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+/* Prototype JavaScript framework, version 1.7.2
+ * (c) 2005-2010 Sam Stephenson
+ *
+ * Prototype is freely distributable under the terms of an MIT-style license.
+ * For details, see the Prototype web site: http://www.prototypejs.org/
+ *
+ *--------------------------------------------------------------------------*/
+
+var Prototype = {
+
+ Version: '1.7.2',
+
+ Browser: (function(){
+ var ua = navigator.userAgent;
+ var isOpera = Object.prototype.toString.call(window.opera) == '[object Opera]';
+ return {
+ IE: !!window.attachEvent && !isOpera,
+ Opera: isOpera,
+ WebKit: ua.indexOf('AppleWebKit/') > -1,
+ Gecko: ua.indexOf('Gecko') > -1 && ua.indexOf('KHTML') === -1,
+ MobileSafari: /Apple.*Mobile/.test(ua)
+ }
+ })(),
+
+ BrowserFeatures: {
+ XPath: !!document.evaluate,
+
+ SelectorsAPI: !!document.querySelector,
+
+ ElementExtensions: (function() {
+ var constructor = window.Element || window.HTMLElement;
+ return !!(constructor && constructor.prototype);
+ })(),
+ SpecificElementExtensions: (function() {
+ if (typeof window.HTMLDivElement !== 'undefined')
+ return true;
+
+ var div = document.createElement('div'),
+ form = document.createElement('form'),
+ isSupported = false;
+
+ if (div['__proto__'] && (div['__proto__'] !== form['__proto__'])) {
+ isSupported = true;
+ }
+
+ div = form = null;
+
+ return isSupported;
+ })()
+ },
+
+ ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script\\s*>',
+ JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,
+
+ emptyFunction: function() { },
+
+ K: function(x) { return x }
+};
+
+if (Prototype.Browser.MobileSafari)
+ Prototype.BrowserFeatures.SpecificElementExtensions = false;
+/* Based on Alex Arnell's inheritance implementation. */
+
+var Class = (function() {
+
+ var IS_DONTENUM_BUGGY = (function(){
+ for (var p in { toString: 1 }) {
+ if (p === 'toString') return false;
+ }
+ return true;
+ })();
+
+ function subclass() {};
+ function create() {
+ var parent = null, properties = $A(arguments);
+ if (Object.isFunction(properties[0]))
+ parent = properties.shift();
+
+ function klass() {
+ this.initialize.apply(this, arguments);
+ }
+
+ Object.extend(klass, Class.Methods);
+ klass.superclass = parent;
+ klass.subclasses = [];
+
+ if (parent) {
+ subclass.prototype = parent.prototype;
+ klass.prototype = new subclass;
+ parent.subclasses.push(klass);
+ }
+
+ for (var i = 0, length = properties.length; i < length; i++)
+ klass.addMethods(properties[i]);
+
+ if (!klass.prototype.initialize)
+ klass.prototype.initialize = Prototype.emptyFunction;
+
+ klass.prototype.constructor = klass;
+ return klass;
+ }
+
+ function addMethods(source) {
+ var ancestor = this.superclass && this.superclass.prototype,
+ properties = Object.keys(source);
+
+ if (IS_DONTENUM_BUGGY) {
+ if (source.toString != Object.prototype.toString)
+ properties.push("toString");
+ if (source.valueOf != Object.prototype.valueOf)
+ properties.push("valueOf");
+ }
+
+ for (var i = 0, length = properties.length; i < length; i++) {
+ var property = properties[i], value = source[property];
+ if (ancestor && Object.isFunction(value) &&
+ value.argumentNames()[0] == "$super") {
+ var method = value;
+ value = (function(m) {
+ return function() { return ancestor[m].apply(this, arguments); };
+ })(property).wrap(method);
+
+ value.valueOf = (function(method) {
+ return function() { return method.valueOf.call(method); };
+ })(method);
+
+ value.toString = (function(method) {
+ return function() { return method.toString.call(method); };
+ })(method);
+ }
+ this.prototype[property] = value;
+ }
+
+ return this;
+ }
+
+ return {
+ create: create,
+ Methods: {
+ addMethods: addMethods
+ }
+ };
+})();
+(function() {
+
+ var _toString = Object.prototype.toString,
+ _hasOwnProperty = Object.prototype.hasOwnProperty,
+ NULL_TYPE = 'Null',
+ UNDEFINED_TYPE = 'Undefined',
+ BOOLEAN_TYPE = 'Boolean',
+ NUMBER_TYPE = 'Number',
+ STRING_TYPE = 'String',
+ OBJECT_TYPE = 'Object',
+ FUNCTION_CLASS = '[object Function]',
+ BOOLEAN_CLASS = '[object Boolean]',
+ NUMBER_CLASS = '[object Number]',
+ STRING_CLASS = '[object String]',
+ ARRAY_CLASS = '[object Array]',
+ DATE_CLASS = '[object Date]',
+ NATIVE_JSON_STRINGIFY_SUPPORT = window.JSON &&
+ typeof JSON.stringify === 'function' &&
+ JSON.stringify(0) === '0' &&
+ typeof JSON.stringify(Prototype.K) === 'undefined';
+
+
+
+ var DONT_ENUMS = ['toString', 'toLocaleString', 'valueOf',
+ 'hasOwnProperty', 'isPrototypeOf', 'propertyIsEnumerable', 'constructor'];
+
+ var IS_DONTENUM_BUGGY = (function(){
+ for (var p in { toString: 1 }) {
+ if (p === 'toString') return false;
+ }
+ return true;
+ })();
+
+ function Type(o) {
+ switch(o) {
+ case null: return NULL_TYPE;
+ case (void 0): return UNDEFINED_TYPE;
+ }
+ var type = typeof o;
+ switch(type) {
+ case 'boolean': return BOOLEAN_TYPE;
+ case 'number': return NUMBER_TYPE;
+ case 'string': return STRING_TYPE;
+ }
+ return OBJECT_TYPE;
+ }
+
+ function extend(destination, source) {
+ for (var property in source)
+ destination[property] = source[property];
+ return destination;
+ }
+
+ function inspect(object) {
+ try {
+ if (isUndefined(object)) return 'undefined';
+ if (object === null) return 'null';
+ return object.inspect ? object.inspect() : String(object);
+ } catch (e) {
+ if (e instanceof RangeError) return '...';
+ throw e;
+ }
+ }
+
+ function toJSON(value) {
+ return Str('', { '': value }, []);
+ }
+
+ function Str(key, holder, stack) {
+ var value = holder[key];
+ if (Type(value) === OBJECT_TYPE && typeof value.toJSON === 'function') {
+ value = value.toJSON(key);
+ }
+
+ var _class = _toString.call(value);
+
+ switch (_class) {
+ case NUMBER_CLASS:
+ case BOOLEAN_CLASS:
+ case STRING_CLASS:
+ value = value.valueOf();
+ }
+
+ switch (value) {
+ case null: return 'null';
+ case true: return 'true';
+ case false: return 'false';
+ }
+
+ var type = typeof value;
+ switch (type) {
+ case 'string':
+ return value.inspect(true);
+ case 'number':
+ return isFinite(value) ? String(value) : 'null';
+ case 'object':
+
+ for (var i = 0, length = stack.length; i < length; i++) {
+ if (stack[i] === value) {
+ throw new TypeError("Cyclic reference to '" + value + "' in object");
+ }
+ }
+ stack.push(value);
+
+ var partial = [];
+ if (_class === ARRAY_CLASS) {
+ for (var i = 0, length = value.length; i < length; i++) {
+ var str = Str(i, value, stack);
+ partial.push(typeof str === 'undefined' ? 'null' : str);
+ }
+ partial = '[' + partial.join(',') + ']';
+ } else {
+ var keys = Object.keys(value);
+ for (var i = 0, length = keys.length; i < length; i++) {
+ var key = keys[i], str = Str(key, value, stack);
+ if (typeof str !== "undefined") {
+ partial.push(key.inspect(true)+ ':' + str);
+ }
+ }
+ partial = '{' + partial.join(',') + '}';
+ }
+ stack.pop();
+ return partial;
+ }
+ }
+
+ function stringify(object) {
+ return JSON.stringify(object);
+ }
+
+ function toQueryString(object) {
+ return $H(object).toQueryString();
+ }
+
+ function toHTML(object) {
+ return object && object.toHTML ? object.toHTML() : String.interpret(object);
+ }
+
+ function keys(object) {
+ if (Type(object) !== OBJECT_TYPE) { throw new TypeError(); }
+ var results = [];
+ for (var property in object) {
+ if (_hasOwnProperty.call(object, property))
+ results.push(property);
+ }
+
+ if (IS_DONTENUM_BUGGY) {
+ for (var i = 0; property = DONT_ENUMS[i]; i++) {
+ if (_hasOwnProperty.call(object, property))
+ results.push(property);
+ }
+ }
+
+ return results;
+ }
+
+ function values(object) {
+ var results = [];
+ for (var property in object)
+ results.push(object[property]);
+ return results;
+ }
+
+ function clone(object) {
+ return extend({ }, object);
+ }
+
+ function isElement(object) {
+ return !!(object && object.nodeType == 1);
+ }
+
+ function isArray(object) {
+ return _toString.call(object) === ARRAY_CLASS;
+ }
+
+ var hasNativeIsArray = (typeof Array.isArray == 'function')
+ && Array.isArray([]) && !Array.isArray({});
+
+ if (hasNativeIsArray) {
+ isArray = Array.isArray;
+ }
+
+ function isHash(object) {
+ return object instanceof Hash;
+ }
+
+ function isFunction(object) {
+ return _toString.call(object) === FUNCTION_CLASS;
+ }
+
+ function isString(object) {
+ return _toString.call(object) === STRING_CLASS;
+ }
+
+ function isNumber(object) {
+ return _toString.call(object) === NUMBER_CLASS;
+ }
+
+ function isDate(object) {
+ return _toString.call(object) === DATE_CLASS;
+ }
+
+ function isUndefined(object) {
+ return typeof object === "undefined";
+ }
+
+ extend(Object, {
+ extend: extend,
+ inspect: inspect,
+ toJSON: NATIVE_JSON_STRINGIFY_SUPPORT ? stringify : toJSON,
+ toQueryString: toQueryString,
+ toHTML: toHTML,
+ keys: Object.keys || keys,
+ values: values,
+ clone: clone,
+ isElement: isElement,
+ isArray: isArray,
+ isHash: isHash,
+ isFunction: isFunction,
+ isString: isString,
+ isNumber: isNumber,
+ isDate: isDate,
+ isUndefined: isUndefined
+ });
+})();
+Object.extend(Function.prototype, (function() {
+ var slice = Array.prototype.slice;
+
+ function update(array, args) {
+ var arrayLength = array.length, length = args.length;
+ while (length--) array[arrayLength + length] = args[length];
+ return array;
+ }
+
+ function merge(array, args) {
+ array = slice.call(array, 0);
+ return update(array, args);
+ }
+
+ function argumentNames() {
+ var names = this.toString().match(/^[\s\(]*function[^(]*\(([^)]*)\)/)[1]
+ .replace(/\/\/.*?[\r\n]|\/\*(?:.|[\r\n])*?\*\//g, '')
+ .replace(/\s+/g, '').split(',');
+ return names.length == 1 && !names[0] ? [] : names;
+ }
+
+
+ function bind(context) {
+ if (arguments.length < 2 && Object.isUndefined(arguments[0]))
+ return this;
+
+ if (!Object.isFunction(this))
+ throw new TypeError("The object is not callable.");
+
+ var nop = function() {};
+ var __method = this, args = slice.call(arguments, 1);
+
+ var bound = function() {
+ var a = merge(args, arguments);
+ var c = this instanceof bound ? this : context;
+ return __method.apply(c, a);
+ };
+
+ nop.prototype = this.prototype;
+ bound.prototype = new nop();
+
+ return bound;
+ }
+
+ function bindAsEventListener(context) {
+ var __method = this, args = slice.call(arguments, 1);
+ return function(event) {
+ var a = update([event || window.event], args);
+ return __method.apply(context, a);
+ }
+ }
+
+ function curry() {
+ if (!arguments.length) return this;
+ var __method = this, args = slice.call(arguments, 0);
+ return function() {
+ var a = merge(args, arguments);
+ return __method.apply(this, a);
+ }
+ }
+
+ function delay(timeout) {
+ var __method = this, args = slice.call(arguments, 1);
+ timeout = timeout * 1000;
+ return window.setTimeout(function() {
+ return __method.apply(__method, args);
+ }, timeout);
+ }
+
+ function defer() {
+ var args = update([0.01], arguments);
+ return this.delay.apply(this, args);
+ }
+
+ function wrap(wrapper) {
+ var __method = this;
+ return function() {
+ var a = update([__method.bind(this)], arguments);
+ return wrapper.apply(this, a);
+ }
+ }
+
+ function methodize() {
+ if (this._methodized) return this._methodized;
+ var __method = this;
+ return this._methodized = function() {
+ var a = update([this], arguments);
+ return __method.apply(null, a);
+ };
+ }
+
+ var extensions = {
+ argumentNames: argumentNames,
+ bindAsEventListener: bindAsEventListener,
+ curry: curry,
+ delay: delay,
+ defer: defer,
+ wrap: wrap,
+ methodize: methodize
+ };
+
+ if (!Function.prototype.bind)
+ extensions.bind = bind;
+
+ return extensions;
+})());
+
+
+
+(function(proto) {
+
+
+ function toISOString() {
+ return this.getUTCFullYear() + '-' +
+ (this.getUTCMonth() + 1).toPaddedString(2) + '-' +
+ this.getUTCDate().toPaddedString(2) + 'T' +
+ this.getUTCHours().toPaddedString(2) + ':' +
+ this.getUTCMinutes().toPaddedString(2) + ':' +
+ this.getUTCSeconds().toPaddedString(2) + 'Z';
+ }
+
+
+ function toJSON() {
+ return this.toISOString();
+ }
+
+ if (!proto.toISOString) proto.toISOString = toISOString;
+ if (!proto.toJSON) proto.toJSON = toJSON;
+
+})(Date.prototype);
+
+
+RegExp.prototype.match = RegExp.prototype.test;
+
+RegExp.escape = function(str) {
+ return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
+};
+var PeriodicalExecuter = Class.create({
+ initialize: function(callback, frequency) {
+ this.callback = callback;
+ this.frequency = frequency;
+ this.currentlyExecuting = false;
+
+ this.registerCallback();
+ },
+
+ registerCallback: function() {
+ this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
+ },
+
+ execute: function() {
+ this.callback(this);
+ },
+
+ stop: function() {
+ if (!this.timer) return;
+ clearInterval(this.timer);
+ this.timer = null;
+ },
+
+ onTimerEvent: function() {
+ if (!this.currentlyExecuting) {
+ try {
+ this.currentlyExecuting = true;
+ this.execute();
+ this.currentlyExecuting = false;
+ } catch(e) {
+ this.currentlyExecuting = false;
+ throw e;
+ }
+ }
+ }
+});
+Object.extend(String, {
+ interpret: function(value) {
+ return value == null ? '' : String(value);
+ },
+ specialChar: {
+ '\b': '\\b',
+ '\t': '\\t',
+ '\n': '\\n',
+ '\f': '\\f',
+ '\r': '\\r',
+ '\\': '\\\\'
+ }
+});
+
+Object.extend(String.prototype, (function() {
+ var NATIVE_JSON_PARSE_SUPPORT = window.JSON &&
+ typeof JSON.parse === 'function' &&
+ JSON.parse('{"test": true}').test;
+
+ function prepareReplacement(replacement) {
+ if (Object.isFunction(replacement)) return replacement;
+ var template = new Template(replacement);
+ return function(match) { return template.evaluate(match) };
+ }
+
+ function isNonEmptyRegExp(regexp) {
+ return regexp.source && regexp.source !== '(?:)';
+ }
+
+
+ function gsub(pattern, replacement) {
+ var result = '', source = this, match;
+ replacement = prepareReplacement(replacement);
+
+ if (Object.isString(pattern))
+ pattern = RegExp.escape(pattern);
+
+ if (!(pattern.length || isNonEmptyRegExp(pattern))) {
+ replacement = replacement('');
+ return replacement + source.split('').join(replacement) + replacement;
+ }
+
+ while (source.length > 0) {
+ match = source.match(pattern)
+ if (match && match[0].length > 0) {
+ result += source.slice(0, match.index);
+ result += String.interpret(replacement(match));
+ source = source.slice(match.index + match[0].length);
+ } else {
+ result += source, source = '';
+ }
+ }
+ return result;
+ }
+
+ function sub(pattern, replacement, count) {
+ replacement = prepareReplacement(replacement);
+ count = Object.isUndefined(count) ? 1 : count;
+
+ return this.gsub(pattern, function(match) {
+ if (--count < 0) return match[0];
+ return replacement(match);
+ });
+ }
+
+ function scan(pattern, iterator) {
+ this.gsub(pattern, iterator);
+ return String(this);
+ }
+
+ function truncate(length, truncation) {
+ length = length || 30;
+ truncation = Object.isUndefined(truncation) ? '...' : truncation;
+ return this.length > length ?
+ this.slice(0, length - truncation.length) + truncation : String(this);
+ }
+
+ function strip() {
+ return this.replace(/^\s+/, '').replace(/\s+$/, '');
+ }
+
+ function stripTags() {
+ return this.replace(/<\w+(\s+("[^"]*"|'[^']*'|[^>])+)?>|<\/\w+>/gi, '');
+ }
+
+ function stripScripts() {
+ return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
+ }
+
+ function extractScripts() {
+ var matchAll = new RegExp(Prototype.ScriptFragment, 'img'),
+ matchOne = new RegExp(Prototype.ScriptFragment, 'im');
+ return (this.match(matchAll) || []).map(function(scriptTag) {
+ return (scriptTag.match(matchOne) || ['', ''])[1];
+ });
+ }
+
+ function evalScripts() {
+ return this.extractScripts().map(function(script) { return eval(script); });
+ }
+
+ function escapeHTML() {
+ return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
+ }
+
+ function unescapeHTML() {
+ return this.stripTags().replace(/&lt;/g,'<').replace(/&gt;/g,'>').replace(/&amp;/g,'&');
+ }
+
+
+ function toQueryParams(separator) {
+ var match = this.strip().match(/([^?#]*)(#.*)?$/);
+ if (!match) return { };
+
+ return match[1].split(separator || '&').inject({ }, function(hash, pair) {
+ if ((pair = pair.split('='))[0]) {
+ var key = decodeURIComponent(pair.shift()),
+ value = pair.length > 1 ? pair.join('=') : pair[0];
+
+ if (value != undefined) {
+ value = value.gsub('+', ' ');
+ value = decodeURIComponent(value);
+ }
+
+ if (key in hash) {
+ if (!Object.isArray(hash[key])) hash[key] = [hash[key]];
+ hash[key].push(value);
+ }
+ else hash[key] = value;
+ }
+ return hash;
+ });
+ }
+
+ function toArray() {
+ return this.split('');
+ }
+
+ function succ() {
+ return this.slice(0, this.length - 1) +
+ String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
+ }
+
+ function times(count) {
+ return count < 1 ? '' : new Array(count + 1).join(this);
+ }
+
+ function camelize() {
+ return this.replace(/-+(.)?/g, function(match, chr) {
+ return chr ? chr.toUpperCase() : '';
+ });
+ }
+
+ function capitalize() {
+ return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
+ }
+
+ function underscore() {
+ return this.replace(/::/g, '/')
+ .replace(/([A-Z]+)([A-Z][a-z])/g, '$1_$2')
+ .replace(/([a-z\d])([A-Z])/g, '$1_$2')
+ .replace(/-/g, '_')
+ .toLowerCase();
+ }
+
+ function dasherize() {
+ return this.replace(/_/g, '-');
+ }
+
+ function inspect(useDoubleQuotes) {
+ var escapedString = this.replace(/[\x00-\x1f\\]/g, function(character) {
+ if (character in String.specialChar) {
+ return String.specialChar[character];
+ }
+ return '\\u00' + character.charCodeAt().toPaddedString(2, 16);
+ });
+ if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
+ return "'" + escapedString.replace(/'/g, '\\\'') + "'";
+ }
+
+ function unfilterJSON(filter) {
+ return this.replace(filter || Prototype.JSONFilter, '$1');
+ }
+
+ function isJSON() {
+ var str = this;
+ if (str.blank()) return false;
+ str = str.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@');
+ str = str.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']');
+ str = str.replace(/(?:^|:|,)(?:\s*\[)+/g, '');
+ return (/^[\],:{}\s]*$/).test(str);
+ }
+
+ function evalJSON(sanitize) {
+ var json = this.unfilterJSON(),
+ cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
+ if (cx.test(json)) {
+ json = json.replace(cx, function (a) {
+ return '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
+ });
+ }
+ try {
+ if (!sanitize || json.isJSON()) return eval('(' + json + ')');
+ } catch (e) { }
+ throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
+ }
+
+ function parseJSON() {
+ var json = this.unfilterJSON();
+ return JSON.parse(json);
+ }
+
+ function include(pattern) {
+ return this.indexOf(pattern) > -1;
+ }
+
+ function startsWith(pattern, position) {
+ position = Object.isNumber(position) ? position : 0;
+ return this.lastIndexOf(pattern, position) === position;
+ }
+
+ function endsWith(pattern, position) {
+ pattern = String(pattern);
+ position = Object.isNumber(position) ? position : this.length;
+ if (position < 0) position = 0;
+ if (position > this.length) position = this.length;
+ var d = position - pattern.length;
+ return d >= 0 && this.indexOf(pattern, d) === d;
+ }
+
+ function empty() {
+ return this == '';
+ }
+
+ function blank() {
+ return /^\s*$/.test(this);
+ }
+
+ function interpolate(object, pattern) {
+ return new Template(this, pattern).evaluate(object);
+ }
+
+ return {
+ gsub: gsub,
+ sub: sub,
+ scan: scan,
+ truncate: truncate,
+ strip: String.prototype.trim || strip,
+ stripTags: stripTags,
+ stripScripts: stripScripts,
+ extractScripts: extractScripts,
+ evalScripts: evalScripts,
+ escapeHTML: escapeHTML,
+ unescapeHTML: unescapeHTML,
+ toQueryParams: toQueryParams,
+ parseQuery: toQueryParams,
+ toArray: toArray,
+ succ: succ,
+ times: times,
+ camelize: camelize,
+ capitalize: capitalize,
+ underscore: underscore,
+ dasherize: dasherize,
+ inspect: inspect,
+ unfilterJSON: unfilterJSON,
+ isJSON: isJSON,
+ evalJSON: NATIVE_JSON_PARSE_SUPPORT ? parseJSON : evalJSON,
+ include: include,
+ startsWith: String.prototype.startsWith || startsWith,
+ endsWith: String.prototype.endsWith || endsWith,
+ empty: empty,
+ blank: blank,
+ interpolate: interpolate
+ };
+})());
+
+var Template = Class.create({
+ initialize: function(template, pattern) {
+ this.template = template.toString();
+ this.pattern = pattern || Template.Pattern;
+ },
+
+ evaluate: function(object) {
+ if (object && Object.isFunction(object.toTemplateReplacements))
+ object = object.toTemplateReplacements();
+
+ return this.template.gsub(this.pattern, function(match) {
+ if (object == null) return (match[1] + '');
+
+ var before = match[1] || '';
+ if (before == '\\') return match[2];
+
+ var ctx = object, expr = match[3],
+ pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
+
+ match = pattern.exec(expr);
+ if (match == null) return before;
+
+ while (match != null) {
+ var comp = match[1].startsWith('[') ? match[2].replace(/\\\\]/g, ']') : match[1];
+ ctx = ctx[comp];
+ if (null == ctx || '' == match[3]) break;
+ expr = expr.substring('[' == match[3] ? match[1].length : match[0].length);
+ match = pattern.exec(expr);
+ }
+
+ return before + String.interpret(ctx);
+ });
+ }
+});
+Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;
+
+var $break = { };
+
+var Enumerable = (function() {
+ function each(iterator, context) {
+ try {
+ this._each(iterator, context);
+ } catch (e) {
+ if (e != $break) throw e;
+ }
+ return this;
+ }
+
+ function eachSlice(number, iterator, context) {
+ var index = -number, slices = [], array = this.toArray();
+ if (number < 1) return array;
+ while ((index += number) < array.length)
+ slices.push(array.slice(index, index+number));
+ return slices.collect(iterator, context);
+ }
+
+ function all(iterator, context) {
+ iterator = iterator || Prototype.K;
+ var result = true;
+ this.each(function(value, index) {
+ result = result && !!iterator.call(context, value, index, this);
+ if (!result) throw $break;
+ }, this);
+ return result;
+ }
+
+ function any(iterator, context) {
+ iterator = iterator || Prototype.K;
+ var result = false;
+ this.each(function(value, index) {
+ if (result = !!iterator.call(context, value, index, this))
+ throw $break;
+ }, this);
+ return result;
+ }
+
+ function collect(iterator, context) {
+ iterator = iterator || Prototype.K;
+ var results = [];
+ this.each(function(value, index) {
+ results.push(iterator.call(context, value, index, this));
+ }, this);
+ return results;
+ }
+
+ function detect(iterator, context) {
+ var result;
+ this.each(function(value, index) {
+ if (iterator.call(context, value, index, this)) {
+ result = value;
+ throw $break;
+ }
+ }, this);
+ return result;
+ }
+
+ function findAll(iterator, context) {
+ var results = [];
+ this.each(function(value, index) {
+ if (iterator.call(context, value, index, this))
+ results.push(value);
+ }, this);
+ return results;
+ }
+
+ function grep(filter, iterator, context) {
+ iterator = iterator || Prototype.K;
+ var results = [];
+
+ if (Object.isString(filter))
+ filter = new RegExp(RegExp.escape(filter));
+
+ this.each(function(value, index) {
+ if (filter.match(value))
+ results.push(iterator.call(context, value, index, this));
+ }, this);
+ return results;
+ }
+
+ function include(object) {
+ if (Object.isFunction(this.indexOf) && this.indexOf(object) != -1)
+ return true;
+
+ var found = false;
+ this.each(function(value) {
+ if (value == object) {
+ found = true;
+ throw $break;
+ }
+ });
+ return found;
+ }
+
+ function inGroupsOf(number, fillWith) {
+ fillWith = Object.isUndefined(fillWith) ? null : fillWith;
+ return this.eachSlice(number, function(slice) {
+ while(slice.length < number) slice.push(fillWith);
+ return slice;
+ });
+ }
+
+ function inject(memo, iterator, context) {
+ this.each(function(value, index) {
+ memo = iterator.call(context, memo, value, index, this);
+ }, this);
+ return memo;
+ }
+
+ function invoke(method) {
+ var args = $A(arguments).slice(1);
+ return this.map(function(value) {
+ return value[method].apply(value, args);
+ });
+ }
+
+ function max(iterator, context) {
+ iterator = iterator || Prototype.K;
+ var result;
+ this.each(function(value, index) {
+ value = iterator.call(context, value, index, this);
+ if (result == null || value >= result)
+ result = value;
+ }, this);
+ return result;
+ }
+
+ function min(iterator, context) {
+ iterator = iterator || Prototype.K;
+ var result;
+ this.each(function(value, index) {
+ value = iterator.call(context, value, index, this);
+ if (result == null || value < result)
+ result = value;
+ }, this);
+ return result;
+ }
+
+ function partition(iterator, context) {
+ iterator = iterator || Prototype.K;
+ var trues = [], falses = [];
+ this.each(function(value, index) {
+ (iterator.call(context, value, index, this) ?
