ESC:
		case goog.events.KeyCodes.HOME:
		case goog.events.KeyCodes.INSERT:
		case goog.events.KeyCodes.LEFT:
		case goog.events.KeyCodes.MAC_FF_META:
		case goog.events.KeyCodes.META:
		case goog.events.KeyCodes.NUMLOCK:
		case goog.events.KeyCodes.NUM_CENTER:
		case goog.events.KeyCodes.PAGE_DOWN:
		case goog.events.KeyCodes.PAGE_UP:
		case goog.events.KeyCodes.PAUSE:
		case goog.events.KeyCodes.PHANTOM:
		case goog.events.KeyCodes.PRINT_SCREEN:
		case goog.events.KeyCodes.RIGHT:
		case goog.events.KeyCodes.SCROLL_LOCK:
		case goog.events.KeyCodes.SHIFT:
		case goog.events.KeyCodes.UP:
		case goog.events.KeyCodes.VK_NONAME:
		case goog.events.KeyCodes.WIN_KEY:
		case goog.events.KeyCodes.WIN_KEY_RIGHT:
			return !1;
		case goog.events.KeyCodes.WIN_KEY_FF_LINUX:
			return !goog.userAgent.GECKO;
		default:
			return a.keyCode < goog.events.KeyCodes.FIRST_MEDIA_KEY || a.keyCode > goog.events.KeyCodes.LAST_MEDIA_KEY
	}
};
goog.events.KeyCodes.firesKeyPressEvent = function (a, b, c, d, e, f) {
	if (!(goog.userAgent.IE || goog.userAgent.EDGE || goog.userAgent.WEBKIT && goog.userAgent.isVersionOrHigher("525"))) return !0;
	if (goog.userAgent.MAC && e) return goog.events.KeyCodes.isCharacterKey(a);
	if (e && !d) return !1;
	goog.isNumber(b) && (b = goog.events.KeyCodes.normalizeKeyCode(b));
	e = b == goog.events.KeyCodes.CTRL || b == goog.events.KeyCodes.ALT || goog.userAgent.MAC && b == goog.events.KeyCodes.META;
	f = b == goog.events.KeyCodes.SHIFT && (d || f);
	if ((!c || goog.userAgent.MAC) &&
		e || goog.userAgent.MAC && f) return !1;
	if ((goog.userAgent.WEBKIT || goog.userAgent.EDGE) && d && c) switch (a) {
		case goog.events.KeyCodes.BACKSLASH:
		case goog.events.KeyCodes.OPEN_SQUARE_BRACKET:
		case goog.events.KeyCodes.CLOSE_SQUARE_BRACKET:
		case goog.events.KeyCodes.TILDE:
		case goog.events.KeyCodes.SEMICOLON:
		case goog.events.KeyCodes.DASH:
		case goog.events.KeyCodes.EQUALS:
		case goog.events.KeyCodes.COMMA:
		case goog.events.KeyCodes.PERIOD:
		case goog.events.KeyCodes.SLASH:
		case goog.events.KeyCodes.APOSTROPHE:
		case goog.events.KeyCodes.SINGLE_QUOTE:
			return !1
	}
	if (goog.userAgent.IE &&
		d && b == a) return !1;
	switch (a) {
		case goog.events.KeyCodes.ENTER:
			return !0;
		case goog.events.KeyCodes.ESC:
			return !(goog.userAgent.WEBKIT || goog.userAgent.EDGE)
	}
	return goog.events.KeyCodes.isCharacterKey(a)
};
goog.events.KeyCodes.isCharacterKey = function (a) {
	if (a >= goog.events.KeyCodes.ZERO && a <= goog.events.KeyCodes.NINE || a >= goog.events.KeyCodes.NUM_ZERO && a <= goog.events.KeyCodes.NUM_MULTIPLY || a >= goog.events.KeyCodes.A && a <= goog.events.KeyCodes.Z || (goog.userAgent.WEBKIT || goog.userAgent.EDGE) && 0 == a) return !0;
	switch (a) {
		case goog.events.KeyCodes.SPACE:
		case goog.events.KeyCodes.PLUS_SIGN:
		case goog.events.KeyCodes.QUESTION_MARK:
		case goog.events.KeyCodes.AT_SIGN:
		case goog.events.KeyCodes.NUM_PLUS:
		case goog.events.KeyCodes.NUM_MINUS:
		case goog.events.KeyCodes.NUM_PERIOD:
		case goog.events.KeyCodes.NUM_DIVISION:
		case goog.events.KeyCodes.SEMICOLON:
		case goog.events.KeyCodes.FF_SEMICOLON:
		case goog.events.KeyCodes.DASH:
		case goog.events.KeyCodes.EQUALS:
		case goog.events.KeyCodes.FF_EQUALS:
		case goog.events.KeyCodes.COMMA:
		case goog.events.KeyCodes.PERIOD:
		case goog.events.KeyCodes.SLASH:
		case goog.events.KeyCodes.APOSTROPHE:
		case goog.events.KeyCodes.SINGLE_QUOTE:
		case goog.events.KeyCodes.OPEN_SQUARE_BRACKET:
		case goog.events.KeyCodes.BACKSLASH:
		case goog.events.KeyCodes.CLOSE_SQUARE_BRACKET:
			return !0;
		default:
			return !1
	}
};
goog.events.KeyCodes.normalizeKeyCode = function (a) {
	return goog.userAgent.GECKO ? goog.events.KeyCodes.normalizeGeckoKeyCode(a) : goog.userAgent.MAC && goog.userAgent.WEBKIT ? goog.events.KeyCodes.normalizeMacWebKitKeyCode(a) : a
};
goog.events.KeyCodes.normalizeGeckoKeyCode = function (a) {
	switch (a) {
		case goog.events.KeyCodes.FF_EQUALS:
			return goog.events.KeyCodes.EQUALS;
		case goog.events.KeyCodes.FF_SEMICOLON:
			return goog.events.KeyCodes.SEMICOLON;
		case goog.events.KeyCodes.FF_DASH:
			return goog.events.KeyCodes.DASH;
		case goog.events.KeyCodes.MAC_FF_META:
			return goog.events.KeyCodes.META;
		case goog.events.KeyCodes.WIN_KEY_FF_LINUX:
			return goog.events.KeyCodes.WIN_KEY;
		default:
			return a
	}
};
goog.events.KeyCodes.normalizeMacWebKitKeyCode = function (a) {
	switch (a) {
		case goog.events.KeyCodes.MAC_WK_CMD_RIGHT:
			return goog.events.KeyCodes.META;
		default:
			return a
	}
};
goog.events.KeyHandler = function (a, b) {
	goog.events.EventTarget.call(this);
	a && this.attach(a, b)
};
goog.inherits(goog.events.KeyHandler, goog.events.EventTarget);
goog.events.KeyHandler.prototype.element_ = null;
goog.events.KeyHandler.prototype.keyPressKey_ = null;
goog.events.KeyHandler.prototype.keyDownKey_ = null;
goog.events.KeyHandler.prototype.keyUpKey_ = null;
goog.events.KeyHandler.prototype.lastKey_ = -1;
goog.events.KeyHandler.prototype.keyCode_ = -1;
goog.events.KeyHandler.prototype.altKey_ = !1;
goog.events.KeyHandler.EventType = {
	KEY: "key"
};
goog.events.KeyHandler.safariKey_ = {
	3: goog.events.KeyCodes.ENTER,
	12: goog.events.KeyCodes.NUMLOCK,
	63232: goog.events.KeyCodes.UP,
	63233: goog.events.KeyCodes.DOWN,
	63234: goog.events.KeyCodes.LEFT,
	63235: goog.events.KeyCodes.RIGHT,
	63236: goog.events.KeyCodes.F1,
	63237: goog.events.KeyCodes.F2,
	63238: goog.events.KeyCodes.F3,
	63239: goog.events.KeyCodes.F4,
	63240: goog.events.KeyCodes.F5,
	63241: goog.events.KeyCodes.F6,
	63242: goog.events.KeyCodes.F7,
	63243: goog.events.KeyCodes.F8,
	63244: goog.events.KeyCodes.F9,
	63245: goog.events.KeyCodes.F10,
	63246: goog.events.KeyCodes.F11,
	63247: goog.events.KeyCodes.F12,
	63248: goog.events.KeyCodes.PRINT_SCREEN,
	63272: goog.events.KeyCodes.DELETE,
	63273: goog.events.KeyCodes.HOME,
	63275: goog.events.KeyCodes.END,
	63276: goog.events.KeyCodes.PAGE_UP,
	63277: goog.events.KeyCodes.PAGE_DOWN,
	63289: goog.events.KeyCodes.NUMLOCK,
	63302: goog.events.KeyCodes.INSERT
};
goog.events.KeyHandler.keyIdentifier_ = {
	Up: goog.events.KeyCodes.UP,
	Down: goog.events.KeyCodes.DOWN,
	Left: goog.events.KeyCodes.LEFT,
	Right: goog.events.KeyCodes.RIGHT,
	Enter: goog.events.KeyCodes.ENTER,
	F1: goog.events.KeyCodes.F1,
	F2: goog.events.KeyCodes.F2,
	F3: goog.events.KeyCodes.F3,
	F4: goog.events.KeyCodes.F4,
	F5: goog.events.KeyCodes.F5,
	F6: goog.events.KeyCodes.F6,
	F7: goog.events.KeyCodes.F7,
	F8: goog.events.KeyCodes.F8,
	F9: goog.events.KeyCodes.F9,
	F10: goog.events.KeyCodes.F10,
	F11: goog.events.KeyCodes.F11,
	F12: goog.events.KeyCodes.F12,
	"U+007F": goog.events.KeyCodes.DELETE,
	Home: goog.events.KeyCodes.HOME,
	End: goog.events.KeyCodes.END,
	PageUp: goog.events.KeyCodes.PAGE_UP,
	PageDown: goog.events.KeyCodes.PAGE_DOWN,
	Insert: goog.events.KeyCodes.INSERT
};
goog.events.KeyHandler.USES_KEYDOWN_ = goog.userAgent.IE || goog.userAgent.EDGE || goog.userAgent.WEBKIT && goog.userAgent.isVersionOrHigher("525");
goog.events.KeyHandler.SAVE_ALT_FOR_KEYPRESS_ = goog.userAgent.MAC && goog.userAgent.GECKO;
goog.events.KeyHandler.prototype.handleKeyDown_ = function (a) {
	(goog.userAgent.WEBKIT || goog.userAgent.EDGE) && (this.lastKey_ == goog.events.KeyCodes.CTRL && !a.ctrlKey || this.lastKey_ == goog.events.KeyCodes.ALT && !a.altKey || goog.userAgent.MAC && this.lastKey_ == goog.events.KeyCodes.META && !a.metaKey) && this.resetState(); -1 == this.lastKey_ && (a.ctrlKey && a.keyCode != goog.events.KeyCodes.CTRL ? this.lastKey_ = goog.events.KeyCodes.CTRL : a.altKey && a.keyCode != goog.events.KeyCodes.ALT ? this.lastKey_ = goog.events.KeyCodes.ALT : a.metaKey &&
		a.keyCode != goog.events.KeyCodes.META && (this.lastKey_ = goog.events.KeyCodes.META));
	goog.events.KeyHandler.USES_KEYDOWN_ && !goog.events.KeyCodes.firesKeyPressEvent(a.keyCode, this.lastKey_, a.shiftKey, a.ctrlKey, a.altKey, a.metaKey) ? this.handleEvent(a) : (this.keyCode_ = goog.events.KeyCodes.normalizeKeyCode(a.keyCode), goog.events.KeyHandler.SAVE_ALT_FOR_KEYPRESS_ && (this.altKey_ = a.altKey))
};
goog.events.KeyHandler.prototype.resetState = function () {
	this.keyCode_ = this.lastKey_ = -1
};
goog.events.KeyHandler.prototype.handleKeyup_ = function (a) {
	this.resetState();
	this.altKey_ = a.altKey
};
goog.events.KeyHandler.prototype.handleEvent = function (a) {
	var b = a.getBrowserEvent(),
		c, d, e = b.altKey;
	goog.userAgent.IE && a.type == goog.events.EventType.KEYPRESS ? (c = this.keyCode_, d = c != goog.events.KeyCodes.ENTER && c != goog.events.KeyCodes.ESC ? b.keyCode : 0) : (goog.userAgent.WEBKIT || goog.userAgent.EDGE) && a.type == goog.events.EventType.KEYPRESS ? (c = this.keyCode_, d = 0 <= b.charCode && 63232 > b.charCode && goog.events.KeyCodes.isCharacterKey(c) ? b.charCode : 0) : goog.userAgent.OPERA && !goog.userAgent.WEBKIT ? (c = this.keyCode_, d =
		goog.events.KeyCodes.isCharacterKey(c) ? b.keyCode : 0) : (c = b.keyCode || this.keyCode_, d = b.charCode || 0, goog.events.KeyHandler.SAVE_ALT_FOR_KEYPRESS_ && (e = this.altKey_), goog.userAgent.MAC && d == goog.events.KeyCodes.QUESTION_MARK && c == goog.events.KeyCodes.WIN_KEY && (c = goog.events.KeyCodes.SLASH));
	var f = c = goog.events.KeyCodes.normalizeKeyCode(c);
	c ? 63232 <= c && c in goog.events.KeyHandler.safariKey_ ? f = goog.events.KeyHandler.safariKey_[c] : 25 == c && a.shiftKey && (f = 9) : b.keyIdentifier && b.keyIdentifier in goog.events.KeyHandler.keyIdentifier_ &&
		(f = goog.events.KeyHandler.keyIdentifier_[b.keyIdentifier]);
	a = f == this.lastKey_;
	this.lastKey_ = f;
	b = new goog.events.KeyEvent(f, d, a, b);
	b.altKey = e;
	this.dispatchEvent(b)
};
goog.events.KeyHandler.prototype.getElement = function () {
	return this.element_
};
goog.events.KeyHandler.prototype.attach = function (a, b) {
	this.keyUpKey_ && this.detach();
	this.element_ = a;
	this.keyPressKey_ = goog.events.listen(this.element_, goog.events.EventType.KEYPRESS, this, b);
	this.keyDownKey_ = goog.events.listen(this.element_, goog.events.EventType.KEYDOWN, this.handleKeyDown_, b, this);
	this.keyUpKey_ = goog.events.listen(this.element_, goog.events.EventType.KEYUP, this.handleKeyup_, b, this)
};
goog.events.KeyHandler.prototype.detach = function () {
	this.keyPressKey_ && (goog.events.unlistenByKey(this.keyPressKey_), goog.events.unlistenByKey(this.keyDownKey_), goog.events.unlistenByKey(this.keyUpKey_), this.keyUpKey_ = this.keyDownKey_ = this.keyPressKey_ = null);
	this.element_ = null;
	this.keyCode_ = this.lastKey_ = -1
};
goog.events.KeyHandler.prototype.disposeInternal = function () {
	goog.events.KeyHandler.superClass_.disposeInternal.call(this);
	this.detach()
};
goog.events.KeyEvent = function (a, b, c, d) {
	goog.events.BrowserEvent.call(this, d);
	this.type = goog.events.KeyHandler.EventType.KEY;
	this.keyCode = a;
	this.charCode = b;
	this.repeat = c
};
goog.inherits(goog.events.KeyEvent, goog.events.BrowserEvent);
goog.dom.classlist = {};
goog.dom.classlist.ALWAYS_USE_DOM_TOKEN_LIST = !1;
goog.dom.classlist.get = function (a) {
	if (goog.dom.classlist.ALWAYS_USE_DOM_TOKEN_LIST || a.classList) return a.classList;
	a = a.className;
	return goog.isString(a) && a.match(/\S+/g) || []
};
goog.dom.classlist.set = function (a, b) {
	a.className = b
};
goog.dom.classlist.contains = function (a, b) {
	return goog.dom.classlist.ALWAYS_USE_DOM_TOKEN_LIST || a.classList ? a.classList.contains(b) : goog.array.contains(goog.dom.classlist.get(a), b)
};
goog.dom.classlist.add = function (a, b) {
	goog.dom.classlist.ALWAYS_USE_DOM_TOKEN_LIST || a.classList ? a.classList.add(b) : goog.dom.classlist.contains(a, b) || (a.className += 0 < a.className.length ? " " + b : b)
};
goog.dom.classlist.addAll = function (a, b) {
	if (goog.dom.classlist.ALWAYS_USE_DOM_TOKEN_LIST || a.classList) goog.array.forEach(b, function (b) {
		goog.dom.classlist.add(a, b)
	});
	else {
		var c = {};
		goog.array.forEach(goog.dom.classlist.get(a), function (a) {
			c[a] = !0
		});
		goog.array.forEach(b, function (a) {
			c[a] = !0
		});
		a.className = "";
		for (var d in c) a.className += 0 < a.className.length ? " " + d : d
	}
};
goog.dom.classlist.remove = function (a, b) {
	goog.dom.classlist.ALWAYS_USE_DOM_TOKEN_LIST || a.classList ? a.classList.remove(b) : goog.dom.classlist.contains(a, b) && (a.className = goog.array.filter(goog.dom.classlist.get(a), function (a) {
		return a != b
	}).join(" "))
};
goog.dom.classlist.removeAll = function (a, b) {
	goog.dom.classlist.ALWAYS_USE_DOM_TOKEN_LIST || a.classList ? goog.array.forEach(b, function (b) {
		goog.dom.classlist.remove(a, b)
	}) : a.className = goog.array.filter(goog.dom.classlist.get(a), function (a) {
		return !goog.array.contains(b, a)
	}).join(" ")
};
goog.dom.classlist.enable = function (a, b, c) {
	c ? goog.dom.classlist.add(a, b) : goog.dom.classlist.remove(a, b)
};
goog.dom.classlist.enableAll = function (a, b, c) {
	(c ? goog.dom.classlist.addAll : goog.dom.classlist.removeAll)(a, b)
};
goog.dom.classlist.swap = function (a, b, c) {
	return goog.dom.classlist.contains(a, b) ? (goog.dom.classlist.remove(a, b), goog.dom.classlist.add(a, c), !0) : !1
};
goog.dom.classlist.toggle = function (a, b) {
	var c = !goog.dom.classlist.contains(a, b);
	goog.dom.classlist.enable(a, b, c);
	return c
};
goog.dom.classlist.addRemove = function (a, b, c) {
	goog.dom.classlist.remove(a, b);
	goog.dom.classlist.add(a, c)
};
goog.ui.registry = {};
goog.ui.registry.getDefaultRenderer = function (a) {
	for (var b; a;) {
		b = goog.getUid(a);
		if (b = goog.ui.registry.defaultRenderers_[b]) break;
		a = a.superClass_ ? a.superClass_.constructor : null
	}
	return b ? goog.isFunction(b.getInstance) ? b.getInstance() : new b : null
};
goog.ui.registry.setDefaultRenderer = function (a, b) {
	if (!goog.isFunction(a)) throw Error("Invalid component class " + a);
	if (!goog.isFunction(b)) throw Error("Invalid renderer class " + b);
	var c = goog.getUid(a);
	goog.ui.registry.defaultRenderers_[c] = b
};
goog.ui.registry.getDecoratorByClassName = function (a) {
	return a in goog.ui.registry.decoratorFunctions_ ? goog.ui.registry.decoratorFunctions_[a]() : null
};
goog.ui.registry.setDecoratorByClassName = function (a, b) {
	if (!a) throw Error("Invalid class name " + a);
	if (!goog.isFunction(b)) throw Error("Invalid decorator function " + b);
	goog.ui.registry.decoratorFunctions_[a] = b
};
goog.ui.registry.getDecorator = function (a) {
	goog.asserts.assert(a);
	for (var b = goog.dom.classlist.get(a), c = 0, d = b.length; c < d; c++)
		if (a = goog.ui.registry.getDecoratorByClassName(b[c])) return a;
	return null
};
goog.ui.registry.reset = function () {
	goog.ui.registry.defaultRenderers_ = {};
	goog.ui.registry.decoratorFunctions_ = {}
};
goog.ui.registry.defaultRenderers_ = {};
goog.ui.registry.decoratorFunctions_ = {};
goog.ui.ContainerRenderer = function (a) {
	this.ariaRole_ = a
};
goog.addSingletonGetter(goog.ui.ContainerRenderer);
goog.ui.ContainerRenderer.getCustomRenderer = function (a, b) {
	var c = new a;
	c.getCssClass = function () {
		return b
	};
	return c
};
goog.ui.ContainerRenderer.CSS_CLASS = "goog-container";
goog.ui.ContainerRenderer.prototype.getAriaRole = function () {
	return this.ariaRole_
};
goog.ui.ContainerRenderer.prototype.enableTabIndex = function (a, b) {
	a && (a.tabIndex = b ? 0 : -1)
};
goog.ui.ContainerRenderer.prototype.createDom = function (a) {
	return a.getDomHelper().createDom("DIV", this.getClassNames(a).join(" "))
};
goog.ui.ContainerRenderer.prototype.getContentElement = function (a) {
	return a
};
goog.ui.ContainerRenderer.prototype.canDecorate = function (a) {
	return "DIV" == a.tagName
};
goog.ui.ContainerRenderer.prototype.decorate = function (a, b) {
	b.id && a.setId(b.id);
	var c = this.getCssClass(),
		d = !1,
		e = goog.dom.classlist.get(b);
	e && goog.array.forEach(e, function (b) {
		b == c ? d = !0 : b && this.setStateFromClassName(a, b, c)
	}, this);
	d || goog.dom.classlist.add(b, c);
	this.decorateChildren(a, this.getContentElement(b));
	return b
};
goog.ui.ContainerRenderer.prototype.setStateFromClassName = function (a, b, c) {
	b == c + "-disabled" ? a.setEnabled(!1) : b == c + "-horizontal" ? a.setOrientation(goog.ui.Container.Orientation.HORIZONTAL) : b == c + "-vertical" && a.setOrientation(goog.ui.Container.Orientation.VERTICAL)
};
goog.ui.ContainerRenderer.prototype.decorateChildren = function (a, b, c) {
	if (b) {
		c = c || b.firstChild;
		for (var d; c && c.parentNode == b;) {
			d = c.nextSibling;
			if (c.nodeType == goog.dom.NodeType.ELEMENT) {
				var e = this.getDecoratorForChild(c);
				e && (e.setElementInternal(c), a.isEnabled() || e.setEnabled(!1), a.addChild(e), e.decorate(c))
			} else c.nodeValue && "" != goog.string.trim(c.nodeValue) || b.removeChild(c);
			c = d
		}
	}
};
goog.ui.ContainerRenderer.prototype.getDecoratorForChild = function (a) {
	return goog.ui.registry.getDecorator(a)
};
goog.ui.ContainerRenderer.prototype.initializeDom = function (a) {
	a = a.getElement();
	goog.asserts.assert(a, "The container DOM element cannot be null.");
	goog.style.setUnselectable(a, !0, goog.userAgent.GECKO);
	goog.userAgent.IE && (a.hideFocus = !0);
	var b = this.getAriaRole();
	b && goog.a11y.aria.setRole(a, b)
};
goog.ui.ContainerRenderer.prototype.getKeyEventTarget = function (a) {
	return a.getElement()
};
goog.ui.ContainerRenderer.prototype.getCssClass = function () {
	return goog.ui.ContainerRenderer.CSS_CLASS
};
goog.ui.ContainerRenderer.prototype.getClassNames = function (a) {
	var b = this.getCssClass(),
		c = a.getOrientation() == goog.ui.Container.Orientation.HORIZONTAL,
		c = [b, c ? b + "-horizontal" : b + "-vertical"];
	a.isEnabled() || c.push(b + "-disabled");
	return c
};
goog.ui.ContainerRenderer.prototype.getDefaultOrientation = function () {
	return goog.ui.Container.Orientation.VERTICAL
};
goog.ui.ControlRenderer = function () { };
goog.addSingletonGetter(goog.ui.ControlRenderer);
goog.tagUnsealableClass(goog.ui.ControlRenderer);
goog.ui.ControlRenderer.getCustomRenderer = function (a, b) {
	var c = new a;
	c.getCssClass = function () {
		return b
	};
	return c
};
goog.ui.ControlRenderer.CSS_CLASS = "goog-control";
goog.ui.ControlRenderer.IE6_CLASS_COMBINATIONS = [];
goog.ui.ControlRenderer.TOGGLE_ARIA_STATE_MAP_ = goog.object.create(goog.a11y.aria.Role.BUTTON, goog.a11y.aria.State.PRESSED, goog.a11y.aria.Role.CHECKBOX, goog.a11y.aria.State.CHECKED, goog.a11y.aria.Role.MENU_ITEM, goog.a11y.aria.State.SELECTED, goog.a11y.aria.Role.MENU_ITEM_CHECKBOX, goog.a11y.aria.State.CHECKED, goog.a11y.aria.Role.MENU_ITEM_RADIO, goog.a11y.aria.State.CHECKED, goog.a11y.aria.Role.RADIO, goog.a11y.aria.State.CHECKED, goog.a11y.aria.Role.TAB, goog.a11y.aria.State.SELECTED, goog.a11y.aria.Role.TREEITEM,
	goog.a11y.aria.State.SELECTED);
goog.ui.ControlRenderer.prototype.getAriaRole = function () { };
goog.ui.ControlRenderer.prototype.createDom = function (a) {
	return a.getDomHelper().createDom("DIV", this.getClassNames(a).join(" "), a.getContent())
};
goog.ui.ControlRenderer.prototype.getContentElement = function (a) {
	return a
};
goog.ui.ControlRenderer.prototype.enableClassName = function (a, b, c) {
	if (a = a.getElement ? a.getElement() : a) {
		var d = [b];
		goog.userAgent.IE && !goog.userAgent.isVersionOrHigher("7") && (d = this.getAppliedCombinedClassNames_(goog.dom.classlist.get(a), b), d.push(b));
		goog.dom.classlist.enableAll(a, d, c)
	}
};
goog.ui.ControlRenderer.prototype.enableExtraClassName = function (a, b, c) {
	this.enableClassName(a, b, c)
};
goog.ui.ControlRenderer.prototype.canDecorate = function (a) {
	return !0
};
goog.ui.ControlRenderer.prototype.decorate = function (a, b) {
	b.id && a.setId(b.id);
	var c = this.getContentElement(b);
	c && c.firstChild ? a.setContentInternal(c.firstChild.nextSibling ? goog.array.clone(c.childNodes) : c.firstChild) : a.setContentInternal(null);
	var d = 0,
		e = this.getCssClass(),
		f = this.getStructuralCssClass(),
		g = !1,
		h = !1,
		k = !1,
		m = goog.array.toArray(goog.dom.classlist.get(b));
	goog.array.forEach(m, function (a) {
		g || a != e ? h || a != f ? d |= this.getStateFromClass(a) : h = !0 : (g = !0, f == e && (h = !0));
		this.getStateFromClass(a) == goog.ui.Component.State.DISABLED &&
			(goog.asserts.assertElement(c), goog.dom.isFocusableTabIndex(c) && goog.dom.setFocusableTabIndex(c, !1))
	}, this);
	a.setStateInternal(d);
	g || (m.push(e), f == e && (h = !0));
	h || m.push(f);
	var p = a.getExtraClassNames();
	p && m.push.apply(m, p);
	if (goog.userAgent.IE && !goog.userAgent.isVersionOrHigher("7")) {
		var l = this.getAppliedCombinedClassNames_(m);
		0 < l.length && (m.push.apply(m, l), k = !0)
	}
	g && h && !p && !k || goog.dom.classlist.set(b, m.join(" "));
	return b
};
goog.ui.ControlRenderer.prototype.initializeDom = function (a) {
	a.isRightToLeft() && this.setRightToLeft(a.getElement(), !0);
	a.isEnabled() && this.setFocusable(a, a.isVisible())
};
goog.ui.ControlRenderer.prototype.setAriaRole = function (a, b) {
	var c = b || this.getAriaRole();
	if (c) {
		goog.asserts.assert(a, "The element passed as a first parameter cannot be null.");
		var d = goog.a11y.aria.getRole(a);
		c != d && goog.a11y.aria.setRole(a, c)
	}
};
goog.ui.ControlRenderer.prototype.setAriaStates = function (a, b) {
	goog.asserts.assert(a);
	goog.asserts.assert(b);
	var c = a.getAriaLabel();
	goog.isDefAndNotNull(c) && this.setAriaLabel(b, c);
	a.isVisible() || goog.a11y.aria.setState(b, goog.a11y.aria.State.HIDDEN, !a.isVisible());
	a.isEnabled() || this.updateAriaState(b, goog.ui.Component.State.DISABLED, !a.isEnabled());
	a.isSupportedState(goog.ui.Component.State.SELECTED) && this.updateAriaState(b, goog.ui.Component.State.SELECTED, a.isSelected());
	a.isSupportedState(goog.ui.Component.State.CHECKED) &&
		this.updateAriaState(b, goog.ui.Component.State.CHECKED, a.isChecked());
	a.isSupportedState(goog.ui.Component.State.OPENED) && this.updateAriaState(b, goog.ui.Component.State.OPENED, a.isOpen())
};
goog.ui.ControlRenderer.prototype.setAriaLabel = function (a, b) {
	goog.a11y.aria.setLabel(a, b)
};
goog.ui.ControlRenderer.prototype.setAllowTextSelection = function (a, b) {
	goog.style.setUnselectable(a, !b, !goog.userAgent.IE && !goog.userAgent.OPERA)
};
goog.ui.ControlRenderer.prototype.setRightToLeft = function (a, b) {
	this.enableClassName(a, this.getStructuralCssClass() + "-rtl", b)
};
goog.ui.ControlRenderer.prototype.isFocusable = function (a) {
	var b;
	return a.isSupportedState(goog.ui.Component.State.FOCUSED) && (b = a.getKeyEventTarget()) ? goog.dom.isFocusableTabIndex(b) : !1
};
goog.ui.ControlRenderer.prototype.setFocusable = function (a, b) {
	var c;
	if (a.isSupportedState(goog.ui.Component.State.FOCUSED) && (c = a.getKeyEventTarget())) {
		if (!b && a.isFocused()) {
			try {
				c.blur()
			} catch (d) { }
			a.isFocused() && a.handleBlur(null)
		}
		goog.dom.isFocusableTabIndex(c) != b && goog.dom.setFocusableTabIndex(c, b)
	}
};
goog.ui.ControlRenderer.prototype.setVisible = function (a, b) {
	goog.style.setElementShown(a, b);
	a && goog.a11y.aria.setState(a, goog.a11y.aria.State.HIDDEN, !b)
};
goog.ui.ControlRenderer.prototype.setState = function (a, b, c) {
	var d = a.getElement();
	if (d) {
		var e = this.getClassForState(b);
		e && this.enableClassName(a, e, c);
		this.updateAriaState(d, b, c)
	}
};
goog.ui.ControlRenderer.prototype.updateAriaState = function (a, b, c) {
	goog.ui.ControlRenderer.ariaAttributeMap_ || (goog.ui.ControlRenderer.ariaAttributeMap_ = goog.object.create(goog.ui.Component.State.DISABLED, goog.a11y.aria.State.DISABLED, goog.ui.Component.State.SELECTED, goog.a11y.aria.State.SELECTED, goog.ui.Component.State.CHECKED, goog.a11y.aria.State.CHECKED, goog.ui.Component.State.OPENED, goog.a11y.aria.State.EXPANDED));
	goog.asserts.assert(a, "The element passed as a first parameter cannot be null.");
	(b = goog.ui.ControlRenderer.getAriaStateForAriaRole_(a, goog.ui.ControlRenderer.ariaAttributeMap_[b])) && goog.a11y.aria.setState(a, b, c)
};
goog.ui.ControlRenderer.getAriaStateForAriaRole_ = function (a, b) {
	var c = goog.a11y.aria.getRole(a);
	if (!c) return b;
	c = goog.ui.ControlRenderer.TOGGLE_ARIA_STATE_MAP_[c] || b;
	return goog.ui.ControlRenderer.isAriaState_(b) ? c : b
};
goog.ui.ControlRenderer.isAriaState_ = function (a) {
	return a == goog.a11y.aria.State.CHECKED || a == goog.a11y.aria.State.SELECTED
};
goog.ui.ControlRenderer.prototype.setContent = function (a, b) {
	var c = this.getContentElement(a);
	if (c && (goog.dom.removeChildren(c), b))
		if (goog.isString(b)) goog.dom.setTextContent(c, b);
		else {
			var d = function (a) {
				if (a) {
					var b = goog.dom.getOwnerDocument(c);
					c.appendChild(goog.isString(a) ? b.createTextNode(a) : a)
				}
			};
			goog.isArray(b) ? goog.array.forEach(b, d) : !goog.isArrayLike(b) || "nodeType" in b ? d(b) : goog.array.forEach(goog.array.clone(b), d)
		}
};
goog.ui.ControlRenderer.prototype.getKeyEventTarget = function (a) {
	return a.getElement()
};
goog.ui.ControlRenderer.prototype.getCssClass = function () {
	return goog.ui.ControlRenderer.CSS_CLASS
};
goog.ui.ControlRenderer.prototype.getIe6ClassCombinations = function () {
	return []
};
goog.ui.ControlRenderer.prototype.getStructuralCssClass = function () {
	return this.getCssClass()
};
goog.ui.ControlRenderer.prototype.getClassNames = function (a) {
	var b = this.getCssClass(),
		c = [b],
		d = this.getStructuralCssClass();
	d != b && c.push(d);
	b = this.getClassNamesForState(a.getState());
	c.push.apply(c, b);
	(a = a.getExtraClassNames()) && c.push.apply(c, a);
	goog.userAgent.IE && !goog.userAgent.isVersionOrHigher("7") && c.push.apply(c, this.getAppliedCombinedClassNames_(c));
	return c
};
goog.ui.ControlRenderer.prototype.getAppliedCombinedClassNames_ = function (a, b) {
	var c = [];
	b && (a = goog.array.concat(a, [b]));
	goog.array.forEach(this.getIe6ClassCombinations(), function (d) {
		!goog.array.every(d, goog.partial(goog.array.contains, a)) || b && !goog.array.contains(d, b) || c.push(d.join("_"))
	});
	return c
};
goog.ui.ControlRenderer.prototype.getClassNamesForState = function (a) {
	for (var b = []; a;) {
		var c = a & -a;
		b.push(this.getClassForState(c));
		a &= ~c
	}
	return b
};
goog.ui.ControlRenderer.prototype.getClassForState = function (a) {
	this.classByState_ || this.createClassByStateMap_();
	return this.classByState_[a]
};
goog.ui.ControlRenderer.prototype.getStateFromClass = function (a) {
	this.stateByClass_ || this.createStateByClassMap_();
	a = parseInt(this.stateByClass_[a], 10);
	return isNaN(a) ? 0 : a
};
goog.ui.ControlRenderer.prototype.createClassByStateMap_ = function () {
	var a = this.getStructuralCssClass(),
		b = !goog.string.contains(goog.string.normalizeWhitespace(a), " ");
	goog.asserts.assert(b, "ControlRenderer has an invalid css class: '" + a + "'");
	this.classByState_ = goog.object.create(goog.ui.Component.State.DISABLED, a + "-disabled", goog.ui.Component.State.HOVER, a + "-hover", goog.ui.Component.State.ACTIVE, a + "-active", goog.ui.Component.State.SELECTED, a + "-selected", goog.ui.Component.State.CHECKED, a + "-checked",
		goog.ui.Component.State.FOCUSED, a + "-focused", goog.ui.Component.State.OPENED, a + "-open")
};
goog.ui.ControlRenderer.prototype.createStateByClassMap_ = function () {
	this.classByState_ || this.createClassByStateMap_();
	this.stateByClass_ = goog.object.transpose(this.classByState_)
};
goog.ui.Control = function (a, b, c) {
	goog.ui.Component.call(this, c);
	this.renderer_ = b || goog.ui.registry.getDefaultRenderer(this.constructor);
	this.setContentInternal(goog.isDef(a) ? a : null);
	this.ariaLabel_ = null
};
goog.inherits(goog.ui.Control, goog.ui.Component);
goog.tagUnsealableClass(goog.ui.Control);
goog.ui.Control.registerDecorator = goog.ui.registry.setDecoratorByClassName;
goog.ui.Control.getDecorator = goog.ui.registry.getDecorator;
goog.ui.Control.prototype.content_ = null;
goog.ui.Control.prototype.state_ = 0;
goog.ui.Control.prototype.supportedStates_ = goog.ui.Component.State.DISABLED | goog.ui.Component.State.HOVER | goog.ui.Component.State.ACTIVE | goog.ui.Component.State.FOCUSED;
goog.ui.Control.prototype.autoStates_ = goog.ui.Component.State.ALL;
goog.ui.Control.prototype.statesWithTransitionEvents_ = 0;
goog.ui.Control.prototype.visible_ = !0;
goog.ui.Control.prototype.extraClassNames_ = null;
goog.ui.Control.prototype.handleMouseEvents_ = !0;
goog.ui.Control.prototype.allowTextSelection_ = !1;
goog.ui.Control.prototype.preferredAriaRole_ = null;
goog.ui.Control.prototype.isHandleMouseEvents = function () {
	return this.handleMouseEvents_
};
goog.ui.Control.prototype.setHandleMouseEvents = function (a) {
	this.isInDocument() && a != this.handleMouseEvents_ && this.enableMouseEventHandling_(a);
	this.handleMouseEvents_ = a
};
goog.ui.Control.prototype.getKeyEventTarget = function () {
	return this.renderer_.getKeyEventTarget(this)
};
goog.ui.Control.prototype.getKeyHandler = function () {
	return this.keyHandler_ || (this.keyHandler_ = new goog.events.KeyHandler)
};
goog.ui.Control.prototype.getRenderer = function () {
	return this.renderer_
};
goog.ui.Control.prototype.setRenderer = function (a) {
	if (this.isInDocument()) throw Error(goog.ui.Component.Error.ALREADY_RENDERED);
	this.getElement() && this.setElementInternal(null);
	this.renderer_ = a
};
goog.ui.Control.prototype.getExtraClassNames = function () {
	return this.extraClassNames_
};
goog.ui.Control.prototype.addClassName = function (a) {
	a && (this.extraClassNames_ ? goog.array.contains(this.extraClassNames_, a) || this.extraClassNames_.push(a) : this.extraClassNames_ = [a], this.renderer_.enableExtraClassName(this, a, !0))
};
goog.ui.Control.prototype.removeClassName = function (a) {
	a && this.extraClassNames_ && goog.array.remove(this.extraClassNames_, a) && (0 == this.extraClassNames_.length && (this.extraClassNames_ = null), this.renderer_.enableExtraClassName(this, a, !1))
};
goog.ui.Control.prototype.enableClassName = function (a, b) {
	b ? this.addClassName(a) : this.removeClassName(a)
};
goog.ui.Control.prototype.createDom = function () {
	var a = this.renderer_.createDom(this);
	this.setElementInternal(a);
	this.renderer_.setAriaRole(a, this.getPreferredAriaRole());
	this.isAllowTextSelection() || this.renderer_.setAllowTextSelection(a, !1);
	this.isVisible() || this.renderer_.setVisible(a, !1)
};
goog.ui.Control.prototype.getPreferredAriaRole = function () {
	return this.preferredAriaRole_
};
goog.ui.Control.prototype.setPreferredAriaRole = function (a) {
	this.preferredAriaRole_ = a
};
goog.ui.Control.prototype.getAriaLabel = function () {
	return this.ariaLabel_
};
goog.ui.Control.prototype.setAriaLabel = function (a) {
	this.ariaLabel_ = a;
	var b = this.getElement();
	b && this.renderer_.setAriaLabel(b, a)
};
goog.ui.Control.prototype.getContentElement = function () {
	return this.renderer_.getContentElement(this.getElement())
};
goog.ui.Control.prototype.canDecorate = function (a) {
	return this.renderer_.canDecorate(a)
};
goog.ui.Control.prototype.decorateInternal = function (a) {
	a = this.renderer_.decorate(this, a);
	this.setElementInternal(a);
	this.renderer_.setAriaRole(a, this.getPreferredAriaRole());
	this.isAllowTextSelection() || this.renderer_.setAllowTextSelection(a, !1);
	this.visible_ = "none" != a.style.display
};
goog.ui.Control.prototype.enterDocument = function () {
	goog.ui.Control.superClass_.enterDocument.call(this);
	this.renderer_.setAriaStates(this, this.getElementStrict());
	this.renderer_.initializeDom(this);
	if (this.supportedStates_ & ~goog.ui.Component.State.DISABLED && (this.isHandleMouseEvents() && this.enableMouseEventHandling_(!0), this.isSupportedState(goog.ui.Component.State.FOCUSED))) {
		var a = this.getKeyEventTarget();
		if (a) {
			var b = this.getKeyHandler();
			b.attach(a);
			this.getHandler().listen(b, goog.events.KeyHandler.EventType.KEY,
				this.handleKeyEvent).listen(a, goog.events.EventType.FOCUS, this.handleFocus).listen(a, goog.events.EventType.BLUR, this.handleBlur)
		}
	}
};
goog.ui.Control.prototype.enableMouseEventHandling_ = function (a) {
	var b = this.getHandler(),
		c = this.getElement();
	a ? (b.listen(c, goog.events.EventType.MOUSEOVER, this.handleMouseOver).listen(c, goog.events.EventType.MOUSEDOWN, this.handleMouseDown).listen(c, goog.events.EventType.MOUSEUP, this.handleMouseUp).listen(c, goog.events.EventType.MOUSEOUT, this.handleMouseOut), this.handleContextMenu != goog.nullFunction && b.listen(c, goog.events.EventType.CONTEXTMENU, this.handleContextMenu), goog.userAgent.IE && (goog.userAgent.isVersionOrHigher(9) ||
		b.listen(c, goog.events.EventType.DBLCLICK, this.handleDblClick), this.ieMouseEventSequenceSimulator_ || (this.ieMouseEventSequenceSimulator_ = new goog.ui.Control.IeMouseEventSequenceSimulator_(this), this.registerDisposable(this.ieMouseEventSequenceSimulator_)))) : (b.unlisten(c, goog.events.EventType.MOUSEOVER, this.handleMouseOver).unlisten(c, goog.events.EventType.MOUSEDOWN, this.handleMouseDown).unlisten(c, goog.events.EventType.MOUSEUP, this.handleMouseUp).unlisten(c, goog.events.EventType.MOUSEOUT, this.handleMouseOut),
		this.handleContextMenu != goog.nullFunction && b.unlisten(c, goog.events.EventType.CONTEXTMENU, this.handleContextMenu), goog.userAgent.IE && (goog.userAgent.isVersionOrHigher(9) || b.unlisten(c, goog.events.EventType.DBLCLICK, this.handleDblClick), goog.dispose(this.ieMouseEventSequenceSimulator_), this.ieMouseEventSequenceSimulator_ = null))
};
goog.ui.Control.prototype.exitDocument = function () {
	goog.ui.Control.superClass_.exitDocument.call(this);
	this.keyHandler_ && this.keyHandler_.detach();
	this.isVisible() && this.isEnabled() && this.renderer_.setFocusable(this, !1)
};
goog.ui.Control.prototype.disposeInternal = function () {
	goog.ui.Control.superClass_.disposeInternal.call(this);
	this.keyHandler_ && (this.keyHandler_.dispose(), delete this.keyHandler_);
	delete this.renderer_;
	this.ieMouseEventSequenceSimulator_ = this.extraClassNames_ = this.content_ = null
};
goog.ui.Control.prototype.getContent = function () {
	return this.content_
};
goog.ui.Control.prototype.setContent = function (a) {
	this.renderer_.setContent(this.getElement(), a);
	this.setContentInternal(a)
};
goog.ui.Control.prototype.setContentInternal = function (a) {
	this.content_ = a
};
goog.ui.Control.prototype.getCaption = function () {
	var a = this.getContent();
	if (!a) return "";
	a = goog.isString(a) ? a : goog.isArray(a) ? goog.array.map(a, goog.dom.getRawTextContent).join("") : goog.dom.getTextContent(a);
	return goog.string.collapseBreakingSpaces(a)
};
goog.ui.Control.prototype.setCaption = function (a) {
	this.setContent(a)
};
goog.ui.Control.prototype.setRightToLeft = function (a) {
	goog.ui.Control.superClass_.setRightToLeft.call(this, a);
	var b = this.getElement();
	b && this.renderer_.setRightToLeft(b, a)
};
goog.ui.Control.prototype.isAllowTextSelection = function () {
	return this.allowTextSelection_
};
goog.ui.Control.prototype.setAllowTextSelection = function (a) {
	this.allowTextSelection_ = a;
	var b = this.getElement();
	b && this.renderer_.setAllowTextSelection(b, a)
};
goog.ui.Control.prototype.isVisible = function () {
	return this.visible_
};
goog.ui.Control.prototype.setVisible = function (a, b) {
	if (b || this.visible_ != a && this.dispatchEvent(a ? goog.ui.Component.EventType.SHOW : goog.ui.Component.EventType.HIDE)) {
		var c = this.getElement();
		c && this.renderer_.setVisible(c, a);
		this.isEnabled() && this.renderer_.setFocusable(this, a);
		this.visible_ = a;
		return !0
	}
	return !1
};
goog.ui.Control.prototype.isEnabled = function () {
	return !this.hasState(goog.ui.Component.State.DISABLED)
};
goog.ui.Control.prototype.isParentDisabled_ = function () {
	var a = this.getParent();
	return !!a && "function" == typeof a.isEnabled && !a.isEnabled()
};
goog.ui.Control.prototype.setEnabled = function (a) {
	!this.isParentDisabled_() && this.isTransitionAllowed(goog.ui.Component.State.DISABLED, !a) && (a || (this.setActive(!1), this.setHighlighted(!1)), this.isVisible() && this.renderer_.setFocusable(this, a), this.setState(goog.ui.Component.State.DISABLED, !a, !0))
};
goog.ui.Control.prototype.isHighlighted = function () {
	return this.hasState(goog.ui.Component.State.HOVER)
};
goog.ui.Control.prototype.setHighlighted = function (a) {
	this.isTransitionAllowed(goog.ui.Component.State.HOVER, a) && this.setState(goog.ui.Component.State.HOVER, a)
};
goog.ui.Control.prototype.isActive = function () {
	return this.hasState(goog.ui.Component.State.ACTIVE)
};
goog.ui.Control.prototype.setActive = function (a) {
	this.isTransitionAllowed(goog.ui.Component.State.ACTIVE, a) && this.setState(goog.ui.Component.State.ACTIVE, a)
};
goog.ui.Control.prototype.isSelected = function () {
	return this.hasState(goog.ui.Component.State.SELECTED)
};
goog.ui.Control.prototype.setSelected = function (a) {
	this.isTransitionAllowed(goog.ui.Component.State.SELECTED, a) && this.setState(goog.ui.Component.State.SELECTED, a)
};
goog.ui.Control.prototype.isChecked = function () {
	return this.hasState(goog.ui.Component.State.CHECKED)
};
goog.ui.Control.prototype.setChecked = function (a) {
	this.isTransitionAllowed(goog.ui.Component.State.CHECKED, a) && this.setState(goog.ui.Component.State.CHECKED, a)
};
goog.ui.Control.prototype.isFocused = function () {
	return this.hasState(goog.ui.Component.State.FOCUSED)
};
goog.ui.Control.prototype.setFocused = function (a) {
	this.isTransitionAllowed(goog.ui.Component.State.FOCUSED, a) && this.setState(goog.ui.Component.State.FOCUSED, a)
};
goog.ui.Control.prototype.isOpen = function () {
	return this.hasState(goog.ui.Component.State.OPENED)
};
goog.ui.Control.prototype.setOpen = function (a) {
	this.isTransitionAllowed(goog.ui.Component.State.OPENED, a) && this.setState(goog.ui.Component.State.OPENED, a)
};
goog.ui.Control.prototype.getState = function () {
	return this.state_
};
goog.ui.Control.prototype.hasState = function (a) {
	return !!(this.state_ & a)
};
goog.ui.Control.prototype.setState = function (a, b, c) {
	c || a != goog.ui.Component.State.DISABLED ? this.isSupportedState(a) && b != this.hasState(a) && (this.renderer_.setState(this, a, b), this.state_ = b ? this.state_ | a : this.state_ & ~a) : this.setEnabled(!b)
};
goog.ui.Control.prototype.setStateInternal = function (a) {
	this.state_ = a
};
goog.ui.Control.prototype.isSupportedState = function (a) {
	return !!(this.supportedStates_ & a)
};
goog.ui.Control.prototype.setSupportedState = function (a, b) {
	if (this.isInDocument() && this.hasState(a) && !b) throw Error(goog.ui.Component.Error.ALREADY_RENDERED);
	!b && this.hasState(a) && this.setState(a, !1);
	this.supportedStates_ = b ? this.supportedStates_ | a : this.supportedStates_ & ~a
};
goog.ui.Control.prototype.isAutoState = function (a) {
	return !!(this.autoStates_ & a) && this.isSupportedState(a)
};
goog.ui.Control.prototype.setAutoStates = function (a, b) {
	this.autoStates_ = b ? this.autoStates_ | a : this.autoStates_ & ~a
};
goog.ui.Control.prototype.isDispatchTransitionEvents = function (a) {
	return !!(this.statesWithTransitionEvents_ & a) && this.isSupportedState(a)
};
goog.ui.Control.prototype.setDispatchTransitionEvents = function (a, b) {
	this.statesWithTransitionEvents_ = b ? this.statesWithTransitionEvents_ | a : this.statesWithTransitionEvents_ & ~a
};
goog.ui.Control.prototype.isTransitionAllowed = function (a, b) {
	return this.isSupportedState(a) && this.hasState(a) != b && (!(this.statesWithTransitionEvents_ & a) || this.dispatchEvent(goog.ui.Component.getStateTransitionEvent(a, b))) && !this.isDisposed()
};
goog.ui.Control.prototype.handleMouseOver = function (a) {
	!goog.ui.Control.isMouseEventWithinElement_(a, this.getElement()) && this.dispatchEvent(goog.ui.Component.EventType.ENTER) && this.isEnabled() && this.isAutoState(goog.ui.Component.State.HOVER) && this.setHighlighted(!0)
};
goog.ui.Control.prototype.handleMouseOut = function (a) {
	!goog.ui.Control.isMouseEventWithinElement_(a, this.getElement()) && this.dispatchEvent(goog.ui.Component.EventType.LEAVE) && (this.isAutoState(goog.ui.Component.State.ACTIVE) && this.setActive(!1), this.isAutoState(goog.ui.Component.State.HOVER) && this.setHighlighted(!1))
};
goog.ui.Control.prototype.handleContextMenu = goog.nullFunction;
goog.ui.Control.isMouseEventWithinElement_ = function (a, b) {
	return !!a.relatedTarget && goog.dom.contains(b, a.relatedTarget)
};
goog.ui.Control.prototype.handleMouseDown = function (a) {
	this.isEnabled() && (this.isAutoState(goog.ui.Component.State.HOVER) && this.setHighlighted(!0), a.isMouseActionButton() && (this.isAutoState(goog.ui.Component.State.ACTIVE) && this.setActive(!0), this.renderer_ && this.renderer_.isFocusable(this) && this.getKeyEventTarget().focus()));
	!this.isAllowTextSelection() && a.isMouseActionButton() && a.preventDefault()
};
goog.ui.Control.prototype.handleMouseUp = function (a) {
	this.isEnabled() && (this.isAutoState(goog.ui.Component.State.HOVER) && this.setHighlighted(!0), this.isActive() && this.performActionInternal(a) && this.isAutoState(goog.ui.Component.State.ACTIVE) && this.setActive(!1))
};
goog.ui.Control.prototype.handleDblClick = function (a) {
	this.isEnabled() && this.performActionInternal(a)
};
goog.ui.Control.prototype.performActionInternal = function (a) {
	this.isAutoState(goog.ui.Component.State.CHECKED) && this.setChecked(!this.isChecked());
	this.isAutoState(goog.ui.Component.State.SELECTED) && this.setSelected(!0);
	this.isAutoState(goog.ui.Component.State.OPENED) && this.setOpen(!this.isOpen());
	var b = new goog.events.Event(goog.ui.Component.EventType.ACTION, this);
	a && (b.altKey = a.altKey, b.ctrlKey = a.ctrlKey, b.metaKey = a.metaKey, b.shiftKey = a.shiftKey, b.platformModifierKey = a.platformModifierKey);
	return this.dispatchEvent(b)
};
goog.ui.Control.prototype.handleFocus = function (a) {
	this.isAutoState(goog.ui.Component.State.FOCUSED) && this.setFocused(!0)
};
goog.ui.Control.prototype.handleBlur = function (a) {
	this.isAutoState(goog.ui.Component.State.ACTIVE) && this.setActive(!1);
	this.isAutoState(goog.ui.Component.State.FOCUSED) && this.setFocused(!1)
};
goog.ui.Control.prototype.handleKeyEvent = function (a) {
	return this.isVisible() && this.isEnabled() && this.handleKeyEventInternal(a) ? (a.preventDefault(), a.stopPropagation(), !0) : !1
};
goog.ui.Control.prototype.handleKeyEventInternal = function (a) {
	return a.keyCode == goog.events.KeyCodes.ENTER && this.performActionInternal(a)
};
goog.ui.registry.setDefaultRenderer(goog.ui.Control, goog.ui.ControlRenderer);
goog.ui.registry.setDecoratorByClassName(goog.ui.ControlRenderer.CSS_CLASS, function () {
	return new goog.ui.Control(null)
});
goog.ui.Control.IeMouseEventSequenceSimulator_ = function (a) {
	goog.Disposable.call(this);
	this.control_ = a;
	this.clickExpected_ = !1;
	this.handler_ = new goog.events.EventHandler(this);
	this.registerDisposable(this.handler_);
	a = this.control_.getElementStrict();
	this.handler_.listen(a, goog.events.EventType.MOUSEDOWN, this.handleMouseDown_).listen(a, goog.events.EventType.MOUSEUP, this.handleMouseUp_).listen(a, goog.events.EventType.CLICK, this.handleClick_)
};
goog.inherits(goog.ui.Control.IeMouseEventSequenceSimulator_, goog.Disposable);
goog.ui.Control.IeMouseEventSequenceSimulator_.SYNTHETIC_EVENTS_ = !goog.userAgent.IE || goog.userAgent.isDocumentModeOrHigher(9);
goog.ui.Control.IeMouseEventSequenceSimulator_.prototype.handleMouseDown_ = function () {
	this.clickExpected_ = !1
};
goog.ui.Control.IeMouseEventSequenceSimulator_.prototype.handleMouseUp_ = function () {
	this.clickExpected_ = !0
};
goog.ui.Control.IeMouseEventSequenceSimulator_.makeLeftMouseEvent_ = function (a, b) {
	if (!goog.ui.Control.IeMouseEventSequenceSimulator_.SYNTHETIC_EVENTS_) return a.button = goog.events.BrowserEvent.MouseButton.LEFT, a.type = b, a;
	var c = document.createEvent("MouseEvents");
	c.initMouseEvent(b, a.bubbles, a.cancelable, a.view || null, a.detail, a.screenX, a.screenY, a.clientX, a.clientY, a.ctrlKey, a.altKey, a.shiftKey, a.metaKey, goog.events.BrowserEvent.MouseButton.LEFT, a.relatedTarget || null);
	return c
};
goog.ui.Control.IeMouseEventSequenceSimulator_.prototype.handleClick_ = function (a) {
	if (this.clickExpected_) this.clickExpected_ = !1;
	else {
		var b = a.getBrowserEvent(),
			c = b.button,
			d = b.type,
			e = goog.ui.Control.IeMouseEventSequenceSimulator_.makeLeftMouseEvent_(b, goog.events.EventType.MOUSEDOWN);
		this.control_.handleMouseDown(new goog.events.BrowserEvent(e, a.currentTarget));
		e = goog.ui.Control.IeMouseEventSequenceSimulator_.makeLeftMouseEvent_(b, goog.events.EventType.MOUSEUP);
		this.control_.handleMouseUp(new goog.events.BrowserEvent(e,
			a.currentTarget));
		goog.ui.Control.IeMouseEventSequenceSimulator_.SYNTHETIC_EVENTS_ || (b.button = c, b.type = d)
	}
};
goog.ui.Control.IeMouseEventSequenceSimulator_.prototype.disposeInternal = function () {
	this.control_ = null;
	goog.ui.Control.IeMouseEventSequenceSimulator_.superClass_.disposeInternal.call(this)
};
goog.ui.Container = function (a, b, c) {
	goog.ui.Component.call(this, c);
	this.renderer_ = b || goog.ui.ContainerRenderer.getInstance();
	this.orientation_ = a || this.renderer_.getDefaultOrientation()
};
goog.inherits(goog.ui.Container, goog.ui.Component);
goog.tagUnsealableClass(goog.ui.Container);
goog.ui.Container.EventType = {
	AFTER_SHOW: "aftershow",
	AFTER_HIDE: "afterhide"
};
goog.ui.Container.Orientation = {
	HORIZONTAL: "horizontal",
	VERTICAL: "vertical"
};
goog.ui.Container.prototype.keyEventTarget_ = null;
goog.ui.Container.prototype.keyHandler_ = null;
goog.ui.Container.prototype.renderer_ = null;
goog.ui.Container.prototype.orientation_ = null;
goog.ui.Container.prototype.visible_ = !0;
goog.ui.Container.prototype.enabled_ = !0;
goog.ui.Container.prototype.focusable_ = !0;
goog.ui.Container.prototype.highlightedIndex_ = -1;
goog.ui.Container.prototype.openItem_ = null;
goog.ui.Container.prototype.mouseButtonPressed_ = !1;
goog.ui.Container.prototype.allowFocusableChildren_ = !1;
goog.ui.Container.prototype.openFollowsHighlight_ = !0;
goog.ui.Container.prototype.childElementIdMap_ = null;
goog.ui.Container.prototype.getKeyEventTarget = function () {
	return this.keyEventTarget_ || this.renderer_.getKeyEventTarget(this)
};
goog.ui.Container.prototype.setKeyEventTarget = function (a) {
	if (this.focusable_) {
		var b = this.getKeyEventTarget(),
			c = this.isInDocument();
		this.keyEventTarget_ = a;
		var d = this.getKeyEventTarget();
		c && (this.keyEventTarget_ = b, this.enableFocusHandling_(!1), this.keyEventTarget_ = a, this.getKeyHandler().attach(d), this.enableFocusHandling_(!0))
	} else throw Error("Can't set key event target for container that doesn't support keyboard focus!");
};
goog.ui.Container.prototype.getKeyHandler = function () {
	return this.keyHandler_ || (this.keyHandler_ = new goog.events.KeyHandler(this.getKeyEventTarget()))
};
goog.ui.Container.prototype.getRenderer = function () {
	return this.renderer_
};
goog.ui.Container.prototype.setRenderer = function (a) {
	if (this.getElement()) throw Error(goog.ui.Component.Error.ALREADY_RENDERED);
	this.renderer_ = a
};
goog.ui.Container.prototype.createDom = function () {
	this.setElementInternal(this.renderer_.createDom(this))
};
goog.ui.Container.prototype.getContentElement = function () {
	return this.renderer_.getContentElement(this.getElement())
};
goog.ui.Container.prototype.canDecorate = function (a) {
	return this.renderer_.canDecorate(a)
};
goog.ui.Container.prototype.decorateInternal = function (a) {
	this.setElementInternal(this.renderer_.decorate(this, a));
	"none" == a.style.display && (this.visible_ = !1)
};
goog.ui.Container.prototype.enterDocument = function () {
	goog.ui.Container.superClass_.enterDocument.call(this);
	this.forEachChild(function (a) {
		a.isInDocument() && this.registerChildId_(a)
	}, this);
	var a = this.getElement();
	this.renderer_.initializeDom(this);
	this.setVisible(this.visible_, !0);
	this.getHandler().listen(this, goog.ui.Component.EventType.ENTER, this.handleEnterItem).listen(this, goog.ui.Component.EventType.HIGHLIGHT, this.handleHighlightItem).listen(this, goog.ui.Component.EventType.UNHIGHLIGHT, this.handleUnHighlightItem).listen(this,
		goog.ui.Component.EventType.OPEN, this.handleOpenItem).listen(this, goog.ui.Component.EventType.CLOSE, this.handleCloseItem).listen(a, goog.events.EventType.MOUSEDOWN, this.handleMouseDown).listen(goog.dom.getOwnerDocument(a), goog.events.EventType.MOUSEUP, this.handleDocumentMouseUp).listen(a, [goog.events.EventType.MOUSEDOWN, goog.events.EventType.MOUSEUP, goog.events.EventType.MOUSEOVER, goog.events.EventType.MOUSEOUT, goog.events.EventType.CONTEXTMENU], this.handleChildMouseEvents);
	this.isFocusable() && this.enableFocusHandling_(!0)
};
goog.ui.Container.prototype.enableFocusHandling_ = function (a) {
	var b = this.getHandler(),
		c = this.getKeyEventTarget();
	a ? b.listen(c, goog.events.EventType.FOCUS, this.handleFocus).listen(c, goog.events.EventType.BLUR, this.handleBlur).listen(this.getKeyHandler(), goog.events.KeyHandler.EventType.KEY, this.handleKeyEvent) : b.unlisten(c, goog.events.EventType.FOCUS, this.handleFocus).unlisten(c, goog.events.EventType.BLUR, this.handleBlur).unlisten(this.getKeyHandler(), goog.events.KeyHandler.EventType.KEY, this.handleKeyEvent)
};
goog.ui.Container.prototype.exitDocument = function () {
	this.setHighlightedIndex(-1);
	this.openItem_ && this.openItem_.setOpen(!1);
	this.mouseButtonPressed_ = !1;
	goog.ui.Container.superClass_.exitDocument.call(this)
};
goog.ui.Container.prototype.disposeInternal = function () {
	goog.ui.Container.superClass_.disposeInternal.call(this);
	this.keyHandler_ && (this.keyHandler_.dispose(), this.keyHandler_ = null);
	this.renderer_ = this.openItem_ = this.childElementIdMap_ = this.keyEventTarget_ = null
};
goog.ui.Container.prototype.handleEnterItem = function (a) {
	return !0
};
goog.ui.Container.prototype.handleHighlightItem = function (a) {
	var b = this.indexOfChild(a.target);
	if (-1 < b && b != this.highlightedIndex_) {
		var c = this.getHighlighted();
		c && c.setHighlighted(!1);
		this.highlightedIndex_ = b;
		c = this.getHighlighted();
		this.isMouseButtonPressed() && c.setActive(!0);
		this.openFollowsHighlight_ && this.openItem_ && c != this.openItem_ && (c.isSupportedState(goog.ui.Component.State.OPENED) ? c.setOpen(!0) : this.openItem_.setOpen(!1))
	}
	b = this.getElement();
	goog.asserts.assert(b, "The DOM element for the container cannot be null.");
	null != a.target.getElement() && goog.a11y.aria.setState(b, goog.a11y.aria.State.ACTIVEDESCENDANT, a.target.getElement().id)
};
goog.ui.Container.prototype.handleUnHighlightItem = function (a) {
	a.target == this.getHighlighted() && (this.highlightedIndex_ = -1);
	a = this.getElement();
	goog.asserts.assert(a, "The DOM element for the container cannot be null.");
	goog.a11y.aria.removeState(a, goog.a11y.aria.State.ACTIVEDESCENDANT)
};
goog.ui.Container.prototype.handleOpenItem = function (a) {
	(a = a.target) && a != this.openItem_ && a.getParent() == this && (this.openItem_ && this.openItem_.setOpen(!1), this.openItem_ = a)
};
goog.ui.Container.prototype.handleCloseItem = function (a) {
	a.target == this.openItem_ && (this.openItem_ = null);
	var b = this.getElement(),
		c = a.target.getElement();
	b && a.target.isHighlighted() && c && goog.a11y.aria.setActiveDescendant(b, c)
};
goog.ui.Container.prototype.handleMouseDown = function (a) {
	this.enabled_ && this.setMouseButtonPressed(!0);
	var b = this.getKeyEventTarget();
	b && goog.dom.isFocusableTabIndex(b) ? b.focus() : a.preventDefault()
};
goog.ui.Container.prototype.handleDocumentMouseUp = function (a) {
	this.setMouseButtonPressed(!1)
};
goog.ui.Container.prototype.handleChildMouseEvents = function (a) {
	var b = this.getOwnerControl(a.target);
	if (b) switch (a.type) {
		case goog.events.EventType.MOUSEDOWN:
			b.handleMouseDown(a);
			break;
		case goog.events.EventType.MOUSEUP:
			b.handleMouseUp(a);
			break;
		case goog.events.EventType.MOUSEOVER:
			b.handleMouseOver(a);
			break;
		case goog.events.EventType.MOUSEOUT:
			b.handleMouseOut(a);
			break;
		case goog.events.EventType.CONTEXTMENU:
			b.handleContextMenu(a)
	}
};
goog.ui.Container.prototype.getOwnerControl = function (a) {
	if (this.childElementIdMap_)
		for (var b = this.getElement() ; a && a !== b;) {
			var c = a.id;
			if (c in this.childElementIdMap_) return this.childElementIdMap_[c];
			a = a.parentNode
		}
	return null
};
goog.ui.Container.prototype.handleFocus = function (a) { };
goog.ui.Container.prototype.handleBlur = function (a) {
	this.setHighlightedIndex(-1);
	this.setMouseButtonPressed(!1);
	this.openItem_ && this.openItem_.setOpen(!1)
};
goog.ui.Container.prototype.handleKeyEvent = function (a) {
	return this.isEnabled() && this.isVisible() && (0 != this.getChildCount() || this.keyEventTarget_) && this.handleKeyEventInternal(a) ? (a.preventDefault(), a.stopPropagation(), !0) : !1
};
goog.ui.Container.prototype.handleKeyEventInternal = function (a) {
	var b = this.getHighlighted();
	if (b && "function" == typeof b.handleKeyEvent && b.handleKeyEvent(a) || this.openItem_ && this.openItem_ != b && "function" == typeof this.openItem_.handleKeyEvent && this.openItem_.handleKeyEvent(a)) return !0;
	if (a.shiftKey || a.ctrlKey || a.metaKey || a.altKey) return !1;
	switch (a.keyCode) {
		case goog.events.KeyCodes.ESC:
			if (this.isFocusable()) this.getKeyEventTarget().blur();
			else return !1;
			break;
		case goog.events.KeyCodes.HOME:
			this.highlightFirst();
			break;
		case goog.events.KeyCodes.END:
			this.highlightLast();
			break;
		case goog.events.KeyCodes.UP:
			if (this.orientation_ == goog.ui.Container.Orientation.VERTICAL) this.highlightPrevious();
			else return !1;
			break;
		case goog.events.KeyCodes.LEFT:
			if (this.orientation_ == goog.ui.Container.Orientation.HORIZONTAL) this.isRightToLeft() ? this.highlightNext() : this.highlightPrevious();
			else return !1;
			break;
		case goog.events.KeyCodes.DOWN:
			if (this.orientation_ == goog.ui.Container.Orientation.VERTICAL) this.highlightNext();
			else return !1;
			break;
		case goog.events.KeyCodes.RIGHT:
			if (this.orientation_ == goog.ui.Container.Orientation.HORIZONTAL) this.isRightToLeft() ? this.highlightPrevious() : this.highlightNext();
			else return !1;
			break;
		default:
			return !1
	}
	return !0
};
goog.ui.Container.prototype.registerChildId_ = function (a) {
	var b = a.getElement(),
		b = b.id || (b.id = a.getId());
	this.childElementIdMap_ || (this.childElementIdMap_ = {});
	this.childElementIdMap_[b] = a
};
goog.ui.Container.prototype.addChild = function (a, b) {
	goog.asserts.assertInstanceof(a, goog.ui.Control, "The child of a container must be a control");
	goog.ui.Container.superClass_.addChild.call(this, a, b)
};
goog.ui.Container.prototype.addChildAt = function (a, b, c) {
	goog.asserts.assertInstanceof(a, goog.ui.Control);
	a.setDispatchTransitionEvents(goog.ui.Component.State.HOVER, !0);
	a.setDispatchTransitionEvents(goog.ui.Component.State.OPENED, !0);
	!this.isFocusable() && this.isFocusableChildrenAllowed() || a.setSupportedState(goog.ui.Component.State.FOCUSED, !1);
	a.setHandleMouseEvents(!1);
	var d = a.getParent() == this ? this.indexOfChild(a) : -1;
	goog.ui.Container.superClass_.addChildAt.call(this, a, b, c);
	a.isInDocument() && this.isInDocument() &&
		this.registerChildId_(a);
	this.updateHighlightedIndex_(d, b)
};
goog.ui.Container.prototype.updateHighlightedIndex_ = function (a, b) {
	-1 == a && (a = this.getChildCount());
	a == this.highlightedIndex_ ? this.highlightedIndex_ = Math.min(this.getChildCount() - 1, b) : a > this.highlightedIndex_ && b <= this.highlightedIndex_ ? this.highlightedIndex_++ : a < this.highlightedIndex_ && b > this.highlightedIndex_ && this.highlightedIndex_--
};
goog.ui.Container.prototype.removeChild = function (a, b) {
	a = goog.isString(a) ? this.getChild(a) : a;
	goog.asserts.assertInstanceof(a, goog.ui.Control);
	if (a) {
		var c = this.indexOfChild(a); -1 != c && (c == this.highlightedIndex_ ? (a.setHighlighted(!1), this.highlightedIndex_ = -1) : c < this.highlightedIndex_ && this.highlightedIndex_--);
		(c = a.getElement()) && c.id && this.childElementIdMap_ && goog.object.remove(this.childElementIdMap_, c.id)
	}
	a = goog.ui.Container.superClass_.removeChild.call(this, a, b);
	a.setHandleMouseEvents(!0);
	return a
};
goog.ui.Container.prototype.getOrientation = function () {
	return this.orientation_
};
goog.ui.Container.prototype.setOrientation = function (a) {
	if (this.getElement()) throw Error(goog.ui.Component.Error.ALREADY_RENDERED);
	this.orientation_ = a
};
goog.ui.Container.prototype.isVisible = function () {
	return this.visible_
};
goog.ui.Container.prototype.setVisible = function (a, b) {
	if (b || this.visible_ != a && this.dispatchEvent(a ? goog.ui.Component.EventType.SHOW : goog.ui.Component.EventType.HIDE)) {
		this.visible_ = a;
		var c = this.getElement();
		c && (goog.style.setElementShown(c, a), this.isFocusable() && this.renderer_.enableTabIndex(this.getKeyEventTarget(), this.enabled_ && this.visible_), b || this.dispatchEvent(this.visible_ ? goog.ui.Container.EventType.AFTER_SHOW : goog.ui.Container.EventType.AFTER_HIDE));
		return !0
	}
	return !1
};
goog.ui.Container.prototype.isEnabled = function () {
	return this.enabled_
};
goog.ui.Container.prototype.setEnabled = function (a) {
	this.enabled_ != a && this.dispatchEvent(a ? goog.ui.Component.EventType.ENABLE : goog.ui.Component.EventType.DISABLE) && (a ? (this.enabled_ = !0, this.forEachChild(function (a) {
		a.wasDisabled ? delete a.wasDisabled : a.setEnabled(!0)
	})) : (this.forEachChild(function (a) {
		a.isEnabled() ? a.setEnabled(!1) : a.wasDisabled = !0
	}), this.enabled_ = !1, this.setMouseButtonPressed(!1)), this.isFocusable() && this.renderer_.enableTabIndex(this.getKeyEventTarget(), a && this.visible_))
};
goog.ui.Container.prototype.isFocusable = function () {
	return this.focusable_
};
goog.ui.Container.prototype.setFocusable = function (a) {
	a != this.focusable_ && this.isInDocument() && this.enableFocusHandling_(a);
	this.focusable_ = a;
	this.enabled_ && this.visible_ && this.renderer_.enableTabIndex(this.getKeyEventTarget(), a)
};
goog.ui.Container.prototype.isFocusableChildrenAllowed = function () {
	return this.allowFocusableChildren_
};
goog.ui.Container.prototype.setFocusableChildrenAllowed = function (a) {
	this.allowFocusableChildren_ = a
};
goog.ui.Container.prototype.isOpenFollowsHighlight = function () {
	return this.openFollowsHighlight_
};
goog.ui.Container.prototype.setOpenFollowsHighlight = function (a) {
	this.openFollowsHighlight_ = a
};
goog.ui.Container.prototype.getHighlightedIndex = function () {
	return this.highlightedIndex_
};
goog.ui.Container.prototype.setHighlightedIndex = function (a) {
	(a = this.getChildAt(a)) ? a.setHighlighted(!0) : -1 < this.highlightedIndex_ && this.getHighlighted().setHighlighted(!1)
};
goog.ui.Container.prototype.setHighlighted = function (a) {
	this.setHighlightedIndex(this.indexOfChild(a))
};
goog.ui.Container.prototype.getHighlighted = function () {
	return this.getChildAt(this.highlightedIndex_)
};
goog.ui.Container.prototype.highlightFirst = function () {
	this.highlightHelper(function (a, b) {
		return (a + 1) % b
	}, this.getChildCount() - 1)
};
goog.ui.Container.prototype.highlightLast = function () {
	this.highlightHelper(function (a, b) {
		a--;
		return 0 > a ? b - 1 : a
	}, 0)
};
goog.ui.Container.prototype.highlightNext = function () {
	this.highlightHelper(function (a, b) {
		return (a + 1) % b
	}, this.highlightedIndex_)
};
goog.ui.Container.prototype.highlightPrevious = function () {
	this.highlightHelper(function (a, b) {
		a--;
		return 0 > a ? b - 1 : a
	}, this.highlightedIndex_)
};
goog.ui.Container.prototype.highlightHelper = function (a, b) {
	for (var c = 0 > b ? this.indexOfChild(this.openItem_) : b, d = this.getChildCount(), c = a.call(this, c, d), e = 0; e <= d;) {
		var f = this.getChildAt(c);
		if (f && this.canHighlightItem(f)) return this.setHighlightedIndexFromKeyEvent(c), !0;
		e++;
		c = a.call(this, c, d)
	}
	return !1
};
goog.ui.Container.prototype.canHighlightItem = function (a) {
	return a.isVisible() && a.isEnabled() && a.isSupportedState(goog.ui.Component.State.HOVER)
};
goog.ui.Container.prototype.setHighlightedIndexFromKeyEvent = function (a) {
	this.setHighlightedIndex(a)
};
goog.ui.Container.prototype.getOpenItem = function () {
	return this.openItem_
};
goog.ui.Container.prototype.isMouseButtonPressed = function () {
	return this.mouseButtonPressed_
};
goog.ui.Container.prototype.setMouseButtonPressed = function (a) {
	this.mouseButtonPressed_ = a
};
goog.ui.MenuHeaderRenderer = function () {
	goog.ui.ControlRenderer.call(this)
};
goog.inherits(goog.ui.MenuHeaderRenderer, goog.ui.ControlRenderer);
goog.addSingletonGetter(goog.ui.MenuHeaderRenderer);
goog.ui.MenuHeaderRenderer.CSS_CLASS = "goog-menuheader";
goog.ui.MenuHeaderRenderer.prototype.getCssClass = function () {
	return goog.ui.MenuHeaderRenderer.CSS_CLASS
};
goog.ui.MenuHeader = function (a, b, c) {
	goog.ui.Control.call(this, a, c || goog.ui.MenuHeaderRenderer.getInstance(), b);
	this.setSupportedState(goog.ui.Component.State.DISABLED, !1);
	this.setSupportedState(goog.ui.Component.State.HOVER, !1);
	this.setSupportedState(goog.ui.Component.State.ACTIVE, !1);
	this.setSupportedState(goog.ui.Component.State.FOCUSED, !1);
	this.setStateInternal(goog.ui.Component.State.DISABLED)
};
goog.inherits(goog.ui.MenuHeader, goog.ui.Control);
goog.ui.registry.setDecoratorByClassName(goog.ui.MenuHeaderRenderer.CSS_CLASS, function () {
	return new goog.ui.MenuHeader(null)
});
goog.ui.MenuItemRenderer = function () {
	goog.ui.ControlRenderer.call(this);
	this.classNameCache_ = []
};
goog.inherits(goog.ui.MenuItemRenderer, goog.ui.ControlRenderer);
goog.addSingletonGetter(goog.ui.MenuItemRenderer);
goog.ui.MenuItemRenderer.CSS_CLASS = "goog-menuitem";
goog.ui.MenuItemRenderer.CompositeCssClassIndex_ = {
	HOVER: 0,
	CHECKBOX: 1,
	CONTENT: 2
};
goog.ui.MenuItemRenderer.prototype.getCompositeCssClass_ = function (a) {
	var b = this.classNameCache_[a];
	if (!b) {
		switch (a) {
			case goog.ui.MenuItemRenderer.CompositeCssClassIndex_.HOVER:
				b = this.getStructuralCssClass() + "-highlight";
				break;
			case goog.ui.MenuItemRenderer.CompositeCssClassIndex_.CHECKBOX:
				b = this.getStructuralCssClass() + "-checkbox";
				break;
			case goog.ui.MenuItemRenderer.CompositeCssClassIndex_.CONTENT:
				b = this.getStructuralCssClass() + "-content"
		}
		this.classNameCache_[a] = b
	}
	return b
};
goog.ui.MenuItemRenderer.prototype.getAriaRole = function () {
	return goog.a11y.aria.Role.MENU_ITEM
};
goog.ui.MenuItemRenderer.prototype.createDom = function (a) {
	var b = a.getDomHelper().createDom("DIV", this.getClassNames(a).join(" "), this.createContent(a.getContent(), a.getDomHelper()));
	this.setEnableCheckBoxStructure(a, b, a.isSupportedState(goog.ui.Component.State.SELECTED) || a.isSupportedState(goog.ui.Component.State.CHECKED));
	return b
};
goog.ui.MenuItemRenderer.prototype.getContentElement = function (a) {
	return a && a.firstChild
};
goog.ui.MenuItemRenderer.prototype.decorate = function (a, b) {
	goog.asserts.assert(b);
	this.hasContentStructure(b) || b.appendChild(this.createContent(b.childNodes, a.getDomHelper()));
	goog.dom.classlist.contains(b, "goog-option") && (a.setCheckable(!0), this.setCheckable(a, b, !0));
	return goog.ui.MenuItemRenderer.superClass_.decorate.call(this, a, b)
};
goog.ui.MenuItemRenderer.prototype.setContent = function (a, b) {
	var c = this.getContentElement(a),
		d = this.hasCheckBoxStructure(a) ? c.firstChild : null;
	goog.ui.MenuItemRenderer.superClass_.setContent.call(this, a, b);
	d && !this.hasCheckBoxStructure(a) && c.insertBefore(d, c.firstChild || null)
};
goog.ui.MenuItemRenderer.prototype.hasContentStructure = function (a) {
	a = goog.dom.getFirstElementChild(a);
	var b = this.getCompositeCssClass_(goog.ui.MenuItemRenderer.CompositeCssClassIndex_.CONTENT);
	return !!a && goog.dom.classlist.contains(a, b)
};
goog.ui.MenuItemRenderer.prototype.createContent = function (a, b) {
	var c = this.getCompositeCssClass_(goog.ui.MenuItemRenderer.CompositeCssClassIndex_.CONTENT);
	return b.createDom("DIV", c, a)
};
goog.ui.MenuItemRenderer.prototype.setSelectable = function (a, b, c) {
	a && b && this.setEnableCheckBoxStructure(a, b, c)
};
goog.ui.MenuItemRenderer.prototype.setCheckable = function (a, b, c) {
	a && b && this.setEnableCheckBoxStructure(a, b, c)
};
goog.ui.MenuItemRenderer.prototype.hasCheckBoxStructure = function (a) {
	if (a = this.getContentElement(a)) {
		a = a.firstChild;
		var b = this.getCompositeCssClass_(goog.ui.MenuItemRenderer.CompositeCssClassIndex_.CHECKBOX);
		return !!a && goog.dom.isElement(a) && goog.dom.classlist.contains(a, b)
	}
	return !1
};
goog.ui.MenuItemRenderer.prototype.setEnableCheckBoxStructure = function (a, b, c) {