+ trues : falses).push(value);
+ }, this);
+ return [trues, falses];
+ }
+
+ function pluck(property) {
+ var results = [];
+ this.each(function(value) {
+ results.push(value[property]);
+ });
+ return results;
+ }
+
+ function reject(iterator, context) {
+ var results = [];
+ this.each(function(value, index) {
+ if (!iterator.call(context, value, index, this))
+ results.push(value);
+ }, this);
+ return results;
+ }
+
+ function sortBy(iterator, context) {
+ return this.map(function(value, index) {
+ return {
+ value: value,
+ criteria: iterator.call(context, value, index, this)
+ };
+ }, this).sort(function(left, right) {
+ var a = left.criteria, b = right.criteria;
+ return a < b ? -1 : a > b ? 1 : 0;
+ }).pluck('value');
+ }
+
+ function toArray() {
+ return this.map();
+ }
+
+ function zip() {
+ var iterator = Prototype.K, args = $A(arguments);
+ if (Object.isFunction(args.last()))
+ iterator = args.pop();
+
+ var collections = [this].concat(args).map($A);
+ return this.map(function(value, index) {
+ return iterator(collections.pluck(index));
+ });
+ }
+
+ function size() {
+ return this.toArray().length;
+ }
+
+ function inspect() {
+ return '#<Enumerable:' + this.toArray().inspect() + '>';
+ }
+
+
+
+
+
+
+
+
+
+ return {
+ each: each,
+ eachSlice: eachSlice,
+ all: all,
+ every: all,
+ any: any,
+ some: any,
+ collect: collect,
+ map: collect,
+ detect: detect,
+ findAll: findAll,
+ select: findAll,
+ filter: findAll,
+ grep: grep,
+ include: include,
+ member: include,
+ inGroupsOf: inGroupsOf,
+ inject: inject,
+ invoke: invoke,
+ max: max,
+ min: min,
+ partition: partition,
+ pluck: pluck,
+ reject: reject,
+ sortBy: sortBy,
+ toArray: toArray,
+ entries: toArray,
+ zip: zip,
+ size: size,
+ inspect: inspect,
+ find: detect
+ };
+})();
+
+function $A(iterable) {
+ if (!iterable) return [];
+ if ('toArray' in Object(iterable)) return iterable.toArray();
+ var length = iterable.length || 0, results = new Array(length);
+ while (length--) results[length] = iterable[length];
+ return results;
+}
+
+
+function $w(string) {
+ if (!Object.isString(string)) return [];
+ string = string.strip();
+ return string ? string.split(/\s+/) : [];
+}
+
+Array.from = $A;
+
+
+(function() {
+ var arrayProto = Array.prototype,
+ slice = arrayProto.slice,
+ _each = arrayProto.forEach; // use native browser JS 1.6 implementation if available
+
+ function each(iterator, context) {
+ for (var i = 0, length = this.length >>> 0; i < length; i++) {
+ if (i in this) iterator.call(context, this[i], i, this);
+ }
+ }
+ if (!_each) _each = each;
+
+ function clear() {
+ this.length = 0;
+ return this;
+ }
+
+ function first() {
+ return this[0];
+ }
+
+ function last() {
+ return this[this.length - 1];
+ }
+
+ function compact() {
+ return this.select(function(value) {
+ return value != null;
+ });
+ }
+
+ function flatten() {
+ return this.inject([], function(array, value) {
+ if (Object.isArray(value))
+ return array.concat(value.flatten());
+ array.push(value);
+ return array;
+ });
+ }
+
+ function without() {
+ var values = slice.call(arguments, 0);
+ return this.select(function(value) {
+ return !values.include(value);
+ });
+ }
+
+ function reverse(inline) {
+ return (inline === false ? this.toArray() : this)._reverse();
+ }
+
+ function uniq(sorted) {
+ return this.inject([], function(array, value, index) {
+ if (0 == index || (sorted ? array.last() != value : !array.include(value)))
+ array.push(value);
+ return array;
+ });
+ }
+
+ function intersect(array) {
+ return this.uniq().findAll(function(item) {
+ return array.indexOf(item) !== -1;
+ });
+ }
+
+
+ function clone() {
+ return slice.call(this, 0);
+ }
+
+ function size() {
+ return this.length;
+ }
+
+ function inspect() {
+ return '[' + this.map(Object.inspect).join(', ') + ']';
+ }
+
+ function indexOf(item, i) {
+ if (this == null) throw new TypeError();
+
+ var array = Object(this), length = array.length >>> 0;
+ if (length === 0) return -1;
+
+ i = Number(i);
+ if (isNaN(i)) {
+ i = 0;
+ } else if (i !== 0 && isFinite(i)) {
+ i = (i > 0 ? 1 : -1) * Math.floor(Math.abs(i));
+ }
+
+ if (i > length) return -1;
+
+ var k = i >= 0 ? i : Math.max(length - Math.abs(i), 0);
+ for (; k < length; k++)
+ if (k in array && array[k] === item) return k;
+ return -1;
+ }
+
+
+ function lastIndexOf(item, i) {
+ if (this == null) throw new TypeError();
+
+ var array = Object(this), length = array.length >>> 0;
+ if (length === 0) return -1;
+
+ if (!Object.isUndefined(i)) {
+ i = Number(i);
+ if (isNaN(i)) {
+ i = 0;
+ } else if (i !== 0 && isFinite(i)) {
+ i = (i > 0 ? 1 : -1) * Math.floor(Math.abs(i));
+ }
+ } else {
+ i = length;
+ }
+
+ var k = i >= 0 ? Math.min(i, length - 1) :
+ length - Math.abs(i);
+
+ for (; k >= 0; k--)
+ if (k in array && array[k] === item) return k;
+ return -1;
+ }
+
+ function concat(_) {
+ var array = [], items = slice.call(arguments, 0), item, n = 0;
+ items.unshift(this);
+ for (var i = 0, length = items.length; i < length; i++) {
+ item = items[i];
+ if (Object.isArray(item) && !('callee' in item)) {
+ for (var j = 0, arrayLength = item.length; j < arrayLength; j++) {
+ if (j in item) array[n] = item[j];
+ n++;
+ }
+ } else {
+ array[n++] = item;
+ }
+ }
+ array.length = n;
+ return array;
+ }
+
+
+ function wrapNative(method) {
+ return function() {
+ if (arguments.length === 0) {
+ return method.call(this, Prototype.K);
+ } else if (arguments[0] === undefined) {
+ var args = slice.call(arguments, 1);
+ args.unshift(Prototype.K);
+ return method.apply(this, args);
+ } else {
+ return method.apply(this, arguments);
+ }
+ };
+ }
+
+
+ function map(iterator) {
+ if (this == null) throw new TypeError();
+ iterator = iterator || Prototype.K;
+
+ var object = Object(this);
+ var results = [], context = arguments[1], n = 0;
+
+ for (var i = 0, length = object.length >>> 0; i < length; i++) {
+ if (i in object) {
+ results[n] = iterator.call(context, object[i], i, object);
+ }
+ n++;
+ }
+ results.length = n;
+ return results;
+ }
+
+ if (arrayProto.map) {
+ map = wrapNative(Array.prototype.map);
+ }
+
+ function filter(iterator) {
+ if (this == null || !Object.isFunction(iterator))
+ throw new TypeError();
+
+ var object = Object(this);
+ var results = [], context = arguments[1], value;
+
+ for (var i = 0, length = object.length >>> 0; i < length; i++) {
+ if (i in object) {
+ value = object[i];
+ if (iterator.call(context, value, i, object)) {
+ results.push(value);
+ }
+ }
+ }
+ return results;
+ }
+
+ if (arrayProto.filter) {
+ filter = Array.prototype.filter;
+ }
+
+ function some(iterator) {
+ if (this == null) throw new TypeError();
+ iterator = iterator || Prototype.K;
+ var context = arguments[1];
+
+ var object = Object(this);
+ for (var i = 0, length = object.length >>> 0; i < length; i++) {
+ if (i in object && iterator.call(context, object[i], i, object)) {
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ if (arrayProto.some) {
+ var some = wrapNative(Array.prototype.some);
+ }
+
+
+ function every(iterator) {
+ if (this == null) throw new TypeError();
+ iterator = iterator || Prototype.K;
+ var context = arguments[1];
+
+ var object = Object(this);
+ for (var i = 0, length = object.length >>> 0; i < length; i++) {
+ if (i in object && !iterator.call(context, object[i], i, object)) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ if (arrayProto.every) {
+ var every = wrapNative(Array.prototype.every);
+ }
+
+ var _reduce = arrayProto.reduce;
+ function inject(memo, iterator) {
+ iterator = iterator || Prototype.K;
+ var context = arguments[2];
+ return _reduce.call(this, iterator.bind(context), memo);
+ }
+
+ if (!arrayProto.reduce) {
+ var inject = Enumerable.inject;
+ }
+
+ Object.extend(arrayProto, Enumerable);
+
+ if (!arrayProto._reverse)
+ arrayProto._reverse = arrayProto.reverse;
+
+ Object.extend(arrayProto, {
+ _each: _each,
+
+ map: map,
+ collect: map,
+ select: filter,
+ filter: filter,
+ findAll: filter,
+ some: some,
+ any: some,
+ every: every,
+ all: every,
+ inject: inject,
+
+ clear: clear,
+ first: first,
+ last: last,
+ compact: compact,
+ flatten: flatten,
+ without: without,
+ reverse: reverse,
+ uniq: uniq,
+ intersect: intersect,
+ clone: clone,
+ toArray: clone,
+ size: size,
+ inspect: inspect
+ });
+
+ var CONCAT_ARGUMENTS_BUGGY = (function() {
+ return [].concat(arguments)[0][0] !== 1;
+ })(1,2);
+
+ if (CONCAT_ARGUMENTS_BUGGY) arrayProto.concat = concat;
+
+ if (!arrayProto.indexOf) arrayProto.indexOf = indexOf;
+ if (!arrayProto.lastIndexOf) arrayProto.lastIndexOf = lastIndexOf;
+})();
+function $H(object) {
+ return new Hash(object);
+};
+
+var Hash = Class.create(Enumerable, (function() {
+ function initialize(object) {
+ this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
+ }
+
+
+ function _each(iterator, context) {
+ var i = 0;
+ for (var key in this._object) {
+ var value = this._object[key], pair = [key, value];
+ pair.key = key;
+ pair.value = value;
+ iterator.call(context, pair, i);
+ i++;
+ }
+ }
+
+ function set(key, value) {
+ return this._object[key] = value;
+ }
+
+ function get(key) {
+ if (this._object[key] !== Object.prototype[key])
+ return this._object[key];
+ }
+
+ function unset(key) {
+ var value = this._object[key];
+ delete this._object[key];
+ return value;
+ }
+
+ function toObject() {
+ return Object.clone(this._object);
+ }
+
+
+
+ function keys() {
+ return this.pluck('key');
+ }
+
+ function values() {
+ return this.pluck('value');
+ }
+
+ function index(value) {
+ var match = this.detect(function(pair) {
+ return pair.value === value;
+ });
+ return match && match.key;
+ }
+
+ function merge(object) {
+ return this.clone().update(object);
+ }
+
+ function update(object) {
+ return new Hash(object).inject(this, function(result, pair) {
+ result.set(pair.key, pair.value);
+ return result;
+ });
+ }
+
+ function toQueryPair(key, value) {
+ if (Object.isUndefined(value)) return key;
+
+ value = String.interpret(value);
+
+ value = value.gsub(/(\r)?\n/, '\r\n');
+ value = encodeURIComponent(value);
+ value = value.gsub(/%20/, '+');
+ return key + '=' + value;
+ }
+
+ function toQueryString() {
+ return this.inject([], function(results, pair) {
+ var key = encodeURIComponent(pair.key), values = pair.value;
+
+ if (values && typeof values == 'object') {
+ if (Object.isArray(values)) {
+ var queryValues = [];
+ for (var i = 0, len = values.length, value; i < len; i++) {
+ value = values[i];
+ queryValues.push(toQueryPair(key, value));
+ }
+ return results.concat(queryValues);
+ }
+ } else results.push(toQueryPair(key, values));
+ return results;
+ }).join('&');
+ }
+
+ function inspect() {
+ return '#<Hash:{' + this.map(function(pair) {
+ return pair.map(Object.inspect).join(': ');
+ }).join(', ') + '}>';
+ }
+
+ function clone() {
+ return new Hash(this);
+ }
+
+ return {
+ initialize: initialize,
+ _each: _each,
+ set: set,
+ get: get,
+ unset: unset,
+ toObject: toObject,
+ toTemplateReplacements: toObject,
+ keys: keys,
+ values: values,
+ index: index,
+ merge: merge,
+ update: update,
+ toQueryString: toQueryString,
+ inspect: inspect,
+ toJSON: toObject,
+ clone: clone
+ };
+})());
+
+Hash.from = $H;
+Object.extend(Number.prototype, (function() {
+ function toColorPart() {
+ return this.toPaddedString(2, 16);
+ }
+
+ function succ() {
+ return this + 1;
+ }
+
+ function times(iterator, context) {
+ $R(0, this, true).each(iterator, context);
+ return this;
+ }
+
+ function toPaddedString(length, radix) {
+ var string = this.toString(radix || 10);
+ return '0'.times(length - string.length) + string;
+ }
+
+ function abs() {
+ return Math.abs(this);
+ }
+
+ function round() {
+ return Math.round(this);
+ }
+
+ function ceil() {
+ return Math.ceil(this);
+ }
+
+ function floor() {
+ return Math.floor(this);
+ }
+
+ return {
+ toColorPart: toColorPart,
+ succ: succ,
+ times: times,
+ toPaddedString: toPaddedString,
+ abs: abs,
+ round: round,
+ ceil: ceil,
+ floor: floor
+ };
+})());
+
+function $R(start, end, exclusive) {
+ return new ObjectRange(start, end, exclusive);
+}
+
+var ObjectRange = Class.create(Enumerable, (function() {
+ function initialize(start, end, exclusive) {
+ this.start = start;
+ this.end = end;
+ this.exclusive = exclusive;
+ }
+
+ function _each(iterator, context) {
+ var value = this.start, i;
+ for (i = 0; this.include(value); i++) {
+ iterator.call(context, value, i);
+ value = value.succ();
+ }
+ }
+
+ function include(value) {
+ if (value < this.start)
+ return false;
+ if (this.exclusive)
+ return value < this.end;
+ return value <= this.end;
+ }
+
+ return {
+ initialize: initialize,
+ _each: _each,
+ include: include
+ };
+})());
+
+
+
+var Abstract = { };
+
+
+var Try = {
+ these: function() {
+ var returnValue;
+
+ for (var i = 0, length = arguments.length; i < length; i++) {
+ var lambda = arguments[i];
+ try {
+ returnValue = lambda();
+ break;
+ } catch (e) { }
+ }
+
+ return returnValue;
+ }
+};
+
+var Ajax = {
+ getTransport: function() {
+ return Try.these(
+ function() {return new XMLHttpRequest()},
+ function() {return new ActiveXObject('Msxml2.XMLHTTP')},
+ function() {return new ActiveXObject('Microsoft.XMLHTTP')}
+ ) || false;
+ },
+
+ activeRequestCount: 0
+};
+
+Ajax.Responders = {
+ responders: [],
+
+ _each: function(iterator, context) {
+ this.responders._each(iterator, context);
+ },
+
+ register: function(responder) {
+ if (!this.include(responder))
+ this.responders.push(responder);
+ },
+
+ unregister: function(responder) {
+ this.responders = this.responders.without(responder);
+ },
+
+ dispatch: function(callback, request, transport, json) {
+ this.each(function(responder) {
+ if (Object.isFunction(responder[callback])) {
+ try {
+ responder[callback].apply(responder, [request, transport, json]);
+ } catch (e) { }
+ }
+ });
+ }
+};
+
+Object.extend(Ajax.Responders, Enumerable);
+
+Ajax.Responders.register({
+ onCreate: function() { Ajax.activeRequestCount++ },
+ onComplete: function() { Ajax.activeRequestCount-- }
+});
+Ajax.Base = Class.create({
+ initialize: function(options) {
+ this.options = {
+ method: 'post',
+ asynchronous: true,
+ contentType: 'application/x-www-form-urlencoded',
+ encoding: 'UTF-8',
+ parameters: '',
+ evalJSON: true,
+ evalJS: true
+ };
+ Object.extend(this.options, options || { });
+
+ this.options.method = this.options.method.toLowerCase();
+
+ if (Object.isHash(this.options.parameters))
+ this.options.parameters = this.options.parameters.toObject();
+ }
+});
+Ajax.Request = Class.create(Ajax.Base, {
+ _complete: false,
+
+ initialize: function($super, url, options) {
+ $super(options);
+ this.transport = Ajax.getTransport();
+ this.request(url);
+ },
+
+ request: function(url) {
+ this.url = url;
+ this.method = this.options.method;
+ var params = Object.isString(this.options.parameters) ?
+ this.options.parameters :
+ Object.toQueryString(this.options.parameters);
+
+ if (!['get', 'post'].include(this.method)) {
+ params += (params ? '&' : '') + "_method=" + this.method;
+ this.method = 'post';
+ }
+
+ if (params && this.method === 'get') {
+ this.url += (this.url.include('?') ? '&' : '?') + params;
+ }
+
+ this.parameters = params.toQueryParams();
+
+ try {
+ var response = new Ajax.Response(this);
+ if (this.options.onCreate) this.options.onCreate(response);
+ Ajax.Responders.dispatch('onCreate', this, response);
+
+ this.transport.open(this.method.toUpperCase(), this.url,
+ this.options.asynchronous);
+
+ if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);
+
+ this.transport.onreadystatechange = this.onStateChange.bind(this);
+ this.setRequestHeaders();
+
+ this.body = this.method == 'post' ? (this.options.postBody || params) : null;
+ this.transport.send(this.body);
+
+ /* Force Firefox to handle ready state 4 for synchronous requests */
+ if (!this.options.asynchronous && this.transport.overrideMimeType)
+ this.onStateChange();
+
+ }
+ catch (e) {
+ this.dispatchException(e);
+ }
+ },
+
+ onStateChange: function() {
+ var readyState = this.transport.readyState;
+ if (readyState > 1 && !((readyState == 4) && this._complete))
+ this.respondToReadyState(this.transport.readyState);
+ },
+
+ setRequestHeaders: function() {
+ var headers = {
+ 'X-Requested-With': 'XMLHttpRequest',
+ 'X-Prototype-Version': Prototype.Version,
+ 'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
+ };
+
+ if (this.method == 'post') {
+ headers['Content-type'] = this.options.contentType +
+ (this.options.encoding ? '; charset=' + this.options.encoding : '');
+
+ /* Force "Connection: close" for older Mozilla browsers to work
+ * around a bug where XMLHttpRequest sends an incorrect
+ * Content-length header. See Mozilla Bugzilla #246651.