	this.setAriaRole(b, a.getPreferredAriaRole());
	this.setAriaStates(a, b);
	c != this.hasCheckBoxStructure(b) && (goog.dom.classlist.enable(b, "goog-option", c), b = this.getContentElement(b), c ? (c = this.getCompositeCssClass_(goog.ui.MenuItemRenderer.CompositeCssClassIndex_.CHECKBOX), b.insertBefore(a.getDomHelper().createDom("DIV", c), b.firstChild || null)) : b.removeChild(b.firstChild))
};
goog.ui.MenuItemRenderer.prototype.getClassForState = function (a) {
	switch (a) {
		case goog.ui.Component.State.HOVER:
			return this.getCompositeCssClass_(goog.ui.MenuItemRenderer.CompositeCssClassIndex_.HOVER);
		case goog.ui.Component.State.CHECKED:
		case goog.ui.Component.State.SELECTED:
			return "goog-option-selected";
		default:
			return goog.ui.MenuItemRenderer.superClass_.getClassForState.call(this, a)
	}
};
goog.ui.MenuItemRenderer.prototype.getStateFromClass = function (a) {
	var b = this.getCompositeCssClass_(goog.ui.MenuItemRenderer.CompositeCssClassIndex_.HOVER);
	switch (a) {
		case "goog-option-selected":
			return goog.ui.Component.State.CHECKED;
		case b:
			return goog.ui.Component.State.HOVER;
		default:
			return goog.ui.MenuItemRenderer.superClass_.getStateFromClass.call(this, a)
	}
};
goog.ui.MenuItemRenderer.prototype.getCssClass = function () {
	return goog.ui.MenuItemRenderer.CSS_CLASS
};
goog.ui.MenuItem = function (a, b, c, d) {
	goog.ui.Control.call(this, a, d || goog.ui.MenuItemRenderer.getInstance(), c);
	this.setValue(b)
};
goog.inherits(goog.ui.MenuItem, goog.ui.Control);
goog.tagUnsealableClass(goog.ui.MenuItem);
goog.ui.MenuItem.MNEMONIC_WRAPPER_CLASS_ = "goog-menuitem-mnemonic-separator";
goog.ui.MenuItem.ACCELERATOR_CLASS = "goog-menuitem-accel";
goog.ui.MenuItem.prototype.getValue = function () {
	var a = this.getModel();
	return null != a ? a : this.getCaption()
};
goog.ui.MenuItem.prototype.setValue = function (a) {
	this.setModel(a)
};
goog.ui.MenuItem.prototype.setSupportedState = function (a, b) {
	goog.ui.MenuItem.superClass_.setSupportedState.call(this, a, b);
	switch (a) {
		case goog.ui.Component.State.SELECTED:
			this.setSelectableInternal_(b);
			break;
		case goog.ui.Component.State.CHECKED:
			this.setCheckableInternal_(b)
	}
};
goog.ui.MenuItem.prototype.setSelectable = function (a) {
	this.setSupportedState(goog.ui.Component.State.SELECTED, a)
};
goog.ui.MenuItem.prototype.setSelectableInternal_ = function (a) {
	this.isChecked() && !a && this.setChecked(!1);
	var b = this.getElement();
	b && this.getRenderer().setSelectable(this, b, a)
};
goog.ui.MenuItem.prototype.setCheckable = function (a) {
	this.setSupportedState(goog.ui.Component.State.CHECKED, a)
};
goog.ui.MenuItem.prototype.setCheckableInternal_ = function (a) {
	var b = this.getElement();
	b && this.getRenderer().setCheckable(this, b, a)
};
goog.ui.MenuItem.prototype.getCaption = function () {
	var a = this.getContent();
	if (goog.isArray(a)) {
		var b = goog.ui.MenuItem.ACCELERATOR_CLASS,
			c = goog.ui.MenuItem.MNEMONIC_WRAPPER_CLASS_,
			a = goog.array.map(a, function (a) {
            	return goog.dom.isElement(a) && (goog.dom.classlist.contains(a, b) || goog.dom.classlist.contains(a, c)) ? "" : goog.dom.getRawTextContent(a)
			}).join("");
		return goog.string.collapseBreakingSpaces(a)
	}
	return goog.ui.MenuItem.superClass_.getCaption.call(this)
};
goog.ui.MenuItem.prototype.getAccelerator = function () {
	var a = this.getDomHelper(),
		b = this.getContent();
	return goog.isArray(b) && (b = goog.array.find(b, function (a) {
		return goog.dom.classlist.contains(a, goog.ui.MenuItem.ACCELERATOR_CLASS)
	})) ? a.getTextContent(b) : null
};
goog.ui.MenuItem.prototype.handleMouseUp = function (a) {
	var b = this.getParent();
	if (b) {
		var c = b.openingCoords;
		b.openingCoords = null;
		if (c && goog.isNumber(a.clientX) && (b = new goog.math.Coordinate(a.clientX, a.clientY), goog.math.Coordinate.equals(c, b))) return
	}
	goog.ui.MenuItem.superClass_.handleMouseUp.call(this, a)
};
goog.ui.MenuItem.prototype.handleKeyEventInternal = function (a) {
	return a.keyCode == this.getMnemonic() && this.performActionInternal(a) ? !0 : goog.ui.MenuItem.superClass_.handleKeyEventInternal.call(this, a)
};
goog.ui.MenuItem.prototype.setMnemonic = function (a) {
	this.mnemonicKey_ = a
};
goog.ui.MenuItem.prototype.getMnemonic = function () {
	return this.mnemonicKey_
};
goog.ui.registry.setDecoratorByClassName(goog.ui.MenuItemRenderer.CSS_CLASS, function () {
	return new goog.ui.MenuItem(null)
});
goog.ui.MenuItem.prototype.getPreferredAriaRole = function () {
	return this.isSupportedState(goog.ui.Component.State.CHECKED) ? goog.a11y.aria.Role.MENU_ITEM_CHECKBOX : this.isSupportedState(goog.ui.Component.State.SELECTED) ? goog.a11y.aria.Role.MENU_ITEM_RADIO : goog.ui.MenuItem.superClass_.getPreferredAriaRole.call(this)
};
goog.ui.MenuItem.prototype.getParent = function () {
	return goog.ui.Control.prototype.getParent.call(this)
};
goog.ui.MenuItem.prototype.getParentEventTarget = function () {
	return goog.ui.Control.prototype.getParentEventTarget.call(this)
};
goog.ui.MenuSeparatorRenderer = function () {
	goog.ui.ControlRenderer.call(this)
};
goog.inherits(goog.ui.MenuSeparatorRenderer, goog.ui.ControlRenderer);
goog.addSingletonGetter(goog.ui.MenuSeparatorRenderer);
goog.ui.MenuSeparatorRenderer.CSS_CLASS = "goog-menuseparator";
goog.ui.MenuSeparatorRenderer.prototype.createDom = function (a) {
	return a.getDomHelper().createDom("DIV", this.getCssClass())
};
goog.ui.MenuSeparatorRenderer.prototype.decorate = function (a, b) {
	b.id && a.setId(b.id);
	if ("HR" == b.tagName) {
		var c = b;
		b = this.createDom(a);
		goog.dom.insertSiblingBefore(b, c);
		goog.dom.removeNode(c)
	} else goog.dom.classlist.add(b, this.getCssClass());
	return b
};
goog.ui.MenuSeparatorRenderer.prototype.setContent = function (a, b) { };
goog.ui.MenuSeparatorRenderer.prototype.getCssClass = function () {
	return goog.ui.MenuSeparatorRenderer.CSS_CLASS
};
goog.ui.Separator = function (a, b) {
	goog.ui.Control.call(this, null, a || goog.ui.MenuSeparatorRenderer.getInstance(), b);
	this.setSupportedState(goog.ui.Component.State.DISABLED, !1);
	this.setSupportedState(goog.ui.Component.State.HOVER, !1);
	this.setSupportedState(goog.ui.Component.State.ACTIVE, !1);
	this.setSupportedState(goog.ui.Component.State.FOCUSED, !1);
	this.setStateInternal(goog.ui.Component.State.DISABLED)
};
goog.inherits(goog.ui.Separator, goog.ui.Control);
goog.ui.Separator.prototype.enterDocument = function () {
	goog.ui.Separator.superClass_.enterDocument.call(this);
	var a = this.getElement();
	goog.asserts.assert(a, "The DOM element for the separator cannot be null.");
	goog.a11y.aria.setRole(a, "separator")
};
goog.ui.registry.setDecoratorByClassName(goog.ui.MenuSeparatorRenderer.CSS_CLASS, function () {
	return new goog.ui.Separator
});
goog.ui.MenuRenderer = function (a) {
	goog.ui.ContainerRenderer.call(this, a || goog.a11y.aria.Role.MENU)
};
goog.inherits(goog.ui.MenuRenderer, goog.ui.ContainerRenderer);
goog.addSingletonGetter(goog.ui.MenuRenderer);
goog.ui.MenuRenderer.CSS_CLASS = "goog-menu";
goog.ui.MenuRenderer.prototype.canDecorate = function (a) {
	return "UL" == a.tagName || goog.ui.MenuRenderer.superClass_.canDecorate.call(this, a)
};
goog.ui.MenuRenderer.prototype.getDecoratorForChild = function (a) {
	return "HR" == a.tagName ? new goog.ui.Separator : goog.ui.MenuRenderer.superClass_.getDecoratorForChild.call(this, a)
};
goog.ui.MenuRenderer.prototype.containsElement = function (a, b) {
	return goog.dom.contains(a.getElement(), b)
};
goog.ui.MenuRenderer.prototype.getCssClass = function () {
	return goog.ui.MenuRenderer.CSS_CLASS
};
goog.ui.MenuRenderer.prototype.initializeDom = function (a) {
	goog.ui.MenuRenderer.superClass_.initializeDom.call(this, a);
	a = a.getElement();
	goog.asserts.assert(a, "The menu DOM element cannot be null.");
	goog.a11y.aria.setState(a, goog.a11y.aria.State.HASPOPUP, "true")
};
goog.ui.MenuSeparator = function (a) {
	goog.ui.Separator.call(this, goog.ui.MenuSeparatorRenderer.getInstance(), a)
};
goog.inherits(goog.ui.MenuSeparator, goog.ui.Separator);
goog.ui.registry.setDecoratorByClassName(goog.ui.MenuSeparatorRenderer.CSS_CLASS, function () {
	return new goog.ui.Separator
});
goog.ui.Menu = function (a, b) {
	goog.ui.Container.call(this, goog.ui.Container.Orientation.VERTICAL, b || goog.ui.MenuRenderer.getInstance(), a);
	this.setFocusable(!1)
};
goog.inherits(goog.ui.Menu, goog.ui.Container);
goog.tagUnsealableClass(goog.ui.Menu);
goog.ui.Menu.EventType = {
	BEFORE_SHOW: goog.ui.Component.EventType.BEFORE_SHOW,
	SHOW: goog.ui.Component.EventType.SHOW,
	BEFORE_HIDE: goog.ui.Component.EventType.HIDE,
	HIDE: goog.ui.Component.EventType.HIDE
};
goog.ui.Menu.CSS_CLASS = goog.ui.MenuRenderer.CSS_CLASS;
goog.ui.Menu.prototype.allowAutoFocus_ = !0;
goog.ui.Menu.prototype.allowHighlightDisabled_ = !1;
goog.ui.Menu.prototype.getCssClass = function () {
	return this.getRenderer().getCssClass()
};
goog.ui.Menu.prototype.containsElement = function (a) {
	if (this.getRenderer().containsElement(this, a)) return !0;
	for (var b = 0, c = this.getChildCount() ; b < c; b++) {
		var d = this.getChildAt(b);
		if ("function" == typeof d.containsElement && d.containsElement(a)) return !0
	}
	return !1
};
goog.ui.Menu.prototype.addItem = function (a) {
	this.addChild(a, !0)
};
goog.ui.Menu.prototype.addItemAt = function (a, b) {
	this.addChildAt(a, b, !0)
};
goog.ui.Menu.prototype.removeItem = function (a) {
	(a = this.removeChild(a, !0)) && a.dispose()
};
goog.ui.Menu.prototype.removeItemAt = function (a) {
	(a = this.removeChildAt(a, !0)) && a.dispose()
};
goog.ui.Menu.prototype.getItemAt = function (a) {
	return this.getChildAt(a)
};
goog.ui.Menu.prototype.getItemCount = function () {
	return this.getChildCount()
};
goog.ui.Menu.prototype.getItems = function () {
	var a = [];
	this.forEachChild(function (b) {
		a.push(b)
	});
	return a
};
goog.ui.Menu.prototype.setPosition = function (a, b) {
	var c = this.isVisible();
	c || goog.style.setElementShown(this.getElement(), !0);
	goog.style.setPageOffset(this.getElement(), a, b);
	c || goog.style.setElementShown(this.getElement(), !1)
};
goog.ui.Menu.prototype.getPosition = function () {
	return this.isVisible() ? goog.style.getPageOffset(this.getElement()) : null
};
goog.ui.Menu.prototype.setAllowAutoFocus = function (a) {
	(this.allowAutoFocus_ = a) && this.setFocusable(!0)
};
goog.ui.Menu.prototype.getAllowAutoFocus = function () {
	return this.allowAutoFocus_
};
goog.ui.Menu.prototype.setAllowHighlightDisabled = function (a) {
	this.allowHighlightDisabled_ = a
};
goog.ui.Menu.prototype.getAllowHighlightDisabled = function () {
	return this.allowHighlightDisabled_
};
goog.ui.Menu.prototype.setVisible = function (a, b, c) {
	(b = goog.ui.Menu.superClass_.setVisible.call(this, a, b)) && a && this.isInDocument() && this.allowAutoFocus_ && this.getKeyEventTarget().focus();
	a && c && goog.isNumber(c.clientX) ? this.openingCoords = new goog.math.Coordinate(c.clientX, c.clientY) : this.openingCoords = null;
	return b
};
goog.ui.Menu.prototype.handleEnterItem = function (a) {
	this.allowAutoFocus_ && this.getKeyEventTarget().focus();
	return goog.ui.Menu.superClass_.handleEnterItem.call(this, a)
};
goog.ui.Menu.prototype.highlightNextPrefix = function (a) {
	var b = new RegExp("^" + goog.string.regExpEscape(a), "i");
	return this.highlightHelper(function (a, d) {
		var c = 0 > a ? 0 : a,
			f = !1;
		do {
			++a;
			a == d && (a = 0, f = !0);
			var g = this.getChildAt(a).getCaption();
			if (g && g.match(b)) return a
		} while (!f || a != c);
		return this.getHighlightedIndex()
	}, this.getHighlightedIndex())
};
goog.ui.Menu.prototype.canHighlightItem = function (a) {
	return (this.allowHighlightDisabled_ || a.isEnabled()) && a.isVisible() && a.isSupportedState(goog.ui.Component.State.HOVER)
};
goog.ui.Menu.prototype.decorateInternal = function (a) {
	this.decorateContent(a);
	goog.ui.Menu.superClass_.decorateInternal.call(this, a)
};
goog.ui.Menu.prototype.handleKeyEventInternal = function (a) {
	var b = goog.ui.Menu.superClass_.handleKeyEventInternal.call(this, a);
	b || this.forEachChild(function (c) {
		!b && c.getMnemonic && c.getMnemonic() == a.keyCode && (this.isEnabled() && this.setHighlighted(c), b = c.handleKeyEvent(a))
	}, this);
	return b
};
goog.ui.Menu.prototype.setHighlightedIndex = function (a) {
	goog.ui.Menu.superClass_.setHighlightedIndex.call(this, a);
	(a = this.getChildAt(a)) && goog.style.scrollIntoContainerView(a.getElement(), this.getElement())
};
goog.ui.Menu.prototype.decorateContent = function (a) {
	var b = this.getRenderer();
	a = this.getDomHelper().getElementsByTagNameAndClass("DIV", b.getCssClass() + "-content", a);
	for (var c = a.length, d = 0; d < c; d++) b.decorateChildren(this, a[d])
};
goog.color = {};
goog.color.names = {
	aliceblue: "#f0f8ff",
	antiquewhite: "#faebd7",
	aqua: "#00ffff",
	aquamarine: "#7fffd4",
	azure: "#f0ffff",
	beige: "#f5f5dc",
	bisque: "#ffe4c4",
	black: "#000000",
	blanchedalmond: "#ffebcd",
	blue: "#0000ff",
	blueviolet: "#8a2be2",
	brown: "#a52a2a",
	burlywood: "#deb887",
	cadetblue: "#5f9ea0",
	chartreuse: "#7fff00",
	chocolate: "#d2691e",
	coral: "#ff7f50",
	cornflowerblue: "#6495ed",
	cornsilk: "#fff8dc",
	crimson: "#dc143c",
	cyan: "#00ffff",
	darkblue: "#00008b",
	darkcyan: "#008b8b",
	darkgoldenrod: "#b8860b",
	darkgray: "#a9a9a9",
	darkgreen: "#006400",
	darkgrey: "#a9a9a9",
	darkkhaki: "#bdb76b",
	darkmagenta: "#8b008b",
	darkolivegreen: "#556b2f",
	darkorange: "#ff8c00",
	darkorchid: "#9932cc",
	darkred: "#8b0000",
	darksalmon: "#e9967a",
	darkseagreen: "#8fbc8f",
	darkslateblue: "#483d8b",
	darkslategray: "#2f4f4f",
	darkslategrey: "#2f4f4f",
	darkturquoise: "#00ced1",
	darkviolet: "#9400d3",
	deeppink: "#ff1493",
	deepskyblue: "#00bfff",
	dimgray: "#696969",
	dimgrey: "#696969",
	dodgerblue: "#1e90ff",
	firebrick: "#b22222",
	floralwhite: "#fffaf0",
	forestgreen: "#228b22",
	fuchsia: "#ff00ff",
	gainsboro: "#dcdcdc",
	ghostwhite: "#f8f8ff",
	gold: "#ffd700",
	goldenrod: "#daa520",
	gray: "#808080",
	green: "#008000",
	greenyellow: "#adff2f",
	grey: "#808080",
	honeydew: "#f0fff0",
	hotpink: "#ff69b4",
	indianred: "#cd5c5c",
	indigo: "#4b0082",
	ivory: "#fffff0",
	khaki: "#f0e68c",
	lavender: "#e6e6fa",
	lavenderblush: "#fff0f5",
	lawngreen: "#7cfc00",
	lemonchiffon: "#fffacd",
	lightblue: "#add8e6",
	lightcoral: "#f08080",
	lightcyan: "#e0ffff",
	lightgoldenrodyellow: "#fafad2",
	lightgray: "#d3d3d3",
	lightgreen: "#90ee90",
	lightgrey: "#d3d3d3",
	lightpink: "#ffb6c1",
	lightsalmon: "#ffa07a",
	lightseagreen: "#20b2aa",
	lightskyblue: "#87cefa",
	lightslategray: "#778899",
	lightslategrey: "#778899",
	lightsteelblue: "#b0c4de",
	lightyellow: "#ffffe0",
	lime: "#00ff00",
	limegreen: "#32cd32",
	linen: "#faf0e6",
	magenta: "#ff00ff",
	maroon: "#800000",
	mediumaquamarine: "#66cdaa",
	mediumblue: "#0000cd",
	mediumorchid: "#ba55d3",
	mediumpurple: "#9370db",
	mediumseagreen: "#3cb371",
	mediumslateblue: "#7b68ee",
	mediumspringgreen: "#00fa9a",
	mediumturquoise: "#48d1cc",
	mediumvioletred: "#c71585",
	midnightblue: "#191970",
	mintcream: "#f5fffa",
	mistyrose: "#ffe4e1",
	moccasin: "#ffe4b5",
	navajowhite: "#ffdead",
	navy: "#000080",
	oldlace: "#fdf5e6",
	olive: "#808000",
	olivedrab: "#6b8e23",
	orange: "#ffa500",
	orangered: "#ff4500",
	orchid: "#da70d6",
	palegoldenrod: "#eee8aa",
	palegreen: "#98fb98",
	paleturquoise: "#afeeee",
	palevioletred: "#db7093",
	papayawhip: "#ffefd5",
	peachpuff: "#ffdab9",
	peru: "#cd853f",
	pink: "#ffc0cb",
	plum: "#dda0dd",
	powderblue: "#b0e0e6",
	purple: "#800080",
	red: "#ff0000",
	rosybrown: "#bc8f8f",
	royalblue: "#4169e1",
	saddlebrown: "#8b4513",
	salmon: "#fa8072",
	sandybrown: "#f4a460",
	seagreen: "#2e8b57",
	seashell: "#fff5ee",
	sienna: "#a0522d",
	silver: "#c0c0c0",
	skyblue: "#87ceeb",
	slateblue: "#6a5acd",
	slategray: "#708090",
	slategrey: "#708090",
	snow: "#fffafa",
	springgreen: "#00ff7f",
	steelblue: "#4682b4",
	tan: "#d2b48c",
	teal: "#008080",
	thistle: "#d8bfd8",
	tomato: "#ff6347",
	turquoise: "#40e0d0",
	violet: "#ee82ee",
	wheat: "#f5deb3",
	white: "#ffffff",
	whitesmoke: "#f5f5f5",
	yellow: "#ffff00",
	yellowgreen: "#9acd32"
};
goog.color.parse = function (a) {
	var b = {};
	a = String(a);
	var c = goog.color.prependHashIfNecessaryHelper(a);
	if (goog.color.isValidHexColor_(c)) return b.hex = goog.color.normalizeHex(c), b.type = "hex", b;
	c = goog.color.isValidRgbColor_(a);
	if (c.length) return b.hex = goog.color.rgbArrayToHex(c), b.type = "rgb", b;
	if (goog.color.names && (c = goog.color.names[a.toLowerCase()])) return b.hex = c, b.type = "named", b;
	throw Error(a + " is not a valid color string");
};
goog.color.isValidColor = function (a) {
	var b = goog.color.prependHashIfNecessaryHelper(a);
	return !!(goog.color.isValidHexColor_(b) || goog.color.isValidRgbColor_(a).length || goog.color.names && goog.color.names[a.toLowerCase()])
};
goog.color.parseRgb = function (a) {
	var b = goog.color.isValidRgbColor_(a);
	if (!b.length) throw Error(a + " is not a valid RGB color");
	return b
};
goog.color.hexToRgbStyle = function (a) {
	return goog.color.rgbStyle_(goog.color.hexToRgb(a))
};
goog.color.hexTripletRe_ = /#(.)(.)(.)/;
goog.color.normalizeHex = function (a) {
	if (!goog.color.isValidHexColor_(a)) throw Error("'" + a + "' is not a valid hex color");
	4 == a.length && (a = a.replace(goog.color.hexTripletRe_, "#$1$1$2$2$3$3"));
	return a.toLowerCase()
};
goog.color.hexToRgb = function (a) {
	a = goog.color.normalizeHex(a);
	var b = parseInt(a.substr(1, 2), 16),
		c = parseInt(a.substr(3, 2), 16);
	a = parseInt(a.substr(5, 2), 16);
	return [b, c, a]
};
goog.color.rgbToHex = function (a, b, c) {
	a = Number(a);
	b = Number(b);
	c = Number(c);
	if (a != (a & 255) || b != (b & 255) || c != (c & 255)) throw Error('"(' + a + "," + b + "," + c + '") is not a valid RGB color');
	a = goog.color.prependZeroIfNecessaryHelper(a.toString(16));
	b = goog.color.prependZeroIfNecessaryHelper(b.toString(16));
	c = goog.color.prependZeroIfNecessaryHelper(c.toString(16));
	return "#" + a + b + c
};
goog.color.rgbArrayToHex = function (a) {
	return goog.color.rgbToHex(a[0], a[1], a[2])
};
goog.color.rgbToHsl = function (a, b, c) {
	a /= 255;
	b /= 255;
	c /= 255;
	var d = Math.max(a, b, c),
		e = Math.min(a, b, c),
		f = 0,
		g = 0,
		h = .5 * (d + e);
	d != e && (d == a ? f = 60 * (b - c) / (d - e) : d == b ? f = 60 * (c - a) / (d - e) + 120 : d == c && (f = 60 * (a - b) / (d - e) + 240), g = 0 < h && .5 >= h ? (d - e) / (2 * h) : (d - e) / (2 - 2 * h));
	return [Math.round(f + 360) % 360, g, h]
};
goog.color.rgbArrayToHsl = function (a) {
	return goog.color.rgbToHsl(a[0], a[1], a[2])
};
goog.color.hueToRgb_ = function (a, b, c) {
	0 > c ? c += 1 : 1 < c && --c;
	return 1 > 6 * c ? a + 6 * (b - a) * c : 1 > 2 * c ? b : 2 > 3 * c ? a + (b - a) * (2 / 3 - c) * 6 : a
};
goog.color.hslToRgb = function (a, b, c) {
	a /= 360;
	if (0 == b) c = b = a = 255 * c;
	else {
		var d, e;
		e = .5 > c ? c * (1 + b) : c + b - b * c;
		d = 2 * c - e;
		c = 255 * goog.color.hueToRgb_(d, e, a + 1 / 3);
		b = 255 * goog.color.hueToRgb_(d, e, a);
		a = 255 * goog.color.hueToRgb_(d, e, a - 1 / 3)
	}
	return [Math.round(c), Math.round(b), Math.round(a)]
};
goog.color.hslArrayToRgb = function (a) {
	return goog.color.hslToRgb(a[0], a[1], a[2])
};
goog.color.validHexColorRe_ = /^#(?:[0-9a-f]{3}){1,2}$/i;
goog.color.isValidHexColor_ = function (a) {
	return goog.color.validHexColorRe_.test(a)
};
goog.color.normalizedHexColorRe_ = /^#[0-9a-f]{6}$/;
goog.color.isNormalizedHexColor_ = function (a) {
	return goog.color.normalizedHexColorRe_.test(a)
};
goog.color.rgbColorRe_ = /^(?:rgb)?\((0|[1-9]\d{0,2}),\s?(0|[1-9]\d{0,2}),\s?(0|[1-9]\d{0,2})\)$/i;
goog.color.isValidRgbColor_ = function (a) {
	var b = a.match(goog.color.rgbColorRe_);
	if (b) {
		a = Number(b[1]);
		var c = Number(b[2]),
			b = Number(b[3]);
		if (0 <= a && 255 >= a && 0 <= c && 255 >= c && 0 <= b && 255 >= b) return [a, c, b]
	}
	return []
};
goog.color.prependZeroIfNecessaryHelper = function (a) {
	return 1 == a.length ? "0" + a : a
};
goog.color.prependHashIfNecessaryHelper = function (a) {
	return "#" == a.charAt(0) ? a : "#" + a
};
goog.color.rgbStyle_ = function (a) {
	return "rgb(" + a.join(",") + ")"
};
goog.color.hsvToRgb = function (a, b, c) {
	var d = 0,
		e = 0,
		f = 0;
	if (0 == b) f = e = d = c;
	else {
		var g = Math.floor(a / 60),
			h = a / 60 - g;
		a = c * (1 - b);
		var k = c * (1 - b * h);
		b = c * (1 - b * (1 - h));
		switch (g) {
			case 1:
				d = k;
				e = c;
				f = a;
				break;
			case 2:
				d = a;
				e = c;
				f = b;
				break;
			case 3:
				d = a;
				e = k;
				f = c;
				break;
			case 4:
				d = b;
				e = a;
				f = c;
				break;
			case 5:
				d = c;
				e = a;
				f = k;
				break;
			case 6:
			case 0:
				d = c, e = b, f = a
		}
	}
	return [Math.floor(d), Math.floor(e), Math.floor(f)]
};
goog.color.rgbToHsv = function (a, b, c) {
	var d = Math.max(Math.max(a, b), c),
		e = Math.min(Math.min(a, b), c);
	if (e == d) e = a = 0;
	else {
		var f = d - e,
			e = f / d;
		a = 60 * (a == d ? (b - c) / f : b == d ? 2 + (c - a) / f : 4 + (a - b) / f);
		0 > a && (a += 360);
		360 < a && (a -= 360)
	}
	return [a, e, d]
};
goog.color.rgbArrayToHsv = function (a) {
	return goog.color.rgbToHsv(a[0], a[1], a[2])
};
goog.color.hsvArrayToRgb = function (a) {
	return goog.color.hsvToRgb(a[0], a[1], a[2])
};
goog.color.hexToHsl = function (a) {
	a = goog.color.hexToRgb(a);
	return goog.color.rgbToHsl(a[0], a[1], a[2])
};
goog.color.hslToHex = function (a, b, c) {
	return goog.color.rgbArrayToHex(goog.color.hslToRgb(a, b, c))
};
goog.color.hslArrayToHex = function (a) {
	return goog.color.rgbArrayToHex(goog.color.hslToRgb(a[0], a[1], a[2]))
};
goog.color.hexToHsv = function (a) {
	return goog.color.rgbArrayToHsv(goog.color.hexToRgb(a))
};
goog.color.hsvToHex = function (a, b, c) {
	return goog.color.rgbArrayToHex(goog.color.hsvToRgb(a, b, c))
};
goog.color.hsvArrayToHex = function (a) {
	return goog.color.hsvToHex(a[0], a[1], a[2])
};
goog.color.hslDistance = function (a, b) {
	var c, d;
	c = .5 >= a[2] ? a[1] * a[2] : a[1] * (1 - a[2]);
	d = .5 >= b[2] ? b[1] * b[2] : b[1] * (1 - b[2]);
	return (a[2] - b[2]) * (a[2] - b[2]) + c * c + d * d - 2 * c * d * Math.cos(2 * (a[0] / 360 - b[0] / 360) * Math.PI)
};
goog.color.blend = function (a, b, c) {
	c = goog.math.clamp(c, 0, 1);
	return [Math.round(c * a[0] + (1 - c) * b[0]), Math.round(c * a[1] + (1 - c) * b[1]), Math.round(c * a[2] + (1 - c) * b[2])]
};
goog.color.darken = function (a, b) {
	return goog.color.blend([0, 0, 0], a, b)
};
goog.color.lighten = function (a, b) {
	return goog.color.blend([255, 255, 255], a, b)
};
goog.color.highContrast = function (a, b) {
	for (var c = [], d = 0; d < b.length; d++) c.push({
		color: b[d],
		diff: goog.color.yiqBrightnessDiff_(b[d], a) + goog.color.colorDiff_(b[d], a)
	});
	c.sort(function (a, b) {
		return b.diff - a.diff
	});
	return c[0].color
};
goog.color.yiqBrightness_ = function (a) {
	return Math.round((299 * a[0] + 587 * a[1] + 114 * a[2]) / 1E3)
};
goog.color.yiqBrightnessDiff_ = function (a, b) {
	return Math.abs(goog.color.yiqBrightness_(a) - goog.color.yiqBrightness_(b))
};
goog.color.colorDiff_ = function (a, b) {
	return Math.abs(a[0] - b[0]) + Math.abs(a[1] - b[1]) + Math.abs(a[2] - b[2])
};
goog.iter = {};
goog.iter.StopIteration = "StopIteration" in goog.global ? goog.global.StopIteration : {
	message: "StopIteration",
	stack: ""
};
goog.iter.Iterator = function () { };
goog.iter.Iterator.prototype.next = function () {
	throw goog.iter.StopIteration;
};
goog.iter.Iterator.prototype.__iterator__ = function (a) {
	return this
};
goog.iter.toIterator = function (a) {
	if (a instanceof goog.iter.Iterator) return a;
	if ("function" == typeof a.__iterator__) return a.__iterator__(!1);
	if (goog.isArrayLike(a)) {
		var b = 0,
			c = new goog.iter.Iterator;
		c.next = function () {
			for (; ;) {
				if (b >= a.length) throw goog.iter.StopIteration;
				if (b in a) return a[b++];
				b++
			}
		};
		return c
	}
	throw Error("Not implemented");
};
goog.iter.forEach = function (a, b, c) {
	if (goog.isArrayLike(a)) try {
		goog.array.forEach(a, b, c)
	} catch (d) {
		if (d !== goog.iter.StopIteration) throw d;
	} else {
		a = goog.iter.toIterator(a);
		try {
			for (; ;) b.call(c, a.next(), void 0, a)
		} catch (d) {
			if (d !== goog.iter.StopIteration) throw d;
		}
	}
};
goog.iter.filter = function (a, b, c) {
	var d = goog.iter.toIterator(a);
	a = new goog.iter.Iterator;
	a.next = function () {
		for (; ;) {
			var a = d.next();
			if (b.call(c, a, void 0, d)) return a
		}
	};
	return a
};
goog.iter.filterFalse = function (a, b, c) {
	return goog.iter.filter(a, goog.functions.not(b), c)
};
goog.iter.range = function (a, b, c) {
	var d = 0,
		e = a,
		f = c || 1;
	1 < arguments.length && (d = a, e = b);
	if (0 == f) throw Error("Range step argument must not be zero");
	var g = new goog.iter.Iterator;
	g.next = function () {
		if (0 < f && d >= e || 0 > f && d <= e) throw goog.iter.StopIteration;
		var a = d;
		d += f;
		return a
	};
	return g
};
goog.iter.join = function (a, b) {
	return goog.iter.toArray(a).join(b)
};
goog.iter.map = function (a, b, c) {
	var d = goog.iter.toIterator(a);
	a = new goog.iter.Iterator;
	a.next = function () {
		var a = d.next();
		return b.call(c, a, void 0, d)
	};
	return a
};
goog.iter.reduce = function (a, b, c, d) {
	var e = c;
	goog.iter.forEach(a, function (a) {
		e = b.call(d, e, a)
	});
	return e
};
goog.iter.some = function (a, b, c) {
	a = goog.iter.toIterator(a);
	try {
		for (; ;)
			if (b.call(c, a.next(), void 0, a)) return !0
	} catch (d) {
		if (d !== goog.iter.StopIteration) throw d;
	}
	return !1
};
goog.iter.every = function (a, b, c) {
	a = goog.iter.toIterator(a);
	try {
		for (; ;)
			if (!b.call(c, a.next(), void 0, a)) return !1
	} catch (d) {
		if (d !== goog.iter.StopIteration) throw d;
	}
	return !0
};
goog.iter.chain = function (a) {
	return goog.iter.chainFromIterable(arguments)
};
goog.iter.chainFromIterable = function (a) {
	var b = goog.iter.toIterator(a);
	a = new goog.iter.Iterator;
	var c = null;
	a.next = function () {
		for (; ;) {
			if (null == c) {
				var a = b.next();
				c = goog.iter.toIterator(a)
			}
			try {
				return c.next()
			} catch (e) {
				if (e !== goog.iter.StopIteration) throw e;
				c = null
			}
		}
	};
	return a
};
goog.iter.dropWhile = function (a, b, c) {
	var d = goog.iter.toIterator(a);
	a = new goog.iter.Iterator;
	var e = !0;
	a.next = function () {
		for (; ;) {
			var a = d.next();
			if (!e || !b.call(c, a, void 0, d)) return e = !1, a
		}
	};
	return a
};
goog.iter.takeWhile = function (a, b, c) {
	var d = goog.iter.toIterator(a);
	a = new goog.iter.Iterator;
	a.next = function () {
		var a = d.next();
		if (b.call(c, a, void 0, d)) return a;
		throw goog.iter.StopIteration;
	};
	return a
};
goog.iter.toArray = function (a) {
	if (goog.isArrayLike(a)) return goog.array.toArray(a);
	a = goog.iter.toIterator(a);
	var b = [];
	goog.iter.forEach(a, function (a) {
		b.push(a)
	});
	return b
};
goog.iter.equals = function (a, b, c) {
	a = goog.iter.zipLongest({}, a, b);
	var d = c || goog.array.defaultCompareEquality;
	return goog.iter.every(a, function (a) {
		return d(a[0], a[1])
	})
};
goog.iter.nextOrValue = function (a, b) {
	try {
		return goog.iter.toIterator(a).next()
	} catch (c) {
		if (c != goog.iter.StopIteration) throw c;
		return b
	}
};
goog.iter.product = function (a) {
	if (goog.array.some(arguments, function (a) {
			return !a.length
	}) || !arguments.length) return new goog.iter.Iterator;
	var b = new goog.iter.Iterator,
		c = arguments,
		d = goog.array.repeat(0, c.length);
	b.next = function () {
		if (d) {
			for (var a = goog.array.map(d, function (a, b) {
					return c[b][a]
			}), b = d.length - 1; 0 <= b; b--) {
				goog.asserts.assert(d);
				if (d[b] < c[b].length - 1) {
					d[b]++;
					break
				}
				if (0 == b) {
					d = null;
					break
				}
				d[b] = 0
			}
			return a
		}
		throw goog.iter.StopIteration;
	};
	return b
};
goog.iter.cycle = function (a) {
	var b = goog.iter.toIterator(a),
		c = [],
		d = 0;
	a = new goog.iter.Iterator;
	var e = !1;
	a.next = function () {
		var a = null;
		if (!e) try {
			return a = b.next(), c.push(a), a
		} catch (g) {
			if (g != goog.iter.StopIteration || goog.array.isEmpty(c)) throw g;
			e = !0
		}
		a = c[d];
		d = (d + 1) % c.length;
		return a
	};
	return a
};
goog.iter.count = function (a, b) {
	var c = a || 0,
		d = goog.isDef(b) ? b : 1,
		e = new goog.iter.Iterator;
	e.next = function () {
		var a = c;
		c += d;
		return a
	};
	return e
};
goog.iter.repeat = function (a) {
	var b = new goog.iter.Iterator;
	b.next = goog.functions.constant(a);
	return b
};
goog.iter.accumulate = function (a) {
	var b = goog.iter.toIterator(a),
		c = 0;
	a = new goog.iter.Iterator;
	a.next = function () {
		return c += b.next()
	};
	return a
};
goog.iter.zip = function (a) {
	var b = arguments,
		c = new goog.iter.Iterator;
	if (0 < b.length) {
		var d = goog.array.map(b, goog.iter.toIterator);
		c.next = function () {
			return goog.array.map(d, function (a) {
				return a.next()
			})
		}
	}
	return c
};
goog.iter.zipLongest = function (a, b) {
	var c = goog.array.slice(arguments, 1),
		d = new goog.iter.Iterator;
	if (0 < c.length) {
		var e = goog.array.map(c, goog.iter.toIterator);
		d.next = function () {
			var b = !1,
				c = goog.array.map(e, function (c) {
                	var d;
                	try {
                		d = c.next(), b = !0
                	} catch (m) {
                		if (m !== goog.iter.StopIteration) throw m;
                		d = a
                	}
                	return d
				});
			if (!b) throw goog.iter.StopIteration;
			return c
		}
	}
	return d
};
goog.iter.compress = function (a, b) {
	var c = goog.iter.toIterator(b);
	return goog.iter.filter(a, function () {
		return !!c.next()
	})
};
goog.iter.GroupByIterator_ = function (a, b) {
	this.iterator = goog.iter.toIterator(a);
	this.keyFunc = b || goog.functions.identity
};
goog.inherits(goog.iter.GroupByIterator_, goog.iter.Iterator);
goog.iter.GroupByIterator_.prototype.next = function () {
	for (; this.currentKey == this.targetKey;) this.currentValue = this.iterator.next(), this.currentKey = this.keyFunc(this.currentValue);
	this.targetKey = this.currentKey;
	return [this.currentKey, this.groupItems_(this.targetKey)]
};
goog.iter.GroupByIterator_.prototype.groupItems_ = function (a) {
	for (var b = []; this.currentKey == a;) {
		b.push(this.currentValue);
		try {
			this.currentValue = this.iterator.next()
		} catch (c) {
			if (c !== goog.iter.StopIteration) throw c;
			break
		}
		this.currentKey = this.keyFunc(this.currentValue)
	}
	return b
};
goog.iter.groupBy = function (a, b) {
	return new goog.iter.GroupByIterator_(a, b)
};
goog.iter.starMap = function (a, b, c) {
	var d = goog.iter.toIterator(a);
	a = new goog.iter.Iterator;
	a.next = function () {
		var a = goog.iter.toArray(d.next());
		return b.apply(c, goog.array.concat(a, void 0, d))
	};
	return a
};
goog.iter.tee = function (a, b) {
	var c = goog.iter.toIterator(a),
		d = goog.isNumber(b) ? b : 2,
		e = goog.array.map(goog.array.range(d), function () {
        	return []
		}),
		f = function () {
        	var a = c.next();
        	goog.array.forEach(e, function (b) {
        		b.push(a)
        	})
		};
	return goog.array.map(e, function (a) {
		var b = new goog.iter.Iterator;
		b.next = function () {
			goog.array.isEmpty(a) && f();
			goog.asserts.assert(!goog.array.isEmpty(a));
			return a.shift()
		};
		return b
	})
};
goog.iter.enumerate = function (a, b) {
	return goog.iter.zip(goog.iter.count(b), a)
};
goog.iter.limit = function (a, b) {
	goog.asserts.assert(goog.math.isInt(b) && 0 <= b);
	var c = goog.iter.toIterator(a),
		d = new goog.iter.Iterator,
		e = b;
	d.next = function () {
		if (0 < e--) return c.next();
		throw goog.iter.StopIteration;
	};
	return d
};
goog.iter.consume = function (a, b) {
	goog.asserts.assert(goog.math.isInt(b) && 0 <= b);
	for (var c = goog.iter.toIterator(a) ; 0 < b--;) goog.iter.nextOrValue(c, null);
	return c
};
goog.iter.slice = function (a, b, c) {
	goog.asserts.assert(goog.math.isInt(b) && 0 <= b);
	a = goog.iter.consume(a, b);
	goog.isNumber(c) && (goog.asserts.assert(goog.math.isInt(c) && c >= b), a = goog.iter.limit(a, c - b));
	return a
};
goog.iter.hasDuplicates_ = function (a) {
	var b = [];
	goog.array.removeDuplicates(a, b);
	return a.length != b.length
};
goog.iter.permutations = function (a, b) {
	var c = goog.iter.toArray(a),
		d = goog.isNumber(b) ? b : c.length,
		c = goog.array.repeat(c, d),
		c = goog.iter.product.apply(void 0, c);
	return goog.iter.filter(c, function (a) {
		return !goog.iter.hasDuplicates_(a)
	})
};
goog.iter.combinations = function (a, b) {
	function c(a) {
		return d[a]
	}
	var d = goog.iter.toArray(a),
		e = goog.iter.range(d.length),
		e = goog.iter.permutations(e, b),
		f = goog.iter.filter(e, function (a) {
        	return goog.array.isSorted(a)
		}),
		e = new goog.iter.Iterator;
	e.next = function () {
		return goog.array.map(f.next(), c)
	};
	return e
};
goog.iter.combinationsWithReplacement = function (a, b) {
	function c(a) {
		return d[a]
	}
	var d = goog.iter.toArray(a),
		e = goog.array.range(d.length),
		e = goog.array.repeat(e, b),
		e = goog.iter.product.apply(void 0, e),
		f = goog.iter.filter(e, function (a) {
        	return goog.array.isSorted(a)
		}),
		e = new goog.iter.Iterator;
	e.next = function () {
		return goog.array.map(f.next(), c)
	};
	return e
};
goog.dom.TagWalkType = {
	START_TAG: 1,
	OTHER: 0,
	END_TAG: -1
};
goog.dom.TagIterator = function (a, b, c, d, e) {
	this.reversed = !!b;
	this.node = null;
	this.tagType = goog.dom.TagWalkType.OTHER;
	this.started_ = !1;
	this.constrained = !c;
	a && this.setPosition(a, d);
	this.depth = void 0 != e ? e : this.tagType || 0;
	this.reversed && (this.depth *= -1)
};
goog.inherits(goog.dom.TagIterator, goog.iter.Iterator);
goog.dom.TagIterator.prototype.setPosition = function (a, b, c) {
	if (this.node = a) goog.isNumber(b) ? this.tagType = b : this.tagType = this.node.nodeType != goog.dom.NodeType.ELEMENT ? goog.dom.TagWalkType.OTHER : this.reversed ? goog.dom.TagWalkType.END_TAG : goog.dom.TagWalkType.START_TAG;
	goog.isNumber(c) && (this.depth = c)
};
goog.dom.TagIterator.prototype.copyFrom = function (a) {
	this.node = a.node;
	this.tagType = a.tagType;
	this.depth = a.depth;
	this.reversed = a.reversed;
	this.constrained = a.constrained
};
goog.dom.TagIterator.prototype.clone = function () {
	return new goog.dom.TagIterator(this.node, this.reversed, !this.constrained, this.tagType, this.depth)
};
goog.dom.TagIterator.prototype.skipTag = function () {
	var a = this.reversed ? goog.dom.TagWalkType.END_TAG : goog.dom.TagWalkType.START_TAG;
	this.tagType == a && (this.tagType = -1 * a, this.depth += this.tagType * (this.reversed ? -1 : 1))
};
goog.dom.TagIterator.prototype.restartTag = function () {
	var a = this.reversed ? goog.dom.TagWalkType.START_TAG : goog.dom.TagWalkType.END_TAG;
	this.tagType == a && (this.tagType = -1 * a, this.depth += this.tagType * (this.reversed ? -1 : 1))
};
goog.dom.TagIterator.prototype.next = function () {
	var a;
	if (this.started_) {
		if (!this.node || this.constrained && 0 == this.depth) throw goog.iter.StopIteration;
		a = this.node;
		var b = this.reversed ? goog.dom.TagWalkType.END_TAG : goog.dom.TagWalkType.START_TAG;
		if (this.tagType == b) {
			var c = this.reversed ? a.lastChild : a.firstChild;
			c ? this.setPosition(c) : this.setPosition(a, -1 * b)
		} else (c = this.reversed ? a.previousSibling : a.nextSibling) ? this.setPosition(c) : this.setPosition(a.parentNode, -1 * b);
		this.depth += this.tagType * (this.reversed ?
			-1 : 1)
	} else this.started_ = !0;
	a = this.node;
	if (!this.node) throw goog.iter.StopIteration;
	return a
};
goog.dom.TagIterator.prototype.isStarted = function () {
	return this.started_
};
goog.dom.TagIterator.prototype.isStartTag = function () {
	return this.tagType == goog.dom.TagWalkType.START_TAG
};
goog.dom.TagIterator.prototype.isEndTag = function () {
	return this.tagType == goog.dom.TagWalkType.END_TAG
};
goog.dom.TagIterator.prototype.isNonElement = function () {
	return this.tagType == goog.dom.TagWalkType.OTHER
};
goog.dom.TagIterator.prototype.equals = function (a) {
	return a.node == this.node && (!this.node || a.tagType == this.tagType)
};
goog.dom.TagIterator.prototype.splice = function (a) {
	var b = this.node;
	this.restartTag();
	this.reversed = !this.reversed;
	goog.dom.TagIterator.prototype.next.call(this);
	this.reversed = !this.reversed;
	for (var c = goog.isArrayLike(arguments[0]) ? arguments[0] : arguments, d = c.length - 1; 0 <= d; d--) goog.dom.insertSiblingAfter(c[d], b);
	goog.dom.removeNode(b)
};
goog.dom.NodeIterator = function (a, b, c, d) {
	goog.dom.TagIterator.call(this, a, b, c, null, d)
};
goog.inherits(goog.dom.NodeIterator, goog.dom.TagIterator);
goog.dom.NodeIterator.prototype.next = function () {
	do goog.dom.NodeIterator.superClass_.next.call(this); while (this.isEndTag());
	return this.node
};
goog.ui.PaletteRenderer = function () {
	goog.ui.ControlRenderer.call(this)
};
goog.inherits(goog.ui.PaletteRenderer, goog.ui.ControlRenderer);
goog.addSingletonGetter(goog.ui.PaletteRenderer);
goog.ui.PaletteRenderer.cellId_ = 0;
goog.ui.PaletteRenderer.CSS_CLASS = "goog-palette";
goog.ui.PaletteRenderer.prototype.createDom = function (a) {
	var b = this.getClassNames(a);
	a = a.getDomHelper().createDom("DIV", b ? b.join(" ") : null, this.createGrid(a.getContent(), a.getSize(), a.getDomHelper()));
	goog.a11y.aria.setRole(a, goog.a11y.aria.Role.GRID);
	return a
};
goog.ui.PaletteRenderer.prototype.createGrid = function (a, b, c) {
	for (var d = [], e = 0, f = 0; e < b.height; e++) {
		for (var g = [], h = 0; h < b.width; h++) {
			var k = a && a[f++];
			g.push(this.createCell(k, c))
		}
		d.push(this.createRow(g, c))
	}
	return this.createTable(d, c)
};
goog.ui.PaletteRenderer.prototype.createTable = function (a, b) {
	var c = b.createDom("TABLE", this.getCssClass() + "-table", b.createDom("TBODY", this.getCssClass() + "-body", a));
	c.cellSpacing = "0";
	c.cellPadding = "0";
	return c
};
goog.ui.PaletteRenderer.prototype.createRow = function (a, b) {
	var c = b.createDom("TR", this.getCssClass() + "-row", a);
	goog.a11y.aria.setRole(c, goog.a11y.aria.Role.ROW);
	return c
};
goog.ui.PaletteRenderer.prototype.createCell = function (a, b) {
	var c = b.createDom("TD", {
		"class": this.getCssClass() + "-cell",
		id: this.getCssClass() + "-cell-" + goog.ui.PaletteRenderer.cellId_++
	}, a);
	goog.a11y.aria.setRole(c, goog.a11y.aria.Role.GRIDCELL);
	goog.a11y.aria.setState(c, goog.a11y.aria.State.SELECTED, !1);
	if (!goog.dom.getTextContent(c) && !goog.a11y.aria.getLabel(c)) {
		var d = this.findAriaLabelForCell_(c);
		d && goog.a11y.aria.setLabel(c, d)
	}
	return c
};
goog.ui.PaletteRenderer.prototype.findAriaLabelForCell_ = function (a) {
	a = new goog.dom.NodeIterator(a);
	for (var b = "", c; !b && (c = goog.iter.nextOrValue(a, null)) ;) c.nodeType == goog.dom.NodeType.ELEMENT && (b = goog.a11y.aria.getLabel(c) || c.title);
	return b
};
goog.ui.PaletteRenderer.prototype.canDecorate = function (a) {
	return !1
};
goog.ui.PaletteRenderer.prototype.decorate = function (a, b) {
	return null
};
goog.ui.PaletteRenderer.prototype.setContent = function (a, b) {
	if (a) {
		var c = goog.dom.getElementsByTagNameAndClass("TBODY", this.getCssClass() + "-body", a)[0];
		if (c) {
			var d = 0;
			goog.array.forEach(c.rows, function (a) {
				goog.array.forEach(a.cells, function (a) {
					goog.dom.removeChildren(a);
					if (b) {
						var c = b[d++];
						c && goog.dom.appendChild(a, c)
					}
				})
			});
			if (d < b.length) {
				for (var e = [], f = goog.dom.getDomHelper(a), g = c.rows[0].cells.length; d < b.length;) {
					var h = b[d++];
					e.push(this.createCell(h, f));
					e.length == g && (h = this.createRow(e, f), goog.dom.appendChild(c,
						h), e.length = 0)
				}
				if (0 < e.length) {
					for (; e.length < g;) e.push(this.createCell("", f));
					h = this.createRow(e, f);
					goog.dom.appendChild(c, h)
				}
			}
		}
		goog.style.setUnselectable(a, !0, goog.userAgent.GECKO)
	}
};
goog.ui.PaletteRenderer.prototype.getContainingItem = function (a, b) {
	for (var c = a.getElement() ; b && b.nodeType == goog.dom.NodeType.ELEMENT && b != c;) {
		if ("TD" == b.tagName && goog.dom.classlist.contains(b, this.getCssClass() + "-cell")) return b.firstChild;
		b = b.parentNode
	}
	return null
};
goog.ui.PaletteRenderer.prototype.highlightCell = function (a, b, c) {
	b && (b = this.getCellForItem(b), goog.asserts.assert(b), goog.dom.classlist.enable(b, this.getCssClass() + "-cell-hover", c), c ? goog.a11y.aria.setState(a.getElementStrict(), goog.a11y.aria.State.ACTIVEDESCENDANT, b.id) : b.id == goog.a11y.aria.getState(a.getElementStrict(), goog.a11y.aria.State.ACTIVEDESCENDANT) && goog.a11y.aria.removeState(a.getElementStrict(), goog.a11y.aria.State.ACTIVEDESCENDANT))
};
goog.ui.PaletteRenderer.prototype.getCellForItem = function (a) {
	return a ? a.parentNode : null
};
goog.ui.PaletteRenderer.prototype.selectCell = function (a, b, c) {
	b && (a = b.parentNode, goog.dom.classlist.enable(a, this.getCssClass() + "-cell-selected", c), goog.a11y.aria.setState(a, goog.a11y.aria.State.SELECTED, c))
};
goog.ui.PaletteRenderer.prototype.getCssClass = function () {
	return goog.ui.PaletteRenderer.CSS_CLASS
};
goog.ui.SelectionModel = function (a) {
	goog.events.EventTarget.call(this);
	this.items_ = [];
	this.addItems(a)
};
goog.inherits(goog.ui.SelectionModel, goog.events.EventTarget);
goog.tagUnsealableClass(goog.ui.SelectionModel);
goog.ui.SelectionModel.prototype.selectedItem_ = null;
goog.ui.SelectionModel.prototype.selectionHandler_ = null;
goog.ui.SelectionModel.prototype.getSelectionHandler = function () {
	return this.selectionHandler_
};
goog.ui.SelectionModel.prototype.setSelectionHandler = function (a) {
	this.selectionHandler_ = a
};
goog.ui.SelectionModel.prototype.getItemCount = function () {
	return this.items_.length
};
goog.ui.SelectionModel.prototype.indexOfItem = function (a) {
	return a ? goog.array.indexOf(this.items_, a) : -1
};
goog.ui.SelectionModel.prototype.getFirst = function () {
	return this.items_[0]
};
goog.ui.SelectionModel.prototype.getLast = function () {
	return this.items_[this.items_.length - 1]
};
goog.ui.SelectionModel.prototype.getItemAt = function (a) {
	return this.items_[a] || null
};
goog.ui.SelectionModel.prototype.addItems = function (a) {
	a && (goog.array.forEach(a, function (a) {
		this.selectItem_(a, !1)
	}, this), goog.array.extend(this.items_, a))
};
goog.ui.SelectionModel.prototype.addItem = function (a) {
	this.addItemAt(a, this.getItemCount())
};
goog.ui.SelectionModel.prototype.addItemAt = function (a, b) {
	a && (this.selectItem_(a, !1), goog.array.insertAt(this.items_, a, b))
};
goog.ui.SelectionModel.prototype.removeItem = function (a) {
	a && goog.array.remove(this.items_, a) && a == this.selectedItem_ && (this.selectedItem_ = null, this.dispatchEvent(goog.events.EventType.SELECT))
};
goog.ui.SelectionModel.prototype.removeItemAt = function (a) {
	this.removeItem(this.getItemAt(a))
};
goog.ui.SelectionModel.prototype.getSelectedItem = function () {
	return this.selectedItem_
};
goog.ui.SelectionModel.prototype.getItems = function () {
	return goog.array.clone(this.items_)
};
goog.ui.SelectionModel.prototype.setSelectedItem = function (a) {
	a != this.selectedItem_ && (this.selectItem_(this.selectedItem_, !1), this.selectedItem_ = a, this.selectItem_(a, !0));
	this.dispatchEvent(goog.events.EventType.SELECT)
};
goog.ui.SelectionModel.prototype.getSelectedIndex = function () {
	return this.indexOfItem(this.selectedItem_)
};
goog.ui.SelectionModel.prototype.setSelectedIndex = function (a) {
	this.setSelectedItem(this.getItemAt(a))
};
goog.ui.SelectionModel.prototype.clear = function () {
	goog.array.clear(this.items_);
	this.selectedItem_ = null
};
goog.ui.SelectionModel.prototype.disposeInternal = function () {
	goog.ui.SelectionModel.superClass_.disposeInternal.call(this);
	delete this.items_;
	this.selectedItem_ = null
};
goog.ui.SelectionModel.prototype.selectItem_ = function (a, b) {
	a && ("function" == typeof this.selectionHandler_ ? this.selectionHandler_(a, b) : "function" == typeof a.setSelected && a.setSelected(b))
};
goog.ui.Palette = function (a, b, c) {
	goog.ui.Control.call(this, a, b || goog.ui.PaletteRenderer.getInstance(), c);
	this.setAutoStates(goog.ui.Component.State.CHECKED | goog.ui.Component.State.SELECTED | goog.ui.Component.State.OPENED, !1);
	this.currentCellControl_ = new goog.ui.Palette.CurrentCell_;
	this.currentCellControl_.setParentEventTarget(this);
	this.lastHighlightedIndex_ = -1
};
goog.inherits(goog.ui.Palette, goog.ui.Control);
goog.tagUnsealableClass(goog.ui.Palette);
goog.ui.Palette.EventType = {
	AFTER_HIGHLIGHT: goog.events.getUniqueId("afterhighlight")
};
goog.ui.Palette.prototype.size_ = null;
goog.ui.Palette.prototype.highlightedIndex_ = -1;
goog.ui.Palette.prototype.selectionModel_ = null;
goog.ui.Palette.prototype.disposeInternal = function () {
	goog.ui.Palette.superClass_.disposeInternal.call(this);
	this.selectionModel_ && (this.selectionModel_.dispose(), this.selectionModel_ = null);
	this.size_ = null;
	this.currentCellControl_.dispose()
};
goog.ui.Palette.prototype.setContentInternal = function (a) {
	goog.ui.Palette.superClass_.setContentInternal.call(this, a);
	this.adjustSize_();
	this.selectionModel_ ? (this.selectionModel_.clear(), this.selectionModel_.addItems(a)) : (this.selectionModel_ = new goog.ui.SelectionModel(a), this.selectionModel_.setSelectionHandler(goog.bind(this.selectItem_, this)), this.getHandler().listen(this.selectionModel_, goog.events.EventType.SELECT, this.handleSelectionChange));
	this.highlightedIndex_ = -1
};
goog.ui.Palette.prototype.getCaption = function () {
	return ""
};
goog.ui.Palette.prototype.setCaption = function (a) { };
goog.ui.Palette.prototype.handleMouseOver = function (a) {
	goog.ui.Palette.superClass_.handleMouseOver.call(this, a);
	var b = this.getRenderer().getContainingItem(this, a.target);
	b && a.relatedTarget && goog.dom.contains(b, a.relatedTarget) || b != this.getHighlightedItem() && this.setHighlightedItem(b)
};
goog.ui.Palette.prototype.handleMouseDown = function (a) {
	goog.ui.Palette.superClass_.handleMouseDown.call(this, a);
	this.isActive() && (a = this.getRenderer().getContainingItem(this, a.target), a != this.getHighlightedItem() && this.setHighlightedItem(a))
};
goog.ui.Palette.prototype.performActionInternal = function (a) {
	var b = this.getHighlightedItem();
	return b ? (a && this.shouldSelectHighlightedItem_(a) && this.setSelectedItem(b), goog.ui.Palette.superClass_.performActionInternal.call(this, a)) : !1
};
goog.ui.Palette.prototype.shouldSelectHighlightedItem_ = function (a) {
	return this.getSelectedItem() ? "mouseup" != a.type ? !0 : !!this.getRenderer().getContainingItem(this, a.target) : !0
};
goog.ui.Palette.prototype.handleKeyEvent = function (a) {
	var b = this.getContent(),
		b = b ? b.length : 0,
		c = this.size_.width;
	if (0 == b || !this.isEnabled()) return !1;
	if (a.keyCode == goog.events.KeyCodes.ENTER || a.keyCode == goog.events.KeyCodes.SPACE) return this.performActionInternal(a);
	if (a.keyCode == goog.events.KeyCodes.HOME) return this.setHighlightedIndex(0), !0;
	if (a.keyCode == goog.events.KeyCodes.END) return this.setHighlightedIndex(b - 1), !0;
	var d = 0 > this.highlightedIndex_ ? this.getSelectedIndex() : this.highlightedIndex_;
	switch (a.keyCode) {
		case goog.events.KeyCodes.LEFT:
			if (-1 ==
				d || 0 == d) d = b;
			this.setHighlightedIndex(d - 1);
			a.preventDefault();
			return !0;
		case goog.events.KeyCodes.RIGHT:
			return d == b - 1 && (d = -1), this.setHighlightedIndex(d + 1), a.preventDefault(), !0;
		case goog.events.KeyCodes.UP:
			-1 == d && (d = b + c - 1);
			if (d >= c) return this.setHighlightedIndex(d - c), a.preventDefault(), !0;
			break;
		case goog.events.KeyCodes.DOWN:
			if (-1 == d && (d = -c), d < b - c) return this.setHighlightedIndex(d + c), a.preventDefault(), !0
	}
	return !1
};
goog.ui.Palette.prototype.handleSelectionChange = function (a) { };
goog.ui.Palette.prototype.getSize = function () {
	return this.size_
};
goog.ui.Palette.prototype.setSize = function (a, b) {
	if (this.getElement()) throw Error(goog.ui.Component.Error.ALREADY_RENDERED);
	this.size_ = goog.isNumber(a) ? new goog.math.Size(a, b) : a;
	this.adjustSize_()
};
goog.ui.Palette.prototype.getHighlightedIndex = function () {
	return this.highlightedIndex_
};
goog.ui.Palette.prototype.getHighlightedItem = function () {
	var a = this.getContent();
	return a && a[this.highlightedIndex_]
};
goog.ui.Palette.prototype.getHighlightedCellElement_ = function () {
	return this.getRenderer().getCellForItem(this.getHighlightedItem())
};
goog.ui.Palette.prototype.setHighlightedIndex = function (a) {
	a != this.highlightedIndex_ && (this.highlightIndex_(this.highlightedIndex_, !1), this.lastHighlightedIndex_ = this.highlightedIndex_, this.highlightedIndex_ = a, this.highlightIndex_(a, !0), this.dispatchEvent(goog.ui.Palette.EventType.AFTER_HIGHLIGHT))
};
goog.ui.Palette.prototype.setHighlightedItem = function (a) {
	var b = this.getContent();
	this.setHighlightedIndex(b && a ? goog.array.indexOf(b, a) : -1)
};
goog.ui.Palette.prototype.getSelectedIndex = function () {
	return this.selectionModel_ ? this.selectionModel_.getSelectedIndex() : -1
};
goog.ui.Palette.prototype.getSelectedItem = function () {
	return this.selectionModel_ ? this.selectionModel_.getSelectedItem() : null
};
goog.ui.Palette.prototype.setSelectedIndex = function (a) {
	this.selectionModel_ && this.selectionModel_.setSelectedIndex(a)
};
goog.ui.Palette.prototype.setSelectedItem = function (a) {
	this.selectionModel_ && this.selectionModel_.setSelectedItem(a)
};
goog.ui.Palette.prototype.highlightIndex_ = function (a, b) {
	if (this.getElement()) {
		var c = this.getContent();
		if (c && 0 <= a && a < c.length) {
			var d = this.getHighlightedCellElement_();
			this.currentCellControl_.getElement() != d && this.currentCellControl_.setElementInternal(d);
			this.currentCellControl_.tryHighlight(b) && this.getRenderer().highlightCell(this, c[a], b)
		}
	}
};
goog.ui.Palette.prototype.setHighlighted = function (a) {
	a && -1 == this.highlightedIndex_ ? this.setHighlightedIndex(-1 < this.lastHighlightedIndex_ ? this.lastHighlightedIndex_ : 0) : a || this.setHighlightedIndex(-1);
	goog.ui.Palette.superClass_.setHighlighted.call(this, a)
};
goog.ui.Palette.prototype.selectItem_ = function (a, b) {
	this.getElement() && this.getRenderer().selectCell(this, a, b)
};
goog.ui.Palette.prototype.adjustSize_ = function () {
	var a = this.getContent();
	if (a)
		if (this.size_ && this.size_.width) {
			if (a = Math.ceil(a.length / this.size_.width), !goog.isNumber(this.size_.height) || this.size_.height < a) this.size_.height = a
		} else a = Math.ceil(Math.sqrt(a.length)), this.size_ = new goog.math.Size(a, a);
	else this.size_ = new goog.math.Size(0, 0)
};
goog.ui.Palette.CurrentCell_ = function () {
	goog.ui.Control.call(this, null);
	this.setDispatchTransitionEvents(goog.ui.Component.State.HOVER, !0)
};
goog.inherits(goog.ui.Palette.CurrentCell_, goog.ui.Control);
goog.ui.Palette.CurrentCell_.prototype.tryHighlight = function (a) {
	this.setHighlighted(a);
	return this.isHighlighted() == a
};
goog.ui.ColorPalette = function (a, b, c) {
	this.colors_ = a || [];
	goog.ui.Palette.call(this, null, b || goog.ui.PaletteRenderer.getInstance(), c);
	this.setColors(this.colors_)
};
goog.inherits(goog.ui.ColorPalette, goog.ui.Palette);
goog.tagUnsealableClass(goog.ui.ColorPalette);
goog.ui.ColorPalette.prototype.normalizedColors_ = null;
goog.ui.ColorPalette.prototype.labels_ = null;
goog.ui.ColorPalette.prototype.getColors = function () {
	return this.colors_
};
goog.ui.ColorPalette.prototype.setColors = function (a, b) {
	this.colors_ = a;
	this.labels_ = b || null;
	this.normalizedColors_ = null;
	this.setContent(this.createColorNodes())
};
goog.ui.ColorPalette.prototype.getSelectedColor = function () {
	var a = this.getSelectedItem();
	return a ? (a = goog.style.getStyle(a, "background-color"), goog.ui.ColorPalette.parseColor_(a)) : null
};
goog.ui.ColorPalette.prototype.setSelectedColor = function (a) {
	a = goog.ui.ColorPalette.parseColor_(a);
	this.normalizedColors_ || (this.normalizedColors_ = goog.array.map(this.colors_, function (a) {
		return goog.ui.ColorPalette.parseColor_(a)
	}));
	this.setSelectedIndex(a ? goog.array.indexOf(this.normalizedColors_, a) : -1)
};
goog.ui.ColorPalette.prototype.createColorNodes = function () {
	return goog.array.map(this.colors_, function (a, b) {
		var c = this.getDomHelper().createDom("DIV", {
			"class": this.getRenderer().getCssClass() + "-colorswatch",
			style: "background-color:" + a
		});
		c.title = this.labels_ && this.labels_[b] ? this.labels_[b] : "#" == a.charAt(0) ? "RGB (" + goog.color.hexToRgb(a).join(", ") + ")" : a;
		return c
	}, this)
};
goog.ui.ColorPalette.parseColor_ = function (a) {
	if (a) try {
		return goog.color.parse(a).hex
	} catch (b) { }
	return null
};
goog.ui.ColorPicker = function (a, b) {
	goog.ui.Component.call(this, a);
	this.colorPalette_ = b || null;
	this.getHandler().listen(this, goog.ui.Component.EventType.ACTION, this.onColorPaletteAction_)
};
goog.inherits(goog.ui.ColorPicker, goog.ui.Component);
goog.ui.ColorPicker.DEFAULT_NUM_COLS = 5;
goog.ui.ColorPicker.EventType = {
	CHANGE: "change"
};
goog.ui.ColorPicker.prototype.focusable_ = !0;
goog.ui.ColorPicker.prototype.getColors = function () {
	return this.colorPalette_ ? this.colorPalette_.getColors() : null
};
goog.ui.ColorPicker.prototype.setColors = function (a) {
	this.colorPalette_ ? this.colorPalette_.setColors(a) : this.createColorPalette_(a)
};
goog.ui.ColorPicker.prototype.addColors = function (a) {
	this.setColors(a)
};
goog.ui.ColorPicker.prototype.setSize = function (a) {
	this.colorPalette_ || this.createColorPalette_([]);
	this.colorPalette_.setSize(a)
};
goog.ui.ColorPicker.prototype.getSize = function () {
	return this.colorPalette_ ? this.colorPalette_.getSize() : null
};
goog.ui.ColorPicker.prototype.setColumnCount = function (a) {
	this.setSize(a)
};
goog.ui.ColorPicker.prototype.getSelectedIndex = function () {
	return this.colorPalette_ ? this.colorPalette_.getSelectedIndex() : -1
};
goog.ui.ColorPicker.prototype.setSelectedIndex = function (a) {
	this.colorPalette_ && this.colorPalette_.setSelectedIndex(a)
};
goog.ui.ColorPicker.prototype.getSelectedColor = function () {
	return this.colorPalette_ ? this.colorPalette_.getSelectedColor() : null
};
goog.ui.ColorPicker.prototype.setSelectedColor = function (a) {
	this.colorPalette_ && this.colorPalette_.setSelectedColor(a)
};
goog.ui.ColorPicker.prototype.isFocusable = function () {
	return this.focusable_
};
goog.ui.ColorPicker.prototype.setFocusable = function (a) {
	this.focusable_ = a;
	this.colorPalette_ && this.colorPalette_.setSupportedState(goog.ui.Component.State.FOCUSED, a)
};
goog.ui.ColorPicker.prototype.canDecorate = function (a) {
	return !1
};
goog.ui.ColorPicker.prototype.enterDocument = function () {
	goog.ui.ColorPicker.superClass_.enterDocument.call(this);
	this.colorPalette_ && this.colorPalette_.render(this.getElement());
	this.getElement().unselectable = "on"
};
goog.ui.ColorPicker.prototype.disposeInternal = function () {
	goog.ui.ColorPicker.superClass_.disposeInternal.call(this);
	this.colorPalette_ && (this.colorPalette_.dispose(), this.colorPalette_ = null)
};
goog.ui.ColorPicker.prototype.focus = function () {
	this.colorPalette_ && this.colorPalette_.getElement().focus()
};
goog.ui.ColorPicker.prototype.onColorPaletteAction_ = function (a) {
	a.stopPropagation();
	this.dispatchEvent(goog.ui.ColorPicker.EventType.CHANGE)
};
goog.ui.ColorPicker.prototype.createColorPalette_ = function (a) {
	a = new goog.ui.ColorPalette(a, null, this.getDomHelper());
	a.setSize(goog.ui.ColorPicker.DEFAULT_NUM_COLS);
	a.setSupportedState(goog.ui.Component.State.FOCUSED, this.focusable_);
	this.addChild(a);
	this.colorPalette_ = a;
	this.isInDocument() && this.colorPalette_.render(this.getElement())
};
goog.ui.ColorPicker.createSimpleColorGrid = function (a) {
	a = new goog.ui.ColorPicker(a);
	a.setSize(7);
	a.setColors(goog.ui.ColorPicker.SIMPLE_GRID_COLORS);
	return a
};
goog.ui.ColorPicker.SIMPLE_GRID_COLORS = "#ffffff #cccccc #c0c0c0 #999999 #666666 #333333 #000000 #ffcccc #ff6666 #ff0000 #cc0000 #990000 #660000 #330000 #ffcc99 #ff9966 #ff9900 #ff6600 #cc6600 #993300 #663300 #ffff99 #ffff66 #ffcc66 #ffcc33 #cc9933 #996633 #663333 #ffffcc #ffff33 #ffff00 #ffcc00 #999900 #666600 #333300 #99ff99 #66ff99 #33ff33 #33cc00 #009900 #006600 #003300 #99ffff #33ffff #66cccc #00cccc #339999 #336666 #003333 #ccffff #66ffff #33ccff #3366ff #3333ff #000099 #000066 #ccccff #9999ff #6666cc #6633ff #6600cc #333399 #330099 #ffccff #ff99ff #cc66cc #cc33cc #993399 #663366 #330033".split(" ");
goog.events.FocusHandler = function (a) {
	goog.events.EventTarget.call(this);
	this.element_ = a;
	a = goog.userAgent.IE ? "focusout" : "blur";
	this.listenKeyIn_ = goog.events.listen(this.element_, goog.userAgent.IE ? "focusin" : "focus", this, !goog.userAgent.IE);
	this.listenKeyOut_ = goog.events.listen(this.element_, a, this, !goog.userAgent.IE)
};
goog.inherits(goog.events.FocusHandler, goog.events.EventTarget);
goog.events.FocusHandler.EventType = {
	FOCUSIN: "focusin",
	FOCUSOUT: "focusout"
};
goog.events.FocusHandler.prototype.handleEvent = function (a) {
	var b = a.getBrowserEvent(),
		b = new goog.events.BrowserEvent(b);
	b.type = "focusin" == a.type || "focus" == a.type ? goog.events.FocusHandler.EventType.FOCUSIN : goog.events.FocusHandler.EventType.FOCUSOUT;
	this.dispatchEvent(b)
};
goog.events.FocusHandler.prototype.disposeInternal = function () {
	goog.events.FocusHandler.superClass_.disposeInternal.call(this);
	goog.events.unlistenByKey(this.listenKeyIn_);
	goog.events.unlistenByKey(this.listenKeyOut_);
	delete this.element_
};
goog.structs = {};
goog.structs.getCount = function (a) {
	return a.getCount && "function" == typeof a.getCount ? a.getCount() : goog.isArrayLike(a) || goog.isString(a) ? a.length : goog.object.getCount(a)
};
goog.structs.getValues = function (a) {
	if (a.getValues && "function" == typeof a.getValues) return a.getValues();
	if (goog.isString(a)) return a.split("");
	if (goog.isArrayLike(a)) {
		for (var b = [], c = a.length, d = 0; d < c; d++) b.push(a[d]);
		return b
	}
	return goog.object.getValues(a)
};
goog.structs.getKeys = function (a) {
	if (a.getKeys && "function" == typeof a.getKeys) return a.getKeys();
	if (!a.getValues || "function" != typeof a.getValues) {
		if (goog.isArrayLike(a) || goog.isString(a)) {
			var b = [];
			a = a.length;
			for (var c = 0; c < a; c++) b.push(c);
			return b
		}
		return goog.object.getKeys(a)
	}
};
goog.structs.contains = function (a, b) {
	return a.contains && "function" == typeof a.contains ? a.contains(b) : a.containsValue && "function" == typeof a.containsValue ? a.containsValue(b) : goog.isArrayLike(a) || goog.isString(a) ? goog.array.contains(a, b) : goog.object.containsValue(a, b)
};
goog.structs.isEmpty = function (a) {
	return a.isEmpty && "function" == typeof a.isEmpty ? a.isEmpty() : goog.isArrayLike(a) || goog.isString(a) ? goog.array.isEmpty(a) : goog.object.isEmpty(a)
};
goog.structs.clear = function (a) {
	a.clear && "function" == typeof a.clear ? a.clear() : goog.isArrayLike(a) ? goog.array.clear(a) : goog.object.clear(a)
};
goog.structs.forEach = function (a, b, c) {
	if (a.forEach && "function" == typeof a.forEach) a.forEach(b, c);
	else if (goog.isArrayLike(a) || goog.isString(a)) goog.array.forEach(a, b, c);
	else
		for (var d = goog.structs.getKeys(a), e = goog.structs.getValues(a), f = e.length, g = 0; g < f; g++) b.call(c, e[g], d && d[g], a)
};
goog.structs.filter = function (a, b, c) {
	if ("function" == typeof a.filter) return a.filter(b, c);
	if (goog.isArrayLike(a) || goog.isString(a)) return goog.array.filter(a, b, c);
	var d, e = goog.structs.getKeys(a),
		f = goog.structs.getValues(a),
		g = f.length;
	if (e) {
		d = {};
		for (var h = 0; h < g; h++) b.call(c, f[h], e[h], a) && (d[e[h]] = f[h])
	} else
		for (d = [], h = 0; h < g; h++) b.call(c, f[h], void 0, a) && d.push(f[h]);
	return d
};
goog.structs.map = function (a, b, c) {
	if ("function" == typeof a.map) return a.map(b, c);
	if (goog.isArrayLike(a) || goog.isString(a)) return goog.array.map(a, b, c);
	var d, e = goog.structs.getKeys(a),
		f = goog.structs.getValues(a),
		g = f.length;
	if (e) {
		d = {};
		for (var h = 0; h < g; h++) d[e[h]] = b.call(c, f[h], e[h], a)
	} else
		for (d = [], h = 0; h < g; h++) d[h] = b.call(c, f[h], void 0, a);
	return d
};
goog.structs.some = function (a, b, c) {
	if ("function" == typeof a.some) return a.some(b, c);
	if (goog.isArrayLike(a) || goog.isString(a)) return goog.array.some(a, b, c);
	for (var d = goog.structs.getKeys(a), e = goog.structs.getValues(a), f = e.length, g = 0; g < f; g++)
		if (b.call(c, e[g], d && d[g], a)) return !0;
	return !1
};
goog.structs.every = function (a, b, c) {
	if ("function" == typeof a.every) return a.every(b, c);
	if (goog.isArrayLike(a) || goog.isString(a)) return goog.array.every(a, b, c);
	for (var d = goog.structs.getKeys(a), e = goog.structs.getValues(a), f = e.length, g = 0; g < f; g++)
		if (!b.call(c, e[g], d && d[g], a)) return !1;
	return !0
};
goog.structs.Collection = function () { };
goog.structs.Map = function (a, b) {
	this.map_ = {};
	this.keys_ = [];
	this.version_ = this.count_ = 0;
	var c = arguments.length;
	if (1 < c) {
		if (c % 2) throw Error("Uneven number of arguments");
		for (var d = 0; d < c; d += 2) this.set(arguments[d], arguments[d + 1])
	} else a && this.addAll(a)
};
goog.structs.Map.prototype.getCount = function () {
	return this.count_
};
goog.structs.Map.prototype.getValues = function () {
	this.cleanupKeysArray_();
	for (var a = [], b = 0; b < this.keys_.length; b++) a.push(this.map_[this.keys_[b]]);
	return a
};
goog.structs.Map.prototype.getKeys = function () {
	this.cleanupKeysArray_();
	return this.keys_.concat()
};
goog.structs.Map.prototype.containsKey = function (a) {
	return goog.structs.Map.hasKey_(this.map_, a)
};
goog.structs.Map.prototype.containsValue = function (a) {
	for (var b = 0; b < this.keys_.length; b++) {
		var c = this.keys_[b];
		if (goog.structs.Map.hasKey_(this.map_, c) && this.map_[c] == a) return !0
	}
	return !1
};
goog.structs.Map.prototype.equals = function (a, b) {
	if (this === a) return !0;
	if (this.count_ != a.getCount()) return !1;
	var c = b || goog.structs.Map.defaultEquals;
	this.cleanupKeysArray_();
	for (var d, e = 0; d = this.keys_[e]; e++)
		if (!c(this.get(d), a.get(d))) return !1;
	return !0
};
goog.structs.Map.defaultEquals = function (a, b) {
	return a === b
};
goog.structs.Map.prototype.isEmpty = function () {
	return 0 == this.count_
};
goog.structs.Map.prototype.clear = function () {
	this.map_ = {};
	this.version_ = this.count_ = this.keys_.length = 0
};
goog.structs.Map.prototype.remove = function (a) {
	return goog.structs.Map.hasKey_(this.map_, a) ? (delete this.map_[a], this.count_--, this.version_++, this.keys_.length > 2 * this.count_ && this.cleanupKeysArray_(), !0) : !1
};
goog.structs.Map.prototype.cleanupKeysArray_ = function () {
	if (this.count_ != this.keys_.length) {
		for (var a = 0, b = 0; a < this.keys_.length;) {
			var c = this.keys_[a];
			goog.structs.Map.hasKey_(this.map_, c) && (this.keys_[b++] = c);
			a++
		}
		this.keys_.length = b
	}
	if (this.count_ != this.keys_.length) {
		for (var d = {}, b = a = 0; a < this.keys_.length;) c = this.keys_[a], goog.structs.Map.hasKey_(d, c) || (this.keys_[b++] = c, d[c] = 1), a++;
		this.keys_.length = b
	}
};
goog.structs.Map.prototype.get = function (a, b) {
	return goog.structs.Map.hasKey_(this.map_, a) ? this.map_[a] : b
};
goog.structs.Map.prototype.set = function (a, b) {
	goog.structs.Map.hasKey_(this.map_, a) || (this.count_++, this.keys_.push(a), this.version_++);
	this.map_[a] = b
};
goog.structs.Map.prototype.addAll = function (a) {
	var b;
	a instanceof goog.structs.Map ? (b = a.getKeys(), a = a.getValues()) : (b = goog.object.getKeys(a), a = goog.object.getValues(a));
	for (var c = 0; c < b.length; c++) this.set(b[c], a[c])
};
goog.structs.Map.prototype.forEach = function (a, b) {
	for (var c = this.getKeys(), d = 0; d < c.length; d++) {
		var e = c[d],
			f = this.get(e);
		a.call(b, f, e, this)
	}
};
goog.structs.Map.prototype.clone = function () {
	return new goog.structs.Map(this)
};
goog.structs.Map.prototype.transpose = function () {
	for (var a = new goog.structs.Map, b = 0; b < this.keys_.length; b++) {
		var c = this.keys_[b];
		a.set(this.map_[c], c)
	}
	return a
};