+ */
+ if (this.transport.overrideMimeType &&
+ (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
+ headers['Connection'] = 'close';
+ }
+
+ if (typeof this.options.requestHeaders == 'object') {
+ var extras = this.options.requestHeaders;
+
+ if (Object.isFunction(extras.push))
+ for (var i = 0, length = extras.length; i < length; i += 2)
+ headers[extras[i]] = extras[i+1];
+ else
+ $H(extras).each(function(pair) { headers[pair.key] = pair.value });
+ }
+
+ for (var name in headers)
+ if (headers[name] != null)
+ this.transport.setRequestHeader(name, headers[name]);
+ },
+
+ success: function() {
+ var status = this.getStatus();
+ return !status || (status >= 200 && status < 300) || status == 304;
+ },
+
+ getStatus: function() {
+ try {
+ if (this.transport.status === 1223) return 204;
+ return this.transport.status || 0;
+ } catch (e) { return 0 }
+ },
+
+ respondToReadyState: function(readyState) {
+ var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);
+
+ if (state == 'Complete') {
+ try {
+ this._complete = true;
+ (this.options['on' + response.status]
+ || this.options['on' + (this.success() ? 'Success' : 'Failure')]
+ || Prototype.emptyFunction)(response, response.headerJSON);
+ } catch (e) {
+ this.dispatchException(e);
+ }
+
+ var contentType = response.getHeader('Content-type');
+ if (this.options.evalJS == 'force'
+ || (this.options.evalJS && this.isSameOrigin() && contentType
+ && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
+ this.evalResponse();
+ }
+
+ try {
+ (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON);
+ Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON);
+ } catch (e) {
+ this.dispatchException(e);
+ }
+
+ if (state == 'Complete') {
+ this.transport.onreadystatechange = Prototype.emptyFunction;
+ }
+ },
+
+ isSameOrigin: function() {
+ var m = this.url.match(/^\s*https?:\/\/[^\/]*/);
+ return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({
+ protocol: location.protocol,
+ domain: document.domain,
+ port: location.port ? ':' + location.port : ''
+ }));
+ },
+
+ getHeader: function(name) {
+ try {
+ return this.transport.getResponseHeader(name) || null;
+ } catch (e) { return null; }
+ },
+
+ evalResponse: function() {
+ try {
+ return eval((this.transport.responseText || '').unfilterJSON());
+ } catch (e) {
+ this.dispatchException(e);
+ }
+ },
+
+ dispatchException: function(exception) {
+ (this.options.onException || Prototype.emptyFunction)(this, exception);
+ Ajax.Responders.dispatch('onException', this, exception);
+ }
+});
+
+Ajax.Request.Events =
+ ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
+
+
+
+
+
+
+
+
+Ajax.Response = Class.create({
+ initialize: function(request){
+ this.request = request;
+ var transport = this.transport = request.transport,
+ readyState = this.readyState = transport.readyState;
+
+ if ((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) {
+ this.status = this.getStatus();
+ this.statusText = this.getStatusText();
+ this.responseText = String.interpret(transport.responseText);
+ this.headerJSON = this._getHeaderJSON();
+ }
+
+ if (readyState == 4) {
+ var xml = transport.responseXML;
+ this.responseXML = Object.isUndefined(xml) ? null : xml;
+ this.responseJSON = this._getResponseJSON();
+ }
+ },
+
+ status: 0,
+
+ statusText: '',
+
+ getStatus: Ajax.Request.prototype.getStatus,
+
+ getStatusText: function() {
+ try {
+ return this.transport.statusText || '';
+ } catch (e) { return '' }
+ },
+
+ getHeader: Ajax.Request.prototype.getHeader,
+
+ getAllHeaders: function() {
+ try {
+ return this.getAllResponseHeaders();
+ } catch (e) { return null }
+ },
+
+ getResponseHeader: function(name) {
+ return this.transport.getResponseHeader(name);
+ },
+
+ getAllResponseHeaders: function() {
+ return this.transport.getAllResponseHeaders();
+ },
+
+ _getHeaderJSON: function() {
+ var json = this.getHeader('X-JSON');
+ if (!json) return null;
+
+ try {
+ json = decodeURIComponent(escape(json));
+ } catch(e) {
+ }
+
+ try {
+ return json.evalJSON(this.request.options.sanitizeJSON ||
+ !this.request.isSameOrigin());
+ } catch (e) {
+ this.request.dispatchException(e);
+ }
+ },
+
+ _getResponseJSON: function() {
+ var options = this.request.options;
+ if (!options.evalJSON || (options.evalJSON != 'force' &&
+ !(this.getHeader('Content-type') || '').include('application/json')) ||
+ this.responseText.blank())
+ return null;
+ try {
+ return this.responseText.evalJSON(options.sanitizeJSON ||
+ !this.request.isSameOrigin());
+ } catch (e) {
+ this.request.dispatchException(e);
+ }
+ }
+});
+
+Ajax.Updater = Class.create(Ajax.Request, {
+ initialize: function($super, container, url, options) {
+ this.container = {
+ success: (container.success || container),
+ failure: (container.failure || (container.success ? null : container))
+ };
+
+ options = Object.clone(options);
+ var onComplete = options.onComplete;
+ options.onComplete = (function(response, json) {
+ this.updateContent(response.responseText);
+ if (Object.isFunction(onComplete)) onComplete(response, json);
+ }).bind(this);
+
+ $super(url, options);
+ },
+
+ updateContent: function(responseText) {
+ var receiver = this.container[this.success() ? 'success' : 'failure'],
+ options = this.options;
+
+ if (!options.evalScripts) responseText = responseText.stripScripts();
+
+ if (receiver = $(receiver)) {
+ if (options.insertion) {
+ if (Object.isString(options.insertion)) {
+ var insertion = { }; insertion[options.insertion] = responseText;
+ receiver.insert(insertion);
+ }
+ else options.insertion(receiver, responseText);
+ }
+ else receiver.update(responseText);
+ }
+ }
+});
+
+Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
+ initialize: function($super, container, url, options) {
+ $super(options);
+ this.onComplete = this.options.onComplete;
+
+ this.frequency = (this.options.frequency || 2);
+ this.decay = (this.options.decay || 1);
+
+ this.updater = { };
+ this.container = container;
+ this.url = url;
+
+ this.start();
+ },
+
+ start: function() {
+ this.options.onComplete = this.updateComplete.bind(this);
+ this.onTimerEvent();
+ },
+
+ stop: function() {
+ this.updater.options.onComplete = undefined;
+ clearTimeout(this.timer);
+ (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
+ },
+
+ updateComplete: function(response) {
+ if (this.options.decay) {
+ this.decay = (response.responseText == this.lastText ?
+ this.decay * this.options.decay : 1);
+
+ this.lastText = response.responseText;
+ }
+ this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency);
+ },
+
+ onTimerEvent: function() {
+ this.updater = new Ajax.Updater(this.container, this.url, this.options);
+ }
+});
+
+(function(GLOBAL) {
+
+ var UNDEFINED;
+ var SLICE = Array.prototype.slice;
+
+ var DIV = document.createElement('div');
+
+
+ function $(element) {
+ if (arguments.length > 1) {
+ for (var i = 0, elements = [], length = arguments.length; i < length; i++)
+ elements.push($(arguments[i]));
+ return elements;
+ }
+
+ if (Object.isString(element))
+ element = document.getElementById(element);
+ return Element.extend(element);
+ }
+
+ GLOBAL.$ = $;
+
+
+ if (!GLOBAL.Node) GLOBAL.Node = {};
+
+ if (!GLOBAL.Node.ELEMENT_NODE) {
+ Object.extend(GLOBAL.Node, {
+ ELEMENT_NODE: 1,
+ ATTRIBUTE_NODE: 2,
+ TEXT_NODE: 3,
+ CDATA_SECTION_NODE: 4,
+ ENTITY_REFERENCE_NODE: 5,
+ ENTITY_NODE: 6,
+ PROCESSING_INSTRUCTION_NODE: 7,
+ COMMENT_NODE: 8,
+ DOCUMENT_NODE: 9,
+ DOCUMENT_TYPE_NODE: 10,
+ DOCUMENT_FRAGMENT_NODE: 11,
+ NOTATION_NODE: 12
+ });
+ }
+
+ var ELEMENT_CACHE = {};
+
+ function shouldUseCreationCache(tagName, attributes) {
+ if (tagName === 'select') return false;
+ if ('type' in attributes) return false;
+ return true;
+ }
+
+ var HAS_EXTENDED_CREATE_ELEMENT_SYNTAX = (function(){
+ try {
+ var el = document.createElement('<input name="x">');
+ return el.tagName.toLowerCase() === 'input' && el.name === 'x';
+ }
+ catch(err) {
+ return false;
+ }
+ })();
+
+
+ var oldElement = GLOBAL.Element;
+ function Element(tagName, attributes) {
+ attributes = attributes || {};
+ tagName = tagName.toLowerCase();
+
+ if (HAS_EXTENDED_CREATE_ELEMENT_SYNTAX && attributes.name) {
+ tagName = '<' + tagName + ' name="' + attributes.name + '">';
+ delete attributes.name;
+ return Element.writeAttribute(document.createElement(tagName), attributes);
+ }
+
+ if (!ELEMENT_CACHE[tagName])
+ ELEMENT_CACHE[tagName] = Element.extend(document.createElement(tagName));
+
+ var node = shouldUseCreationCache(tagName, attributes) ?
+ ELEMENT_CACHE[tagName].cloneNode(false) : document.createElement(tagName);
+
+ return Element.writeAttribute(node, attributes);
+ }
+
+ GLOBAL.Element = Element;
+
+ Object.extend(GLOBAL.Element, oldElement || {});
+ if (oldElement) GLOBAL.Element.prototype = oldElement.prototype;
+
+ Element.Methods = { ByTag: {}, Simulated: {} };
+
+ var methods = {};
+
+ var INSPECT_ATTRIBUTES = { id: 'id', className: 'class' };
+ function inspect(element) {
+ element = $(element);
+ var result = '<' + element.tagName.toLowerCase();
+
+ var attribute, value;
+ for (var property in INSPECT_ATTRIBUTES) {
+ attribute = INSPECT_ATTRIBUTES[property];
+ value = (element[property] || '').toString();
+ if (value) result += ' ' + attribute + '=' + value.inspect(true);
+ }
+
+ return result + '>';
+ }
+
+ methods.inspect = inspect;
+
+
+ function visible(element) {
+ return $(element).style.display !== 'none';
+ }
+
+ function toggle(element, bool) {
+ element = $(element);
+ if (Object.isUndefined(bool))
+ bool = !Element.visible(element);
+ Element[bool ? 'show' : 'hide'](element);
+
+ return element;
+ }
+
+ function hide(element) {
+ element = $(element);
+ element.style.display = 'none';
+ return element;
+ }
+
+ function show(element) {
+ element = $(element);
+ element.style.display = '';
+ return element;
+ }
+
+
+ Object.extend(methods, {
+ visible: visible,
+ toggle: toggle,
+ hide: hide,
+ show: show
+ });
+
+
+ function remove(element) {
+ element = $(element);
+ element.parentNode.removeChild(element);
+ return element;
+ }
+
+ var SELECT_ELEMENT_INNERHTML_BUGGY = (function(){
+ var el = document.createElement("select"),
+ isBuggy = true;
+ el.innerHTML = "<option value=\"test\">test</option>";
+ if (el.options && el.options[0]) {
+ isBuggy = el.options[0].nodeName.toUpperCase() !== "OPTION";
+ }
+ el = null;
+ return isBuggy;
+ })();
+
+ var TABLE_ELEMENT_INNERHTML_BUGGY = (function(){
+ try {
+ var el = document.createElement("table");
+ if (el && el.tBodies) {
+ el.innerHTML = "<tbody><tr><td>test</td></tr></tbody>";
+ var isBuggy = typeof el.tBodies[0] == "undefined";
+ el = null;
+ return isBuggy;
+ }
+ } catch (e) {
+ return true;
+ }
+ })();
+
+ var LINK_ELEMENT_INNERHTML_BUGGY = (function() {
+ try {
+ var el = document.createElement('div');
+ el.innerHTML = "<link />";
+ var isBuggy = (el.childNodes.length === 0);
+ el = null;
+ return isBuggy;
+ } catch(e) {
+ return true;
+ }
+ })();
+
+ var ANY_INNERHTML_BUGGY = SELECT_ELEMENT_INNERHTML_BUGGY ||
+ TABLE_ELEMENT_INNERHTML_BUGGY || LINK_ELEMENT_INNERHTML_BUGGY;
+
+ var SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING = (function () {
+ var s = document.createElement("script"),
+ isBuggy = false;
+ try {
+ s.appendChild(document.createTextNode(""));
+ isBuggy = !s.firstChild ||
+ s.firstChild && s.firstChild.nodeType !== 3;
+ } catch (e) {
+ isBuggy = true;
+ }
+ s = null;
+ return isBuggy;
+ })();
+
+ function update(element, content) {
+ element = $(element);
+
+ var descendants = element.getElementsByTagName('*'),
+ i = descendants.length;
+ while (i--) purgeElement(descendants[i]);
+
+ if (content && content.toElement)
+ content = content.toElement();
+
+ if (Object.isElement(content))
+ return element.update().insert(content);
+
+
+ content = Object.toHTML(content);
+ var tagName = element.tagName.toUpperCase();
+
+ if (tagName === 'SCRIPT' && SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING) {
+ element.text = content;
+ return element;
+ }
+
+ if (ANY_INNERHTML_BUGGY) {
+ if (tagName in INSERTION_TRANSLATIONS.tags) {
+ while (element.firstChild)
+ element.removeChild(element.firstChild);
+
+ var nodes = getContentFromAnonymousElement(tagName, content.stripScripts());
+ for (var i = 0, node; node = nodes[i]; i++)
+ element.appendChild(node);
+
+ } else if (LINK_ELEMENT_INNERHTML_BUGGY && Object.isString(content) && content.indexOf('<link') > -1) {
+ while (element.firstChild)
+ element.removeChild(element.firstChild);
+
+ var nodes = getContentFromAnonymousElement(tagName,
+ content.stripScripts(), true);
+
+ for (var i = 0, node; node = nodes[i]; i++)
+ element.appendChild(node);
+ } else {
+ element.innerHTML = content.stripScripts();
+ }
+ } else {
+ element.innerHTML = content.stripScripts();
+ }
+
+ content.evalScripts.bind(content).defer();
+ return element;
+ }
+
+ function replace(element, content) {
+ element = $(element);
+
+ if (content && content.toElement) {
+ content = content.toElement();
+ } else if (!Object.isElement(content)) {
+ content = Object.toHTML(content);
+ var range = element.ownerDocument.createRange();
+ range.selectNode(element);
+ content.evalScripts.bind(content).defer();
+ content = range.createContextualFragment(content.stripScripts());
+ }
+
+ element.parentNode.replaceChild(content, element);
+ return element;
+ }
+
+ var INSERTION_TRANSLATIONS = {
+ before: function(element, node) {
+ element.parentNode.insertBefore(node, element);
+ },
+ top: function(element, node) {
+ element.insertBefore(node, element.firstChild);
+ },
+ bottom: function(element, node) {
+ element.appendChild(node);
+ },
+ after: function(element, node) {
+ element.parentNode.insertBefore(node, element.nextSibling);
+ },
+
+ tags: {
+ TABLE: ['<table>', '</table>', 1],
+ TBODY: ['<table><tbody>', '</tbody></table>', 2],
+ TR: ['<table><tbody><tr>', '</tr></tbody></table>', 3],
+ TD: ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
+ SELECT: ['<select>', '</select>', 1]
+ }
+ };
+
+ var tags = INSERTION_TRANSLATIONS.tags;
+
+ Object.extend(tags, {
+ THEAD: tags.TBODY,
+ TFOOT: tags.TBODY,
+ TH: tags.TD
+ });
+
+ function replace_IE(element, content) {
+ element = $(element);
+ if (content && content.toElement)
+ content = content.toElement();
+ if (Object.isElement(content)) {
+ element.parentNode.replaceChild(content, element);
+ return element;
+ }
+
+ content = Object.toHTML(content);
+ var parent = element.parentNode, tagName = parent.tagName.toUpperCase();
+
+ if (tagName in INSERTION_TRANSLATIONS.tags) {
+ var nextSibling = Element.next(element);
+ var fragments = getContentFromAnonymousElement(
+ tagName, content.stripScripts());
+
+ parent.removeChild(element);
+
+ var iterator;
+ if (nextSibling)
+ iterator = function(node) { parent.insertBefore(node, nextSibling) };
+ else
+ iterator = function(node) { parent.appendChild(node); }
+
+ fragments.each(iterator);
+ } else {
+ element.outerHTML = content.stripScripts();
+ }
+
+ content.evalScripts.bind(content).defer();
+ return element;
+ }
+
+ if ('outerHTML' in document.documentElement)
+ replace = replace_IE;
+
+ function isContent(content) {
+ if (Object.isUndefined(content) || content === null) return false;
+
+ if (Object.isString(content) || Object.isNumber(content)) return true;
+ if (Object.isElement(content)) return true;
+ if (content.toElement || content.toHTML) return true;
+
+ return false;
+ }
+
+ function insertContentAt(element, content, position) {
+ position = position.toLowerCase();
+ var method = INSERTION_TRANSLATIONS[position];
+
+ if (content && content.toElement) content = content.toElement();
+ if (Object.isElement(content)) {
+ method(element, content);
+ return element;
+ }
+
+ content = Object.toHTML(content);
+ var tagName = ((position === 'before' || position === 'after') ?