goog.structs.Map.prototype.toObject = function () {
	this.cleanupKeysArray_();
	for (var a = {}, b = 0; b < this.keys_.length; b++) {
		var c = this.keys_[b];
		a[c] = this.map_[c]
	}
	return a
};
goog.structs.Map.prototype.getKeyIterator = function () {
	return this.__iterator__(!0)
};
goog.structs.Map.prototype.getValueIterator = function () {
	return this.__iterator__(!1)
};
goog.structs.Map.prototype.__iterator__ = function (a) {
	this.cleanupKeysArray_();
	var b = 0,
		c = this.version_,
		d = this,
		e = new goog.iter.Iterator;
	e.next = function () {
		if (c != d.version_) throw Error("The map has changed since the iterator was created");
		if (b >= d.keys_.length) throw goog.iter.StopIteration;
		var e = d.keys_[b++];
		return a ? e : d.map_[e]
	};
	return e
};
goog.structs.Map.hasKey_ = function (a, b) {
	return Object.prototype.hasOwnProperty.call(a, b)
};
goog.structs.Set = function (a) {
	this.map_ = new goog.structs.Map;
	a && this.addAll(a)
};
goog.structs.Set.getKey_ = function (a) {
	var b = typeof a;
	return "object" == b && a || "function" == b ? "o" + goog.getUid(a) : b.substr(0, 1) + a
};
goog.structs.Set.prototype.getCount = function () {
	return this.map_.getCount()
};
goog.structs.Set.prototype.add = function (a) {
	this.map_.set(goog.structs.Set.getKey_(a), a)
};
goog.structs.Set.prototype.addAll = function (a) {
	a = goog.structs.getValues(a);
	for (var b = a.length, c = 0; c < b; c++) this.add(a[c])
};
goog.structs.Set.prototype.removeAll = function (a) {
	a = goog.structs.getValues(a);
	for (var b = a.length, c = 0; c < b; c++) this.remove(a[c])
};
goog.structs.Set.prototype.remove = function (a) {
	return this.map_.remove(goog.structs.Set.getKey_(a))
};
goog.structs.Set.prototype.clear = function () {
	this.map_.clear()
};
goog.structs.Set.prototype.isEmpty = function () {
	return this.map_.isEmpty()
};
goog.structs.Set.prototype.contains = function (a) {
	return this.map_.containsKey(goog.structs.Set.getKey_(a))
};
goog.structs.Set.prototype.containsAll = function (a) {
	return goog.structs.every(a, this.contains, this)
};
goog.structs.Set.prototype.intersection = function (a) {
	var b = new goog.structs.Set;
	a = goog.structs.getValues(a);
	for (var c = 0; c < a.length; c++) {
		var d = a[c];
		this.contains(d) && b.add(d)
	}
	return b
};
goog.structs.Set.prototype.difference = function (a) {
	var b = this.clone();
	b.removeAll(a);
	return b
};
goog.structs.Set.prototype.getValues = function () {
	return this.map_.getValues()
};
goog.structs.Set.prototype.clone = function () {
	return new goog.structs.Set(this)
};
goog.structs.Set.prototype.equals = function (a) {
	return this.getCount() == goog.structs.getCount(a) && this.isSubsetOf(a)
};
goog.structs.Set.prototype.isSubsetOf = function (a) {
	var b = goog.structs.getCount(a);
	if (this.getCount() > b) return !1;
	!(a instanceof goog.structs.Set) && 5 < b && (a = new goog.structs.Set(a));
	return goog.structs.every(this, function (b) {
		return goog.structs.contains(a, b)
	})
};
goog.structs.Set.prototype.__iterator__ = function (a) {
	return this.map_.__iterator__(!1)
};
goog.debug.LOGGING_ENABLED = goog.DEBUG;
goog.debug.FORCE_SLOPPY_STACKS = !1;
goog.debug.catchErrors = function (a, b, c) {
	c = c || goog.global;
	var d = c.onerror,
		e = !!b;
	goog.userAgent.WEBKIT && !goog.userAgent.isVersionOrHigher("535.3") && (e = !e);
	c.onerror = function (b, c, h, k, m) {
		d && d(b, c, h, k, m);
		a({
			message: b,
			fileName: c,
			line: h,
			col: k,
			error: m
		});
		return e
	}
};
goog.debug.expose = function (a, b) {
	if ("undefined" == typeof a) return "undefined";
	if (null == a) return "NULL";
	var c = [],
		d;
	for (d in a)
		if (b || !goog.isFunction(a[d])) {
			var e = d + " = ";
			try {
				e += a[d]
			} catch (f) {
				e += "*** " + f + " ***"
			}
			c.push(e)
		}
	return c.join("\n")
};
goog.debug.deepExpose = function (a, b) {
	var c = [],
		d = function (a, f, g) {
        	var e = f + "  ";
        	g = new goog.structs.Set(g);
        	try {
        		if (goog.isDef(a))
        			if (goog.isNull(a)) c.push("NULL");
        			else if (goog.isString(a)) c.push('"' + a.replace(/\n/g, "\n" + f) + '"');
        			else if (goog.isFunction(a)) c.push(String(a).replace(/\n/g, "\n" + f));
        			else if (goog.isObject(a))
        				if (g.contains(a)) c.push("*** reference loop detected ***");
        				else {
        					g.add(a);
        					c.push("{");
        					for (var k in a)
        						if (b || !goog.isFunction(a[k])) c.push("\n"), c.push(e), c.push(k + " = "), d(a[k], e, g);
        					c.push("\n" +
								f + "}")
        				}
        			else c.push(a);
        		else c.push("undefined")
        	} catch (m) {
        		c.push("*** " + m + " ***")
        	}
		};
	d(a, "", new goog.structs.Set);
	return c.join("")
};
goog.debug.exposeArray = function (a) {
	for (var b = [], c = 0; c < a.length; c++) goog.isArray(a[c]) ? b.push(goog.debug.exposeArray(a[c])) : b.push(a[c]);
	return "[ " + b.join(", ") + " ]"
};
goog.debug.exposeException = function (a, b) {
	var c = goog.debug.exposeExceptionAsHtml(a, b);
	return goog.html.SafeHtml.unwrap(c)
};
goog.debug.exposeExceptionAsHtml = function (a, b) {
	try {
		var c = goog.debug.normalizeErrorObject(a),
			d = goog.debug.createViewSourceUrl_(c.fileName);
		return goog.html.SafeHtml.concat(goog.html.SafeHtml.htmlEscapePreservingNewlinesAndSpaces("Message: " + c.message + "\nUrl: "), goog.html.SafeHtml.create("a", {
			href: d,
			target: "_new"
		}, c.fileName), goog.html.SafeHtml.htmlEscapePreservingNewlinesAndSpaces("\nLine: " + c.lineNumber + "\n\nBrowser stack:\n" + c.stack + "-> [end]\n\nJS stack traversal:\n" + goog.debug.getStacktrace(b) +
			"-> "))
	} catch (e) {
		return goog.html.SafeHtml.htmlEscapePreservingNewlinesAndSpaces("Exception trying to expose exception! You win, we lose. " + e)
	}
};
goog.debug.createViewSourceUrl_ = function (a) {
	goog.isDefAndNotNull(a) || (a = "");
	if (!/^https?:\/\//i.test(a)) return goog.html.SafeUrl.fromConstant(goog.string.Const.from("sanitizedviewsrc"));
	a = goog.html.SafeUrl.sanitize(a);
	return goog.html.uncheckedconversions.safeUrlFromStringKnownToSatisfyTypeContract(goog.string.Const.from("view-source scheme plus HTTP/HTTPS URL"), "view-source:" + goog.html.SafeUrl.unwrap(a))
};
goog.debug.normalizeErrorObject = function (a) {
	var b = goog.getObjectByName("window.location.href");
	if (goog.isString(a)) return {
		message: a,
		name: "Unknown error",
		lineNumber: "Not available",
		fileName: b,
		stack: "Not available"
	};
	var c, d, e = !1;
	try {
		c = a.lineNumber || a.line || "Not available"
	} catch (f) {
		c = "Not available", e = !0
	}
	try {
		d = a.fileName || a.filename || a.sourceURL || goog.global.$googDebugFname || b
	} catch (f) {
		d = "Not available", e = !0
	}
	return !e && a.lineNumber && a.fileName && a.stack && a.message && a.name ? a : {
		message: a.message || "Not available",
		name: a.name || "UnknownError",
		lineNumber: c,
		fileName: d,
		stack: a.stack || "Not available"
	}
};
goog.debug.enhanceError = function (a, b) {
	var c;
	a instanceof Error ? c = a : (c = Error(a), Error.captureStackTrace && Error.captureStackTrace(c, goog.debug.enhanceError));
	c.stack || (c.stack = goog.debug.getStacktrace(goog.debug.enhanceError));
	if (b) {
		for (var d = 0; c["message" + d];)++d;
		c["message" + d] = String(b)
	}
	return c
};
goog.debug.getStacktraceSimple = function (a) {
	if (!goog.debug.FORCE_SLOPPY_STACKS) {
		var b = goog.debug.getNativeStackTrace_(goog.debug.getStacktraceSimple);
		if (b) return b
	}
	for (var b = [], c = arguments.callee.caller, d = 0; c && (!a || d < a) ;) {
		b.push(goog.debug.getFunctionName(c));
		b.push("()\n");
		try {
			c = c.caller
		} catch (e) {
			b.push("[exception trying to get caller]\n");
			break
		}
		d++;
		if (d >= goog.debug.MAX_STACK_DEPTH) {
			b.push("[...long stack...]");
			break
		}
	}
	a && d >= a ? b.push("[...reached max depth limit...]") : b.push("[end]");
	return b.join("")
};
goog.debug.MAX_STACK_DEPTH = 50;
goog.debug.getNativeStackTrace_ = function (a) {
	var b = Error();
	if (Error.captureStackTrace) return Error.captureStackTrace(b, a), String(b.stack);
	try {
		throw b;
	} catch (c) {
		b = c
	}
	return (a = b.stack) ? String(a) : null
};
goog.debug.getStacktrace = function (a) {
	var b;
	goog.debug.FORCE_SLOPPY_STACKS || (b = goog.debug.getNativeStackTrace_(a || goog.debug.getStacktrace));
	b || (b = goog.debug.getStacktraceHelper_(a || arguments.callee.caller, []));
	return b
};
goog.debug.getStacktraceHelper_ = function (a, b) {
	var c = [];
	if (goog.array.contains(b, a)) c.push("[...circular reference...]");
	else if (a && b.length < goog.debug.MAX_STACK_DEPTH) {
		c.push(goog.debug.getFunctionName(a) + "(");
		for (var d = a.arguments, e = 0; d && e < d.length; e++) {
			0 < e && c.push(", ");
			var f;
			f = d[e];
			switch (typeof f) {
				case "object":
					f = f ? "object" : "null";
					break;
				case "string":
					break;
				case "number":
					f = String(f);
					break;
				case "boolean":
					f = f ? "true" : "false";
					break;
				case "function":
					f = (f = goog.debug.getFunctionName(f)) ? f : "[fn]";
					break;
				default:
					f = typeof f
			}
			40 < f.length && (f = f.substr(0, 40) + "...");
			c.push(f)
		}
		b.push(a);
		c.push(")\n");
		try {
			c.push(goog.debug.getStacktraceHelper_(a.caller, b))
		} catch (g) {
			c.push("[exception trying to get caller]\n")
		}
	} else a ? c.push("[...long stack...]") : c.push("[end]");
	return c.join("")
};
goog.debug.setFunctionResolver = function (a) {
	goog.debug.fnNameResolver_ = a
};
goog.debug.getFunctionName = function (a) {
	if (goog.debug.fnNameCache_[a]) return goog.debug.fnNameCache_[a];
	if (goog.debug.fnNameResolver_) {
		var b = goog.debug.fnNameResolver_(a);
		if (b) return goog.debug.fnNameCache_[a] = b
	}
	a = String(a);
	goog.debug.fnNameCache_[a] || (b = /function ([^\(]+)/.exec(a), goog.debug.fnNameCache_[a] = b ? b[1] : "[Anonymous]");
	return goog.debug.fnNameCache_[a]
};
goog.debug.makeWhitespaceVisible = function (a) {
	return a.replace(/ /g, "[_]").replace(/\f/g, "[f]").replace(/\n/g, "[n]\n").replace(/\r/g, "[r]").replace(/\t/g, "[t]")
};
goog.debug.runtimeType = function (a) {
	return a instanceof Function ? a.displayName || a.name || "unknown type name" : a instanceof Object ? a.constructor.displayName || a.constructor.name || Object.prototype.toString.call(a) : null === a ? "null" : typeof a
};
goog.debug.fnNameCache_ = {};
goog.debug.LogRecord = function (a, b, c, d, e) {
	this.reset(a, b, c, d, e)
};
goog.debug.LogRecord.prototype.sequenceNumber_ = 0;
goog.debug.LogRecord.prototype.exception_ = null;
goog.debug.LogRecord.ENABLE_SEQUENCE_NUMBERS = !0;
goog.debug.LogRecord.nextSequenceNumber_ = 0;
goog.debug.LogRecord.prototype.reset = function (a, b, c, d, e) {
	goog.debug.LogRecord.ENABLE_SEQUENCE_NUMBERS && (this.sequenceNumber_ = "number" == typeof e ? e : goog.debug.LogRecord.nextSequenceNumber_++);
	this.time_ = d || goog.now();
	this.level_ = a;
	this.msg_ = b;
	this.loggerName_ = c;
	delete this.exception_
};
goog.debug.LogRecord.prototype.getLoggerName = function () {
	return this.loggerName_
};
goog.debug.LogRecord.prototype.getException = function () {
	return this.exception_
};
goog.debug.LogRecord.prototype.setException = function (a) {
	this.exception_ = a
};
goog.debug.LogRecord.prototype.setLoggerName = function (a) {
	this.loggerName_ = a
};
goog.debug.LogRecord.prototype.getLevel = function () {
	return this.level_
};
goog.debug.LogRecord.prototype.setLevel = function (a) {
	this.level_ = a
};
goog.debug.LogRecord.prototype.getMessage = function () {
	return this.msg_
};
goog.debug.LogRecord.prototype.setMessage = function (a) {
	this.msg_ = a
};
goog.debug.LogRecord.prototype.getMillis = function () {
	return this.time_
};
goog.debug.LogRecord.prototype.setMillis = function (a) {
	this.time_ = a
};
goog.debug.LogRecord.prototype.getSequenceNumber = function () {
	return this.sequenceNumber_
};
goog.debug.LogBuffer = function () {
	goog.asserts.assert(goog.debug.LogBuffer.isBufferingEnabled(), "Cannot use goog.debug.LogBuffer without defining goog.debug.LogBuffer.CAPACITY.");
	this.clear()
};
goog.debug.LogBuffer.getInstance = function () {
	goog.debug.LogBuffer.instance_ || (goog.debug.LogBuffer.instance_ = new goog.debug.LogBuffer);
	return goog.debug.LogBuffer.instance_
};
goog.debug.LogBuffer.CAPACITY = 0;
goog.debug.LogBuffer.prototype.addRecord = function (a, b, c) {
	var d = (this.curIndex_ + 1) % goog.debug.LogBuffer.CAPACITY;
	this.curIndex_ = d;
	if (this.isFull_) return d = this.buffer_[d], d.reset(a, b, c), d;
	this.isFull_ = d == goog.debug.LogBuffer.CAPACITY - 1;
	return this.buffer_[d] = new goog.debug.LogRecord(a, b, c)
};
goog.debug.LogBuffer.isBufferingEnabled = function () {
	return 0 < goog.debug.LogBuffer.CAPACITY
};
goog.debug.LogBuffer.prototype.clear = function () {
	this.buffer_ = Array(goog.debug.LogBuffer.CAPACITY);
	this.curIndex_ = -1;
	this.isFull_ = !1
};
goog.debug.LogBuffer.prototype.forEachRecord = function (a) {
	var b = this.buffer_;
	if (b[0]) {
		var c = this.curIndex_,
			d = this.isFull_ ? c : -1;
		do d = (d + 1) % goog.debug.LogBuffer.CAPACITY, a(b[d]); while (d != c)
	}
};
goog.debug.Logger = function (a) {
	this.name_ = a;
	this.handlers_ = this.children_ = this.level_ = this.parent_ = null
};
goog.debug.Logger.ROOT_LOGGER_NAME = "";
goog.debug.Logger.ENABLE_HIERARCHY = !0;
goog.debug.Logger.ENABLE_HIERARCHY || (goog.debug.Logger.rootHandlers_ = []);
goog.debug.Logger.Level = function (a, b) {
	this.name = a;
	this.value = b
};
goog.debug.Logger.Level.prototype.toString = function () {
	return this.name
};
goog.debug.Logger.Level.OFF = new goog.debug.Logger.Level("OFF", Infinity);
goog.debug.Logger.Level.SHOUT = new goog.debug.Logger.Level("SHOUT", 1200);
goog.debug.Logger.Level.SEVERE = new goog.debug.Logger.Level("SEVERE", 1E3);
goog.debug.Logger.Level.WARNING = new goog.debug.Logger.Level("WARNING", 900);
goog.debug.Logger.Level.INFO = new goog.debug.Logger.Level("INFO", 800);
goog.debug.Logger.Level.CONFIG = new goog.debug.Logger.Level("CONFIG", 700);
goog.debug.Logger.Level.FINE = new goog.debug.Logger.Level("FINE", 500);
goog.debug.Logger.Level.FINER = new goog.debug.Logger.Level("FINER", 400);
goog.debug.Logger.Level.FINEST = new goog.debug.Logger.Level("FINEST", 300);
goog.debug.Logger.Level.ALL = new goog.debug.Logger.Level("ALL", 0);
goog.debug.Logger.Level.PREDEFINED_LEVELS = [goog.debug.Logger.Level.OFF, goog.debug.Logger.Level.SHOUT, goog.debug.Logger.Level.SEVERE, goog.debug.Logger.Level.WARNING, goog.debug.Logger.Level.INFO, goog.debug.Logger.Level.CONFIG, goog.debug.Logger.Level.FINE, goog.debug.Logger.Level.FINER, goog.debug.Logger.Level.FINEST, goog.debug.Logger.Level.ALL];
goog.debug.Logger.Level.predefinedLevelsCache_ = null;
goog.debug.Logger.Level.createPredefinedLevelsCache_ = function () {
	goog.debug.Logger.Level.predefinedLevelsCache_ = {};
	for (var a = 0, b; b = goog.debug.Logger.Level.PREDEFINED_LEVELS[a]; a++) goog.debug.Logger.Level.predefinedLevelsCache_[b.value] = b, goog.debug.Logger.Level.predefinedLevelsCache_[b.name] = b
};
goog.debug.Logger.Level.getPredefinedLevel = function (a) {
	goog.debug.Logger.Level.predefinedLevelsCache_ || goog.debug.Logger.Level.createPredefinedLevelsCache_();
	return goog.debug.Logger.Level.predefinedLevelsCache_[a] || null
};
goog.debug.Logger.Level.getPredefinedLevelByValue = function (a) {
	goog.debug.Logger.Level.predefinedLevelsCache_ || goog.debug.Logger.Level.createPredefinedLevelsCache_();
	if (a in goog.debug.Logger.Level.predefinedLevelsCache_) return goog.debug.Logger.Level.predefinedLevelsCache_[a];
	for (var b = 0; b < goog.debug.Logger.Level.PREDEFINED_LEVELS.length; ++b) {
		var c = goog.debug.Logger.Level.PREDEFINED_LEVELS[b];
		if (c.value <= a) return c
	}
	return null
};
goog.debug.Logger.getLogger = function (a) {
	return goog.debug.LogManager.getLogger(a)
};
goog.debug.Logger.logToProfilers = function (a) {
	goog.global.console && (goog.global.console.timeStamp ? goog.global.console.timeStamp(a) : goog.global.console.markTimeline && goog.global.console.markTimeline(a));
	goog.global.msWriteProfilerMark && goog.global.msWriteProfilerMark(a)
};
goog.debug.Logger.prototype.getName = function () {
	return this.name_
};
goog.debug.Logger.prototype.addHandler = function (a) {
	goog.debug.LOGGING_ENABLED && (goog.debug.Logger.ENABLE_HIERARCHY ? (this.handlers_ || (this.handlers_ = []), this.handlers_.push(a)) : (goog.asserts.assert(!this.name_, "Cannot call addHandler on a non-root logger when goog.debug.Logger.ENABLE_HIERARCHY is false."), goog.debug.Logger.rootHandlers_.push(a)))
};
goog.debug.Logger.prototype.removeHandler = function (a) {
	if (goog.debug.LOGGING_ENABLED) {
		var b = goog.debug.Logger.ENABLE_HIERARCHY ? this.handlers_ : goog.debug.Logger.rootHandlers_;
		return !!b && goog.array.remove(b, a)
	}
	return !1
};
goog.debug.Logger.prototype.getParent = function () {
	return this.parent_
};
goog.debug.Logger.prototype.getChildren = function () {
	this.children_ || (this.children_ = {});
	return this.children_
};
goog.debug.Logger.prototype.setLevel = function (a) {
	goog.debug.LOGGING_ENABLED && (goog.debug.Logger.ENABLE_HIERARCHY ? this.level_ = a : (goog.asserts.assert(!this.name_, "Cannot call setLevel() on a non-root logger when goog.debug.Logger.ENABLE_HIERARCHY is false."), goog.debug.Logger.rootLevel_ = a))
};
goog.debug.Logger.prototype.getLevel = function () {
	return goog.debug.LOGGING_ENABLED ? this.level_ : goog.debug.Logger.Level.OFF
};
goog.debug.Logger.prototype.getEffectiveLevel = function () {
	if (!goog.debug.LOGGING_ENABLED) return goog.debug.Logger.Level.OFF;
	if (!goog.debug.Logger.ENABLE_HIERARCHY) return goog.debug.Logger.rootLevel_;
	if (this.level_) return this.level_;
	if (this.parent_) return this.parent_.getEffectiveLevel();
	goog.asserts.fail("Root logger has no level set.");
	return null
};
goog.debug.Logger.prototype.isLoggable = function (a) {
	return goog.debug.LOGGING_ENABLED && a.value >= this.getEffectiveLevel().value
};
goog.debug.Logger.prototype.log = function (a, b, c) {
	goog.debug.LOGGING_ENABLED && this.isLoggable(a) && (goog.isFunction(b) && (b = b()), this.doLogRecord_(this.getLogRecord(a, b, c)))
};
goog.debug.Logger.prototype.getLogRecord = function (a, b, c) {
	a = goog.debug.LogBuffer.isBufferingEnabled() ? goog.debug.LogBuffer.getInstance().addRecord(a, b, this.name_) : new goog.debug.LogRecord(a, String(b), this.name_);
	c && a.setException(c);
	return a
};
goog.debug.Logger.prototype.shout = function (a, b) {
	goog.debug.LOGGING_ENABLED && this.log(goog.debug.Logger.Level.SHOUT, a, b)
};
goog.debug.Logger.prototype.severe = function (a, b) {
	goog.debug.LOGGING_ENABLED && this.log(goog.debug.Logger.Level.SEVERE, a, b)
};
goog.debug.Logger.prototype.warning = function (a, b) {
	goog.debug.LOGGING_ENABLED && this.log(goog.debug.Logger.Level.WARNING, a, b)
};
goog.debug.Logger.prototype.info = function (a, b) {
	goog.debug.LOGGING_ENABLED && this.log(goog.debug.Logger.Level.INFO, a, b)
};
goog.debug.Logger.prototype.config = function (a, b) {
	goog.debug.LOGGING_ENABLED && this.log(goog.debug.Logger.Level.CONFIG, a, b)
};
goog.debug.Logger.prototype.fine = function (a, b) {
	goog.debug.LOGGING_ENABLED && this.log(goog.debug.Logger.Level.FINE, a, b)
};
goog.debug.Logger.prototype.finer = function (a, b) {
	goog.debug.LOGGING_ENABLED && this.log(goog.debug.Logger.Level.FINER, a, b)
};
goog.debug.Logger.prototype.finest = function (a, b) {
	goog.debug.LOGGING_ENABLED && this.log(goog.debug.Logger.Level.FINEST, a, b)
};
goog.debug.Logger.prototype.logRecord = function (a) {
	goog.debug.LOGGING_ENABLED && this.isLoggable(a.getLevel()) && this.doLogRecord_(a)
};
goog.debug.Logger.prototype.doLogRecord_ = function (a) {
	goog.debug.Logger.logToProfilers("log:" + a.getMessage());
	if (goog.debug.Logger.ENABLE_HIERARCHY)
		for (var b = this; b;) b.callPublish_(a), b = b.getParent();
	else
		for (var b = 0, c; c = goog.debug.Logger.rootHandlers_[b++];) c(a)
};
goog.debug.Logger.prototype.callPublish_ = function (a) {
	if (this.handlers_)
		for (var b = 0, c; c = this.handlers_[b]; b++) c(a)
};
goog.debug.Logger.prototype.setParent_ = function (a) {
	this.parent_ = a
};
goog.debug.Logger.prototype.addChild_ = function (a, b) {
	this.getChildren()[a] = b
};
goog.debug.LogManager = {};
goog.debug.LogManager.loggers_ = {};
goog.debug.LogManager.rootLogger_ = null;
goog.debug.LogManager.initialize = function () {
	goog.debug.LogManager.rootLogger_ || (goog.debug.LogManager.rootLogger_ = new goog.debug.Logger(goog.debug.Logger.ROOT_LOGGER_NAME), goog.debug.LogManager.loggers_[goog.debug.Logger.ROOT_LOGGER_NAME] = goog.debug.LogManager.rootLogger_, goog.debug.LogManager.rootLogger_.setLevel(goog.debug.Logger.Level.CONFIG))
};
goog.debug.LogManager.getLoggers = function () {
	return goog.debug.LogManager.loggers_
};
goog.debug.LogManager.getRoot = function () {
	goog.debug.LogManager.initialize();
	return goog.debug.LogManager.rootLogger_
};
goog.debug.LogManager.getLogger = function (a) {
	goog.debug.LogManager.initialize();
	return goog.debug.LogManager.loggers_[a] || goog.debug.LogManager.createLogger_(a)
};
goog.debug.LogManager.createFunctionForCatchErrors = function (a) {
	return function (b) {
		(a || goog.debug.LogManager.getRoot()).severe("Error: " + b.message + " (" + b.fileName + " @ Line: " + b.line + ")")
	}
};
goog.debug.LogManager.createLogger_ = function (a) {
	var b = new goog.debug.Logger(a);
	if (goog.debug.Logger.ENABLE_HIERARCHY) {
		var c = a.lastIndexOf("."),
			d = a.substr(0, c),
			c = a.substr(c + 1),
			d = goog.debug.LogManager.getLogger(d);
		d.addChild_(c, b);
		b.setParent_(d)
	}
	return goog.debug.LogManager.loggers_[a] = b
};
goog.log = {};
goog.log.ENABLED = goog.debug.LOGGING_ENABLED;
goog.log.ROOT_LOGGER_NAME = goog.debug.Logger.ROOT_LOGGER_NAME;
goog.log.Logger = goog.debug.Logger;
goog.log.Level = goog.debug.Logger.Level;
goog.log.LogRecord = goog.debug.LogRecord;
goog.log.getLogger = function (a, b) {
	if (goog.log.ENABLED) {
		var c = goog.debug.LogManager.getLogger(a);
		b && c && c.setLevel(b);
		return c
	}
	return null
};
goog.log.addHandler = function (a, b) {
	goog.log.ENABLED && a && a.addHandler(b)
};
goog.log.removeHandler = function (a, b) {
	return goog.log.ENABLED && a ? a.removeHandler(b) : !1
};
goog.log.log = function (a, b, c, d) {
	goog.log.ENABLED && a && a.log(b, c, d)
};
goog.log.error = function (a, b, c) {
	goog.log.ENABLED && a && a.severe(b, c)
};
goog.log.warning = function (a, b, c) {
	goog.log.ENABLED && a && a.warning(b, c)
};
goog.log.info = function (a, b, c) {
	goog.log.ENABLED && a && a.info(b, c)
};
goog.log.fine = function (a, b, c) {
	goog.log.ENABLED && a && a.fine(b, c)
};
goog.string.StringBuffer = function (a, b) {
	null != a && this.append.apply(this, arguments)
};
goog.string.StringBuffer.prototype.buffer_ = "";
goog.string.StringBuffer.prototype.set = function (a) {
	this.buffer_ = "" + a
};
goog.string.StringBuffer.prototype.append = function (a, b, c) {
	this.buffer_ += String(a);
	if (null != b)
		for (var d = 1; d < arguments.length; d++) this.buffer_ += arguments[d];
	return this
};
goog.string.StringBuffer.prototype.clear = function () {
	this.buffer_ = ""
};
goog.string.StringBuffer.prototype.getLength = function () {
	return this.buffer_.length
};
goog.string.StringBuffer.prototype.toString = function () {
	return this.buffer_
};
goog.ui.tree = {};
goog.ui.tree.BaseNode = function (a, b, c) {
	goog.ui.Component.call(this, c);
	this.config_ = b || goog.ui.tree.BaseNode.defaultConfig;
	this.html_ = goog.html.SafeHtml.htmlEscapePreservingNewlines(a);
	this.expanded_ = this.selected_ = !1;
	this.toolTip_ = null;
	this.afterLabelHtml_ = goog.html.SafeHtml.EMPTY;
	this.isUserCollapsible_ = !0;
	this.depth_ = -1
};
goog.inherits(goog.ui.tree.BaseNode, goog.ui.Component);
goog.ui.tree.BaseNode.EventType = {
	BEFORE_EXPAND: "beforeexpand",
	EXPAND: "expand",
	BEFORE_COLLAPSE: "beforecollapse",
	COLLAPSE: "collapse"
};
goog.ui.tree.BaseNode.allNodes = {};
goog.ui.tree.BaseNode.prototype.disposeInternal = function () {
	goog.ui.tree.BaseNode.superClass_.disposeInternal.call(this);
	this.tree && (this.tree.removeNode(this), this.tree = null);
	this.setElementInternal(null)
};
goog.ui.tree.BaseNode.prototype.initAccessibility = function () {
	var a = this.getElement();
	if (a) {
		var b = this.getLabelElement();
		b && !b.id && (b.id = this.getId() + ".label");
		goog.a11y.aria.setRole(a, "treeitem");
		goog.a11y.aria.setState(a, "selected", !1);
		goog.a11y.aria.setState(a, "expanded", !1);
		goog.a11y.aria.setState(a, "level", this.getDepth());
		b && goog.a11y.aria.setState(a, "labelledby", b.id);
		(a = this.getIconElement()) && goog.a11y.aria.setRole(a, "presentation");
		(a = this.getExpandIconElement()) && goog.a11y.aria.setRole(a,
			"presentation");
		if (a = this.getChildrenElement())
			if (goog.a11y.aria.setRole(a, "group"), a.hasChildNodes())
				for (a = this.getChildCount(), b = 1; b <= a; b++) {
					var c = this.getChildAt(b - 1).getElement();
					goog.asserts.assert(c, "The child element cannot be null");
					goog.a11y.aria.setState(c, "setsize", a);
					goog.a11y.aria.setState(c, "posinset", b)
				}
	}
};
goog.ui.tree.BaseNode.prototype.createDom = function () {
	var a = this.getDomHelper().safeHtmlToNode(this.toSafeHtml());
	this.setElementInternal(a)
};
goog.ui.tree.BaseNode.prototype.enterDocument = function () {
	goog.ui.tree.BaseNode.superClass_.enterDocument.call(this);
	goog.ui.tree.BaseNode.allNodes[this.getId()] = this;
	this.initAccessibility()
};
goog.ui.tree.BaseNode.prototype.exitDocument = function () {
	goog.ui.tree.BaseNode.superClass_.exitDocument.call(this);
	delete goog.ui.tree.BaseNode.allNodes[this.getId()]
};
goog.ui.tree.BaseNode.prototype.addChildAt = function (a, b, c) {
	goog.asserts.assert(!a.getParent());
	goog.asserts.assertInstanceof(a, goog.ui.tree.BaseNode);
	c = this.getChildAt(b - 1);
	var d = this.getChildAt(b);
	goog.ui.tree.BaseNode.superClass_.addChildAt.call(this, a, b);
	a.previousSibling_ = c;
	a.nextSibling_ = d;
	c ? c.nextSibling_ = a : this.firstChild_ = a;
	d ? d.previousSibling_ = a : this.lastChild_ = a;
	(b = this.getTree()) && a.setTreeInternal(b);
	a.setDepth_(this.getDepth() + 1);
	if (this.getElement() && (this.updateExpandIcon(), this.getExpanded())) {
		b =
			this.getChildrenElement();
		a.getElement() || a.createDom();
		var e = a.getElement(),
			f = d && d.getElement();
		b.insertBefore(e, f);
		this.isInDocument() && a.enterDocument();
		d || (c ? c.updateExpandIcon() : (goog.style.setElementShown(b, !0), this.setExpanded(this.getExpanded())))
	}
};
goog.ui.tree.BaseNode.prototype.add = function (a, b) {
	goog.asserts.assert(!b || b.getParent() == this, "Can only add nodes before siblings");
	a.getParent() && a.getParent().removeChild(a);
	this.addChildAt(a, b ? this.indexOfChild(b) : this.getChildCount());
	return a
};
goog.ui.tree.BaseNode.prototype.removeChild = function (a, b) {
	var c = this.getTree(),
		d = c ? c.getSelectedItem() : null;
	if (d == a || a.contains(d)) c.hasFocus() ? (this.select(), goog.Timer.callOnce(this.onTimeoutSelect_, 10, this)) : this.select();
	goog.ui.tree.BaseNode.superClass_.removeChild.call(this, a);
	this.lastChild_ == a && (this.lastChild_ = a.previousSibling_);
	this.firstChild_ == a && (this.firstChild_ = a.nextSibling_);
	a.previousSibling_ && (a.previousSibling_.nextSibling_ = a.nextSibling_);
	a.nextSibling_ && (a.nextSibling_.previousSibling_ =
		a.previousSibling_);
	d = a.isLastSibling();
	a.tree = null;
	a.depth_ = -1;
	if (c && (c.removeNode(a), this.isInDocument())) {
		c = this.getChildrenElement();
		if (a.isInDocument()) {
			var e = a.getElement();
			c.removeChild(e);
			a.exitDocument()
		}
		d && (d = this.getLastChild()) && d.updateExpandIcon();
		this.hasChildren() || (c.style.display = "none", this.updateExpandIcon(), this.updateIcon_())
	}
	return a
};
goog.ui.tree.BaseNode.prototype.remove = goog.ui.tree.BaseNode.prototype.removeChild;
goog.ui.tree.BaseNode.prototype.onTimeoutSelect_ = function () {
	this.select()
};
goog.ui.tree.BaseNode.prototype.getTree = goog.abstractMethod;
goog.ui.tree.BaseNode.prototype.getDepth = function () {
	var a = this.depth_;
	0 > a && (a = this.computeDepth_(), this.setDepth_(a));
	return a
};
goog.ui.tree.BaseNode.prototype.computeDepth_ = function () {
	var a = this.getParent();
	return a ? a.getDepth() + 1 : 0
};
goog.ui.tree.BaseNode.prototype.setDepth_ = function (a) {
	if (a != this.depth_) {
		this.depth_ = a;
		var b = this.getRowElement();
		if (b) {
			var c = this.getPixelIndent_() + "px";
			this.isRightToLeft() ? b.style.paddingRight = c : b.style.paddingLeft = c
		}
		this.forEachChild(function (b) {
			b.setDepth_(a + 1)
		})
	}
};
goog.ui.tree.BaseNode.prototype.contains = function (a) {
	for (; a;) {
		if (a == this) return !0;
		a = a.getParent()
	}
	return !1
};
goog.ui.tree.BaseNode.EMPTY_CHILDREN_ = [];
goog.ui.tree.BaseNode.prototype.getChildren = function () {
	var a = [];
	this.forEachChild(function (b) {
		a.push(b)
	});
	return a
};
goog.ui.tree.BaseNode.prototype.getFirstChild = function () {
	return this.getChildAt(0)
};
goog.ui.tree.BaseNode.prototype.getLastChild = function () {
	return this.getChildAt(this.getChildCount() - 1)
};
goog.ui.tree.BaseNode.prototype.getPreviousSibling = function () {
	return this.previousSibling_
};
goog.ui.tree.BaseNode.prototype.getNextSibling = function () {
	return this.nextSibling_
};
goog.ui.tree.BaseNode.prototype.isLastSibling = function () {
	return !this.nextSibling_
};
goog.ui.tree.BaseNode.prototype.isSelected = function () {
	return this.selected_
};
goog.ui.tree.BaseNode.prototype.select = function () {
	var a = this.getTree();
	a && a.setSelectedItem(this)
};
goog.ui.tree.BaseNode.prototype.deselect = goog.nullFunction;
goog.ui.tree.BaseNode.prototype.setSelectedInternal = function (a) {
	if (this.selected_ != a) {
		this.selected_ = a;
		this.updateRow();
		var b = this.getElement();
		b && (goog.a11y.aria.setState(b, "selected", a), a && (a = this.getTree().getElement(), goog.asserts.assert(a, "The DOM element for the tree cannot be null"), goog.a11y.aria.setState(a, "activedescendant", this.getId())))
	}
};
goog.ui.tree.BaseNode.prototype.getExpanded = function () {
	return this.expanded_
};
goog.ui.tree.BaseNode.prototype.setExpandedInternal = function (a) {
	this.expanded_ = a
};
goog.ui.tree.BaseNode.prototype.setExpanded = function (a) {
	var b = a != this.expanded_;
	if (!b || this.dispatchEvent(a ? goog.ui.tree.BaseNode.EventType.BEFORE_EXPAND : goog.ui.tree.BaseNode.EventType.BEFORE_COLLAPSE)) {
		var c;
		this.expanded_ = a;
		c = this.getTree();
		var d = this.getElement();
		if (this.hasChildren()) {
			if (!a && c && this.contains(c.getSelectedItem()) && this.select(), d) {
				if (c = this.getChildrenElement())
					if (goog.style.setElementShown(c, a), a && this.isInDocument() && !c.hasChildNodes()) {
						var e = [];
						this.forEachChild(function (a) {
							e.push(a.toSafeHtml())
						});
						goog.dom.safe.setInnerHtml(c, goog.html.SafeHtml.concat(e));
						this.forEachChild(function (a) {
							a.enterDocument()
						})
					}
				this.updateExpandIcon()
			}
		} else (c = this.getChildrenElement()) && goog.style.setElementShown(c, !1);
		d && (this.updateIcon_(), goog.a11y.aria.setState(d, "expanded", a));
		b && this.dispatchEvent(a ? goog.ui.tree.BaseNode.EventType.EXPAND : goog.ui.tree.BaseNode.EventType.COLLAPSE)
	}
};
goog.ui.tree.BaseNode.prototype.toggle = function () {
	this.setExpanded(!this.getExpanded())
};
goog.ui.tree.BaseNode.prototype.expand = function () {
	this.setExpanded(!0)
};
goog.ui.tree.BaseNode.prototype.collapse = function () {
	this.setExpanded(!1)
};
goog.ui.tree.BaseNode.prototype.collapseChildren = function () {
	this.forEachChild(function (a) {
		a.collapseAll()
	})
};
goog.ui.tree.BaseNode.prototype.collapseAll = function () {
	this.collapseChildren();
	this.collapse()
};
goog.ui.tree.BaseNode.prototype.expandChildren = function () {
	this.forEachChild(function (a) {
		a.expandAll()
	})
};
goog.ui.tree.BaseNode.prototype.expandAll = function () {
	this.expandChildren();
	this.expand()
};
goog.ui.tree.BaseNode.prototype.reveal = function () {
	var a = this.getParent();
	a && (a.setExpanded(!0), a.reveal())
};
goog.ui.tree.BaseNode.prototype.setIsUserCollapsible = function (a) {
	(this.isUserCollapsible_ = a) || this.expand();
	this.getElement() && this.updateExpandIcon()
};
goog.ui.tree.BaseNode.prototype.isUserCollapsible = function () {
	return this.isUserCollapsible_
};
goog.ui.tree.BaseNode.prototype.toSafeHtml = function () {
	var a = this.getTree(),
		b = !a.getShowLines() || a == this.getParent() && !a.getShowRootLines() ? this.config_.cssChildrenNoLines : this.config_.cssChildren,
		a = this.getExpanded() && this.hasChildren(),
		b = {
        	"class": b,
        	style: this.getLineStyle()
		},
		c = [];
	a && this.forEachChild(function (a) {
		c.push(a.toSafeHtml())
	});
	a = goog.html.SafeHtml.create("div", b, c);
	return goog.html.SafeHtml.create("div", {
		"class": this.config_.cssItem,
		id: this.getId()
	}, [this.getRowSafeHtml(), a])
};
goog.ui.tree.BaseNode.prototype.getPixelIndent_ = function () {
	return Math.max(0, (this.getDepth() - 1) * this.config_.indentWidth)
};
goog.ui.tree.BaseNode.prototype.getRowSafeHtml = function () {
	var a = {};
	a["padding-" + (this.isRightToLeft() ? "right" : "left")] = this.getPixelIndent_() + "px";
	var a = {
		"class": this.getRowClassName(),
		style: a
	},
		b = [this.getExpandIconSafeHtml(), this.getIconSafeHtml(), this.getLabelSafeHtml()];
	return goog.html.SafeHtml.create("div", a, b)
};
goog.ui.tree.BaseNode.prototype.getRowClassName = function () {
	var a;
	a = this.isSelected() ? " " + this.config_.cssSelectedRow : "";
	return this.config_.cssTreeRow + a
};
goog.ui.tree.BaseNode.prototype.getLabelSafeHtml = function () {
	var a = goog.html.SafeHtml.create("span", {
		"class": this.config_.cssItemLabel,
		title: this.getToolTip() || null
	}, this.getSafeHtml());
	return goog.html.SafeHtml.concat(a, goog.html.SafeHtml.create("span", {}, this.getAfterLabelSafeHtml()))
};
goog.ui.tree.BaseNode.prototype.getAfterLabelHtml = function () {
	return goog.html.SafeHtml.unwrap(this.getAfterLabelSafeHtml())
};
goog.ui.tree.BaseNode.prototype.getAfterLabelSafeHtml = function () {
	return this.afterLabelHtml_
};
goog.ui.tree.BaseNode.prototype.setAfterLabelSafeHtml = function (a) {
	this.afterLabelHtml_ = a;
	var b = this.getAfterLabelElement();
	b && goog.dom.safe.setInnerHtml(b, a)
};
goog.ui.tree.BaseNode.prototype.getIconSafeHtml = function () {
	return goog.html.SafeHtml.create("span", {
		style: {
			display: "inline-block"
		},
		"class": this.getCalculatedIconClass()
	})
};
goog.ui.tree.BaseNode.prototype.getCalculatedIconClass = goog.abstractMethod;
goog.ui.tree.BaseNode.prototype.getExpandIconSafeHtml = function () {
	return goog.html.SafeHtml.create("span", {
		type: "expand",
		style: {
			display: "inline-block"
		},
		"class": this.getExpandIconClass()
	})
};
goog.ui.tree.BaseNode.prototype.getExpandIconClass = function () {
	var a = this.getTree(),
		b = !a.getShowLines() || a == this.getParent() && !a.getShowRootLines(),
		c = this.config_,
		d = new goog.string.StringBuffer;
	d.append(c.cssTreeIcon, " ", c.cssExpandTreeIcon, " ");
	if (this.hasChildren()) {
		var e = 0;
		a.getShowExpandIcons() && this.isUserCollapsible_ && (e = this.getExpanded() ? 2 : 1);
		b || (e = this.isLastSibling() ? e + 4 : e + 8);
		switch (e) {
			case 1:
				d.append(c.cssExpandTreeIconPlus);
				break;
			case 2:
				d.append(c.cssExpandTreeIconMinus);
				break;
			case 4:
				d.append(c.cssExpandTreeIconL);
				break;
			case 5:
				d.append(c.cssExpandTreeIconLPlus);
				break;
			case 6:
				d.append(c.cssExpandTreeIconLMinus);
				break;
			case 8:
				d.append(c.cssExpandTreeIconT);
				break;
			case 9:
				d.append(c.cssExpandTreeIconTPlus);
				break;
			case 10:
				d.append(c.cssExpandTreeIconTMinus);
				break;
			default:
				d.append(c.cssExpandTreeIconBlank)
		}
	} else b ? d.append(c.cssExpandTreeIconBlank) : this.isLastSibling() ? d.append(c.cssExpandTreeIconL) : d.append(c.cssExpandTreeIconT);
	return d.toString()
};
goog.ui.tree.BaseNode.prototype.getLineStyle = function () {
	var a = this.getExpanded() && this.hasChildren();
	return goog.html.SafeStyle.create({
		"background-position": this.getBackgroundPosition(),
		display: a ? null : "none"
	})
};
goog.ui.tree.BaseNode.prototype.getBackgroundPosition = function () {
	return (this.isLastSibling() ? "-100" : (this.getDepth() - 1) * this.config_.indentWidth) + "px 0"
};
goog.ui.tree.BaseNode.prototype.getElement = function () {
	var a = goog.ui.tree.BaseNode.superClass_.getElement.call(this);
	a || (a = this.getDomHelper().getElement(this.getId()), this.setElementInternal(a));
	return a
};
goog.ui.tree.BaseNode.prototype.getRowElement = function () {
	var a = this.getElement();
	return a ? a.firstChild : null
};
goog.ui.tree.BaseNode.prototype.getExpandIconElement = function () {
	var a = this.getRowElement();
	return a ? a.firstChild : null
};
goog.ui.tree.BaseNode.prototype.getIconElement = function () {
	var a = this.getRowElement();
	return a ? a.childNodes[1] : null
};
goog.ui.tree.BaseNode.prototype.getLabelElement = function () {
	var a = this.getRowElement();
	return a && a.lastChild ? a.lastChild.previousSibling : null
};
goog.ui.tree.BaseNode.prototype.getAfterLabelElement = function () {
	var a = this.getRowElement();
	return a ? a.lastChild : null
};
goog.ui.tree.BaseNode.prototype.getChildrenElement = function () {
	var a = this.getElement();
	return a ? a.lastChild : null
};
goog.ui.tree.BaseNode.prototype.setIconClass = function (a) {
	this.iconClass_ = a;
	this.isInDocument() && this.updateIcon_()
};
goog.ui.tree.BaseNode.prototype.getIconClass = function () {
	return this.iconClass_
};
goog.ui.tree.BaseNode.prototype.setExpandedIconClass = function (a) {
	this.expandedIconClass_ = a;
	this.isInDocument() && this.updateIcon_()
};
goog.ui.tree.BaseNode.prototype.getExpandedIconClass = function () {
	return this.expandedIconClass_
};
goog.ui.tree.BaseNode.prototype.setText = function (a) {
	this.setSafeHtml(goog.html.SafeHtml.htmlEscape(a))
};
goog.ui.tree.BaseNode.prototype.getText = function () {
	return goog.string.unescapeEntities(goog.html.SafeHtml.unwrap(this.html_))
};
goog.ui.tree.BaseNode.prototype.setSafeHtml = function (a) {
	this.html_ = a;
	var b = this.getLabelElement();
	b && goog.dom.safe.setInnerHtml(b, a);
	(a = this.getTree()) && a.setNode(this)
};
goog.ui.tree.BaseNode.prototype.getHtml = function () {
	return goog.html.SafeHtml.unwrap(this.getSafeHtml())
};
goog.ui.tree.BaseNode.prototype.getSafeHtml = function () {
	return this.html_
};
goog.ui.tree.BaseNode.prototype.setToolTip = function (a) {
	this.toolTip_ = a;
	var b = this.getLabelElement();
	b && (b.title = a)
};
goog.ui.tree.BaseNode.prototype.getToolTip = function () {
	return this.toolTip_
};
goog.ui.tree.BaseNode.prototype.updateRow = function () {
	var a = this.getRowElement();
	a && (a.className = this.getRowClassName())
};
goog.ui.tree.BaseNode.prototype.updateExpandIcon = function () {
	var a = this.getExpandIconElement();
	a && (a.className = this.getExpandIconClass());
	if (a = this.getChildrenElement()) a.style.backgroundPosition = this.getBackgroundPosition()
};
goog.ui.tree.BaseNode.prototype.updateIcon_ = function () {
	this.getIconElement().className = this.getCalculatedIconClass()
};
goog.ui.tree.BaseNode.prototype.onMouseDown = function (a) {
	"expand" == a.target.getAttribute("type") && this.hasChildren() ? this.isUserCollapsible_ && this.toggle() : (this.select(), this.updateRow())
};
goog.ui.tree.BaseNode.prototype.onClick_ = goog.events.Event.preventDefault;
goog.ui.tree.BaseNode.prototype.onDoubleClick_ = function (a) {
	"expand" == a.target.getAttribute("type") && this.hasChildren() || this.isUserCollapsible_ && this.toggle()
};
goog.ui.tree.BaseNode.prototype.onKeyDown = function (a) {
	var b = !0;
	switch (a.keyCode) {
		case goog.events.KeyCodes.RIGHT:
			if (a.altKey) break;
			this.hasChildren() && (this.getExpanded() ? this.getFirstChild().select() : this.setExpanded(!0));
			break;
		case goog.events.KeyCodes.LEFT:
			if (a.altKey) break;
			if (this.hasChildren() && this.getExpanded() && this.isUserCollapsible_) this.setExpanded(!1);
			else {
				var c = this.getParent(),
					d = this.getTree();
				c && (d.getShowRootNode() || c != d) && c.select()
			}
			break;
		case goog.events.KeyCodes.DOWN:
			(c = this.getNextShownNode()) &&
			c.select();
			break;
		case goog.events.KeyCodes.UP:
			(c = this.getPreviousShownNode()) && c.select();
			break;
		default:
			b = !1
	}
	b && (a.preventDefault(), (d = this.getTree()) && d.clearTypeAhead());
	return b
};
goog.ui.tree.BaseNode.prototype.getLastShownDescendant = function () {
	return this.getExpanded() && this.hasChildren() ? this.getLastChild().getLastShownDescendant() : this
};
goog.ui.tree.BaseNode.prototype.getNextShownNode = function () {
	if (this.hasChildren() && this.getExpanded()) return this.getFirstChild();
	for (var a = this, b; a != this.getTree() ;) {
		b = a.getNextSibling();
		if (null != b) return b;
		a = a.getParent()
	}
	return null
};
goog.ui.tree.BaseNode.prototype.getPreviousShownNode = function () {
	var a = this.getPreviousSibling();
	if (null != a) return a.getLastShownDescendant();
	var a = this.getParent(),
		b = this.getTree();
	return !b.getShowRootNode() && a == b || this == b ? null : a
};
goog.ui.tree.BaseNode.prototype.getClientData = goog.ui.tree.BaseNode.prototype.getModel;
goog.ui.tree.BaseNode.prototype.setClientData = goog.ui.tree.BaseNode.prototype.setModel;
goog.ui.tree.BaseNode.prototype.getConfig = function () {
	return this.config_
};
goog.ui.tree.BaseNode.prototype.setTreeInternal = function (a) {
	this.tree != a && (this.tree = a, a.setNode(this), this.forEachChild(function (b) {
		b.setTreeInternal(a)
	}))
};
goog.ui.tree.BaseNode.defaultConfig = {
	indentWidth: 19,
	cssRoot: "goog-tree-root goog-tree-item",
	cssHideRoot: "goog-tree-hide-root",
	cssItem: "goog-tree-item",
	cssChildren: "goog-tree-children",
	cssChildrenNoLines: "goog-tree-children-nolines",
	cssTreeRow: "goog-tree-row",
	cssItemLabel: "goog-tree-item-label",
	cssTreeIcon: "goog-tree-icon",
	cssExpandTreeIcon: "goog-tree-expand-icon",
	cssExpandTreeIconPlus: "goog-tree-expand-icon-plus",
	cssExpandTreeIconMinus: "goog-tree-expand-icon-minus",
	cssExpandTreeIconTPlus: "goog-tree-expand-icon-tplus",
	cssExpandTreeIconTMinus: "goog-tree-expand-icon-tminus",
	cssExpandTreeIconLPlus: "goog-tree-expand-icon-lplus",
	cssExpandTreeIconLMinus: "goog-tree-expand-icon-lminus",
	cssExpandTreeIconT: "goog-tree-expand-icon-t",
	cssExpandTreeIconL: "goog-tree-expand-icon-l",
	cssExpandTreeIconBlank: "goog-tree-expand-icon-blank",
	cssExpandedFolderIcon: "goog-tree-expanded-folder-icon",
	cssCollapsedFolderIcon: "goog-tree-collapsed-folder-icon",
	cssFileIcon: "goog-tree-file-icon",
	cssExpandedRootIcon: "goog-tree-expanded-folder-icon",
	cssCollapsedRootIcon: "goog-tree-collapsed-folder-icon",
	cssSelectedRow: "selected"
};
goog.ui.tree.TreeNode = function (a, b, c) {
	goog.ui.tree.BaseNode.call(this, a, b, c)
};
goog.inherits(goog.ui.tree.TreeNode, goog.ui.tree.BaseNode);
goog.ui.tree.TreeNode.prototype.getTree = function () {
	if (this.tree) return this.tree;
	var a = this.getParent();
	return a && (a = a.getTree()) ? (this.setTreeInternal(a), a) : null
};
goog.ui.tree.TreeNode.prototype.getCalculatedIconClass = function () {
	var a = this.getExpanded(),
		b = this.getExpandedIconClass();
	if (a && b) return b;
	b = this.getIconClass();
	if (!a && b) return b;
	b = this.getConfig();
	if (this.hasChildren()) {
		if (a && b.cssExpandedFolderIcon) return b.cssTreeIcon + " " + b.cssExpandedFolderIcon;
		if (!a && b.cssCollapsedFolderIcon) return b.cssTreeIcon + " " + b.cssCollapsedFolderIcon
	} else if (b.cssFileIcon) return b.cssTreeIcon + " " + b.cssFileIcon;
	return ""
};
goog.structs.Trie = function (a) {
	this.value_ = void 0;
	this.childNodes_ = {};
	a && this.setAll(a)
};
goog.structs.Trie.prototype.set = function (a, b) {
	this.setOrAdd_(a, b, !1)
};
goog.structs.Trie.prototype.add = function (a, b) {
	this.setOrAdd_(a, b, !0)
};
goog.structs.Trie.prototype.setOrAdd_ = function (a, b, c) {
	for (var d = this, e = 0; e < a.length; e++) {
		var f = a.charAt(e);
		d.childNodes_[f] || (d.childNodes_[f] = new goog.structs.Trie);
		d = d.childNodes_[f]
	}
	if (c && void 0 !== d.value_) throw Error('The collection already contains the key "' + a + '"');
	d.value_ = b
};
goog.structs.Trie.prototype.setAll = function (a) {
	var b = goog.structs.getKeys(a);
	a = goog.structs.getValues(a);
	for (var c = 0; c < b.length; c++) this.set(b[c], a[c])
};
goog.structs.Trie.prototype.getChildNode_ = function (a) {
	for (var b = this, c = 0; c < a.length; c++) {
		var d = a.charAt(c),
			b = b.childNodes_[d];
		if (!b) return
	}
	return b
};
goog.structs.Trie.prototype.get = function (a) {
	return (a = this.getChildNode_(a)) ? a.value_ : void 0
};
goog.structs.Trie.prototype.getKeyAndPrefixes = function (a, b) {
	var c = this,
		d = {},
		e = b || 0;
	void 0 !== c.value_ && (d[e] = c.value_);
	for (; e < a.length; e++) {
		var f = a.charAt(e);
		if (!(f in c.childNodes_)) break;
		c = c.childNodes_[f];
		void 0 !== c.value_ && (d[e] = c.value_)
	}
	return d
};
goog.structs.Trie.prototype.getValues = function () {
	var a = [];
	this.getValuesInternal_(a);
	return a
};
goog.structs.Trie.prototype.getValuesInternal_ = function (a) {
	void 0 !== this.value_ && a.push(this.value_);
	for (var b in this.childNodes_) this.childNodes_[b].getValuesInternal_(a)
};
goog.structs.Trie.prototype.getKeys = function (a) {
	var b = [];
	if (a) {
		for (var c = this, d = 0; d < a.length; d++) {
			var e = a.charAt(d);
			if (!c.childNodes_[e]) return [];
			c = c.childNodes_[e]
		}
		c.getKeysInternal_(a, b)
	} else this.getKeysInternal_("", b);
	return b
};
goog.structs.Trie.prototype.getKeysInternal_ = function (a, b) {
	void 0 !== this.value_ && b.push(a);
	for (var c in this.childNodes_) this.childNodes_[c].getKeysInternal_(a + c, b)
};
goog.structs.Trie.prototype.containsKey = function (a) {
	return void 0 !== this.get(a)
};
goog.structs.Trie.prototype.containsPrefix = function (a) {
	return 0 == a.length ? !this.isEmpty() : !!this.getChildNode_(a)
};
goog.structs.Trie.prototype.containsValue = function (a) {
	if (this.value_ === a) return !0;
	for (var b in this.childNodes_)
		if (this.childNodes_[b].containsValue(a)) return !0;
	return !1
};
goog.structs.Trie.prototype.clear = function () {
	this.childNodes_ = {};
	this.value_ = void 0
};
goog.structs.Trie.prototype.remove = function (a) {
	for (var b = this, c = [], d = 0; d < a.length; d++) {
		var e = a.charAt(d);
		if (!b.childNodes_[e]) throw Error('The collection does not have the key "' + a + '"');
		c.push([b, e]);
		b = b.childNodes_[e]
	}
	a = b.value_;
	for (delete b.value_; 0 < c.length;)
		if (e = c.pop(), b = e[0], e = e[1], b.childNodes_[e].isEmpty()) delete b.childNodes_[e];
		else break;
	return a
};
goog.structs.Trie.prototype.clone = function () {
	return new goog.structs.Trie(this)
};
goog.structs.Trie.prototype.getCount = function () {
	return goog.structs.getCount(this.getValues())
};
goog.structs.Trie.prototype.isEmpty = function () {
	return void 0 === this.value_ && goog.object.isEmpty(this.childNodes_)
};
goog.ui.tree.TypeAhead = function () {
	this.nodeMap_ = new goog.structs.Trie;
	this.buffer_ = "";
	this.matchingNodes_ = this.matchingLabels_ = null;
	this.matchingNodeIndex_ = this.matchingLabelIndex_ = 0
};
goog.ui.tree.TypeAhead.Offset = {
	DOWN: 1,
	UP: -1
};
goog.ui.tree.TypeAhead.prototype.handleNavigation = function (a) {
	var b = !1;
	switch (a.keyCode) {
		case goog.events.KeyCodes.DOWN:
		case goog.events.KeyCodes.UP:
			a.ctrlKey && (this.jumpTo_(a.keyCode == goog.events.KeyCodes.DOWN ? goog.ui.tree.TypeAhead.Offset.DOWN : goog.ui.tree.TypeAhead.Offset.UP), b = !0);
			break;
		case goog.events.KeyCodes.BACKSPACE:
			a = this.buffer_.length - 1;
			b = !0;
			0 < a ? (this.buffer_ = this.buffer_.substring(0, a), this.jumpToLabel_(this.buffer_)) : 0 == a ? this.buffer_ = "" : b = !1;
			break;
		case goog.events.KeyCodes.ESC:
			this.buffer_ =
				"", b = !0
	}
	return b
};
goog.ui.tree.TypeAhead.prototype.handleTypeAheadChar = function (a) {
	var b = !1;
	a.ctrlKey || a.altKey || (a = String.fromCharCode(a.charCode || a.keyCode).toLowerCase(), goog.string.isUnicodeChar(a) && (" " != a || this.buffer_) && (this.buffer_ += a, b = this.jumpToLabel_(this.buffer_)));
	return b
};
goog.ui.tree.TypeAhead.prototype.setNodeInMap = function (a) {
	var b = a.getText();
	if (b && !goog.string.isEmptyOrWhitespace(goog.string.makeSafe(b))) {
		var b = b.toLowerCase(),
			c = this.nodeMap_.get(b);
		c ? c.push(a) : this.nodeMap_.set(b, [a])
	}
};
goog.ui.tree.TypeAhead.prototype.removeNodeFromMap = function (a) {
	var b = a.getText();
	if (b && !goog.string.isEmptyOrWhitespace(goog.string.makeSafe(b))) {
		var b = b.toLowerCase(),
			c = this.nodeMap_.get(b);
		if (c) {
			for (var d = a.getChildCount(), e = 0; e < d; e++) this.removeNodeFromMap(a.getChildAt(e));
			goog.array.remove(c, a);
			c.length || this.nodeMap_.remove(b)
		}
	}
};
goog.ui.tree.TypeAhead.prototype.jumpToLabel_ = function (a) {
	var b = !1;
	(a = this.nodeMap_.getKeys(a)) && a.length && (this.matchingLabelIndex_ = this.matchingNodeIndex_ = 0, b = this.nodeMap_.get(a[0]), b = this.selectMatchingNode_(b)) && (this.matchingLabels_ = a);
	return b
};
goog.ui.tree.TypeAhead.prototype.jumpTo_ = function (a) {
	var b = !1,
		c = this.matchingLabels_;
	if (c) {
		var b = null,
			d = !1;
		if (this.matchingNodes_) {
			var e = this.matchingNodeIndex_ + a;
			0 <= e && e < this.matchingNodes_.length ? (this.matchingNodeIndex_ = e, b = this.matchingNodes_) : d = !0
		}
		b || (e = this.matchingLabelIndex_ + a, 0 <= e && e < c.length && (this.matchingLabelIndex_ = e), c.length > this.matchingLabelIndex_ && (b = this.nodeMap_.get(c[this.matchingLabelIndex_])), b && b.length && d && (this.matchingNodeIndex_ = a == goog.ui.tree.TypeAhead.Offset.UP ? b.length -
			1 : 0));
		if (b = this.selectMatchingNode_(b)) this.matchingLabels_ = c
	}
	return b
};
goog.ui.tree.TypeAhead.prototype.selectMatchingNode_ = function (a) {
	var b;
	a && (this.matchingNodeIndex_ < a.length && (b = a[this.matchingNodeIndex_], this.matchingNodes_ = a), b && (b.reveal(), b.select()));
	return !!b
};
goog.ui.tree.TypeAhead.prototype.clear = function () {
	this.buffer_ = ""
};
goog.ui.tree.TreeControl = function (a, b, c) {
	goog.ui.tree.BaseNode.call(this, a, b, c);
	this.setExpandedInternal(!0);
	this.setSelectedInternal(!0);
	this.selectedItem_ = this;
	this.typeAhead_ = new goog.ui.tree.TypeAhead;
	this.focusHandler_ = this.keyHandler_ = null;
	this.logger_ = goog.log.getLogger("this");
	this.focused_ = !1;
	this.focusedNode_ = null;
	this.showRootLines_ = this.showRootNode_ = this.showExpandIcons_ = this.showLines_ = !0;
	if (goog.userAgent.IE) try {
		document.execCommand("BackgroundImageCache", !1, !0)
	} catch (d) {
		goog.log.warning(this.logger_,
			"Failed to enable background image cache")
	}
};
goog.inherits(goog.ui.tree.TreeControl, goog.ui.tree.BaseNode);
goog.ui.tree.TreeControl.prototype.getTree = function () {
	return this
};
goog.ui.tree.TreeControl.prototype.getDepth = function () {
	return 0
};
goog.ui.tree.TreeControl.prototype.reveal = function () { };
goog.ui.tree.TreeControl.prototype.handleFocus_ = function (a) {
	this.focused_ = !0;
	goog.dom.classlist.add(goog.asserts.assert(this.getElement()), "focused");
	this.selectedItem_ && this.selectedItem_.select()
};
goog.ui.tree.TreeControl.prototype.handleBlur_ = function (a) {
	this.focused_ = !1;
	goog.dom.classlist.remove(goog.asserts.assert(this.getElement()), "focused")
};
goog.ui.tree.TreeControl.prototype.hasFocus = function () {
	return this.focused_
};
goog.ui.tree.TreeControl.prototype.getExpanded = function () {
	return !this.showRootNode_ || goog.ui.tree.TreeControl.superClass_.getExpanded.call(this)
};
goog.ui.tree.TreeControl.prototype.setExpanded = function (a) {
	this.showRootNode_ ? goog.ui.tree.TreeControl.superClass_.setExpanded.call(this, a) : this.setExpandedInternal(a)
};
goog.ui.tree.TreeControl.prototype.getExpandIconSafeHtml = function () {
	return goog.html.SafeHtml.EMPTY
};
goog.ui.tree.TreeControl.prototype.getIconElement = function () {
	var a = this.getRowElement();
	return a ? a.firstChild : null
};
goog.ui.tree.TreeControl.prototype.getExpandIconElement = function () {
	return null
};
goog.ui.tree.TreeControl.prototype.updateExpandIcon = function () { };
goog.ui.tree.TreeControl.prototype.getRowClassName = function () {
	return goog.ui.tree.TreeControl.superClass_.getRowClassName.call(this) + (this.showRootNode_ ? "" : " " + this.getConfig().cssHideRoot)
};
goog.ui.tree.TreeControl.prototype.getCalculatedIconClass = function () {
	var a = this.getExpanded(),
		b = this.getExpandedIconClass();
	if (a && b) return b;
	b = this.getIconClass();
	if (!a && b) return b;
	b = this.getConfig();
	return a && b.cssExpandedRootIcon ? b.cssTreeIcon + " " + b.cssExpandedRootIcon : !a && b.cssCollapsedRootIcon ? b.cssTreeIcon + " " + b.cssCollapsedRootIcon : ""
};
goog.ui.tree.TreeControl.prototype.setSelectedItem = function (a) {
	if (this.selectedItem_ != a) {
		var b = !1;
		this.selectedItem_ && (b = this.selectedItem_ == this.focusedNode_, this.selectedItem_.setSelectedInternal(!1));
		if (this.selectedItem_ = a) a.setSelectedInternal(!0), b && a.select();
		this.dispatchEvent(goog.events.EventType.CHANGE)
	}
};
goog.ui.tree.TreeControl.prototype.getSelectedItem = function () {
	return this.selectedItem_
};
goog.ui.tree.TreeControl.prototype.setShowLines = function (a) {
	this.showLines_ != a && (this.showLines_ = a, this.isInDocument() && this.updateLinesAndExpandIcons_())
};
goog.ui.tree.TreeControl.prototype.getShowLines = function () {
	return this.showLines_
};
goog.ui.tree.TreeControl.prototype.updateLinesAndExpandIcons_ = function () {
	function a(e) {
		var f = e.getChildrenElement();
		if (f) {
			var g = !c || b == e.getParent() && !d ? e.getConfig().cssChildrenNoLines : e.getConfig().cssChildren;
			f.className = g;
			if (f = e.getExpandIconElement()) f.className = e.getExpandIconClass()
		}
		e.forEachChild(a)
	}
	var b = this,
		c = b.getShowLines(),
		d = b.getShowRootLines();
	a(this)
};
goog.ui.tree.TreeControl.prototype.setShowRootLines = function (a) {
	this.showRootLines_ != a && (this.showRootLines_ = a, this.isInDocument() && this.updateLinesAndExpandIcons_())
};
goog.ui.tree.TreeControl.prototype.getShowRootLines = function () {
	return this.showRootLines_
};
goog.ui.tree.TreeControl.prototype.setShowExpandIcons = function (a) {
	this.showExpandIcons_ != a && (this.showExpandIcons_ = a, this.isInDocument() && this.updateLinesAndExpandIcons_())
};
goog.ui.tree.TreeControl.prototype.getShowExpandIcons = function () {
	return this.showExpandIcons_
};
goog.ui.tree.TreeControl.prototype.setShowRootNode = function (a) {
	if (this.showRootNode_ != a) {
		this.showRootNode_ = a;
		if (this.isInDocument()) {
			var b = this.getRowElement();
			b && (b.className = this.getRowClassName())
		} !a && this.getSelectedItem() == this && this.getFirstChild() && this.setSelectedItem(this.getFirstChild())
	}
};
goog.ui.tree.TreeControl.prototype.getShowRootNode = function () {
	return this.showRootNode_
};
goog.ui.tree.TreeControl.prototype.initAccessibility = function () {
	goog.ui.tree.TreeControl.superClass_.initAccessibility.call(this);
	var a = this.getElement();
	goog.asserts.assert(a, "The DOM element for the tree cannot be null.");
	goog.a11y.aria.setRole(a, "tree");
	goog.a11y.aria.setState(a, "labelledby", this.getLabelElement().id)
};
goog.ui.tree.TreeControl.prototype.enterDocument = function () {
	goog.ui.tree.TreeControl.superClass_.enterDocument.call(this);
	var a = this.getElement();
	a.className = this.getConfig().cssRoot;
	a.setAttribute("hideFocus", "true");
	this.attachEvents_();
	this.initAccessibility()
};
goog.ui.tree.TreeControl.prototype.exitDocument = function () {
	goog.ui.tree.TreeControl.superClass_.exitDocument.call(this);
	this.detachEvents_()
};
goog.ui.tree.TreeControl.prototype.attachEvents_ = function () {
	var a = this.getElement();
	a.tabIndex = 0;
	var b = this.keyHandler_ = new goog.events.KeyHandler(a),
		c = this.focusHandler_ = new goog.events.FocusHandler(a);
	this.getHandler().listen(c, goog.events.FocusHandler.EventType.FOCUSOUT, this.handleBlur_).listen(c, goog.events.FocusHandler.EventType.FOCUSIN, this.handleFocus_).listen(b, goog.events.KeyHandler.EventType.KEY, this.handleKeyEvent).listen(a, goog.events.EventType.MOUSEDOWN, this.handleMouseEvent_).listen(a,
		goog.events.EventType.CLICK, this.handleMouseEvent_).listen(a, goog.events.EventType.DBLCLICK, this.handleMouseEvent_)
};
goog.ui.tree.TreeControl.prototype.detachEvents_ = function () {
	this.keyHandler_.dispose();
	this.keyHandler_ = null;
	this.focusHandler_.dispose();
	this.focusHandler_ = null
};
goog.ui.tree.TreeControl.prototype.handleMouseEvent_ = function (a) {
	goog.log.fine(this.logger_, "Received event " + a.type);
	var b = this.getNodeFromEvent_(a);
	if (b) switch (a.type) {
		case goog.events.EventType.MOUSEDOWN:
			b.onMouseDown(a);
			break;
		case goog.events.EventType.CLICK:
			b.onClick_(a);
			break;
		case goog.events.EventType.DBLCLICK:
			b.onDoubleClick_(a)
	}
};
goog.ui.tree.TreeControl.prototype.handleKeyEvent = function (a) {
	var b;
	(b = this.typeAhead_.handleNavigation(a) || this.selectedItem_ && this.selectedItem_.onKeyDown(a) || this.typeAhead_.handleTypeAheadChar(a)) && a.preventDefault();
	return b
};
goog.ui.tree.TreeControl.prototype.getNodeFromEvent_ = function (a) {
	for (var b = a.target; null != b;) {
		if (a = goog.ui.tree.BaseNode.allNodes[b.id]) return a;
		if (b == this.getElement()) break;
		b = b.parentNode
	}
	return null
};
goog.ui.tree.TreeControl.prototype.createNode = function (a) {
	return new goog.ui.tree.TreeNode(a || goog.html.SafeHtml.EMPTY, this.getConfig(), this.getDomHelper())
};
goog.ui.tree.TreeControl.prototype.setNode = function (a) {
	this.typeAhead_.setNodeInMap(a)
};
goog.ui.tree.TreeControl.prototype.removeNode = function (a) {
	this.typeAhead_.removeNodeFromMap(a)
};
goog.ui.tree.TreeControl.prototype.clearTypeAhead = function () {
	this.typeAhead_.clear()
};
goog.ui.tree.TreeControl.defaultConfig = goog.ui.tree.BaseNode.defaultConfig;
// Copyright 2013 Google Inc.  Apache License 2.0
var Blockly = {
	Blocks: {}
};
// Copyright 2016 Google Inc.  Apache License 2.0
Blockly.Touch = {};
Blockly.Touch.touchIdentifier_ = null;
Blockly.Touch.onTouchUpWrapper_ = null;
Blockly.Touch.TOUCH_MAP = {};
goog.events.BrowserFeature.TOUCH_ENABLED && (Blockly.Touch.TOUCH_MAP = {
	mousedown: ["touchstart"],
	mousemove: ["touchmove"],
	mouseup: ["touchend", "touchcancel"]
});
Blockly.longPid_ = 0;
Blockly.longStart_ = function (a, b) {
	Blockly.longStop_();
	Blockly.longPid_ = setTimeout(function () {
		a.button = 2;
		b.onMouseDown_(a)
	}, Blockly.LONGPRESS)
};
Blockly.longStop_ = function () {
	Blockly.longPid_ && (clearTimeout(Blockly.longPid_), Blockly.longPid_ = 0)
};
Blockly.onMouseUp_ = function (a) {
	a = Blockly.getMainWorkspace();
	a.dragMode_ != Blockly.DRAG_NONE && (Blockly.Touch.clearTouchIdentifier(), Blockly.Css.setCursor(Blockly.Css.Cursor.OPEN), a.dragMode_ = Blockly.DRAG_NONE, Blockly.Touch.onTouchUpWrapper_ && (Blockly.unbindEvent_(Blockly.Touch.onTouchUpWrapper_), Blockly.Touch.onTouchUpWrapper_ = null), Blockly.onMouseMoveWrapper_ && (Blockly.unbindEvent_(Blockly.onMouseMoveWrapper_), Blockly.onMouseMoveWrapper_ = null))
};
Blockly.onMouseMove_ = function (a) {
	var b = Blockly.getMainWorkspace();
	if (b.dragMode_ != Blockly.DRAG_NONE) {
		var c = a.clientX - b.startDragMouseX,
			d = a.clientY - b.startDragMouseY,
			e = b.startDragMetrics,
			f = b.startScrollX + c,
			g = b.startScrollY + d,
			f = Math.min(f, -e.contentLeft),
			g = Math.min(g, -e.contentTop),
			f = Math.max(f, e.viewWidth - e.contentLeft - e.contentWidth),
			g = Math.max(g, e.viewHeight - e.contentTop - e.contentHeight);
		b.scrollbar.set(-f - e.contentLeft, -g - e.contentTop);
		Math.sqrt(c * c + d * d) > Blockly.DRAG_RADIUS && (Blockly.longStop_(),
			b.dragMode_ = Blockly.DRAG_FREE);
		a.stopPropagation();
		a.preventDefault()
	}
};
Blockly.Touch.clearTouchIdentifier = function () {
	Blockly.Touch.touchIdentifier_ = null
};
Blockly.Touch.shouldHandleEvent = function (a) {
	return !Blockly.Touch.isMouseOrTouchEvent(a) || Blockly.Touch.checkTouchIdentifier(a)
};
Blockly.Touch.checkTouchIdentifier = function (a) {
	var b = a.changedTouches && a.changedTouches[0] && void 0 != a.changedTouches[0].identifier && null != a.changedTouches[0].identifier ? a.changedTouches[0].identifier : "mouse";
	return void 0 != Blockly.Touch.touchIdentifier_ && null != Blockly.Touch.touchIdentifier_ ? Blockly.Touch.touchIdentifier_ == b : "mousedown" == a.type || "touchstart" == a.type ? (Blockly.Touch.touchIdentifier_ = b, !0) : !1
};
Blockly.Touch.setClientFromTouch = function (a) {
	if (goog.string.startsWith(a.type, "touch")) {
		var b = a.changedTouches[0];
		a.clientX = b.clientX;
		a.clientY = b.clientY
	}
};
Blockly.Touch.isMouseOrTouchEvent = function (a) {
	return goog.string.startsWith(a.type, "touch") || goog.string.startsWith(a.type, "mouse")
};
Blockly.Touch.splitEventByTouches = function (a) {
	var b = [];
	if (a.changedTouches)
		for (var c = 0; c < a.changedTouches.length; c++) b[c] = {
			type: a.type,
			changedTouches: [a.changedTouches[c]],
			target: a.target,
			stopPropagation: function () {
				a.stopPropagation()
			},
			preventDefault: function () {
				a.preventDefault()
			}
		};
	else b.push(a);
	return b
};
// Copyright 2012 Google Inc.  Apache License 2.0
Blockly.Workspace = function (a) {
	this.id = Blockly.genUid();
	Blockly.Workspace.WorkspaceDB_[this.id] = this;
	this.options = a || {};
	this.RTL = !!this.options.RTL;
	this.horizontalLayout = !!this.options.horizontalLayout;
	this.toolboxPosition = this.options.toolboxPosition;
	this.topBlocks_ = [];
	this.listeners_ = [];
	this.undoStack_ = [];
	this.redoStack_ = [];
	this.blockDB_ = Object.create(null);
	this.variableList = []
};
Blockly.Workspace.prototype.rendered = !1;
Blockly.Workspace.prototype.MAX_UNDO = 1024;
Blockly.Workspace.prototype.dispose = function () {
	this.listeners_.length = 0;
	this.clear();
	delete Blockly.Workspace.WorkspaceDB_[this.id]
};
Blockly.Workspace.SCAN_ANGLE = 3;
Blockly.Workspace.prototype.addTopBlock = function (a) {
	this.topBlocks_.push(a);
	if (this.isFlyout) {
		a = Blockly.Variables.allUsedVariables(a);
		for (var b = 0; b < a.length; b++) -1 == this.variableList.indexOf(a[b]) && this.variableList.push(a[b])
	}
};
Blockly.Workspace.prototype.removeTopBlock = function (a) {
	if (!goog.array.remove(this.topBlocks_, a)) throw "Block not present in workspace's list of top-most blocks.";
};
Blockly.Workspace.prototype.getTopBlocks = function (a) {
	var b = [].concat(this.topBlocks_);
	if (a && 1 < b.length) {
		var c = Math.sin(goog.math.toRadians(Blockly.Workspace.SCAN_ANGLE));
		this.RTL && (c *= -1);
		b.sort(function (a, b) {
			var d = a.getRelativeToSurfaceXY(),
				e = b.getRelativeToSurfaceXY();
			return d.y + c * d.x - (e.y + c * e.x)
		})
	}
	return b
};
Blockly.Workspace.prototype.getAllBlocks = function () {
	for (var a = this.getTopBlocks(!1), b = 0; b < a.length; b++) a.push.apply(a, a[b].getChildren());
	return a
};
Blockly.Workspace.prototype.clear = function () {
	var a = Blockly.Events.getGroup();
	for (a || Blockly.Events.setGroup(!0) ; this.topBlocks_.length;) this.topBlocks_[0].dispose();
	a || Blockly.Events.setGroup(!1);
	this.variableList.length = 0
};
Blockly.Workspace.prototype.updateVariableList = function (a) {
	if (!this.isFlyout) {
		a && (this.variableList.length = 0);
		a = Blockly.Variables.allUsedVariables(this);
		for (var b = 0; b < a.length; b++) this.createVariable(a[b])
	}
};
Blockly.Workspace.prototype.renameVariable = function (a, b) {
	var c = this.variableIndexOf(a),
		d = this.variableIndexOf(b);
	if (-1 != d && this.variableList[d] != b) var e = this.variableList[d];
	Blockly.Events.setGroup(!0);
	for (var f = this.getAllBlocks(), g = 0; g < f.length; g++) f[g].renameVar(a, b), e && f[g].renameVar(e, b);
	Blockly.Events.setGroup(!1);
	c == d || -1 != c && -1 == d ? this.variableList[c] = b : -1 != c && -1 != d ? (this.variableList[d] = b, this.variableList.splice(c, 1)) : (this.variableList.push(b), console.log("Tried to rename an non-existent variable."))
};
Blockly.Workspace.prototype.createVariable = function (a) {
	-1 == this.variableIndexOf(a) && this.variableList.push(a)
};
Blockly.Workspace.prototype.getVariableUses = function (a) {
	for (var b = [], c = this.getAllBlocks(), d = 0; d < c.length; d++) {
		var e = c[d].getVars();
		if (e)
			for (var f = 0; f < e.length; f++) {
				var g = e[f];
				g && Blockly.Names.equals(g, a) && b.push(c[d])
			}
	}
	return b
};
Blockly.Workspace.prototype.deleteVariable = function (a) {
	var b = this,
		c = this.variableIndexOf(a);
	if (-1 != c) {
		for (var d = function () {
				Blockly.Events.setGroup(!0);
				for (var a = 0; a < e.length; a++) e[a].dispose(!0, !1);
				Blockly.Events.setGroup(!1);
				b.variableList.splice(c, 1)
		}, e = this.getVariableUses(a), f = 0, g; g = e[f]; f++)
			if ("procedures_defnoreturn" == g.type || "procedures_defreturn" == g.type) {
				f = g.getFieldValue("NAME");
				Blockly.alert(Blockly.Msg.CANNOT_DELETE_VARIABLE_PROCEDURE.replace("%1", a).replace("%2", f));
				return
			}
		1 < e.length ?
			Blockly.confirm(Blockly.Msg.DELETE_VARIABLE_CONFIRMATION.replace("%1", e.length).replace("%2", a), function (a) {
            	a && d()
			}) : d()
	}
};
Blockly.Workspace.prototype.variableIndexOf = function (a) {
	for (var b = 0, c; c = this.variableList[b]; b++)
		if (Blockly.Names.equals(c, a)) return b;
	return -1
};
Blockly.Workspace.prototype.getWidth = function () {
	return 0
};
Blockly.Workspace.prototype.newBlock = function (a, b) {
	return new Blockly.Block(this, a, b)
};
Blockly.Workspace.prototype.remainingCapacity = function () {
	return isNaN(this.options.maxBlocks) ? Infinity : this.options.maxBlocks - this.getAllBlocks().length
};
Blockly.Workspace.prototype.undo = function (a) {
	var b = a ? this.redoStack_ : this.undoStack_,
		c = a ? this.undoStack_ : this.redoStack_,
		d = b.pop();
	if (d) {
		for (var e = [d]; b.length && d.group && d.group == b[b.length - 1].group;) e.push(b.pop());
		for (b = 0; d = e[b]; b++) c.push(d);
		e = Blockly.Events.filter(e, a);
		Blockly.Events.recordUndo = !1;
		for (b = 0; d = e[b]; b++) d.run(a);
		Blockly.Events.recordUndo = !0
	}
};
Blockly.Workspace.prototype.clearUndo = function () {
	this.undoStack_.length = 0;
	this.redoStack_.length = 0;
	Blockly.Events.clearPendingUndo()
};
Blockly.Workspace.prototype.addChangeListener = function (a) {
	this.listeners_.push(a);
	return a
};
Blockly.Workspace.prototype.removeChangeListener = function (a) {
	goog.array.remove(this.listeners_, a)
};
Blockly.Workspace.prototype.fireChangeListener = function (a) {
	a.recordUndo && (this.undoStack_.push(a), this.redoStack_.length = 0, this.undoStack_.length > this.MAX_UNDO && this.undoStack_.unshift());
	for (var b = 0, c; c = this.listeners_[b]; b++) c(a)
};
Blockly.Workspace.prototype.getBlockById = function (a) {
	return this.blockDB_[a] || null
};
Blockly.Workspace.WorkspaceDB_ = Object.create(null);
Blockly.Workspace.getById = function (a) {
	return Blockly.Workspace.WorkspaceDB_[a] || null
};
Blockly.Workspace.prototype.clear = Blockly.Workspace.prototype.clear;
Blockly.Workspace.prototype.clearUndo = Blockly.Workspace.prototype.clearUndo;
Blockly.Workspace.prototype.addChangeListener = Blockly.Workspace.prototype.addChangeListener;
Blockly.Workspace.prototype.removeChangeListener = Blockly.Workspace.prototype.removeChangeListener;
Blockly.Bubble = function (a, b, c, d, e, f) {
	this.workspace_ = a;
	this.content_ = b;
	this.shape_ = c;
	c = Blockly.Bubble.ARROW_ANGLE;
	this.workspace_.RTL && (c = -c);
	this.arrow_radians_ = goog.math.toRadians(c);
	a.getBubbleCanvas().appendChild(this.createDom_(b, !(!e || !f)));
	this.setAnchorLocation(d);
	e && f || (b = this.content_.getBBox(), e = b.width + 2 * Blockly.Bubble.BORDER_WIDTH, f = b.height + 2 * Blockly.Bubble.BORDER_WIDTH);
	this.setBubbleSize(e, f);
	this.positionBubble_();
	this.renderArrow_();
	this.rendered_ = !0;
	a.options.readOnly || (Blockly.bindEventWithChecks_(this.bubbleBack_,
		"mousedown", this, this.bubbleMouseDown_), this.resizeGroup_ && Blockly.bindEventWithChecks_(this.resizeGroup_, "mousedown", this, this.resizeMouseDown_))
};
Blockly.Bubble.BORDER_WIDTH = 6;
Blockly.Bubble.ARROW_THICKNESS = 5;
Blockly.Bubble.ARROW_ANGLE = 20;
Blockly.Bubble.ARROW_BEND = 4;
Blockly.Bubble.ANCHOR_RADIUS = 8;
Blockly.Bubble.onMouseUpWrapper_ = null;
Blockly.Bubble.onMouseMoveWrapper_ = null;
Blockly.Bubble.prototype.resizeCallback_ = null;
Blockly.Bubble.unbindDragEvents_ = function () {
	Blockly.Bubble.onMouseUpWrapper_ && (Blockly.unbindEvent_(Blockly.Bubble.onMouseUpWrapper_), Blockly.Bubble.onMouseUpWrapper_ = null);
	Blockly.Bubble.onMouseMoveWrapper_ && (Blockly.unbindEvent_(Blockly.Bubble.onMouseMoveWrapper_), Blockly.Bubble.onMouseMoveWrapper_ = null)
};
Blockly.Bubble.bubbleMouseUp_ = function () {
	Blockly.Touch.clearTouchIdentifier();
	Blockly.Css.setCursor(Blockly.Css.Cursor.OPEN);
	Blockly.Bubble.unbindDragEvents_()
};
Blockly.Bubble.prototype.rendered_ = !1;
Blockly.Bubble.prototype.anchorXY_ = null;
Blockly.Bubble.prototype.relativeLeft_ = 0;
Blockly.Bubble.prototype.relativeTop_ = 0;
Blockly.Bubble.prototype.width_ = 0;
Blockly.Bubble.prototype.height_ = 0;
Blockly.Bubble.prototype.autoLayout_ = !0;
Blockly.Bubble.prototype.createDom_ = function (a, b) {
	this.bubbleGroup_ = Blockly.createSvgElement("g", {}, null);
	var c = {
		filter: "url(#" + this.workspace_.options.embossFilterId + ")"
	}; -1 != goog.userAgent.getUserAgentString().indexOf("JavaFX") && (c = {});
	c = Blockly.createSvgElement("g", c, this.bubbleGroup_);
	this.bubbleArrow_ = Blockly.createSvgElement("path", {}, c);
	this.bubbleBack_ = Blockly.createSvgElement("rect", {
		"class": "blocklyDraggable",
		x: 0,
		y: 0,
		rx: Blockly.Bubble.BORDER_WIDTH,
		ry: Blockly.Bubble.BORDER_WIDTH
	}, c);
	b ? (this.resizeGroup_ =
		Blockly.createSvgElement("g", {
        	"class": this.workspace_.RTL ? "blocklyResizeSW" : "blocklyResizeSE"
		}, this.bubbleGroup_), c = 2 * Blockly.Bubble.BORDER_WIDTH, Blockly.createSvgElement("polygon", {
        	points: "0,x x,x x,0".replace(/x/g, c.toString())
		}, this.resizeGroup_), Blockly.createSvgElement("line", {
        	"class": "blocklyResizeLine",
        	x1: c / 3,
        	y1: c - 1,
        	x2: c - 1,
        	y2: c / 3
		}, this.resizeGroup_), Blockly.createSvgElement("line", {
        	"class": "blocklyResizeLine",
        	x1: 2 * c / 3,
        	y1: c - 1,
        	x2: c - 1,
        	y2: 2 * c / 3
		}, this.resizeGroup_)) : this.resizeGroup_ = null;
	this.bubbleGroup_.appendChild(a);
	return this.bubbleGroup_
};
Blockly.Bubble.prototype.bubbleMouseDown_ = function (a) {
	this.promote_();
	Blockly.Bubble.unbindDragEvents_();
	Blockly.isRightButton(a) ? a.stopPropagation() : Blockly.isTargetInput_(a) || (Blockly.Css.setCursor(Blockly.Css.Cursor.CLOSED), this.workspace_.startDrag(a, new goog.math.Coordinate(this.workspace_.RTL ? -this.relativeLeft_ : this.relativeLeft_, this.relativeTop_)), Blockly.Bubble.onMouseUpWrapper_ = Blockly.bindEventWithChecks_(document, "mouseup", this, Blockly.Bubble.bubbleMouseUp_), Blockly.Bubble.onMouseMoveWrapper_ =
		Blockly.bindEventWithChecks_(document, "mousemove", this, this.bubbleMouseMove_), Blockly.hideChaff(), a.stopPropagation())
};
Blockly.Bubble.prototype.bubbleMouseMove_ = function (a) {
	this.autoLayout_ = !1;
	a = this.workspace_.moveDrag(a);
	this.relativeLeft_ = this.workspace_.RTL ? -a.x : a.x;
	this.relativeTop_ = a.y;
	this.positionBubble_();
	this.renderArrow_()
};
Blockly.Bubble.prototype.resizeMouseDown_ = function (a) {
	this.promote_();
	Blockly.Bubble.unbindDragEvents_();
	Blockly.isRightButton(a) || (Blockly.Css.setCursor(Blockly.Css.Cursor.CLOSED), this.workspace_.startDrag(a, new goog.math.Coordinate(this.workspace_.RTL ? -this.width_ : this.width_, this.height_)), Blockly.Bubble.onMouseUpWrapper_ = Blockly.bindEventWithChecks_(document, "mouseup", this, Blockly.Bubble.bubbleMouseUp_), Blockly.Bubble.onMouseMoveWrapper_ = Blockly.bindEventWithChecks_(document, "mousemove", this,
		this.resizeMouseMove_), Blockly.hideChaff());
	a.stopPropagation()
};
Blockly.Bubble.prototype.resizeMouseMove_ = function (a) {
	this.autoLayout_ = !1;
	a = this.workspace_.moveDrag(a);
	this.setBubbleSize(this.workspace_.RTL ? -a.x : a.x, a.y);
	this.workspace_.RTL && this.positionBubble_()
};
Blockly.Bubble.prototype.registerResizeEvent = function (a) {
	this.resizeCallback_ = a
};
Blockly.Bubble.prototype.promote_ = function () {
	this.bubbleGroup_.parentNode.appendChild(this.bubbleGroup_)
};
Blockly.Bubble.prototype.setAnchorLocation = function (a) {
	this.anchorXY_ = a;
	this.rendered_ && this.positionBubble_()
};
Blockly.Bubble.prototype.layoutBubble_ = function () {
	var a = -this.width_ / 4,
		b = -this.height_ - Blockly.BlockSvg.MIN_BLOCK_Y,
		c = this.workspace_.getMetrics();
	c.viewWidth /= this.workspace_.scale;
	c.viewLeft /= this.workspace_.scale;
	var d = this.anchorXY_.x;
	this.workspace_.RTL ? d - c.viewLeft - a - this.width_ < Blockly.Scrollbar.scrollbarThickness ? a = d - c.viewLeft - this.width_ - Blockly.Scrollbar.scrollbarThickness : d - c.viewLeft - a > c.viewWidth && (a = d - c.viewLeft - c.viewWidth) : d + a < c.viewLeft ? a = c.viewLeft - d : c.viewLeft + c.viewWidth < d + a +
		this.width_ + Blockly.BlockSvg.SEP_SPACE_X + Blockly.Scrollbar.scrollbarThickness && (a = c.viewLeft + c.viewWidth - d - this.width_ - Blockly.Scrollbar.scrollbarThickness);
	this.anchorXY_.y + b < c.viewTop && (b = this.shape_.getBBox().height);
	this.relativeLeft_ = a;
	this.relativeTop_ = b
};
Blockly.Bubble.prototype.positionBubble_ = function () {
	var a = this.anchorXY_.x,
		a = this.workspace_.RTL ? a - (this.relativeLeft_ + this.width_) : a + this.relativeLeft_;
	this.bubbleGroup_.setAttribute("transform", "translate(" + a + "," + (this.relativeTop_ + this.anchorXY_.y) + ")")
};
Blockly.Bubble.prototype.getBubbleSize = function () {
	return {
		width: this.width_,
		height: this.height_
	}
};
Blockly.Bubble.prototype.setBubbleSize = function (a, b) {
	var c = 2 * Blockly.Bubble.BORDER_WIDTH;
	a = Math.max(a, c + 45);
	b = Math.max(b, c + 20);
	this.width_ = a;
	this.height_ = b;
	this.bubbleBack_.setAttribute("width", a);
	this.bubbleBack_.setAttribute("height", b);
	this.resizeGroup_ && (this.workspace_.RTL ? this.resizeGroup_.setAttribute("transform", "translate(" + 2 * Blockly.Bubble.BORDER_WIDTH + "," + (b - c) + ") scale(-1 1)") : this.resizeGroup_.setAttribute("transform", "translate(" + (a - c) + "," + (b - c) + ")"));
	this.rendered_ && (this.autoLayout_ &&
		this.layoutBubble_(), this.positionBubble_(), this.renderArrow_());
	this.resizeCallback_ && this.resizeCallback_()
};
Blockly.Bubble.prototype.renderArrow_ = function () {
	var a = [],
		b = this.width_ / 2,
		c = this.height_ / 2,
		d = -this.relativeLeft_,
		e = -this.relativeTop_;
	if (b == d && c == e) a.push("M " + b + "," + c);
	else {
		e -= c;
		d -= b;
		this.workspace_.RTL && (d *= -1);
		var f = Math.sqrt(e * e + d * d),
			g = Math.acos(d / f);
		0 > e && (g = 2 * Math.PI - g);
		var h = g + Math.PI / 2;
		h > 2 * Math.PI && (h -= 2 * Math.PI);
		var k = Math.sin(h),
			m = Math.cos(h),
			p = this.getBubbleSize(),
			h = (p.width + p.height) / Blockly.Bubble.ARROW_THICKNESS,
			h = Math.min(h, p.width, p.height) / 4,
			p = 1 - Blockly.Bubble.ANCHOR_RADIUS / f,
			d = b +
			p * d,
			e = c + p * e,
			p = b + h * m,
			l = c + h * k,
			b = b - h * m,
			c = c - h * k,
			k = g + this.arrow_radians_;
		k > 2 * Math.PI && (k -= 2 * Math.PI);
		g = Math.sin(k) * f / Blockly.Bubble.ARROW_BEND;
		f = Math.cos(k) * f / Blockly.Bubble.ARROW_BEND;
		a.push("M" + p + "," + l);
		a.push("C" + (p + f) + "," + (l + g) + " " + d + "," + e + " " + d + "," + e);
		a.push("C" + d + "," + e + " " + (b + f) + "," + (c + g) + " " + b + "," + c)
	}
	a.push("z");
	this.bubbleArrow_.setAttribute("d", a.join(" "))
};
Blockly.Bubble.prototype.setColour = function (a) {
	this.bubbleBack_.setAttribute("fill", a);
	this.bubbleArrow_.setAttribute("fill", a)
};
Blockly.Bubble.prototype.dispose = function () {
	Blockly.Bubble.unbindDragEvents_();
	goog.dom.removeNode(this.bubbleGroup_);
	this.shape_ = this.content_ = this.workspace_ = this.resizeGroup_ = this.bubbleBack_ = this.bubbleArrow_ = this.bubbleGroup_ = null
};
Blockly.Icon = function (a) {
	this.block_ = a
};
Blockly.Icon.prototype.collapseHidden = !0;
Blockly.Icon.prototype.SIZE = 17;
Blockly.Icon.prototype.bubble_ = null;
Blockly.Icon.prototype.iconXY_ = null;
Blockly.Icon.prototype.createIcon = function () {
	this.iconGroup_ || (this.iconGroup_ = Blockly.createSvgElement("g", {
		"class": "blocklyIconGroup"
	}, null), this.block_.isInFlyout && Blockly.addClass_(this.iconGroup_, "blocklyIconGroupReadonly"), this.drawIcon_(this.iconGroup_), this.block_.getSvgRoot().appendChild(this.iconGroup_), Blockly.bindEventWithChecks_(this.iconGroup_, "mouseup", this, this.iconClick_), this.updateEditable())
};
Blockly.Icon.prototype.dispose = function () {
	goog.dom.removeNode(this.iconGroup_);
	this.iconGroup_ = null;
	this.setVisible(!1);
	this.block_ = null
};
Blockly.Icon.prototype.updateEditable = function () { };
Blockly.Icon.prototype.isVisible = function () {
	return !!this.bubble_
};
Blockly.Icon.prototype.iconClick_ = function (a) {
	this.block_.workspace.isDragging() || this.block_.isInFlyout || Blockly.isRightButton(a) || this.setVisible(!this.isVisible())
};
Blockly.Icon.prototype.updateColour = function () {
	this.isVisible() && this.bubble_.setColour(this.block_.getColour())
};
Blockly.Icon.prototype.renderIcon = function (a) {
	if (this.collapseHidden && this.block_.isCollapsed()) return this.iconGroup_.setAttribute("display", "none"), a;
	this.iconGroup_.setAttribute("display", "block");
	var b = this.SIZE;
	this.block_.RTL && (a -= b);
	this.iconGroup_.setAttribute("transform", "translate(" + a + ",5)");
	this.computeIconLocation();
	return a = this.block_.RTL ? a - Blockly.BlockSvg.SEP_SPACE_X : a + (b + Blockly.BlockSvg.SEP_SPACE_X)
};
Blockly.Icon.prototype.setIconLocation = function (a) {
	this.iconXY_ = a;
	this.isVisible() && this.bubble_.setAnchorLocation(a)
};
Blockly.Icon.prototype.computeIconLocation = function () {
	var a = this.block_.getRelativeToSurfaceXY(),
		b = Blockly.getRelativeXY_(this.iconGroup_),
		a = new goog.math.Coordinate(a.x + b.x + this.SIZE / 2, a.y + b.y + this.SIZE / 2);
	goog.math.Coordinate.equals(this.getIconLocation(), a) || this.setIconLocation(a)
};
Blockly.Icon.prototype.getIconLocation = function () {
	return this.iconXY_
};
// Copyright 2011 Google Inc.  Apache License 2.0
Blockly.Comment = function (a) {
	Blockly.Comment.superClass_.constructor.call(this, a);
	this.createIcon()
};
goog.inherits(Blockly.Comment, Blockly.Icon);
Blockly.Comment.prototype.text_ = "";
Blockly.Comment.prototype.width_ = 160;
Blockly.Comment.prototype.height_ = 80;
Blockly.Comment.prototype.drawIcon_ = function (a) {
	Blockly.createSvgElement("circle", {
		"class": "blocklyIconShape",
		r: "8",
		cx: "8",
		cy: "8"
	}, a);
	Blockly.createSvgElement("path", {
		"class": "blocklyIconSymbol",
		d: "m6.8,10h2c0.003,-0.617 0.271,-0.962 0.633,-1.266 2.875,-2.405 0.607,-5.534 -3.765,-3.874v1.7c3.12,-1.657 3.698,0.118 2.336,1.25 -1.201,0.998 -1.201,1.528 -1.204,2.19z"
	}, a);
	Blockly.createSvgElement("rect", {
		"class": "blocklyIconSymbol",
		x: "6.8",
		y: "10.78",
		height: "2",
		width: "2"
	}, a)
};
Blockly.Comment.prototype.createEditor_ = function () {
	this.foreignObject_ = Blockly.createSvgElement("foreignObject", {
		x: Blockly.Bubble.BORDER_WIDTH,
		y: Blockly.Bubble.BORDER_WIDTH
	}, null);
	var a = document.createElementNS(Blockly.HTML_NS, "body");
	a.setAttribute("xmlns", Blockly.HTML_NS);
	a.className = "blocklyMinimalBody";
	var b = document.createElementNS(Blockly.HTML_NS, "textarea");
	b.className = "blocklyCommentTextarea";
	b.setAttribute("dir", this.block_.RTL ? "RTL" : "LTR");
	a.appendChild(b);
	this.textarea_ = b;
	this.foreignObject_.appendChild(a);
	Blockly.bindEventWithChecks_(b, "mouseup", this, this.textareaFocus_);
	Blockly.bindEventWithChecks_(b, "wheel", this, function (a) {
		a.stopPropagation()
	});
	Blockly.bindEventWithChecks_(b, "change", this, function (a) {
		this.text_ != b.value && (Blockly.Events.fire(new Blockly.Events.Change(this.block_, "comment", null, this.text_, b.value)), this.text_ = b.value)
	});
	setTimeout(function () {
		b.focus()
	}, 0);
	return this.foreignObject_
};
Blockly.Comment.prototype.updateEditable = function () {
	this.isVisible() && (this.setVisible(!1), this.setVisible(!0));
	Blockly.Icon.prototype.updateEditable.call(this)
};
Blockly.Comment.prototype.resizeBubble_ = function () {
	if (this.isVisible()) {
		var a = this.bubble_.getBubbleSize(),
			b = 2 * Blockly.Bubble.BORDER_WIDTH;
		this.foreignObject_.setAttribute("width", a.width - b);
		this.foreignObject_.setAttribute("height", a.height - b);
		this.textarea_.style.width = a.width - b - 4 + "px";
		this.textarea_.style.height = a.height - b - 4 + "px"
	}
};
Blockly.Comment.prototype.setVisible = function (a) {
	if (a != this.isVisible())
		if (Blockly.Events.fire(new Blockly.Events.Ui(this.block_, "commentOpen", !a, a)), !this.block_.isEditable() && !this.textarea_ || goog.userAgent.IE) Blockly.Warning.prototype.setVisible.call(this, a);
		else {
			var b = this.getText(),
				c = this.getBubbleSize();
			a ? (this.bubble_ = new Blockly.Bubble(this.block_.workspace, this.createEditor_(), this.block_.svgPath_, this.iconXY_, this.width_, this.height_), this.bubble_.registerResizeEvent(this.resizeBubble_.bind(this)),
				this.updateColour()) : (this.bubble_.dispose(), this.foreignObject_ = this.textarea_ = this.bubble_ = null);
			this.setText(b);
			this.setBubbleSize(c.width, c.height)
		}
};
Blockly.Comment.prototype.textareaFocus_ = function (a) {
	this.bubble_.promote_();
	this.textarea_.focus()
};
Blockly.Comment.prototype.getBubbleSize = function () {
	return this.isVisible() ? this.bubble_.getBubbleSize() : {
		width: this.width_,
		height: this.height_
	}
};
Blockly.Comment.prototype.setBubbleSize = function (a, b) {
	this.textarea_ ? this.bubble_.setBubbleSize(a, b) : (this.width_ = a, this.height_ = b)
};
Blockly.Comment.prototype.getText = function () {
	return this.textarea_ ? this.textarea_.value : this.text_
};
Blockly.Comment.prototype.setText = function (a) {
	this.text_ != a && (Blockly.Events.fire(new Blockly.Events.Change(this.block_, "comment", null, this.text_, a)), this.text_ = a);
	this.textarea_ && (this.textarea_.value = a)
};
Blockly.Comment.prototype.dispose = function () {
	Blockly.Events.isEnabled() && this.setText("");
	this.block_.comment = null;
	Blockly.Icon.prototype.dispose.call(this)
};
Blockly.Connection = function (a, b) {
	this.sourceBlock_ = a;
	this.type = b;
	a.workspace.connectionDBList && (this.db_ = a.workspace.connectionDBList[b], this.dbOpposite_ = a.workspace.connectionDBList[Blockly.OPPOSITE_TYPE[b]], this.hidden_ = !this.db_)
};
Blockly.Connection.CAN_CONNECT = 0;
Blockly.Connection.REASON_SELF_CONNECTION = 1;
Blockly.Connection.REASON_WRONG_TYPE = 2;
Blockly.Connection.REASON_TARGET_NULL = 3;
Blockly.Connection.REASON_CHECKS_FAILED = 4;
Blockly.Connection.REASON_DIFFERENT_WORKSPACES = 5;
Blockly.Connection.REASON_SHADOW_PARENT = 6;
Blockly.Connection.prototype.targetConnection = null;
Blockly.Connection.prototype.check_ = null;
Blockly.Connection.prototype.shadowDom_ = null;
Blockly.Connection.prototype.x_ = 0;
Blockly.Connection.prototype.y_ = 0;
Blockly.Connection.prototype.inDB_ = !1;
Blockly.Connection.prototype.db_ = null;
Blockly.Connection.prototype.dbOpposite_ = null;
Blockly.Connection.prototype.hidden_ = null;
Blockly.Connection.prototype.connect_ = function (a) {
	var b = this,
		c = b.getSourceBlock(),
		d = a.getSourceBlock();
	a.isConnected() && a.disconnect();
	if (b.isConnected()) {
		var e = b.targetBlock(),
			f = b.getShadowDom();
		b.setShadowDom(null);
		if (e.isShadow()) f = Blockly.Xml.blockToDom(e), e.dispose(), e = null;
		else if (b.type == Blockly.INPUT_VALUE) {
			if (!e.outputConnection) throw "Orphan block does not have an output connection.";
			var g = Blockly.Connection.lastConnectionInRow_(d, e);
			g && (e.outputConnection.connect(g), e = null)
		} else if (b.type ==
			Blockly.NEXT_STATEMENT) {
			if (!e.previousConnection) throw "Orphan block does not have a previous connection.";
			for (g = d; g.nextConnection;) {
				var h = g.getNextBlock();
				if (h && !h.isShadow()) g = h;
				else {
					e.previousConnection.checkType_(g.nextConnection) && (g.nextConnection.connect(e.previousConnection), e = null);
					break
				}
			}
		}
		if (e && (b.disconnect(), Blockly.Events.recordUndo)) {
			var k = Blockly.Events.getGroup();
			setTimeout(function () {
				e.workspace && !e.getParent() && (Blockly.Events.setGroup(k), e.outputConnection ? e.outputConnection.bumpAwayFrom_(b) :
					e.previousConnection && e.previousConnection.bumpAwayFrom_(b), Blockly.Events.setGroup(!1))
			}, Blockly.BUMP_DELAY)
		}
		b.setShadowDom(f)
	}
	var m;
	Blockly.Events.isEnabled() && (m = new Blockly.Events.Move(d));
	Blockly.Connection.connectReciprocally_(b, a);
	d.setParent(c);
	m && (m.recordNew(), Blockly.Events.fire(m))
};
Blockly.Connection.prototype.dispose = function () {
	if (this.isConnected()) throw "Disconnect connection before disposing of it.";
	this.inDB_ && this.db_.removeConnection_(this);
	Blockly.highlightedConnection_ == this && (Blockly.highlightedConnection_ = null);
	Blockly.localConnection_ == this && (Blockly.localConnection_ = null);
	this.dbOpposite_ = this.db_ = null
};
Blockly.Connection.prototype.getSourceBlock = function () {
	return this.sourceBlock_
};
Blockly.Connection.prototype.isSuperior = function () {
	return this.type == Blockly.INPUT_VALUE || this.type == Blockly.NEXT_STATEMENT
};
Blockly.Connection.prototype.isConnected = function () {
	return !!this.targetConnection
};
Blockly.Connection.prototype.canConnectWithReason_ = function (a) {
	if (!a) return Blockly.Connection.REASON_TARGET_NULL;
	if (this.isSuperior()) var b = this.sourceBlock_,
		c = a.getSourceBlock();
	else c = this.sourceBlock_, b = a.getSourceBlock();
	return b && b == c ? Blockly.Connection.REASON_SELF_CONNECTION : a.type != Blockly.OPPOSITE_TYPE[this.type] ? Blockly.Connection.REASON_WRONG_TYPE : b && c && b.workspace !== c.workspace ? Blockly.Connection.REASON_DIFFERENT_WORKSPACES : this.checkType_(a) ? b.isShadow() && !c.isShadow() ? Blockly.Connection.REASON_SHADOW_PARENT :
		Blockly.Connection.CAN_CONNECT : Blockly.Connection.REASON_CHECKS_FAILED
};
Blockly.Connection.prototype.checkConnection_ = function (a) {
	switch (this.canConnectWithReason_(a)) {
		case Blockly.Connection.CAN_CONNECT:
			break;
		case Blockly.Connection.REASON_SELF_CONNECTION:
			throw "Attempted to connect a block to itself.";
		case Blockly.Connection.REASON_DIFFERENT_WORKSPACES:
			throw "Blocks not on same workspace.";
		case Blockly.Connection.REASON_WRONG_TYPE:
			throw "Attempt to connect incompatible types.";
		case Blockly.Connection.REASON_TARGET_NULL:
			throw "Target connection is null.";
		case Blockly.Connection.REASON_CHECKS_FAILED:
			throw "Connection checks failed.";
		case Blockly.Connection.REASON_SHADOW_PARENT:
			throw "Connecting non-shadow to shadow block.";
		default:
			throw "Unknown connection failure: this should never happen!";
	}
};
Blockly.Connection.prototype.isConnectionAllowed = function (a) {
	if (this.canConnectWithReason_(a) != Blockly.Connection.CAN_CONNECT) return !1;
	if (a.type == Blockly.OUTPUT_VALUE || a.type == Blockly.PREVIOUS_STATEMENT)
		if (a.isConnected() || this.isConnected()) return !1;
	return a.type == Blockly.INPUT_VALUE && a.isConnected() && !a.targetBlock().isMovable() && !a.targetBlock().isShadow() || this.type == Blockly.PREVIOUS_STATEMENT && a.isConnected() && !this.sourceBlock_.nextConnection && !a.targetBlock().isShadow() && a.targetBlock().nextConnection ||
		-1 != Blockly.draggingConnections_.indexOf(a) ? !1 : !0
};
Blockly.Connection.prototype.connect = function (a) {
	this.targetConnection != a && (this.checkConnection_(a), this.isSuperior() ? this.connect_(a) : a.connect_(this))
};
Blockly.Connection.connectReciprocally_ = function (a, b) {
	goog.asserts.assert(a && b, "Cannot connect null connections.");
	a.targetConnection = b;
	b.targetConnection = a
};
Blockly.Connection.singleConnection_ = function (a, b) {
	for (var c = !1, d = 0; d < a.inputList.length; d++) {
		var e = a.inputList[d].connection;
		if (e && e.type == Blockly.INPUT_VALUE && b.outputConnection.checkType_(e)) {
			if (c) return null;
			c = e
		}
	}
	return c
};
Blockly.Connection.lastConnectionInRow_ = function (a, b) {
	for (var c = a, d; d = Blockly.Connection.singleConnection_(c, b) ;)
		if (c = d.targetBlock(), !c || c.isShadow()) return d;
	return null
};
Blockly.Connection.prototype.disconnect = function () {
	var a = this.targetConnection;
	goog.asserts.assert(a, "Source connection not connected.");
	goog.asserts.assert(a.targetConnection == this, "Target connection not connected to source connection.");
	var b, c;
	this.isSuperior() ? (b = this.sourceBlock_, c = a.getSourceBlock(), a = this) : (b = a.getSourceBlock(), c = this.sourceBlock_);
	this.disconnectInternal_(b, c);
	a.respawnShadow_()
};
Blockly.Connection.prototype.disconnectInternal_ = function (a, b) {
	var c;
	Blockly.Events.isEnabled() && (c = new Blockly.Events.Move(b));
	this.targetConnection = this.targetConnection.targetConnection = null;
	b.setParent(null);
	c && (c.recordNew(), Blockly.Events.fire(c))
};
Blockly.Connection.prototype.respawnShadow_ = function () {
	var a = this.getSourceBlock(),
		b = this.getShadowDom();
	if (a.workspace && b && Blockly.Events.recordUndo)
		if (a = Blockly.Xml.domToBlock(b, a.workspace), a.outputConnection) this.connect(a.outputConnection);
		else if (a.previousConnection) this.connect(a.previousConnection);
		else throw "Child block does not have output or previous statement.";
};
Blockly.Connection.prototype.targetBlock = function () {
	return this.isConnected() ? this.targetConnection.getSourceBlock() : null
};
Blockly.Connection.prototype.checkType_ = function (a) {
	if (!this.check_ || !a.check_) return !0;
	for (var b = 0; b < this.check_.length; b++)
		if (-1 != a.check_.indexOf(this.check_[b])) return !0;
	return !1
};
Blockly.Connection.prototype.setCheck = function (a) {
	a ? (goog.isArray(a) || (a = [a]), this.check_ = a, this.isConnected() && !this.checkType_(this.targetConnection) && ((this.isSuperior() ? this.targetBlock() : this.sourceBlock_).unplug(), this.sourceBlock_.bumpNeighbours_())) : this.check_ = null;
	return this
};
Blockly.Connection.prototype.setShadowDom = function (a) {
	this.shadowDom_ = a
};
Blockly.Connection.prototype.getShadowDom = function () {
	return this.shadowDom_
};
Blockly.Field = function (a, b) {
	this.size_ = new goog.math.Size(0, 25);
	this.setValue(a);
	this.setValidator(b)
};
Blockly.Field.cacheWidths_ = null;
Blockly.Field.cacheReference_ = 0;
Blockly.Field.prototype.name = void 0;
Blockly.Field.prototype.maxDisplayLength = 50;
Blockly.Field.prototype.text_ = "";
Blockly.Field.prototype.sourceBlock_ = null;
Blockly.Field.prototype.visible_ = !0;
Blockly.Field.prototype.validator_ = null;
Blockly.Field.NBSP = "\u00a0";
Blockly.Field.prototype.EDITABLE = !0;
Blockly.Field.prototype.setSourceBlock = function (a) {
	goog.asserts.assert(!this.sourceBlock_, "Field already bound to a block.");
	this.sourceBlock_ = a
};
Blockly.Field.prototype.init = function () {
	this.fieldGroup_ || (this.fieldGroup_ = Blockly.createSvgElement("g", {}, null), this.visible_ || (this.fieldGroup_.style.display = "none"), this.borderRect_ = Blockly.createSvgElement("rect", {
		rx: 4,
		ry: 4,
		x: -Blockly.BlockSvg.SEP_SPACE_X / 2,
		y: 0,
		height: 16
	}, this.fieldGroup_, this.sourceBlock_.workspace), this.textElement_ = Blockly.createSvgElement("text", {
		"class": "blocklyText",
		y: this.size_.height - 12.5
	}, this.fieldGroup_), this.updateEditable(), this.sourceBlock_.getSvgRoot().appendChild(this.fieldGroup_),
		this.mouseUpWrapper_ = Blockly.bindEventWithChecks_(this.fieldGroup_, "mouseup", this, this.onMouseUp_), this.updateTextNode_())
};
Blockly.Field.prototype.dispose = function () {
	this.mouseUpWrapper_ && (Blockly.unbindEvent_(this.mouseUpWrapper_), this.mouseUpWrapper_ = null);
	this.sourceBlock_ = null;
	goog.dom.removeNode(this.fieldGroup_);
	this.validator_ = this.borderRect_ = this.textElement_ = this.fieldGroup_ = null
};
Blockly.Field.prototype.updateEditable = function () {
	var a = this.fieldGroup_;
	this.EDITABLE && a && (this.sourceBlock_.isEditable() ? (Blockly.addClass_(a, "blocklyEditableText"), Blockly.removeClass_(a, "blocklyNonEditableText"), this.fieldGroup_.style.cursor = this.CURSOR) : (Blockly.addClass_(a, "blocklyNonEditableText"), Blockly.removeClass_(a, "blocklyEditableText"), this.fieldGroup_.style.cursor = ""))
};
Blockly.Field.prototype.isVisible = function () {
	return this.visible_
};
Blockly.Field.prototype.setVisible = function (a) {
	if (this.visible_ != a) {
		this.visible_ = a;
		var b = this.getSvgRoot();
		b && (b.style.display = a ? "block" : "none", this.render_())
	}
};
Blockly.Field.prototype.setValidator = function (a) {
	this.validator_ = a
};
Blockly.Field.prototype.getValidator = function () {
	return this.validator_
};
Blockly.Field.prototype.classValidator = function (a) {
	return a
};
Blockly.Field.prototype.callValidator = function (a) {
	var b = this.classValidator(a);
	if (null === b) return null;
	void 0 !== b && (a = b);
	if (b = this.getValidator()) {
		b = b.call(this, a);
		if (null === b) return null;
		void 0 !== b && (a = b)
	}
	return a
};
Blockly.Field.prototype.getSvgRoot = function () {
	return this.fieldGroup_
};
Blockly.Field.prototype.render_ = function () {
	if (this.visible_ && this.textElement_) {
		var a = this.textElement_.textContent + "\n" + this.textElement_.className.baseVal;
		if (Blockly.Field.cacheWidths_ && Blockly.Field.cacheWidths_[a]) var b = Blockly.Field.cacheWidths_[a];
		else {
			try {
				b = this.textElement_.getComputedTextLength()
			} catch (c) {
				b = 8 * this.textElement_.textContent.length
			}
			Blockly.Field.cacheWidths_ && (Blockly.Field.cacheWidths_[a] = b)
		}
		this.borderRect_ && this.borderRect_.setAttribute("width", b + Blockly.BlockSvg.SEP_SPACE_X)
	} else b =
		0;
	this.size_.width = b
};
Blockly.Field.startCache = function () {
	Blockly.Field.cacheReference_++;
	Blockly.Field.cacheWidths_ || (Blockly.Field.cacheWidths_ = {})
};
Blockly.Field.stopCache = function () {
	Blockly.Field.cacheReference_--;
	Blockly.Field.cacheReference_ || (Blockly.Field.cacheWidths_ = null)
};
Blockly.Field.prototype.getSize = function () {
	this.size_.width || this.render_();
	return this.size_
};
Blockly.Field.prototype.getScaledBBox_ = function () {
	var a = this.borderRect_.getBBox();
	return new goog.math.Size(a.width * this.sourceBlock_.workspace.scale, a.height * this.sourceBlock_.workspace.scale)
};
Blockly.Field.prototype.getText = function () {
	return this.text_
};
Blockly.Field.prototype.setText = function (a) {
	null !== a && (a = String(a), a !== this.text_ && (this.text_ = a, this.updateTextNode_(), this.sourceBlock_ && this.sourceBlock_.rendered && (this.sourceBlock_.render(), this.sourceBlock_.bumpNeighbours_())))
};
Blockly.Field.prototype.updateTextNode_ = function () {
	if (this.textElement_) {
		var a = this.text_;
		a.length > this.maxDisplayLength && (a = a.substring(0, this.maxDisplayLength - 2) + "\u2026");
		a = a.replace(/\s/g, Blockly.Field.NBSP);
		this.sourceBlock_.RTL && a && (a += "\u200f");
		a || (a = Blockly.Field.NBSP);
		goog.dom.removeChildren(this.textElement_);
		a = document.createTextNode(a);
		this.textElement_.appendChild(a);
		this.size_.width = 0
	}
};
Blockly.Field.prototype.getValue = function () {
	return this.getText()
};
Blockly.Field.prototype.setValue = function (a) {
	if (null !== a) {
		var b = this.getValue();
		b != a && (this.sourceBlock_ && Blockly.Events.isEnabled() && Blockly.Events.fire(new Blockly.Events.Change(this.sourceBlock_, "field", this.name, b, a)), this.setText(a))
	}
};
Blockly.Field.prototype.onMouseUp_ = function (a) {
	if (!goog.userAgent.IPHONE && !goog.userAgent.IPAD || goog.userAgent.isVersionOrHigher("537.51.2") || 0 === a.layerX || 0 === a.layerY) Blockly.isRightButton(a) || this.sourceBlock_.workspace.isDragging() || this.sourceBlock_.isEditable() && this.showEditor_()
};
Blockly.Field.prototype.setTooltip = function (a) { };
Blockly.Field.prototype.getAbsoluteXY_ = function () {
	return goog.style.getPageOffset(this.borderRect_)
};
Blockly.Tooltip = {};
Blockly.Tooltip.visible = !1;
Blockly.Tooltip.LIMIT = 50;
Blockly.Tooltip.mouseOutPid_ = 0;
Blockly.Tooltip.showPid_ = 0;
Blockly.Tooltip.lastX_ = 0;
Blockly.Tooltip.lastY_ = 0;
Blockly.Tooltip.element_ = null;
Blockly.Tooltip.poisonedElement_ = null;
Blockly.Tooltip.OFFSET_X = 0;
Blockly.Tooltip.OFFSET_Y = 10;
Blockly.Tooltip.RADIUS_OK = 10;
Blockly.Tooltip.HOVER_MS = 750;
Blockly.Tooltip.MARGINS = 5;
Blockly.Tooltip.DIV = null;
Blockly.Tooltip.createDom = function () {
	Blockly.Tooltip.DIV || (Blockly.Tooltip.DIV = goog.dom.createDom("DIV", "blocklyTooltipDiv"), document.body.appendChild(Blockly.Tooltip.DIV))
};
Blockly.Tooltip.bindMouseEvents = function (a) {
	Blockly.bindEvent_(a, "mouseover", null, Blockly.Tooltip.onMouseOver_);
	Blockly.bindEvent_(a, "mouseout", null, Blockly.Tooltip.onMouseOut_);
	a.addEventListener("mousemove", Blockly.Tooltip.onMouseMove_, !1)
};
Blockly.Tooltip.onMouseOver_ = function (a) {
	for (a = a.target; !goog.isString(a.tooltip) && !goog.isFunction(a.tooltip) ;) a = a.tooltip;
	Blockly.Tooltip.element_ != a && (Blockly.Tooltip.hide(), Blockly.Tooltip.poisonedElement_ = null, Blockly.Tooltip.element_ = a);
	clearTimeout(Blockly.Tooltip.mouseOutPid_)
};
Blockly.Tooltip.onMouseOut_ = function (a) {
	Blockly.Tooltip.mouseOutPid_ = setTimeout(function () {
		Blockly.Tooltip.element_ = null;
		Blockly.Tooltip.poisonedElement_ = null;
		Blockly.Tooltip.hide()
	}, 1);
	clearTimeout(Blockly.Tooltip.showPid_)
};
Blockly.Tooltip.onMouseMove_ = function (a) {
	if (Blockly.Tooltip.element_ && Blockly.Tooltip.element_.tooltip && Blockly.dragMode_ == Blockly.DRAG_NONE && !Blockly.WidgetDiv.isVisible())
		if (Blockly.Tooltip.visible) {
			var b = Blockly.Tooltip.lastX_ - a.pageX;
			a = Blockly.Tooltip.lastY_ - a.pageY;
			Math.sqrt(b * b + a * a) > Blockly.Tooltip.RADIUS_OK && Blockly.Tooltip.hide()
		} else Blockly.Tooltip.poisonedElement_ != Blockly.Tooltip.element_ && (clearTimeout(Blockly.Tooltip.showPid_), Blockly.Tooltip.lastX_ = a.pageX, Blockly.Tooltip.lastY_ = a.pageY,
			Blockly.Tooltip.showPid_ = setTimeout(Blockly.Tooltip.show_, Blockly.Tooltip.HOVER_MS))
};
Blockly.Tooltip.hide = function () {
	Blockly.Tooltip.visible && (Blockly.Tooltip.visible = !1, Blockly.Tooltip.DIV && (Blockly.Tooltip.DIV.style.display = "none"));
	clearTimeout(Blockly.Tooltip.showPid_)
};
Blockly.Tooltip.show_ = function () {
	Blockly.Tooltip.poisonedElement_ = Blockly.Tooltip.element_;
	if (Blockly.Tooltip.DIV) {
		goog.dom.removeChildren(Blockly.Tooltip.DIV);
		for (var a = Blockly.Tooltip.element_.tooltip; goog.isFunction(a) ;) a = a();
		for (var a = Blockly.utils.wrap(a, Blockly.Tooltip.LIMIT), a = a.split("\n"), b = 0; b < a.length; b++) {
			var c = document.createElement("div");
			c.appendChild(document.createTextNode(a[b]));
			Blockly.Tooltip.DIV.appendChild(c)
		}
		a = Blockly.Tooltip.element_.RTL;
		b = goog.dom.getViewportSize();
		Blockly.Tooltip.DIV.style.direction =
			a ? "rtl" : "ltr";
		Blockly.Tooltip.DIV.style.display = "block";
		Blockly.Tooltip.visible = !0;
		var c = Blockly.Tooltip.lastX_,
			c = a ? c - (Blockly.Tooltip.OFFSET_X + Blockly.Tooltip.DIV.offsetWidth) : c + Blockly.Tooltip.OFFSET_X,
			d = Blockly.Tooltip.lastY_ + Blockly.Tooltip.OFFSET_Y;
		d + Blockly.Tooltip.DIV.offsetHeight > b.height + window.scrollY && (d -= Blockly.Tooltip.DIV.offsetHeight + 2 * Blockly.Tooltip.OFFSET_Y);
		a ? c = Math.max(Blockly.Tooltip.MARGINS - window.scrollX, c) : c + Blockly.Tooltip.DIV.offsetWidth > b.width + window.scrollX - 2 * Blockly.Tooltip.MARGINS &&
			(c = b.width - Blockly.Tooltip.DIV.offsetWidth - 2 * Blockly.Tooltip.MARGINS);
		Blockly.Tooltip.DIV.style.top = d + "px";
		Blockly.Tooltip.DIV.style.left = c + "px"
	}
};
Blockly.FieldLabel = function (a, b) {
	this.size_ = new goog.math.Size(0, 17.5);
	this.class_ = b;
	this.setValue(a)
};
goog.inherits(Blockly.FieldLabel, Blockly.Field);
Blockly.FieldLabel.prototype.EDITABLE = !1;
Blockly.FieldLabel.prototype.init = function () {
	this.textElement_ || (this.textElement_ = Blockly.createSvgElement("text", {
		"class": "blocklyText",
		y: this.size_.height - 5
	}, null), this.class_ && Blockly.addClass_(this.textElement_, this.class_), this.visible_ || (this.textElement_.style.display = "none"), this.sourceBlock_.getSvgRoot().appendChild(this.textElement_), this.textElement_.tooltip = this.sourceBlock_, Blockly.Tooltip.bindMouseEvents(this.textElement_), this.updateTextNode_())
};
Blockly.FieldLabel.prototype.dispose = function () {
	goog.dom.removeNode(this.textElement_);
	this.textElement_ = null
};
Blockly.FieldLabel.prototype.getSvgRoot = function () {
	return this.textElement_
};
Blockly.FieldLabel.prototype.setTooltip = function (a) {
	this.textElement_.tooltip = a
};
Blockly.Input = function (a, b, c, d) {
	this.type = a;
	this.name = b;
	this.sourceBlock_ = c;
	this.connection = d;
	this.fieldRow = []
};
Blockly.Input.prototype.align = Blockly.ALIGN_LEFT;
Blockly.Input.prototype.visible_ = !0;
Blockly.Input.prototype.appendField = function (a, b) {
	if (!a && !b) return this;
	goog.isString(a) && (a = new Blockly.FieldLabel(a));
	a.setSourceBlock(this.sourceBlock_);
	this.sourceBlock_.rendered && a.init();
	a.name = b;
	a.prefixField && this.appendField(a.prefixField);
	this.fieldRow.push(a);
	a.suffixField && this.appendField(a.suffixField);
	this.sourceBlock_.rendered && (this.sourceBlock_.render(), this.sourceBlock_.bumpNeighbours_());
	return this
};
Blockly.Input.prototype.appendTitle = function (a, b) {
	console.warn("Deprecated call to appendTitle, use appendField instead.");
	return this.appendField(a, b)
};
Blockly.Input.prototype.removeField = function (a) {
	for (var b = 0, c; c = this.fieldRow[b]; b++)
		if (c.name === a) {
			c.dispose();
			this.fieldRow.splice(b, 1);
			this.sourceBlock_.rendered && (this.sourceBlock_.render(), this.sourceBlock_.bumpNeighbours_());
			return
		}
	goog.asserts.fail('Field "%s" not found.', a)
};
Blockly.Input.prototype.isVisible = function () {
	return this.visible_
};
Blockly.Input.prototype.setVisible = function (a) {
	var b = [];
	if (this.visible_ == a) return b;
	for (var c = (this.visible_ = a) ? "block" : "none", d = 0, e; e = this.fieldRow[d]; d++) e.setVisible(a);
	this.connection && (a ? b = this.connection.unhideAll() : this.connection.hideAll(), d = this.connection.targetBlock()) && (d.getSvgRoot().style.display = c, a || (d.rendered = !1));
	return b
};
Blockly.Input.prototype.setCheck = function (a) {
	if (!this.connection) throw "This input does not have a connection.";
	this.connection.setCheck(a);
	return this
};
Blockly.Input.prototype.setAlign = function (a) {
	this.align = a;
	this.sourceBlock_.rendered && this.sourceBlock_.render();
	return this
};
Blockly.Input.prototype.init = function () {
	if (this.sourceBlock_.workspace.rendered)
		for (var a = 0; a < this.fieldRow.length; a++) this.fieldRow[a].init()
};
Blockly.Input.prototype.dispose = function () {
	for (var a = 0, b; b = this.fieldRow[a]; a++) b.dispose();
	this.connection && this.connection.dispose();
	this.sourceBlock_ = null
};
Blockly.ConnectionDB = function () { };
Blockly.ConnectionDB.prototype = [];
Blockly.ConnectionDB.constructor = Blockly.ConnectionDB;
Blockly.ConnectionDB.prototype.addConnection = function (a) {
	if (a.inDB_) throw "Connection already in database.";
	if (!a.getSourceBlock().isInFlyout) {
		var b = this.findPositionForConnection_(a);
		this.splice(b, 0, a);
		a.inDB_ = !0
	}
};
Blockly.ConnectionDB.prototype.findConnection = function (a) {
	if (!this.length) return -1;
	var b = this.findPositionForConnection_(a);
	if (b >= this.length) return -1;
	for (var c = a.y_, d = b; 0 <= d && this[d].y_ == c;) {
		if (this[d] == a) return d;
		d--
	}
	for (; b < this.length && this[b].y_ == c;) {
		if (this[b] == a) return b;
		b++
	}
	return -1
};
Blockly.ConnectionDB.prototype.findPositionForConnection_ = function (a) {
	if (!this.length) return 0;
	for (var b = 0, c = this.length; b < c;) {
		var d = Math.floor((b + c) / 2);
		if (this[d].y_ < a.y_) b = d + 1;
		else if (this[d].y_ > a.y_) c = d;
		else {
			b = d;
			break
		}
	}
	return b
};
Blockly.ConnectionDB.prototype.removeConnection_ = function (a) {
	if (!a.inDB_) throw "Connection not in database.";
	var b = this.findConnection(a);
	if (-1 == b) throw "Unable to find connection in connectionDB.";
	a.inDB_ = !1;
	this.splice(b, 1)
};
Blockly.ConnectionDB.prototype.getNeighbours = function (a, b) {
	function c(a) {
		var c = e - d[a].x_,
			g = f - d[a].y_;
		Math.sqrt(c * c + g * g) <= b && m.push(d[a]);
		return g < b
	}
	for (var d = this, e = a.x_, f = a.y_, g = 0, h = d.length - 2, k = h; g < k;) d[k].y_ < f ? g = k : h = k, k = Math.floor((g + h) / 2);
	var m = [],
		h = g = k;
	if (d.length) {
		for (; 0 <= g && c(g) ;) g--;
		do h++; while (h < d.length && c(h))
	}
	return m
};
Blockly.ConnectionDB.prototype.isInYRange_ = function (a, b, c) {
	return Math.abs(this[a].y_ - b) <= c
};
Blockly.ConnectionDB.prototype.searchForClosest = function (a, b, c) {
	if (!this.length) return {
		connection: null,
		radius: b
	};
	var d = a.y_,
		e = a.x_;
	a.x_ = e + c.x;
	a.y_ = d + c.y;
	var f = this.findPositionForConnection_(a);
	c = null;
	for (var g = b, h, k = f - 1; 0 <= k && this.isInYRange_(k, a.y_, b) ;) h = this[k], a.isConnectionAllowed(h, g) && (c = h, g = h.distanceFrom(a)), k--;
	for (; f < this.length && this.isInYRange_(f, a.y_, b) ;) h = this[f], a.isConnectionAllowed(h, g) && (c = h, g = h.distanceFrom(a)), f++;
	a.x_ = e;
	a.y_ = d;
	return {
		connection: c,
		radius: g
	}
};
Blockly.ConnectionDB.init = function (a) {
	var b = [];
	b[Blockly.INPUT_VALUE] = new Blockly.ConnectionDB;
	b[Blockly.OUTPUT_VALUE] = new Blockly.ConnectionDB;
	b[Blockly.NEXT_STATEMENT] = new Blockly.ConnectionDB;
	b[Blockly.PREVIOUS_STATEMENT] = new Blockly.ConnectionDB;
	a.connectionDBList = b
};
Blockly.constants = {};
Blockly.DRAG_RADIUS = 5;
Blockly.SNAP_RADIUS = 20;
Blockly.BUMP_DELAY = 250;
Blockly.COLLAPSE_CHARS = 30;
Blockly.LONGPRESS = 750;
Blockly.SOUND_LIMIT = 100;
Blockly.HSV_SATURATION = .45;
Blockly.HSV_VALUE = .65;
Blockly.SPRITE = {
	width: 96,
	height: 124,
	url: "sprites.png"
};
Blockly.SVG_NS = "http://www.w3.org/2000/svg";
Blockly.HTML_NS = "http://www.w3.org/1999/xhtml";
Blockly.INPUT_VALUE = 1;
Blockly.OUTPUT_VALUE = 2;
Blockly.NEXT_STATEMENT = 3;
Blockly.PREVIOUS_STATEMENT = 4;
Blockly.DUMMY_INPUT = 5;
Blockly.ALIGN_LEFT = -1;
Blockly.ALIGN_CENTRE = 0;
Blockly.ALIGN_RIGHT = 1;
Blockly.DRAG_NONE = 0;
Blockly.DRAG_STICKY = 1;
Blockly.DRAG_BEGIN = 1;
Blockly.DRAG_FREE = 2;
Blockly.OPPOSITE_TYPE = [];
Blockly.OPPOSITE_TYPE[Blockly.INPUT_VALUE] = Blockly.OUTPUT_VALUE;
Blockly.OPPOSITE_TYPE[Blockly.OUTPUT_VALUE] = Blockly.INPUT_VALUE;
Blockly.OPPOSITE_TYPE[Blockly.NEXT_STATEMENT] = Blockly.PREVIOUS_STATEMENT;
Blockly.OPPOSITE_TYPE[Blockly.PREVIOUS_STATEMENT] = Blockly.NEXT_STATEMENT;
Blockly.TOOLBOX_AT_TOP = 0;
Blockly.TOOLBOX_AT_BOTTOM = 1;
Blockly.TOOLBOX_AT_LEFT = 2;
Blockly.TOOLBOX_AT_RIGHT = 3;
Blockly.Options = function (a) {
	var b = !!a.readOnly;
	if (b) var c = null,
		d = !1,
		e = !1,
		f = !1,
		g = !1,
		h = !1,
		k = !1;
	else c = Blockly.Options.parseToolboxTree(a.toolbox), d = !(!c || !c.getElementsByTagName("category").length), e = a.trashcan, void 0 === e && (e = d), f = a.collapse, void 0 === f && (f = d), g = a.comments, void 0 === g && (g = d), h = a.disable, void 0 === h && (h = d), k = a.sounds, void 0 === k && (k = !0);
	var m = !!a.rtl,
		p = a.horizontalLayout;
	void 0 === p && (p = !1);
	var l = a.toolboxPosition,
		l = "end" === l ? !1 : !0,
		l = p ? l ? Blockly.TOOLBOX_AT_TOP : Blockly.TOOLBOX_AT_BOTTOM : l ==
		m ? Blockly.TOOLBOX_AT_RIGHT : Blockly.TOOLBOX_AT_LEFT,
		n = a.scrollbars;
	void 0 === n && (n = d);
	var q = a.css;
	void 0 === q && (q = !0);
	var t = "https://blockly-demo.appspot.com/static/media/";
	a.media ? t = a.media : a.path && (t = a.path + "media/");
	var r = void 0 === a.oneBasedIndex ? !0 : !!a.oneBasedIndex;
	this.RTL = m;
	this.oneBasedIndex = r;
	this.collapse = f;
	this.comments = g;
	this.disable = h;
	this.readOnly = b;
	this.maxBlocks = a.maxBlocks || Infinity;
	this.pathToMedia = t;
	this.hasCategories = d;
	this.hasScrollbars = n;
	this.hasTrashcan = e;
	this.hasSounds = k;
	this.hasCss =
		q;
	this.horizontalLayout = p;
	this.languageTree = c;
	this.gridOptions = Blockly.Options.parseGridOptions_(a);
	this.zoomOptions = Blockly.Options.parseZoomOptions_(a);
	this.toolboxPosition = l
};
Blockly.Options.prototype.parentWorkspace = null;
Blockly.Options.prototype.setMetrics = null;
Blockly.Options.prototype.getMetrics = null;
Blockly.Options.parseZoomOptions_ = function (a) {
	a = a.zoom || {};
	var b = {};
	b.controls = void 0 === a.controls ? !1 : !!a.controls;
	b.wheel = void 0 === a.wheel ? !1 : !!a.wheel;
	b.startScale = void 0 === a.startScale ? 1 : parseFloat(a.startScale);
	b.maxScale = void 0 === a.maxScale ? 3 : parseFloat(a.maxScale);
	b.minScale = void 0 === a.minScale ? .3 : parseFloat(a.minScale);
	b.scaleSpeed = void 0 === a.scaleSpeed ? 1.2 : parseFloat(a.scaleSpeed);
	return b
};
Blockly.Options.parseGridOptions_ = function (a) {
	a = a.grid || {};
	var b = {};
	b.spacing = parseFloat(a.spacing) || 0;
	b.colour = a.colour || "#888";
	b.length = parseFloat(a.length) || 1;
	b.snap = 0 < b.spacing && !!a.snap;
	return b
};
Blockly.Options.parseToolboxTree = function (a) {
	a ? ("string" != typeof a && ("undefined" == typeof XSLTProcessor && a.outerHTML ? a = a.outerHTML : a instanceof Element || (a = null)), "string" == typeof a && (a = Blockly.Xml.textToDom(a))) : a = null;
	return a
};
Blockly.ScrollbarPair = function (a) {
	this.workspace_ = a;
	this.hScroll = new Blockly.Scrollbar(a, !0, !0);
	this.vScroll = new Blockly.Scrollbar(a, !1, !0);
	this.corner_ = Blockly.createSvgElement("rect", {
		height: Blockly.Scrollbar.scrollbarThickness,
		width: Blockly.Scrollbar.scrollbarThickness,
		"class": "blocklyScrollbarBackground"
	}, null);
	Blockly.Scrollbar.insertAfter_(this.corner_, a.getBubbleCanvas())
};
Blockly.ScrollbarPair.prototype.oldHostMetrics_ = null;
Blockly.ScrollbarPair.prototype.dispose = function () {
	goog.dom.removeNode(this.corner_);
	this.oldHostMetrics_ = this.workspace_ = this.corner_ = null;
	this.hScroll.dispose();
	this.hScroll = null;
	this.vScroll.dispose();
	this.vScroll = null
};
Blockly.ScrollbarPair.prototype.resize = function () {
	var a = this.workspace_.getMetrics();
	if (a) {
		var b = !1,
			c = !1;
		this.oldHostMetrics_ && this.oldHostMetrics_.viewWidth == a.viewWidth && this.oldHostMetrics_.viewHeight == a.viewHeight && this.oldHostMetrics_.absoluteTop == a.absoluteTop && this.oldHostMetrics_.absoluteLeft == a.absoluteLeft ? (this.oldHostMetrics_ && this.oldHostMetrics_.contentWidth == a.contentWidth && this.oldHostMetrics_.viewLeft == a.viewLeft && this.oldHostMetrics_.contentLeft == a.contentLeft || (b = !0), this.oldHostMetrics_ &&
			this.oldHostMetrics_.contentHeight == a.contentHeight && this.oldHostMetrics_.viewTop == a.viewTop && this.oldHostMetrics_.contentTop == a.contentTop || (c = !0)) : c = b = !0;
		b && this.hScroll.resize(a);
		c && this.vScroll.resize(a);
		this.oldHostMetrics_ && this.oldHostMetrics_.viewWidth == a.viewWidth && this.oldHostMetrics_.absoluteLeft == a.absoluteLeft || this.corner_.setAttribute("x", this.vScroll.position_.x);
		this.oldHostMetrics_ && this.oldHostMetrics_.viewHeight == a.viewHeight && this.oldHostMetrics_.absoluteTop == a.absoluteTop || this.corner_.setAttribute("y",
			this.hScroll.position_.y);
		this.oldHostMetrics_ = a
	}
};
Blockly.ScrollbarPair.prototype.set = function (a, b) {
	var c = {},
		d = a * this.hScroll.ratio_,
		e = b * this.vScroll.ratio_,
		f = this.vScroll.scrollViewSize_;
	c.x = this.getRatio_(d, this.hScroll.scrollViewSize_);
	c.y = this.getRatio_(e, f);
	this.workspace_.setMetrics(c);
	this.hScroll.setHandlePosition(d);
	this.vScroll.setHandlePosition(e)
};
Blockly.ScrollbarPair.prototype.getRatio_ = function (a, b) {
	var c = a / b;
	return isNaN(c) ? 0 : c
};
Blockly.Scrollbar = function (a, b, c) {
	this.workspace_ = a;
	this.pair_ = c || !1;
	this.horizontal_ = b;
	this.oldHostMetrics_ = null;
	this.createDom_();
	this.position_ = new goog.math.Coordinate(0, 0);
	b ? (this.svgBackground_.setAttribute("height", Blockly.Scrollbar.scrollbarThickness), this.svgHandle_.setAttribute("height", Blockly.Scrollbar.scrollbarThickness - 5), this.svgHandle_.setAttribute("y", 2.5), this.lengthAttribute_ = "width", this.positionAttribute_ = "x") : (this.svgBackground_.setAttribute("width", Blockly.Scrollbar.scrollbarThickness),
		this.svgHandle_.setAttribute("width", Blockly.Scrollbar.scrollbarThickness - 5), this.svgHandle_.setAttribute("x", 2.5), this.lengthAttribute_ = "height", this.positionAttribute_ = "y");
	this.onMouseDownBarWrapper_ = Blockly.bindEventWithChecks_(this.svgBackground_, "mousedown", this, this.onMouseDownBar_);
	this.onMouseDownHandleWrapper_ = Blockly.bindEventWithChecks_(this.svgHandle_, "mousedown", this, this.onMouseDownHandle_)
};
Blockly.Scrollbar.prototype.scrollViewSize_ = 0;
Blockly.Scrollbar.prototype.handleLength_ = 0;
Blockly.Scrollbar.prototype.handlePosition_ = 0;
Blockly.Scrollbar.prototype.isVisible_ = !0;
Blockly.Scrollbar.scrollbarThickness = 15;
goog.events.BrowserFeature.TOUCH_ENABLED && (Blockly.Scrollbar.scrollbarThickness = 25);
Blockly.Scrollbar.metricsAreEquivalent_ = function (a, b) {
	return a && b && a.viewWidth == b.viewWidth && a.viewHeight == b.viewHeight && a.viewLeft == b.viewLeft && a.viewTop == b.viewTop && a.absoluteTop == b.absoluteTop && a.absoluteLeft == b.absoluteLeft && a.contentWidth == b.contentWidth && a.contentHeight == b.contentHeight && a.contentLeft == b.contentLeft && a.contentTop == b.contentTop ? !0 : !1
};
Blockly.Scrollbar.prototype.dispose = function () {
	this.cleanUp_();
	Blockly.unbindEvent_(this.onMouseDownBarWrapper_);
	this.onMouseDownBarWrapper_ = null;
	Blockly.unbindEvent_(this.onMouseDownHandleWrapper_);
	this.onMouseDownHandleWrapper_ = null;
	goog.dom.removeNode(this.svgGroup_);
	this.workspace_ = this.svgHandle_ = this.svgBackground_ = this.svgGroup_ = null
};
Blockly.Scrollbar.prototype.setHandleLength_ = function (a) {
	this.handleLength_ = a;
	this.svgHandle_.setAttribute(this.lengthAttribute_, this.handleLength_)
};
Blockly.Scrollbar.prototype.setHandlePosition = function (a) {
	this.handlePosition_ = a;
	this.svgHandle_.setAttribute(this.positionAttribute_, this.handlePosition_)
};
Blockly.Scrollbar.prototype.setScrollViewSize_ = function (a) {
	this.scrollViewSize_ = a;
	this.svgBackground_.setAttribute(this.lengthAttribute_, this.scrollViewSize_)
};
Blockly.Scrollbar.prototype.setPosition = function (a, b) {
	this.position_.x = a;
	this.position_.y = b;
	this.svgGroup_.setAttribute("transform", "translate(" + this.position_.x + "," + this.position_.y + ")")
};
Blockly.Scrollbar.prototype.resize = function (a) {
	if (!a && (a = this.workspace_.getMetrics(), !a)) return;
	Blockly.Scrollbar.metricsAreEquivalent_(a, this.oldHostMetrics_) || (this.oldHostMetrics_ = a, this.horizontal_ ? this.resizeHorizontal_(a) : this.resizeVertical_(a), this.onScroll_())
};
Blockly.Scrollbar.prototype.resizeHorizontal_ = function (a) {
	this.resizeViewHorizontal(a)
};
Blockly.Scrollbar.prototype.resizeViewHorizontal = function (a) {
	var b = a.viewWidth - 1;
	this.pair_ && (b -= Blockly.Scrollbar.scrollbarThickness);
	this.setScrollViewSize_(Math.max(0, b));
	b = a.absoluteLeft + .5;
	this.pair_ && this.workspace_.RTL && (b += Blockly.Scrollbar.scrollbarThickness);
	this.setPosition(b, a.absoluteTop + a.viewHeight - Blockly.Scrollbar.scrollbarThickness - .5);
	this.resizeContentHorizontal(a)
};
Blockly.Scrollbar.prototype.resizeContentHorizontal = function (a) {
	this.pair_ || this.setVisible(this.scrollViewSize_ < a.contentWidth);
	this.ratio_ = this.scrollViewSize_ / a.contentWidth;
	if (-Infinity == this.ratio_ || Infinity == this.ratio_ || isNaN(this.ratio_)) this.ratio_ = 0;
	this.setHandleLength_(Math.max(0, a.viewWidth * this.ratio_));
	this.setHandlePosition(this.constrainHandle_((a.viewLeft - a.contentLeft) * this.ratio_))
};
Blockly.Scrollbar.prototype.resizeVertical_ = function (a) {
	this.resizeViewVertical(a)
};
Blockly.Scrollbar.prototype.resizeViewVertical = function (a) {
	var b = a.viewHeight - 1;
	this.pair_ && (b -= Blockly.Scrollbar.scrollbarThickness);
	this.setScrollViewSize_(Math.max(0, b));
	b = a.absoluteLeft + .5;
	this.workspace_.RTL || (b += a.viewWidth - Blockly.Scrollbar.scrollbarThickness - 1);
	this.setPosition(b, a.absoluteTop + .5);
	this.resizeContentVertical(a)
};
Blockly.Scrollbar.prototype.resizeContentVertical = function (a) {
	this.pair_ || this.setVisible(this.scrollViewSize_ < a.contentHeight);
	this.ratio_ = this.scrollViewSize_ / a.contentHeight;
	if (-Infinity == this.ratio_ || Infinity == this.ratio_ || isNaN(this.ratio_)) this.ratio_ = 0;
	this.setHandleLength_(Math.max(0, a.viewHeight * this.ratio_));
	this.setHandlePosition(this.constrainHandle_((a.viewTop - a.contentTop) * this.ratio_))
};
Blockly.Scrollbar.prototype.createDom_ = function () {
	this.svgGroup_ = Blockly.createSvgElement("g", {
		"class": "blocklyScrollbar" + (this.horizontal_ ? "Horizontal" : "Vertical")
	}, null);
	this.svgBackground_ = Blockly.createSvgElement("rect", {
		"class": "blocklyScrollbarBackground"
	}, this.svgGroup_);
	var a = Math.floor((Blockly.Scrollbar.scrollbarThickness - 5) / 2);
	this.svgHandle_ = Blockly.createSvgElement("rect", {
		"class": "blocklyScrollbarHandle",
		rx: a,
		ry: a
	}, this.svgGroup_);
	Blockly.Scrollbar.insertAfter_(this.svgGroup_, this.workspace_.getBubbleCanvas())
};
Blockly.Scrollbar.prototype.isVisible = function () {
	return this.isVisible_
};
Blockly.Scrollbar.prototype.setVisible = function (a) {
	if (a != this.isVisible()) {
		if (this.pair_) throw "Unable to toggle visibility of paired scrollbars.";
		(this.isVisible_ = a) ? this.svgGroup_.setAttribute("display", "block") : (this.workspace_.setMetrics({
			x: 0,
			y: 0
		}), this.svgGroup_.setAttribute("display", "none"))
	}
};
Blockly.Scrollbar.prototype.onMouseDownBar_ = function (a) {
	this.workspace_.markFocused();
	Blockly.Touch.clearTouchIdentifier();
	this.cleanUp_();