+ element.parentNode : element).tagName.toUpperCase();
+
+ var childNodes = getContentFromAnonymousElement(tagName, content.stripScripts());
+
+ if (position === 'top' || position === 'after') childNodes.reverse();
+
+ for (var i = 0, node; node = childNodes[i]; i++)
+ method(element, node);
+
+ content.evalScripts.bind(content).defer();
+ }
+
+ function insert(element, insertions) {
+ element = $(element);
+
+ if (isContent(insertions))
+ insertions = { bottom: insertions };
+
+ for (var position in insertions)
+ insertContentAt(element, insertions[position], position);
+
+ return element;
+ }
+
+ function wrap(element, wrapper, attributes) {
+ element = $(element);
+
+ if (Object.isElement(wrapper)) {
+ $(wrapper).writeAttribute(attributes || {});
+ } else if (Object.isString(wrapper)) {
+ wrapper = new Element(wrapper, attributes);
+ } else {
+ wrapper = new Element('div', wrapper);
+ }
+
+ if (element.parentNode)
+ element.parentNode.replaceChild(wrapper, element);
+
+ wrapper.appendChild(element);
+
+ return wrapper;
+ }
+
+ function cleanWhitespace(element) {
+ element = $(element);
+ var node = element.firstChild;
+
+ while (node) {
+ var nextNode = node.nextSibling;
+ if (node.nodeType === Node.TEXT_NODE && !/\S/.test(node.nodeValue))
+ element.removeChild(node);
+ node = nextNode;
+ }
+ return element;
+ }
+
+ function empty(element) {
+ return $(element).innerHTML.blank();
+ }
+
+ function getContentFromAnonymousElement(tagName, html, force) {
+ var t = INSERTION_TRANSLATIONS.tags[tagName], div = DIV;
+
+ var workaround = !!t;
+ if (!workaround && force) {
+ workaround = true;
+ t = ['', '', 0];
+ }
+
+ if (workaround) {
+ div.innerHTML = '&#160;' + t[0] + html + t[1];
+ div.removeChild(div.firstChild);
+ for (var i = t[2]; i--; )
+ div = div.firstChild;
+ } else {
+ div.innerHTML = html;
+ }
+
+ return $A(div.childNodes);
+ }
+
+ function clone(element, deep) {
+ if (!(element = $(element))) return;
+ var clone = element.cloneNode(deep);
+ if (!HAS_UNIQUE_ID_PROPERTY) {
+ clone._prototypeUID = UNDEFINED;
+ if (deep) {
+ var descendants = Element.select(clone, '*'),
+ i = descendants.length;
+ while (i--)
+ descendants[i]._prototypeUID = UNDEFINED;
+ }
+ }
+ return Element.extend(clone);
+ }
+
+ function purgeElement(element) {
+ var uid = getUniqueElementID(element);
+ if (uid) {
+ Element.stopObserving(element);
+ if (!HAS_UNIQUE_ID_PROPERTY)
+ element._prototypeUID = UNDEFINED;
+ delete Element.Storage[uid];
+ }
+ }
+
+ function purgeCollection(elements) {
+ var i = elements.length;
+ while (i--)
+ purgeElement(elements[i]);
+ }
+
+ function purgeCollection_IE(elements) {
+ var i = elements.length, element, uid;
+ while (i--) {
+ element = elements[i];
+ uid = getUniqueElementID(element);
+ delete Element.Storage[uid];
+ delete Event.cache[uid];
+ }
+ }
+
+ if (HAS_UNIQUE_ID_PROPERTY) {
+ purgeCollection = purgeCollection_IE;
+ }
+
+
+ function purge(element) {
+ if (!(element = $(element))) return;
+ purgeElement(element);
+
+ var descendants = element.getElementsByTagName('*'),
+ i = descendants.length;
+
+ while (i--) purgeElement(descendants[i]);
+
+ return null;
+ }
+
+ Object.extend(methods, {
+ remove: remove,
+ update: update,
+ replace: replace,
+ insert: insert,
+ wrap: wrap,
+ cleanWhitespace: cleanWhitespace,
+ empty: empty,
+ clone: clone,
+ purge: purge
+ });
+
+
+
+ function recursivelyCollect(element, property, maximumLength) {
+ element = $(element);
+ maximumLength = maximumLength || -1;
+ var elements = [];
+
+ while (element = element[property]) {
+ if (element.nodeType === Node.ELEMENT_NODE)
+ elements.push(Element.extend(element));
+
+ if (elements.length === maximumLength) break;
+ }
+
+ return elements;
+ }
+
+
+ function ancestors(element) {
+ return recursivelyCollect(element, 'parentNode');
+ }
+
+ function descendants(element) {
+ return Element.select(element, '*');
+ }
+
+ function firstDescendant(element) {
+ element = $(element).firstChild;
+ while (element && element.nodeType !== Node.ELEMENT_NODE)
+ element = element.nextSibling;
+
+ return $(element);
+ }
+
+ function immediateDescendants(element) {
+ var results = [], child = $(element).firstChild;
+
+ while (child) {
+ if (child.nodeType === Node.ELEMENT_NODE)
+ results.push(Element.extend(child));
+
+ child = child.nextSibling;
+ }
+
+ return results;
+ }
+
+ function previousSiblings(element) {
+ return recursivelyCollect(element, 'previousSibling');
+ }
+
+ function nextSiblings(element) {
+ return recursivelyCollect(element, 'nextSibling');
+ }
+
+ function siblings(element) {
+ element = $(element);
+ var previous = previousSiblings(element),
+ next = nextSiblings(element);
+ return previous.reverse().concat(next);
+ }
+
+ function match(element, selector) {
+ element = $(element);
+
+ if (Object.isString(selector))
+ return Prototype.Selector.match(element, selector);
+
+ return selector.match(element);
+ }
+
+
+ function _recursivelyFind(element, property, expression, index) {
+ element = $(element), expression = expression || 0, index = index || 0;
+ if (Object.isNumber(expression)) {
+ index = expression, expression = null;
+ }
+
+ while (element = element[property]) {
+ if (element.nodeType !== 1) continue;
+ if (expression && !Prototype.Selector.match(element, expression))
+ continue;
+ if (--index >= 0) continue;
+
+ return Element.extend(element);
+ }
+ }
+
+
+ function up(element, expression, index) {
+ element = $(element);
+
+ if (arguments.length === 1) return $(element.parentNode);
+ return _recursivelyFind(element, 'parentNode', expression, index);
+ }
+
+ function down(element, expression, index) {
+ if (arguments.length === 1) return firstDescendant(element);
+ element = $(element), expression = expression || 0, index = index || 0;
+
+ if (Object.isNumber(expression))
+ index = expression, expression = '*';
+
+ var node = Prototype.Selector.select(expression, element)[index];
+ return Element.extend(node);
+ }
+
+ function previous(element, expression, index) {
+ return _recursivelyFind(element, 'previousSibling', expression, index);
+ }
+
+ function next(element, expression, index) {
+ return _recursivelyFind(element, 'nextSibling', expression, index);
+ }
+
+ function select(element) {
+ element = $(element);
+ var expressions = SLICE.call(arguments, 1).join(', ');
+ return Prototype.Selector.select(expressions, element);
+ }
+
+ function adjacent(element) {
+ element = $(element);
+ var expressions = SLICE.call(arguments, 1).join(', ');
+ var siblings = Element.siblings(element), results = [];
+ for (var i = 0, sibling; sibling = siblings[i]; i++) {
+ if (Prototype.Selector.match(sibling, expressions))
+ results.push(sibling);
+ }
+
+ return results;
+ }
+
+ function descendantOf_DOM(element, ancestor) {
+ element = $(element), ancestor = $(ancestor);
+ while (element = element.parentNode)
+ if (element === ancestor) return true;
+ return false;
+ }
+
+ function descendantOf_contains(element, ancestor) {
+ element = $(element), ancestor = $(ancestor);
+ if (!ancestor.contains) return descendantOf_DOM(element, ancestor);
+ return ancestor.contains(element) && ancestor !== element;
+ }
+
+ function descendantOf_compareDocumentPosition(element, ancestor) {
+ element = $(element), ancestor = $(ancestor);
+ return (element.compareDocumentPosition(ancestor) & 8) === 8;
+ }
+
+ var descendantOf;
+ if (DIV.compareDocumentPosition) {
+ descendantOf = descendantOf_compareDocumentPosition;
+ } else if (DIV.contains) {
+ descendantOf = descendantOf_contains;
+ } else {
+ descendantOf = descendantOf_DOM;
+ }
+
+
+ Object.extend(methods, {
+ recursivelyCollect: recursivelyCollect,
+ ancestors: ancestors,
+ descendants: descendants,
+ firstDescendant: firstDescendant,
+ immediateDescendants: immediateDescendants,
+ previousSiblings: previousSiblings,
+ nextSiblings: nextSiblings,
+ siblings: siblings,
+ match: match,
+ up: up,
+ down: down,
+ previous: previous,
+ next: next,
+ select: select,
+ adjacent: adjacent,
+ descendantOf: descendantOf,
+
+ getElementsBySelector: select,
+
+ childElements: immediateDescendants
+ });
+
+
+ var idCounter = 1;
+ function identify(element) {
+ element = $(element);
+ var id = Element.readAttribute(element, 'id');
+ if (id) return id;
+
+ do { id = 'anonymous_element_' + idCounter++ } while ($(id));
+
+ Element.writeAttribute(element, 'id', id);
+ return id;
+ }
+
+
+ function readAttribute(element, name) {
+ return $(element).getAttribute(name);
+ }
+
+ function readAttribute_IE(element, name) {
+ element = $(element);
+
+ var table = ATTRIBUTE_TRANSLATIONS.read;
+ if (table.values[name])
+ return table.values[name](element, name);
+
+ if (table.names[name]) name = table.names[name];
+
+ if (name.include(':')) {
+ if (!element.attributes || !element.attributes[name]) return null;
+ return element.attributes[name].value;
+ }
+
+ return element.getAttribute(name);
+ }
+
+ function readAttribute_Opera(element, name) {
+ if (name === 'title') return element.title;
+ return element.getAttribute(name);
+ }
+
+ var PROBLEMATIC_ATTRIBUTE_READING = (function() {
+ DIV.setAttribute('onclick', []);
+ var value = DIV.getAttribute('onclick');
+ var isFunction = Object.isArray(value);
+ DIV.removeAttribute('onclick');
+ return isFunction;
+ })();
+
+ if (PROBLEMATIC_ATTRIBUTE_READING) {
+ readAttribute = readAttribute_IE;
+ } else if (Prototype.Browser.Opera) {
+ readAttribute = readAttribute_Opera;
+ }
+
+
+ function writeAttribute(element, name, value) {
+ element = $(element);
+ var attributes = {}, table = ATTRIBUTE_TRANSLATIONS.write;
+
+ if (typeof name === 'object') {
+ attributes = name;
+ } else {
+ attributes[name] = Object.isUndefined(value) ? true : value;
+ }
+
+ for (var attr in attributes) {
+ name = table.names[attr] || attr;
+ value = attributes[attr];
+ if (table.values[attr])
+ name = table.values[attr](element, value) || name;
+ if (value === false || value === null)
+ element.removeAttribute(name);
+ else if (value === true)
+ element.setAttribute(name, name);
+ else element.setAttribute(name, value);
+ }
+
+ return element;
+ }
+
+ var PROBLEMATIC_HAS_ATTRIBUTE_WITH_CHECKBOXES = (function () {
+ if (!HAS_EXTENDED_CREATE_ELEMENT_SYNTAX) {
+ return false;
+ }
+ var checkbox = document.createElement('<input type="checkbox">');
+ checkbox.checked = true;
+ var node = checkbox.getAttributeNode('checked');
+ return !node || !node.specified;
+ })();
+
+ function hasAttribute(element, attribute) {
+ attribute = ATTRIBUTE_TRANSLATIONS.has[attribute] || attribute;
+ var node = $(element).getAttributeNode(attribute);
+ return !!(node && node.specified);
+ }
+
+ function hasAttribute_IE(element, attribute) {
+ if (attribute === 'checked') {
+ return element.checked;
+ }
+ return hasAttribute(element, attribute);
+ }
+
+ GLOBAL.Element.Methods.Simulated.hasAttribute =
+ PROBLEMATIC_HAS_ATTRIBUTE_WITH_CHECKBOXES ?
+ hasAttribute_IE : hasAttribute;
+
+ function classNames(element) {
+ return new Element.ClassNames(element);
+ }
+
+ var regExpCache = {};
+ function getRegExpForClassName(className) {
+ if (regExpCache[className]) return regExpCache[className];
+
+ var re = new RegExp("(^|\\s+)" + className + "(\\s+|$)");
+ regExpCache[className] = re;
+ return re;
+ }
+
+ function hasClassName(element, className) {
+ if (!(element = $(element))) return;
+
+ var elementClassName = element.className;
+
+ if (elementClassName.length === 0) return false;
+ if (elementClassName === className) return true;
+
+ return getRegExpForClassName(className).test(elementClassName);
+ }
+
+ function addClassName(element, className) {
+ if (!(element = $(element))) return;
+
+ if (!hasClassName(element, className))
+ element.className += (element.className ? ' ' : '') + className;
+
+ return element;
+ }
+
+ function removeClassName(element, className) {
+ if (!(element = $(element))) return;
+
+ element.className = element.className.replace(
+ getRegExpForClassName(className), ' ').strip();
+
+ return element;
+ }
+
+ function toggleClassName(element, className, bool) {
+ if (!(element = $(element))) return;
+
+ if (Object.isUndefined(bool))
+ bool = !hasClassName(element, className);
+
+ var method = Element[bool ? 'addClassName' : 'removeClassName'];
+ return method(element, className);
+ }
+
+ var ATTRIBUTE_TRANSLATIONS = {};
+
+ var classProp = 'className', forProp = 'for';
+
+ DIV.setAttribute(classProp, 'x');
+ if (DIV.className !== 'x') {
+ DIV.setAttribute('class', 'x');
+ if (DIV.className === 'x')
+ classProp = 'class';
+ }
+
+ var LABEL = document.createElement('label');
+ LABEL.setAttribute(forProp, 'x');
+ if (LABEL.htmlFor !== 'x') {
+ LABEL.setAttribute('htmlFor', 'x');
+ if (LABEL.htmlFor === 'x')
+ forProp = 'htmlFor';
+ }
+ LABEL = null;
+
+ function _getAttr(element, attribute) {
+ return element.getAttribute(attribute);
+ }
+
+ function _getAttr2(element, attribute) {
+ return element.getAttribute(attribute, 2);
+ }
+
+ function _getAttrNode(element, attribute) {
+ var node = element.getAttributeNode(attribute);
+ return node ? node.value : '';
+ }
+
+ function _getFlag(element, attribute) {
+ return $(element).hasAttribute(attribute) ? attribute : null;
+ }
+
+ DIV.onclick = Prototype.emptyFunction;
+ var onclickValue = DIV.getAttribute('onclick');
+
+ var _getEv;
+
+ if (String(onclickValue).indexOf('{') > -1) {
+ _getEv = function(element, attribute) {
+ var value = element.getAttribute(attribute);
+ if (!value) return null;
+ value = value.toString();
+ value = value.split('{')[1];
+ value = value.split('}')[0];
+ return value.strip();
+ };
+ }
+ else if (onclickValue === '') {
+ _getEv = function(element, attribute) {
+ var value = element.getAttribute(attribute);
+ if (!value) return null;
+ return value.strip();
+ };
+ }
+
+ ATTRIBUTE_TRANSLATIONS.read = {
+ names: {
+ 'class': classProp,
+ 'className': classProp,
+ 'for': forProp,
+ 'htmlFor': forProp
+ },
+
+ values: {
+ style: function(element) {
+ return element.style.cssText.toLowerCase();
+ },
+ title: function(element) {
+ return element.title;
+ }
+ }
+ };
+
+ ATTRIBUTE_TRANSLATIONS.write = {
+ names: {
+ className: 'class',
+ htmlFor: 'for',
+ cellpadding: 'cellPadding',
+ cellspacing: 'cellSpacing'
+ },
+
+ values: {
+ checked: function(element, value) {
+ element.checked = !!value;
+ },
+
+ style: function(element, value) {
+ element.style.cssText = value ? value : '';
+ }
+ }
+ };
+
+ ATTRIBUTE_TRANSLATIONS.has = { names: {} };
+
+ Object.extend(ATTRIBUTE_TRANSLATIONS.write.names,
+ ATTRIBUTE_TRANSLATIONS.read.names);
+
+ var CAMEL_CASED_ATTRIBUTE_NAMES = $w('colSpan rowSpan vAlign dateTime ' +
+ 'accessKey tabIndex encType maxLength readOnly longDesc frameBorder');
+
+ for (var i = 0, attr; attr = CAMEL_CASED_ATTRIBUTE_NAMES[i]; i++) {
+ ATTRIBUTE_TRANSLATIONS.write.names[attr.toLowerCase()] = attr;
+ ATTRIBUTE_TRANSLATIONS.has.names[attr.toLowerCase()] = attr;
+ }
+
+ Object.extend(ATTRIBUTE_TRANSLATIONS.read.values, {
+ href: _getAttr2,
+ src: _getAttr2,
+ type: _getAttr,
+ action: _getAttrNode,
+ disabled: _getFlag,
+ checked: _getFlag,
+ readonly: _getFlag,
+ multiple: _getFlag,
+ onload: _getEv,
+ onunload: _getEv,
+ onclick: _getEv,
+ ondblclick: _getEv,
+ onmousedown: _getEv,
+ onmouseup: _getEv,
+ onmouseover: _getEv,
+ onmousemove: _getEv,
+ onmouseout: _getEv,
+ onfocus: _getEv,
+ onblur: _getEv,
+ onkeypress: _getEv,
+ onkeydown: _getEv,
+ onkeyup: _getEv,
+ onsubmit: _getEv,
+ onreset: _getEv,
+ onselect: _getEv,
+ onchange: _getEv
+ });
+
+
+ Object.extend(methods, {
+ identify: identify,
+ readAttribute: readAttribute,
+ writeAttribute: writeAttribute,
+ classNames: classNames,
+ hasClassName: hasClassName,
+ addClassName: addClassName,
+ removeClassName: removeClassName,
+ toggleClassName: toggleClassName
+ });
+
+
+ function normalizeStyleName(style) {
+ if (style === 'float' || style === 'styleFloat')
+ return 'cssFloat';
+ return style.camelize();
+ }
+
+ function normalizeStyleName_IE(style) {
+ if (style === 'float' || style === 'cssFloat')
+ return 'styleFloat';
+ return style.camelize();
+ }
+
+ function setStyle(element, styles) {
+ element = $(element);
+ var elementStyle = element.style, match;
+
+ if (Object.isString(styles)) {
+ elementStyle.cssText += ';' + styles;
+ if (styles.include('opacity')) {
+ var opacity = styles.match(/opacity:\s*(\d?\.?\d*)/)[1];
+ Element.setOpacity(element, opacity);
+ }
+ return element;
+ }
+
+ for (var property in styles) {
+ if (property === 'opacity') {
+ Element.setOpacity(element, styles[property]);
+ } else {
+ var value = styles[property];
+ if (property === 'float' || property === 'cssFloat') {
+ property = Object.isUndefined(elementStyle.styleFloat) ?
+ 'cssFloat' : 'styleFloat';
+ }
+ elementStyle[property] = value;
+ }
+ }
+
+ return element;
+ }
+
+
+ function getStyle(element, style) {
+ element = $(element);
+ style = normalizeStyleName(style);
+
+ var value = element.style[style];
+ if (!value || value === 'auto') {
+ var css = document.defaultView.getComputedStyle(element, null);
+ value = css ? css[style] : null;
+ }
+
+ if (style === 'opacity') return value ? parseFloat(value) : 1.0;
+ return value === 'auto' ? null : value;
+ }
+
+ function getStyle_Opera(element, style) {
+ switch (style) {
+ case 'height': case 'width':
+ if (!Element.visible(element)) return null;
+
+ var dim = parseInt(getStyle(element, style), 10);
+
+ if (dim !== element['offset' + style.capitalize()])
+ return dim + 'px';
+
+ return Element.measure(element, style);
+
+ default: return getStyle(element, style);
+ }
+ }
+
+ function getStyle_IE(element, style) {
+ element = $(element);
+ style = normalizeStyleName_IE(style);
+
+ var value = element.style[style];
+ if (!value && element.currentStyle) {
+ value = element.currentStyle[style];
+ }
+
+ if (style === 'opacity' && !STANDARD_CSS_OPACITY_SUPPORTED)
+ return getOpacity_IE(element);
+
+ if (value === 'auto') {
+ if ((style === 'width' || style === 'height') && Element.visible(element))
+ return Element.measure(element, style) + 'px';
+ return null;
+ }
+
+ return value;
+ }
+
+ function stripAlphaFromFilter_IE(filter) {
+ return (filter || '').replace(/alpha\([^\)]*\)/gi, '');
+ }
+
+ function hasLayout_IE(element) {
+ if (!element.currentStyle || !element.currentStyle.hasLayout)
+ element.style.zoom = 1;
+ return element;
+ }
+
+ var STANDARD_CSS_OPACITY_SUPPORTED = (function() {
+ DIV.style.cssText = "opacity:.55";
+ return /^0.55/.test(DIV.style.opacity);
+ })();
+
+ function setOpacity(element, value) {
+ element = $(element);
+ if (value == 1 || value === '') value = '';
+ else if (value < 0.00001) value = 0;
+ element.style.opacity = value;
+ return element;
+ }
+
+ function setOpacity_IE(element, value) {
+ if (STANDARD_CSS_OPACITY_SUPPORTED)
+ return setOpacity(element, value);
+
+ element = hasLayout_IE($(element));
+ var filter = Element.getStyle(element, 'filter'),
+ style = element.style;
+
+ if (value == 1 || value === '') {
+ filter = stripAlphaFromFilter_IE(filter);
+ if (filter) style.filter = filter;
+ else style.removeAttribute('filter');
+ return element;
+ }
+
+ if (value < 0.00001) value = 0;
+
+ style.filter = stripAlphaFromFilter_IE(filter) +
+ 'alpha(opacity=' + (value * 100) + ')';
+
+ return element;
+ }
+
+
+ function getOpacity(element) {
+ return Element.getStyle(element, 'opacity');
+ }
+
+ function getOpacity_IE(element) {
+ if (STANDARD_CSS_OPACITY_SUPPORTED)
+ return getOpacity(element);
+
+ var filter = Element.getStyle(element, 'filter');
+ if (filter.length === 0) return 1.0;
+ var match = (filter || '').match(/alpha\(opacity=(.*)\)/);
+ if (match && match[1]) return parseFloat(match[1]) / 100;
+ return 1.0;
+ }
+
+
+ Object.extend(methods, {
+ setStyle: setStyle,
+ getStyle: getStyle,
+ setOpacity: setOpacity,
+ getOpacity: getOpacity
+ });
+
+ if ('styleFloat' in DIV.style) {
+ methods.getStyle = getStyle_IE;
+ methods.setOpacity = setOpacity_IE;
+ methods.getOpacity = getOpacity_IE;
+ }
+
+ var UID = 0;
+
+ GLOBAL.Element.Storage = { UID: 1 };
+
+ function getUniqueElementID(element) {
+ if (element === window) return 0;
+
+ if (typeof element._prototypeUID === 'undefined')
+ element._prototypeUID = Element.Storage.UID++;
+ return element._prototypeUID;
+ }
+
+ function getUniqueElementID_IE(element) {
+ if (element === window) return 0;
+ if (element == document) return 1;
+ return element.uniqueID;
+ }
+
+ var HAS_UNIQUE_ID_PROPERTY = ('uniqueID' in DIV);
+ if (HAS_UNIQUE_ID_PROPERTY)
+ getUniqueElementID = getUniqueElementID_IE;
+
+ function getStorage(element) {
+ if (!(element = $(element))) return;
+
+ var uid = getUniqueElementID(element);
+
+ if (!Element.Storage[uid])
+ Element.Storage[uid] = $H();
+
+ return Element.Storage[uid];
+ }
+
+ function store(element, key, value) {
+ if (!(element = $(element))) return;
+ var storage = getStorage(element);
+ if (arguments.length === 2) {
+ storage.update(key);
+ } else {
+ storage.set(key, value);
+ }
+ return element;
+ }
+
+ function retrieve(element, key, defaultValue) {
+ if (!(element = $(element))) return;
+ var storage = getStorage(element), value = storage.get(key);
+
+ if (Object.isUndefined(value)) {
+ storage.set(key, defaultValue);
+ value = defaultValue;
+ }
+
+ return value;
+ }
+
+
+ Object.extend(methods, {
+ getStorage: getStorage,
+ store: store,
+ retrieve: retrieve
+ });
+
+
+ var Methods = {}, ByTag = Element.Methods.ByTag,
+ F = Prototype.BrowserFeatures;
+
+ if (!F.ElementExtensions && ('__proto__' in DIV)) {
+ GLOBAL.HTMLElement = {};
+ GLOBAL.HTMLElement.prototype = DIV['__proto__'];
+ F.ElementExtensions = true;
+ }
+
+ function checkElementPrototypeDeficiency(tagName) {
+ if (typeof window.Element === 'undefined') return false;
+ if (!HAS_EXTENDED_CREATE_ELEMENT_SYNTAX) return false;
+ var proto = window.Element.prototype;
+ if (proto) {
+ var id = '_' + (Math.random() + '').slice(2),
+ el = document.createElement(tagName);
+ proto[id] = 'x';
+ var isBuggy = (el[id] !== 'x');
+ delete proto[id];
+ el = null;
+ return isBuggy;
+ }
+
+ return false;
+ }
+
+ var HTMLOBJECTELEMENT_PROTOTYPE_BUGGY =
+ checkElementPrototypeDeficiency('object');
+
+ function extendElementWith(element, methods) {
+ for (var property in methods) {
+ var value = methods[property];
+ if (Object.isFunction(value) && !(property in element))
+ element[property] = value.methodize();
+ }
+ }
+
+ var EXTENDED = {};