	if (Blockly.isRightButton(a)) a.stopPropagation();
	else {
		var b = Blockly.mouseToSvg(a, this.workspace_.getParentSvg(), this.workspace_.getInverseScreenCTM()),
			b = this.horizontal_ ? b.x : b.y,
			c = Blockly.getSvgXY_(this.svgHandle_, this.workspace_),
			c = this.horizontal_ ? c.x : c.y,
			d = this.handlePosition_,
			e = .95 * this.handleLength_;
		b <= c ? d -= e : b >= c + this.handleLength_ && (d += e);
		this.setHandlePosition(this.constrainHandle_(d));
		this.onScroll_();
		a.stopPropagation();
		a.preventDefault()
	}
};
Blockly.Scrollbar.prototype.onMouseDownHandle_ = function (a) {
	this.workspace_.markFocused();
	this.cleanUp_();
	Blockly.isRightButton(a) ? a.stopPropagation() : (this.startDragHandle = this.handlePosition_, this.startDragMouse = this.horizontal_ ? a.clientX : a.clientY, Blockly.Scrollbar.onMouseUpWrapper_ = Blockly.bindEventWithChecks_(document, "mouseup", this, this.onMouseUpHandle_), Blockly.Scrollbar.onMouseMoveWrapper_ = Blockly.bindEventWithChecks_(document, "mousemove", this, this.onMouseMoveHandle_), a.stopPropagation(), a.preventDefault())
};
Blockly.Scrollbar.prototype.onMouseMoveHandle_ = function (a) {
	this.setHandlePosition(this.constrainHandle_(this.startDragHandle + ((this.horizontal_ ? a.clientX : a.clientY) - this.startDragMouse)));
	this.onScroll_()
};
Blockly.Scrollbar.prototype.onMouseUpHandle_ = function () {
	Blockly.Touch.clearTouchIdentifier();
	this.cleanUp_()
};
Blockly.Scrollbar.prototype.cleanUp_ = function () {
	Blockly.hideChaff(!0);
	Blockly.Scrollbar.onMouseUpWrapper_ && (Blockly.unbindEvent_(Blockly.Scrollbar.onMouseUpWrapper_), Blockly.Scrollbar.onMouseUpWrapper_ = null);
	Blockly.Scrollbar.onMouseMoveWrapper_ && (Blockly.unbindEvent_(Blockly.Scrollbar.onMouseMoveWrapper_), Blockly.Scrollbar.onMouseMoveWrapper_ = null)
};
Blockly.Scrollbar.prototype.constrainHandle_ = function (a) {
	return a = 0 >= a || isNaN(a) || this.scrollViewSize_ < this.handleLength_ ? 0 : Math.min(a, this.scrollViewSize_ - this.handleLength_)
};
Blockly.Scrollbar.prototype.onScroll_ = function () {
	var a = this.handlePosition_ / this.scrollViewSize_;
	isNaN(a) && (a = 0);
	var b = {};
	this.horizontal_ ? b.x = a : b.y = a;
	this.workspace_.setMetrics(b)
};
Blockly.Scrollbar.prototype.set = function (a) {
	this.setHandlePosition(this.constrainHandle_(a * this.ratio_));
	this.onScroll_()
};
Blockly.Scrollbar.insertAfter_ = function (a, b) {
	var c = b.nextSibling,
		d = b.parentNode;
	if (!d) throw "Reference node has no parent.";
	c ? d.insertBefore(a, c) : d.appendChild(a)
};
Blockly.Trashcan = function (a) {
	this.workspace_ = a
};
Blockly.Trashcan.prototype.WIDTH_ = 47;
Blockly.Trashcan.prototype.BODY_HEIGHT_ = 44;
Blockly.Trashcan.prototype.LID_HEIGHT_ = 16;
Blockly.Trashcan.prototype.MARGIN_BOTTOM_ = 20;
Blockly.Trashcan.prototype.MARGIN_SIDE_ = 20;
Blockly.Trashcan.prototype.MARGIN_HOTSPOT_ = 10;
Blockly.Trashcan.prototype.SPRITE_LEFT_ = 0;
Blockly.Trashcan.prototype.SPRITE_TOP_ = 32;
Blockly.Trashcan.prototype.isOpen = !1;
Blockly.Trashcan.prototype.svgGroup_ = null;
Blockly.Trashcan.prototype.svgLid_ = null;
Blockly.Trashcan.prototype.lidTask_ = 0;
Blockly.Trashcan.prototype.lidOpen_ = 0;
Blockly.Trashcan.prototype.left_ = 0;
Blockly.Trashcan.prototype.top_ = 0;
Blockly.Trashcan.prototype.createDom = function () {
	this.svgGroup_ = Blockly.createSvgElement("g", {
		"class": "blocklyTrash"
	}, null);
	var a = String(Math.random()).substring(2),
		b = Blockly.createSvgElement("clipPath", {
        	id: "blocklyTrashBodyClipPath" + a
		}, this.svgGroup_);
	Blockly.createSvgElement("rect", {
		width: this.WIDTH_,
		height: this.BODY_HEIGHT_,
		y: this.LID_HEIGHT_
	}, b);
	Blockly.createSvgElement("image", {
		width: Blockly.SPRITE.width,
		x: -this.SPRITE_LEFT_,
		height: Blockly.SPRITE.height,
		y: -this.SPRITE_TOP_,
		"clip-path": "url(#blocklyTrashBodyClipPath" +
			a + ")"
	}, this.svgGroup_).setAttributeNS("http://www.w3.org/1999/xlink", "xlink:href", this.workspace_.options.pathToMedia + Blockly.SPRITE.url);
	b = Blockly.createSvgElement("clipPath", {
		id: "blocklyTrashLidClipPath" + a
	}, this.svgGroup_);
	Blockly.createSvgElement("rect", {
		width: this.WIDTH_,
		height: this.LID_HEIGHT_
	}, b);
	this.svgLid_ = Blockly.createSvgElement("image", {
		width: Blockly.SPRITE.width,
		x: -this.SPRITE_LEFT_,
		height: Blockly.SPRITE.height,
		y: -this.SPRITE_TOP_,
		"clip-path": "url(#blocklyTrashLidClipPath" + a + ")"
	}, this.svgGroup_);
	this.svgLid_.setAttributeNS("http://www.w3.org/1999/xlink", "xlink:href", this.workspace_.options.pathToMedia + Blockly.SPRITE.url);
	Blockly.bindEventWithChecks_(this.svgGroup_, "mouseup", this, this.click);
	this.animateLid_();
	return this.svgGroup_
};
Blockly.Trashcan.prototype.init = function (a) {
	this.bottom_ = this.MARGIN_BOTTOM_ + a;
	this.setOpen_(!1);
	return this.bottom_ + this.BODY_HEIGHT_ + this.LID_HEIGHT_
};
Blockly.Trashcan.prototype.dispose = function () {
	this.svgGroup_ && (goog.dom.removeNode(this.svgGroup_), this.svgGroup_ = null);
	this.workspace_ = this.svgLid_ = null;
	goog.Timer.clear(this.lidTask_)
};
Blockly.Trashcan.prototype.position = function () {
	var a = this.workspace_.getMetrics();
	a && (this.workspace_.RTL ? (this.left_ = this.MARGIN_SIDE_ + Blockly.Scrollbar.scrollbarThickness, a.toolboxPosition == Blockly.TOOLBOX_AT_LEFT && (this.left_ += a.flyoutWidth, this.workspace_.toolbox_ && (this.left_ += a.absoluteLeft))) : (this.left_ = a.viewWidth + a.absoluteLeft - this.WIDTH_ - this.MARGIN_SIDE_ - Blockly.Scrollbar.scrollbarThickness, a.toolboxPosition == Blockly.TOOLBOX_AT_RIGHT && (this.left_ -= a.flyoutWidth)), this.top_ = a.viewHeight +
		a.absoluteTop - (this.BODY_HEIGHT_ + this.LID_HEIGHT_) - this.bottom_, a.toolboxPosition == Blockly.TOOLBOX_AT_BOTTOM && (this.top_ -= a.flyoutHeight), this.svgGroup_.setAttribute("transform", "translate(" + this.left_ + "," + this.top_ + ")"))
};
Blockly.Trashcan.prototype.getClientRect = function () {
	if (!this.svgGroup_) return null;
	var a = this.svgGroup_.getBoundingClientRect();
	return new goog.math.Rect(a.left + this.SPRITE_LEFT_ - this.MARGIN_HOTSPOT_, a.top + this.SPRITE_TOP_ - this.MARGIN_HOTSPOT_, this.WIDTH_ + 2 * this.MARGIN_HOTSPOT_, this.LID_HEIGHT_ + this.BODY_HEIGHT_ + 2 * this.MARGIN_HOTSPOT_)
};
Blockly.Trashcan.prototype.setOpen_ = function (a) {
	this.isOpen != a && (goog.Timer.clear(this.lidTask_), this.isOpen = a, this.animateLid_())
};
Blockly.Trashcan.prototype.animateLid_ = function () {
	this.lidOpen_ += this.isOpen ? .2 : -.2;
	this.lidOpen_ = goog.math.clamp(this.lidOpen_, 0, 1);
	var a = 45 * this.lidOpen_;
	this.svgLid_.setAttribute("transform", "rotate(" + (this.workspace_.RTL ? -a : a) + "," + (this.workspace_.RTL ? 4 : this.WIDTH_ - 4) + "," + (this.LID_HEIGHT_ - 2) + ")");
	a = goog.math.lerp(.4, .8, this.lidOpen_);
	this.svgGroup_.style.opacity = a;
	0 < this.lidOpen_ && 1 > this.lidOpen_ && (this.lidTask_ = goog.Timer.callOnce(this.animateLid_, 20, this))
};
Blockly.Trashcan.prototype.close = function () {
	this.setOpen_(!1)
};
Blockly.Trashcan.prototype.click = function () {
	var a = this.workspace_.startScrollX - this.workspace_.scrollX,
		b = this.workspace_.startScrollY - this.workspace_.scrollY;
	Math.sqrt(a * a + b * b) > Blockly.DRAG_RADIUS || console.log("TODO: Inspect trash.")
};
Blockly.Xml = {};
Blockly.Xml.workspaceToDom = function (a, b) {
	for (var c = goog.dom.createDom("xml"), d = a.getTopBlocks(!0), e = 0, f; f = d[e]; e++) c.appendChild(Blockly.Xml.blockToDomWithXY(f, b));
	return c
};
Blockly.Xml.blockToDomWithXY = function (a, b) {
	var c;
	a.workspace.RTL && (c = a.workspace.getWidth());
	var d = Blockly.Xml.blockToDom(a, b),
		e = a.getRelativeToSurfaceXY();
	d.setAttribute("x", Math.round(a.workspace.RTL ? c - e.x : e.x));
	d.setAttribute("y", Math.round(e.y));
	return d
};
Blockly.Xml.blockToDom = function (a, b) {
	var c = goog.dom.createDom(a.isShadow() ? "shadow" : "block");
	c.setAttribute("type", a.type);
	b || c.setAttribute("id", a.id);
	if (a.mutationToDom) {
		var d = a.mutationToDom();
		d && (d.hasChildNodes() || d.hasAttributes()) && c.appendChild(d)
	}
	for (var d = 0, e; e = a.inputList[d]; d++)
		for (var f = 0, g; g = e.fieldRow[f]; f++)
			if (g.name && g.EDITABLE) {
				var h = goog.dom.createDom("field", null, g.getValue());
				h.setAttribute("name", g.name);
				c.appendChild(h)
			}
	if (d = a.getCommentText()) d = goog.dom.createDom("comment",
		null, d), "object" == typeof a.comment && (d.setAttribute("pinned", a.comment.isVisible()), e = a.comment.getBubbleSize(), d.setAttribute("h", e.height), d.setAttribute("w", e.width)), c.appendChild(d);
	a.data && (d = goog.dom.createDom("data", null, a.data), c.appendChild(d));
	for (d = 0; e = a.inputList[d]; d++) {
		var k;
		g = !0;
		e.type != Blockly.DUMMY_INPUT && (h = e.connection.targetBlock(), e.type == Blockly.INPUT_VALUE ? k = goog.dom.createDom("value") : e.type == Blockly.NEXT_STATEMENT && (k = goog.dom.createDom("statement")), f = e.connection.getShadowDom(), !f || h && h.isShadow() || k.appendChild(Blockly.Xml.cloneShadow_(f)), h && (k.appendChild(Blockly.Xml.blockToDom(h, b)), g = !1), k.setAttribute("name", e.name), g || c.appendChild(k))
	}
	a.inputsInlineDefault != a.inputsInline && c.setAttribute("inline", a.inputsInline);
	a.isCollapsed() && c.setAttribute("collapsed", !0);
	a.disabled && c.setAttribute("disabled", !0);
	a.isDeletable() || a.isShadow() || c.setAttribute("deletable", !1);
	a.isMovable() || a.isShadow() || c.setAttribute("movable", !1);
	a.isEditable() || c.setAttribute("editable", !1);
	if (d = a.getNextBlock()) k = goog.dom.createDom("next", null, Blockly.Xml.blockToDom(d, b)), c.appendChild(k);
	f = a.nextConnection && a.nextConnection.getShadowDom();
	!f || d && d.isShadow() || k.appendChild(Blockly.Xml.cloneShadow_(f));
	return c
};
Blockly.Xml.cloneShadow_ = function (a) {
	for (var b = a = a.cloneNode(!0), c; b;)
		if (b.firstChild) b = b.firstChild;
		else {
			for (; b && !b.nextSibling;) c = b, b = b.parentNode, 3 == c.nodeType && "" == c.data.trim() && b.firstChild != c && goog.dom.removeNode(c);
			b && (c = b, b = b.nextSibling, 3 == c.nodeType && "" == c.data.trim() && goog.dom.removeNode(c))
		}
	return a
};
Blockly.Xml.domToText = function (a) {
	return (new XMLSerializer).serializeToString(a)
};
Blockly.Xml.domToPrettyText = function (a) {
	a = Blockly.Xml.domToText(a).split("<");
	for (var b = "", c = 1; c < a.length; c++) {
		var d = a[c];
		"/" == d[0] && (b = b.substring(2));
		a[c] = b + "<" + d;
		"/" != d[0] && "/>" != d.slice(-2) && (b += "  ")
	}
	a = a.join("\n");
	a = a.replace(/(<(\w+)\b[^>]*>[^\n]*)\n *<\/\2>/g, "$1</$2>");
	return a.replace(/^\n/, "")
};
Blockly.Xml.textToDom = function (a) {
	(a = (new DOMParser).parseFromString(a, "text/xml")) && a.firstChild && "xml" == a.firstChild.nodeName.toLowerCase() && a.firstChild === a.lastChild || goog.asserts.fail("Blockly.Xml.textToDom did not obtain a valid XML tree.");
	return a.firstChild
};
Blockly.Xml.domToWorkspace = function (a, b) {
	if (a instanceof Blockly.Workspace) {
		var c = a;
		a = b;
		b = c;
		console.warn("Deprecated call to Blockly.Xml.domToWorkspace, swap the arguments.")
	}
	var d;
	b.RTL && (d = b.getWidth());
	Blockly.Field.startCache();
	var c = a.childNodes.length,
		e = Blockly.Events.getGroup();
	e || Blockly.Events.setGroup(!0);
	b.setResizesEnabled && b.setResizesEnabled(!1);
	for (var f = 0; f < c; f++) {
		var g = a.childNodes[f],
			h = g.nodeName.toLowerCase();
		if ("block" == h || "shadow" == h && !Blockly.Events.recordUndo) {
			var h = Blockly.Xml.domToBlock(g,
					b),
				k = parseInt(g.getAttribute("x"), 10),
				g = parseInt(g.getAttribute("y"), 10);
			isNaN(k) || isNaN(g) || h.moveBy(b.RTL ? d - k : k, g)
		} else "shadow" == h && goog.asserts.fail("Shadow block cannot be a top-level block.")
	}
	e || Blockly.Events.setGroup(!1);
	Blockly.Field.stopCache();
	b.updateVariableList(!1);
	b.setResizesEnabled && b.setResizesEnabled(!0)
};
Blockly.Xml.domToBlock = function (a, b) {
	if (a instanceof Blockly.Workspace) {
		var c = a;
		a = b;
		b = c;
		console.warn("Deprecated call to Blockly.Xml.domToBlock, swap the arguments.")
	}
	Blockly.Events.disable();
	try {
		var d = Blockly.Xml.domToBlockHeadless_(a, b);
		if (b.rendered) {
			d.setConnectionsHidden(!0);
			for (var e = d.getDescendants(), f = e.length - 1; 0 <= f; f--) e[f].initSvg();
			for (f = e.length - 1; 0 <= f; f--) e[f].render(!1);
			setTimeout(function () {
				d.workspace && d.setConnectionsHidden(!1)
			}, 1);
			d.updateDisabled();
			b.resizeContents()
		}
	} finally {
		Blockly.Events.enable()
	}
	Blockly.Events.isEnabled() &&
		Blockly.Events.fire(new Blockly.Events.Create(d));
	return d
};
Blockly.Xml.domToBlockHeadless_ = function (a, b) {
	var c = null,
		d = a.getAttribute("type");
	goog.asserts.assert(d, "Block type unspecified: %s", a.outerHTML);
	for (var e = a.getAttribute("id"), c = b.newBlock(d, e), f = null, e = 0, g; g = a.childNodes[e]; e++)
		if (3 != g.nodeType) {
			for (var h = f = null, k = 0, m; m = g.childNodes[k]; k++) 1 == m.nodeType && ("block" == m.nodeName.toLowerCase() ? f = m : "shadow" == m.nodeName.toLowerCase() && (h = m));
			!f && h && (f = h);
			k = g.getAttribute("name");
			switch (g.nodeName.toLowerCase()) {
				case "mutation":
					c.domToMutation && (c.domToMutation(g),
						c.initSvg && c.initSvg());
					break;
				case "comment":
					c.setCommentText(g.textContent);
					var p = g.getAttribute("pinned");
					p && !c.isInFlyout && setTimeout(function () {
						c.comment && c.comment.setVisible && c.comment.setVisible("true" == p)
					}, 1);
					f = parseInt(g.getAttribute("w"), 10);
					g = parseInt(g.getAttribute("h"), 10);
					!isNaN(f) && !isNaN(g) && c.comment && c.comment.setVisible && c.comment.setBubbleSize(f, g);
					break;
				case "data":
					c.data = g.textContent;
					break;
				case "title":
				case "field":
					f = c.getField(k);
					if (!f) {
						console.warn("Ignoring non-existent field " +
							k + " in block " + d);
						break
					}
					f.setValue(g.textContent);
					break;
				case "value":
				case "statement":
					g = c.getInput(k);
					if (!g) {
						console.warn("Ignoring non-existent input " + k + " in block " + d);
						break
					}
					h && g.connection.setShadowDom(h);
					f && (f = Blockly.Xml.domToBlockHeadless_(f, b), f.outputConnection ? g.connection.connect(f.outputConnection) : f.previousConnection ? g.connection.connect(f.previousConnection) : goog.asserts.fail("Child block does not have output or previous statement."));
					break;
				case "next":
					h && c.nextConnection && c.nextConnection.setShadowDom(h);
					f && (goog.asserts.assert(c.nextConnection, "Next statement does not exist."), goog.asserts.assert(!c.nextConnection.isConnected(), "Next statement is already connected."), f = Blockly.Xml.domToBlockHeadless_(f, b), goog.asserts.assert(f.previousConnection, "Next block does not have previous statement."), c.nextConnection.connect(f.previousConnection));
					break;
				default:
					console.warn("Ignoring unknown tag: " + g.nodeName)
			}
		} (e = a.getAttribute("inline")) && c.setInputsInline("true" == e);
	(e = a.getAttribute("disabled")) && c.setDisabled("true" ==
		e);
	(e = a.getAttribute("deletable")) && c.setDeletable("true" == e);
	(e = a.getAttribute("movable")) && c.setMovable("true" == e);
	(e = a.getAttribute("editable")) && c.setEditable("true" == e);
	(e = a.getAttribute("collapsed")) && c.setCollapsed("true" == e);
	if ("shadow" == a.nodeName.toLowerCase()) {
		d = c.getChildren();
		for (e = 0; g = d[e]; e++) goog.asserts.assert(g.isShadow(), "Shadow block not allowed non-shadow child.");
		goog.asserts.assert(0 == c.getVars().length, "Shadow blocks cannot have variable fields.");
		c.setShadow(!0)
	}
	return c
};
Blockly.Xml.deleteNext = function (a) {
	for (var b = 0, c; c = a.childNodes[b]; b++)
		if ("next" == c.nodeName.toLowerCase()) {
			a.removeChild(c);
			break
		}
};
goog.global.Blockly || (goog.global.Blockly = {});
goog.global.Blockly.Xml || (goog.global.Blockly.Xml = {});
goog.global.Blockly.Xml.domToText = Blockly.Xml.domToText;
goog.global.Blockly.Xml.domToWorkspace = Blockly.Xml.domToWorkspace;
goog.global.Blockly.Xml.textToDom = Blockly.Xml.textToDom;
goog.global.Blockly.Xml.workspaceToDom = Blockly.Xml.workspaceToDom;
// Copyright 2015 Google Inc.  Apache License 2.0
Blockly.ZoomControls = function (a) {
	this.workspace_ = a
};
Blockly.ZoomControls.prototype.WIDTH_ = 32;
Blockly.ZoomControls.prototype.HEIGHT_ = 110;
Blockly.ZoomControls.prototype.MARGIN_BOTTOM_ = 20;
Blockly.ZoomControls.prototype.MARGIN_SIDE_ = 20;
Blockly.ZoomControls.prototype.svgGroup_ = null;
Blockly.ZoomControls.prototype.left_ = 0;
Blockly.ZoomControls.prototype.top_ = 0;
Blockly.ZoomControls.prototype.createDom = function () {
	var a = this.workspace_;
	this.svgGroup_ = Blockly.createSvgElement("g", {
		"class": "blocklyZoom"
	}, null);
	var b = String(Math.random()).substring(2),
		c = Blockly.createSvgElement("clipPath", {
        	id: "blocklyZoomoutClipPath" + b
		}, this.svgGroup_);
	Blockly.createSvgElement("rect", {
		width: 32,
		height: 32,
		y: 77
	}, c);
	var d = Blockly.createSvgElement("image", {
		width: Blockly.SPRITE.width,
		height: Blockly.SPRITE.height,
		x: -64,
		y: -15,
		"clip-path": "url(#blocklyZoomoutClipPath" + b + ")"
	}, this.svgGroup_);
	d.setAttributeNS("http://www.w3.org/1999/xlink", "xlink:href", a.options.pathToMedia + Blockly.SPRITE.url);
	c = Blockly.createSvgElement("clipPath", {
		id: "blocklyZoominClipPath" + b
	}, this.svgGroup_);
	Blockly.createSvgElement("rect", {
		width: 32,
		height: 32,
		y: 43
	}, c);
	var e = Blockly.createSvgElement("image", {
		width: Blockly.SPRITE.width,
		height: Blockly.SPRITE.height,
		x: -32,
		y: -49,
		"clip-path": "url(#blocklyZoominClipPath" + b + ")"
	}, this.svgGroup_);
	e.setAttributeNS("http://www.w3.org/1999/xlink", "xlink:href", a.options.pathToMedia +
		Blockly.SPRITE.url);
	c = Blockly.createSvgElement("clipPath", {
		id: "blocklyZoomresetClipPath" + b
	}, this.svgGroup_);
	Blockly.createSvgElement("rect", {
		width: 32,
		height: 32
	}, c);
	b = Blockly.createSvgElement("image", {
		width: Blockly.SPRITE.width,
		height: Blockly.SPRITE.height,
		y: -92,
		"clip-path": "url(#blocklyZoomresetClipPath" + b + ")"
	}, this.svgGroup_);
	b.setAttributeNS("http://www.w3.org/1999/xlink", "xlink:href", a.options.pathToMedia + Blockly.SPRITE.url);
	Blockly.bindEventWithChecks_(b, "mousedown", null, function (b) {
		a.markFocused();
		a.setScale(a.options.zoomOptions.startScale);
		a.scrollCenter();
		Blockly.Touch.clearTouchIdentifier();
		b.stopPropagation();
		b.preventDefault()
	});
	Blockly.bindEventWithChecks_(e, "mousedown", null, function (b) {
		a.markFocused();
		a.zoomCenter(1);
		Blockly.Touch.clearTouchIdentifier();
		b.stopPropagation();
		b.preventDefault()
	});
	Blockly.bindEventWithChecks_(d, "mousedown", null, function (b) {
		a.markFocused();
		a.zoomCenter(-1);
		Blockly.Touch.clearTouchIdentifier();
		b.stopPropagation();
		b.preventDefault()
	});
	return this.svgGroup_
};
Blockly.ZoomControls.prototype.init = function (a) {
	this.bottom_ = this.MARGIN_BOTTOM_ + a;
	return this.bottom_ + this.HEIGHT_
};
Blockly.ZoomControls.prototype.dispose = function () {
	this.svgGroup_ && (goog.dom.removeNode(this.svgGroup_), this.svgGroup_ = null);
	this.workspace_ = null
};
Blockly.ZoomControls.prototype.position = function () {
	var a = this.workspace_.getMetrics();
	a && (this.workspace_.RTL ? (this.left_ = this.MARGIN_SIDE_ + Blockly.Scrollbar.scrollbarThickness, a.toolboxPosition == Blockly.TOOLBOX_AT_LEFT && (this.left_ += a.flyoutWidth, this.workspace_.toolbox_ && (this.left_ += a.absoluteLeft))) : (this.left_ = a.viewWidth + a.absoluteLeft - this.WIDTH_ - this.MARGIN_SIDE_ - Blockly.Scrollbar.scrollbarThickness, a.toolboxPosition == Blockly.TOOLBOX_AT_RIGHT && (this.left_ -= a.flyoutWidth)), this.top_ = a.viewHeight +
		a.absoluteTop - this.HEIGHT_ - this.bottom_, a.toolboxPosition == Blockly.TOOLBOX_AT_BOTTOM && (this.top_ -= a.flyoutHeight), this.svgGroup_.setAttribute("transform", "translate(" + this.left_ + "," + this.top_ + ")"))
};
// Copyright 2014 Google Inc.  Apache License 2.0
Blockly.WorkspaceSvg = function (a) {
	Blockly.WorkspaceSvg.superClass_.constructor.call(this, a);
	this.getMetrics = a.getMetrics || Blockly.WorkspaceSvg.getTopLevelWorkspaceMetrics_;
	this.setMetrics = a.setMetrics || Blockly.WorkspaceSvg.setTopLevelWorkspaceMetrics_;
	Blockly.ConnectionDB.init(this);
	this.SOUNDS_ = Object.create(null);
	this.highlightedBlocks_ = []
};
goog.inherits(Blockly.WorkspaceSvg, Blockly.Workspace);
Blockly.WorkspaceSvg.prototype.resizeHandlerWrapper_ = null;
Blockly.WorkspaceSvg.prototype.rendered = !0;
Blockly.WorkspaceSvg.prototype.isFlyout = !1;
Blockly.WorkspaceSvg.prototype.isMutator = !1;
Blockly.WorkspaceSvg.prototype.dragMode_ = Blockly.DRAG_NONE;
Blockly.WorkspaceSvg.prototype.resizesEnabled_ = !0;
Blockly.WorkspaceSvg.prototype.scrollX = 0;
Blockly.WorkspaceSvg.prototype.scrollY = 0;
Blockly.WorkspaceSvg.prototype.startScrollX = 0;
Blockly.WorkspaceSvg.prototype.startScrollY = 0;
Blockly.WorkspaceSvg.prototype.dragDeltaXY_ = null;
Blockly.WorkspaceSvg.prototype.scale = 1;
Blockly.WorkspaceSvg.prototype.trashcan = null;
Blockly.WorkspaceSvg.prototype.scrollbar = null;
Blockly.WorkspaceSvg.prototype.lastSound_ = null;
Blockly.WorkspaceSvg.prototype.lastRecordedPageScroll_ = null;
Blockly.WorkspaceSvg.prototype.inverseScreenCTM_ = null;
Blockly.WorkspaceSvg.prototype.getInverseScreenCTM = function () {
	return this.inverseScreenCTM_
};
Blockly.WorkspaceSvg.prototype.updateInverseScreenCTM = function () {
	var a = this.getParentSvg().getScreenCTM();
	a && (this.inverseScreenCTM_ = a.inverse())
};
Blockly.WorkspaceSvg.prototype.setResizeHandlerWrapper = function (a) {
	this.resizeHandlerWrapper_ = a
};
Blockly.WorkspaceSvg.prototype.createDom = function (a) {
	this.svgGroup_ = Blockly.createSvgElement("g", {
		"class": "blocklyWorkspace"
	}, null);
	a && (this.svgBackground_ = Blockly.createSvgElement("rect", {
		height: "100%",
		width: "100%",
		"class": a
	}, this.svgGroup_), "blocklyMainBackground" == a && (this.svgBackground_.style.fill = "url(#" + this.options.gridPattern.id + ")"));
	this.svgBlockCanvas_ = Blockly.createSvgElement("g", {
		"class": "blocklyBlockCanvas"
	}, this.svgGroup_, this);
	this.svgBubbleCanvas_ = Blockly.createSvgElement("g", {
		"class": "blocklyBubbleCanvas"
	},
		this.svgGroup_, this);
	a = Blockly.Scrollbar.scrollbarThickness;
	this.options.hasTrashcan && (a = this.addTrashcan_(a));
	this.options.zoomOptions && this.options.zoomOptions.controls && (a = this.addZoomControls_(a));
	if (!this.isFlyout) {
		Blockly.bindEventWithChecks_(this.svgGroup_, "mousedown", this, this.onMouseDown_);
		var b = this;
		Blockly.bindEvent_(this.svgGroup_, "touchstart", null, function (a) {
			Blockly.longStart_(a, b)
		});
		this.options.zoomOptions && this.options.zoomOptions.wheel && Blockly.bindEventWithChecks_(this.svgGroup_,
			"wheel", this, this.onMouseWheel_)
	}
	this.options.hasCategories ? this.toolbox_ = new Blockly.Toolbox(this) : this.options.languageTree && this.addFlyout_();
	this.updateGridPattern_();
	this.recordDeleteAreas();
	return this.svgGroup_
};
Blockly.WorkspaceSvg.prototype.dispose = function () {
	this.rendered = !1;
	Blockly.WorkspaceSvg.superClass_.dispose.call(this);
	this.svgGroup_ && (goog.dom.removeNode(this.svgGroup_), this.svgGroup_ = null);
	this.svgBubbleCanvas_ = this.svgBlockCanvas_ = null;
	this.toolbox_ && (this.toolbox_.dispose(), this.toolbox_ = null);
	this.flyout_ && (this.flyout_.dispose(), this.flyout_ = null);
	this.trashcan && (this.trashcan.dispose(), this.trashcan = null);
	this.scrollbar && (this.scrollbar.dispose(), this.scrollbar = null);
	this.zoomControls_ &&
		(this.zoomControls_.dispose(), this.zoomControls_ = null);
	this.options.parentWorkspace || goog.dom.removeNode(this.getParentSvg().parentNode);
	this.resizeHandlerWrapper_ && (Blockly.unbindEvent_(this.resizeHandlerWrapper_), this.resizeHandlerWrapper_ = null)
};
Blockly.WorkspaceSvg.prototype.newBlock = function (a, b) {
	return new Blockly.BlockSvg(this, a, b)
};
Blockly.WorkspaceSvg.prototype.addTrashcan_ = function (a) {
	this.trashcan = new Blockly.Trashcan(this);
	var b = this.trashcan.createDom();
	this.svgGroup_.insertBefore(b, this.svgBlockCanvas_);
	return this.trashcan.init(a)
};
Blockly.WorkspaceSvg.prototype.addZoomControls_ = function (a) {
	this.zoomControls_ = new Blockly.ZoomControls(this);
	var b = this.zoomControls_.createDom();
	this.svgGroup_.appendChild(b);
	return this.zoomControls_.init(a)
};
Blockly.WorkspaceSvg.prototype.addFlyout_ = function () {
	this.flyout_ = new Blockly.Flyout({
		disabledPatternId: this.options.disabledPatternId,
		parentWorkspace: this,
		RTL: this.RTL,
		oneBasedIndex: this.options.oneBasedIndex,
		horizontalLayout: this.horizontalLayout,
		toolboxPosition: this.options.toolboxPosition
	});
	this.flyout_.autoClose = !1;
	var a = this.flyout_.createDom();
	this.svgGroup_.insertBefore(a, this.svgBlockCanvas_)
};
Blockly.WorkspaceSvg.prototype.updateScreenCalculations_ = function () {
	this.updateInverseScreenCTM();
	this.recordDeleteAreas()
};
Blockly.WorkspaceSvg.prototype.resizeContents = function () {
	this.resizesEnabled_ && this.rendered && (this.scrollbar && this.scrollbar.resize(), this.updateInverseScreenCTM())
};
Blockly.WorkspaceSvg.prototype.resize = function () {
	this.toolbox_ && this.toolbox_.position();
	this.flyout_ && this.flyout_.position();
	this.trashcan && this.trashcan.position();
	this.zoomControls_ && this.zoomControls_.position();
	this.scrollbar && this.scrollbar.resize();
	this.updateScreenCalculations_()
};
Blockly.WorkspaceSvg.prototype.updateScreenCalculationsIfScrolled = function () {
	var a = goog.dom.getDocumentScroll();
	goog.math.Coordinate.equals(this.lastRecordedPageScroll_, a) || (this.lastRecordedPageScroll_ = a, this.updateScreenCalculations_())
};
Blockly.WorkspaceSvg.prototype.getCanvas = function () {
	return this.svgBlockCanvas_
};
Blockly.WorkspaceSvg.prototype.getBubbleCanvas = function () {
	return this.svgBubbleCanvas_
};
Blockly.WorkspaceSvg.prototype.getParentSvg = function () {
	if (this.cachedParentSvg_) return this.cachedParentSvg_;
	for (var a = this.svgGroup_; a;) {
		if ("svg" == a.tagName) return this.cachedParentSvg_ = a;
		a = a.parentNode
	}
	return null
};
Blockly.WorkspaceSvg.prototype.translate = function (a, b) {
	var c = "translate(" + a + "," + b + ") scale(" + this.scale + ")";
	this.svgBlockCanvas_.setAttribute("transform", c);
	this.svgBubbleCanvas_.setAttribute("transform", c)
};
Blockly.WorkspaceSvg.prototype.getWidth = function () {
	var a = this.getMetrics();
	return a ? a.viewWidth / this.scale : 0
};
Blockly.WorkspaceSvg.prototype.setVisible = function (a) {
	this.getParentSvg().style.display = a ? "block" : "none";
	this.toolbox_ && (this.toolbox_.HtmlDiv.style.display = a ? "block" : "none");
	a ? (this.render(), this.toolbox_ && this.toolbox_.position()) : Blockly.hideChaff(!0)
};
Blockly.WorkspaceSvg.prototype.render = function () {
	for (var a = this.getAllBlocks(), b = a.length - 1; 0 <= b; b--) a[b].render(!1)
};
Blockly.WorkspaceSvg.prototype.traceOn = function () {
	console.warn("Deprecated call to traceOn, delete this.")
};
Blockly.WorkspaceSvg.prototype.highlightBlock = function (a, b) {
	if (void 0 === b) {
		for (var c = 0, d; d = this.highlightedBlocks_[c]; c++) d.setHighlighted(!1);
		this.highlightedBlocks_.length = 0
	}
	if (d = a ? this.getBlockById(a) : null) (c = void 0 === b || b) ? -1 == this.highlightedBlocks_.indexOf(d) && this.highlightedBlocks_.push(d) : goog.array.remove(this.highlightedBlocks_, d), d.setHighlighted(c)
};
Blockly.WorkspaceSvg.prototype.paste = function (a) {
	if (this.rendered && !(a.getElementsByTagName("block").length >= this.remainingCapacity())) {
		Blockly.terminateDrag_();
		Blockly.Events.disable();
		try {
			var b = Blockly.Xml.domToBlock(a, this),
				c = parseInt(a.getAttribute("x"), 10),
				d = parseInt(a.getAttribute("y"), 10);
			if (!isNaN(c) && !isNaN(d)) {
				this.RTL && (c = -c);
				do {
					a = !1;
					for (var e = this.getAllBlocks(), f = 0, g; g = e[f]; f++) {
						var h = g.getRelativeToSurfaceXY();
						if (1 >= Math.abs(c - h.x) && 1 >= Math.abs(d - h.y)) {
							a = !0;
							break
						}
					}
					if (!a)
						for (var k = b.getConnections_(!1),
								f = 0, m; m = k[f]; f++)
							if (m.closest(Blockly.SNAP_RADIUS, new goog.math.Coordinate(c, d)).connection) {
								a = !0;
								break
							}
					a && (c = this.RTL ? c - Blockly.SNAP_RADIUS : c + Blockly.SNAP_RADIUS, d += 2 * Blockly.SNAP_RADIUS)
				} while (a);
				b.moveBy(c, d)
			}
		} finally {
			Blockly.Events.enable()
		}
		Blockly.Events.isEnabled() && !b.isShadow() && Blockly.Events.fire(new Blockly.Events.Create(b));
		b.select()
	}
};
Blockly.WorkspaceSvg.prototype.createVariable = function (a) {
	Blockly.WorkspaceSvg.superClass_.createVariable.call(this, a);
	this.toolbox_ && this.toolbox_.flyout_ && !Blockly.Flyout.startFlyout_ && this.toolbox_.refreshSelection()
};
Blockly.WorkspaceSvg.prototype.recordDeleteAreas = function () {
	this.deleteAreaTrash_ = this.trashcan ? this.trashcan.getClientRect() : null;
	this.deleteAreaToolbox_ = this.flyout_ ? this.flyout_.getClientRect() : this.toolbox_ ? this.toolbox_.getClientRect() : null
};
Blockly.WorkspaceSvg.prototype.isDeleteArea = function (a) {
	a = new goog.math.Coordinate(a.clientX, a.clientY);
	if (this.deleteAreaTrash_) {
		if (this.deleteAreaTrash_.contains(a)) return this.trashcan.setOpen_(!0), Blockly.Css.setCursor(Blockly.Css.Cursor.DELETE), !0;
		this.trashcan.setOpen_(!1)
	}
	if (this.deleteAreaToolbox_ && this.deleteAreaToolbox_.contains(a)) return Blockly.Css.setCursor(Blockly.Css.Cursor.DELETE), !0;
	Blockly.Css.setCursor(Blockly.Css.Cursor.CLOSED);
	return !1
};
Blockly.WorkspaceSvg.prototype.onMouseDown_ = function (a) {
	this.markFocused();
	Blockly.isTargetInput_(a) ? Blockly.Touch.clearTouchIdentifier() : (Blockly.terminateDrag_(), Blockly.hideChaff(), a.target && a.target.nodeName && ("svg" == a.target.nodeName.toLowerCase() || a.target == this.svgBackground_) && Blockly.selected && !this.options.readOnly && Blockly.selected.unselect(), Blockly.isRightButton(a) ? (this.showContextMenu_(a), Blockly.Touch.clearTouchIdentifier()) : this.scrollbar ? (this.dragMode_ = Blockly.DRAG_BEGIN, this.startDragMouseX =
		a.clientX, this.startDragMouseY = a.clientY, this.startDragMetrics = this.getMetrics(), this.startScrollX = this.scrollX, this.startScrollY = this.scrollY, "mouseup" in Blockly.Touch.TOUCH_MAP && (Blockly.Touch.onTouchUpWrapper_ = Blockly.Touch.onTouchUpWrapper_ || [], Blockly.Touch.onTouchUpWrapper_ = Blockly.Touch.onTouchUpWrapper_.concat(Blockly.bindEventWithChecks_(document, "mouseup", null, Blockly.onMouseUp_))), Blockly.onMouseMoveWrapper_ = Blockly.onMouseMoveWrapper_ || [], Blockly.onMouseMoveWrapper_ = Blockly.onMouseMoveWrapper_.concat(Blockly.bindEventWithChecks_(document,
			"mousemove", null, Blockly.onMouseMove_))) : Blockly.Touch.clearTouchIdentifier(), a.stopPropagation(), a.preventDefault())
};
Blockly.WorkspaceSvg.prototype.startDrag = function (a, b) {
	var c = Blockly.mouseToSvg(a, this.getParentSvg(), this.getInverseScreenCTM());
	c.x /= this.scale;
	c.y /= this.scale;
	this.dragDeltaXY_ = goog.math.Coordinate.difference(b, c)
};
Blockly.WorkspaceSvg.prototype.moveDrag = function (a) {
	a = Blockly.mouseToSvg(a, this.getParentSvg(), this.getInverseScreenCTM());
	a.x /= this.scale;
	a.y /= this.scale;
	return goog.math.Coordinate.sum(this.dragDeltaXY_, a)
};
Blockly.WorkspaceSvg.prototype.isDragging = function () {
	return Blockly.dragMode_ == Blockly.DRAG_FREE || Blockly.Flyout.startFlyout_ && Blockly.Flyout.startFlyout_.dragMode_ == Blockly.DRAG_FREE || this.dragMode_ == Blockly.DRAG_FREE
};
Blockly.WorkspaceSvg.prototype.onMouseWheel_ = function (a) {
	Blockly.terminateDrag_();
	var b = 0 < a.deltaY ? -1 : 1,
		c = Blockly.mouseToSvg(a, this.getParentSvg(), this.getInverseScreenCTM());
	this.zoom(c.x, c.y, b);
	a.preventDefault()
};
Blockly.WorkspaceSvg.prototype.getBlocksBoundingBox = function () {
	var a = this.getTopBlocks(!1);
	if (!a.length) return {
		x: 0,
		y: 0,
		width: 0,
		height: 0
	};
	for (var b = a[0].getBoundingRectangle(), c = 1; c < a.length; c++) {
		var d = a[c].getBoundingRectangle();
		d.topLeft.x < b.topLeft.x && (b.topLeft.x = d.topLeft.x);
		d.bottomRight.x > b.bottomRight.x && (b.bottomRight.x = d.bottomRight.x);
		d.topLeft.y < b.topLeft.y && (b.topLeft.y = d.topLeft.y);
		d.bottomRight.y > b.bottomRight.y && (b.bottomRight.y = d.bottomRight.y)
	}
	return {
		x: b.topLeft.x,
		y: b.topLeft.y,
		width: b.bottomRight.x -
			b.topLeft.x,
		height: b.bottomRight.y - b.topLeft.y
	}
};
Blockly.WorkspaceSvg.prototype.cleanUp = function () {
	Blockly.Events.setGroup(!0);
	for (var a = this.getTopBlocks(!0), b = 0, c = 0, d; d = a[c]; c++) {
		var e = d.getRelativeToSurfaceXY();
		d.moveBy(-e.x, b - e.y);
		d.snapToGrid();
		b = d.getRelativeToSurfaceXY().y + d.getHeightWidth().height + Blockly.BlockSvg.MIN_BLOCK_Y
	}
	Blockly.Events.setGroup(!1);
	this.resizeContents()
};
Blockly.WorkspaceSvg.prototype.showContextMenu_ = function (a) {
	function b(a) {
		if (a.isDeletable()) l = l.concat(a.getDescendants());
		else {
			a = a.getChildren();
			for (var c = 0; c < a.length; c++) b(a[c])
		}
	}

	function c() {
		Blockly.Events.setGroup(f);
		var a = l.shift();
		a && (a.workspace ? (a.dispose(!1, !0), setTimeout(c, 10)) : c());
		Blockly.Events.setGroup(!1)
	}
	if (!this.options.readOnly && !this.isFlyout) {
		var d = [],
			e = this.getTopBlocks(!0),
			f = Blockly.genUid(),
			g = {};
		g.text = Blockly.Msg.UNDO;
		g.enabled = 0 < this.undoStack_.length;
		g.callback = this.undo.bind(this, !1);
		d.push(g);
		g = {};
		g.text = Blockly.Msg.REDO;
		g.enabled = 0 < this.redoStack_.length;
		g.callback = this.undo.bind(this, !0);
		d.push(g);
		this.scrollbar && (g = {}, g.text = Blockly.Msg.CLEAN_UP, g.enabled = 1 < e.length, g.callback = this.cleanUp.bind(this), d.push(g));
		if (this.options.collapse) {
			for (var h = g = !1, k = 0; k < e.length; k++)
				for (var m = e[k]; m;) m.isCollapsed() ? g = !0 : h = !0, m = m.getNextBlock();
			var p = function (a) {
				for (var b = 0, c = 0; c < e.length; c++)
					for (var d = e[c]; d;) setTimeout(d.setCollapsed.bind(d, a), b), d = d.getNextBlock(), b += 10
			},
				h = {
                	enabled: h
				};
			h.text = Blockly.Msg.COLLAPSE_ALL;
			h.callback = function () {
				p(!0)
			};
			d.push(h);
			g = {
				enabled: g
			};
			g.text = Blockly.Msg.EXPAND_ALL;
			g.callback = function () {
				p(!1)
			};
			d.push(g)
		}
		for (var l = [], k = 0; k < e.length; k++) b(e[k]);
		g = {
			text: 1 == l.length ? Blockly.Msg.DELETE_BLOCK : Blockly.Msg.DELETE_X_BLOCKS.replace("%1", String(l.length)),
			enabled: 0 < l.length,
			callback: function () {
				2 > l.length ? c() : Blockly.confirm(Blockly.Msg.DELETE_ALL_BLOCKS.replace("%1", l.length), function (a) {
					a && c()
				})
			}
		};
		d.push(g);
		Blockly.ContextMenu.show(a, d, this.RTL)
	}
};
Blockly.WorkspaceSvg.prototype.loadAudio_ = function (a, b) {
	if (a.length) {
		try {
			var c = new window.Audio
		} catch (h) {
			return
		}
		for (var d, e = 0; e < a.length; e++) {
			var f = a[e],
				g = f.match(/\.(\w+)$/);
			if (g && c.canPlayType("audio/" + g[1])) {
				d = new window.Audio(f);
				break
			}
		}
		d && d.play && (this.SOUNDS_[b] = d)
	}
};
Blockly.WorkspaceSvg.prototype.preloadAudio_ = function () {
	for (var a in this.SOUNDS_) {
		var b = this.SOUNDS_[a];
		b.volume = .01;
		b.play();
		b.pause();
		if (goog.userAgent.IPAD || goog.userAgent.IPHONE) break
	}
};
Blockly.WorkspaceSvg.prototype.playAudio = function (a, b) {
	var c = this.SOUNDS_[a];
	if (c) {
		var d = new Date;
		d - this.lastSound_ < Blockly.SOUND_LIMIT || (this.lastSound_ = d, c = goog.userAgent.DOCUMENT_MODE && 9 === goog.userAgent.DOCUMENT_MODE || goog.userAgent.IPAD || goog.userAgent.ANDROID ? c : c.cloneNode(), c.volume = void 0 === b ? 1 : b, c.play())
	} else this.options.parentWorkspace && this.options.parentWorkspace.playAudio(a, b)
};
Blockly.WorkspaceSvg.prototype.updateToolbox = function (a) {
	if (a = Blockly.Options.parseToolboxTree(a)) {
		if (!this.options.languageTree) throw "Existing toolbox is null.  Can't create new toolbox.";
		if (a.getElementsByTagName("category").length) {
			if (!this.toolbox_) throw "Existing toolbox has no categories.  Can't change mode.";
			this.options.languageTree = a;
			this.toolbox_.populate_(a);
			this.toolbox_.addColour_()
		} else {
			if (!this.flyout_) throw "Existing toolbox has categories.  Can't change mode.";
			this.options.languageTree =
				a;
			this.flyout_.show(a.childNodes)
		}
	} else if (this.options.languageTree) throw "Can't nullify an existing toolbox.";
};
Blockly.WorkspaceSvg.prototype.markFocused = function () {
	this.options.parentWorkspace ? this.options.parentWorkspace.markFocused() : Blockly.mainWorkspace = this
};
Blockly.WorkspaceSvg.prototype.zoom = function (a, b, c) {
	var d = this.options.zoomOptions.scaleSpeed,
		e = this.getMetrics(),
		f = this.getParentSvg().createSVGPoint();
	f.x = a;
	f.y = b;
	f = f.matrixTransform(this.getCanvas().getCTM().inverse());
	a = f.x;
	b = f.y;
	f = this.getCanvas();
	d = 1 == c ? d : 1 / d;
	c = this.scale * d;
	c > this.options.zoomOptions.maxScale ? d = this.options.zoomOptions.maxScale / this.scale : c < this.options.zoomOptions.minScale && (d = this.options.zoomOptions.minScale / this.scale);
	this.scale != c && (this.scrollbar && (a = f.getCTM().translate(a *
		(1 - d), b * (1 - d)).scale(d), this.scrollX = a.e - e.absoluteLeft, this.scrollY = a.f - e.absoluteTop), this.setScale(c))
};
Blockly.WorkspaceSvg.prototype.zoomCenter = function (a) {
	var b = this.getMetrics();
	this.zoom(b.viewWidth / 2, b.viewHeight / 2, a)
};
Blockly.WorkspaceSvg.prototype.zoomToFit = function () {
	var a = this.getMetrics(),
		b = this.getBlocksBoundingBox(),
		c = b.width,
		b = b.height;
	if (c) {
		var d = a.viewWidth,
			e = a.viewHeight;
		this.flyout_ && (d -= this.flyout_.width_);
		this.scrollbar || (c += a.contentLeft, b += a.contentTop);
		this.setScale(Math.min(d / c, e / b));
		this.scrollCenter()
	}
};
Blockly.WorkspaceSvg.prototype.scrollCenter = function () {
	if (this.scrollbar) {
		var a = this.getMetrics(),
			b = (a.contentWidth - a.viewWidth) / 2;
		this.flyout_ && (b -= this.flyout_.width_ / 2);
		this.scrollbar.set(b, (a.contentHeight - a.viewHeight) / 2)
	}
};
Blockly.WorkspaceSvg.prototype.setScale = function (a) {
	this.options.zoomOptions.maxScale && a > this.options.zoomOptions.maxScale ? a = this.options.zoomOptions.maxScale : this.options.zoomOptions.minScale && a < this.options.zoomOptions.minScale && (a = this.options.zoomOptions.minScale);
	this.scale = a;
	this.updateGridPattern_();
	this.scrollbar ? this.scrollbar.resize() : this.translate(this.scrollX, this.scrollY);
	Blockly.hideChaff(!1);
	this.flyout_ && this.flyout_.reflow()
};
Blockly.WorkspaceSvg.prototype.updateGridPattern_ = function () {
	if (this.options.gridPattern) {
		var a = this.options.gridOptions.spacing * this.scale || 100;
		this.options.gridPattern.setAttribute("width", a);
		this.options.gridPattern.setAttribute("height", a);
		var a = Math.floor(this.options.gridOptions.spacing / 2) + .5,
			b = a - this.options.gridOptions.length / 2,
			c = a + this.options.gridOptions.length / 2,
			d = this.options.gridPattern.firstChild,
			e = d && d.nextSibling,
			a = a * this.scale,
			b = b * this.scale,
			c = c * this.scale;
		d && (d.setAttribute("stroke-width",
			this.scale), d.setAttribute("x1", b), d.setAttribute("y1", a), d.setAttribute("x2", c), d.setAttribute("y2", a));
		e && (e.setAttribute("stroke-width", this.scale), e.setAttribute("x1", a), e.setAttribute("y1", b), e.setAttribute("x2", a), e.setAttribute("y2", c))
	}
};
Blockly.WorkspaceSvg.getTopLevelWorkspaceMetrics_ = function () {
	var a = Blockly.svgSize(this.getParentSvg());
	if (this.toolbox_)
		if (this.toolboxPosition == Blockly.TOOLBOX_AT_TOP || this.toolboxPosition == Blockly.TOOLBOX_AT_BOTTOM) a.height -= this.toolbox_.getHeight();
		else if (this.toolboxPosition == Blockly.TOOLBOX_AT_LEFT || this.toolboxPosition == Blockly.TOOLBOX_AT_RIGHT) a.width -= this.toolbox_.getWidth();
	var b = Blockly.Flyout.prototype.CORNER_RADIUS - 1,
		c = a.width - b,
		d = a.height - b,
		e = this.getBlocksBoundingBox(),
		f = e.width *
		this.scale,
		g = e.height * this.scale,
		h = e.x * this.scale,
		k = e.y * this.scale;
	this.scrollbar ? (b = Math.min(h - c / 2, h + f - c), c = Math.max(h + f + c / 2, h + c), f = Math.min(k - d / 2, k + g - d), d = Math.max(k + g + d / 2, k + d)) : (b = e.x, c = b + e.width, f = e.y, d = f + e.height);
	e = 0;
	this.toolbox_ && this.toolboxPosition == Blockly.TOOLBOX_AT_LEFT && (e = this.toolbox_.getWidth());
	g = 0;
	this.toolbox_ && this.toolboxPosition == Blockly.TOOLBOX_AT_TOP && (g = this.toolbox_.getHeight());
	return {
		viewHeight: a.height,
		viewWidth: a.width,
		contentHeight: d - f,
		contentWidth: c - b,
		viewTop: -this.scrollY,
		viewLeft: -this.scrollX,
		contentTop: f,
		contentLeft: b,
		absoluteTop: g,
		absoluteLeft: e,
		toolboxWidth: this.toolbox_ ? this.toolbox_.getWidth() : 0,
		toolboxHeight: this.toolbox_ ? this.toolbox_.getHeight() : 0,
		flyoutWidth: this.flyout_ ? this.flyout_.getWidth() : 0,
		flyoutHeight: this.flyout_ ? this.flyout_.getHeight() : 0,
		toolboxPosition: this.toolboxPosition
	}
};
Blockly.WorkspaceSvg.setTopLevelWorkspaceMetrics_ = function (a) {
	if (!this.scrollbar) throw "Attempt to set top level workspace scroll without scrollbars.";
	var b = this.getMetrics();
	goog.isNumber(a.x) && (this.scrollX = -b.contentWidth * a.x - b.contentLeft);
	goog.isNumber(a.y) && (this.scrollY = -b.contentHeight * a.y - b.contentTop);
	a = this.scrollX + b.absoluteLeft;
	b = this.scrollY + b.absoluteTop;
	this.translate(a, b);
	this.options.gridPattern && (this.options.gridPattern.setAttribute("x", a), this.options.gridPattern.setAttribute("y",
		b), goog.userAgent.IE && this.updateGridPattern_())
};
Blockly.WorkspaceSvg.prototype.setResizesEnabled = function (a) {
	var b = !this.resizesEnabled_ && a;
	this.resizesEnabled_ = a;
	b && this.resizeContents()
};
Blockly.WorkspaceSvg.prototype.clear = function () {
	this.setResizesEnabled(!1);
	Blockly.WorkspaceSvg.superClass_.clear.call(this);
	this.setResizesEnabled(!0)
};
Blockly.WorkspaceSvg.prototype.setVisible = Blockly.WorkspaceSvg.prototype.setVisible;
Blockly.Mutator = function (a) {
	Blockly.Mutator.superClass_.constructor.call(this, null);
	this.quarkNames_ = a
};
goog.inherits(Blockly.Mutator, Blockly.Icon);
Blockly.Mutator.prototype.workspaceWidth_ = 0;
Blockly.Mutator.prototype.workspaceHeight_ = 0;
Blockly.Mutator.prototype.drawIcon_ = function (a) {
	Blockly.createSvgElement("rect", {
		"class": "blocklyIconShape",
		rx: "4",
		ry: "4",
		height: "16",
		width: "16"
	}, a);
	Blockly.createSvgElement("path", {
		"class": "blocklyIconSymbol",
		d: "m4.203,7.296 0,1.368 -0.92,0.677 -0.11,0.41 0.9,1.559 0.41,0.11 1.043,-0.457 1.187,0.683 0.127,1.134 0.3,0.3 1.8,0 0.3,-0.299 0.127,-1.138 1.185,-0.682 1.046,0.458 0.409,-0.11 0.9,-1.559 -0.11,-0.41 -0.92,-0.677 0,-1.366 0.92,-0.677 0.11,-0.41 -0.9,-1.559 -0.409,-0.109 -1.046,0.458 -1.185,-0.682 -0.127,-1.138 -0.3,-0.299 -1.8,0 -0.3,0.3 -0.126,1.135 -1.187,0.682 -1.043,-0.457 -0.41,0.11 -0.899,1.559 0.108,0.409z"
	}, a);
	Blockly.createSvgElement("circle", {
		"class": "blocklyIconShape",
		r: "2.7",
		cx: "8",
		cy: "8"
	}, a)
};
Blockly.Mutator.prototype.iconClick_ = function (a) {
	this.block_.isEditable() && Blockly.Icon.prototype.iconClick_.call(this, a)
};
Blockly.Mutator.prototype.createEditor_ = function () {
	this.svgDialog_ = Blockly.createSvgElement("svg", {
		x: Blockly.Bubble.BORDER_WIDTH,
		y: Blockly.Bubble.BORDER_WIDTH
	}, null);
	if (this.quarkNames_.length)
		for (var a = goog.dom.createDom("xml"), b = 0, c; c = this.quarkNames_[b]; b++) a.appendChild(goog.dom.createDom("block", {
			type: c
		}));
	else a = null;
	a = {
		languageTree: a,
		parentWorkspace: this.block_.workspace,
		pathToMedia: this.block_.workspace.options.pathToMedia,
		RTL: this.block_.RTL,
		toolboxPosition: this.block_.RTL ? Blockly.TOOLBOX_AT_RIGHT : Blockly.TOOLBOX_AT_LEFT,
		horizontalLayout: !1,
		getMetrics: this.getFlyoutMetrics_.bind(this),
		setMetrics: null
	};
	this.workspace_ = new Blockly.WorkspaceSvg(a);
	this.workspace_.isMutator = !0;
	this.svgDialog_.appendChild(this.workspace_.createDom("blocklyMutatorBackground"));
	return this.svgDialog_
};
Blockly.Mutator.prototype.updateEditable = function () {
	this.block_.isInFlyout || (this.block_.isEditable() ? this.iconGroup_ && Blockly.removeClass_(this.iconGroup_, "blocklyIconGroupReadonly") : (this.setVisible(!1), this.iconGroup_ && Blockly.addClass_(this.iconGroup_, "blocklyIconGroupReadonly")));
	Blockly.Icon.prototype.updateEditable.call(this)
};
Blockly.Mutator.prototype.resizeBubble_ = function () {
	var a = 2 * Blockly.Bubble.BORDER_WIDTH,
		b = this.workspace_.getCanvas().getBBox(),
		c;
	c = this.block_.RTL ? -b.x : b.width + b.x;
	b = b.height + 3 * a;
	if (this.workspace_.flyout_) var d = this.workspace_.flyout_.getMetrics_(),
		b = Math.max(b, d.contentHeight + 20);
	c += 3 * a;
	if (Math.abs(this.workspaceWidth_ - c) > a || Math.abs(this.workspaceHeight_ - b) > a) this.workspaceWidth_ = c, this.workspaceHeight_ = b, this.bubble_.setBubbleSize(c + a, b + a), this.svgDialog_.setAttribute("width", this.workspaceWidth_),
		this.svgDialog_.setAttribute("height", this.workspaceHeight_);
	this.block_.RTL && (a = "translate(" + this.workspaceWidth_ + ",0)", this.workspace_.getCanvas().setAttribute("transform", a));
	this.workspace_.resize()
};
Blockly.Mutator.prototype.setVisible = function (a) {
	if (a != this.isVisible())
		if (Blockly.Events.fire(new Blockly.Events.Ui(this.block_, "mutatorOpen", !a, a)), a) {
			this.bubble_ = new Blockly.Bubble(this.block_.workspace, this.createEditor_(), this.block_.svgPath_, this.iconXY_, null, null);
			if (a = this.workspace_.options.languageTree) this.workspace_.flyout_.init(this.workspace_), this.workspace_.flyout_.show(a.childNodes);
			this.rootBlock_ = this.block_.decompose(this.workspace_);
			a = this.rootBlock_.getDescendants();
			for (var b =
					0, c; c = a[b]; b++) c.render();
			this.rootBlock_.setMovable(!1);
			this.rootBlock_.setDeletable(!1);
			this.workspace_.flyout_ ? (a = 2 * this.workspace_.flyout_.CORNER_RADIUS, b = this.workspace_.flyout_.width_ + a) : b = a = 16;
			this.block_.RTL && (b = -b);
			this.rootBlock_.moveBy(b, a);
			if (this.block_.saveConnections) {
				var d = this;
				this.block_.saveConnections(this.rootBlock_);
				this.sourceListener_ = function () {
					d.block_.saveConnections(d.rootBlock_)
				};
				this.block_.workspace.addChangeListener(this.sourceListener_)
			}
			this.resizeBubble_();
			this.workspace_.addChangeListener(this.workspaceChanged_.bind(this));
			this.updateColour()
		} else this.svgDialog_ = null, this.workspace_.dispose(), this.rootBlock_ = this.workspace_ = null, this.bubble_.dispose(), this.bubble_ = null, this.workspaceHeight_ = this.workspaceWidth_ = 0, this.sourceListener_ && (this.block_.workspace.removeChangeListener(this.sourceListener_), this.sourceListener_ = null)
};
Blockly.Mutator.prototype.workspaceChanged_ = function () {
	if (Blockly.dragMode_ == Blockly.DRAG_NONE)
		for (var a = this.workspace_.getTopBlocks(!1), b = 0, c; c = a[b]; b++) {
			var d = c.getRelativeToSurfaceXY(),
				e = c.getHeightWidth();
			20 > d.y + e.height && c.moveBy(0, 20 - e.height - d.y)
		}
	if (this.rootBlock_.workspace == this.workspace_) {
		Blockly.Events.setGroup(!0);
		c = this.block_;
		a = (a = c.mutationToDom()) && Blockly.Xml.domToText(a);
		b = c.rendered;
		c.rendered = !1;
		c.compose(this.rootBlock_);
		c.rendered = b;
		c.initSvg();
		b = (b = c.mutationToDom()) && Blockly.Xml.domToText(b);
		if (a != b) {
			Blockly.Events.fire(new Blockly.Events.Change(c, "mutation", null, a, b));
			var f = Blockly.Events.getGroup();
			setTimeout(function () {
				Blockly.Events.setGroup(f);
				c.bumpNeighbours_();
				Blockly.Events.setGroup(!1)
			}, Blockly.BUMP_DELAY)
		}
		c.rendered && c.render();
		this.resizeBubble_();
		Blockly.Events.setGroup(!1)
	}
};
Blockly.Mutator.prototype.getFlyoutMetrics_ = function () {
	return {
		viewHeight: this.workspaceHeight_,
		viewWidth: this.workspaceWidth_,
		absoluteTop: 0,
		absoluteLeft: 0
	}
};
Blockly.Mutator.prototype.dispose = function () {
	this.block_.mutator = null;
	Blockly.Icon.prototype.dispose.call(this)
};
Blockly.Mutator.reconnect = function (a, b, c) {
	if (!a || !a.getSourceBlock().workspace) return !1;
	c = b.getInput(c).connection;
	var d = a.targetBlock();
	return d && d != b || c.targetConnection == a ? !1 : (c.isConnected() && c.disconnect(), c.connect(a), !0)
};
goog.global.Blockly || (goog.global.Blockly = {});
goog.global.Blockly.Mutator || (goog.global.Blockly.Mutator = {});
goog.global.Blockly.Mutator.reconnect = Blockly.Mutator.reconnect;
Blockly.Warning = function (a) {
	Blockly.Warning.superClass_.constructor.call(this, a);
	this.createIcon();
	this.text_ = {}
};
goog.inherits(Blockly.Warning, Blockly.Icon);
Blockly.Warning.prototype.collapseHidden = !1;
Blockly.Warning.prototype.drawIcon_ = function (a) {
	Blockly.createSvgElement("path", {
		"class": "blocklyIconShape",
		d: "M2,15Q-1,15 0.5,12L6.5,1.7Q8,-1 9.5,1.7L15.5,12Q17,15 14,15z"
	}, a);
	Blockly.createSvgElement("path", {
		"class": "blocklyIconSymbol",
		d: "m7,4.8v3.16l0.27,2.27h1.46l0.27,-2.27v-3.16z"
	}, a);
	Blockly.createSvgElement("rect", {
		"class": "blocklyIconSymbol",
		x: "7",
		y: "11",
		height: "2",
		width: "2"
	}, a)
};
Blockly.Warning.textToDom_ = function (a) {
	var b = Blockly.createSvgElement("text", {
		"class": "blocklyText blocklyBubbleText",
		y: Blockly.Bubble.BORDER_WIDTH
	}, null);
	a = a.split("\n");
	for (var c = 0; c < a.length; c++) {
		var d = Blockly.createSvgElement("tspan", {
			dy: "1em",
			x: Blockly.Bubble.BORDER_WIDTH
		}, b),
			e = document.createTextNode(a[c]);
		d.appendChild(e)
	}
	return b
};
Blockly.Warning.prototype.setVisible = function (a) {
	if (a != this.isVisible())
		if (Blockly.Events.fire(new Blockly.Events.Ui(this.block_, "warningOpen", !a, a)), a) {
			a = Blockly.Warning.textToDom_(this.getText());
			this.bubble_ = new Blockly.Bubble(this.block_.workspace, a, this.block_.svgPath_, this.iconXY_, null, null);
			if (this.block_.RTL)
				for (var b = a.getBBox().width, c = 0, d; d = a.childNodes[c]; c++) d.setAttribute("text-anchor", "end"), d.setAttribute("x", b + Blockly.Bubble.BORDER_WIDTH);
			this.updateColour();
			a = this.bubble_.getBubbleSize();
			this.bubble_.setBubbleSize(a.width, a.height)
		} else this.bubble_.dispose(), this.body_ = this.bubble_ = null
};
Blockly.Warning.prototype.bodyFocus_ = function (a) {
	this.bubble_.promote_()
};
Blockly.Warning.prototype.setText = function (a, b) {
	this.text_[b] != a && (a ? this.text_[b] = a : delete this.text_[b], this.isVisible() && (this.setVisible(!1), this.setVisible(!0)))
};
Blockly.Warning.prototype.getText = function () {
	var a = [],
		b;
	for (b in this.text_) a.push(this.text_[b]);
	return a.join("\n")
};
Blockly.Warning.prototype.dispose = function () {
	this.block_.warning = null;
	Blockly.Icon.prototype.dispose.call(this)
};
Blockly.Block = function (a, b, c) {
	this.id = c && !a.getBlockById(c) ? c : Blockly.genUid();
	a.blockDB_[this.id] = this;
	this.previousConnection = this.nextConnection = this.outputConnection = null;
	this.inputList = [];
	this.inputsInline = void 0;
	this.disabled = !1;
	this.tooltip = "";
	this.contextMenu = !0;
	this.parentBlock_ = null;
	this.childBlocks_ = [];
	this.editable_ = this.movable_ = this.deletable_ = !0;
	this.collapsed_ = this.isShadow_ = !1;
	this.comment = null;
	this.xy_ = new goog.math.Coordinate(0, 0);
	this.workspace = a;
	this.isInFlyout = a.isFlyout;
	this.isInMutator =
		a.isMutator;
	this.RTL = a.RTL;
	b && (this.type = b, c = Blockly.Blocks[b], goog.asserts.assertObject(c, 'Error: "%s" is an unknown language block.', b), goog.mixin(this, c));
	a.addTopBlock(this);
	goog.isFunction(this.init) && this.init();
	this.inputsInlineDefault = this.inputsInline;
	Blockly.Events.isEnabled() && Blockly.Events.fire(new Blockly.Events.Create(this));
	goog.isFunction(this.onchange) && (this.onchangeWrapper_ = this.onchange.bind(this), this.workspace.addChangeListener(this.onchangeWrapper_))
};
Blockly.Block.obtain = function (a, b) {
	console.warn("Deprecated call to Blockly.Block.obtain, use workspace.newBlock instead.");
	return a.newBlock(b)
};
Blockly.Block.prototype.data = null;
Blockly.Block.prototype.colour_ = "#000000";
Blockly.Block.prototype.dispose = function (a) {
	if (this.workspace) {
		this.onchangeWrapper_ && this.workspace.removeChangeListener(this.onchangeWrapper_);
		this.unplug(a);
		Blockly.Events.isEnabled() && Blockly.Events.fire(new Blockly.Events.Delete(this));
		Blockly.Events.disable();
		try {
			this.workspace && (this.workspace.removeTopBlock(this), delete this.workspace.blockDB_[this.id], this.workspace = null);
			for (var b = this.childBlocks_.length - 1; 0 <= b; b--) this.childBlocks_[b].dispose(!1);
			for (var b = 0, c; c = this.inputList[b]; b++) c.dispose();
			this.inputList.length = 0;
			for (var d = this.getConnections_(!0), b = 0; b < d.length; b++) {
				var e = d[b];
				e.isConnected() && e.disconnect();
				d[b].dispose()
			}
		} finally {
			Blockly.Events.enable()
		}
	}
};
Blockly.Block.prototype.unplug = function (a) {
	if (this.outputConnection) this.outputConnection.isConnected() && this.outputConnection.disconnect();
	else if (this.previousConnection) {
		var b = null;
		this.previousConnection.isConnected() && (b = this.previousConnection.targetConnection, this.previousConnection.disconnect());
		var c = this.getNextBlock();
		a && c && (a = this.nextConnection.targetConnection, a.disconnect(), b && b.checkType_(a) && b.connect(a))
	}
};
Blockly.Block.prototype.getConnections_ = function () {
	var a = [];
	this.outputConnection && a.push(this.outputConnection);
	this.previousConnection && a.push(this.previousConnection);
	this.nextConnection && a.push(this.nextConnection);
	for (var b = 0, c; c = this.inputList[b]; b++) c.connection && a.push(c.connection);
	return a
};
Blockly.Block.prototype.lastConnectionInStack_ = function () {
	for (var a = this.nextConnection; a;) {
		var b = a.targetBlock();
		if (!b) return a;
		a = b.nextConnection
	}
	return null
};
Blockly.Block.prototype.bumpNeighbours_ = function () {
	if (this.workspace && Blockly.dragMode_ == Blockly.DRAG_NONE) {
		var a = this.getRootBlock();
		if (!a.isInFlyout)
			for (var b = this.getConnections_(!1), c = 0, d; d = b[c]; c++) {
				d.isConnected() && d.isSuperior() && d.targetBlock().bumpNeighbours_();
				for (var e = d.neighbours_(Blockly.SNAP_RADIUS), f = 0, g; g = e[f]; f++) d.isConnected() && g.isConnected() || g.getSourceBlock().getRootBlock() != a && (d.isSuperior() ? g.bumpAwayFrom_(d) : d.bumpAwayFrom_(g))
			}
	}
};
Blockly.Block.prototype.getParent = function () {
	return this.parentBlock_
};
Blockly.Block.prototype.getInputWithBlock = function (a) {
	for (var b = 0, c; c = this.inputList[b]; b++)
		if (c.connection && c.connection.targetBlock() == a) return c;
	return null
};
Blockly.Block.prototype.getSurroundParent = function () {
	var a = this;
	do {
		var b = a,
			a = a.getParent();
		if (!a) return null
	} while (a.getNextBlock() == b);
	return a
};
Blockly.Block.prototype.getNextBlock = function () {
	return this.nextConnection && this.nextConnection.targetBlock()
};
Blockly.Block.prototype.getRootBlock = function () {
	var a, b = this;
	do a = b, b = a.parentBlock_; while (b);
	return a
};
Blockly.Block.prototype.getChildren = function () {
	return this.childBlocks_
};
Blockly.Block.prototype.setParent = function (a) {
	if (a != this.parentBlock_) {
		if (this.parentBlock_) {
			goog.array.remove(this.parentBlock_.childBlocks_, this);
			if (this.previousConnection && this.previousConnection.isConnected()) throw "Still connected to previous block.";
			if (this.outputConnection && this.outputConnection.isConnected()) throw "Still connected to parent block.";
			this.parentBlock_ = null
		} else this.workspace.removeTopBlock(this);
		(this.parentBlock_ = a) ? a.childBlocks_.push(this) : this.workspace.addTopBlock(this)
	}
};
Blockly.Block.prototype.getDescendants = function () {
	for (var a = [this], b, c = 0; b = this.childBlocks_[c]; c++) a.push.apply(a, b.getDescendants());
	return a
};
Blockly.Block.prototype.isDeletable = function () {
	return this.deletable_ && !this.isShadow_ && !(this.workspace && this.workspace.options.readOnly)
};
Blockly.Block.prototype.setDeletable = function (a) {
	this.deletable_ = a
};
Blockly.Block.prototype.isMovable = function () {
	return this.movable_ && !this.isShadow_ && !(this.workspace && this.workspace.options.readOnly)
};
Blockly.Block.prototype.setMovable = function (a) {
	this.movable_ = a
};
Blockly.Block.prototype.isShadow = function () {
	return this.isShadow_
};
Blockly.Block.prototype.setShadow = function (a) {
	this.isShadow_ = a
};
Blockly.Block.prototype.isEditable = function () {
	return this.editable_ && !(this.workspace && this.workspace.options.readOnly)
};
Blockly.Block.prototype.setEditable = function (a) {
	this.editable_ = a;
	a = 0;
	for (var b; b = this.inputList[a]; a++)
		for (var c = 0, d; d = b.fieldRow[c]; c++) d.updateEditable()
};
Blockly.Block.prototype.setConnectionsHidden = function (a) {
	if (!a && this.isCollapsed()) {
		if (this.outputConnection && this.outputConnection.setHidden(a), this.previousConnection && this.previousConnection.setHidden(a), this.nextConnection) {
			this.nextConnection.setHidden(a);
			var b = this.nextConnection.targetBlock();
			b && b.setConnectionsHidden(a)
		}
	} else
		for (var c = this.getConnections_(!0), d = 0; b = c[d]; d++) b.setHidden(a), b.isSuperior() && (b = b.targetBlock()) && b.setConnectionsHidden(a)
};
Blockly.Block.prototype.setHelpUrl = function (a) {
	this.helpUrl = a
};
Blockly.Block.prototype.setTooltip = function (a) {
	this.tooltip = a
};
Blockly.Block.prototype.getColour = function () {
	return this.colour_
};
Blockly.Block.prototype.setColour = function (a) {
	var b = parseFloat(a);
	if (isNaN(b))
		if (goog.isString(a) && a.match(/^#[0-9a-fA-F]{6}$/)) this.colour_ = a;
		else throw "Invalid colour: " + a;
	else this.colour_ = Blockly.hueToRgb(b)
};
Blockly.Block.prototype.getField = function (a) {
	for (var b = 0, c; c = this.inputList[b]; b++)
		for (var d = 0, e; e = c.fieldRow[d]; d++)
			if (e.name === a) return e;
	return null
};
Blockly.Block.prototype.getVars = function () {
	for (var a = [], b = 0, c; c = this.inputList[b]; b++)
		for (var d = 0, e; e = c.fieldRow[d]; d++) e instanceof Blockly.FieldVariable && a.push(e.getValue());
	return a
};
Blockly.Block.prototype.renameVar = function (a, b) {
	for (var c = 0, d; d = this.inputList[c]; c++)
		for (var e = 0, f; f = d.fieldRow[e]; e++) f instanceof Blockly.FieldVariable && Blockly.Names.equals(a, f.getValue()) && f.setValue(b)
};
Blockly.Block.prototype.getFieldValue = function (a) {
	return (a = this.getField(a)) ? a.getValue() : null
};
Blockly.Block.prototype.getTitleValue = function (a) {
	console.warn("Deprecated call to getTitleValue, use getFieldValue instead.");
	return this.getFieldValue(a)
};
Blockly.Block.prototype.setFieldValue = function (a, b) {
	var c = this.getField(b);
	goog.asserts.assertObject(c, 'Field "%s" not found.', b);
	c.setValue(a)
};
Blockly.Block.prototype.setTitleValue = function (a, b) {
	console.warn("Deprecated call to setTitleValue, use setFieldValue instead.");
	this.setFieldValue(a, b)
};
Blockly.Block.prototype.setPreviousStatement = function (a, b) {
	a ? (void 0 === b && (b = null), this.previousConnection || (goog.asserts.assert(!this.outputConnection, "Remove output connection prior to adding previous connection."), this.previousConnection = this.makeConnection_(Blockly.PREVIOUS_STATEMENT)), this.previousConnection.setCheck(b)) : this.previousConnection && (goog.asserts.assert(!this.previousConnection.isConnected(), "Must disconnect previous statement before removing connection."), this.previousConnection.dispose(),
		this.previousConnection = null)
};
Blockly.Block.prototype.setNextStatement = function (a, b) {
	a ? (void 0 === b && (b = null), this.nextConnection || (this.nextConnection = this.makeConnection_(Blockly.NEXT_STATEMENT)), this.nextConnection.setCheck(b)) : this.nextConnection && (goog.asserts.assert(!this.nextConnection.isConnected(), "Must disconnect next statement before removing connection."), this.nextConnection.dispose(), this.nextConnection = null)
};
Blockly.Block.prototype.setOutput = function (a, b) {
	a ? (void 0 === b && (b = null), this.outputConnection || (goog.asserts.assert(!this.previousConnection, "Remove previous connection prior to adding output connection."), this.outputConnection = this.makeConnection_(Blockly.OUTPUT_VALUE)), this.outputConnection.setCheck(b)) : this.outputConnection && (goog.asserts.assert(!this.outputConnection.isConnected(), "Must disconnect output value before removing connection."), this.outputConnection.dispose(), this.outputConnection =
		null)
};
Blockly.Block.prototype.setInputsInline = function (a) {
	this.inputsInline != a && (Blockly.Events.fire(new Blockly.Events.Change(this, "inline", null, this.inputsInline, a)), this.inputsInline = a)
};
Blockly.Block.prototype.getInputsInline = function () {
	if (void 0 != this.inputsInline) return this.inputsInline;
	for (var a = 1; a < this.inputList.length; a++)
		if (this.inputList[a - 1].type == Blockly.DUMMY_INPUT && this.inputList[a].type == Blockly.DUMMY_INPUT) return !1;
	for (a = 1; a < this.inputList.length; a++)
		if (this.inputList[a - 1].type == Blockly.INPUT_VALUE && this.inputList[a].type == Blockly.DUMMY_INPUT) return !0;
	return !1
};
Blockly.Block.prototype.setDisabled = function (a) {
	this.disabled != a && (Blockly.Events.fire(new Blockly.Events.Change(this, "disabled", null, this.disabled, a)), this.disabled = a)
};
Blockly.Block.prototype.getInheritedDisabled = function () {
	for (var a = this; ;) {
		a = a.getSurroundParent();
		if (!a) return !1;
		if (a.disabled) return !0
	}
};
Blockly.Block.prototype.isCollapsed = function () {
	return this.collapsed_
};
Blockly.Block.prototype.setCollapsed = function (a) {
	this.collapsed_ != a && (Blockly.Events.fire(new Blockly.Events.Change(this, "collapsed", null, this.collapsed_, a)), this.collapsed_ = a)
};
Blockly.Block.prototype.toString = function (a, b) {
	var c = [],
		d = b || "?";
	if (this.collapsed_) c.push(this.getInput("_TEMP_COLLAPSED_INPUT").fieldRow[0].text_);
	else
		for (var e = 0, f; f = this.inputList[e]; e++) {
			for (var g = 0, h; h = f.fieldRow[g]; g++) c.push(h.getText());
			f.connection && ((f = f.connection.targetBlock()) ? c.push(f.toString(void 0, b)) : c.push(d))
		}
	c = goog.string.trim(c.join(" ")) || "???";
	a && (c = goog.string.truncate(c, a));
	return c
};
Blockly.Block.prototype.appendValueInput = function (a) {
	return this.appendInput_(Blockly.INPUT_VALUE, a)
};
Blockly.Block.prototype.appendStatementInput = function (a) {
	return this.appendInput_(Blockly.NEXT_STATEMENT, a)
};
Blockly.Block.prototype.appendDummyInput = function (a) {
	return this.appendInput_(Blockly.DUMMY_INPUT, a || "")
};
Blockly.Block.prototype.jsonInit = function (a) {
	goog.asserts.assert(void 0 == a.output || void 0 == a.previousStatement, "Must not have both an output and a previousStatement.");
	void 0 !== a.colour && this.setColour(a.colour);
	for (var b = 0; void 0 !== a["message" + b];) this.interpolate_(a["message" + b], a["args" + b] || [], a["lastDummyAlign" + b]), b++;
	void 0 !== a.inputsInline && this.setInputsInline(a.inputsInline);
	void 0 !== a.output && this.setOutput(!0, a.output);
	void 0 !== a.previousStatement && this.setPreviousStatement(!0, a.previousStatement);
	void 0 !== a.nextStatement && this.setNextStatement(!0, a.nextStatement);
	void 0 !== a.tooltip && this.setTooltip(a.tooltip);
	void 0 !== a.helpUrl && this.setHelpUrl(a.helpUrl)
};
Blockly.Block.prototype.interpolate_ = function (a, b, c) {
	var d = Blockly.utils.tokenizeInterpolation(a),
		e = [],
		f = 0;
	a = [];
	for (var g = 0; g < d.length; g++) {
		var h = d[g];
		"number" == typeof h ? (goog.asserts.assert(0 < h && h <= b.length, 'Message index "%s" out of range.', h), goog.asserts.assert(!e[h], 'Message index "%s" duplicated.', h), e[h] = !0, f++, a.push(b[h - 1])) : (h = h.trim()) && a.push(h)
	}
	goog.asserts.assert(f == b.length, "Message does not reference all %s arg(s).", b.length);
	a.length && ("string" == typeof a[a.length - 1] || goog.string.startsWith(a[a.length -
		1].type, "field_")) && (g = {
        	type: "input_dummy"
		}, c && (g.align = c), a.push(g));
	c = {
		LEFT: Blockly.ALIGN_LEFT,
		RIGHT: Blockly.ALIGN_RIGHT,
		CENTRE: Blockly.ALIGN_CENTRE
	};
	b = [];
	for (g = 0; g < a.length; g++)
		if (e = a[g], "string" == typeof e) b.push([e, void 0]);
		else {
			d = f = null;
			do
				if (h = !1, "string" == typeof e) f = new Blockly.FieldLabel(e);
				else switch (e.type) {
					case "input_value":
						d = this.appendValueInput(e.name);
						break;
					case "input_statement":
						d = this.appendStatementInput(e.name);
						break;
					case "input_dummy":
						d = this.appendDummyInput(e.name);
						break;
					case "field_label":
						f =
							new Blockly.FieldLabel(e.text, e["class"]);
						break;
					case "field_input":
						f = new Blockly.FieldTextInput(e.text);
						"boolean" == typeof e.spellcheck && f.setSpellcheck(e.spellcheck);
						break;
					case "field_angle":
						f = new Blockly.FieldAngle(e.angle);
						break;
					case "field_checkbox":
						f = new Blockly.FieldCheckbox(e.checked ? "TRUE" : "FALSE");
						break;
					case "field_colour":
						f = new Blockly.FieldColour(e.colour);
						break;
					case "field_variable":
						f = new Blockly.FieldVariable(e.variable);
						break;
					case "field_dropdown":
						f = new Blockly.FieldDropdown(e.options);
						break;
					case "field_image":
						f = new Blockly.FieldImage(e.src, e.width, e.height, e.alt);
						break;
					case "field_number":
						f = new Blockly.FieldNumber(e.value, e.min, e.max, e.precision);
						break;
					case "field_date":
						if (Blockly.FieldDate) {
							f = new Blockly.FieldDate(e.date);
							break
						}
					default:
						e.alt && (e = e.alt, h = !0)
				}
			while (h);
			if (f) b.push([f, e.name]);
			else if (d) {
				e.check && d.setCheck(e.check);
				e.align && d.setAlign(c[e.align]);
				for (e = 0; e < b.length; e++) d.appendField(b[e][0], b[e][1]);
				b.length = 0
			}
		}
};
Blockly.Block.prototype.appendInput_ = function (a, b) {
	var c = null;
	if (a == Blockly.INPUT_VALUE || a == Blockly.NEXT_STATEMENT) c = this.makeConnection_(a);
	c = new Blockly.Input(a, b, this, c);
	this.inputList.push(c);
	return c
};
Blockly.Block.prototype.moveInputBefore = function (a, b) {
	if (a != b) {
		for (var c = -1, d = b ? -1 : this.inputList.length, e = 0, f; f = this.inputList[e]; e++)
			if (f.name == a) {
				if (c = e, -1 != d) break
			} else if (b && f.name == b && (d = e, -1 != c)) break;
		goog.asserts.assert(-1 != c, 'Named input "%s" not found.', a);
		goog.asserts.assert(-1 != d, 'Reference input "%s" not found.', b);
		this.moveNumberedInputBefore(c, d)
	}
};
Blockly.Block.prototype.moveNumberedInputBefore = function (a, b) {
	goog.asserts.assert(a != b, "Can't move input to itself.");
	goog.asserts.assert(a < this.inputList.length, "Input index " + a + " out of bounds.");
	goog.asserts.assert(b <= this.inputList.length, "Reference input " + b + " out of bounds.");
	var c = this.inputList[a];
	this.inputList.splice(a, 1);
	a < b && b--;
	this.inputList.splice(b, 0, c)
};
Blockly.Block.prototype.removeInput = function (a, b) {
	for (var c = 0, d; d = this.inputList[c]; c++)
		if (d.name == a) {
			if (d.connection && d.connection.isConnected()) {
				d.connection.setShadowDom(null);
				var e = d.connection.targetBlock();
				e.isShadow() ? e.dispose() : e.unplug()
			}
			d.dispose();
			this.inputList.splice(c, 1);
			return
		}
	b || goog.asserts.fail('Input "%s" not found.', a)
};
Blockly.Block.prototype.getInput = function (a) {
	for (var b = 0, c; c = this.inputList[b]; b++)
		if (c.name == a) return c;
	return null
};
Blockly.Block.prototype.getInputTargetBlock = function (a) {
	return (a = this.getInput(a)) && a.connection && a.connection.targetBlock()
};
Blockly.Block.prototype.getCommentText = function () {
	return this.comment || ""
};
Blockly.Block.prototype.setCommentText = function (a) {
	this.comment != a && (Blockly.Events.fire(new Blockly.Events.Change(this, "comment", null, this.comment, a || "")), this.comment = a)
};
Blockly.Block.prototype.setWarningText = function (a) { };
Blockly.Block.prototype.setMutator = function (a) { };
Blockly.Block.prototype.getRelativeToSurfaceXY = function () {
	return this.xy_
};
Blockly.Block.prototype.moveBy = function (a, b) {
	goog.asserts.assert(!this.parentBlock_, "Block has parent.");
	var c = new Blockly.Events.Move(this);
	this.xy_.translate(a, b);
	c.recordNew();
	Blockly.Events.fire(c)
};
Blockly.Block.prototype.makeConnection_ = function (a) {
	return new Blockly.Connection(this, a)
};
Blockly.ContextMenu = {};
Blockly.ContextMenu.currentBlock = null;
Blockly.ContextMenu.show = function (a, b, c) {
	Blockly.WidgetDiv.show(Blockly.ContextMenu, c, null);
	if (b.length) {
		var d = new goog.ui.Menu;
		d.setRightToLeft(c);
		for (var e = 0, f; f = b[e]; e++) {
			var g = new goog.ui.MenuItem(f.text);
			g.setRightToLeft(c);
			d.addChild(g, !0);
			g.setEnabled(f.enabled);
			f.enabled && (goog.events.listen(g, goog.ui.Component.EventType.ACTION, f.callback), g.handleContextMenu = function (a) {
				goog.events.dispatchEvent(this, goog.ui.Component.EventType.ACTION)
			})
		}
		goog.events.listen(d, goog.ui.Component.EventType.ACTION,
			Blockly.ContextMenu.hide);
		b = goog.dom.getViewportSize();
		e = goog.style.getViewportPageOffset(document);
		d.render(Blockly.WidgetDiv.DIV);
		var h = d.getElement();
		Blockly.addClass_(h, "blocklyContextMenu");
		Blockly.bindEventWithChecks_(h, "contextmenu", null, Blockly.noEvent);
		f = goog.style.getSize(h);
		var g = a.clientX + e.x,
			k = a.clientY + e.y;
		a.clientY + f.height >= b.height && (k -= f.height);
		c ? f.width >= a.clientX && (g += f.width) : a.clientX + f.width >= b.width && (g -= f.width);
		Blockly.WidgetDiv.position(g, k, b, e, c);
		d.setAllowAutoFocus(!0);
		setTimeout(function () {
			h.focus()
		}, 1);
		Blockly.ContextMenu.currentBlock = null
	} else Blockly.ContextMenu.hide()
};
Blockly.ContextMenu.hide = function () {
	Blockly.WidgetDiv.hideIfOwner(Blockly.ContextMenu);
	Blockly.ContextMenu.currentBlock = null
};
Blockly.ContextMenu.callbackFactory = function (a, b) {
	return function () {
		Blockly.Events.disable();
		try {
			var c = Blockly.Xml.domToBlock(b, a.workspace),
				d = a.getRelativeToSurfaceXY();
			d.x = a.RTL ? d.x - Blockly.SNAP_RADIUS : d.x + Blockly.SNAP_RADIUS;
			d.y += 2 * Blockly.SNAP_RADIUS;
			c.moveBy(d.x, d.y)
		} finally {
			Blockly.Events.enable()
		}
		Blockly.Events.isEnabled() && !c.isShadow() && Blockly.Events.fire(new Blockly.Events.Create(c));
		c.select()
	}
};
Blockly.RenderedConnection = function (a, b) {
	Blockly.RenderedConnection.superClass_.constructor.call(this, a, b);
	this.offsetInBlock_ = new goog.math.Coordinate(0, 0)
};
goog.inherits(Blockly.RenderedConnection, Blockly.Connection);
Blockly.RenderedConnection.prototype.distanceFrom = function (a) {
	var b = this.x_ - a.x_;
	a = this.y_ - a.y_;
	return Math.sqrt(b * b + a * a)
};
Blockly.RenderedConnection.prototype.bumpAwayFrom_ = function (a) {
	if (Blockly.dragMode_ == Blockly.DRAG_NONE) {
		var b = this.sourceBlock_.getRootBlock();
		if (!b.isInFlyout) {
			var c = !1;
			if (!b.isMovable()) {
				b = a.getSourceBlock().getRootBlock();
				if (!b.isMovable()) return;
				a = this;
				c = !0
			}
			var d = Blockly.selected == b;
			d || b.addSelect();
			var e = a.x_ + Blockly.SNAP_RADIUS - this.x_;
			a = a.y_ + Blockly.SNAP_RADIUS - this.y_;
			c && (a = -a);
			b.RTL && (e = -e);
			b.moveBy(e, a);
			d || b.removeSelect()
		}
	}
};
Blockly.RenderedConnection.prototype.moveTo = function (a, b) {
	this.inDB_ && this.db_.removeConnection_(this);
	this.x_ = a;
	this.y_ = b;
	this.hidden_ || this.db_.addConnection(this)
};
Blockly.RenderedConnection.prototype.moveBy = function (a, b) {
	this.moveTo(this.x_ + a, this.y_ + b)
};
Blockly.RenderedConnection.prototype.moveToOffset = function (a) {
	this.moveTo(a.x + this.offsetInBlock_.x, a.y + this.offsetInBlock_.y)
};
Blockly.RenderedConnection.prototype.setOffsetInBlock = function (a, b) {
	this.offsetInBlock_.x = a;
	this.offsetInBlock_.y = b
};
Blockly.RenderedConnection.prototype.tighten_ = function () {
	var a = this.targetConnection.x_ - this.x_,
		b = this.targetConnection.y_ - this.y_;
	if (0 != a || 0 != b) {
		var c = this.targetBlock(),
			d = c.getSvgRoot();
		if (!d) throw "block is not rendered.";
		d = Blockly.getRelativeXY_(d);
		c.getSvgRoot().setAttribute("transform", "translate(" + (d.x - a) + "," + (d.y - b) + ")");
		c.moveConnections_(-a, -b)
	}
};
Blockly.RenderedConnection.prototype.closest = function (a, b, c) {
	return this.dbOpposite_.searchForClosest(this, a, b, c)
};
Blockly.RenderedConnection.prototype.highlight = function () {
	var a;
	a = this.type == Blockly.INPUT_VALUE || this.type == Blockly.OUTPUT_VALUE ? "m 0,0 " + Blockly.BlockSvg.TAB_PATH_DOWN + " v 5" : "m -20,0 h 5 " + Blockly.BlockSvg.NOTCH_PATH_LEFT + " h 5";
	var b = this.sourceBlock_.getRelativeToSurfaceXY();
	Blockly.Connection.highlightedPath_ = Blockly.createSvgElement("path", {
		"class": "blocklyHighlightedConnectionPath",
		d: a,
		transform: "translate(" + (this.x_ - b.x) + "," + (this.y_ - b.y) + ")" + (this.sourceBlock_.RTL ? " scale(-1 1)" : "")
	}, this.sourceBlock_.getSvgRoot())
};
Blockly.RenderedConnection.prototype.unhideAll = function () {
	this.setHidden(!1);
	var a = [];
	if (this.type != Blockly.INPUT_VALUE && this.type != Blockly.NEXT_STATEMENT) return a;
	var b = this.targetBlock();
	if (b) {
		var c;
		b.isCollapsed() ? (c = [], b.outputConnection && c.push(b.outputConnection), b.nextConnection && c.push(b.nextConnection), b.previousConnection && c.push(b.previousConnection)) : c = b.getConnections_(!0);
		for (var d = 0; d < c.length; d++) a.push.apply(a, c[d].unhideAll());
		a.length || (a[0] = b)
	}
	return a
};
Blockly.RenderedConnection.prototype.unhighlight = function () {
	goog.dom.removeNode(Blockly.Connection.highlightedPath_);
	delete Blockly.Connection.highlightedPath_
};
Blockly.RenderedConnection.prototype.setHidden = function (a) {
	(this.hidden_ = a) && this.inDB_ ? this.db_.removeConnection_(this) : a || this.inDB_ || this.db_.addConnection(this)
};
Blockly.RenderedConnection.prototype.hideAll = function () {
	this.setHidden(!0);
	if (this.targetConnection)
		for (var a = this.targetBlock().getDescendants(), b = 0; b < a.length; b++) {
			for (var c = a[b], d = c.getConnections_(!0), e = 0; e < d.length; e++) d[e].setHidden(!0);
			c = c.getIcons();
			for (e = 0; e < c.length; e++) c[e].setVisible(!1)
		}
};
Blockly.RenderedConnection.prototype.isConnectionAllowed = function (a, b) {
	return this.distanceFrom(a) > b ? !1 : Blockly.RenderedConnection.superClass_.isConnectionAllowed.call(this, a)
};
Blockly.RenderedConnection.prototype.disconnectInternal_ = function (a, b) {
	Blockly.RenderedConnection.superClass_.disconnectInternal_.call(this, a, b);
	a.rendered && a.render();
	b.rendered && (b.updateDisabled(), b.render())
};
Blockly.RenderedConnection.prototype.respawnShadow_ = function () {
	var a = this.getSourceBlock(),
		b = this.getShadowDom();
	if (a.workspace && b && Blockly.Events.recordUndo) {
		Blockly.RenderedConnection.superClass_.respawnShadow_.call(this);
		b = this.targetBlock();
		if (!b) throw "Couldn't respawn the shadow block that should exist here.";
		b.initSvg();
		b.render(!1);
		a.rendered && a.render()
	}
};
Blockly.RenderedConnection.prototype.neighbours_ = function (a) {
	return this.dbOpposite_.getNeighbours(this, a)
};
Blockly.RenderedConnection.prototype.connect_ = function (a) {
	Blockly.RenderedConnection.superClass_.connect_.call(this, a);
	var b = this.getSourceBlock();
	a = a.getSourceBlock();
	b.rendered && b.updateDisabled();
	a.rendered && a.updateDisabled();
	b.rendered && a.rendered && (this.type == Blockly.NEXT_STATEMENT || this.type == Blockly.PREVIOUS_STATEMENT ? a.render() : b.render())
};
Blockly.BlockSvg = function (a, b, c) {
	this.svgGroup_ = Blockly.createSvgElement("g", {}, null);
	this.svgPathDark_ = Blockly.createSvgElement("path", {
		"class": "blocklyPathDark",
		transform: "translate(1,1)"
	}, this.svgGroup_);
	this.svgPath_ = Blockly.createSvgElement("path", {
		"class": "blocklyPath"
	}, this.svgGroup_);
	this.svgPathLight_ = Blockly.createSvgElement("path", {
		"class": "blocklyPathLight"
	}, this.svgGroup_);
	this.svgPath_.tooltip = this;
	this.rendered = !1;
	Blockly.Tooltip.bindMouseEvents(this.svgPath_);
	Blockly.BlockSvg.superClass_.constructor.call(this,
		a, b, c)
};
goog.inherits(Blockly.BlockSvg, Blockly.Block);
Blockly.BlockSvg.prototype.height = 0;
Blockly.BlockSvg.prototype.width = 0;
Blockly.BlockSvg.prototype.dragStartXY_ = null;
Blockly.BlockSvg.INLINE = -1;
Blockly.BlockSvg.prototype.initSvg = function () {
	goog.asserts.assert(this.workspace.rendered, "Workspace is headless.");
	for (var a = 0, b; b = this.inputList[a]; a++) b.init();
	b = this.getIcons();
	for (a = 0; a < b.length; a++) b[a].createIcon();
	this.updateColour();
	this.updateMovable();
	if (!this.workspace.options.readOnly && !this.eventsInit_) {
		Blockly.bindEventWithChecks_(this.getSvgRoot(), "mousedown", this, this.onMouseDown_);
		var c = this;
		Blockly.bindEvent_(this.getSvgRoot(), "touchstart", null, function (a) {
			Blockly.longStart_(a,
				c)
		})
	}
	this.eventsInit_ = !0;
	this.getSvgRoot().parentNode || this.workspace.getCanvas().appendChild(this.getSvgRoot())
};
Blockly.BlockSvg.prototype.select = function () {
	if (this.isShadow() && this.getParent()) this.getParent().select();
	else if (Blockly.selected != this) {
		var a = null;
		if (Blockly.selected) {
			a = Blockly.selected.id;
			Blockly.Events.disable();
			try {
				Blockly.selected.unselect()
			} finally {
				Blockly.Events.enable()
			}
		}
		a = new Blockly.Events.Ui(null, "selected", a, this.id);
		a.workspaceId = this.workspace.id;
		Blockly.Events.fire(a);
		Blockly.selected = this;
		this.addSelect()
	}
};
Blockly.BlockSvg.prototype.unselect = function () {
	if (Blockly.selected == this) {
		var a = new Blockly.Events.Ui(null, "selected", this.id, null);
		a.workspaceId = this.workspace.id;
		Blockly.Events.fire(a);
		Blockly.selected = null;
		this.removeSelect()
	}
};
Blockly.BlockSvg.prototype.mutator = null;
Blockly.BlockSvg.prototype.comment = null;
Blockly.BlockSvg.prototype.warning = null;
Blockly.BlockSvg.prototype.getIcons = function () {
	var a = [];
	this.mutator && a.push(this.mutator);
	this.comment && a.push(this.comment);
	this.warning && a.push(this.warning);
	return a
};
Blockly.BlockSvg.onMouseUpWrapper_ = null;
Blockly.BlockSvg.onMouseMoveWrapper_ = null;
Blockly.BlockSvg.terminateDrag = function () {
	Blockly.BlockSvg.disconnectUiStop_();
	Blockly.BlockSvg.onMouseUpWrapper_ && (Blockly.unbindEvent_(Blockly.BlockSvg.onMouseUpWrapper_), Blockly.BlockSvg.onMouseUpWrapper_ = null);
	Blockly.BlockSvg.onMouseMoveWrapper_ && (Blockly.unbindEvent_(Blockly.BlockSvg.onMouseMoveWrapper_), Blockly.BlockSvg.onMouseMoveWrapper_ = null);
	var a = Blockly.selected;
	if (Blockly.dragMode_ == Blockly.DRAG_FREE && a) {
		var b = a.getRelativeToSurfaceXY(),
			b = goog.math.Coordinate.difference(b, a.dragStartXY_),
			c = new Blockly.Events.Move(a);
		c.oldCoordinate = a.dragStartXY_;
		c.recordNew();
		Blockly.Events.fire(c);
		a.moveConnections_(b.x, b.y);
		delete a.draggedBubbles_;
		a.setDragging_(!1);
		a.render();
		a.workspace.setResizesEnabled(!0);
		var d = Blockly.Events.getGroup();
		setTimeout(function () {
			Blockly.Events.setGroup(d);
			a.snapToGrid();
			Blockly.Events.setGroup(!1)
		}, Blockly.BUMP_DELAY / 2);
		setTimeout(function () {
			Blockly.Events.setGroup(d);
			a.bumpNeighbours_();
			Blockly.Events.setGroup(!1)
		}, Blockly.BUMP_DELAY)
	}
	Blockly.dragMode_ = Blockly.DRAG_NONE;
	Blockly.Css.setCursor(Blockly.Css.Cursor.OPEN)
};
Blockly.BlockSvg.prototype.setParent = function (a) {
	if (a != this.parentBlock_) {
		var b = this.getSvgRoot();
		if (this.parentBlock_ && b) {
			var c = this.getRelativeToSurfaceXY();
			this.workspace.getCanvas().appendChild(b);
			b.setAttribute("transform", "translate(" + c.x + "," + c.y + ")")
		}
		Blockly.Field.startCache();
		Blockly.BlockSvg.superClass_.setParent.call(this, a);
		Blockly.Field.stopCache();
		a && (c = this.getRelativeToSurfaceXY(), a.getSvgRoot().appendChild(b), a = this.getRelativeToSurfaceXY(), this.moveConnections_(a.x - c.x, a.y - c.y))
	}
};
Blockly.BlockSvg.prototype.getRelativeToSurfaceXY = function () {
	var a = 0,
		b = 0,
		c = this.getSvgRoot();
	if (c) {
		do var d = Blockly.getRelativeXY_(c),
			a = a + d.x,
			b = b + d.y,
			c = c.parentNode; while (c && c != this.workspace.getCanvas())
	}
	return new goog.math.Coordinate(a, b)
};
Blockly.BlockSvg.prototype.moveBy = function (a, b) {
	goog.asserts.assert(!this.parentBlock_, "Block has parent.");
	var c = new Blockly.Events.Move(this),
		d = this.getRelativeToSurfaceXY();
	this.getSvgRoot().setAttribute("transform", "translate(" + (d.x + a) + "," + (d.y + b) + ")");
	this.moveConnections_(a, b);
	c.recordNew();
	this.workspace.resizeContents();
	Blockly.Events.fire(c)
};
Blockly.BlockSvg.prototype.snapToGrid = function () {
	if (this.workspace && Blockly.dragMode_ == Blockly.DRAG_NONE && !this.getParent() && !this.isInFlyout && this.workspace.options.gridOptions && this.workspace.options.gridOptions.snap) {
		var a = this.workspace.options.gridOptions.spacing,
			b = a / 2,
			c = this.getRelativeToSurfaceXY(),
			d = Math.round((c.x - b) / a) * a + b - c.x,
			a = Math.round((c.y - b) / a) * a + b - c.y,
			d = Math.round(d),
			a = Math.round(a);
		0 == d && 0 == a || this.moveBy(d, a)
	}
};
Blockly.BlockSvg.prototype.getHeightWidth = function () {
	var a = this.height,
		b = this.width,
		c = this.getNextBlock();
	c ? (c = c.getHeightWidth(), a += c.height - 4, b = Math.max(b, c.width)) : this.nextConnection || this.outputConnection || (a += 2);
	return {
		height: a,
		width: b
	}
};
Blockly.BlockSvg.prototype.getBoundingRectangle = function () {
	var a = this.getRelativeToSurfaceXY(this),
		b = this.outputConnection ? Blockly.BlockSvg.TAB_WIDTH : 0,
		c = this.getHeightWidth(),
		d;
	this.RTL ? (d = new goog.math.Coordinate(a.x - (c.width - b), a.y), a = new goog.math.Coordinate(a.x + b, a.y + c.height)) : (d = new goog.math.Coordinate(a.x - b, a.y), a = new goog.math.Coordinate(a.x + c.width - b, a.y + c.height));
	return {
		topLeft: d,
		bottomRight: a
	}
};
Blockly.BlockSvg.prototype.setCollapsed = function (a) {
	if (this.collapsed_ != a) {
		for (var b = [], c = 0, d; d = this.inputList[c]; c++) b.push.apply(b, d.setVisible(!a));
		if (a) {
			d = this.getIcons();
			for (c = 0; c < d.length; c++) d[c].setVisible(!1);
			c = this.toString(Blockly.COLLAPSE_CHARS);
			this.appendDummyInput("_TEMP_COLLAPSED_INPUT").appendField(c).init()
		} else this.removeInput("_TEMP_COLLAPSED_INPUT"), this.setWarningText(null);
		Blockly.BlockSvg.superClass_.setCollapsed.call(this, a);
		b.length || (b[0] = this);
		if (this.rendered)
			for (c = 0; a =
				b[c]; c++) a.render()
	}
};
Blockly.BlockSvg.prototype.tab = function (a, b) {
	for (var c = [], d = 0, e; e = this.inputList[d]; d++) {
		for (var f = 0, g; g = e.fieldRow[f]; f++) g instanceof Blockly.FieldTextInput && c.push(g);
		e.connection && (e = e.connection.targetBlock()) && c.push(e)
	}
	d = c.indexOf(a); -1 == d && (d = b ? -1 : c.length);
	(c = c[b ? d + 1 : d - 1]) ? c instanceof Blockly.Field ? c.showEditor_() : c.tab(null, b) : (c = this.getParent()) && c.tab(this, b)
};
Blockly.BlockSvg.prototype.onMouseDown_ = function (a) {
	if (!this.workspace.options.readOnly)
		if (this.isInFlyout) "touchstart" == a.type && Blockly.isRightButton(a) && (Blockly.Flyout.blockRightClick_(a, this), a.stopPropagation(), a.preventDefault());
		else {
			this.isInMutator && this.workspace.resize();
			this.workspace.updateScreenCalculationsIfScrolled();
			this.workspace.markFocused();
			Blockly.terminateDrag_();
			this.select();
			Blockly.hideChaff();
			if (Blockly.isRightButton(a)) this.showContextMenu_(a), Blockly.Touch.clearTouchIdentifier();
			else if (this.isMovable()) {
				Blockly.Events.getGroup() || Blockly.Events.setGroup(!0);
				Blockly.Css.setCursor(Blockly.Css.Cursor.CLOSED);
				this.dragStartXY_ = this.getRelativeToSurfaceXY();
				this.workspace.startDrag(a, this.dragStartXY_);
				Blockly.dragMode_ = Blockly.DRAG_STICKY;
				Blockly.BlockSvg.onMouseUpWrapper_ = Blockly.bindEventWithChecks_(document, "mouseup", this, this.onMouseUp_);
				Blockly.BlockSvg.onMouseMoveWrapper_ = Blockly.bindEventWithChecks_(document, "mousemove", this, this.onMouseMove_);
				this.draggedBubbles_ = [];
				for (var b = this.getDescendants(), c = 0, d; d = b[c]; c++) {
					d = d.getIcons();
					for (var e = 0; e < d.length; e++) {
						var f = d[e].getIconLocation();
						f.bubble = d[e];
						this.draggedBubbles_.push(f)
					}
				}
			} else return;
			a.stopPropagation();
			a.preventDefault()
		}
};
Blockly.BlockSvg.prototype.onMouseUp_ = function (a) {
	Blockly.Touch.clearTouchIdentifier();
	Blockly.dragMode_ == Blockly.DRAG_FREE || Blockly.WidgetDiv.isVisible() || Blockly.Events.fire(new Blockly.Events.Ui(this, "click", void 0, void 0));
	Blockly.terminateDrag_();
	Blockly.selected && Blockly.highlightedConnection_ ? (Blockly.localConnection_.connect(Blockly.highlightedConnection_), this.rendered && (Blockly.localConnection_.isSuperior() ? Blockly.highlightedConnection_ : Blockly.localConnection_).getSourceBlock().connectionUiEffect(),
		this.workspace.trashcan && this.workspace.trashcan.close()) : !this.getParent() && Blockly.selected.isDeletable() && this.workspace.isDeleteArea(a) && ((a = this.workspace.trashcan) && goog.Timer.callOnce(a.close, 100, a), Blockly.selected.dispose(!1, !0));
	Blockly.highlightedConnection_ && (Blockly.highlightedConnection_.unhighlight(), Blockly.highlightedConnection_ = null);
	Blockly.Css.setCursor(Blockly.Css.Cursor.OPEN);
	Blockly.WidgetDiv.isVisible() || Blockly.Events.setGroup(!1)
};
Blockly.BlockSvg.prototype.showHelp_ = function () {
	var a = goog.isFunction(this.helpUrl) ? this.helpUrl() : this.helpUrl;
	a && window.open(a)
};
Blockly.BlockSvg.prototype.showContextMenu_ = function (a) {
	if (!this.workspace.options.readOnly && this.contextMenu) {
		var b = this,
			c = [];
		if (this.isDeletable() && this.isMovable() && !b.isInFlyout) {
			var d = {
				text: Blockly.Msg.DUPLICATE_BLOCK,
				enabled: !0,
				callback: function () {
					Blockly.duplicate_(b)
				}
			};
			this.getDescendants().length > this.workspace.remainingCapacity() && (d.enabled = !1);
			c.push(d);
			this.isEditable() && !this.collapsed_ && this.workspace.options.comments && (d = {
				enabled: !goog.userAgent.IE
			}, this.comment ? (d.text = Blockly.Msg.REMOVE_COMMENT,
				d.callback = function () {
                	b.setCommentText(null)
				}) : (d.text = Blockly.Msg.ADD_COMMENT, d.callback = function () {
                	b.setCommentText("")
				}), c.push(d));
			if (!this.collapsed_)
				for (d = 1; d < this.inputList.length; d++)
					if (this.inputList[d - 1].type != Blockly.NEXT_STATEMENT && this.inputList[d].type != Blockly.NEXT_STATEMENT) {
						var d = {
							enabled: !0
						},
							e = this.getInputsInline();
						d.text = e ? Blockly.Msg.EXTERNAL_INPUTS : Blockly.Msg.INLINE_INPUTS;
						d.callback = function () {
							b.setInputsInline(!e)
						};
						c.push(d);
						break
					}
			this.workspace.options.collapse && (this.collapsed_ ?
				(d = {
                	enabled: !0
				}, d.text = Blockly.Msg.EXPAND_BLOCK, d.callback = function () {
                	b.setCollapsed(!1)
				}) : (d = {
                	enabled: !0
				}, d.text = Blockly.Msg.COLLAPSE_BLOCK, d.callback = function () {
                	b.setCollapsed(!0)
				}), c.push(d));
			this.workspace.options.disable && (d = {
				text: this.disabled ? Blockly.Msg.ENABLE_BLOCK : Blockly.Msg.DISABLE_BLOCK,
				enabled: !this.getInheritedDisabled(),
				callback: function () {
					b.setDisabled(!b.disabled)
				}
			}, c.push(d));
			var d = this.getDescendants().length,
				f = this.getNextBlock();
			f && (d -= f.getDescendants().length);
			d = {
				text: 1 == d ?
					Blockly.Msg.DELETE_BLOCK : Blockly.Msg.DELETE_X_BLOCKS.replace("%1", String(d)),
				enabled: !0,
				callback: function () {
					Blockly.Events.setGroup(!0);
					b.dispose(!0, !0);
					Blockly.Events.setGroup(!1)
				}
			};
			c.push(d)
		}
		d = {
			enabled: !(goog.isFunction(this.helpUrl) ? !this.helpUrl() : !this.helpUrl)
		};
		d.text = Blockly.Msg.HELP;
		d.callback = function () {
			b.showHelp_()
		};
		c.push(d);
		this.customContextMenu && !b.isInFlyout && this.customContextMenu(c);
		Blockly.ContextMenu.show(a, c, this.RTL);
		Blockly.ContextMenu.currentBlock = this
	}
};
Blockly.BlockSvg.prototype.moveConnections_ = function (a, b) {
	if (this.rendered) {
		for (var c = this.getConnections_(!1), d = 0; d < c.length; d++) c[d].moveBy(a, b);
		c = this.getIcons();
		for (d = 0; d < c.length; d++) c[d].computeIconLocation();
		for (d = 0; d < this.childBlocks_.length; d++) this.childBlocks_[d].moveConnections_(a, b)
	}
};
Blockly.BlockSvg.prototype.setDragging_ = function (a) {
	if (a) {
		var b = this.getSvgRoot();
		b.translate_ = "";
		b.skew_ = "";
		Blockly.draggingConnections_ = Blockly.draggingConnections_.concat(this.getConnections_(!0));
		Blockly.addClass_(this.svgGroup_, "blocklyDragging")
	} else Blockly.draggingConnections_ = [], Blockly.removeClass_(this.svgGroup_, "blocklyDragging");
	for (b = 0; b < this.childBlocks_.length; b++) this.childBlocks_[b].setDragging_(a)
};
Blockly.BlockSvg.prototype.onMouseMove_ = function (a) {
	if ("mousemove" == a.type && 1 >= a.clientX && 0 == a.clientY && 0 == a.button) a.stopPropagation();
	else {
		var b = this.getRelativeToSurfaceXY(),
			c = this.workspace.moveDrag(a);
		if (Blockly.dragMode_ == Blockly.DRAG_STICKY && goog.math.Coordinate.distance(b, c) * this.workspace.scale > Blockly.DRAG_RADIUS) {
			Blockly.dragMode_ = Blockly.DRAG_FREE;
			Blockly.longStop_();
			this.workspace.setResizesEnabled(!1);
			if (this.parentBlock_) {
				this.unplug();
				var d = this.getSvgRoot();
				d.translate_ = "translate(" +
					c.x + "," + c.y + ")";
				this.disconnectUiEffect()
			}
			this.setDragging_(!0)
		}
		if (Blockly.dragMode_ == Blockly.DRAG_FREE) {
			b = goog.math.Coordinate.difference(b, this.dragStartXY_);
			d = this.getSvgRoot();
			d.translate_ = "translate(" + c.x + "," + c.y + ")";
			d.setAttribute("transform", d.translate_ + d.skew_);
			for (c = 0; c < this.draggedBubbles_.length; c++) d = this.draggedBubbles_[c], d.bubble.setIconLocation(goog.math.Coordinate.sum(d, b));
			d = this.getConnections_(!1);
			(c = this.lastConnectionInStack_()) && c != this.nextConnection && d.push(c);
			for (var e =
					null, f = null, g = Blockly.SNAP_RADIUS, c = 0; c < d.length; c++) {
				var h = d[c],
					k = h.closest(g, b);
				k.connection && (e = k.connection, f = h, g = k.radius)
			}
			Blockly.highlightedConnection_ && Blockly.highlightedConnection_ != e && (Blockly.highlightedConnection_.unhighlight(), Blockly.highlightedConnection_ = null, Blockly.localConnection_ = null);
			e && e != Blockly.highlightedConnection_ && (e.highlight(), Blockly.highlightedConnection_ = e, Blockly.localConnection_ = f);
			this.isDeletable() && this.workspace.isDeleteArea(a)
		}
		a.stopPropagation();
		a.preventDefault()
	}
};
Blockly.BlockSvg.prototype.updateMovable = function () {
	this.isMovable() ? Blockly.addClass_(this.svgGroup_, "blocklyDraggable") : Blockly.removeClass_(this.svgGroup_, "blocklyDraggable")
};
Blockly.BlockSvg.prototype.setMovable = function (a) {
	Blockly.BlockSvg.superClass_.setMovable.call(this, a);
	this.updateMovable()
};
Blockly.BlockSvg.prototype.setEditable = function (a) {
	Blockly.BlockSvg.superClass_.setEditable.call(this, a);
	a = this.getIcons();
	for (var b = 0; b < a.length; b++) a[b].updateEditable()
};
Blockly.BlockSvg.prototype.setShadow = function (a) {
	Blockly.BlockSvg.superClass_.setShadow.call(this, a);
	this.updateColour()
};
Blockly.BlockSvg.prototype.getSvgRoot = function () {
	return this.svgGroup_
};
Blockly.BlockSvg.prototype.dispose = function (a, b) {
	if (this.workspace) {
		Blockly.Tooltip.hide();
		Blockly.Field.startCache();
		var c = this.workspace;
		Blockly.selected == this && (this.unselect(), Blockly.terminateDrag_());
		Blockly.ContextMenu.currentBlock == this && Blockly.ContextMenu.hide();
		b && this.rendered && (this.unplug(a), this.disposeUiEffect());
		this.rendered = !1;
		Blockly.Events.disable();
		try {
			for (var d = this.getIcons(), e = 0; e < d.length; e++) d[e].dispose()
		} finally {
			Blockly.Events.enable()
		}
		Blockly.BlockSvg.superClass_.dispose.call(this,
			a);
		goog.dom.removeNode(this.svgGroup_);
		c.resizeContents();
		this.svgPathDark_ = this.svgPathLight_ = this.svgPath_ = this.svgGroup_ = null;
		Blockly.Field.stopCache()
	}
};
Blockly.BlockSvg.prototype.disposeUiEffect = function () {
	this.workspace.playAudio("delete");
	var a = Blockly.getSvgXY_(this.svgGroup_, this.workspace),
		b = this.svgGroup_.cloneNode(!0);
	b.translateX_ = a.x;
	b.translateY_ = a.y;
	b.setAttribute("transform", "translate(" + b.translateX_ + "," + b.translateY_ + ")");
	this.workspace.getParentSvg().appendChild(b);
	b.bBox_ = b.getBBox();
	Blockly.BlockSvg.disposeUiStep_(b, this.RTL, new Date, this.workspace.scale)
};
Blockly.BlockSvg.disposeUiStep_ = function (a, b, c, d) {
	var e = (new Date - c) / 150;
	1 < e ? goog.dom.removeNode(a) : (a.setAttribute("transform", "translate(" + (a.translateX_ + (b ? -1 : 1) * a.bBox_.width * d / 2 * e) + "," + (a.translateY_ + a.bBox_.height * d * e) + ") scale(" + (1 - e) * d + ")"), setTimeout(function () {
		Blockly.BlockSvg.disposeUiStep_(a, b, c, d)
	}, 10))
};
Blockly.BlockSvg.prototype.connectionUiEffect = function () {
	this.workspace.playAudio("click");
	if (!(1 > this.workspace.scale)) {
		var a = Blockly.getSvgXY_(this.svgGroup_, this.workspace);
		this.outputConnection ? (a.x += (this.RTL ? 3 : -3) * this.workspace.scale, a.y += 13 * this.workspace.scale) : this.previousConnection && (a.x += (this.RTL ? -23 : 23) * this.workspace.scale, a.y += 3 * this.workspace.scale);
		a = Blockly.createSvgElement("circle", {
			cx: a.x,
			cy: a.y,
			r: 0,
			fill: "none",
			stroke: "#888",
			"stroke-width": 10
		}, this.workspace.getParentSvg());
		Blockly.BlockSvg.connectionUiStep_(a, new Date, this.workspace.scale)
	}
};
Blockly.BlockSvg.connectionUiStep_ = function (a, b, c) {
	var d = (new Date - b) / 150;
	1 < d ? goog.dom.removeNode(a) : (a.setAttribute("r", 25 * d * c), a.style.opacity = 1 - d, Blockly.BlockSvg.disconnectUiStop_.pid_ = setTimeout(function () {
		Blockly.BlockSvg.connectionUiStep_(a, b, c)
	}, 10))
};
Blockly.BlockSvg.prototype.disconnectUiEffect = function () {
	this.workspace.playAudio("disconnect");
	if (!(1 > this.workspace.scale)) {
		var a = this.getHeightWidth().height,
			a = Math.atan(10 / a) / Math.PI * 180;
		this.RTL || (a *= -1);
		Blockly.BlockSvg.disconnectUiStep_(this.svgGroup_, a, new Date)
	}
};
Blockly.BlockSvg.disconnectUiStep_ = function (a, b, c) {
	var d = (new Date - c) / 200;
	1 < d ? a.skew_ = "" : (a.skew_ = "skewX(" + Math.round(Math.sin(d * Math.PI * 3) * (1 - d) * b) + ")", Blockly.BlockSvg.disconnectUiStop_.group = a, Blockly.BlockSvg.disconnectUiStop_.pid = setTimeout(function () {
		Blockly.BlockSvg.disconnectUiStep_(a, b, c)
	}, 10));
	a.setAttribute("transform", a.translate_ + a.skew_)
};
Blockly.BlockSvg.disconnectUiStop_ = function () {
	if (Blockly.BlockSvg.disconnectUiStop_.group) {
		clearTimeout(Blockly.BlockSvg.disconnectUiStop_.pid);
		var a = Blockly.BlockSvg.disconnectUiStop_.group;
		a.skew_ = "";
		a.setAttribute("transform", a.translate_);
		Blockly.BlockSvg.disconnectUiStop_.group = null
	}
};
Blockly.BlockSvg.disconnectUiStop_.pid = 0;
Blockly.BlockSvg.disconnectUiStop_.group = null;
Blockly.BlockSvg.prototype.updateColour = function () {
	if (!this.disabled) {
		var a = this.getColour(),
			b = goog.color.hexToRgb(a);
		if (this.isShadow()) b = goog.color.lighten(b, .6), a = goog.color.rgbArrayToHex(b), this.svgPathLight_.style.display = "none", this.svgPathDark_.setAttribute("fill", a);
		else {
			this.svgPathLight_.style.display = "";
			var c = goog.color.rgbArrayToHex(goog.color.lighten(b, .3)),
				b = goog.color.rgbArrayToHex(goog.color.darken(b, .2));
			this.svgPathLight_.setAttribute("stroke", c);
			this.svgPathDark_.setAttribute("fill",
				b)
		}
		this.svgPath_.setAttribute("fill", a);
		a = this.getIcons();
		for (c = 0; c < a.length; c++) a[c].updateColour();
		for (a = 0; c = this.inputList[a]; a++)
			for (var b = 0, d; d = c.fieldRow[b]; b++) d.setText(null)
	}
};
Blockly.BlockSvg.prototype.updateDisabled = function () {
	var a = Blockly.hasClass_(this.svgGroup_, "blocklyDisabled");
	this.disabled || this.getInheritedDisabled() ? a || (Blockly.addClass_(this.svgGroup_, "blocklyDisabled"), this.svgPath_.setAttribute("fill", "url(#" + this.workspace.options.disabledPatternId + ")")) : a && (Blockly.removeClass_(this.svgGroup_, "blocklyDisabled"), this.updateColour());
	for (var a = this.getChildren(), b = 0, c; c = a[b]; b++) c.updateDisabled()
};
Blockly.BlockSvg.prototype.getCommentText = function () {
	return this.comment ? this.comment.getText().replace(/\s+$/, "").replace(/ +\n/g, "\n") : ""
};
Blockly.BlockSvg.prototype.setCommentText = function (a) {
	var b = !1;
	goog.isString(a) ? (this.comment || (this.comment = new Blockly.Comment(this), b = !0), this.comment.setText(a)) : this.comment && (this.comment.dispose(), b = !0);
	b && this.rendered && (this.render(), this.bumpNeighbours_())
};
Blockly.BlockSvg.prototype.setWarningText = function (a, b) {
	this.setWarningText.pid_ || (this.setWarningText.pid_ = Object.create(null));
	var c = b || "";
	if (c) this.setWarningText.pid_[c] && (clearTimeout(this.setWarningText.pid_[c]), delete this.setWarningText.pid_[c]);
	else
		for (var d in this.setWarningText.pid_) clearTimeout(this.setWarningText.pid_[d]), delete this.setWarningText.pid_[d];
	if (Blockly.dragMode_ == Blockly.DRAG_FREE) {
		var e = this;
		this.setWarningText.pid_[c] = setTimeout(function () {
			e.workspace && (delete e.setWarningText.pid_[c],
				e.setWarningText(a, c))
		}, 100)
	} else {
		this.isInFlyout && (a = null);
		d = this.getSurroundParent();
		for (var f = null; d;) d.isCollapsed() && (f = d), d = d.getSurroundParent();
		f && f.setWarningText(a, "collapsed " + this.id + " " + c);
		d = !1;
		goog.isString(a) ? (this.warning || (this.warning = new Blockly.Warning(this), d = !0), this.warning.setText(a, c)) : this.warning && !c ? (this.warning.dispose(), d = !0) : this.warning && (d = this.warning.getText(), this.warning.setText("", c), (f = this.warning.getText()) || this.warning.dispose(), d = d == f);
		d && this.rendered &&
			(this.render(), this.bumpNeighbours_())
	}
};
Blockly.BlockSvg.prototype.setMutator = function (a) {
	this.mutator && this.mutator !== a && this.mutator.dispose();
	a && (a.block_ = this, this.mutator = a, a.createIcon())
};
Blockly.BlockSvg.prototype.setDisabled = function (a) {
	this.disabled != a && (Blockly.BlockSvg.superClass_.setDisabled.call(this, a), this.rendered && this.updateDisabled())
};
Blockly.BlockSvg.prototype.setHighlighted = function (a) {
	a ? (this.svgPath_.setAttribute("filter", "url(#" + this.workspace.options.embossFilterId + ")"), this.svgPathLight_.style.display = "none") : (this.svgPath_.removeAttribute("filter"), this.svgPathLight_.style.display = "block")
};
Blockly.BlockSvg.prototype.addSelect = function () {
	Blockly.addClass_(this.svgGroup_, "blocklySelected");
	var a = this;
	do {
		var b = a.getSvgRoot();
		b.parentNode.appendChild(b);
		a = a.getParent()
	} while (a)
};
Blockly.BlockSvg.prototype.removeSelect = function () {
	Blockly.removeClass_(this.svgGroup_, "blocklySelected")
};
Blockly.BlockSvg.prototype.setColour = function (a) {
	Blockly.BlockSvg.superClass_.setColour.call(this, a);
	this.rendered && this.updateColour()
};
Blockly.BlockSvg.prototype.setPreviousStatement = function (a, b) {
	Blockly.BlockSvg.superClass_.setPreviousStatement.call(this, a, b);
	this.rendered && (this.render(), this.bumpNeighbours_())
};
Blockly.BlockSvg.prototype.setNextStatement = function (a, b) {
	Blockly.BlockSvg.superClass_.setNextStatement.call(this, a, b);
	this.rendered && (this.render(), this.bumpNeighbours_())
};
Blockly.BlockSvg.prototype.setOutput = function (a, b) {
	Blockly.BlockSvg.superClass_.setOutput.call(this, a, b);
	this.rendered && (this.render(), this.bumpNeighbours_())
};
Blockly.BlockSvg.prototype.setInputsInline = function (a) {
	Blockly.BlockSvg.superClass_.setInputsInline.call(this, a);
	this.rendered && (this.render(), this.bumpNeighbours_())
};
Blockly.BlockSvg.prototype.removeInput = function (a, b) {
	Blockly.BlockSvg.superClass_.removeInput.call(this, a, b);
	this.rendered && (this.render(), this.bumpNeighbours_())
};
Blockly.BlockSvg.prototype.moveNumberedInputBefore = function (a, b) {
	Blockly.BlockSvg.superClass_.moveNumberedInputBefore.call(this, a, b);
	this.rendered && (this.render(), this.bumpNeighbours_())
};
Blockly.BlockSvg.prototype.appendInput_ = function (a, b) {
	var c = Blockly.BlockSvg.superClass_.appendInput_.call(this, a, b);
	this.rendered && (this.render(), this.bumpNeighbours_());
	return c
};
Blockly.BlockSvg.prototype.getConnections_ = function (a) {
	var b = [];
	if (a || this.rendered)
		if (this.outputConnection && b.push(this.outputConnection), this.previousConnection && b.push(this.previousConnection), this.nextConnection && b.push(this.nextConnection), a || !this.collapsed_) {
			a = 0;
			for (var c; c = this.inputList[a]; a++) c.connection && b.push(c.connection)
		}
	return b
};
Blockly.BlockSvg.prototype.makeConnection_ = function (a) {
	return new Blockly.RenderedConnection(this, a)
};
Blockly.BlockSvg.render = {};
Blockly.BlockSvg.SEP_SPACE_X = 10;
Blockly.BlockSvg.SEP_SPACE_Y = 10;
Blockly.BlockSvg.INLINE_PADDING_Y = 5;
Blockly.BlockSvg.MIN_BLOCK_Y = 25;
Blockly.BlockSvg.TAB_HEIGHT = 20;
Blockly.BlockSvg.TAB_WIDTH = 8;
Blockly.BlockSvg.NOTCH_WIDTH = 30;
Blockly.BlockSvg.CORNER_RADIUS = 8;
Blockly.BlockSvg.START_HAT = !1;
Blockly.BlockSvg.START_HAT_HEIGHT = 15;
Blockly.BlockSvg.START_HAT_PATH = "c 30,-" + Blockly.BlockSvg.START_HAT_HEIGHT + " 70,-" + Blockly.BlockSvg.START_HAT_HEIGHT + " 100,0";
Blockly.BlockSvg.START_HAT_HIGHLIGHT_LTR = "c 17.8,-9.2 45.3,-14.9 75,-8.7 M 100.5,0.5";
Blockly.BlockSvg.START_HAT_HIGHLIGHT_RTL = "m 25,-8.7 c 29.7,-6.2 57.2,-0.5 75,8.7";
Blockly.BlockSvg.DISTANCE_45_INSIDE = (1 - Math.SQRT1_2) * (Blockly.BlockSvg.CORNER_RADIUS - .5) + .5;
Blockly.BlockSvg.DISTANCE_45_OUTSIDE = (1 - Math.SQRT1_2) * (Blockly.BlockSvg.CORNER_RADIUS + .5) - .5;
Blockly.BlockSvg.NOTCH_PATH_LEFT = "l 6,4 3,0 6,-4";
Blockly.BlockSvg.NOTCH_PATH_LEFT_HIGHLIGHT = "l 6,4 3,0 6,-4";
Blockly.BlockSvg.NOTCH_PATH_RIGHT = "l -6,4 -3,0 -6,-4";
Blockly.BlockSvg.JAGGED_TEETH = "l 8,0 0,4 8,4 -16,8 8,4";
Blockly.BlockSvg.JAGGED_TEETH_HEIGHT = 20;
Blockly.BlockSvg.JAGGED_TEETH_WIDTH = 15;
Blockly.BlockSvg.TAB_PATH_DOWN = "v 5 c 0,10 -" + Blockly.BlockSvg.TAB_WIDTH + ",-8 -" + Blockly.BlockSvg.TAB_WIDTH + ",7.5 s " + Blockly.BlockSvg.TAB_WIDTH + ",-2.5 " + Blockly.BlockSvg.TAB_WIDTH + ",7.5";
Blockly.BlockSvg.TAB_PATH_DOWN_HIGHLIGHT_RTL = "v 6.5 m -" + .97 * Blockly.BlockSvg.TAB_WIDTH + ",3 q -" + .05 * Blockly.BlockSvg.TAB_WIDTH + ",10 " + .3 * Blockly.BlockSvg.TAB_WIDTH + ",9.5 m " + .67 * Blockly.BlockSvg.TAB_WIDTH + ",-1.9 v 1.4";
Blockly.BlockSvg.TOP_LEFT_CORNER_START = "m 0," + Blockly.BlockSvg.CORNER_RADIUS;
Blockly.BlockSvg.TOP_LEFT_CORNER_START_HIGHLIGHT_RTL = "m " + Blockly.BlockSvg.DISTANCE_45_INSIDE + "," + Blockly.BlockSvg.DISTANCE_45_INSIDE;
Blockly.BlockSvg.TOP_LEFT_CORNER_START_HIGHLIGHT_LTR = "m 0.5," + (Blockly.BlockSvg.CORNER_RADIUS - .5);
Blockly.BlockSvg.TOP_LEFT_CORNER = "A " + Blockly.BlockSvg.CORNER_RADIUS + "," + Blockly.BlockSvg.CORNER_RADIUS + " 0 0,1 " + Blockly.BlockSvg.CORNER_RADIUS + ",0";
Blockly.BlockSvg.TOP_LEFT_CORNER_HIGHLIGHT = "A " + (Blockly.BlockSvg.CORNER_RADIUS - .5) + "," + (Blockly.BlockSvg.CORNER_RADIUS - .5) + " 0 0,1 " + Blockly.BlockSvg.CORNER_RADIUS + ",0.5";
Blockly.BlockSvg.INNER_TOP_LEFT_CORNER = Blockly.BlockSvg.NOTCH_PATH_RIGHT + " h -" + (Blockly.BlockSvg.NOTCH_WIDTH - 15 - Blockly.BlockSvg.CORNER_RADIUS) + " a " + Blockly.BlockSvg.CORNER_RADIUS + "," + Blockly.BlockSvg.CORNER_RADIUS + " 0 0,0 -" + Blockly.BlockSvg.CORNER_RADIUS + "," + Blockly.BlockSvg.CORNER_RADIUS;
Blockly.BlockSvg.INNER_BOTTOM_LEFT_CORNER = "a " + Blockly.BlockSvg.CORNER_RADIUS + "," + Blockly.BlockSvg.CORNER_RADIUS + " 0 0,0 " + Blockly.BlockSvg.CORNER_RADIUS + "," + Blockly.BlockSvg.CORNER_RADIUS;
Blockly.BlockSvg.INNER_TOP_LEFT_CORNER_HIGHLIGHT_RTL = "a " + Blockly.BlockSvg.CORNER_RADIUS + "," + Blockly.BlockSvg.CORNER_RADIUS + " 0 0,0 " + (-Blockly.BlockSvg.DISTANCE_45_OUTSIDE - .5) + "," + (Blockly.BlockSvg.CORNER_RADIUS - Blockly.BlockSvg.DISTANCE_45_OUTSIDE);
Blockly.BlockSvg.INNER_BOTTOM_LEFT_CORNER_HIGHLIGHT_RTL = "a " + (Blockly.BlockSvg.CORNER_RADIUS + .5) + "," + (Blockly.BlockSvg.CORNER_RADIUS + .5) + " 0 0,0 " + (Blockly.BlockSvg.CORNER_RADIUS + .5) + "," + (Blockly.BlockSvg.CORNER_RADIUS + .5);
Blockly.BlockSvg.INNER_BOTTOM_LEFT_CORNER_HIGHLIGHT_LTR = "a " + (Blockly.BlockSvg.CORNER_RADIUS + .5) + "," + (Blockly.BlockSvg.CORNER_RADIUS + .5) + " 0 0,0 " + (Blockly.BlockSvg.CORNER_RADIUS - Blockly.BlockSvg.DISTANCE_45_OUTSIDE) + "," + (Blockly.BlockSvg.DISTANCE_45_OUTSIDE + .5);
Blockly.BlockSvg.prototype.render = function (a) {
	Blockly.Field.startCache();
	this.rendered = !0;
	var b = Blockly.BlockSvg.SEP_SPACE_X;
	this.RTL && (b = -b);
	for (var c = this.getIcons(), d = 0; d < c.length; d++) b = c[d].renderIcon(b);
	b += this.RTL ? Blockly.BlockSvg.SEP_SPACE_X : -Blockly.BlockSvg.SEP_SPACE_X;
	c = this.renderCompute_(b);
	this.renderDraw_(b, c);
	this.renderMoveConnections_();
	!1 !== a && ((a = this.getParent()) ? a.render(!0) : this.workspace.resizeContents());
	Blockly.Field.stopCache()
};
Blockly.BlockSvg.prototype.renderFields_ = function (a, b, c) {
	c += Blockly.BlockSvg.INLINE_PADDING_Y;
	this.RTL && (b = -b);
	for (var d = 0, e; e = a[d]; d++) {
		var f = e.getSvgRoot();
		f && (this.RTL ? (b -= e.renderSep + e.renderWidth, f.setAttribute("transform", "translate(" + b + "," + c + ")"), e.renderWidth && (b -= Blockly.BlockSvg.SEP_SPACE_X)) : (f.setAttribute("transform", "translate(" + (b + e.renderSep) + "," + c + ")"), e.renderWidth && (b += e.renderSep + e.renderWidth + Blockly.BlockSvg.SEP_SPACE_X)))
	}
	return this.RTL ? -b : b
};
Blockly.BlockSvg.prototype.renderCompute_ = function (a) {
	var b = this.inputList,
		c = [];
	c.rightEdge = a + 2 * Blockly.BlockSvg.SEP_SPACE_X;
	if (this.previousConnection || this.nextConnection) c.rightEdge = Math.max(c.rightEdge, Blockly.BlockSvg.NOTCH_WIDTH + Blockly.BlockSvg.SEP_SPACE_X);
	for (var d = 0, e = 0, f = !1, g = !1, h = !1, k = void 0, m = this.getInputsInline() && !this.isCollapsed(), p = 0, l; l = b[p]; p++)
		if (l.isVisible()) {
			var n;
			m && k && k != Blockly.NEXT_STATEMENT && l.type != Blockly.NEXT_STATEMENT ? n = c[c.length - 1] : (k = l.type, n = [], n.type = m && l.type !=
				Blockly.NEXT_STATEMENT ? Blockly.BlockSvg.INLINE : l.type, n.height = 0, c.push(n));
			n.push(l);
			l.renderHeight = Blockly.BlockSvg.MIN_BLOCK_Y;
			l.renderWidth = m && l.type == Blockly.INPUT_VALUE ? Blockly.BlockSvg.TAB_WIDTH + 1.25 * Blockly.BlockSvg.SEP_SPACE_X : 0;
			if (l.connection && l.connection.isConnected()) {
				var q = l.connection.targetBlock().getHeightWidth();
				l.renderHeight = Math.max(l.renderHeight, q.height);
				l.renderWidth = Math.max(l.renderWidth, q.width)
			}
			m || p != b.length - 1 ? !m && l.type == Blockly.INPUT_VALUE && b[p + 1] && b[p + 1].type == Blockly.NEXT_STATEMENT &&
				l.renderHeight-- : l.renderHeight--;
			n.height = Math.max(n.height, l.renderHeight);
			l.fieldWidth = 0;
			1 == c.length && (l.fieldWidth += this.RTL ? -a : a);
			for (var q = !1, t = 0, r; r = l.fieldRow[t]; t++) {
				0 != t && (l.fieldWidth += Blockly.BlockSvg.SEP_SPACE_X);
				var u = r.getSize();
				r.renderWidth = u.width;
				r.renderSep = q && r.EDITABLE ? Blockly.BlockSvg.SEP_SPACE_X : 0;
				l.fieldWidth += r.renderWidth + r.renderSep;
				n.height = Math.max(n.height, u.height);
				q = r.EDITABLE
			}
			n.type != Blockly.BlockSvg.INLINE && (n.type == Blockly.NEXT_STATEMENT ? (g = !0, e = Math.max(e, l.fieldWidth)) :