+ function elementIsExtended(element) {
+ var uid = getUniqueElementID(element);
+ return (uid in EXTENDED);
+ }
+
+ function extend(element) {
+ if (!element || elementIsExtended(element)) return element;
+ if (element.nodeType !== Node.ELEMENT_NODE || element == window)
+ return element;
+
+ var methods = Object.clone(Methods),
+ tagName = element.tagName.toUpperCase();
+
+ if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);
+
+ extendElementWith(element, methods);
+ EXTENDED[getUniqueElementID(element)] = true;
+ return element;
+ }
+
+ function extend_IE8(element) {
+ if (!element || elementIsExtended(element)) return element;
+
+ var t = element.tagName;
+ if (t && (/^(?:object|applet|embed)$/i.test(t))) {
+ extendElementWith(element, Element.Methods);
+ extendElementWith(element, Element.Methods.Simulated);
+ extendElementWith(element, Element.Methods.ByTag[t.toUpperCase()]);
+ }
+
+ return element;
+ }
+
+ if (F.SpecificElementExtensions) {
+ extend = HTMLOBJECTELEMENT_PROTOTYPE_BUGGY ? extend_IE8 : Prototype.K;
+ }
+
+ function addMethodsToTagName(tagName, methods) {
+ tagName = tagName.toUpperCase();
+ if (!ByTag[tagName]) ByTag[tagName] = {};
+ Object.extend(ByTag[tagName], methods);
+ }
+
+ function mergeMethods(destination, methods, onlyIfAbsent) {
+ if (Object.isUndefined(onlyIfAbsent)) onlyIfAbsent = false;
+ for (var property in methods) {
+ var value = methods[property];
+ if (!Object.isFunction(value)) continue;
+ if (!onlyIfAbsent || !(property in destination))
+ destination[property] = value.methodize();
+ }
+ }
+
+ function findDOMClass(tagName) {
+ var klass;
+ var trans = {
+ "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
+ "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
+ "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
+ "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
+ "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
+ "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
+ "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
+ "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
+ "FrameSet", "IFRAME": "IFrame"
+ };
+ if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element';
+ if (window[klass]) return window[klass];
+ klass = 'HTML' + tagName + 'Element';
+ if (window[klass]) return window[klass];
+ klass = 'HTML' + tagName.capitalize() + 'Element';
+ if (window[klass]) return window[klass];
+
+ var element = document.createElement(tagName),
+ proto = element['__proto__'] || element.constructor.prototype;
+
+ element = null;
+ return proto;
+ }
+
+ function addMethods(methods) {
+ if (arguments.length === 0) addFormMethods();
+
+ if (arguments.length === 2) {
+ var tagName = methods;
+ methods = arguments[1];
+ }
+
+ if (!tagName) {
+ Object.extend(Element.Methods, methods || {});
+ } else {
+ if (Object.isArray(tagName)) {
+ for (var i = 0, tag; tag = tagName[i]; i++)
+ addMethodsToTagName(tag, methods);
+ } else {
+ addMethodsToTagName(tagName, methods);
+ }
+ }
+
+ var ELEMENT_PROTOTYPE = window.HTMLElement ? HTMLElement.prototype :
+ Element.prototype;
+
+ if (F.ElementExtensions) {
+ mergeMethods(ELEMENT_PROTOTYPE, Element.Methods);
+ mergeMethods(ELEMENT_PROTOTYPE, Element.Methods.Simulated, true);
+ }
+
+ if (F.SpecificElementExtensions) {
+ for (var tag in Element.Methods.ByTag) {
+ var klass = findDOMClass(tag);
+ if (Object.isUndefined(klass)) continue;
+ mergeMethods(klass.prototype, ByTag[tag]);
+ }
+ }
+
+ Object.extend(Element, Element.Methods);
+ Object.extend(Element, Element.Methods.Simulated);
+ delete Element.ByTag;
+ delete Element.Simulated;
+
+ Element.extend.refresh();
+
+ ELEMENT_CACHE = {};
+ }
+
+ Object.extend(GLOBAL.Element, {
+ extend: extend,
+ addMethods: addMethods
+ });
+
+ if (extend === Prototype.K) {
+ GLOBAL.Element.extend.refresh = Prototype.emptyFunction;
+ } else {
+ GLOBAL.Element.extend.refresh = function() {
+ if (Prototype.BrowserFeatures.ElementExtensions) return;
+ Object.extend(Methods, Element.Methods);
+ Object.extend(Methods, Element.Methods.Simulated);
+
+ EXTENDED = {};
+ };
+ }
+
+ function addFormMethods() {
+ Object.extend(Form, Form.Methods);
+ Object.extend(Form.Element, Form.Element.Methods);
+ Object.extend(Element.Methods.ByTag, {
+ "FORM": Object.clone(Form.Methods),
+ "INPUT": Object.clone(Form.Element.Methods),
+ "SELECT": Object.clone(Form.Element.Methods),
+ "TEXTAREA": Object.clone(Form.Element.Methods),
+ "BUTTON": Object.clone(Form.Element.Methods)
+ });
+ }
+
+ Element.addMethods(methods);
+
+ function destroyCache_IE() {
+ DIV = null;
+ ELEMENT_CACHE = null;
+ }
+
+ if (window.attachEvent)
+ window.attachEvent('onunload', destroyCache_IE);
+
+})(this);
+(function() {
+
+ function toDecimal(pctString) {
+ var match = pctString.match(/^(\d+)%?$/i);
+ if (!match) return null;
+ return (Number(match[1]) / 100);
+ }
+
+ function getRawStyle(element, style) {
+ element = $(element);
+
+ var value = element.style[style];
+ if (!value || value === 'auto') {
+ var css = document.defaultView.getComputedStyle(element, null);
+ value = css ? css[style] : null;
+ }
+
+ if (style === 'opacity') return value ? parseFloat(value) : 1.0;
+ return value === 'auto' ? null : value;
+ }
+
+ function getRawStyle_IE(element, style) {
+ var value = element.style[style];
+ if (!value && element.currentStyle) {
+ value = element.currentStyle[style];
+ }
+ return value;
+ }
+
+ function getContentWidth(element, context) {
+ var boxWidth = element.offsetWidth;
+
+ var bl = getPixelValue(element, 'borderLeftWidth', context) || 0;
+ var br = getPixelValue(element, 'borderRightWidth', context) || 0;
+ var pl = getPixelValue(element, 'paddingLeft', context) || 0;
+ var pr = getPixelValue(element, 'paddingRight', context) || 0;
+
+ return boxWidth - bl - br - pl - pr;
+ }
+
+ if ('currentStyle' in document.documentElement) {
+ getRawStyle = getRawStyle_IE;
+ }
+
+
+ function getPixelValue(value, property, context) {
+ var element = null;
+ if (Object.isElement(value)) {
+ element = value;
+ value = getRawStyle(element, property);
+ }
+
+ if (value === null || Object.isUndefined(value)) {
+ return null;
+ }
+
+ if ((/^(?:-)?\d+(\.\d+)?(px)?$/i).test(value)) {
+ return window.parseFloat(value);
+ }
+
+ var isPercentage = value.include('%'), isViewport = (context === document.viewport);
+
+ if (/\d/.test(value) && element && element.runtimeStyle && !(isPercentage && isViewport)) {
+ var style = element.style.left, rStyle = element.runtimeStyle.left;
+ element.runtimeStyle.left = element.currentStyle.left;
+ element.style.left = value || 0;
+ value = element.style.pixelLeft;
+ element.style.left = style;
+ element.runtimeStyle.left = rStyle;
+
+ return value;
+ }
+
+ if (element && isPercentage) {
+ context = context || element.parentNode;
+ var decimal = toDecimal(value), whole = null;
+
+ var isHorizontal = property.include('left') || property.include('right') ||
+ property.include('width');
+
+ var isVertical = property.include('top') || property.include('bottom') ||
+ property.include('height');
+
+ if (context === document.viewport) {
+ if (isHorizontal) {
+ whole = document.viewport.getWidth();
+ } else if (isVertical) {
+ whole = document.viewport.getHeight();
+ }
+ } else {
+ if (isHorizontal) {
+ whole = $(context).measure('width');
+ } else if (isVertical) {
+ whole = $(context).measure('height');
+ }
+ }
+
+ return (whole === null) ? 0 : whole * decimal;
+ }
+
+ return 0;
+ }
+
+ function toCSSPixels(number) {
+ if (Object.isString(number) && number.endsWith('px'))
+ return number;
+ return number + 'px';
+ }
+
+ function isDisplayed(element) {
+ while (element && element.parentNode) {
+ var display = element.getStyle('display');
+ if (display === 'none') {
+ return false;
+ }
+ element = $(element.parentNode);
+ }
+ return true;
+ }
+
+ var hasLayout = Prototype.K;
+ if ('currentStyle' in document.documentElement) {
+ hasLayout = function(element) {
+ if (!element.currentStyle.hasLayout) {
+ element.style.zoom = 1;
+ }
+ return element;
+ };
+ }
+
+ function cssNameFor(key) {
+ if (key.include('border')) key = key + '-width';
+ return key.camelize();
+ }
+
+ Element.Layout = Class.create(Hash, {
+ initialize: function($super, element, preCompute) {
+ $super();
+ this.element = $(element);
+
+ Element.Layout.PROPERTIES.each( function(property) {
+ this._set(property, null);
+ }, this);
+
+ if (preCompute) {
+ this._preComputing = true;
+ this._begin();
+ Element.Layout.PROPERTIES.each( this._compute, this );
+ this._end();
+ this._preComputing = false;
+ }
+ },
+
+ _set: function(property, value) {
+ return Hash.prototype.set.call(this, property, value);
+ },
+
+ set: function(property, value) {
+ throw "Properties of Element.Layout are read-only.";
+ },
+
+ get: function($super, property) {
+ var value = $super(property);
+ return value === null ? this._compute(property) : value;
+ },
+
+ _begin: function() {
+ if (this._isPrepared()) return;
+
+ var element = this.element;
+ if (isDisplayed(element)) {
+ this._setPrepared(true);
+ return;
+ }
+
+
+ var originalStyles = {
+ position: element.style.position || '',
+ width: element.style.width || '',
+ visibility: element.style.visibility || '',
+ display: element.style.display || ''
+ };
+
+ element.store('prototype_original_styles', originalStyles);
+
+ var position = getRawStyle(element, 'position'), width = element.offsetWidth;
+
+ if (width === 0 || width === null) {
+ element.style.display = 'block';
+ width = element.offsetWidth;
+ }
+
+ var context = (position === 'fixed') ? document.viewport :
+ element.parentNode;
+
+ var tempStyles = {
+ visibility: 'hidden',
+ display: 'block'
+ };
+
+ if (position !== 'fixed') tempStyles.position = 'absolute';
+
+ element.setStyle(tempStyles);
+
+ var positionedWidth = element.offsetWidth, newWidth;
+ if (width && (positionedWidth === width)) {
+ newWidth = getContentWidth(element, context);
+ } else if (position === 'absolute' || position === 'fixed') {
+ newWidth = getContentWidth(element, context);
+ } else {
+ var parent = element.parentNode, pLayout = $(parent).getLayout();
+
+ newWidth = pLayout.get('width') -
+ this.get('margin-left') -
+ this.get('border-left') -
+ this.get('padding-left') -
+ this.get('padding-right') -
+ this.get('border-right') -
+ this.get('margin-right');
+ }
+
+ element.setStyle({ width: newWidth + 'px' });
+
+ this._setPrepared(true);
+ },
+
+ _end: function() {
+ var element = this.element;
+ var originalStyles = element.retrieve('prototype_original_styles');
+ element.store('prototype_original_styles', null);
+ element.setStyle(originalStyles);
+ this._setPrepared(false);
+ },
+
+ _compute: function(property) {
+ var COMPUTATIONS = Element.Layout.COMPUTATIONS;
+ if (!(property in COMPUTATIONS)) {
+ throw "Property not found.";
+ }
+
+ return this._set(property, COMPUTATIONS[property].call(this, this.element));
+ },
+
+ _isPrepared: function() {
+ return this.element.retrieve('prototype_element_layout_prepared', false);
+ },
+
+ _setPrepared: function(bool) {
+ return this.element.store('prototype_element_layout_prepared', bool);
+ },
+
+ toObject: function() {
+ var args = $A(arguments);
+ var keys = (args.length === 0) ? Element.Layout.PROPERTIES :
+ args.join(' ').split(' ');
+ var obj = {};
+ keys.each( function(key) {
+ if (!Element.Layout.PROPERTIES.include(key)) return;
+ var value = this.get(key);
+ if (value != null) obj[key] = value;
+ }, this);
+ return obj;
+ },
+
+ toHash: function() {
+ var obj = this.toObject.apply(this, arguments);
+ return new Hash(obj);
+ },
+
+ toCSS: function() {
+ var args = $A(arguments);
+ var keys = (args.length === 0) ? Element.Layout.PROPERTIES :
+ args.join(' ').split(' ');
+ var css = {};
+
+ keys.each( function(key) {
+ if (!Element.Layout.PROPERTIES.include(key)) return;
+ if (Element.Layout.COMPOSITE_PROPERTIES.include(key)) return;
+
+ var value = this.get(key);
+ if (value != null) css[cssNameFor(key)] = value + 'px';
+ }, this);
+ return css;
+ },
+
+ inspect: function() {
+ return "#<Element.Layout>";
+ }
+ });
+
+ Object.extend(Element.Layout, {
+ PROPERTIES: $w('height width top left right bottom border-left border-right border-top border-bottom padding-left padding-right padding-top padding-bottom margin-top margin-bottom margin-left margin-right padding-box-width padding-box-height border-box-width border-box-height margin-box-width margin-box-height'),
+
+ COMPOSITE_PROPERTIES: $w('padding-box-width padding-box-height margin-box-width margin-box-height border-box-width border-box-height'),
+
+ COMPUTATIONS: {
+ 'height': function(element) {
+ if (!this._preComputing) this._begin();
+
+ var bHeight = this.get('border-box-height');
+ if (bHeight <= 0) {
+ if (!this._preComputing) this._end();
+ return 0;
+ }
+
+ var bTop = this.get('border-top'),
+ bBottom = this.get('border-bottom');
+
+ var pTop = this.get('padding-top'),
+ pBottom = this.get('padding-bottom');
+
+ if (!this._preComputing) this._end();
+
+ return bHeight - bTop - bBottom - pTop - pBottom;
+ },
+
+ 'width': function(element) {
+ if (!this._preComputing) this._begin();
+
+ var bWidth = this.get('border-box-width');
+ if (bWidth <= 0) {
+ if (!this._preComputing) this._end();
+ return 0;
+ }
+
+ var bLeft = this.get('border-left'),
+ bRight = this.get('border-right');
+
+ var pLeft = this.get('padding-left'),
+ pRight = this.get('padding-right');
+
+ if (!this._preComputing) this._end();
+ return bWidth - bLeft - bRight - pLeft - pRight;
+ },
+
+ 'padding-box-height': function(element) {
+ var height = this.get('height'),
+ pTop = this.get('padding-top'),
+ pBottom = this.get('padding-bottom');
+
+ return height + pTop + pBottom;
+ },
+
+ 'padding-box-width': function(element) {
+ var width = this.get('width'),
+ pLeft = this.get('padding-left'),
+ pRight = this.get('padding-right');
+
+ return width + pLeft + pRight;
+ },
+
+ 'border-box-height': function(element) {
+ if (!this._preComputing) this._begin();
+ var height = element.offsetHeight;
+ if (!this._preComputing) this._end();
+ return height;
+ },
+
+ 'border-box-width': function(element) {
+ if (!this._preComputing) this._begin();
+ var width = element.offsetWidth;
+ if (!this._preComputing) this._end();
+ return width;
+ },
+
+ 'margin-box-height': function(element) {
+ var bHeight = this.get('border-box-height'),
+ mTop = this.get('margin-top'),
+ mBottom = this.get('margin-bottom');
+
+ if (bHeight <= 0) return 0;
+
+ return bHeight + mTop + mBottom;
+ },
+
+ 'margin-box-width': function(element) {
+ var bWidth = this.get('border-box-width'),
+ mLeft = this.get('margin-left'),
+ mRight = this.get('margin-right');
+
+ if (bWidth <= 0) return 0;
+
+ return bWidth + mLeft + mRight;
+ },
+
+ 'top': function(element) {
+ var offset = element.positionedOffset();
+ return offset.top;
+ },
+
+ 'bottom': function(element) {
+ var offset = element.positionedOffset(),
+ parent = element.getOffsetParent(),
+ pHeight = parent.measure('height');
+
+ var mHeight = this.get('border-box-height');
+
+ return pHeight - mHeight - offset.top;
+ },
+
+ 'left': function(element) {
+ var offset = element.positionedOffset();
+ return offset.left;
+ },
+
+ 'right': function(element) {
+ var offset = element.positionedOffset(),
+ parent = element.getOffsetParent(),
+ pWidth = parent.measure('width');
+
+ var mWidth = this.get('border-box-width');
+
+ return pWidth - mWidth - offset.left;
+ },
+
+ 'padding-top': function(element) {
+ return getPixelValue(element, 'paddingTop');
+ },
+
+ 'padding-bottom': function(element) {
+ return getPixelValue(element, 'paddingBottom');
+ },
+
+ 'padding-left': function(element) {
+ return getPixelValue(element, 'paddingLeft');
+ },
+
+ 'padding-right': function(element) {
+ return getPixelValue(element, 'paddingRight');
+ },
+
+ 'border-top': function(element) {
+ return getPixelValue(element, 'borderTopWidth');
+ },
+
+ 'border-bottom': function(element) {
+ return getPixelValue(element, 'borderBottomWidth');
+ },
+
+ 'border-left': function(element) {
+ return getPixelValue(element, 'borderLeftWidth');
+ },
+
+ 'border-right': function(element) {
+ return getPixelValue(element, 'borderRightWidth');
+ },
+
+ 'margin-top': function(element) {
+ return getPixelValue(element, 'marginTop');
+ },
+
+ 'margin-bottom': function(element) {
+ return getPixelValue(element, 'marginBottom');
+ },
+
+ 'margin-left': function(element) {
+ return getPixelValue(element, 'marginLeft');
+ },
+
+ 'margin-right': function(element) {
+ return getPixelValue(element, 'marginRight');
+ }
+ }
+ });
+
+ if ('getBoundingClientRect' in document.documentElement) {
+ Object.extend(Element.Layout.COMPUTATIONS, {
+ 'right': function(element) {
+ var parent = hasLayout(element.getOffsetParent());
+ var rect = element.getBoundingClientRect(),
+ pRect = parent.getBoundingClientRect();
+
+ return (pRect.right - rect.right).round();
+ },
+
+ 'bottom': function(element) {
+ var parent = hasLayout(element.getOffsetParent());
+ var rect = element.getBoundingClientRect(),
+ pRect = parent.getBoundingClientRect();
+
+ return (pRect.bottom - rect.bottom).round();
+ }
+ });
+ }
+
+ Element.Offset = Class.create({
+ initialize: function(left, top) {
+ this.left = left.round();
+ this.top = top.round();
+
+ this[0] = this.left;
+ this[1] = this.top;
+ },
+
+ relativeTo: function(offset) {
+ return new Element.Offset(
+ this.left - offset.left,
+ this.top - offset.top
+ );
+ },
+
+ inspect: function() {
+ return "#<Element.Offset left: #{left} top: #{top}>".interpolate(this);
+ },
+
+ toString: function() {
+ return "[#{left}, #{top}]".interpolate(this);
+ },
+
+ toArray: function() {
+ return [this.left, this.top];
+ }
+ });
+
+ function getLayout(element, preCompute) {
+ return new Element.Layout(element, preCompute);
+ }
+
+ function measure(element, property) {
+ return $(element).getLayout().get(property);
+ }
+
+ function getHeight(element) {
+ return Element.getDimensions(element).height;
+ }
+
+ function getWidth(element) {
+ return Element.getDimensions(element).width;
+ }
+
+ function getDimensions(element) {
+ element = $(element);
+ var display = Element.getStyle(element, 'display');
+
+ if (display && display !== 'none') {
+ return { width: element.offsetWidth, height: element.offsetHeight };
+ }
+
+ var style = element.style;
+ var originalStyles = {
+ visibility: style.visibility,
+ position: style.position,
+ display: style.display
+ };
+
+ var newStyles = {
+ visibility: 'hidden',
+ display: 'block'
+ };
+
+ if (originalStyles.position !== 'fixed')
+ newStyles.position = 'absolute';
+
+ Element.setStyle(element, newStyles);
+
+ var dimensions = {
+ width: element.offsetWidth,
+ height: element.offsetHeight
+ };
+
+ Element.setStyle(element, originalStyles);
+
+ return dimensions;
+ }
+
+ function getOffsetParent(element) {
+ element = $(element);
+
+ if (isDocument(element) || isDetached(element) || isBody(element) || isHtml(element))
+ return $(document.body);
+
+ var isInline = (Element.getStyle(element, 'display') === 'inline');
+ if (!isInline && element.offsetParent) return $(element.offsetParent);
+
+ while ((element = element.parentNode) && element !== document.body) {
+ if (Element.getStyle(element, 'position') !== 'static') {
+ return isHtml(element) ? $(document.body) : $(element);
+ }
+ }
+
+ return $(document.body);
+ }
+
+
+ function cumulativeOffset(element) {
+ element = $(element);
+ var valueT = 0, valueL = 0;
+ if (element.parentNode) {
+ do {
+ valueT += element.offsetTop || 0;
+ valueL += element.offsetLeft || 0;
+ element = element.offsetParent;
+ } while (element);
+ }
+ return new Element.Offset(valueL, valueT);
+ }
+
+ function positionedOffset(element) {
+ element = $(element);
+
+ var layout = element.getLayout();
+
+ var valueT = 0, valueL = 0;
+ do {
+ valueT += element.offsetTop || 0;
+ valueL += element.offsetLeft || 0;
+ element = element.offsetParent;
+ if (element) {
+ if (isBody(element)) break;
+ var p = Element.getStyle(element, 'position');
+ if (p !== 'static') break;
+ }
+ } while (element);
+
+ valueL -= layout.get('margin-top');
+ valueT -= layout.get('margin-left');
+
+ return new Element.Offset(valueL, valueT);
+ }
+
+ function cumulativeScrollOffset(element) {
+ var valueT = 0, valueL = 0;
+ do {
+ if (element === document.body) {
+ var bodyScrollNode = document.documentElement || document.body.parentNode || document.body;
+ valueT += !Object.isUndefined(window.pageYOffset) ? window.pageYOffset : bodyScrollNode.scrollTop || 0;
+ valueL += !Object.isUndefined(window.pageXOffset) ? window.pageXOffset : bodyScrollNode.scrollLeft || 0;
+ break;
+ } else {
+ valueT += element.scrollTop || 0;
+ valueL += element.scrollLeft || 0;
+ element = element.parentNode;
+ }
+ } while (element);
+ return new Element.Offset(valueL, valueT);
+ }
+
+ function viewportOffset(forElement) {
+ var valueT = 0, valueL = 0, docBody = document.body;
+
+ forElement = $(forElement);
+ var element = forElement;
+ do {
+ valueT += element.offsetTop || 0;
+ valueL += element.offsetLeft || 0;
+ if (element.offsetParent == docBody &&
+ Element.getStyle(element, 'position') == 'absolute') break;
+ } while (element = element.offsetParent);
+
+ element = forElement;
+ do {
+ if (element != docBody) {
+ valueT -= element.scrollTop || 0;
+ valueL -= element.scrollLeft || 0;
+ }
+ } while (element = element.parentNode);
+ return new Element.Offset(valueL, valueT);
+ }
+
+ function absolutize(element) {
+ element = $(element);
+
+ if (Element.getStyle(element, 'position') === 'absolute') {
+ return element;
+ }
+
+ var offsetParent = getOffsetParent(element);
+ var eOffset = element.viewportOffset(),
+ pOffset = offsetParent.viewportOffset();
+
+ var offset = eOffset.relativeTo(pOffset);
+ var layout = element.getLayout();
+
+ element.store('prototype_absolutize_original_styles', {
+ position: element.getStyle('position'),
+ left: element.getStyle('left'),
+ top: element.getStyle('top'),
+ width: element.getStyle('width'),
+ height: element.getStyle('height')
+ });
+
+ element.setStyle({
+ position: 'absolute',
+ top: offset.top + 'px',
+ left: offset.left + 'px',
+ width: layout.get('width') + 'px',
+ height: layout.get('height') + 'px'
+ });
+
+ return element;
+ }
+
+ function relativize(element) {
+ element = $(element);
+ if (Element.getStyle(element, 'position') === 'relative') {
+ return element;
+ }
+
+ var originalStyles =
+ element.retrieve('prototype_absolutize_original_styles');
+
+ if (originalStyles) element.setStyle(originalStyles);
+ return element;
+ }
+
+
+ function scrollTo(element) {
+ element = $(element);
+ var pos = Element.cumulativeOffset(element);
+ window.scrollTo(pos.left, pos.top);
+ return element;
+ }
+
+
+ function makePositioned(element) {
+ element = $(element);
+ var position = Element.getStyle(element, 'position'), styles = {};
+ if (position === 'static' || !position) {
+ styles.position = 'relative';
+ if (Prototype.Browser.Opera) {
+ styles.top = 0;
+ styles.left = 0;
+ }
+ Element.setStyle(element, styles);
+ Element.store(element, 'prototype_made_positioned', true);
+ }
+ return element;
+ }
+
+ function undoPositioned(element) {
+ element = $(element);
+ var storage = Element.getStorage(element),
+ madePositioned = storage.get('prototype_made_positioned');
+
+ if (madePositioned) {
+ storage.unset('prototype_made_positioned');
+ Element.setStyle(element, {
+ position: '',
+ top: '',
+ bottom: '',
+ left: '',
+ right: ''
+ });
+ }
+ return element;
+ }
+
+ function makeClipping(element) {
+ element = $(element);
+
+ var storage = Element.getStorage(element),
+ madeClipping = storage.get('prototype_made_clipping');
+
+ if (Object.isUndefined(madeClipping)) {
+ var overflow = Element.getStyle(element, 'overflow');
+ storage.set('prototype_made_clipping', overflow);
+ if (overflow !== 'hidden')
+ element.style.overflow = 'hidden';
+ }
+
+ return element;
+ }
+
+ function undoClipping(element) {
+ element = $(element);
+ var storage = Element.getStorage(element),
+ overflow = storage.get('prototype_made_clipping');
+
+ if (!Object.isUndefined(overflow)) {
+ storage.unset('prototype_made_clipping');
+ element.style.overflow = overflow || '';
+ }
+
+ return element;
+ }
+
+ function clonePosition(element, source, options) {
+ options = Object.extend({
+ setLeft: true,
+ setTop: true,
+ setWidth: true,
+ setHeight: true,
+ offsetTop: 0,
+ offsetLeft: 0
+ }, options || {});
+
+ source = $(source);
+ element = $(element);
+ var p, delta, layout, styles = {};
+
+ if (options.setLeft || options.setTop) {
+ p = Element.viewportOffset(source);
+ delta = [0, 0];
+ if (Element.getStyle(element, 'position') === 'absolute') {
+ var parent = Element.getOffsetParent(element);
+ if (parent !== document.body) delta = Element.viewportOffset(parent);
+ }
+ }
+
+ if (options.setWidth || options.setHeight) {
+ layout = Element.getLayout(source);
+ }
+
+ if (options.setLeft)
+ styles.left = (p[0] - delta[0] + options.offsetLeft) + 'px';
+ if (options.setTop)
+ styles.top = (p[1] - delta[1] + options.offsetTop) + 'px';
+
+ if (options.setWidth)
+ styles.width = layout.get('border-box-width') + 'px';
+ if (options.setHeight)
+ styles.height = layout.get('border-box-height') + 'px';
+
+ return Element.setStyle(element, styles);
+ }
+
+
+ if (Prototype.Browser.IE) {
+ getOffsetParent = getOffsetParent.wrap(
+ function(proceed, element) {
+ element = $(element);
+
+ if (isDocument(element) || isDetached(element) || isBody(element) || isHtml(element))
+ return $(document.body);
+
+ var position = element.getStyle('position');
+ if (position !== 'static') return proceed(element);
+
+ element.setStyle({ position: 'relative' });
+ var value = proceed(element);
+ element.setStyle({ position: position });
+ return value;
+ }
+ );
+
+ positionedOffset = positionedOffset.wrap(function(proceed, element) {
+ element = $(element);
+ if (!element.parentNode) return new Element.Offset(0, 0);
+ var position = element.getStyle('position');
+ if (position !== 'static') return proceed(element);
+
+ var offsetParent = element.getOffsetParent();
+ if (offsetParent && offsetParent.getStyle('position') === 'fixed')
+ hasLayout(offsetParent);
+
+ element.setStyle({ position: 'relative' });
+ var value = proceed(element);
+ element.setStyle({ position: position });
+ return value;
+ });
+ } else if (Prototype.Browser.Webkit) {
+ cumulativeOffset = function(element) {
+ element = $(element);
+ var valueT = 0, valueL = 0;
+ do {
+ valueT += element.offsetTop || 0;
+ valueL += element.offsetLeft || 0;
+ if (element.offsetParent == document.body) {
+ if (Element.getStyle(element, 'position') == 'absolute') break;
+ }
+
+ element = element.offsetParent;
+ } while (element);
+
+ return new Element.Offset(valueL, valueT);
+ };
+ }
+
+
+ Element.addMethods({
+ getLayout: getLayout,
+ measure: measure,
+ getWidth: getWidth,
+ getHeight: getHeight,
+ getDimensions: getDimensions,
+ getOffsetParent: getOffsetParent,
+ cumulativeOffset: cumulativeOffset,
+ positionedOffset: positionedOffset,
+ cumulativeScrollOffset: cumulativeScrollOffset,
+ viewportOffset: viewportOffset,
+ absolutize: absolutize,
+ relativize: relativize,
+ scrollTo: scrollTo,
+ makePositioned: makePositioned,
+ undoPositioned: undoPositioned,
+ makeClipping: makeClipping,
+ undoClipping: undoClipping,
+ clonePosition: clonePosition
+ });
+
+ function isBody(element) {
+ return element.nodeName.toUpperCase() === 'BODY';
+ }
+
+ function isHtml(element) {
+ return element.nodeName.toUpperCase() === 'HTML';
+ }
+
+ function isDocument(element) {
+ return element.nodeType === Node.DOCUMENT_NODE;
+ }
+
+ function isDetached(element) {
+ return element !== document.body &&
+ !Element.descendantOf(element, document.body);
+ }
+
+ if ('getBoundingClientRect' in document.documentElement) {
+ Element.addMethods({
+ viewportOffset: function(element) {
+ element = $(element);
+ if (isDetached(element)) return new Element.Offset(0, 0);
+
+ var rect = element.getBoundingClientRect(),
+ docEl = document.documentElement;
+ return new Element.Offset(rect.left - docEl.clientLeft,
+ rect.top - docEl.clientTop);
+ }
+ });
+ }
+
+
+})();
+
+(function() {
+
+ var IS_OLD_OPERA = Prototype.Browser.Opera &&
+ (window.parseFloat(window.opera.version()) < 9.5);
+ var ROOT = null;
+ function getRootElement() {
+ if (ROOT) return ROOT;
+ ROOT = IS_OLD_OPERA ? document.body : document.documentElement;
+ return ROOT;
+ }
+
+ function getDimensions() {
+ return { width: this.getWidth(), height: this.getHeight() };
+ }
+
+ function getWidth() {
+ return getRootElement().clientWidth;
+ }
+
+ function getHeight() {
+ return getRootElement().clientHeight;
+ }
+
+ function getScrollOffsets() {
+ var x = window.pageXOffset || document.documentElement.scrollLeft ||
+ document.body.scrollLeft;
+ var y = window.pageYOffset || document.documentElement.scrollTop ||
+ document.body.scrollTop;
+
+ return new Element.Offset(x, y);
+ }
+
+ document.viewport = {
+ getDimensions: getDimensions,
+ getWidth: getWidth,
+ getHeight: getHeight,
+ getScrollOffsets: getScrollOffsets
+ };
+
+})();
+window.$$ = function() {
+ var expression = $A(arguments).join(', ');
+ return Prototype.Selector.select(expression, document);
+};
+
+Prototype.Selector = (function() {
+
+ function select() {
+ throw new Error('Method "Prototype.Selector.select" must be defined.');
+ }
+
+ function match() {
+ throw new Error('Method "Prototype.Selector.match" must be defined.');
+ }
+
+ function find(elements, expression, index) {
+ index = index || 0;
+ var match = Prototype.Selector.match, length = elements.length, matchIndex = 0, i;
+
+ for (i = 0; i < length; i++) {
+ if (match(elements[i], expression) && index == matchIndex++) {
+ return Element.extend(elements[i]);
+ }
+ }
+ }
+
+ function extendElements(elements) {
+ for (var i = 0, length = elements.length; i < length; i++) {
+ Element.extend(elements[i]);
+ }
+ return elements;
+ }
+
+
+ var K = Prototype.K;
+
+ return {
+ select: select,
+ match: match,
+ find: find,
+ extendElements: (Element.extend === K) ? K : extendElements,
+ extendElement: Element.extend
+ };
+})();
+Prototype._original_property = window.Sizzle;
+/*!
+ * Sizzle CSS Selector Engine v@VERSION
+ * http://sizzlejs.com/
+ *
+ * Copyright 2013 jQuery Foundation, Inc. and other contributors
+ * Released under the MIT license
+ * http://jquery.org/license
+ *
+ * Date: @DATE
+ */
+(function( window ) {
+
+var i,
+ support,
+ Expr,
+ getText,
+ isXML,
+ compile,
+ select,
+ outermostContext,
+ sortInput,
+ hasDuplicate,
+
+ setDocument,
+ document,
+ docElem,
+ documentIsHTML,
+ rbuggyQSA,
+ rbuggyMatches,
+ matches,
+ contains,
+
+ expando = "sizzle" + -(new Date()),
+ preferredDoc = window.document,
+ dirruns = 0,
+ done = 0,
+ classCache = createCache(),
+ tokenCache = createCache(),
+ compilerCache = createCache(),
+ sortOrder = function( a, b ) {
+ if ( a === b ) {
+ hasDuplicate = true;
+ }
+ return 0;
+ },
+
+ strundefined = typeof undefined,
+ MAX_NEGATIVE = 1 << 31,
+
+ hasOwn = ({}).hasOwnProperty,
+ arr = [],
+ pop = arr.pop,
+ push_native = arr.push,
+ push = arr.push,
+ slice = arr.slice,
+ indexOf = arr.indexOf || function( elem ) {
+ var i = 0,
+ len = this.length;
+ for ( ; i < len; i++ ) {
+ if ( this[i] === elem ) {
+ return i;
+ }
+ }
+ return -1;
+ },
+
+ booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
+
+
+ whitespace = "[\\x20\\t\\r\\n\\f]",
+ characterEncoding = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",
+
+ identifier = characterEncoding.replace( "w", "w#" ),
+
+ attributes = "\\[" + whitespace + "*(" + characterEncoding + ")" + whitespace +
+ "*(?:([*^$|!~]?=)" + whitespace + "*(?:(['\"])((?:\\\\.|[^\\\\])*?)\\3|(" + identifier + ")|)|)" + whitespace + "*\\]",
+
+ pseudos = ":(" + characterEncoding + ")(?:\\(((['\"])((?:\\\\.|[^\\\\])*?)\\3|((?:\\\\.|[^\\\\()[\\]]|" + attributes.replace( 3, 8 ) + ")*)|.*)\\)|)",
+
+ rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
+
+ rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
+ rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
+
+ rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ),
+
+ rpseudo = new RegExp( pseudos ),
+ ridentifier = new RegExp( "^" + identifier + "$" ),
+
+ matchExpr = {
+ "ID": new RegExp( "^#(" + characterEncoding + ")" ),
+ "CLASS": new RegExp( "^\\.(" + characterEncoding + ")" ),
+ "TAG": new RegExp( "^(" + characterEncoding.replace( "w", "w*" ) + ")" ),
+ "ATTR": new RegExp( "^" + attributes ),
+ "PSEUDO": new RegExp( "^" + pseudos ),
+ "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
+ "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
+ "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
+ "bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
+ "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
+ whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
+ },
+
+ rinputs = /^(?:input|select|textarea|button)$/i,
+ rheader = /^h\d$/i,
+
+ rnative = /^[^{]+\{\s*\[native \w/,
+
+ rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
+
+ rsibling = /[+~]/,
+ rescape = /'|\\/g,
+
+ runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
+ funescape = function( _, escaped, escapedWhitespace ) {
+ var high = "0x" + escaped - 0x10000;
+ return high !== high || escapedWhitespace ?
+ escaped :
+ high < 0 ?
+ String.fromCharCode( high + 0x10000 ) :
+ String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
+ };
+
+try {
+ push.apply(
+ (arr = slice.call( preferredDoc.childNodes )),
+ preferredDoc.childNodes
+ );
+ arr[ preferredDoc.childNodes.length ].nodeType;
+} catch ( e ) {
+ push = { apply: arr.length ?
+
+ function( target, els ) {
+ push_native.apply( target, slice.call(els) );
+ } :
+
+ function( target, els ) {
+ var j = target.length,
+ i = 0;
+ while ( (target[j++] = els[i++]) ) {}
+ target.length = j - 1;
+ }
+ };
+}
+
+function Sizzle( selector, context, results, seed ) {
+ var match, elem, m, nodeType,
+ i, groups, old, nid, newContext, newSelector;
+
+ if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
+ setDocument( context );
+ }
+
+ context = context || document;
+ results = results || [];
+
+ if ( !selector || typeof selector !== "string" ) {
+ return results;
+ }
+
+ if ( (nodeType = context.nodeType) !== 1 && nodeType !== 9 ) {
+ return [];
+ }
+
+ if ( documentIsHTML && !seed ) {
+
+ if ( (match = rquickExpr.exec( selector )) ) {
+ if ( (m = match[1]) ) {
+ if ( nodeType === 9 ) {
+ elem = context.getElementById( m );
+ if ( elem && elem.parentNode ) {
+ if ( elem.id === m ) {
+ results.push( elem );
+ return results;
+ }
+ } else {
+ return results;
+ }
+ } else {
+ if ( context.ownerDocument && (elem = context.ownerDocument.getElementById( m )) &&
+ contains( context, elem ) && elem.id === m ) {
+ results.push( elem );
+ return results;
+ }
+ }
+
+ } else if ( match[2] ) {
+ push.apply( results, context.getElementsByTagName( selector ) );
+ return results;
+
+ } else if ( (m = match[3]) && support.getElementsByClassName && context.getElementsByClassName ) {
+ push.apply( results, context.getElementsByClassName( m ) );
+ return results;
+ }
+ }
+
+ if ( support.qsa && (!rbuggyQSA || !rbuggyQSA.test( selector )) ) {
+ nid = old = expando;
+ newContext = context;
+ newSelector = nodeType === 9 && selector;
+
+ if ( nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) {
+ groups = tokenize( selector );
+
+ if ( (old = context.getAttribute("id")) ) {
+ nid = old.replace( rescape, "\\$&" );
+ } else {
+ context.setAttribute( "id", nid );
+ }
+ nid = "[id='" + nid + "'] ";
+
+ i = groups.length;
+ while ( i-- ) {
+ groups[i] = nid + toSelector( groups[i] );
+ }
+ newContext = rsibling.test( selector ) && testContext( context.parentNode ) || context;
+ newSelector = groups.join(",");
+ }
+
+ if ( newSelector ) {
+ try {
+ push.apply( results,
+ newContext.querySelectorAll( newSelector )
+ );
+ return results;
+ } catch(qsaError) {
+ } finally {
+ if ( !old ) {
+ context.removeAttribute("id");
+ }
+ }
+ }
+ }
+ }
+
+ return select( selector.replace( rtrim, "$1" ), context, results, seed );
+}
+
+/**
+ * Create key-value caches of limited size
+ * @returns {Function(string, Object)} Returns the Object data after storing it on itself with
+ * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
+ * deleting the oldest entry
+ */
+function createCache() {
+ var keys = [];
+
+ function cache( key, value ) {
+ if ( keys.push( key + " " ) > Expr.cacheLength ) {
+ delete cache[ keys.shift() ];
+ }
+ return (cache[ key + " " ] = value);
+ }
+ return cache;
+}
+
+/**
+ * Mark a function for special use by Sizzle
+ * @param {Function} fn The function to mark
+ */
+function markFunction( fn ) {
+ fn[ expando ] = true;
+ return fn;
+}
+
+/**
+ * Support testing using an element
+ * @param {Function} fn Passed the created div and expects a boolean result
+ */
+function assert( fn ) {
+ var div = document.createElement("div");
+
+ try {
+ return !!fn( div );
+ } catch (e) {
+ return false;
+ } finally {
+ if ( div.parentNode ) {
+ div.parentNode.removeChild( div );
+ }
+ div = null;
+ }
+}
+
+/**
+ * Adds the same handler for all of the specified attrs
+ * @param {String} attrs Pipe-separated list of attributes
+ * @param {Function} handler The method that will be applied
+ */
+function addHandle( attrs, handler ) {
+ var arr = attrs.split("|"),
+ i = attrs.length;
+
+ while ( i-- ) {
+ Expr.attrHandle[ arr[i] ] = handler;
+ }
+}
+
+/**
+ * Checks document order of two siblings
+ * @param {Element} a
+ * @param {Element} b
+ * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
+ */
+function siblingCheck( a, b ) {
+ var cur = b && a,
+ diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
+ ( ~b.sourceIndex || MAX_NEGATIVE ) -
+ ( ~a.sourceIndex || MAX_NEGATIVE );
+
+ if ( diff ) {
+ return diff;
+ }
+
+ if ( cur ) {
+ while ( (cur = cur.nextSibling) ) {
+ if ( cur === b ) {
+ return -1;
+ }
+ }
+ }
+
+ return a ? 1 : -1;
+}
+
+/**
+ * Returns a function to use in pseudos for input types
+ * @param {String} type
+ */
+function createInputPseudo( type ) {
+ return function( elem ) {
+ var name = elem.nodeName.toLowerCase();
+ return name === "input" && elem.type === type;
+ };
+}
+
+/**
+ * Returns a function to use in pseudos for buttons
+ * @param {String} type
+ */
+function createButtonPseudo( type ) {
+ return function( elem ) {
+ var name = elem.nodeName.toLowerCase();
+ return (name === "input" || name === "button") && elem.type === type;
+ };
+}
+
+/**
+ * Returns a function to use in pseudos for positionals
+ * @param {Function} fn
+ */
+function createPositionalPseudo( fn ) {
+ return markFunction(function( argument ) {
+ argument = +argument;
+ return markFunction(function( seed, matches ) {
+ var j,
+ matchIndexes = fn( [], seed.length, argument ),
+ i = matchIndexes.length;
+
+ while ( i-- ) {
+ if ( seed[ (j = matchIndexes[i]) ] ) {
+ seed[j] = !(matches[j] = seed[j]);
+ }
+ }
+ });
+ });
+}
+
+/**
+ * Checks a node for validity as a Sizzle context
+ * @param {Element|Object=} context
+ * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
+ */
+function testContext( context ) {
+ return context && typeof context.getElementsByTagName !== strundefined && context;
+}
+
+support = Sizzle.support = {};
+
+/**
+ * Detects XML nodes
+ * @param {Element|Object} elem An element or a document
+ * @returns {Boolean} True iff elem is a non-HTML XML node
+ */
+isXML = Sizzle.isXML = function( elem ) {
+ var documentElement = elem && (elem.ownerDocument || elem).documentElement;
+ return documentElement ? documentElement.nodeName !== "HTML" : false;
+};
+
+/**
+ * Sets document-related variables once based on the current document
+ * @param {Element|Object} [doc] An element or document object to use to set the document
+ * @returns {Object} Returns the current document
+ */
+setDocument = Sizzle.setDocument = function( node ) {
+ var hasCompare,
+ doc = node ? node.ownerDocument || node : preferredDoc,
+ parent = doc.defaultView;
+
+ if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
+ return document;
+ }
+
+ document = doc;
+ docElem = doc.documentElement;
+
+ documentIsHTML = !isXML( doc );
+
+ if ( parent && parent !== parent.top ) {
+ if ( parent.addEventListener ) {
+ parent.addEventListener( "unload", function() {
+ setDocument();
+ }, false );
+ } else if ( parent.attachEvent ) {
+ parent.attachEvent( "onunload", function() {
+ setDocument();
+ });
+ }
+ }
+
+ /* Attributes
+ ---------------------------------------------------------------------- */
+
+ support.attributes = assert(function( div ) {
+ div.className = "i";
+ return !div.getAttribute("className");
+ });
+
+ /* getElement(s)By*
+ ---------------------------------------------------------------------- */
+
+ support.getElementsByTagName = assert(function( div ) {
+ div.appendChild( doc.createComment("") );
+ return !div.getElementsByTagName("*").length;
+ });
+
+ support.getElementsByClassName = rnative.test( doc.getElementsByClassName ) && assert(function( div ) {
+ div.innerHTML = "<div class='a'></div><div class='a i'></div>";
+
+ div.firstChild.className = "i";
+ return div.getElementsByClassName("i").length === 2;
+ });
+
+ support.getById = assert(function( div ) {
+ docElem.appendChild( div ).id = expando;
+ return !doc.getElementsByName || !doc.getElementsByName( expando ).length;
+ });
+
+ if ( support.getById ) {
+ Expr.find["ID"] = function( id, context ) {
+ if ( typeof context.getElementById !== strundefined && documentIsHTML ) {
+ var m = context.getElementById( id );
+ return m && m.parentNode ? [m] : [];
+ }
+ };
+ Expr.filter["ID"] = function( id ) {
+ var attrId = id.replace( runescape, funescape );
+ return function( elem ) {
+ return elem.getAttribute("id") === attrId;
+ };
+ };
+ } else {
+ delete Expr.find["ID"];
+
+ Expr.filter["ID"] = function( id ) {
+ var attrId = id.replace( runescape, funescape );
+ return function( elem ) {
+ var node = typeof elem.getAttributeNode !== strundefined && elem.getAttributeNode("id");
+ return node && node.value === attrId;
+ };
+ };
+ }
+
+ Expr.find["TAG"] = support.getElementsByTagName ?
+ function( tag, context ) {
+ if ( typeof context.getElementsByTagName !== strundefined ) {
+ return context.getElementsByTagName( tag );
+ }
+ } :
+ function( tag, context ) {
+ var elem,
+ tmp = [],
+ i = 0,
+ results = context.getElementsByTagName( tag );
+
+ if ( tag === "*" ) {
+ while ( (elem = results[i++]) ) {
+ if ( elem.nodeType === 1 ) {
+ tmp.push( elem );
+ }
+ }
+
+ return tmp;
+ }
+ return results;
+ };
+
+ Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
+ if ( typeof context.getElementsByClassName !== strundefined && documentIsHTML ) {
+ return context.getElementsByClassName( className );
+ }
+ };
+
+ /* QSA/matchesSelector
+ ---------------------------------------------------------------------- */
+
+
+ rbuggyMatches = [];
+
+ rbuggyQSA = [];
+
+ if ( (support.qsa = rnative.test( doc.querySelectorAll )) ) {
+ assert(function( div ) {
+ div.innerHTML = "<select t=''><option selected=''></option></select>";
+
+ if ( div.querySelectorAll("[t^='']").length ) {
+ rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
+ }
+
+ if ( !div.querySelectorAll("[selected]").length ) {
+ rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
+ }
+
+ if ( !div.querySelectorAll(":checked").length ) {
+ rbuggyQSA.push(":checked");
+ }
+ });
+
+ assert(function( div ) {
+ var input = doc.createElement("input");
+ input.setAttribute( "type", "hidden" );
+ div.appendChild( input ).setAttribute( "name", "D" );
+
+ if ( div.querySelectorAll("[name=d]").length ) {
+ rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
+ }
+
+ if ( !div.querySelectorAll(":enabled").length ) {
+ rbuggyQSA.push( ":enabled", ":disabled" );
+ }
+
+ div.querySelectorAll("*,:x");
+ rbuggyQSA.push(",.*:");
+ });
+ }
+
+ if ( (support.matchesSelector = rnative.test( (matches = docElem.webkitMatchesSelector ||
+ docElem.mozMatchesSelector ||
+ docElem.oMatchesSelector ||
+ docElem.msMatchesSelector) )) ) {
+
+ assert(function( div ) {
+ support.disconnectedMatch = matches.call( div, "div" );
+
+ matches.call( div, "[s!='']:x" );
+ rbuggyMatches.push( "!=", pseudos );
+ });
+ }
+
+ rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
+ rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
+
+ /* Contains
+ ---------------------------------------------------------------------- */
+ hasCompare = rnative.test( docElem.compareDocumentPosition );
+
+ contains = hasCompare || rnative.test( docElem.contains ) ?
+ function( a, b ) {
+ var adown = a.nodeType === 9 ? a.documentElement : a,
+ bup = b && b.parentNode;
+ return a === bup || !!( bup && bup.nodeType === 1 && (
+ adown.contains ?