				(n.type == Blockly.INPUT_VALUE ? f = !0 : n.type == Blockly.DUMMY_INPUT && (h = !0), d = Math.max(d, l.fieldWidth)))
		}
	for (a = 0; n = c[a]; a++)
		if (n.thicker = !1, n.type == Blockly.BlockSvg.INLINE)
			for (b = 0; l = n[b]; b++)
				if (l.type == Blockly.INPUT_VALUE) {
					n.height += 2 * Blockly.BlockSvg.INLINE_PADDING_Y;
					n.thicker = !0;
					break
				}
	c.statementEdge = 2 * Blockly.BlockSvg.SEP_SPACE_X + e;
	g && (c.rightEdge = Math.max(c.rightEdge, c.statementEdge + Blockly.BlockSvg.NOTCH_WIDTH));
	f ? c.rightEdge = Math.max(c.rightEdge, d + 2 * Blockly.BlockSvg.SEP_SPACE_X + Blockly.BlockSvg.TAB_WIDTH) :
		h && (c.rightEdge = Math.max(c.rightEdge, d + 2 * Blockly.BlockSvg.SEP_SPACE_X));
	c.hasValue = f;
	c.hasStatement = g;
	c.hasDummy = h;
	return c
};
Blockly.BlockSvg.prototype.renderDraw_ = function (a, b) {
	this.startHat_ = !1;
	this.height = 0;
	if (this.outputConnection) this.squareBottomLeftCorner_ = this.squareTopLeftCorner_ = !0;
	else {
		this.squareBottomLeftCorner_ = this.squareTopLeftCorner_ = !1;
		if (this.previousConnection) {
			var c = this.previousConnection.targetBlock();
			c && c.getNextBlock() == this && (this.squareTopLeftCorner_ = !0)
		} else Blockly.BlockSvg.START_HAT && (this.startHat_ = this.squareTopLeftCorner_ = !0, this.height += Blockly.BlockSvg.START_HAT_HEIGHT, b.rightEdge = Math.max(b.rightEdge,
			100));
		this.getNextBlock() && (this.squareBottomLeftCorner_ = !0)
	}
	var d = [],
		e = [],
		c = [],
		f = [];
	this.renderDrawTop_(d, c, b.rightEdge);
	var g = this.renderDrawRight_(d, c, e, f, b, a);
	this.renderDrawBottom_(d, c, g);
	this.renderDrawLeft_(d, c);
	d = d.join(" ") + "\n" + e.join(" ");
	this.svgPath_.setAttribute("d", d);
	this.svgPathDark_.setAttribute("d", d);
	d = c.join(" ") + "\n" + f.join(" ");
	this.svgPathLight_.setAttribute("d", d);
	this.RTL && (this.svgPath_.setAttribute("transform", "scale(-1 1)"), this.svgPathLight_.setAttribute("transform",
		"scale(-1 1)"), this.svgPathDark_.setAttribute("transform", "translate(1,1) scale(-1 1)"))
};
Blockly.BlockSvg.prototype.renderMoveConnections_ = function () {
	var a = this.getRelativeToSurfaceXY();
	this.previousConnection && this.previousConnection.moveToOffset(a);
	this.outputConnection && this.outputConnection.moveToOffset(a);
	for (var b = 0; b < this.inputList.length; b++) {
		var c = this.inputList[b].connection;
		c && (c.moveToOffset(a), c.isConnected() && c.tighten_())
	}
	this.nextConnection && (this.nextConnection.moveToOffset(a), this.nextConnection.isConnected() && this.nextConnection.tighten_())
};
Blockly.BlockSvg.prototype.renderDrawTop_ = function (a, b, c) {
	this.squareTopLeftCorner_ ? (a.push("m 0,0"), b.push("m 0.5,0.5"), this.startHat_ && (a.push(Blockly.BlockSvg.START_HAT_PATH), b.push(this.RTL ? Blockly.BlockSvg.START_HAT_HIGHLIGHT_RTL : Blockly.BlockSvg.START_HAT_HIGHLIGHT_LTR))) : (a.push(Blockly.BlockSvg.TOP_LEFT_CORNER_START), b.push(this.RTL ? Blockly.BlockSvg.TOP_LEFT_CORNER_START_HIGHLIGHT_RTL : Blockly.BlockSvg.TOP_LEFT_CORNER_START_HIGHLIGHT_LTR), a.push(Blockly.BlockSvg.TOP_LEFT_CORNER), b.push(Blockly.BlockSvg.TOP_LEFT_CORNER_HIGHLIGHT));
	this.previousConnection && (a.push("H", Blockly.BlockSvg.NOTCH_WIDTH - 15), b.push("H", Blockly.BlockSvg.NOTCH_WIDTH - 15), a.push(Blockly.BlockSvg.NOTCH_PATH_LEFT), b.push(Blockly.BlockSvg.NOTCH_PATH_LEFT_HIGHLIGHT), this.previousConnection.setOffsetInBlock(this.RTL ? -Blockly.BlockSvg.NOTCH_WIDTH : Blockly.BlockSvg.NOTCH_WIDTH, 0));
	a.push("H", c);
	b.push("H", c - .5);
	this.width = c
};
Blockly.BlockSvg.prototype.renderDrawRight_ = function (a, b, c, d, e, f) {
	for (var g, h = 0, k, m, p = 0, l; l = e[p]; p++) {
		g = Blockly.BlockSvg.SEP_SPACE_X;
		0 == p && (g += this.RTL ? -f : f);
		b.push("M", e.rightEdge - .5 + "," + (h + .5));
		if (this.isCollapsed()) {
			var n = l[0];
			k = h;
			this.renderFields_(n.fieldRow, g, k);
			a.push(Blockly.BlockSvg.JAGGED_TEETH);
			b.push("h 8");
			n = l.height - Blockly.BlockSvg.JAGGED_TEETH_HEIGHT;
			a.push("v", n);
			this.RTL && (b.push("v 3.9 l 7.2,3.4 m -14.5,8.9 l 7.3,3.5"), b.push("v", n - .7));
			this.width += Blockly.BlockSvg.JAGGED_TEETH_WIDTH
		} else if (l.type ==
			Blockly.BlockSvg.INLINE) {
			for (var q = 0; n = l[q]; q++) k = h, l.thicker && (k += Blockly.BlockSvg.INLINE_PADDING_Y), g = this.renderFields_(n.fieldRow, g, k), n.type != Blockly.DUMMY_INPUT && (g += n.renderWidth + Blockly.BlockSvg.SEP_SPACE_X), n.type == Blockly.INPUT_VALUE && (c.push("M", g - Blockly.BlockSvg.SEP_SPACE_X + "," + (h + Blockly.BlockSvg.INLINE_PADDING_Y)), c.push("h", Blockly.BlockSvg.TAB_WIDTH - 2 - n.renderWidth), c.push(Blockly.BlockSvg.TAB_PATH_DOWN), c.push("v", n.renderHeight + 1 - Blockly.BlockSvg.TAB_HEIGHT), c.push("h", n.renderWidth +
				2 - Blockly.BlockSvg.TAB_WIDTH), c.push("z"), this.RTL ? (d.push("M", g - Blockly.BlockSvg.SEP_SPACE_X - 2.5 + Blockly.BlockSvg.TAB_WIDTH - n.renderWidth + "," + (h + Blockly.BlockSvg.INLINE_PADDING_Y + .5)), d.push(Blockly.BlockSvg.TAB_PATH_DOWN_HIGHLIGHT_RTL), d.push("v", n.renderHeight - Blockly.BlockSvg.TAB_HEIGHT + 2.5), d.push("h", n.renderWidth - Blockly.BlockSvg.TAB_WIDTH + 2)) : (d.push("M", g - Blockly.BlockSvg.SEP_SPACE_X + .5 + "," + (h + Blockly.BlockSvg.INLINE_PADDING_Y + .5)), d.push("v", n.renderHeight + 1), d.push("h", Blockly.BlockSvg.TAB_WIDTH -
				2 - n.renderWidth), d.push("M", g - n.renderWidth - Blockly.BlockSvg.SEP_SPACE_X + .9 + "," + (h + Blockly.BlockSvg.INLINE_PADDING_Y + Blockly.BlockSvg.TAB_HEIGHT - .7)), d.push("l", .46 * Blockly.BlockSvg.TAB_WIDTH + ",-2.1")), k = this.RTL ? -g - Blockly.BlockSvg.TAB_WIDTH + Blockly.BlockSvg.SEP_SPACE_X + n.renderWidth + 1 : g + Blockly.BlockSvg.TAB_WIDTH - Blockly.BlockSvg.SEP_SPACE_X - n.renderWidth - 1, m = h + Blockly.BlockSvg.INLINE_PADDING_Y + 1, n.connection.setOffsetInBlock(k, m));
			g = Math.max(g, e.rightEdge);
			this.width = Math.max(this.width, g);
			a.push("H",
				g);
			b.push("H", g - .5);
			a.push("v", l.height);
			this.RTL && b.push("v", l.height - 1)
		} else l.type == Blockly.INPUT_VALUE ? (n = l[0], k = h, n.align != Blockly.ALIGN_LEFT && (q = e.rightEdge - n.fieldWidth - Blockly.BlockSvg.TAB_WIDTH - 2 * Blockly.BlockSvg.SEP_SPACE_X, n.align == Blockly.ALIGN_RIGHT ? g += q : n.align == Blockly.ALIGN_CENTRE && (g += q / 2)), this.renderFields_(n.fieldRow, g, k), a.push(Blockly.BlockSvg.TAB_PATH_DOWN), q = l.height - Blockly.BlockSvg.TAB_HEIGHT, a.push("v", q), this.RTL ? (b.push(Blockly.BlockSvg.TAB_PATH_DOWN_HIGHLIGHT_RTL), b.push("v",
			q + .5)) : (b.push("M", e.rightEdge - 5 + "," + (h + Blockly.BlockSvg.TAB_HEIGHT - .7)), b.push("l", .46 * Blockly.BlockSvg.TAB_WIDTH + ",-2.1")), k = this.RTL ? -e.rightEdge - 1 : e.rightEdge + 1, n.connection.setOffsetInBlock(k, h), n.connection.isConnected() && (this.width = Math.max(this.width, e.rightEdge + n.connection.targetBlock().getHeightWidth().width - Blockly.BlockSvg.TAB_WIDTH + 1))) : l.type == Blockly.DUMMY_INPUT ? (n = l[0], k = h, n.align != Blockly.ALIGN_LEFT && (q = e.rightEdge - n.fieldWidth - 2 * Blockly.BlockSvg.SEP_SPACE_X, e.hasValue && (q -= Blockly.BlockSvg.TAB_WIDTH),
			n.align == Blockly.ALIGN_RIGHT ? g += q : n.align == Blockly.ALIGN_CENTRE && (g += q / 2)), this.renderFields_(n.fieldRow, g, k), a.push("v", l.height), this.RTL && b.push("v", l.height - 1)) : l.type == Blockly.NEXT_STATEMENT && (n = l[0], 0 == p && (a.push("v", Blockly.BlockSvg.SEP_SPACE_Y), this.RTL && b.push("v", Blockly.BlockSvg.SEP_SPACE_Y - 1), h += Blockly.BlockSvg.SEP_SPACE_Y), k = h, n.align != Blockly.ALIGN_LEFT && (q = e.statementEdge - n.fieldWidth - 2 * Blockly.BlockSvg.SEP_SPACE_X, n.align == Blockly.ALIGN_RIGHT ? g += q : n.align == Blockly.ALIGN_CENTRE && (g +=
				q / 2)), this.renderFields_(n.fieldRow, g, k), g = e.statementEdge + Blockly.BlockSvg.NOTCH_WIDTH, a.push("H", g), a.push(Blockly.BlockSvg.INNER_TOP_LEFT_CORNER), a.push("v", l.height - 2 * Blockly.BlockSvg.CORNER_RADIUS), a.push(Blockly.BlockSvg.INNER_BOTTOM_LEFT_CORNER), a.push("H", e.rightEdge), this.RTL ? (b.push("M", g - Blockly.BlockSvg.NOTCH_WIDTH + Blockly.BlockSvg.DISTANCE_45_OUTSIDE + "," + (h + Blockly.BlockSvg.DISTANCE_45_OUTSIDE)), b.push(Blockly.BlockSvg.INNER_TOP_LEFT_CORNER_HIGHLIGHT_RTL), b.push("v", l.height - 2 * Blockly.BlockSvg.CORNER_RADIUS),
				b.push(Blockly.BlockSvg.INNER_BOTTOM_LEFT_CORNER_HIGHLIGHT_RTL)) : (b.push("M", g - Blockly.BlockSvg.NOTCH_WIDTH + Blockly.BlockSvg.DISTANCE_45_OUTSIDE + "," + (h + l.height - Blockly.BlockSvg.DISTANCE_45_OUTSIDE)), b.push(Blockly.BlockSvg.INNER_BOTTOM_LEFT_CORNER_HIGHLIGHT_LTR)), b.push("H", e.rightEdge - .5), k = this.RTL ? -g : g + 1, n.connection.setOffsetInBlock(k, h + 1), n.connection.isConnected() && (this.width = Math.max(this.width, e.statementEdge + n.connection.targetBlock().getHeightWidth().width)), p == e.length - 1 || e[p + 1].type ==
			Blockly.NEXT_STATEMENT) && (a.push("v", Blockly.BlockSvg.SEP_SPACE_Y), this.RTL && b.push("v", Blockly.BlockSvg.SEP_SPACE_Y - 1), h += Blockly.BlockSvg.SEP_SPACE_Y);
		h += l.height
	}
	e.length || (h = Blockly.BlockSvg.MIN_BLOCK_Y, a.push("V", h), this.RTL && b.push("V", h - 1));
	return h
};
Blockly.BlockSvg.prototype.renderDrawBottom_ = function (a, b, c) {
	this.height += c + 1;
	this.nextConnection && (a.push("H", Blockly.BlockSvg.NOTCH_WIDTH + (this.RTL ? .5 : -.5) + " " + Blockly.BlockSvg.NOTCH_PATH_RIGHT), this.nextConnection.setOffsetInBlock(this.RTL ? -Blockly.BlockSvg.NOTCH_WIDTH : Blockly.BlockSvg.NOTCH_WIDTH, c + 1), this.height += 4);
	this.squareBottomLeftCorner_ ? (a.push("H 0"), this.RTL || b.push("M", "0.5," + (c - .5))) : (a.push("H", Blockly.BlockSvg.CORNER_RADIUS), a.push("a", Blockly.BlockSvg.CORNER_RADIUS + "," + Blockly.BlockSvg.CORNER_RADIUS +
		" 0 0,1 -" + Blockly.BlockSvg.CORNER_RADIUS + ",-" + Blockly.BlockSvg.CORNER_RADIUS), this.RTL || (b.push("M", Blockly.BlockSvg.DISTANCE_45_INSIDE + "," + (c - Blockly.BlockSvg.DISTANCE_45_INSIDE)), b.push("A", Blockly.BlockSvg.CORNER_RADIUS - .5 + "," + (Blockly.BlockSvg.CORNER_RADIUS - .5) + " 0 0,1 0.5," + (c - Blockly.BlockSvg.CORNER_RADIUS))))
};
Blockly.BlockSvg.prototype.renderDrawLeft_ = function (a, b) {
	this.outputConnection ? (this.outputConnection.setOffsetInBlock(0, 0), a.push("V", Blockly.BlockSvg.TAB_HEIGHT), a.push("c 0,-10 -" + Blockly.BlockSvg.TAB_WIDTH + ",8 -" + Blockly.BlockSvg.TAB_WIDTH + ",-7.5 s " + Blockly.BlockSvg.TAB_WIDTH + ",2.5 " + Blockly.BlockSvg.TAB_WIDTH + ",-7.5"), this.RTL ? (b.push("M", -.25 * Blockly.BlockSvg.TAB_WIDTH + ",8.4"), b.push("l", -.45 * Blockly.BlockSvg.TAB_WIDTH + ",-2.1")) : (b.push("V", Blockly.BlockSvg.TAB_HEIGHT - 1.5), b.push("m", -.92 *
		Blockly.BlockSvg.TAB_WIDTH + ",-0.5 q " + -.19 * Blockly.BlockSvg.TAB_WIDTH + ",-5.5 0,-11"), b.push("m", .92 * Blockly.BlockSvg.TAB_WIDTH + ",1 V 0.5 H 1")), this.width += Blockly.BlockSvg.TAB_WIDTH) : this.RTL || (this.squareTopLeftCorner_ ? b.push("V", .5) : b.push("V", Blockly.BlockSvg.CORNER_RADIUS));
	a.push("z")
};
Blockly.Events = {};
Blockly.Events.group_ = "";
Blockly.Events.recordUndo = !0;
Blockly.Events.disabled_ = 0;
Blockly.Events.CREATE = "create";
Blockly.Events.DELETE = "delete";
Blockly.Events.CHANGE = "change";
Blockly.Events.MOVE = "move";
Blockly.Events.UI = "ui";
Blockly.Events.FIRE_QUEUE_ = [];
Blockly.Events.fire = function (a) {
	Blockly.Events.isEnabled() && (Blockly.Events.FIRE_QUEUE_.length || setTimeout(Blockly.Events.fireNow_, 0), Blockly.Events.FIRE_QUEUE_.push(a))
};
Blockly.Events.fireNow_ = function () {
	for (var a = Blockly.Events.filter(Blockly.Events.FIRE_QUEUE_, !0), b = Blockly.Events.FIRE_QUEUE_.length = 0, c; c = a[b]; b++) {
		var d = Blockly.Workspace.getById(c.workspaceId);
		d && d.fireChangeListener(c)
	}
};
Blockly.Events.filter = function (a, b) {
	var c = goog.array.clone(a);
	b || c.reverse();
	for (var d = 0, e; e = c[d]; d++)
		for (var f = d + 1, g; g = c[f]; f++) e.type == g.type && e.blockId == g.blockId && e.workspaceId == g.workspaceId && (e.type == Blockly.Events.MOVE ? (e.newParentId = g.newParentId, e.newInputName = g.newInputName, e.newCoordinate = g.newCoordinate, c.splice(f, 1), f--) : e.type == Blockly.Events.CHANGE && e.element == g.element && e.name == g.name ? (e.newValue = g.newValue, c.splice(f, 1), f--) : e.type != Blockly.Events.UI || "click" != g.element || "commentOpen" !=
			e.element && "mutatorOpen" != e.element && "warningOpen" != e.element || (e.newValue = g.newValue, c.splice(f, 1), f--));
	for (d = c.length - 1; 0 <= d; d--) c[d].isNull() && c.splice(d, 1);
	b || c.reverse();
	for (d = 1; e = c[d]; d++) e.type == Blockly.Events.CHANGE && "mutation" == e.element && c.unshift(c.splice(d, 1)[0]);
	return c
};
Blockly.Events.clearPendingUndo = function () {
	for (var a = 0, b; b = Blockly.Events.FIRE_QUEUE_[a]; a++) b.recordUndo = !1
};
Blockly.Events.disable = function () {
	Blockly.Events.disabled_++
};
Blockly.Events.enable = function () {
	Blockly.Events.disabled_--
};
Blockly.Events.isEnabled = function () {
	return 0 == Blockly.Events.disabled_
};
Blockly.Events.getGroup = function () {
	return Blockly.Events.group_
};
Blockly.Events.setGroup = function (a) {
	Blockly.Events.group_ = "boolean" == typeof a ? a ? Blockly.genUid() : "" : a
};
Blockly.Events.getDescendantIds_ = function (a) {
	var b = [];
	a = a.getDescendants();
	for (var c = 0, d; d = a[c]; c++) b[c] = d.id;
	return b
};
Blockly.Events.fromJson = function (a, b) {
	var c;
	switch (a.type) {
		case Blockly.Events.CREATE:
			c = new Blockly.Events.Create(null);
			break;
		case Blockly.Events.DELETE:
			c = new Blockly.Events.Delete(null);
			break;
		case Blockly.Events.CHANGE:
			c = new Blockly.Events.Change(null);
			break;
		case Blockly.Events.MOVE:
			c = new Blockly.Events.Move(null);
			break;
		case Blockly.Events.UI:
			c = new Blockly.Events.Ui(null);
			break;
		default:
			throw "Unknown event type.";
	}
	c.fromJson(a);
	c.workspaceId = b.id;
	return c
};
Blockly.Events.Abstract = function (a) {
	a && (this.blockId = a.id, this.workspaceId = a.workspace.id);
	this.group = Blockly.Events.group_;
	this.recordUndo = Blockly.Events.recordUndo
};
Blockly.Events.Abstract.prototype.toJson = function () {
	var a = {
		type: this.type
	};
	this.blockId && (a.blockId = this.blockId);
	this.group && (a.group = this.group);
	return a
};
Blockly.Events.Abstract.prototype.fromJson = function (a) {
	this.blockId = a.blockId;
	this.group = a.group
};
Blockly.Events.Abstract.prototype.isNull = function () {
	return !1
};
Blockly.Events.Abstract.prototype.run = function (a) { };
Blockly.Events.Create = function (a) {
	a && (Blockly.Events.Create.superClass_.constructor.call(this, a), this.xml = Blockly.Xml.blockToDomWithXY(a), this.ids = Blockly.Events.getDescendantIds_(a))
};
goog.inherits(Blockly.Events.Create, Blockly.Events.Abstract);
Blockly.Events.Create.prototype.type = Blockly.Events.CREATE;
Blockly.Events.Create.prototype.toJson = function () {
	var a = Blockly.Events.Create.superClass_.toJson.call(this);
	a.xml = Blockly.Xml.domToText(this.xml);
	a.ids = this.ids;
	return a
};
Blockly.Events.Create.prototype.fromJson = function (a) {
	Blockly.Events.Create.superClass_.fromJson.call(this, a);
	this.xml = Blockly.Xml.textToDom("<xml>" + a.xml + "</xml>").firstChild;
	this.ids = a.ids
};
Blockly.Events.Create.prototype.run = function (a) {
	var b = Blockly.Workspace.getById(this.workspaceId);
	if (a) a = goog.dom.createDom("xml"), a.appendChild(this.xml), Blockly.Xml.domToWorkspace(a, b);
	else {
		a = 0;
		for (var c; c = this.ids[a]; a++) {
			var d = b.getBlockById(c);
			d ? d.dispose(!1, !1) : c == this.blockId && console.warn("Can't uncreate non-existant block: " + c)
		}
	}
};
Blockly.Events.Delete = function (a) {
	if (a) {
		if (a.getParent()) throw "Connected blocks cannot be deleted.";
		Blockly.Events.Delete.superClass_.constructor.call(this, a);
		this.oldXml = Blockly.Xml.blockToDomWithXY(a);
		this.ids = Blockly.Events.getDescendantIds_(a)
	}
};
goog.inherits(Blockly.Events.Delete, Blockly.Events.Abstract);
Blockly.Events.Delete.prototype.type = Blockly.Events.DELETE;
Blockly.Events.Delete.prototype.toJson = function () {
	var a = Blockly.Events.Delete.superClass_.toJson.call(this);
	a.ids = this.ids;
	return a
};
Blockly.Events.Delete.prototype.fromJson = function (a) {
	Blockly.Events.Delete.superClass_.fromJson.call(this, a);
	this.ids = a.ids
};
Blockly.Events.Delete.prototype.run = function (a) {
	var b = Blockly.Workspace.getById(this.workspaceId);
	if (a) {
		a = 0;
		for (var c; c = this.ids[a]; a++) {
			var d = b.getBlockById(c);
			d ? d.dispose(!1, !1) : c == this.blockId && console.warn("Can't delete non-existant block: " + c)
		}
	} else a = goog.dom.createDom("xml"), a.appendChild(this.oldXml), Blockly.Xml.domToWorkspace(a, b)
};
Blockly.Events.Change = function (a, b, c, d, e) {
	a && (Blockly.Events.Change.superClass_.constructor.call(this, a), this.element = b, this.name = c, this.oldValue = d, this.newValue = e)
};
goog.inherits(Blockly.Events.Change, Blockly.Events.Abstract);
Blockly.Events.Change.prototype.type = Blockly.Events.CHANGE;
Blockly.Events.Change.prototype.toJson = function () {
	var a = Blockly.Events.Change.superClass_.toJson.call(this);
	a.element = this.element;
	this.name && (a.name = this.name);
	a.newValue = this.newValue;
	return a
};
Blockly.Events.Change.prototype.fromJson = function (a) {
	Blockly.Events.Change.superClass_.fromJson.call(this, a);
	this.element = a.element;
	this.name = a.name;
	this.newValue = a.newValue
};
Blockly.Events.Change.prototype.isNull = function () {
	return this.oldValue == this.newValue
};
Blockly.Events.Change.prototype.run = function (a) {
	var b = Blockly.Workspace.getById(this.workspaceId).getBlockById(this.blockId);
	if (b) switch (b.mutator && b.mutator.setVisible(!1), a = a ? this.newValue : this.oldValue, this.element) {
		case "field":
			(b = b.getField(this.name)) ? (b.callValidator(a), b.setValue(a)) : console.warn("Can't set non-existant field: " + this.name);
			break;
		case "comment":
			b.setCommentText(a || null);
			break;
		case "collapsed":
			b.setCollapsed(a);
			break;
		case "disabled":
			b.setDisabled(a);
			break;
		case "inline":
			b.setInputsInline(a);
			break;
		case "mutation":
			var c = "";
			b.mutationToDom && (c = (c = b.mutationToDom()) && Blockly.Xml.domToText(c));
			if (b.domToMutation) {
				a = a || "<mutation></mutation>";
				var d = Blockly.Xml.textToDom("<xml>" + a + "</xml>");
				b.domToMutation(d.firstChild)
			}
			Blockly.Events.fire(new Blockly.Events.Change(b, "mutation", null, c, a));
			break;
		default:
			console.warn("Unknown change type: " + this.element)
	} else console.warn("Can't change non-existant block: " + this.blockId)
};
Blockly.Events.Move = function (a) {
	a && (Blockly.Events.Move.superClass_.constructor.call(this, a), a = this.currentLocation_(), this.oldParentId = a.parentId, this.oldInputName = a.inputName, this.oldCoordinate = a.coordinate)
};
goog.inherits(Blockly.Events.Move, Blockly.Events.Abstract);
Blockly.Events.Move.prototype.type = Blockly.Events.MOVE;
Blockly.Events.Move.prototype.toJson = function () {
	var a = Blockly.Events.Move.superClass_.toJson.call(this);
	this.newParentId && (a.newParentId = this.newParentId);
	this.newInputName && (a.newInputName = this.newInputName);
	this.newCoordinate && (a.newCoordinate = Math.round(this.newCoordinate.x) + "," + Math.round(this.newCoordinate.y));
	return a
};
Blockly.Events.Move.prototype.fromJson = function (a) {
	Blockly.Events.Move.superClass_.fromJson.call(this, a);
	this.newParentId = a.newParentId;
	this.newInputName = a.newInputName;
	a.newCoordinate && (a = a.newCoordinate.split(","), this.newCoordinate = new goog.math.Coordinate(parseFloat(a[0]), parseFloat(a[1])))
};
Blockly.Events.Move.prototype.recordNew = function () {
	var a = this.currentLocation_();
	this.newParentId = a.parentId;
	this.newInputName = a.inputName;
	this.newCoordinate = a.coordinate
};
Blockly.Events.Move.prototype.currentLocation_ = function () {
	var a = Blockly.Workspace.getById(this.workspaceId).getBlockById(this.blockId),
		b = {},
		c = a.getParent();
	if (c) {
		if (b.parentId = c.id, a = c.getInputWithBlock(a)) b.inputName = a.name
	} else b.coordinate = a.getRelativeToSurfaceXY();
	return b
};
Blockly.Events.Move.prototype.isNull = function () {
	return this.oldParentId == this.newParentId && this.oldInputName == this.newInputName && goog.math.Coordinate.equals(this.oldCoordinate, this.newCoordinate)
};
Blockly.Events.Move.prototype.run = function (a) {
	var b = Blockly.Workspace.getById(this.workspaceId),
		c = b.getBlockById(this.blockId);
	if (c) {
		var d = a ? this.newParentId : this.oldParentId,
			e = a ? this.newInputName : this.oldInputName;
		a = a ? this.newCoordinate : this.oldCoordinate;
		var f = null;
		if (d && (f = b.getBlockById(d), !f)) {
			console.warn("Can't connect to non-existant block: " + d);
			return
		}
		c.getParent() && c.unplug();
		if (a) e = c.getRelativeToSurfaceXY(), c.moveBy(a.x - e.x, a.y - e.y);
		else {
			var c = c.outputConnection || c.previousConnection,
				g;
			if (e) {
				if (b = f.getInput(e)) g = b.connection
			} else c.type == Blockly.PREVIOUS_STATEMENT && (g = f.nextConnection);
			g ? c.connect(g) : console.warn("Can't connect to non-existant input: " + e)
		}
	} else console.warn("Can't move non-existant block: " + this.blockId)
};
Blockly.Events.Ui = function (a, b, c, d) {
	Blockly.Events.Ui.superClass_.constructor.call(this, a);
	this.element = b;
	this.oldValue = c;
	this.newValue = d;
	this.recordUndo = !1
};
goog.inherits(Blockly.Events.Ui, Blockly.Events.Abstract);
Blockly.Events.Ui.prototype.type = Blockly.Events.UI;
Blockly.Events.Ui.prototype.toJson = function () {
	var a = Blockly.Events.Ui.superClass_.toJson.call(this);
	a.element = this.element;
	void 0 !== this.newValue && (a.newValue = this.newValue);
	return a
};
Blockly.Events.Ui.prototype.fromJson = function (a) {
	Blockly.Events.Ui.superClass_.fromJson.call(this, a);
	this.element = a.element;
	this.newValue = a.newValue
};
Blockly.Events.disableOrphans = function (a) {
	if (a.type == Blockly.Events.MOVE || a.type == Blockly.Events.CREATE) {
		Blockly.Events.disable();
		if (a = Blockly.Workspace.getById(a.workspaceId).getBlockById(a.blockId))
			if (a.getParent() && !a.getParent().disabled) {
				a = a.getDescendants();
				for (var b = 0, c; c = a[b]; b++) c.setDisabled(!1)
			} else if ((a.outputConnection || a.previousConnection) && Blockly.dragMode_ == Blockly.DRAG_NONE) {
				do a.setDisabled(!0), a = a.getNextBlock(); while (a)
			}
		Blockly.Events.enable()
	}
};
Blockly.Msg = {};
goog.getMsgOrig = goog.getMsg;
goog.getMsg = function (a, b) {
	var c = goog.getMsg.blocklyMsgMap[a];
	c && (a = Blockly.Msg[c]);
	return goog.getMsgOrig(a, b)
};
goog.getMsg.blocklyMsgMap = {
	Today: "TODAY"
};
Blockly.FieldTextInput = function (a, b) {
	Blockly.FieldTextInput.superClass_.constructor.call(this, a, b)
};
goog.inherits(Blockly.FieldTextInput, Blockly.Field);
Blockly.FieldTextInput.FONTSIZE = 11;
Blockly.FieldTextInput.prototype.CURSOR = "text";
Blockly.FieldTextInput.prototype.spellcheck_ = !0;
Blockly.FieldTextInput.prototype.dispose = function () {
	Blockly.WidgetDiv.hideIfOwner(this);
	Blockly.FieldTextInput.superClass_.dispose.call(this)
};
Blockly.FieldTextInput.prototype.setValue = function (a) {
	if (null !== a) {
		if (this.sourceBlock_) {
			var b = this.callValidator(a);
			null !== b && (a = b)
		}
		Blockly.Field.prototype.setValue.call(this, a)
	}
};
Blockly.FieldTextInput.prototype.setSpellcheck = function (a) {
	this.spellcheck_ = a
};
Blockly.FieldTextInput.prototype.showEditor_ = function (a) {
	this.workspace_ = this.sourceBlock_.workspace;
	a = a || !1;
	if (!a && (goog.userAgent.MOBILE || goog.userAgent.ANDROID || goog.userAgent.IPAD)) {
		var b = this;
		Blockly.prompt(Blockly.Msg.CHANGE_VALUE_TITLE, this.text_, function (a) {
			b.sourceBlock_ && (a = b.callValidator(a));
			b.setValue(a)
		})
	} else {
		Blockly.WidgetDiv.show(this, this.sourceBlock_.RTL, this.widgetDispose_());
		var c = Blockly.WidgetDiv.DIV,
			d = goog.dom.createDom("INPUT", "blocklyHtmlInput");
		d.setAttribute("spellcheck",
			this.spellcheck_);
		var e = Blockly.FieldTextInput.FONTSIZE * this.workspace_.scale + "pt";
		c.style.fontSize = e;
		d.style.fontSize = e;
		Blockly.FieldTextInput.htmlInput_ = d;
		c.appendChild(d);
		d.value = d.defaultValue = this.text_;
		d.oldValue_ = null;
		this.validate_();
		this.resizeEditor_();
		a || (d.focus(), d.select());
		d.onKeyDownWrapper_ = Blockly.bindEventWithChecks_(d, "keydown", this, this.onHtmlInputKeyDown_);
		d.onKeyUpWrapper_ = Blockly.bindEventWithChecks_(d, "keyup", this, this.onHtmlInputChange_);
		d.onKeyPressWrapper_ = Blockly.bindEventWithChecks_(d,
			"keypress", this, this.onHtmlInputChange_);
		d.onWorkspaceChangeWrapper_ = this.resizeEditor_.bind(this);
		this.workspace_.addChangeListener(d.onWorkspaceChangeWrapper_)
	}
};
Blockly.FieldTextInput.prototype.onHtmlInputKeyDown_ = function (a) {
	var b = Blockly.FieldTextInput.htmlInput_;
	13 == a.keyCode ? Blockly.WidgetDiv.hide() : 27 == a.keyCode ? (b.value = b.defaultValue, Blockly.WidgetDiv.hide()) : 9 == a.keyCode && (Blockly.WidgetDiv.hide(), this.sourceBlock_.tab(this, !a.shiftKey), a.preventDefault())
};
Blockly.FieldTextInput.prototype.onHtmlInputChange_ = function (a) {
	a = Blockly.FieldTextInput.htmlInput_;
	var b = a.value;
	b !== a.oldValue_ ? (a.oldValue_ = b, this.setValue(b), this.validate_()) : goog.userAgent.WEBKIT && this.sourceBlock_.render();
	this.resizeEditor_();
	Blockly.svgResize(this.sourceBlock_.workspace)
};
Blockly.FieldTextInput.prototype.validate_ = function () {
	var a = !0;
	goog.asserts.assertObject(Blockly.FieldTextInput.htmlInput_);
	var b = Blockly.FieldTextInput.htmlInput_;
	this.sourceBlock_ && (a = this.callValidator(b.value));
	null === a ? Blockly.addClass_(b, "blocklyInvalidInput") : Blockly.removeClass_(b, "blocklyInvalidInput")
};
Blockly.FieldTextInput.prototype.resizeEditor_ = function () {
	var a = Blockly.WidgetDiv.DIV,
		b = this.fieldGroup_.getBBox();
	a.style.width = b.width * this.workspace_.scale + "px";
	a.style.height = b.height * this.workspace_.scale + "px";
	b = this.getAbsoluteXY_();
	if (this.sourceBlock_.RTL) {
		var c = this.getScaledBBox_();
		b.x += c.width;
		b.x -= a.offsetWidth
	}
	b.y += 1;
	goog.userAgent.GECKO && Blockly.WidgetDiv.DIV.style.top && (--b.x, --b.y);
	goog.userAgent.WEBKIT && (b.y -= 3);
	a.style.left = b.x + "px";
	a.style.top = b.y + "px"
};
Blockly.FieldTextInput.prototype.widgetDispose_ = function () {
	var a = this;
	return function () {
		var b = Blockly.FieldTextInput.htmlInput_,
			c = b.value;
		if (a.sourceBlock_)
			if (c = a.callValidator(c), null === c) c = b.defaultValue;
			else if (a.onFinishEditing_) a.onFinishEditing_(c);
		a.setValue(c);
		a.sourceBlock_.rendered && a.sourceBlock_.render();
		Blockly.unbindEvent_(b.onKeyDownWrapper_);
		Blockly.unbindEvent_(b.onKeyUpWrapper_);
		Blockly.unbindEvent_(b.onKeyPressWrapper_);
		a.workspace_.removeChangeListener(b.onWorkspaceChangeWrapper_);
		Blockly.FieldTextInput.htmlInput_ = null;
		b = Blockly.WidgetDiv.DIV.style;
		b.width = "auto";
		b.height = "auto";
		b.fontSize = ""
	}
};
Blockly.FieldTextInput.numberValidator = function (a) {
	console.warn("Blockly.FieldTextInput.numberValidator is deprecated. Use Blockly.FieldNumber instead.");
	if (null === a) return null;
	a = String(a);
	a = a.replace(/O/ig, "0");
	a = a.replace(/,/g, "");
	a = parseFloat(a || 0);
	return isNaN(a) ? null : String(a)
};
Blockly.FieldTextInput.nonnegativeIntegerValidator = function (a) {
	(a = Blockly.FieldTextInput.numberValidator(a)) && (a = String(Math.max(0, Math.floor(a))));
	return a
};
Blockly.FieldAngle = function (a, b) {
	this.symbol_ = Blockly.createSvgElement("tspan", {}, null);
	this.symbol_.appendChild(document.createTextNode("\u00b0"));
	Blockly.FieldAngle.superClass_.constructor.call(this, a, b)
};
goog.inherits(Blockly.FieldAngle, Blockly.FieldTextInput);
Blockly.FieldAngle.ROUND = 15;
Blockly.FieldAngle.HALF = 50;
Blockly.FieldAngle.CLOCKWISE = !1;
Blockly.FieldAngle.OFFSET = 0;
Blockly.FieldAngle.WRAP = 360;
Blockly.FieldAngle.RADIUS = Blockly.FieldAngle.HALF - 1;
Blockly.FieldAngle.prototype.dispose_ = function () {
	var a = this;
	return function () {
		Blockly.FieldAngle.superClass_.dispose_.call(a)();
		a.gauge_ = null;
		a.clickWrapper_ && Blockly.unbindEvent_(a.clickWrapper_);
		a.moveWrapper1_ && Blockly.unbindEvent_(a.moveWrapper1_);
		a.moveWrapper2_ && Blockly.unbindEvent_(a.moveWrapper2_)
	}
};
Blockly.FieldAngle.prototype.showEditor_ = function () {
	Blockly.FieldAngle.superClass_.showEditor_.call(this, goog.userAgent.MOBILE || goog.userAgent.ANDROID || goog.userAgent.IPAD);
	var a = Blockly.WidgetDiv.DIV;
	if (a.firstChild) {
		var a = Blockly.createSvgElement("svg", {
			xmlns: "http://www.w3.org/2000/svg",
			"xmlns:html": "http://www.w3.org/1999/xhtml",
			"xmlns:xlink": "http://www.w3.org/1999/xlink",
			version: "1.1",
			height: 2 * Blockly.FieldAngle.HALF + "px",
			width: 2 * Blockly.FieldAngle.HALF + "px"
		}, a),
			b = Blockly.createSvgElement("circle", {
            	cx: Blockly.FieldAngle.HALF,
            	cy: Blockly.FieldAngle.HALF,
            	r: Blockly.FieldAngle.RADIUS,
            	"class": "blocklyAngleCircle"
			}, a);
		this.gauge_ = Blockly.createSvgElement("path", {
			"class": "blocklyAngleGauge"
		}, a);
		this.line_ = Blockly.createSvgElement("line", {
			x1: Blockly.FieldAngle.HALF,
			y1: Blockly.FieldAngle.HALF,
			"class": "blocklyAngleLine"
		}, a);
		for (var c = 0; 360 > c; c += 15) Blockly.createSvgElement("line", {
			x1: Blockly.FieldAngle.HALF + Blockly.FieldAngle.RADIUS,
			y1: Blockly.FieldAngle.HALF,
			x2: Blockly.FieldAngle.HALF + Blockly.FieldAngle.RADIUS -
				(0 == c % 45 ? 10 : 5),
			y2: Blockly.FieldAngle.HALF,
			"class": "blocklyAngleMarks",
			transform: "rotate(" + c + "," + Blockly.FieldAngle.HALF + "," + Blockly.FieldAngle.HALF + ")"
		}, a);
		a.style.marginLeft = 15 - Blockly.FieldAngle.RADIUS + "px";
		this.clickWrapper_ = Blockly.bindEvent_(a, "click", this, Blockly.WidgetDiv.hide);
		this.moveWrapper1_ = Blockly.bindEvent_(b, "mousemove", this, this.onMouseMove);
		this.moveWrapper2_ = Blockly.bindEvent_(this.gauge_, "mousemove", this, this.onMouseMove);
		this.updateGraph_()
	}
};
Blockly.FieldAngle.prototype.onMouseMove = function (a) {
	var b = this.gauge_.ownerSVGElement.getBoundingClientRect(),
		c = a.clientX - b.left - Blockly.FieldAngle.HALF;
	a = a.clientY - b.top - Blockly.FieldAngle.HALF;
	b = Math.atan(-a / c);
	isNaN(b) || (b = goog.math.toDegrees(b), 0 > c ? b += 180 : 0 < a && (b += 360), b = Blockly.FieldAngle.CLOCKWISE ? Blockly.FieldAngle.OFFSET + 360 - b : b - Blockly.FieldAngle.OFFSET, Blockly.FieldAngle.ROUND && (b = Math.round(b / Blockly.FieldAngle.ROUND) * Blockly.FieldAngle.ROUND), b = this.callValidator(b), Blockly.FieldTextInput.htmlInput_.value =
		b, this.setValue(b), this.validate_(), this.resizeEditor_())
};
Blockly.FieldAngle.prototype.setText = function (a) {
	Blockly.FieldAngle.superClass_.setText.call(this, a);
	this.textElement_ && (this.updateGraph_(), this.sourceBlock_.RTL ? this.textElement_.insertBefore(this.symbol_, this.textElement_.firstChild) : this.textElement_.appendChild(this.symbol_), this.size_.width = 0)
};
Blockly.FieldAngle.prototype.updateGraph_ = function () {
	if (this.gauge_) {
		var a = Number(this.getText()) + Blockly.FieldAngle.OFFSET,
			b = goog.math.toRadians(a),
			a = ["M ", Blockly.FieldAngle.HALF, ",", Blockly.FieldAngle.HALF],
			c = Blockly.FieldAngle.HALF,
			d = Blockly.FieldAngle.HALF;
		if (!isNaN(b)) {
			var e = goog.math.toRadians(Blockly.FieldAngle.OFFSET),
				f = Math.cos(e) * Blockly.FieldAngle.RADIUS,
				g = Math.sin(e) * -Blockly.FieldAngle.RADIUS;
			Blockly.FieldAngle.CLOCKWISE && (b = 2 * e - b);
			c += Math.cos(b) * Blockly.FieldAngle.RADIUS;
			d -= Math.sin(b) *
				Blockly.FieldAngle.RADIUS;
			b = Math.abs(Math.floor((b - e) / Math.PI) % 2);
			Blockly.FieldAngle.CLOCKWISE && (b = 1 - b);
			a.push(" l ", f, ",", g, " A ", Blockly.FieldAngle.RADIUS, ",", Blockly.FieldAngle.RADIUS, " 0 ", b, " ", Number(Blockly.FieldAngle.CLOCKWISE), " ", c, ",", d, " z")
		}
		this.gauge_.setAttribute("d", a.join(""));
		this.line_.setAttribute("x2", c);
		this.line_.setAttribute("y2", d)
	}
};
Blockly.FieldAngle.prototype.classValidator = function (a) {
	if (null === a) return null;
	a = parseFloat(a || 0);
	if (isNaN(a)) return null;
	a %= 360;
	0 > a && (a += 360);
	a > Blockly.FieldAngle.WRAP && (a -= 360);
	return String(a)
};
Blockly.FieldCheckbox = function (a, b) {
	Blockly.FieldCheckbox.superClass_.constructor.call(this, "", b);
	this.setValue(a)
};
goog.inherits(Blockly.FieldCheckbox, Blockly.Field);
Blockly.FieldCheckbox.CHECK_CHAR = "\u2713";
Blockly.FieldCheckbox.prototype.CURSOR = "default";
Blockly.FieldCheckbox.prototype.init = function () {
	if (!this.fieldGroup_) {
		Blockly.FieldCheckbox.superClass_.init.call(this);
		this.checkElement_ = Blockly.createSvgElement("text", {
			"class": "blocklyText blocklyCheckbox",
			x: -3,
			y: 14
		}, this.fieldGroup_);
		var a = document.createTextNode(Blockly.FieldCheckbox.CHECK_CHAR);
		this.checkElement_.appendChild(a);
		this.checkElement_.style.display = this.state_ ? "block" : "none"
	}
};
Blockly.FieldCheckbox.prototype.getValue = function () {
	return String(this.state_).toUpperCase()
};
Blockly.FieldCheckbox.prototype.setValue = function (a) {
	a = "TRUE" == a.toUpperCase();
	this.state_ !== a && (this.sourceBlock_ && Blockly.Events.isEnabled() && Blockly.Events.fire(new Blockly.Events.Change(this.sourceBlock_, "field", this.name, this.state_, a)), this.state_ = a, this.checkElement_ && (this.checkElement_.style.display = a ? "block" : "none"))
};
Blockly.FieldCheckbox.prototype.showEditor_ = function () {
	var a = !this.state_;
	this.sourceBlock_ && (a = this.callValidator(a));
	null !== a && this.setValue(String(a).toUpperCase())
};
Blockly.FieldColour = function (a, b) {
	Blockly.FieldColour.superClass_.constructor.call(this, a, b);
	this.setText(Blockly.Field.NBSP + Blockly.Field.NBSP + Blockly.Field.NBSP)
};
goog.inherits(Blockly.FieldColour, Blockly.Field);
Blockly.FieldColour.prototype.colours_ = null;
Blockly.FieldColour.prototype.columns_ = 0;
Blockly.FieldColour.prototype.init = function () {
	Blockly.FieldColour.superClass_.init.call(this);
	this.borderRect_.style.fillOpacity = 1;
	this.setValue(this.getValue())
};
Blockly.FieldColour.prototype.CURSOR = "default";
Blockly.FieldColour.prototype.dispose = function () {
	Blockly.WidgetDiv.hideIfOwner(this);
	Blockly.FieldColour.superClass_.dispose.call(this)
};
Blockly.FieldColour.prototype.getValue = function () {
	return this.colour_
};
Blockly.FieldColour.prototype.setValue = function (a) {
	this.sourceBlock_ && Blockly.Events.isEnabled() && this.colour_ != a && Blockly.Events.fire(new Blockly.Events.Change(this.sourceBlock_, "field", this.name, this.colour_, a));
	this.colour_ = a;
	this.borderRect_ && (this.borderRect_.style.fill = a)
};
Blockly.FieldColour.prototype.getText = function () {
	var a = this.colour_,
		b = a.match(/^#(.)\1(.)\2(.)\3$/);
	b && (a = "#" + b[1] + b[2] + b[3]);
	return a
};
Blockly.FieldColour.COLOURS = goog.ui.ColorPicker.SIMPLE_GRID_COLORS;
Blockly.FieldColour.COLUMNS = 7;
Blockly.FieldColour.prototype.setColours = function (a) {
	this.colours_ = a;
	return this
};
Blockly.FieldColour.prototype.setColumns = function (a) {
	this.columns_ = a;
	return this
};
Blockly.FieldColour.prototype.showEditor_ = function () {
	Blockly.WidgetDiv.show(this, this.sourceBlock_.RTL, Blockly.FieldColour.widgetDispose_);
	var a = new goog.ui.ColorPicker;
	a.setSize(this.columns_ || Blockly.FieldColour.COLUMNS);
	a.setColors(this.colours_ || Blockly.FieldColour.COLOURS);
	var b = goog.dom.getViewportSize(),
		c = goog.style.getViewportPageOffset(document),
		d = this.getAbsoluteXY_(),
		e = this.getScaledBBox_();
	a.render(Blockly.WidgetDiv.DIV);
	a.setSelectedColor(this.getValue());
	var f = goog.style.getSize(a.getElement());
	d.y = d.y + f.height + e.height >= b.height + c.y ? d.y - (f.height - 1) : d.y + (e.height - 1);
	this.sourceBlock_.RTL ? (d.x += e.width, d.x -= f.width, d.x < c.x && (d.x = c.x)) : d.x > b.width + c.x - f.width && (d.x = b.width + c.x - f.width);
	Blockly.WidgetDiv.position(d.x, d.y, b, c, this.sourceBlock_.RTL);
	var g = this;
	Blockly.FieldColour.changeEventKey_ = goog.events.listen(a, goog.ui.ColorPicker.EventType.CHANGE, function (a) {
		a = a.target.getSelectedColor() || "#000000";
		Blockly.WidgetDiv.hide();
		g.sourceBlock_ && (a = g.callValidator(a));
		null !== a && g.setValue(a)
	})
};
Blockly.FieldColour.widgetDispose_ = function () {
	Blockly.FieldColour.changeEventKey_ && goog.events.unlistenByKey(Blockly.FieldColour.changeEventKey_)
};
Blockly.FieldDropdown = function (a, b) {
	this.menuGenerator_ = a;
	this.trimOptions_();
	var c = this.getOptions_()[0];
	Blockly.FieldDropdown.superClass_.constructor.call(this, c[1], b)
};
goog.inherits(Blockly.FieldDropdown, Blockly.Field);
Blockly.FieldDropdown.CHECKMARK_OVERHANG = 25;
Blockly.FieldDropdown.ARROW_CHAR = goog.userAgent.ANDROID ? "\u25bc" : "\u25be";
Blockly.FieldDropdown.prototype.CURSOR = "default";
Blockly.FieldDropdown.prototype.value_ = "";
Blockly.FieldDropdown.prototype.init = function () {
	if (!this.fieldGroup_) {
		this.arrow_ = Blockly.createSvgElement("tspan", {}, null);
		this.arrow_.appendChild(document.createTextNode(this.sourceBlock_.RTL ? Blockly.FieldDropdown.ARROW_CHAR + " " : " " + Blockly.FieldDropdown.ARROW_CHAR));
		Blockly.FieldDropdown.superClass_.init.call(this);
		var a = this.text_;
		this.text_ = null;
		this.setText(a)
	}
};
Blockly.FieldDropdown.prototype.showEditor_ = function () {
	Blockly.WidgetDiv.show(this, this.sourceBlock_.RTL, null);
	var a = this,
		b = new goog.ui.Menu;
	b.setRightToLeft(this.sourceBlock_.RTL);
	for (var c = this.getOptions_(), d = 0; d < c.length; d++) {
		var e = c[d][1],
			f = new goog.ui.MenuItem(c[d][0]);
		f.setRightToLeft(this.sourceBlock_.RTL);
		f.setValue(e);
		f.setCheckable(!0);
		b.addChild(f, !0);
		f.setChecked(e == this.value_)
	}
	goog.events.listen(b, goog.ui.Component.EventType.ACTION, function (b) {
		if (b = b.target) a.onItemSelected(this, b);
		Blockly.WidgetDiv.hideIfOwner(a)
	});
	b.getHandler().listen(b.getElement(), goog.events.EventType.TOUCHSTART, function (a) {
		this.getOwnerControl(a.target).handleMouseDown(a)
	});
	b.getHandler().listen(b.getElement(), goog.events.EventType.TOUCHEND, function (a) {
		this.getOwnerControl(a.target).performActionInternal(a)
	});
	c = goog.dom.getViewportSize();
	d = goog.style.getViewportPageOffset(document);
	e = this.getAbsoluteXY_();
	f = this.getScaledBBox_();
	b.render(Blockly.WidgetDiv.DIV);
	var g = b.getElement();
	Blockly.addClass_(g,
		"blocklyDropdownMenu");
	var h = goog.style.getSize(g);
	h.height = g.scrollHeight;
	e.y = e.y + h.height + f.height >= c.height + d.y ? e.y - (h.height + 2) : e.y + f.height;
	this.sourceBlock_.RTL ? (e.x += f.width, e.x += Blockly.FieldDropdown.CHECKMARK_OVERHANG, e.x < d.x + h.width && (e.x = d.x + h.width)) : (e.x -= Blockly.FieldDropdown.CHECKMARK_OVERHANG, e.x > c.width + d.x - h.width && (e.x = c.width + d.x - h.width));
	Blockly.WidgetDiv.position(e.x, e.y, c, d, this.sourceBlock_.RTL);
	b.setAllowAutoFocus(!0);
	g.focus()
};
Blockly.FieldDropdown.prototype.onItemSelected = function (a, b) {
	var c = b.getValue();
	this.sourceBlock_ && (c = this.callValidator(c));
	null !== c && this.setValue(c)
};
Blockly.FieldDropdown.prototype.trimOptions_ = function () {
	this.suffixField = this.prefixField = null;
	var a = this.menuGenerator_;
	if (goog.isArray(a) && !(2 > a.length)) {
		var b = a.map(function (a) {
			return a[0]
		}),
			c = Blockly.shortestStringLength(b),
			d = Blockly.commonWordPrefix(b, c),
			e = Blockly.commonWordSuffix(b, c);
		if ((d || e) && !(c <= d + e)) {
			d && (this.prefixField = b[0].substring(0, d - 1));
			e && (this.suffixField = b[0].substr(1 - e));
			b = [];
			for (c = 0; c < a.length; c++) {
				var f = a[c][0],
					g = a[c][1],
					f = f.substring(d, f.length - e);
				b[c] = [f, g]
			}
			this.menuGenerator_ =
				b
		}
	}
};
Blockly.FieldDropdown.prototype.getOptions_ = function () {
	return goog.isFunction(this.menuGenerator_) ? this.menuGenerator_.call(this) : this.menuGenerator_
};
Blockly.FieldDropdown.prototype.getValue = function () {
	return this.value_
};
Blockly.FieldDropdown.prototype.setValue = function (a) {
	if (null !== a && a !== this.value_) {
		this.sourceBlock_ && Blockly.Events.isEnabled() && Blockly.Events.fire(new Blockly.Events.Change(this.sourceBlock_, "field", this.name, this.value_, a));
		this.value_ = a;
		for (var b = this.getOptions_(), c = 0; c < b.length; c++)
			if (b[c][1] == a) {
				this.setText(b[c][0]);
				return
			}
		this.setText(a)
	}
};
Blockly.FieldDropdown.prototype.setText = function (a) {
	this.sourceBlock_ && this.arrow_ && (this.arrow_.style.fill = this.sourceBlock_.getColour());
	null !== a && a !== this.text_ && (this.text_ = a, this.updateTextNode_(), this.textElement_ && (this.sourceBlock_.RTL ? this.textElement_.insertBefore(this.arrow_, this.textElement_.firstChild) : this.textElement_.appendChild(this.arrow_)), this.sourceBlock_ && this.sourceBlock_.rendered && (this.sourceBlock_.render(), this.sourceBlock_.bumpNeighbours_()))
};
Blockly.FieldDropdown.prototype.dispose = function () {
	Blockly.WidgetDiv.hideIfOwner(this);
	Blockly.FieldDropdown.superClass_.dispose.call(this)
};
Blockly.FieldImage = function (a, b, c, d) {
	this.sourceBlock_ = null;
	this.height_ = Number(c);
	this.width_ = Number(b);
	this.size_ = new goog.math.Size(this.width_, this.height_ + 2 * Blockly.BlockSvg.INLINE_PADDING_Y);
	this.text_ = d || "";
	this.setValue(a)
};
goog.inherits(Blockly.FieldImage, Blockly.Field);
Blockly.FieldImage.prototype.rectElement_ = null;
Blockly.FieldImage.prototype.EDITABLE = !1;
Blockly.FieldImage.prototype.init = function () {
	if (!this.fieldGroup_) {
		this.fieldGroup_ = Blockly.createSvgElement("g", {}, null);
		this.visible_ || (this.fieldGroup_.style.display = "none");
		this.imageElement_ = Blockly.createSvgElement("image", {
			height: this.height_ + "px",
			width: this.width_ + "px"
		}, this.fieldGroup_);
		this.setValue(this.src_);
		goog.userAgent.GECKO && (this.rectElement_ = Blockly.createSvgElement("rect", {
			height: this.height_ + "px",
			width: this.width_ + "px",
			"fill-opacity": 0
		}, this.fieldGroup_));
		this.sourceBlock_.getSvgRoot().appendChild(this.fieldGroup_);
		var a = this.rectElement_ || this.imageElement_;
		a.tooltip = this.sourceBlock_;
		Blockly.Tooltip.bindMouseEvents(a)
	}
};
Blockly.FieldImage.prototype.dispose = function () {
	goog.dom.removeNode(this.fieldGroup_);
	this.rectElement_ = this.imageElement_ = this.fieldGroup_ = null
};
Blockly.FieldImage.prototype.setTooltip = function (a) {
	(this.rectElement_ || this.imageElement_).tooltip = a
};
Blockly.FieldImage.prototype.getValue = function () {
	return this.src_
};
Blockly.FieldImage.prototype.setValue = function (a) {
	null !== a && (this.src_ = a, this.imageElement_ && this.imageElement_.setAttributeNS("http://www.w3.org/1999/xlink", "xlink:href", goog.isString(a) ? a : ""))
};
Blockly.FieldImage.prototype.setText = function (a) {
	null !== a && (this.text_ = a)
};
Blockly.FieldImage.prototype.render_ = function () { };
Blockly.FieldNumber = function (a, b, c, d, e) {
	a = String(a);
	Blockly.FieldNumber.superClass_.constructor.call(this, a, e);
	this.setConstraints(b, c, d)
};
goog.inherits(Blockly.FieldNumber, Blockly.FieldTextInput);
Blockly.FieldNumber.prototype.setConstraints = function (a, b, c) {
	c = parseFloat(c);
	this.precision_ = isNaN(c) ? 0 : c;
	a = parseFloat(a);
	this.min_ = isNaN(a) ? -Infinity : a;
	b = parseFloat(b);
	this.max_ = isNaN(b) ? Infinity : b;
	this.setValue(this.callValidator(this.getValue()))
};
Blockly.FieldNumber.prototype.classValidator = function (a) {
	if (null === a) return null;
	a = String(a);
	a = a.replace(/O/ig, "0");
	a = a.replace(/,/g, "");
	a = parseFloat(a || 0);
	if (isNaN(a)) return null;
	this.precision_ && isFinite(a) && (a = Math.round(a / this.precision_) * this.precision_);
	a = goog.math.clamp(a, this.min_, this.max_);
	return String(a)
};
Blockly.FieldVariable = function (a, b) {
	Blockly.FieldVariable.superClass_.constructor.call(this, Blockly.FieldVariable.dropdownCreate, b);
	this.setValue(a || "")
};
goog.inherits(Blockly.FieldVariable, Blockly.FieldDropdown);
Blockly.FieldVariable.prototype.renameVarItemIndex_ = -1;
Blockly.FieldVariable.prototype.deleteVarItemIndex_ = -1;
Blockly.FieldVariable.prototype.init = function () {
	this.fieldGroup_ || (Blockly.FieldVariable.superClass_.init.call(this), this.getValue() || this.setValue(Blockly.Variables.generateUniqueName(this.sourceBlock_.isInFlyout ? this.sourceBlock_.workspace.targetWorkspace : this.sourceBlock_.workspace)), this.sourceBlock_.isInFlyout || this.sourceBlock_.workspace.createVariable(this.getValue()))
};
Blockly.FieldVariable.prototype.setSourceBlock = function (a) {
	goog.asserts.assert(!a.isShadow(), "Variable fields are not allowed to exist on shadow blocks.");
	Blockly.FieldVariable.superClass_.setSourceBlock.call(this, a)
};
Blockly.FieldVariable.prototype.getValue = function () {
	return this.getText()
};
Blockly.FieldVariable.prototype.setValue = function (a) {
	this.sourceBlock_ && Blockly.Events.isEnabled() && Blockly.Events.fire(new Blockly.Events.Change(this.sourceBlock_, "field", this.name, this.value_, a));
	this.value_ = a;
	this.setText(a)
};
Blockly.FieldVariable.dropdownCreate = function () {
	var a = this.sourceBlock_ && this.sourceBlock_.workspace ? this.sourceBlock_.workspace.variableList.slice(0) : [],
		b = this.getText();
	b && -1 == a.indexOf(b) && a.push(b);
	a.sort(goog.string.caseInsensitiveCompare);
	this.renameVarItemIndex_ = a.length;
	a.push(Blockly.Msg.RENAME_VARIABLE);
	this.deleteVarItemIndex_ = a.length;
	a.push(Blockly.Msg.DELETE_VARIABLE.replace("%1", b));
	for (var b = [], c = 0; c < a.length; c++) b[c] = [a[c], a[c]];
	return b
};
Blockly.FieldVariable.prototype.onItemSelected = function (a, b) {
	a.getChildCount();
	var c = b.getValue();
	if (this.sourceBlock_) {
		var d = this.sourceBlock_.workspace;
		if (0 <= this.renameVarItemIndex_ && a.getChildAt(this.renameVarItemIndex_) === b) {
			var e = this.getText();
			Blockly.hideChaff();
			Blockly.Variables.promptName(Blockly.Msg.RENAME_VARIABLE_TITLE.replace("%1", e), e, function (a) {
				a && d.renameVariable(e, a)
			});
			return
		}
		if (0 <= this.deleteVarItemIndex_ && a.getChildAt(this.deleteVarItemIndex_) === b) {
			d.deleteVariable(this.getText());
			return
		}
		c = this.callValidator(c)
	}
	null !== c && this.setValue(c)
};
Blockly.FlyoutButton = function (a, b, c, d, e) {
	this.workspace_ = a;
	this.targetWorkspace_ = b;
	this.text_ = c;
	this.position_ = new goog.math.Coordinate(0, 0);
	this.callback_ = Blockly.flyoutButtonCallbacks_[d];
	this.isLabel_ = e
};
Blockly.FlyoutButton.MARGIN = 5;
Blockly.FlyoutButton.prototype.width = 0;
Blockly.FlyoutButton.prototype.height = 0;
Blockly.FlyoutButton.prototype.createDom = function () {
	this.svgGroup_ = Blockly.createSvgElement("g", {
		"class": this.isLabel_ ? "blocklyFlyoutLabel" : "blocklyFlyoutButton"
	}, this.workspace_.getCanvas());
	if (!this.isLabel_) var a = Blockly.createSvgElement("rect", {
		"class": "blocklyFlyoutButtonShadow",
		rx: 4,
		ry: 4,
		x: 1,
		y: 1
	}, this.svgGroup_);
	var b = Blockly.createSvgElement("rect", {
		"class": this.isLabel_ ? "blocklyFlyoutLabelBackground" : "blocklyFlyoutButtonBackground",
		rx: 4,
		ry: 4
	}, this.svgGroup_),
		c = Blockly.createSvgElement("text", {
        	"class": this.isLabel_ ? "blocklyFlyoutLabelText" : "blocklyText",
        	x: 0,
        	y: 0,
        	"text-anchor": "middle"
		}, this.svgGroup_);
	c.textContent = this.text_;
	this.width = c.getComputedTextLength() + 2 * Blockly.FlyoutButton.MARGIN;
	this.height = 20;
	this.isLabel_ || (a.setAttribute("width", this.width), a.setAttribute("height", this.height));
	b.setAttribute("width", this.width);
	b.setAttribute("height", this.height);
	c.setAttribute("x", this.width / 2);
	c.setAttribute("y", this.height - Blockly.FlyoutButton.MARGIN);
	this.updateTransform_();
	return this.svgGroup_
};
Blockly.FlyoutButton.prototype.show = function () {
	this.updateTransform_();
	this.svgGroup_.setAttribute("display", "block")
};
Blockly.FlyoutButton.prototype.updateTransform_ = function () {
	this.svgGroup_.setAttribute("transform", "translate(" + this.position_.x + "," + this.position_.y + ")")
};
Blockly.FlyoutButton.prototype.moveTo = function (a, b) {
	this.position_.x = a;
	this.position_.y = b;
	this.updateTransform_()
};
Blockly.FlyoutButton.prototype.getTargetWorkspace = function () {
	return this.targetWorkspace_
};
Blockly.FlyoutButton.prototype.dispose = function () {
	this.svgGroup_ && (goog.dom.removeNode(this.svgGroup_), this.svgGroup_ = null);
	this.targetWorkspace_ = this.workspace_ = null
};
Blockly.FlyoutButton.prototype.onMouseUp = function (a) {
	a.preventDefault();
	a.stopPropagation();
	Blockly.Flyout.terminateDrag_();
	this.callback_ && this.callback_(this)
};
Blockly.Flyout = function (a) {
	a.getMetrics = this.getMetrics_.bind(this);
	a.setMetrics = this.setMetrics_.bind(this);
	this.workspace_ = new Blockly.WorkspaceSvg(a);
	this.workspace_.isFlyout = !0;
	this.RTL = !!a.RTL;
	this.horizontalLayout_ = a.horizontalLayout;
	this.toolboxPosition_ = a.toolboxPosition;
	this.eventWrappers_ = [];
	this.backgroundButtons_ = [];
	this.buttons_ = [];
	this.listeners_ = [];
	this.permanentlyDisabled_ = [];
	this.startDragMouseX_ = this.startDragMouseY_ = 0
};
Blockly.Flyout.startFlyout_ = null;
Blockly.Flyout.startDownEvent_ = null;
Blockly.Flyout.startBlock_ = null;
Blockly.Flyout.onMouseUpWrapper_ = null;
Blockly.Flyout.onMouseMoveWrapper_ = null;
Blockly.Flyout.onMouseMoveBlockWrapper_ = null;
Blockly.Flyout.prototype.autoClose = !0;
Blockly.Flyout.prototype.CORNER_RADIUS = 8;
Blockly.Flyout.prototype.DRAG_RADIUS = 10;
Blockly.Flyout.prototype.MARGIN = Blockly.Flyout.prototype.CORNER_RADIUS;
Blockly.Flyout.prototype.GAP_X = 3 * Blockly.Flyout.prototype.MARGIN;
Blockly.Flyout.prototype.GAP_Y = 3 * Blockly.Flyout.prototype.MARGIN;
Blockly.Flyout.prototype.SCROLLBAR_PADDING = 2;
Blockly.Flyout.prototype.width_ = 0;
Blockly.Flyout.prototype.height_ = 0;
Blockly.Flyout.prototype.dragMode_ = Blockly.DRAG_NONE;
Blockly.Flyout.prototype.dragAngleRange_ = 70;
Blockly.Flyout.prototype.createDom = function () {
	this.svgGroup_ = Blockly.createSvgElement("g", {
		"class": "blocklyFlyout"
	}, null);
	this.svgBackground_ = Blockly.createSvgElement("path", {
		"class": "blocklyFlyoutBackground"
	}, this.svgGroup_);
	this.svgGroup_.appendChild(this.workspace_.createDom());
	return this.svgGroup_
};
Blockly.Flyout.prototype.init = function (a) {
	this.targetWorkspace_ = a;
	this.workspace_.targetWorkspace = a;
	this.scrollbar_ = new Blockly.Scrollbar(this.workspace_, this.horizontalLayout_, !1);
	this.hide();
	Array.prototype.push.apply(this.eventWrappers_, Blockly.bindEventWithChecks_(this.svgGroup_, "wheel", this, this.wheel_));
	this.autoClose || (this.filterWrapper_ = this.filterForCapacity_.bind(this), this.targetWorkspace_.addChangeListener(this.filterWrapper_));
	Array.prototype.push.apply(this.eventWrappers_, Blockly.bindEventWithChecks_(this.svgGroup_,
		"mousedown", this, this.onMouseDown_))
};
Blockly.Flyout.prototype.dispose = function () {
	this.hide();
	Blockly.unbindEvent_(this.eventWrappers_);
	this.filterWrapper_ && (this.targetWorkspace_.removeChangeListener(this.filterWrapper_), this.filterWrapper_ = null);
	this.scrollbar_ && (this.scrollbar_.dispose(), this.scrollbar_ = null);
	this.workspace_ && (this.workspace_.targetWorkspace = null, this.workspace_.dispose(), this.workspace_ = null);
	this.svgGroup_ && (goog.dom.removeNode(this.svgGroup_), this.svgGroup_ = null);
	this.targetWorkspace_ = this.svgBackground_ = null
};
Blockly.Flyout.prototype.getWidth = function () {
	return this.width_
};
Blockly.Flyout.prototype.getHeight = function () {
	return this.height_
};
Blockly.Flyout.prototype.getMetrics_ = function () {
	if (!this.isVisible()) return null;
	try {
		var a = this.workspace_.getCanvas().getBBox()
	} catch (f) {
		a = {
			height: 0,
			y: 0,
			width: 0,
			x: 0
		}
	}
	var b = this.SCROLLBAR_PADDING,
		c = this.SCROLLBAR_PADDING;
	if (this.horizontalLayout_) {
		this.toolboxPosition_ == Blockly.TOOLBOX_AT_BOTTOM && (b = 0);
		var d = this.height_;
		this.toolboxPosition_ == Blockly.TOOLBOX_AT_TOP && (d -= this.SCROLLBAR_PADDING);
		var e = this.width_ - 2 * this.SCROLLBAR_PADDING
	} else c = 0, d = this.height_ - 2 * this.SCROLLBAR_PADDING, e = this.width_,
		this.RTL || (e -= this.SCROLLBAR_PADDING);
	return {
		viewHeight: d,
		viewWidth: e,
		contentHeight: (a.height + 2 * this.MARGIN) * this.workspace_.scale,
		contentWidth: (a.width + 2 * this.MARGIN) * this.workspace_.scale,
		viewTop: -this.workspace_.scrollY,
		viewLeft: -this.workspace_.scrollX,
		contentTop: a.y,
		contentLeft: a.x,
		absoluteTop: b,
		absoluteLeft: c
	}
};
Blockly.Flyout.prototype.setMetrics_ = function (a) {
	var b = this.getMetrics_();
	b && (!this.horizontalLayout_ && goog.isNumber(a.y) ? this.workspace_.scrollY = -b.contentHeight * a.y : this.horizontalLayout_ && goog.isNumber(a.x) && (this.workspace_.scrollX = -b.contentWidth * a.x), this.workspace_.translate(this.workspace_.scrollX + b.absoluteLeft, this.workspace_.scrollY + b.absoluteTop))
};
Blockly.Flyout.prototype.position = function () {
	if (this.isVisible()) {
		var a = this.targetWorkspace_.getMetrics();
		if (a) {
			this.setBackgroundPath_(this.horizontalLayout_ ? a.viewWidth - 2 * this.CORNER_RADIUS : this.width_ - this.CORNER_RADIUS, this.horizontalLayout_ ? this.height_ - this.CORNER_RADIUS : a.viewHeight - 2 * this.CORNER_RADIUS);
			var b = a.absoluteLeft;
			this.toolboxPosition_ == Blockly.TOOLBOX_AT_RIGHT && (b += a.viewWidth, b -= this.width_);
			var c = a.absoluteTop;
			this.toolboxPosition_ == Blockly.TOOLBOX_AT_BOTTOM && (c += a.viewHeight,
				c -= this.height_);
			this.svgGroup_.setAttribute("transform", "translate(" + b + "," + c + ")");
			this.horizontalLayout_ ? this.width_ = a.viewWidth : this.height_ = a.viewHeight;
			this.scrollbar_ && this.scrollbar_.resize()
		}
	}
};
Blockly.Flyout.prototype.setBackgroundPath_ = function (a, b) {
	this.horizontalLayout_ ? this.setBackgroundPathHorizontal_(a, b) : this.setBackgroundPathVertical_(a, b)
};
Blockly.Flyout.prototype.setBackgroundPathVertical_ = function (a, b) {
	var c = this.toolboxPosition_ == Blockly.TOOLBOX_AT_RIGHT,
		d = a + this.CORNER_RADIUS,
		d = ["M " + (c ? d : 0) + ",0"];
	d.push("h", c ? -a : a);