+ adown.contains( bup ) :
+ a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
+ ));
+ } :
+ function( a, b ) {
+ if ( b ) {
+ while ( (b = b.parentNode) ) {
+ if ( b === a ) {
+ return true;
+ }
+ }
+ }
+ return false;
+ };
+
+ /* Sorting
+ ---------------------------------------------------------------------- */
+
+ sortOrder = hasCompare ?
+ function( a, b ) {
+
+ if ( a === b ) {
+ hasDuplicate = true;
+ return 0;
+ }
+
+ var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
+ if ( compare ) {
+ return compare;
+ }
+
+ compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
+ a.compareDocumentPosition( b ) :
+
+ 1;
+
+ if ( compare & 1 ||
+ (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
+
+ if ( a === doc || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
+ return -1;
+ }
+ if ( b === doc || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
+ return 1;
+ }
+
+ return sortInput ?
+ ( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) :
+ 0;
+ }
+
+ return compare & 4 ? -1 : 1;
+ } :
+ function( a, b ) {
+ if ( a === b ) {
+ hasDuplicate = true;
+ return 0;
+ }
+
+ var cur,
+ i = 0,
+ aup = a.parentNode,
+ bup = b.parentNode,
+ ap = [ a ],
+ bp = [ b ];
+
+ if ( !aup || !bup ) {
+ return a === doc ? -1 :
+ b === doc ? 1 :
+ aup ? -1 :
+ bup ? 1 :
+ sortInput ?
+ ( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) :
+ 0;
+
+ } else if ( aup === bup ) {
+ return siblingCheck( a, b );
+ }
+
+ cur = a;
+ while ( (cur = cur.parentNode) ) {
+ ap.unshift( cur );
+ }
+ cur = b;
+ while ( (cur = cur.parentNode) ) {
+ bp.unshift( cur );
+ }
+
+ while ( ap[i] === bp[i] ) {
+ i++;
+ }
+
+ return i ?
+ siblingCheck( ap[i], bp[i] ) :
+
+ ap[i] === preferredDoc ? -1 :
+ bp[i] === preferredDoc ? 1 :
+ 0;
+ };
+
+ return doc;
+};
+
+Sizzle.matches = function( expr, elements ) {
+ return Sizzle( expr, null, null, elements );
+};
+
+Sizzle.matchesSelector = function( elem, expr ) {
+ if ( ( elem.ownerDocument || elem ) !== document ) {
+ setDocument( elem );
+ }
+
+ expr = expr.replace( rattributeQuotes, "='$1']" );
+
+ if ( support.matchesSelector && documentIsHTML &&
+ ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
+ ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) {
+
+ try {
+ var ret = matches.call( elem, expr );
+
+ if ( ret || support.disconnectedMatch ||
+ elem.document && elem.document.nodeType !== 11 ) {
+ return ret;
+ }
+ } catch(e) {}
+ }
+
+ return Sizzle( expr, document, null, [elem] ).length > 0;
+};
+
+Sizzle.contains = function( context, elem ) {
+ if ( ( context.ownerDocument || context ) !== document ) {
+ setDocument( context );
+ }
+ return contains( context, elem );
+};
+
+Sizzle.attr = function( elem, name ) {
+ if ( ( elem.ownerDocument || elem ) !== document ) {
+ setDocument( elem );
+ }
+
+ var fn = Expr.attrHandle[ name.toLowerCase() ],
+ val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
+ fn( elem, name, !documentIsHTML ) :
+ undefined;
+
+ return val !== undefined ?
+ val :
+ support.attributes || !documentIsHTML ?
+ elem.getAttribute( name ) :
+ (val = elem.getAttributeNode(name)) && val.specified ?
+ val.value :
+ null;
+};
+
+Sizzle.error = function( msg ) {
+ throw new Error( "Syntax error, unrecognized expression: " + msg );
+};
+
+/**
+ * Document sorting and removing duplicates
+ * @param {ArrayLike} results
+ */
+Sizzle.uniqueSort = function( results ) {
+ var elem,
+ duplicates = [],
+ j = 0,
+ i = 0;
+
+ hasDuplicate = !support.detectDuplicates;
+ sortInput = !support.sortStable && results.slice( 0 );
+ results.sort( sortOrder );
+
+ if ( hasDuplicate ) {
+ while ( (elem = results[i++]) ) {
+ if ( elem === results[ i ] ) {
+ j = duplicates.push( i );
+ }
+ }
+ while ( j-- ) {
+ results.splice( duplicates[ j ], 1 );
+ }
+ }
+
+ sortInput = null;
+
+ return results;
+};
+
+/**
+ * Utility function for retrieving the text value of an array of DOM nodes
+ * @param {Array|Element} elem
+ */
+getText = Sizzle.getText = function( elem ) {
+ var node,
+ ret = "",
+ i = 0,
+ nodeType = elem.nodeType;
+
+ if ( !nodeType ) {
+ while ( (node = elem[i++]) ) {
+ ret += getText( node );
+ }
+ } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
+ if ( typeof elem.textContent === "string" ) {
+ return elem.textContent;
+ } else {
+ for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
+ ret += getText( elem );
+ }
+ }
+ } else if ( nodeType === 3 || nodeType === 4 ) {
+ return elem.nodeValue;
+ }
+
+ return ret;
+};
+
+Expr = Sizzle.selectors = {
+
+ cacheLength: 50,
+
+ createPseudo: markFunction,
+
+ match: matchExpr,
+
+ attrHandle: {},
+
+ find: {},
+
+ relative: {
+ ">": { dir: "parentNode", first: true },
+ " ": { dir: "parentNode" },
+ "+": { dir: "previousSibling", first: true },
+ "~": { dir: "previousSibling" }
+ },
+
+ preFilter: {
+ "ATTR": function( match ) {
+ match[1] = match[1].replace( runescape, funescape );
+
+ match[3] = ( match[4] || match[5] || "" ).replace( runescape, funescape );
+
+ if ( match[2] === "~=" ) {
+ match[3] = " " + match[3] + " ";
+ }
+
+ return match.slice( 0, 4 );
+ },
+
+ "CHILD": function( match ) {
+ /* matches from matchExpr["CHILD"]
+ 1 type (only|nth|...)
+ 2 what (child|of-type)
+ 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
+ 4 xn-component of xn+y argument ([+-]?\d*n|)
+ 5 sign of xn-component
+ 6 x of xn-component
+ 7 sign of y-component
+ 8 y of y-component
+ */
+ match[1] = match[1].toLowerCase();
+
+ if ( match[1].slice( 0, 3 ) === "nth" ) {
+ if ( !match[3] ) {
+ Sizzle.error( match[0] );
+ }
+
+ match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
+ match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
+
+ } else if ( match[3] ) {
+ Sizzle.error( match[0] );
+ }
+
+ return match;
+ },
+
+ "PSEUDO": function( match ) {
+ var excess,
+ unquoted = !match[5] && match[2];
+
+ if ( matchExpr["CHILD"].test( match[0] ) ) {
+ return null;
+ }
+
+ if ( match[3] && match[4] !== undefined ) {
+ match[2] = match[4];
+
+ } else if ( unquoted && rpseudo.test( unquoted ) &&
+ (excess = tokenize( unquoted, true )) &&
+ (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
+
+ match[0] = match[0].slice( 0, excess );
+ match[2] = unquoted.slice( 0, excess );
+ }
+
+ return match.slice( 0, 3 );
+ }
+ },
+
+ filter: {
+
+ "TAG": function( nodeNameSelector ) {
+ var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
+ return nodeNameSelector === "*" ?
+ function() { return true; } :
+ function( elem ) {
+ return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
+ };
+ },
+
+ "CLASS": function( className ) {
+ var pattern = classCache[ className + " " ];
+
+ return pattern ||
+ (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
+ classCache( className, function( elem ) {
+ return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== strundefined && elem.getAttribute("class") || "" );
+ });
+ },
+
+ "ATTR": function( name, operator, check ) {
+ return function( elem ) {
+ var result = Sizzle.attr( elem, name );
+
+ if ( result == null ) {
+ return operator === "!=";
+ }
+ if ( !operator ) {
+ return true;
+ }
+
+ result += "";
+
+ return operator === "=" ? result === check :
+ operator === "!=" ? result !== check :
+ operator === "^=" ? check && result.indexOf( check ) === 0 :
+ operator === "*=" ? check && result.indexOf( check ) > -1 :
+ operator === "$=" ? check && result.slice( -check.length ) === check :
+ operator === "~=" ? ( " " + result + " " ).indexOf( check ) > -1 :
+ operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
+ false;
+ };
+ },
+
+ "CHILD": function( type, what, argument, first, last ) {
+ var simple = type.slice( 0, 3 ) !== "nth",
+ forward = type.slice( -4 ) !== "last",
+ ofType = what === "of-type";
+
+ return first === 1 && last === 0 ?
+
+ function( elem ) {
+ return !!elem.parentNode;
+ } :
+
+ function( elem, context, xml ) {
+ var cache, outerCache, node, diff, nodeIndex, start,
+ dir = simple !== forward ? "nextSibling" : "previousSibling",
+ parent = elem.parentNode,
+ name = ofType && elem.nodeName.toLowerCase(),
+ useCache = !xml && !ofType;
+
+ if ( parent ) {
+
+ if ( simple ) {
+ while ( dir ) {
+ node = elem;
+ while ( (node = node[ dir ]) ) {
+ if ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) {
+ return false;
+ }
+ }
+ start = dir = type === "only" && !start && "nextSibling";
+ }
+ return true;
+ }
+
+ start = [ forward ? parent.firstChild : parent.lastChild ];
+
+ if ( forward && useCache ) {
+ outerCache = parent[ expando ] || (parent[ expando ] = {});
+ cache = outerCache[ type ] || [];
+ nodeIndex = cache[0] === dirruns && cache[1];
+ diff = cache[0] === dirruns && cache[2];
+ node = nodeIndex && parent.childNodes[ nodeIndex ];
+
+ while ( (node = ++nodeIndex && node && node[ dir ] ||
+
+ (diff = nodeIndex = 0) || start.pop()) ) {
+
+ if ( node.nodeType === 1 && ++diff && node === elem ) {
+ outerCache[ type ] = [ dirruns, nodeIndex, diff ];
+ break;
+ }
+ }
+
+ } else if ( useCache && (cache = (elem[ expando ] || (elem[ expando ] = {}))[ type ]) && cache[0] === dirruns ) {
+ diff = cache[1];
+
+ } else {
+ while ( (node = ++nodeIndex && node && node[ dir ] ||
+ (diff = nodeIndex = 0) || start.pop()) ) {
+
+ if ( ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) && ++diff ) {
+ if ( useCache ) {
+ (node[ expando ] || (node[ expando ] = {}))[ type ] = [ dirruns, diff ];
+ }
+
+ if ( node === elem ) {
+ break;
+ }
+ }
+ }
+ }
+
+ diff -= last;
+ return diff === first || ( diff % first === 0 && diff / first >= 0 );
+ }
+ };
+ },
+
+ "PSEUDO": function( pseudo, argument ) {
+ var args,
+ fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
+ Sizzle.error( "unsupported pseudo: " + pseudo );
+
+ if ( fn[ expando ] ) {
+ return fn( argument );
+ }
+
+ if ( fn.length > 1 ) {
+ args = [ pseudo, pseudo, "", argument ];
+ return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
+ markFunction(function( seed, matches ) {
+ var idx,
+ matched = fn( seed, argument ),
+ i = matched.length;
+ while ( i-- ) {
+ idx = indexOf.call( seed, matched[i] );
+ seed[ idx ] = !( matches[ idx ] = matched[i] );
+ }
+ }) :
+ function( elem ) {
+ return fn( elem, 0, args );
+ };
+ }
+
+ return fn;
+ }
+ },
+
+ pseudos: {
+ "not": markFunction(function( selector ) {
+ var input = [],
+ results = [],
+ matcher = compile( selector.replace( rtrim, "$1" ) );
+
+ return matcher[ expando ] ?
+ markFunction(function( seed, matches, context, xml ) {
+ var elem,
+ unmatched = matcher( seed, null, xml, [] ),
+ i = seed.length;
+
+ while ( i-- ) {
+ if ( (elem = unmatched[i]) ) {
+ seed[i] = !(matches[i] = elem);
+ }
+ }
+ }) :
+ function( elem, context, xml ) {
+ input[0] = elem;
+ matcher( input, null, xml, results );
+ return !results.pop();
+ };
+ }),
+
+ "has": markFunction(function( selector ) {
+ return function( elem ) {
+ return Sizzle( selector, elem ).length > 0;
+ };
+ }),
+
+ "contains": markFunction(function( text ) {
+ return function( elem ) {
+ return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;
+ };
+ }),
+
+ "lang": markFunction( function( lang ) {
+ if ( !ridentifier.test(lang || "") ) {
+ Sizzle.error( "unsupported lang: " + lang );
+ }
+ lang = lang.replace( runescape, funescape ).toLowerCase();
+ return function( elem ) {
+ var elemLang;
+ do {
+ if ( (elemLang = documentIsHTML ?
+ elem.lang :
+ elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
+
+ elemLang = elemLang.toLowerCase();
+ return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
+ }
+ } while ( (elem = elem.parentNode) && elem.nodeType === 1 );
+ return false;
+ };
+ }),
+
+ "target": function( elem ) {
+ var hash = window.location && window.location.hash;
+ return hash && hash.slice( 1 ) === elem.id;
+ },
+
+ "root": function( elem ) {
+ return elem === docElem;
+ },
+
+ "focus": function( elem ) {
+ return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
+ },
+
+ "enabled": function( elem ) {
+ return elem.disabled === false;
+ },
+
+ "disabled": function( elem ) {
+ return elem.disabled === true;
+ },
+
+ "checked": function( elem ) {
+ var nodeName = elem.nodeName.toLowerCase();
+ return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
+ },
+
+ "selected": function( elem ) {
+ if ( elem.parentNode ) {
+ elem.parentNode.selectedIndex;
+ }
+
+ return elem.selected === true;
+ },
+
+ "empty": function( elem ) {
+ for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
+ if ( elem.nodeType < 6 ) {
+ return false;
+ }
+ }
+ return true;
+ },
+
+ "parent": function( elem ) {
+ return !Expr.pseudos["empty"]( elem );
+ },
+
+ "header": function( elem ) {
+ return rheader.test( elem.nodeName );
+ },
+
+ "input": function( elem ) {
+ return rinputs.test( elem.nodeName );
+ },
+
+ "button": function( elem ) {
+ var name = elem.nodeName.toLowerCase();
+ return name === "input" && elem.type === "button" || name === "button";
+ },
+
+ "text": function( elem ) {
+ var attr;
+ return elem.nodeName.toLowerCase() === "input" &&
+ elem.type === "text" &&
+
+ ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
+ },
+
+ "first": createPositionalPseudo(function() {
+ return [ 0 ];
+ }),
+
+ "last": createPositionalPseudo(function( matchIndexes, length ) {
+ return [ length - 1 ];
+ }),
+
+ "eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
+ return [ argument < 0 ? argument + length : argument ];
+ }),
+
+ "even": createPositionalPseudo(function( matchIndexes, length ) {
+ var i = 0;
+ for ( ; i < length; i += 2 ) {
+ matchIndexes.push( i );
+ }
+ return matchIndexes;
+ }),
+
+ "odd": createPositionalPseudo(function( matchIndexes, length ) {
+ var i = 1;
+ for ( ; i < length; i += 2 ) {
+ matchIndexes.push( i );
+ }
+ return matchIndexes;
+ }),
+
+ "lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
+ var i = argument < 0 ? argument + length : argument;
+ for ( ; --i >= 0; ) {
+ matchIndexes.push( i );
+ }
+ return matchIndexes;
+ }),
+
+ "gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
+ var i = argument < 0 ? argument + length : argument;
+ for ( ; ++i < length; ) {
+ matchIndexes.push( i );
+ }
+ return matchIndexes;
+ })
+ }
+};
+
+Expr.pseudos["nth"] = Expr.pseudos["eq"];
+
+for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
+ Expr.pseudos[ i ] = createInputPseudo( i );
+}
+for ( i in { submit: true, reset: true } ) {
+ Expr.pseudos[ i ] = createButtonPseudo( i );
+}
+
+function setFilters() {}
+setFilters.prototype = Expr.filters = Expr.pseudos;
+Expr.setFilters = new setFilters();
+
+function tokenize( selector, parseOnly ) {
+ var matched, match, tokens, type,
+ soFar, groups, preFilters,
+ cached = tokenCache[ selector + " " ];
+
+ if ( cached ) {
+ return parseOnly ? 0 : cached.slice( 0 );
+ }
+
+ soFar = selector;
+ groups = [];
+ preFilters = Expr.preFilter;
+
+ while ( soFar ) {
+
+ if ( !matched || (match = rcomma.exec( soFar )) ) {
+ if ( match ) {
+ soFar = soFar.slice( match[0].length ) || soFar;
+ }
+ groups.push( (tokens = []) );
+ }
+
+ matched = false;
+
+ if ( (match = rcombinators.exec( soFar )) ) {
+ matched = match.shift();
+ tokens.push({
+ value: matched,
+ type: match[0].replace( rtrim, " " )
+ });
+ soFar = soFar.slice( matched.length );
+ }
+
+ for ( type in Expr.filter ) {
+ if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
+ (match = preFilters[ type ]( match ))) ) {
+ matched = match.shift();
+ tokens.push({
+ value: matched,
+ type: type,
+ matches: match
+ });
+ soFar = soFar.slice( matched.length );
+ }
+ }
+
+ if ( !matched ) {
+ break;
+ }
+ }
+
+ return parseOnly ?
+ soFar.length :
+ soFar ?
+ Sizzle.error( selector ) :
+ tokenCache( selector, groups ).slice( 0 );
+}
+
+function toSelector( tokens ) {
+ var i = 0,
+ len = tokens.length,
+ selector = "";
+ for ( ; i < len; i++ ) {
+ selector += tokens[i].value;
+ }
+ return selector;
+}
+
+function addCombinator( matcher, combinator, base ) {
+ var dir = combinator.dir,
+ checkNonElements = base && dir === "parentNode",
+ doneName = done++;
+
+ return combinator.first ?
+ function( elem, context, xml ) {
+ while ( (elem = elem[ dir ]) ) {
+ if ( elem.nodeType === 1 || checkNonElements ) {
+ return matcher( elem, context, xml );
+ }
+ }
+ } :
+
+ function( elem, context, xml ) {
+ var oldCache, outerCache,
+ newCache = [ dirruns, doneName ];
+
+ if ( xml ) {
+ while ( (elem = elem[ dir ]) ) {
+ if ( elem.nodeType === 1 || checkNonElements ) {
+ if ( matcher( elem, context, xml ) ) {
+ return true;
+ }
+ }
+ }
+ } else {
+ while ( (elem = elem[ dir ]) ) {
+ if ( elem.nodeType === 1 || checkNonElements ) {
+ outerCache = elem[ expando ] || (elem[ expando ] = {});
+ if ( (oldCache = outerCache[ dir ]) &&
+ oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
+
+ return (newCache[ 2 ] = oldCache[ 2 ]);
+ } else {
+ outerCache[ dir ] = newCache;
+
+ if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
+ return true;
+ }
+ }
+ }
+ }
+ }
+ };
+}
+
+function elementMatcher( matchers ) {
+ return matchers.length > 1 ?
+ function( elem, context, xml ) {
+ var i = matchers.length;
+ while ( i-- ) {
+ if ( !matchers[i]( elem, context, xml ) ) {
+ return false;
+ }
+ }
+ return true;
+ } :
+ matchers[0];
+}
+
+function multipleContexts( selector, contexts, results ) {
+ var i = 0,
+ len = contexts.length;
+ for ( ; i < len; i++ ) {
+ Sizzle( selector, contexts[i], results );
+ }
+ return results;
+}
+
+function condense( unmatched, map, filter, context, xml ) {
+ var elem,
+ newUnmatched = [],
+ i = 0,
+ len = unmatched.length,
+ mapped = map != null;
+
+ for ( ; i < len; i++ ) {
+ if ( (elem = unmatched[i]) ) {
+ if ( !filter || filter( elem, context, xml ) ) {
+ newUnmatched.push( elem );
+ if ( mapped ) {
+ map.push( i );
+ }
+ }
+ }
+ }
+
+ return newUnmatched;
+}
+
+function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
+ if ( postFilter && !postFilter[ expando ] ) {
+ postFilter = setMatcher( postFilter );
+ }
+ if ( postFinder && !postFinder[ expando ] ) {
+ postFinder = setMatcher( postFinder, postSelector );
+ }
+ return markFunction(function( seed, results, context, xml ) {
+ var temp, i, elem,
+ preMap = [],
+ postMap = [],
+ preexisting = results.length,
+
+ elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
+
+ matcherIn = preFilter && ( seed || !selector ) ?
+ condense( elems, preMap, preFilter, context, xml ) :
+ elems,
+
+ matcherOut = matcher ?
+ postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
+
+ [] :
+
+ results :
+ matcherIn;
+
+ if ( matcher ) {
+ matcher( matcherIn, matcherOut, context, xml );
+ }
+
+ if ( postFilter ) {
+ temp = condense( matcherOut, postMap );
+ postFilter( temp, [], context, xml );
+
+ i = temp.length;
+ while ( i-- ) {
+ if ( (elem = temp[i]) ) {
+ matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
+ }
+ }
+ }
+
+ if ( seed ) {
+ if ( postFinder || preFilter ) {
+ if ( postFinder ) {
+ temp = [];
+ i = matcherOut.length;
+ while ( i-- ) {
+ if ( (elem = matcherOut[i]) ) {
+ temp.push( (matcherIn[i] = elem) );
+ }
+ }
+ postFinder( null, (matcherOut = []), temp, xml );
+ }
+
+ i = matcherOut.length;
+ while ( i-- ) {
+ if ( (elem = matcherOut[i]) &&
+ (temp = postFinder ? indexOf.call( seed, elem ) : preMap[i]) > -1 ) {
+
+ seed[temp] = !(results[temp] = elem);
+ }
+ }
+ }
+
+ } else {
+ matcherOut = condense(
+ matcherOut === results ?
+ matcherOut.splice( preexisting, matcherOut.length ) :
+ matcherOut
+ );
+ if ( postFinder ) {
+ postFinder( null, results, matcherOut, xml );
+ } else {
+ push.apply( results, matcherOut );
+ }
+ }
+ });
+}
+
+function matcherFromTokens( tokens ) {
+ var checkContext, matcher, j,
+ len = tokens.length,
+ leadingRelative = Expr.relative[ tokens[0].type ],
+ implicitRelative = leadingRelative || Expr.relative[" "],
+ i = leadingRelative ? 1 : 0,
+
+ matchContext = addCombinator( function( elem ) {
+ return elem === checkContext;
+ }, implicitRelative, true ),
+ matchAnyContext = addCombinator( function( elem ) {
+ return indexOf.call( checkContext, elem ) > -1;
+ }, implicitRelative, true ),
+ matchers = [ function( elem, context, xml ) {
+ return ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
+ (checkContext = context).nodeType ?