	d.push("a", this.CORNER_RADIUS, this.CORNER_RADIUS, 0, 0, c ? 0 : 1, c ? -this.CORNER_RADIUS : this.CORNER_RADIUS, this.CORNER_RADIUS);
	d.push("v", Math.max(0, b));
	d.push("a", this.CORNER_RADIUS, this.CORNER_RADIUS, 0, 0, c ? 0 : 1, c ? this.CORNER_RADIUS : -this.CORNER_RADIUS, this.CORNER_RADIUS);
	d.push("h", c ? a : -a);
	d.push("z");
	this.svgBackground_.setAttribute("d",
		d.join(" "))
};
Blockly.Flyout.prototype.setBackgroundPathHorizontal_ = function (a, b) {
	var c = this.toolboxPosition_ == Blockly.TOOLBOX_AT_TOP,
		d = ["M 0," + (c ? 0 : this.CORNER_RADIUS)];
	c ? (d.push("h", a + 2 * this.CORNER_RADIUS), d.push("v", b), d.push("a", this.CORNER_RADIUS, this.CORNER_RADIUS, 0, 0, 1, -this.CORNER_RADIUS, this.CORNER_RADIUS), d.push("h", -1 * a), d.push("a", this.CORNER_RADIUS, this.CORNER_RADIUS, 0, 0, 1, -this.CORNER_RADIUS, -this.CORNER_RADIUS)) : (d.push("a", this.CORNER_RADIUS, this.CORNER_RADIUS, 0, 0, 1, this.CORNER_RADIUS, -this.CORNER_RADIUS),
		d.push("h", a), d.push("a", this.CORNER_RADIUS, this.CORNER_RADIUS, 0, 0, 1, this.CORNER_RADIUS, this.CORNER_RADIUS), d.push("v", b), d.push("h", -a - 2 * this.CORNER_RADIUS));
	d.push("z");
	this.svgBackground_.setAttribute("d", d.join(" "))
};
Blockly.Flyout.prototype.scrollToStart = function () {
	this.scrollbar_.set(this.horizontalLayout_ && this.RTL ? Infinity : 0)
};
Blockly.Flyout.prototype.wheel_ = function (a) {
	var b = this.horizontalLayout_ ? a.deltaX : a.deltaY;
	if (b) {
		goog.userAgent.GECKO && (b *= 10);
		var c = this.getMetrics_(),
			b = this.horizontalLayout_ ? c.viewLeft + b : c.viewTop + b,
			b = Math.min(b, this.horizontalLayout_ ? c.contentWidth - c.viewWidth : c.contentHeight - c.viewHeight),
			b = Math.max(b, 0);
		this.scrollbar_.set(b)
	}
	a.preventDefault();
	a.stopPropagation()
};
Blockly.Flyout.prototype.isVisible = function () {
	return this.svgGroup_ && "block" == this.svgGroup_.style.display
};
Blockly.Flyout.prototype.hide = function () {
	if (this.isVisible()) {
		this.svgGroup_.style.display = "none";
		for (var a = 0, b; b = this.listeners_[a]; a++) Blockly.unbindEvent_(b);
		this.listeners_.length = 0;
		this.reflowWrapper_ && (this.workspace_.removeChangeListener(this.reflowWrapper_), this.reflowWrapper_ = null)
	}
};
Blockly.Flyout.prototype.flyoutCategory = function (a, b) {
	return a;
};
Blockly.Flyout.prototype.show = function (a) {
	this.hide();
	this.clearOldBlocks_();
	a = this.flyoutCategory(a, this.workspace_.targetWorkspace);
	this.svgGroup_.style.display = "block";
	for (var b = [], c = [], d = this.permanentlyDisabled_.length = 0, e; e = a[d]; d++)
		if (e.tagName) {
			var f = e.tagName.toUpperCase(),
				g = this.horizontalLayout_ ? this.GAP_X : this.GAP_Y;
			if ("BLOCK" == f) f = Blockly.Xml.domToBlock(e,
				this.workspace_), f.disabled && this.permanentlyDisabled_.push(f), b.push({
                	type: "block",
                	block: f
				}), e = parseInt(e.getAttribute("gap"), 10), c.push(isNaN(e) ? g : e);
			else if ("SEP" == e.tagName.toUpperCase()) e = parseInt(e.getAttribute("gap"), 10), !isNaN(e) && 0 < c.length ? c[c.length - 1] = e : c.push(g);
			else if ("BUTTON" == f || "LABEL" == f) {
				var f = "LABEL" == f,
					h = e.getAttribute("text");
				e = e.getAttribute("callbackKey");
				e = new Blockly.FlyoutButton(this.workspace_, this.targetWorkspace_, h, e, f);
				b.push({
					type: "button",
					button: e
				});
				c.push(g)
			}
		}
	this.layout_(b,
		c);
	this.listeners_.push(Blockly.bindEventWithChecks_(this.svgBackground_, "mouseover", this, function () {
		for (var a = this.workspace_.getTopBlocks(!1), b = 0, c; c = a[b]; b++) c.removeSelect()
	}));
	this.horizontalLayout_ ? this.height_ = 0 : this.width_ = 0;
	this.reflow();
	this.filterForCapacity_();
	this.position();
	this.reflowWrapper_ = this.reflow.bind(this);
	this.workspace_.addChangeListener(this.reflowWrapper_)
};
Blockly.Flyout.prototype.layout_ = function (a, b) {
	this.workspace_.scale = this.targetWorkspace_.scale;
	var c = this.MARGIN,
		d = this.RTL ? c : c + Blockly.BlockSvg.TAB_WIDTH;
	this.horizontalLayout_ && this.RTL && (a = a.reverse());
	for (var e = 0, f; f = a[e]; e++)
		if ("block" == f.type) {
			f = f.block;
			for (var g = f.getDescendants(), h = 0, k; k = g[h]; h++) k.isInFlyout = !0;
			f.render();
			g = f.getSvgRoot();
			h = f.getHeightWidth();
			k = f.outputConnection ? Blockly.BlockSvg.TAB_WIDTH : 0;
			this.horizontalLayout_ && (d += k);
			f.moveBy(this.horizontalLayout_ && this.RTL ? d + h.width -
				k : d, c);
			this.horizontalLayout_ ? d += h.width + b[e] - k : c += h.height + b[e];
			h = Blockly.createSvgElement("rect", {
				"fill-opacity": 0
			}, null);
			h.tooltip = f;
			Blockly.Tooltip.bindMouseEvents(h);
			this.workspace_.getCanvas().insertBefore(h, f.getSvgRoot());
			f.flyoutRect_ = h;
			this.backgroundButtons_[e] = h;
			this.addBlockListeners_(g, f, h)
		} else "button" == f.type && (f = f.button, g = f.createDom(), f.moveTo(d, c), f.show(), Blockly.bindEventWithChecks_(g, "mouseup", f, f.onMouseUp), this.buttons_.push(f), this.horizontalLayout_ ? d += f.width + b[e] : c += f.height +
			b[e])
};
Blockly.Flyout.prototype.clearOldBlocks_ = function () {
	for (var a = this.workspace_.getTopBlocks(!1), b = 0, c; c = a[b]; b++) c.workspace == this.workspace_ && c.dispose(!1, !1);
	for (b = 0; a = this.backgroundButtons_[b]; b++) goog.dom.removeNode(a);
	for (b = this.backgroundButtons_.length = 0; a = this.buttons_[b]; b++) a.dispose();
	this.buttons_.length = 0
};
Blockly.Flyout.prototype.addBlockListeners_ = function (a, b, c) {
	this.listeners_.push(Blockly.bindEventWithChecks_(a, "mousedown", null, this.blockMouseDown_(b)));
	this.listeners_.push(Blockly.bindEventWithChecks_(c, "mousedown", null, this.blockMouseDown_(b)));
	this.listeners_.push(Blockly.bindEvent_(a, "mouseover", b, b.addSelect));
	this.listeners_.push(Blockly.bindEvent_(a, "mouseout", b, b.removeSelect));
	this.listeners_.push(Blockly.bindEvent_(c, "mouseover", b, b.addSelect));
	this.listeners_.push(Blockly.bindEvent_(c,
		"mouseout", b, b.removeSelect))
};
Blockly.Flyout.blockRightClick_ = function (a, b) {
	Blockly.terminateDrag_();
	Blockly.hideChaff(!0);
	b.showContextMenu_(a);
	Blockly.Touch.clearTouchIdentifier()
};
Blockly.Flyout.prototype.blockMouseDown_ = function (a) {
	var b = this;
	return function (c) {
		Blockly.isRightButton(c) ? Blockly.Flyout.blockRightClick_(c, a) : (Blockly.terminateDrag_(), Blockly.hideChaff(!0), Blockly.Css.setCursor(Blockly.Css.Cursor.CLOSED), b.startDragMouseY_ = c.clientY, b.startDragMouseX_ = c.clientX, Blockly.Flyout.startDownEvent_ = c, Blockly.Flyout.startBlock_ = a, Blockly.Flyout.startFlyout_ = b, Blockly.Flyout.onMouseUpWrapper_ = Blockly.bindEventWithChecks_(document, "mouseup", b, b.onMouseUp_), Blockly.Flyout.onMouseMoveBlockWrapper_ =
			Blockly.bindEventWithChecks_(document, "mousemove", b, b.onMouseMoveBlock_));
		c.stopPropagation();
		c.preventDefault()
	}
};
Blockly.Flyout.prototype.onMouseDown_ = function (a) {
	Blockly.isRightButton(a) ? Blockly.Touch.clearTouchIdentifier() : (Blockly.hideChaff(!0), this.dragMode_ = Blockly.DRAG_FREE, this.startDragMouseY_ = a.clientY, this.startDragMouseX_ = a.clientX, Blockly.Flyout.startFlyout_ = this, Blockly.Flyout.onMouseMoveWrapper_ = Blockly.bindEventWithChecks_(document, "mousemove", this, this.onMouseMove_), Blockly.Flyout.onMouseUpWrapper_ = Blockly.bindEventWithChecks_(document, "mouseup", this, Blockly.Flyout.terminateDrag_), a.preventDefault(),
		a.stopPropagation())
};
Blockly.Flyout.prototype.onMouseUp_ = function (a) {
	this.workspace_.isDragging() || (Blockly.Touch.clearTouchIdentifier(), this.autoClose ? this.createBlockFunc_(Blockly.Flyout.startBlock_)(Blockly.Flyout.startDownEvent_) : Blockly.WidgetDiv.isVisible() || Blockly.Events.fire(new Blockly.Events.Ui(Blockly.Flyout.startBlock_, "click", void 0, void 0)));
	Blockly.terminateDrag_()
};
Blockly.Flyout.prototype.onMouseMove_ = function (a) {
	var b = this.getMetrics_();
	if (this.horizontalLayout_) {
		if (!(0 > b.contentWidth - b.viewWidth)) {
			var c = a.clientX - this.startDragMouseX_;
			this.startDragMouseX_ = a.clientX;
			a = b.viewLeft - c;
			a = goog.math.clamp(a, 0, b.contentWidth - b.viewWidth);
			this.scrollbar_.set(a)
		}
	} else 0 > b.contentHeight - b.viewHeight || (c = a.clientY - this.startDragMouseY_, this.startDragMouseY_ = a.clientY, a = b.viewTop - c, a = goog.math.clamp(a, 0, b.contentHeight - b.viewHeight), this.scrollbar_.set(a))
};
Blockly.Flyout.prototype.onMouseMoveBlock_ = function (a) {
	"mousemove" == a.type && 1 >= a.clientX && 0 == a.clientY && 0 == a.button || (this.determineDragIntention_(a.clientX - Blockly.Flyout.startDownEvent_.clientX, a.clientY - Blockly.Flyout.startDownEvent_.clientY) ? (Blockly.longStop_(), this.createBlockFunc_(Blockly.Flyout.startBlock_)(Blockly.Flyout.startDownEvent_)) : this.dragMode_ == Blockly.DRAG_FREE && (Blockly.longStop_(), this.onMouseMove_(a)));
	a.stopPropagation()
};
Blockly.Flyout.prototype.determineDragIntention_ = function (a, b) {
	if (this.dragMode_ == Blockly.DRAG_FREE) return !1;
	if (Math.sqrt(a * a + b * b) < this.DRAG_RADIUS) return this.dragMode_ = Blockly.DRAG_STICKY, !1;
	if (this.isDragTowardWorkspace_(a, b) || !this.scrollbar_.isVisible()) return !0;
	this.dragMode_ = Blockly.DRAG_FREE;
	return !1
};
Blockly.Flyout.prototype.isDragTowardWorkspace_ = function (a, b) {
	var c = Math.atan2(b, a) / Math.PI * 180,
		d = this.dragAngleRange_;
	if (this.horizontalLayout_) {
		if (c < 90 + d && c > 90 - d || c > -90 - d && c < -90 + d) return !0
	} else if (c < d && c > -d || c < -180 + d || c > 180 - d) return !0;
	return !1
};
Blockly.Flyout.prototype.createBlockFunc_ = function (a) {
	var b = this;
	return function (c) {
		if (!Blockly.isRightButton(c) && !a.disabled) {
			Blockly.Events.disable();
			try {
				var d = b.placeNewBlock_(a)
			} finally {
				Blockly.Events.enable()
			}
			Blockly.Events.isEnabled() && (Blockly.Events.setGroup(!0), Blockly.Events.fire(new Blockly.Events.Create(d)));
			b.autoClose ? b.hide() : b.filterForCapacity_();
			d.onMouseDown_(c);
			Blockly.dragMode_ = Blockly.DRAG_FREE;
			d.setDragging_(!0);
			b.targetWorkspace_.setResizesEnabled(!1)
		}
	}
};
Blockly.Flyout.prototype.placeNewBlock_ = function (a) {
	var b = this.targetWorkspace_,
		c = a.getSvgRoot();
	if (!c) throw "originBlock is not rendered.";
	var c = Blockly.getSvgXY_(c, b),
		d = this.workspace_.scrollX,
		e = this.workspace_.scale;
	c.x += d / e - d;
	this.toolboxPosition_ == Blockly.TOOLBOX_AT_RIGHT && (d = b.getMetrics().viewWidth - this.width_, e = b.scale, c.x += d / e - d);
	d = this.workspace_.scrollY;
	e = this.workspace_.scale;
	c.y += d / e - d;
	this.toolboxPosition_ == Blockly.TOOLBOX_AT_BOTTOM && (d = b.getMetrics().viewHeight - this.height_, e = b.scale,
		c.y += d / e - d);
	a = Blockly.Xml.blockToDom(a);
	a = Blockly.Xml.domToBlock(a, b);
	e = a.getSvgRoot();
	if (!e) throw "block is not rendered.";
	e = Blockly.getSvgXY_(e, b);
	e.x += b.scrollX / b.scale - b.scrollX;
	e.y += b.scrollY / b.scale - b.scrollY;
	b.toolbox_ && !b.scrollbar && (e.x += b.toolbox_.getWidth() / b.scale, e.y += b.toolbox_.getHeight() / b.scale);
	a.moveBy(c.x - e.x, c.y - e.y);
	return a
};
Blockly.Flyout.prototype.filterForCapacity_ = function () {
	for (var a = this.targetWorkspace_.remainingCapacity(), b = this.workspace_.getTopBlocks(!1), c = 0, d; d = b[c]; c++)
		if (-1 == this.permanentlyDisabled_.indexOf(d)) {
			var e = d.getDescendants();
			d.setDisabled(e.length > a)
		}
};
Blockly.Flyout.prototype.getClientRect = function () {
	if (!this.svgGroup_) return null;
	var a = this.svgGroup_.getBoundingClientRect(),
		b = a.left,
		c = a.top,
		d = a.width,
		a = a.height;
	return this.toolboxPosition_ == Blockly.TOOLBOX_AT_TOP ? new goog.math.Rect(-1E9, c - 1E9, 2E9, 1E9 + a) : this.toolboxPosition_ == Blockly.TOOLBOX_AT_BOTTOM ? new goog.math.Rect(-1E9, c, 2E9, 1E9 + a) : this.toolboxPosition_ == Blockly.TOOLBOX_AT_LEFT ? new goog.math.Rect(b - 1E9, -1E9, 1E9 + d, 2E9) : new goog.math.Rect(b, -1E9, 1E9 + d, 2E9)
};
Blockly.Flyout.terminateDrag_ = function () {
	Blockly.Flyout.startFlyout_ && (Blockly.Flyout.startFlyout_.dragMode_ == Blockly.DRAG_FREE && Blockly.Touch.clearTouchIdentifier(), Blockly.Flyout.startFlyout_.dragMode_ = Blockly.DRAG_NONE, Blockly.Flyout.startFlyout_ = null);
	Blockly.Flyout.onMouseUpWrapper_ && (Blockly.unbindEvent_(Blockly.Flyout.onMouseUpWrapper_), Blockly.Flyout.onMouseUpWrapper_ = null);
	Blockly.Flyout.onMouseMoveBlockWrapper_ && (Blockly.unbindEvent_(Blockly.Flyout.onMouseMoveBlockWrapper_), Blockly.Flyout.onMouseMoveBlockWrapper_ =
		null);
	Blockly.Flyout.onMouseMoveWrapper_ && (Blockly.unbindEvent_(Blockly.Flyout.onMouseMoveWrapper_), Blockly.Flyout.onMouseMoveWrapper_ = null);
	Blockly.Flyout.startDownEvent_ = null;
	Blockly.Flyout.startBlock_ = null
};
Blockly.Flyout.prototype.reflowHorizontal = function (a) {
	this.workspace_.scale = this.targetWorkspace_.scale;
	for (var b = 0, c = 0, d; d = a[c]; c++) b = Math.max(b, d.getHeightWidth().height);
	b += 1.5 * this.MARGIN;
	b *= this.workspace_.scale;
	b += Blockly.Scrollbar.scrollbarThickness;
	if (this.height_ != b) {
		for (c = 0; d = a[c]; c++) {
			var e = d.getHeightWidth();
			if (d.flyoutRect_) {
				d.flyoutRect_.setAttribute("width", e.width);
				d.flyoutRect_.setAttribute("height", e.height);
				var f = d.outputConnection ? Blockly.BlockSvg.TAB_WIDTH : 0,
					g = d.getRelativeToSurfaceXY();
				d.flyoutRect_.setAttribute("y", g.y);
				d.flyoutRect_.setAttribute("x", this.RTL ? g.x - e.width + f : g.x - f);
				(e = d.startHat_ ? Blockly.BlockSvg.START_HAT_HEIGHT : 0) && d.moveBy(0, e);
				d.flyoutRect_.setAttribute("y", g.y)
			}
		}
		this.height_ = b;
		this.targetWorkspace_.resize()
	}
};
Blockly.Flyout.prototype.reflowVertical = function (a) {
	this.workspace_.scale = this.targetWorkspace_.scale;
	for (var b = 0, c = 0, d; d = a[c]; c++) {
		var e = d.getHeightWidth().width;
		d.outputConnection && (e -= Blockly.BlockSvg.TAB_WIDTH);
		b = Math.max(b, e)
	}
	for (c = 0; d = this.buttons_[c]; c++) b = Math.max(b, d.width);
	b += 1.5 * this.MARGIN + Blockly.BlockSvg.TAB_WIDTH;
	b *= this.workspace_.scale;
	b += Blockly.Scrollbar.scrollbarThickness;
	if (this.width_ != b) {
		for (c = 0; d = a[c]; c++) {
			e = d.getHeightWidth();
			if (this.RTL) {
				var f = d.getRelativeToSurfaceXY().x,
					g = b / this.workspace_.scale - this.MARGIN,
					g = g - Blockly.BlockSvg.TAB_WIDTH;
				d.moveBy(g - f, 0)
			}
			d.flyoutRect_ && (d.flyoutRect_.setAttribute("width", e.width), d.flyoutRect_.setAttribute("height", e.height), g = d.outputConnection ? Blockly.BlockSvg.TAB_WIDTH : 0, f = d.getRelativeToSurfaceXY(), d.flyoutRect_.setAttribute("x", this.RTL ? f.x - e.width + g : f.x - g), (e = d.startHat_ ? Blockly.BlockSvg.START_HAT_HEIGHT : 0) && d.moveBy(0, e), d.flyoutRect_.setAttribute("y", f.y))
		}
		this.width_ = b;
		this.targetWorkspace_.resize()
	}
};
Blockly.Flyout.prototype.reflow = function () {
	this.reflowWrapper_ && this.workspace_.removeChangeListener(this.reflowWrapper_);
	var a = this.workspace_.getTopBlocks(!1);
	this.horizontalLayout_ ? this.reflowHorizontal(a) : this.reflowVertical(a);
	this.reflowWrapper_ && this.workspace_.addChangeListener(this.reflowWrapper_)
};
Blockly.Toolbox = function (a) {
	this.workspace_ = a;
	this.RTL = a.options.RTL;
	this.horizontalLayout_ = a.options.horizontalLayout;
	this.toolboxPosition = a.options.toolboxPosition;
	this.config_ = {
		indentWidth: 19,
		cssRoot: "blocklyTreeRoot",
		cssHideRoot: "blocklyHidden",
		cssItem: "",
		cssTreeRow: "blocklyTreeRow",
		cssItemLabel: "blocklyTreeLabel",
		cssTreeIcon: "blocklyTreeIcon",
		cssExpandedFolderIcon: "blocklyTreeIconOpen",
		cssFileIcon: "blocklyTreeIconNone",
		cssSelectedRow: "blocklyTreeSelected"
	};
	this.treeSeparatorConfig_ = {
		cssTreeRow: "blocklyTreeSeparator"
	};
	this.horizontalLayout_ && (this.config_.cssTreeRow += a.RTL ? " blocklyHorizontalTreeRtl" : " blocklyHorizontalTree", this.treeSeparatorConfig_.cssTreeRow = "blocklyTreeSeparatorHorizontal " + (a.RTL ? "blocklyHorizontalTreeRtl" : "blocklyHorizontalTree"), this.config_.cssTreeIcon = "")
};
Blockly.Toolbox.prototype.width = 0;
Blockly.Toolbox.prototype.height = 0;
Blockly.Toolbox.prototype.selectedOption_ = null;
Blockly.Toolbox.prototype.lastCategory_ = null;
Blockly.Toolbox.prototype.init = function () {
	var a = this.workspace_,
		b = this.workspace_.getParentSvg();
	this.HtmlDiv = goog.dom.createDom("DIV", "blocklyToolboxDiv");
	this.HtmlDiv.setAttribute("dir", a.RTL ? "RTL" : "LTR");
	b.parentNode.insertBefore(this.HtmlDiv, b);
	Blockly.bindEventWithChecks_(this.HtmlDiv, "mousedown", this, function (a) {
		Blockly.isRightButton(a) || a.target == this.HtmlDiv ? Blockly.hideChaff(!1) : Blockly.hideChaff(!0);
		Blockly.Touch.clearTouchIdentifier()
	});
	this.flyout_ = new Blockly.Flyout({
		disabledPatternId: a.options.disabledPatternId,
		parentWorkspace: a,
		RTL: a.RTL,
		oneBasedIndex: a.options.oneBasedIndex,
		horizontalLayout: a.horizontalLayout,
		toolboxPosition: a.options.toolboxPosition
	});
	goog.dom.insertSiblingAfter(this.flyout_.createDom(), a.svgGroup_);
	this.flyout_.init(a);
	this.config_.cleardotPath = a.options.pathToMedia + "1x1.gif";
	this.config_.cssCollapsedFolderIcon = "blocklyTreeIconClosed" + (a.RTL ? "Rtl" : "Ltr");
	this.tree_ = b = new Blockly.Toolbox.TreeControl(this, this.config_);
	b.setShowRootNode(!1);
	b.setShowLines(!1);
	b.setShowExpandIcons(!1);
	b.setSelectedItem(null);
	a = this.populate_(a.options.languageTree);
	b.render(this.HtmlDiv);
	a && b.setSelectedItem(a);
	this.addColour_();
	this.position()
};
Blockly.Toolbox.prototype.dispose = function () {
	this.flyout_.dispose();
	this.tree_.dispose();
	goog.dom.removeNode(this.HtmlDiv);
	this.lastCategory_ = this.workspace_ = null
};
Blockly.Toolbox.prototype.getWidth = function () {
	return this.width
};
Blockly.Toolbox.prototype.getHeight = function () {
	return this.height
};
Blockly.Toolbox.prototype.position = function () {
	var a = this.HtmlDiv;
	if (a) {
		var b = this.workspace_.getParentSvg();
		goog.style.getPageOffset(b);
		b = Blockly.svgSize(b);
		this.horizontalLayout_ ? (a.style.left = "0", a.style.height = "auto", a.style.width = b.width + "px", this.height = a.offsetHeight, this.toolboxPosition == Blockly.TOOLBOX_AT_TOP ? a.style.top = "0" : a.style.bottom = "0") : (this.toolboxPosition == Blockly.TOOLBOX_AT_RIGHT ? a.style.right = "0" : a.style.left = "0", a.style.height = b.height + "px", this.width = a.offsetWidth);
		this.flyout_.position()
	}
};
Blockly.Toolbox.prototype.populate_ = function (a) {
	this.tree_.removeChildren();
	this.tree_.blocks = [];
	this.hasColours_ = !1;
	a = this.syncTrees_(a, this.tree_, this.workspace_.options.pathToMedia);
	if (this.tree_.blocks.length) throw "Toolbox cannot have both blocks and categories in the root level.";
	this.workspace_.resizeContents();
	return a
};
Blockly.Toolbox.prototype.syncTrees_ = function (a, b, c) {
	for (var d = null, e = null, f = 0, g; g = a.childNodes[f]; f++)
		if (g.tagName) switch (g.tagName.toUpperCase()) {
			case "CATEGORY":
				e = this.tree_.createNode(g.getAttribute("name"));
				e.blocks = [];
				b.add(e);
				var h = g.getAttribute("custom");
				h ? e.blocks = h : (h = this.syncTrees_(g, e, c)) && (d = h);
				h = g.getAttribute("colour");
				goog.isString(h) ? (h.match(/^#[0-9a-fA-F]{6}$/) ? e.hexColour = h : e.hexColour = Blockly.hueToRgb(h), this.hasColours_ = !0) : e.hexColour = "";
				"true" == g.getAttribute("expanded") ?
					(e.blocks.length && (d = e), e.setExpanded(!0)) : e.setExpanded(!1);
				e = g;
				break;
			case "SEP":
				e && ("CATEGORY" == e.tagName.toUpperCase() ? b.add(new Blockly.Toolbox.TreeSeparator(this.treeSeparatorConfig_)) : (g = parseFloat(g.getAttribute("gap")), !isNaN(g) && e && e.setAttribute("gap", g)));
				break;
			case "BLOCK":
			case "SHADOW":
			case "LABEL":
			case "BUTTON":
				b.blocks.push(g), e = g
		}
	return d
};
Blockly.Toolbox.prototype.addColour_ = function (a) {
	a = (a || this.tree_).getChildren();
	for (var b = 0, c; c = a[b]; b++) {
		var d = c.getRowElement();
		if (d) {
			var e = this.hasColours_ ? "8px solid " + (c.hexColour || "#ddd") : "none";
			this.workspace_.RTL ? d.style.borderRight = e : d.style.borderLeft = e
		}
		this.addColour_(c)
	}
};
Blockly.Toolbox.prototype.clearSelection = function () {
	this.tree_.setSelectedItem(null)
};
Blockly.Toolbox.prototype.getClientRect = function () {
	if (!this.HtmlDiv) return null;
	var a = this.HtmlDiv.getBoundingClientRect(),
		b = a.left,
		c = a.top,
		d = a.width,
		a = a.height;
	return this.toolboxPosition == Blockly.TOOLBOX_AT_LEFT ? new goog.math.Rect(-1E7, -1E7, 1E7 + b + d, 2E7) : this.toolboxPosition == Blockly.TOOLBOX_AT_RIGHT ? new goog.math.Rect(b, -1E7, 1E7 + d, 2E7) : this.toolboxPosition == Blockly.TOOLBOX_AT_TOP ? new goog.math.Rect(-1E7, -1E7, 2E7, 1E7 + c + a) : new goog.math.Rect(0, c, 2E7, 1E7 + d)
};
Blockly.Toolbox.prototype.refreshSelection = function () {
	var a = this.tree_.getSelectedItem();
	a && a.blocks && this.flyout_.show(a.blocks)
};
Blockly.Toolbox.TreeControl = function (a, b) {
	this.toolbox_ = a;
	goog.ui.tree.TreeControl.call(this, goog.html.SafeHtml.EMPTY, b)
};
goog.inherits(Blockly.Toolbox.TreeControl, goog.ui.tree.TreeControl);
Blockly.Toolbox.TreeControl.prototype.enterDocument = function () {
	Blockly.Toolbox.TreeControl.superClass_.enterDocument.call(this);
	var a = this.getElement();
	goog.events.BrowserFeature.TOUCH_ENABLED && Blockly.bindEventWithChecks_(a, goog.events.EventType.TOUCHSTART, this, this.handleTouchEvent_)
};
Blockly.Toolbox.TreeControl.prototype.handleTouchEvent_ = function (a) {
	a.preventDefault();
	var b = this.getNodeFromEvent_(a);
	b && a.type === goog.events.EventType.TOUCHSTART && setTimeout(function () {
		b.onMouseDown(a)
	}, 1)
};
Blockly.Toolbox.TreeControl.prototype.createNode = function (a) {
	return new Blockly.Toolbox.TreeNode(this.toolbox_, a ? goog.html.SafeHtml.htmlEscape(a) : goog.html.SafeHtml.EMPTY, this.getConfig(), this.getDomHelper())
};
Blockly.Toolbox.TreeControl.prototype.setSelectedItem = function (a) {
	var b = this.toolbox_;
	if (a != this.selectedItem_ && a != b.tree_) {
		b.lastCategory_ && (b.lastCategory_.getRowElement().style.backgroundColor = "");
		if (a) {
			var c = a.hexColour || "#57e";
			a.getRowElement().style.backgroundColor = c;
			b.addColour_(a)
		}
		c = this.getSelectedItem();
		goog.ui.tree.TreeControl.prototype.setSelectedItem.call(this, a);
		a && a.blocks && a.blocks.length ? (b.flyout_.show(a.blocks), b.lastCategory_ != a && b.flyout_.scrollToStart()) : b.flyout_.hide();
		c !=
			a && c != this && (c = new Blockly.Events.Ui(null, "category", c && c.getHtml(), a && a.getHtml()), c.workspaceId = b.workspace_.id, Blockly.Events.fire(c));
		a && (b.lastCategory_ = a)
	}
};
Blockly.Toolbox.TreeNode = function (a, b, c, d) {
	goog.ui.tree.TreeNode.call(this, b, c, d);
	a && (b = function () {
		Blockly.svgResize(a.workspace_)
	}, goog.events.listen(a.tree_, goog.ui.tree.BaseNode.EventType.EXPAND, b), goog.events.listen(a.tree_, goog.ui.tree.BaseNode.EventType.COLLAPSE, b))
};
goog.inherits(Blockly.Toolbox.TreeNode, goog.ui.tree.TreeNode);
Blockly.Toolbox.TreeNode.prototype.getExpandIconSafeHtml = function () {
	return goog.html.SafeHtml.create("span")
};
Blockly.Toolbox.TreeNode.prototype.onMouseDown = function (a) {
	this.hasChildren() && this.isUserCollapsible_ ? (this.toggle(), this.select()) : this.isSelected() ? this.getTree().setSelectedItem(null) : this.select();
	this.updateRow()
};
Blockly.Toolbox.TreeNode.prototype.onDoubleClick_ = function (a) { };
Blockly.Toolbox.TreeNode.prototype.onKeyDown = function (a) {
	if (this.tree.toolbox_.horizontalLayout_) {
		var b = {},
			c = goog.events.KeyCodes.DOWN,
			d = goog.events.KeyCodes.UP;
		b[goog.events.KeyCodes.RIGHT] = this.rightToLeft_ ? d : c;
		b[goog.events.KeyCodes.LEFT] = this.rightToLeft_ ? c : d;
		b[goog.events.KeyCodes.UP] = goog.events.KeyCodes.LEFT;
		b[goog.events.KeyCodes.DOWN] = goog.events.KeyCodes.RIGHT;
		a.keyCode = b[a.keyCode] || a.keyCode
	}
	return Blockly.Toolbox.TreeNode.superClass_.onKeyDown.call(this, a)
};
Blockly.Toolbox.TreeSeparator = function (a) {
	Blockly.Toolbox.TreeNode.call(this, null, "", a)
};
goog.inherits(Blockly.Toolbox.TreeSeparator, Blockly.Toolbox.TreeNode);
Blockly.Css = {};
Blockly.Css.Cursor = {
	OPEN: "handopen",
	CLOSED: "handclosed",
	DELETE: "handdelete"
};
Blockly.Css.currentCursor_ = "";
Blockly.Css.styleSheet_ = null;
Blockly.Css.mediaPath_ = "";
Blockly.Css.inject = function (a, b) {
	if (!Blockly.Css.styleSheet_) {
		var c = ".blocklyDraggable {}\n";
		a && (c += Blockly.Css.CONTENT.join("\n"), Blockly.FieldDate && (c += Blockly.FieldDate.CSS.join("\n")));
		Blockly.Css.mediaPath_ = b.replace(/[\\\/]$/, "");
		var c = c.replace(/<<<PATH>>>/g, Blockly.Css.mediaPath_),
			d = document.createElement("style");
		document.head.insertBefore(d, document.head.firstChild);
		c = document.createTextNode(c);
		d.appendChild(c);
		Blockly.Css.styleSheet_ = d.sheet;
		Blockly.Css.setCursor(Blockly.Css.Cursor.OPEN)
	}
};
Blockly.Css.setCursor = function (a) {
	if (Blockly.Css.currentCursor_ != a) {
		Blockly.Css.currentCursor_ = a;
		var b = "url(" + Blockly.Css.mediaPath_ + "/" + a + ".cur), auto",
			c = ".blocklyDraggable {\n  cursor: " + b + ";\n}\n";
		Blockly.Css.styleSheet_.deleteRule(0);
		Blockly.Css.styleSheet_.insertRule(c, 0);
		for (var c = document.getElementsByClassName("blocklyToolboxDiv"), d = 0, e; e = c[d]; d++) e.style.cursor = a == Blockly.Css.Cursor.DELETE ? b : "";
		document.body.parentNode.style.cursor = a == Blockly.Css.Cursor.OPEN ? "" : b
	}
};
Blockly.Css.CONTENT = [".blocklySvg {", "background-color: #fff;", "outline: none;", "overflow: hidden;", "display: block;", "}", ".blocklyWidgetDiv {", "display: none;", "position: absolute;", "z-index: 99999;", "}", ".injectionDiv {", "height: 100%;", "position: relative;", "}", ".blocklyNonSelectable {", "user-select: none;", "-moz-user-select: none;", "-webkit-user-select: none;", "-ms-user-select: none;", "}", ".blocklyTooltipDiv {", "background-color: #ffffc7;", "border: 1px solid #ddc;", "box-shadow: 4px 4px 20px 1px rgba(0,0,0,.15);",
	"color: #000;", "display: none;", "font-family: sans-serif;", "font-size: 9pt;", "opacity: 0.9;", "padding: 2px;", "position: absolute;", "z-index: 100000;", "}", ".blocklyResizeSE {", "cursor: se-resize;", "fill: #aaa;", "}", ".blocklyResizeSW {", "cursor: sw-resize;", "fill: #aaa;", "}", ".blocklyResizeLine {", "stroke: #888;", "stroke-width: 1;", "}", ".blocklyHighlightedConnectionPath {", "fill: none;", "stroke: #fc3;", "stroke-width: 4px;", "}", ".blocklyPathLight {", "fill: none;", "stroke-linecap: round;", "stroke-width: 1;",
	"}", ".blocklySelected>.blocklyPath {", "stroke: #fc3;", "stroke-width: 3px;", "}", ".blocklySelected>.blocklyPathLight {", "display: none;", "}", ".blocklyDragging>.blocklyPath,", ".blocklyDragging>.blocklyPathLight {", "fill-opacity: .8;", "stroke-opacity: .8;", "}", ".blocklyDragging>.blocklyPathDark {", "display: none;", "}", ".blocklyDisabled>.blocklyPath {", "fill-opacity: .5;", "stroke-opacity: .5;", "}", ".blocklyDisabled>.blocklyPathLight,", ".blocklyDisabled>.blocklyPathDark {", "display: none;", "}", ".blocklyText {",
	"cursor: default;", "fill: #fff;", "font-family: sans-serif;", "font-size: 11pt;", "}", ".blocklyNonEditableText>text {", "pointer-events: none;", "}", ".blocklyNonEditableText>rect,", ".blocklyEditableText>rect {", "fill: #fff;", "fill-opacity: .6;", "}", ".blocklyNonEditableText>text,", ".blocklyEditableText>text {", "fill: #000;", "}", ".blocklyEditableText:hover>rect {", "stroke: #fff;", "stroke-width: 2;", "}", ".blocklyBubbleText {", "fill: #000;", "}", ".blocklyFlyoutButton {", "fill: #888;", "cursor: default;", "}",
	".blocklyFlyoutButtonShadow {", "fill: #666;", "}", ".blocklyFlyoutButton:hover {", "fill: #aaa;", "}", ".blocklyFlyoutLabel {", "cursor: default;", "}", ".blocklyFlyoutLabelBackground {", "opacity: 0;", "}", ".blocklyFlyoutLabelText {", "fill: #000;", "}", ".blocklyFlyoutLabelText:hover {", "fill: #aaa;", "}", ".blocklySvg text {", "user-select: none;", "-moz-user-select: none;", "-webkit-user-select: none;", "cursor: inherit;", "}", ".blocklyHidden {", "display: none;", "}", ".blocklyFieldDropdown:not(.blocklyHidden) {",
	"display: block;", "}", ".blocklyIconGroup {", "cursor: default;", "}", ".blocklyIconGroup:not(:hover),", ".blocklyIconGroupReadonly {", "opacity: .6;", "}", ".blocklyIconShape {", "fill: #00f;", "stroke: #fff;", "stroke-width: 1px;", "}", ".blocklyIconSymbol {", "fill: #fff;", "}", ".blocklyMinimalBody {", "margin: 0;", "padding: 0;", "}", ".blocklyCommentTextarea {", "background-color: #ffc;", "border: 0;", "margin: 0;", "padding: 2px;", "resize: none;", "}", ".blocklyHtmlInput {", "border: none;", "border-radius: 4px;", "font-family: sans-serif;",
	"height: 100%;", "margin: 0;", "outline: none;", "padding: 0 1px;", "width: 100%", "}", ".blocklyMainBackground {", "stroke-width: 1;", "stroke: #c6c6c6;", "}", ".blocklyMutatorBackground {", "fill: #fff;", "stroke: #ddd;", "stroke-width: 1;", "}", ".blocklyFlyoutBackground {", "fill: #ddd;", "fill-opacity: .8;", "}", ".blocklyScrollbarBackground {", "opacity: 0;", "}", ".blocklyScrollbarHandle {", "fill: #ccc;", "}", ".blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,", ".blocklyScrollbarHandle:hover {", "fill: #bbb;",
	"}", ".blocklyZoom>image {", "opacity: .4;", "}", ".blocklyZoom>image:hover {", "opacity: .6;", "}", ".blocklyZoom>image:active {", "opacity: .8;", "}", ".blocklyFlyout .blocklyScrollbarHandle {", "fill: #bbb;", "}", ".blocklyFlyout .blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,", ".blocklyFlyout .blocklyScrollbarHandle:hover {", "fill: #aaa;", "}", ".blocklyInvalidInput {", "background: #faa;", "}", ".blocklyAngleCircle {", "stroke: #444;", "stroke-width: 1;", "fill: #ddd;", "fill-opacity: .8;", "}", ".blocklyAngleMarks {",
	"stroke: #444;", "stroke-width: 1;", "}", ".blocklyAngleGauge {", "fill: #f88;", "fill-opacity: .8;", "}", ".blocklyAngleLine {", "stroke: #f00;", "stroke-width: 2;", "stroke-linecap: round;", "}", ".blocklyContextMenu {", "border-radius: 4px;", "}", ".blocklyDropdownMenu {", "padding: 0 !important;", "}", ".blocklyWidgetDiv .goog-option-selected .goog-menuitem-checkbox,", ".blocklyWidgetDiv .goog-option-selected .goog-menuitem-icon {", "background: url(<<<PATH>>>/sprites.png) no-repeat -48px -16px !important;", "}",
	".blocklyToolboxDiv {", "background-color: #ddd;", "overflow-x: visible;", "overflow-y: auto;", "position: absolute;", "}", ".blocklyTreeRoot {", "padding: 4px 0;", "}", ".blocklyTreeRoot:focus {", "outline: none;", "}", ".blocklyTreeRow {", "height: 22px;", "line-height: 22px;", "margin-bottom: 3px;", "padding-right: 8px;", "white-space: nowrap;", "}", ".blocklyHorizontalTree {", "float: left;", "margin: 1px 5px 8px 0;", "}", ".blocklyHorizontalTreeRtl {", "float: right;", "margin: 1px 0 8px 5px;", "}", '.blocklyToolboxDiv[dir="RTL"] .blocklyTreeRow {',
	"margin-left: 8px;", "}", ".blocklyTreeRow:not(.blocklyTreeSelected):hover {", "background-color: #e4e4e4;", "}", ".blocklyTreeSeparator {", "border-bottom: solid #e5e5e5 1px;", "height: 0;", "margin: 5px 0;", "}", ".blocklyTreeSeparatorHorizontal {", "border-right: solid #e5e5e5 1px;", "width: 0;", "padding: 5px 0;", "margin: 0 5px;", "}", ".blocklyTreeIcon {", "background-image: url(<<<PATH>>>/sprites.png);", "height: 16px;", "vertical-align: middle;", "width: 16px;", "}", ".blocklyTreeIconClosedLtr {", "background-position: -32px -1px;",
	"}", ".blocklyTreeIconClosedRtl {", "background-position: 0px -1px;", "}", ".blocklyTreeIconOpen {", "background-position: -16px -1px;", "}", ".blocklyTreeSelected>.blocklyTreeIconClosedLtr {", "background-position: -32px -17px;", "}", ".blocklyTreeSelected>.blocklyTreeIconClosedRtl {", "background-position: 0px -17px;", "}", ".blocklyTreeSelected>.blocklyTreeIconOpen {", "background-position: -16px -17px;", "}", ".blocklyTreeIconNone,", ".blocklyTreeSelected>.blocklyTreeIconNone {", "background-position: -48px -1px;",
	"}", ".blocklyTreeLabel {", "cursor: default;", "font-family: sans-serif;", "font-size: 16px;", "padding: 0 3px;", "vertical-align: middle;", "}", ".blocklyTreeSelected .blocklyTreeLabel {", "color: #fff;", "}", ".blocklyWidgetDiv .goog-palette {", "outline: none;", "cursor: default;", "}", ".blocklyWidgetDiv .goog-palette-table {", "border: 1px solid #666;", "border-collapse: collapse;", "}", ".blocklyWidgetDiv .goog-palette-cell {", "height: 13px;", "width: 15px;", "margin: 0;", "border: 0;", "text-align: center;", "vertical-align: middle;",
	"border-right: 1px solid #666;", "font-size: 1px;", "}", ".blocklyWidgetDiv .goog-palette-colorswatch {", "position: relative;", "height: 13px;", "width: 15px;", "border: 1px solid #666;", "}", ".blocklyWidgetDiv .goog-palette-cell-hover .goog-palette-colorswatch {", "border: 1px solid #FFF;", "}", ".blocklyWidgetDiv .goog-palette-cell-selected .goog-palette-colorswatch {", "border: 1px solid #000;", "color: #fff;", "}", ".blocklyWidgetDiv .goog-menu {", "background: #fff;", "border-color: #ccc #666 #666 #ccc;", "border-style: solid;",
	"border-width: 1px;", "cursor: default;", "font: normal 13px Arial, sans-serif;", "margin: 0;", "outline: none;", "padding: 4px 0;", "position: absolute;", "overflow-y: auto;", "overflow-x: hidden;", "max-height: 100%;", "z-index: 20000;", "}", ".blocklyWidgetDiv .goog-menuitem {", "color: #000;", "font: normal 13px Arial, sans-serif;", "list-style: none;", "margin: 0;", "padding: 4px 7em 4px 28px;", "white-space: nowrap;", "}", ".blocklyWidgetDiv .goog-menuitem.goog-menuitem-rtl {", "padding-left: 7em;", "padding-right: 28px;",
	"}", ".blocklyWidgetDiv .goog-menu-nocheckbox .goog-menuitem,", ".blocklyWidgetDiv .goog-menu-noicon .goog-menuitem {", "padding-left: 12px;", "}", ".blocklyWidgetDiv .goog-menu-noaccel .goog-menuitem {", "padding-right: 20px;", "}", ".blocklyWidgetDiv .goog-menuitem-content {", "color: #000;", "font: normal 13px Arial, sans-serif;", "}", ".blocklyWidgetDiv .goog-menuitem-disabled .goog-menuitem-accel,", ".blocklyWidgetDiv .goog-menuitem-disabled .goog-menuitem-content {", "color: #ccc !important;", "}", ".blocklyWidgetDiv .goog-menuitem-disabled .goog-menuitem-icon {",
	"opacity: 0.3;", "-moz-opacity: 0.3;", "filter: alpha(opacity=30);", "}", ".blocklyWidgetDiv .goog-menuitem-highlight,", ".blocklyWidgetDiv .goog-menuitem-hover {", "background-color: #d6e9f8;", "border-color: #d6e9f8;", "border-style: dotted;", "border-width: 1px 0;", "padding-bottom: 3px;", "padding-top: 3px;", "}", ".blocklyWidgetDiv .goog-menuitem-checkbox,", ".blocklyWidgetDiv .goog-menuitem-icon {", "background-repeat: no-repeat;", "height: 16px;", "left: 6px;", "position: absolute;", "right: auto;", "vertical-align: middle;",
	"width: 16px;", "}", ".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-checkbox,", ".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-icon {", "left: auto;", "right: 6px;", "}", ".blocklyWidgetDiv .goog-option-selected .goog-menuitem-checkbox,", ".blocklyWidgetDiv .goog-option-selected .goog-menuitem-icon {", "background: url(//ssl.gstatic.com/editor/editortoolbar.png) no-repeat -512px 0;", "}", ".blocklyWidgetDiv .goog-menuitem-accel {", "color: #999;", "direction: ltr;", "left: auto;", "padding: 0 6px;",
	"position: absolute;", "right: 0;", "text-align: right;", "}", ".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-accel {", "left: 0;", "right: auto;", "text-align: left;", "}", ".blocklyWidgetDiv .goog-menuitem-mnemonic-hint {", "text-decoration: underline;", "}", ".blocklyWidgetDiv .goog-menuitem-mnemonic-separator {", "color: #999;", "font-size: 12px;", "padding-left: 4px;", "}", ".blocklyWidgetDiv .goog-menuseparator {", "border-top: 1px solid #ccc;", "margin: 4px 0;", "padding: 0;", "}", ""
];
Blockly.WidgetDiv = {};
Blockly.WidgetDiv.DIV = null;
Blockly.WidgetDiv.owner_ = null;
Blockly.WidgetDiv.dispose_ = null;
Blockly.WidgetDiv.createDom = function () {
	Blockly.WidgetDiv.DIV || (Blockly.WidgetDiv.DIV = goog.dom.createDom("DIV", "blocklyWidgetDiv"), document.body.appendChild(Blockly.WidgetDiv.DIV))
};
Blockly.WidgetDiv.show = function (a, b, c) {
	Blockly.WidgetDiv.hide();
	Blockly.WidgetDiv.owner_ = a;
	Blockly.WidgetDiv.dispose_ = c;
	a = goog.style.getViewportPageOffset(document);
	Blockly.WidgetDiv.DIV.style.top = a.y + "px";
	Blockly.WidgetDiv.DIV.style.direction = b ? "rtl" : "ltr";
	Blockly.WidgetDiv.DIV.style.display = "block"
};
Blockly.WidgetDiv.hide = function () {
	Blockly.WidgetDiv.owner_ && (Blockly.WidgetDiv.owner_ = null, Blockly.WidgetDiv.DIV.style.display = "none", Blockly.WidgetDiv.DIV.style.left = "", Blockly.WidgetDiv.DIV.style.top = "", Blockly.WidgetDiv.dispose_ && Blockly.WidgetDiv.dispose_(), Blockly.WidgetDiv.dispose_ = null, goog.dom.removeChildren(Blockly.WidgetDiv.DIV))
};
Blockly.WidgetDiv.isVisible = function () {
	return !!Blockly.WidgetDiv.owner_
};
Blockly.WidgetDiv.hideIfOwner = function (a) {
	Blockly.WidgetDiv.owner_ == a && Blockly.WidgetDiv.hide()
};
Blockly.WidgetDiv.position = function (a, b, c, d, e) {
	b < d.y && (b = d.y);
	e ? a > c.width + d.x && (a = c.width + d.x) : a < d.x && (a = d.x);
	Blockly.WidgetDiv.DIV.style.left = a + "px";
	Blockly.WidgetDiv.DIV.style.top = b + "px";
	Blockly.WidgetDiv.DIV.style.height = c.height + "px"
};
Blockly.inject = function (a, b) {
	goog.isString(a) && (a = document.getElementById(a) || document.querySelector(a));
	if (!goog.dom.contains(document, a)) throw "Error: container is not in current document.";
	var c = new Blockly.Options(b || {}),
		d = goog.dom.createDom("div", "injectionDiv");
	a.appendChild(d);
	d = Blockly.createDom_(d, c);
	c = Blockly.createMainWorkspace_(d, c);
	Blockly.init_(c);
	c.markFocused();
	Blockly.bindEventWithChecks_(d, "focus", c, c.markFocused);
	Blockly.svgResize(c);
	return c
};
Blockly.createDom_ = function (a, b) {
	a.setAttribute("dir", "LTR");
	goog.ui.Component.setDefaultRightToLeft(b.RTL);
	Blockly.Css.inject(b.hasCss, b.pathToMedia);
	var c = Blockly.createSvgElement("svg", {
		xmlns: "http://www.w3.org/2000/svg",
		"xmlns:html": "http://www.w3.org/1999/xhtml",
		"xmlns:xlink": "http://www.w3.org/1999/xlink",
		version: "1.1",
		"class": "blocklySvg"
	}, a),
		d = Blockly.createSvgElement("defs", {}, c),
		e = String(Math.random()).substring(2),
		f = Blockly.createSvgElement("filter", {
        	id: "blocklyEmbossFilter" + e
		}, d);
	Blockly.createSvgElement("feGaussianBlur", {
		"in": "SourceAlpha",
		stdDeviation: 1,
		result: "blur"
	}, f);
	var g = Blockly.createSvgElement("feSpecularLighting", {
		"in": "blur",
		surfaceScale: 1,
		specularConstant: .5,
		specularExponent: 10,
		"lighting-color": "white",
		result: "specOut"
	}, f);
	Blockly.createSvgElement("fePointLight", {
		x: -5E3,
		y: -1E4,
		z: 2E4
	}, g);
	Blockly.createSvgElement("feComposite", {
		"in": "specOut",
		in2: "SourceAlpha",
		operator: "in",
		result: "specOut"
	}, f);
	Blockly.createSvgElement("feComposite", {
		"in": "SourceGraphic",
		in2: "specOut",
		operator: "arithmetic",
		k1: 0,
		k2: 1,
		k3: 1,
		k4: 0
	}, f);
	b.embossFilterId = f.id;
	f = Blockly.createSvgElement("pattern", {
		id: "blocklyDisabledPattern" + e,
		patternUnits: "userSpaceOnUse",
		width: 10,
		height: 10
	}, d);
	Blockly.createSvgElement("rect", {
		width: 10,
		height: 10,
		fill: "#aaa"
	}, f);
	Blockly.createSvgElement("path", {
		d: "M 0 0 L 10 10 M 10 0 L 0 10",
		stroke: "#cc0"
	}, f);
	b.disabledPatternId = f.id;
	d = Blockly.createSvgElement("pattern", {
		id: "blocklyGridPattern" + e,
		patternUnits: "userSpaceOnUse"
	}, d);
	0 < b.gridOptions.length && 0 < b.gridOptions.spacing && (Blockly.createSvgElement("line", {
		stroke: b.gridOptions.colour
	}, d), 1 < b.gridOptions.length && Blockly.createSvgElement("line", {
		stroke: b.gridOptions.colour
	}, d));
	b.gridPattern = d;
	return c
};
Blockly.createMainWorkspace_ = function (a, b) {
	b.parentWorkspace = null;
	var c = new Blockly.WorkspaceSvg(b);
	c.scale = b.zoomOptions.startScale;
	a.appendChild(c.createDom("blocklyMainBackground"));
	c.translate(0, 0);
	c.markFocused();
	b.readOnly || b.hasScrollbars || c.addChangeListener(function () {
		if (Blockly.dragMode_ == Blockly.DRAG_NONE) {
			var a = c.getMetrics(),
				e = a.viewLeft + a.absoluteLeft,
				f = a.viewTop + a.absoluteTop;
			if (a.contentTop < f || a.contentTop + a.contentHeight > a.viewHeight + f || a.contentLeft < (b.RTL ? a.viewLeft : e) || a.contentLeft +
				a.contentWidth > (b.RTL ? a.viewWidth : a.viewWidth + e))
				for (var g = c.getTopBlocks(!1), h = 0, k; k = g[h]; h++) {
					var m = k.getRelativeToSurfaceXY(),
						p = k.getHeightWidth(),
						l = f + 25 - p.height - m.y;
					0 < l && k.moveBy(0, l);
					l = f + a.viewHeight - 25 - m.y;
					0 > l && k.moveBy(0, l);
					l = 25 + e - m.x - (b.RTL ? 0 : p.width);
					0 < l && k.moveBy(l, 0);
					m = e + a.viewWidth - 25 - m.x + (b.RTL ? p.width : 0);
					0 > m && k.moveBy(m, 0)
				}
		}
	});
	Blockly.svgResize(c);
	Blockly.WidgetDiv.createDom();
	Blockly.Tooltip.createDom();
	return c
};
Blockly.init_ = function (a) {
	var b = a.options,
		c = a.getParentSvg();
	Blockly.bindEventWithChecks_(c, "contextmenu", null, function (a) {
		Blockly.isTargetInput_(a) || a.preventDefault()
	});
	c = Blockly.bindEventWithChecks_(window, "resize", null, function () {
		Blockly.hideChaff(!0);
		Blockly.svgResize(a)
	});
	a.setResizeHandlerWrapper(c);
	Blockly.inject.bindDocumentEvents_();
	b.languageTree && (a.toolbox_ ? a.toolbox_.init(a) : a.flyout_ && (a.flyout_.init(a), a.flyout_.show(b.languageTree.childNodes), a.flyout_.scrollToStart(), a.scrollX = a.flyout_.width_,
		b.toolboxPosition == Blockly.TOOLBOX_AT_RIGHT && (a.scrollX *= -1), a.translate(a.scrollX, 0)));
	b.hasScrollbars && (a.scrollbar = new Blockly.ScrollbarPair(a), a.scrollbar.resize());
	b.hasSounds && Blockly.inject.loadSounds_(b.pathToMedia, a)
};
Blockly.inject.bindDocumentEvents_ = function () {
	Blockly.documentEventsBound_ || (Blockly.bindEventWithChecks_(document, "keydown", null, Blockly.onKeyDown_), Blockly.bindEventWithChecks_(document, "touchend", null, Blockly.longStop_), Blockly.bindEventWithChecks_(document, "touchcancel", null, Blockly.longStop_), document.addEventListener("mouseup", Blockly.onMouseUp_, !1), goog.userAgent.IPAD && Blockly.bindEventWithChecks_(window, "orientationchange", document, function () {
		Blockly.svgResize(Blockly.getMainWorkspace())
	}));
	Blockly.documentEventsBound_ = !0
};
Blockly.inject.loadSounds_ = function (a, b) {
	b.loadAudio_([a + "click.mp3", a + "click.wav", a + "click.ogg"], "click");
	b.loadAudio_([a + "disconnect.wav", a + "disconnect.mp3", a + "disconnect.ogg"], "disconnect");
	b.loadAudio_([a + "delete.mp3", a + "delete.ogg", a + "delete.wav"], "delete");
	var c = [],
		d = function () {
        	for (; c.length;) Blockly.unbindEvent_(c.pop());
        	b.preloadAudio_()
		};
	c.push(Blockly.bindEventWithChecks_(document, "mousemove", null, d, !0));
	c.push(Blockly.bindEventWithChecks_(document, "touchstart", null, d, !0))
};
Blockly.updateToolbox = function (a) {
	console.warn("Deprecated call to Blockly.updateToolbox, use workspace.updateToolbox instead.");
	Blockly.getMainWorkspace().updateToolbox(a)
};
Blockly.utils = {};
Blockly.addClass_ = function (a, b) {
	var c = a.getAttribute("class") || ""; -1 == (" " + c + " ").indexOf(" " + b + " ") && (c && (c += " "), a.setAttribute("class", c + b))
};
Blockly.removeClass_ = function (a, b) {
	var c = a.getAttribute("class");
	if (-1 != (" " + c + " ").indexOf(" " + b + " ")) {
		for (var c = c.split(/\s+/), d = 0; d < c.length; d++) c[d] && c[d] != b || (c.splice(d, 1), d--);
		c.length ? a.setAttribute("class", c.join(" ")) : a.removeAttribute("class")
	}
};
Blockly.hasClass_ = function (a, b) {
	return -1 != (" " + a.getAttribute("class") + " ").indexOf(" " + b + " ")
};
Blockly.bindEventWithChecks_ = function (a, b, c, d, e) {
	var f = !1,
		g = function (a) {
        	var b = !e;
        	a = Blockly.Touch.splitEventByTouches(a);
        	for (var g = 0, h; h = a[g]; g++)
        		if (!b || Blockly.Touch.shouldHandleEvent(h)) Blockly.Touch.setClientFromTouch(h), c ? d.call(c, h) : d(h), f = !0
		};
	a.addEventListener(b, g, !1);
	var h = [
		[a, b, g]
	];
	if (b in Blockly.Touch.TOUCH_MAP)
		for (var k = function (a) {
				g(a);
				f && a.preventDefault()
		}, m = 0, p; p = Blockly.Touch.TOUCH_MAP[b][m]; m++) a.addEventListener(p, k, !1), h.push([a, p, k]);
	return h
};
Blockly.bindEvent_ = function (a, b, c, d) {
	var e = function (a) {
		c ? d.call(c, a) : d(a)
	};
	a.addEventListener(b, e, !1);
	var f = [
		[a, b, e]
	];
	if (b in Blockly.Touch.TOUCH_MAP)
		for (var g = function (a) {
				if (1 == a.changedTouches.length) {
					var b = a.changedTouches[0];
					a.clientX = b.clientX;
					a.clientY = b.clientY
		}
				e(a);
				a.preventDefault()
		}, h = 0, k; k = Blockly.Touch.TOUCH_MAP[b][h]; h++) a.addEventListener(k, g, !1), f.push([a, k, g]);
	return f
};
Blockly.unbindEvent_ = function (a) {
	for (; a.length;) {
		var b = a.pop(),
			c = b[2];
		b[0].removeEventListener(b[1], c, !1)
	}
	return c
};
Blockly.noEvent = function (a) {
	a.preventDefault();
	a.stopPropagation()
};
Blockly.isTargetInput_ = function (a) {
	return "textarea" == a.target.type || "text" == a.target.type || "number" == a.target.type || "email" == a.target.type || "password" == a.target.type || "search" == a.target.type || "tel" == a.target.type || "url" == a.target.type || a.target.isContentEditable
};
Blockly.getRelativeXY_ = function (a) {
	var b = new goog.math.Coordinate(0, 0),
		c = a.getAttribute("x");
	c && (b.x = parseInt(c, 10));
	if (c = a.getAttribute("y")) b.y = parseInt(c, 10);
	if (a = (a = a.getAttribute("transform")) && a.match(Blockly.getRelativeXY_.XY_REGEXP_)) b.x += parseFloat(a[1]), a[3] && (b.y += parseFloat(a[3]));
	return b
};
Blockly.getRelativeXY_.XY_REGEXP_ = /translate\(\s*([-+\d.e]+)([ ,]\s*([-+\d.e]+)\s*\))?/;
Blockly.getSvgXY_ = function (a, b) {
	var c = 0,
		d = 0,
		e = 1;
	if (goog.dom.contains(b.getCanvas(), a) || goog.dom.contains(b.getBubbleCanvas(), a)) e = b.scale;
	do {
		var f = Blockly.getRelativeXY_(a);
		if (a == b.getCanvas() || a == b.getBubbleCanvas()) e = 1;
		c += f.x * e;
		d += f.y * e;
		a = a.parentNode
	} while (a && a != b.getParentSvg());
	return new goog.math.Coordinate(c, d)
};
Blockly.createSvgElement = function (a, b, c, d) {
	a = document.createElementNS(Blockly.SVG_NS, a);
	for (var e in b) a.setAttribute(e, b[e]);
	document.body.runtimeStyle && (a.runtimeStyle = a.currentStyle = a.style);
	c && c.appendChild(a);
	return a
};
Blockly.isRightButton = function (a) {
	return a.ctrlKey && goog.userAgent.MAC ? !0 : 2 == a.button
};
Blockly.mouseToSvg = function (a, b, c) {
	var d = b.createSVGPoint();
	d.x = a.clientX;
	d.y = a.clientY;
	c || (c = b.getScreenCTM().inverse());
	return d.matrixTransform(c)
};
Blockly.shortestStringLength = function (a) {
	if (!a.length) return 0;
	for (var b = a[0].length, c = 1; c < a.length; c++) b = Math.min(b, a[c].length);
	return b
};
Blockly.commonWordPrefix = function (a, b) {
	if (!a.length) return 0;
	if (1 == a.length) return a[0].length;
	for (var c = 0, d = b || Blockly.shortestStringLength(a), e = 0; e < d; e++) {
		for (var f = a[0][e], g = 1; g < a.length; g++)
			if (f != a[g][e]) return c;
		" " == f && (c = e + 1)
	}
	for (g = 1; g < a.length; g++)
		if ((f = a[g][e]) && " " != f) return c;
	return d
};
Blockly.commonWordSuffix = function (a, b) {
	if (!a.length) return 0;
	if (1 == a.length) return a[0].length;
	for (var c = 0, d = b || Blockly.shortestStringLength(a), e = 0; e < d; e++) {
		for (var f = a[0].substr(-e - 1, 1), g = 1; g < a.length; g++)
			if (f != a[g].substr(-e - 1, 1)) return c;
		" " == f && (c = e + 1)
	}
	for (g = 1; g < a.length; g++)
		if ((f = a[g].charAt(a[g].length - e - 1)) && " " != f) return c;
	return d
};
Blockly.isNumber = function (a) {
	return !!a.match(/^\s*-?\d+(\.\d+)?\s*$/)
};
Blockly.utils.tokenizeInterpolation = function (a) {
	var b = [];
	a = a.split("");
	a.push("");
	for (var c = 0, d = [], e = null, f = 0; f < a.length; f++) {
		var g = a[f];
		0 == c ? "%" == g ? c = 1 : d.push(g) : 1 == c ? "%" == g ? (d.push(g), c = 0) : "0" <= g && "9" >= g ? (c = 2, e = g, (g = d.join("")) && b.push(g), d.length = 0) : (d.push("%", g), c = 0) : 2 == c && ("0" <= g && "9" >= g ? e += g : (b.push(parseInt(e, 10)), f--, c = 0))
	} (g = d.join("")) && b.push(g);
	return b
};
Blockly.genUid = function () {
	for (var a = Blockly.genUid.soup_.length, b = [], c = 0; 20 > c; c++) b[c] = Blockly.genUid.soup_.charAt(Math.random() * a);
	return b.join("")
};
Blockly.genUid.soup_ = "!#$%()*+,-./:;=?@[]^_`{|}~ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
Blockly.utils.wrap = function (a, b) {
	for (var c = a.split("\n"), d = 0; d < c.length; d++) c[d] = Blockly.utils.wrap_line_(c[d], b);
	return c.join("\n")
};
Blockly.utils.wrap_line_ = function (a, b) {
	if (a.length <= b) return a;
	for (var c = a.trim().split(/\s+/), d = 0; d < c.length; d++) c[d].length > b && (b = c[d].length);
	var e, d = -Infinity,
		f, g = 1;
	do {
		e = d;
		f = a;
		for (var h = [], k = c.length / g, m = 1, d = 0; d < c.length - 1; d++) m < (d + 1.5) / k ? (m++, h[d] = !0) : h[d] = !1;
		h = Blockly.utils.wrapMutate_(c, h, b);
		d = Blockly.utils.wrapScore_(c, h, b);
		a = Blockly.utils.wrapToText_(c, h);
		g++
	} while (d > e);
	return f
};
Blockly.utils.wrapScore_ = function (a, b, c) {
	for (var d = [0], e = [], f = 0; f < a.length; f++) d[d.length - 1] += a[f].length, !0 === b[f] ? (d.push(0), e.push(a[f].charAt(a[f].length - 1))) : !1 === b[f] && d[d.length - 1]++;
	a = Math.max.apply(Math, d);
	for (f = b = 0; f < d.length; f++) b -= 2 * Math.pow(Math.abs(c - d[f]), 1.5), b -= Math.pow(a - d[f], 1.5), -1 != ".?!".indexOf(e[f]) ? b += c / 3 : -1 != ",;)]}".indexOf(e[f]) && (b += c / 4);
	1 < d.length && d[d.length - 1] <= d[d.length - 2] && (b += .5);
	return b
};
Blockly.utils.wrapMutate_ = function (a, b, c) {
	for (var d = Blockly.utils.wrapScore_(a, b, c), e, f = 0; f < b.length - 1; f++)
		if (b[f] != b[f + 1]) {
			var g = [].concat(b);
			g[f] = !g[f];
			g[f + 1] = !g[f + 1];
			var h = Blockly.utils.wrapScore_(a, g, c);
			h > d && (d = h, e = g)
		}
	return e ? Blockly.utils.wrapMutate_(a, e, c) : b
};
Blockly.utils.wrapToText_ = function (a, b) {
	for (var c = [], d = 0; d < a.length; d++) c.push(a[d]), void 0 !== b[d] && c.push(b[d] ? "\n" : " ");
	return c.join("")
};
var CLOSURE_DEFINES = {
	"goog.DEBUG": !1
};
Blockly.mainWorkspace = null;
Blockly.selected = null;
Blockly.highlightedConnection_ = null;
Blockly.localConnection_ = null;
Blockly.draggingConnections_ = [];
Blockly.clipboardXml_ = null;
Blockly.clipboardSource_ = null;
Blockly.dragMode_ = Blockly.DRAG_NONE;
Blockly.flyoutButtonCallbacks_ = {};
Blockly.registerButtonCallback = function (a, b) {
	Blockly.flyoutButtonCallbacks_[a] = b
};
Blockly.hueToRgb = function (a) {
	return goog.color.hsvToHex(a, Blockly.HSV_SATURATION, 255 * Blockly.HSV_VALUE)
};
Blockly.svgSize = function (a) {
	return {
		width: a.cachedWidth_,
		height: a.cachedHeight_
	}
};
Blockly.resizeSvgContents = function (a) {
	a.resizeContents()
};
Blockly.svgResize = function (a) {
	for (; a.options.parentWorkspace;) a = a.options.parentWorkspace;
	var b = a.getParentSvg(),
		c = b.parentNode;
	if (c) {
		var d = c.offsetWidth,
			c = c.offsetHeight;
		b.cachedWidth_ != d && (b.setAttribute("width", d + "px"), b.cachedWidth_ = d);
		b.cachedHeight_ != c && (b.setAttribute("height", c + "px"), b.cachedHeight_ = c);
		a.resize()
	}
};
Blockly.onKeyDown_ = function (a) {
	if (!Blockly.mainWorkspace.options.readOnly && !Blockly.isTargetInput_(a)) {
		var b = !1;
		if (27 == a.keyCode) Blockly.hideChaff();
		else if (8 == a.keyCode || 46 == a.keyCode) a.preventDefault(), Blockly.selected && Blockly.selected.isDeletable() && (b = !0);
		else if (a.altKey || a.ctrlKey || a.metaKey) Blockly.selected && Blockly.selected.isDeletable() && Blockly.selected.isMovable() && (67 == a.keyCode ? (Blockly.hideChaff(), Blockly.copy_(Blockly.selected)) : 88 == a.keyCode && (Blockly.copy_(Blockly.selected), b = !0)),
			86 == a.keyCode ? Blockly.clipboardXml_ && (Blockly.Events.setGroup(!0), Blockly.clipboardSource_.paste(Blockly.clipboardXml_), Blockly.Events.setGroup(!1)) : 90 == a.keyCode && (Blockly.hideChaff(), Blockly.mainWorkspace.undo(a.shiftKey));
		b && (Blockly.Events.setGroup(!0), Blockly.hideChaff(), Blockly.selected.dispose(Blockly.dragMode_ != Blockly.DRAG_FREE, !0), Blockly.highlightedConnection_ && (Blockly.highlightedConnection_.unhighlight(), Blockly.highlightedConnection_ = null), Blockly.Events.setGroup(!1))
	}
};
Blockly.terminateDrag_ = function () {
	Blockly.BlockSvg.terminateDrag();
	Blockly.Flyout.terminateDrag_()
};
Blockly.copy_ = function (a) {
	var b = Blockly.Xml.blockToDom(a);
	Blockly.dragMode_ != Blockly.DRAG_FREE && Blockly.Xml.deleteNext(b);
	var c = a.getRelativeToSurfaceXY();
	b.setAttribute("x", a.RTL ? -c.x : c.x);
	b.setAttribute("y", c.y);
	Blockly.clipboardXml_ = b;
	Blockly.clipboardSource_ = a.workspace
};
Blockly.duplicate_ = function (a) {
	var b = Blockly.clipboardXml_,
		c = Blockly.clipboardSource_;
	Blockly.copy_(a);
	a.workspace.paste(Blockly.clipboardXml_);
	Blockly.clipboardXml_ = b;
	Blockly.clipboardSource_ = c
};
Blockly.onContextMenu_ = function (a) {
	Blockly.isTargetInput_(a) || a.preventDefault()
};
Blockly.hideChaff = function (a) {
	Blockly.Tooltip.hide();
	Blockly.WidgetDiv.hide();
	a || (a = Blockly.getMainWorkspace(), a.toolbox_ && a.toolbox_.flyout_ && a.toolbox_.flyout_.autoClose && a.toolbox_.clearSelection())
};
Blockly.addChangeListener = function (a) {
	console.warn("Deprecated call to Blockly.addChangeListener, use workspace.addChangeListener instead.");
	return Blockly.getMainWorkspace().addChangeListener(a)
};
Blockly.getMainWorkspace = function () {
	return Blockly.mainWorkspace
};
Blockly.alert = function (a, b) {
	window.alert(a);
	b && b()
};
Blockly.confirm = function (a, b) {
	b(window.confirm(a))
};
Blockly.prompt = function (a, b, c) {
	c(window.prompt(a, b))
};
Blockly.jsonInitFactory_ = function (a) {
	return function () {
		this.jsonInit(a)
	}
};
Blockly.defineBlocksWithJsonArray = function (a) {
	for (var b = 0, c; c = a[b]; b++) Blockly.Blocks[c.type] = {
		init: Blockly.jsonInitFactory_(c)
	}
};
goog.global.console || (goog.global.console = {
	log: function () { },
	warn: function () { }
});
goog.global.Blockly || (goog.global.Blockly = {});
goog.global.Blockly.getMainWorkspace = Blockly.getMainWorkspace;
goog.global.Blockly.addChangeListener = Blockly.addChangeListener;