+ matchContext( elem, context, xml ) :
+ matchAnyContext( elem, context, xml ) );
+ } ];
+
+ for ( ; i < len; i++ ) {
+ if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
+ matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
+ } else {
+ matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
+
+ if ( matcher[ expando ] ) {
+ j = ++i;
+ for ( ; j < len; j++ ) {
+ if ( Expr.relative[ tokens[j].type ] ) {
+ break;
+ }
+ }
+ return setMatcher(
+ i > 1 && elementMatcher( matchers ),
+ i > 1 && toSelector(
+ tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
+ ).replace( rtrim, "$1" ),
+ matcher,
+ i < j && matcherFromTokens( tokens.slice( i, j ) ),
+ j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
+ j < len && toSelector( tokens )
+ );
+ }
+ matchers.push( matcher );
+ }
+ }
+
+ return elementMatcher( matchers );
+}
+
+function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
+ var bySet = setMatchers.length > 0,
+ byElement = elementMatchers.length > 0,
+ superMatcher = function( seed, context, xml, results, outermost ) {
+ var elem, j, matcher,
+ matchedCount = 0,
+ i = "0",
+ unmatched = seed && [],
+ setMatched = [],
+ contextBackup = outermostContext,
+ elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
+ dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
+ len = elems.length;
+
+ if ( outermost ) {
+ outermostContext = context !== document && context;
+ }
+
+ for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
+ if ( byElement && elem ) {
+ j = 0;
+ while ( (matcher = elementMatchers[j++]) ) {
+ if ( matcher( elem, context, xml ) ) {
+ results.push( elem );
+ break;
+ }
+ }
+ if ( outermost ) {
+ dirruns = dirrunsUnique;
+ }
+ }
+
+ if ( bySet ) {
+ if ( (elem = !matcher && elem) ) {
+ matchedCount--;
+ }
+
+ if ( seed ) {
+ unmatched.push( elem );
+ }
+ }
+ }
+
+ matchedCount += i;
+ if ( bySet && i !== matchedCount ) {
+ j = 0;
+ while ( (matcher = setMatchers[j++]) ) {
+ matcher( unmatched, setMatched, context, xml );
+ }
+
+ if ( seed ) {
+ if ( matchedCount > 0 ) {
+ while ( i-- ) {
+ if ( !(unmatched[i] || setMatched[i]) ) {
+ setMatched[i] = pop.call( results );
+ }
+ }
+ }
+
+ setMatched = condense( setMatched );
+ }
+
+ push.apply( results, setMatched );
+
+ if ( outermost && !seed && setMatched.length > 0 &&
+ ( matchedCount + setMatchers.length ) > 1 ) {
+
+ Sizzle.uniqueSort( results );
+ }
+ }
+
+ if ( outermost ) {
+ dirruns = dirrunsUnique;
+ outermostContext = contextBackup;
+ }
+
+ return unmatched;
+ };
+
+ return bySet ?
+ markFunction( superMatcher ) :
+ superMatcher;
+}
+
+compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
+ var i,
+ setMatchers = [],
+ elementMatchers = [],
+ cached = compilerCache[ selector + " " ];
+
+ if ( !cached ) {
+ if ( !match ) {
+ match = tokenize( selector );
+ }
+ i = match.length;
+ while ( i-- ) {
+ cached = matcherFromTokens( match[i] );
+ if ( cached[ expando ] ) {
+ setMatchers.push( cached );
+ } else {
+ elementMatchers.push( cached );
+ }
+ }
+
+ cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
+
+ cached.selector = selector;
+ }
+ return cached;
+};
+
+/**
+ * A low-level selection function that works with Sizzle's compiled
+ * selector functions
+ * @param {String|Function} selector A selector or a pre-compiled
+ * selector function built with Sizzle.compile
+ * @param {Element} context
+ * @param {Array} [results]
+ * @param {Array} [seed] A set of elements to match against
+ */
+select = Sizzle.select = function( selector, context, results, seed ) {
+ var i, tokens, token, type, find,
+ compiled = typeof selector === "function" && selector,
+ match = !seed && tokenize( (selector = compiled.selector || selector) );
+
+ results = results || [];
+
+ if ( match.length === 1 ) {
+
+ tokens = match[0] = match[0].slice( 0 );
+ if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
+ support.getById && context.nodeType === 9 && documentIsHTML &&
+ Expr.relative[ tokens[1].type ] ) {
+
+ context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
+ if ( !context ) {
+ return results;
+
+ } else if ( compiled ) {
+ context = context.parentNode;
+ }
+
+ selector = selector.slice( tokens.shift().value.length );
+ }
+
+ i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
+ while ( i-- ) {
+ token = tokens[i];
+
+ if ( Expr.relative[ (type = token.type) ] ) {
+ break;
+ }
+ if ( (find = Expr.find[ type ]) ) {
+ if ( (seed = find(
+ token.matches[0].replace( runescape, funescape ),
+ rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
+ )) ) {
+
+ tokens.splice( i, 1 );
+ selector = seed.length && toSelector( tokens );
+ if ( !selector ) {
+ push.apply( results, seed );
+ return results;
+ }
+
+ break;
+ }
+ }
+ }
+ }
+
+ ( compiled || compile( selector, match ) )(
+ seed,
+ context,
+ !documentIsHTML,
+ results,
+ rsibling.test( selector ) && testContext( context.parentNode ) || context
+ );
+ return results;
+};
+
+
+support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
+
+support.detectDuplicates = !!hasDuplicate;
+
+setDocument();
+
+support.sortDetached = assert(function( div1 ) {
+ return div1.compareDocumentPosition( document.createElement("div") ) & 1;
+});
+
+if ( !assert(function( div ) {
+ div.innerHTML = "<a href='#'></a>";
+ return div.firstChild.getAttribute("href") === "#" ;
+}) ) {
+ addHandle( "type|href|height|width", function( elem, name, isXML ) {
+ if ( !isXML ) {
+ return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
+ }
+ });
+}
+
+if ( !support.attributes || !assert(function( div ) {
+ div.innerHTML = "<input/>";
+ div.firstChild.setAttribute( "value", "" );
+ return div.firstChild.getAttribute( "value" ) === "";
+}) ) {
+ addHandle( "value", function( elem, name, isXML ) {
+ if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
+ return elem.defaultValue;
+ }
+ });
+}
+
+if ( !assert(function( div ) {
+ return div.getAttribute("disabled") == null;
+}) ) {
+ addHandle( booleans, function( elem, name, isXML ) {
+ var val;
+ if ( !isXML ) {
+ return elem[ name ] === true ? name.toLowerCase() :
+ (val = elem.getAttributeNode( name )) && val.specified ?
+ val.value :
+ null;
+ }
+ });
+}
+
+if ( typeof define === "function" && define.amd ) {
+ define(function() { return Sizzle; });
+} else if ( typeof module !== "undefined" && module.exports ) {
+ module.exports = Sizzle;
+} else {
+ window.Sizzle = Sizzle;
+}
+
+})( window );
+
+;(function(engine) {
+ var extendElements = Prototype.Selector.extendElements;
+
+ function select(selector, scope) {
+ return extendElements(engine(selector, scope || document));
+ }
+
+ function match(element, selector) {
+ return engine.matches(selector, [element]).length == 1;
+ }
+
+ Prototype.Selector.engine = engine;
+ Prototype.Selector.select = select;
+ Prototype.Selector.match = match;
+})(Sizzle);
+
+window.Sizzle = Prototype._original_property;
+delete Prototype._original_property;
+
+var Form = {
+ reset: function(form) {
+ form = $(form);
+ form.reset();
+ return form;
+ },
+
+ serializeElements: function(elements, options) {
+ if (typeof options != 'object') options = { hash: !!options };
+ else if (Object.isUndefined(options.hash)) options.hash = true;
+ var key, value, submitted = false, submit = options.submit, accumulator, initial;
+
+ if (options.hash) {
+ initial = {};
+ accumulator = function(result, key, value) {
+ if (key in result) {
+ if (!Object.isArray(result[key])) result[key] = [result[key]];
+ result[key] = result[key].concat(value);
+ } else result[key] = value;
+ return result;
+ };
+ } else {
+ initial = '';
+ accumulator = function(result, key, values) {
+ if (!Object.isArray(values)) {values = [values];}
+ if (!values.length) {return result;}
+ var encodedKey = encodeURIComponent(key).gsub(/%20/, '+');
+ return result + (result ? "&" : "") + values.map(function (value) {
+ value = value.gsub(/(\r)?\n/, '\r\n');
+ value = encodeURIComponent(value);
+ value = value.gsub(/%20/, '+');
+ return encodedKey + "=" + value;
+ }).join("&");
+ };
+ }
+
+ return elements.inject(initial, function(result, element) {
+ if (!element.disabled && element.name) {
+ key = element.name; value = $(element).getValue();
+ if (value != null && element.type != 'file' && (element.type != 'submit' || (!submitted &&
+ submit !== false && (!submit || key == submit) && (submitted = true)))) {
+ result = accumulator(result, key, value);
+ }
+ }
+ return result;
+ });
+ }
+};
+
+Form.Methods = {
+ serialize: function(form, options) {
+ return Form.serializeElements(Form.getElements(form), options);
+ },
+
+
+ getElements: function(form) {
+ var elements = $(form).getElementsByTagName('*');
+ var element, results = [], serializers = Form.Element.Serializers;
+
+ for (var i = 0; element = elements[i]; i++) {
+ if (serializers[element.tagName.toLowerCase()])
+ results.push(Element.extend(element));
+ }
+ return results;
+ },
+
+ getInputs: function(form, typeName, name) {
+ form = $(form);
+ var inputs = form.getElementsByTagName('input');
+
+ if (!typeName && !name) return $A(inputs).map(Element.extend);
+
+ for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
+ var input = inputs[i];
+ if ((typeName && input.type != typeName) || (name && input.name != name))
+ continue;
+ matchingInputs.push(Element.extend(input));
+ }
+
+ return matchingInputs;
+ },
+
+ disable: function(form) {
+ form = $(form);
+ Form.getElements(form).invoke('disable');
+ return form;
+ },
+
+ enable: function(form) {
+ form = $(form);
+ Form.getElements(form).invoke('enable');
+ return form;
+ },
+
+ findFirstElement: function(form) {
+ var elements = $(form).getElements().findAll(function(element) {
+ return 'hidden' != element.type && !element.disabled;
+ });
+ var firstByIndex = elements.findAll(function(element) {
+ return element.hasAttribute('tabIndex') && element.tabIndex >= 0;
+ }).sortBy(function(element) { return element.tabIndex }).first();
+
+ return firstByIndex ? firstByIndex : elements.find(function(element) {
+ return /^(?:input|select|textarea)$/i.test(element.tagName);
+ });
+ },
+
+ focusFirstElement: function(form) {
+ form = $(form);
+ var element = form.findFirstElement();
+ if (element) element.activate();
+ return form;
+ },
+
+ request: function(form, options) {
+ form = $(form), options = Object.clone(options || { });
+
+ var params = options.parameters, action = form.readAttribute('action') || '';
+ if (action.blank()) action = window.location.href;
+ options.parameters = form.serialize(true);
+
+ if (params) {
+ if (Object.isString(params)) params = params.toQueryParams();
+ Object.extend(options.parameters, params);
+ }
+
+ if (form.hasAttribute('method') && !options.method)
+ options.method = form.method;
+
+ return new Ajax.Request(action, options);
+ }
+};
+
+/*--------------------------------------------------------------------------*/
+
+
+Form.Element = {
+ focus: function(element) {
+ $(element).focus();
+ return element;
+ },
+
+ select: function(element) {
+ $(element).select();
+ return element;
+ }
+};
+
+Form.Element.Methods = {
+
+ serialize: function(element) {
+ element = $(element);
+ if (!element.disabled && element.name) {
+ var value = element.getValue();
+ if (value != undefined) {
+ var pair = { };
+ pair[element.name] = value;
+ return Object.toQueryString(pair);
+ }
+ }
+ return '';
+ },
+
+ getValue: function(element) {
+ element = $(element);
+ var method = element.tagName.toLowerCase();
+ return Form.Element.Serializers[method](element);
+ },
+
+ setValue: function(element, value) {
+ element = $(element);
+ var method = element.tagName.toLowerCase();
+ Form.Element.Serializers[method](element, value);
+ return element;
+ },
+
+ clear: function(element) {
+ $(element).value = '';
+ return element;
+ },
+
+ present: function(element) {
+ return $(element).value != '';
+ },
+
+ activate: function(element) {
+ element = $(element);
+ try {
+ element.focus();
+ if (element.select && (element.tagName.toLowerCase() != 'input' ||
+ !(/^(?:button|reset|submit)$/i.test(element.type))))
+ element.select();
+ } catch (e) { }
+ return element;
+ },
+
+ disable: function(element) {
+ element = $(element);
+ element.disabled = true;
+ return element;
+ },
+
+ enable: function(element) {
+ element = $(element);
+ element.disabled = false;
+ return element;
+ }
+};
+
+/*--------------------------------------------------------------------------*/
+
+var Field = Form.Element;
+
+var $F = Form.Element.Methods.getValue;
+
+/*--------------------------------------------------------------------------*/
+
+Form.Element.Serializers = (function() {
+ function input(element, value) {
+ switch (element.type.toLowerCase()) {
+ case 'checkbox':
+ case 'radio':
+ return inputSelector(element, value);
+ default:
+ return valueSelector(element, value);
+ }
+ }
+
+ function inputSelector(element, value) {
+ if (Object.isUndefined(value))
+ return element.checked ? element.value : null;
+ else element.checked = !!value;
+ }
+
+ function valueSelector(element, value) {
+ if (Object.isUndefined(value)) return element.value;
+ else element.value = value;
+ }
+
+ function select(element, value) {
+ if (Object.isUndefined(value))
+ return (element.type === 'select-one' ? selectOne : selectMany)(element);
+
+ var opt, currentValue, single = !Object.isArray(value);
+ for (var i = 0, length = element.length; i < length; i++) {
+ opt = element.options[i];
+ currentValue = this.optionValue(opt);
+ if (single) {
+ if (currentValue == value) {
+ opt.selected = true;
+ return;
+ }
+ }
+ else opt.selected = value.include(currentValue);
+ }
+ }
+
+ function selectOne(element) {
+ var index = element.selectedIndex;
+ return index >= 0 ? optionValue(element.options[index]) : null;
+ }
+
+ function selectMany(element) {
+ var values, length = element.length;
+ if (!length) return null;
+
+ for (var i = 0, values = []; i < length; i++) {
+ var opt = element.options[i];
+ if (opt.selected) values.push(optionValue(opt));
+ }
+ return values;
+ }
+
+ function optionValue(opt) {
+ return Element.hasAttribute(opt, 'value') ? opt.value : opt.text;
+ }
+
+ return {
+ input: input,
+ inputSelector: inputSelector,
+ textarea: valueSelector,
+ select: select,
+ selectOne: selectOne,
+ selectMany: selectMany,
+ optionValue: optionValue,
+ button: valueSelector
+ };
+})();
+
+/*--------------------------------------------------------------------------*/
+
+
+Abstract.TimedObserver = Class.create(PeriodicalExecuter, {
+ initialize: function($super, element, frequency, callback) {
+ $super(callback, frequency);
+ this.element = $(element);
+ this.lastValue = this.getValue();
+ },
+
+ execute: function() {
+ var value = this.getValue();
+ if (Object.isString(this.lastValue) && Object.isString(value) ?
+ this.lastValue != value : String(this.lastValue) != String(value)) {
+ this.callback(this.element, value);
+ this.lastValue = value;
+ }
+ }
+});
+
+Form.Element.Observer = Class.create(Abstract.TimedObserver, {
+ getValue: function() {
+ return Form.Element.getValue(this.element);
+ }
+});
+
+Form.Observer = Class.create(Abstract.TimedObserver, {
+ getValue: function() {
+ return Form.serialize(this.element);
+ }
+});
+
+/*--------------------------------------------------------------------------*/
+
+Abstract.EventObserver = Class.create({
+ initialize: function(element, callback) {
+ this.element = $(element);
+ this.callback = callback;
+
+ this.lastValue = this.getValue();
+ if (this.element.tagName.toLowerCase() == 'form')
+ this.registerFormCallbacks();
+ else
+ this.registerCallback(this.element);
+ },
+
+ onElementEvent: function() {
+ var value = this.getValue();
+ if (this.lastValue != value) {
+ this.callback(this.element, value);
+ this.lastValue = value;
+ }
+ },
+
+ registerFormCallbacks: function() {
+ Form.getElements(this.element).each(this.registerCallback, this);
+ },
+
+ registerCallback: function(element) {
+ if (element.type) {
+ switch (element.type.toLowerCase()) {
+ case 'checkbox':
+ case 'radio':
+ Event.observe(element, 'click', this.onElementEvent.bind(this));
+ break;
+ default:
+ Event.observe(element, 'change', this.onElementEvent.bind(this));
+ break;
+ }
+ }
+ }
+});
+
+Form.Element.EventObserver = Class.create(Abstract.EventObserver, {
+ getValue: function() {
+ return Form.Element.getValue(this.element);
+ }
+});
+
+Form.EventObserver = Class.create(Abstract.EventObserver, {
+ getValue: function() {
+ return Form.serialize(this.element);
+ }
+});
+(function(GLOBAL) {
+ var DIV = document.createElement('div');
+ var docEl = document.documentElement;
+ var MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED = 'onmouseenter' in docEl
+ && 'onmouseleave' in docEl;
+
+ var Event = {
+ KEY_BACKSPACE: 8,
+ KEY_TAB: 9,
+ KEY_RETURN: 13,
+ KEY_ESC: 27,
+ KEY_LEFT: 37,
+ KEY_UP: 38,
+ KEY_RIGHT: 39,
+ KEY_DOWN: 40,
+ KEY_DELETE: 46,
+ KEY_HOME: 36,
+ KEY_END: 35,
+ KEY_PAGEUP: 33,
+ KEY_PAGEDOWN: 34,
+ KEY_INSERT: 45
+ };
+
+
+ var isIELegacyEvent = function(event) { return false; };
+
+ if (window.attachEvent) {
+ if (window.addEventListener) {
+ isIELegacyEvent = function(event) {
+ return !(event instanceof window.Event);
+ };
+ } else {
+ isIELegacyEvent = function(event) { return true; };
+ }
+ }
+
+ var _isButton;
+
+ function _isButtonForDOMEvents(event, code) {
+ return event.which ? (event.which === code + 1) : (event.button === code);
+ }
+
+ var legacyButtonMap = { 0: 1, 1: 4, 2: 2 };
+ function _isButtonForLegacyEvents(event, code) {
+ return event.button === legacyButtonMap[code];
+ }
+
+ function _isButtonForWebKit(event, code) {
+ switch (code) {
+ case 0: return event.which == 1 && !event.metaKey;
+ case 1: return event.which == 2 || (event.which == 1 && event.metaKey);
+ case 2: return event.which == 3;
+ default: return false;
+ }
+ }
+
+ if (window.attachEvent) {
+ if (!window.addEventListener) {
+ _isButton = _isButtonForLegacyEvents;
+ } else {
+ _isButton = function(event, code) {
+ return isIELegacyEvent(event) ? _isButtonForLegacyEvents(event, code) :
+ _isButtonForDOMEvents(event, code);
+ }
+ }
+ } else if (Prototype.Browser.WebKit) {
+ _isButton = _isButtonForWebKit;
+ } else {
+ _isButton = _isButtonForDOMEvents;
+ }
+
+ function isLeftClick(event) { return _isButton(event, 0) }
+
+ function isMiddleClick(event) { return _isButton(event, 1) }
+
+ function isRightClick(event) { return _isButton(event, 2) }
+
+ function element(event) {
+ return Element.extend(_element(event));
+ }
+
+ function _element(event) {
+ event = Event.extend(event);
+
+ var node = event.target, type = event.type,
+ currentTarget = event.currentTarget;
+
+ if (currentTarget && currentTarget.tagName) {
+ if (type === 'load' || type === 'error' ||
+ (type === 'click' && currentTarget.tagName.toLowerCase() === 'input'
+ && currentTarget.type === 'radio'))
+ node = currentTarget;
+ }
+
+ return node.nodeType == Node.TEXT_NODE ? node.parentNode : node;
+ }
+
+ function findElement(event, expression) {
+ var element = _element(event), selector = Prototype.Selector;
+ if (!expression) return Element.extend(element);
+ while (element) {
+ if (Object.isElement(element) && selector.match(element, expression))
+ return Element.extend(element);
+ element = element.parentNode;
+ }
+ }
+
+ function pointer(event) {
+ return { x: pointerX(event), y: pointerY(event) };
+ }
+
+ function pointerX(event) {
+ var docElement = document.documentElement,
+ body = document.body || { scrollLeft: 0 };
+
+ return event.pageX || (event.clientX +
+ (docElement.scrollLeft || body.scrollLeft) -
+ (docElement.clientLeft || 0));
+ }
+
+ function pointerY(event) {
+ var docElement = document.documentElement,
+ body = document.body || { scrollTop: 0 };
+
+ return event.pageY || (event.clientY +
+ (docElement.scrollTop || body.scrollTop) -
+ (docElement.clientTop || 0));
+ }
+
+
+ function stop(event) {
+ Event.extend(event);
+ event.preventDefault();
+ event.stopPropagation();
+
+ event.stopped = true;
+ }
+
+
+ Event.Methods = {
+ isLeftClick: isLeftClick,
+ isMiddleClick: isMiddleClick,
+ isRightClick: isRightClick,
+
+ element: element,
+ findElement: findElement,
+
+ pointer: pointer,
+ pointerX: pointerX,
+ pointerY: pointerY,
+
+ stop: stop
+ };
+
+ var methods = Object.keys(Event.Methods).inject({ }, function(m, name) {
+ m[name] = Event.Methods[name].methodize();
+ return m;
+ });
+
+ if (window.attachEvent) {
+ function _relatedTarget(event) {
+ var element;
+ switch (event.type) {
+ case 'mouseover':
+ case 'mouseenter':
+ element = event.fromElement;
+ break;
+ case 'mouseout':
+ case 'mouseleave':
+ element = event.toElement;
+ break;
+ default:
+ return null;
+ }
+ return Element.extend(element);
+ }
+
+ var additionalMethods = {
+ stopPropagation: function() { this.cancelBubble = true },
+ preventDefault: function() { this.returnValue = false },
+ inspect: function() { return '[object Event]' }
+ };
+
+ Event.extend = function(event, element) {
+ if (!event) return false;
+
+ if (!isIELegacyEvent(event)) return event;
+
+ if (event._extendedByPrototype) return event;
+ event._extendedByPrototype = Prototype.emptyFunction;
+
+ var pointer = Event.pointer(event);
+
+ Object.extend(event, {
+ target: event.srcElement || element,
+ relatedTarget: _relatedTarget(event),
+ pageX: pointer.x,
+ pageY: pointer.y
+ });
+
+ Object.extend(event, methods);
+ Object.extend(event, additionalMethods);
+
+ return event;
+ };
+ } else {
+ Event.extend = Prototype.K;
+ }
+
+ if (window.addEventListener) {
+ Event.prototype = window.Event.prototype || document.createEvent('HTMLEvents').__proto__;
+ Object.extend(Event.prototype, methods);
+ }
+
+ var EVENT_TRANSLATIONS = {
+ mouseenter: 'mouseover',
+ mouseleave: 'mouseout'
+ };
+
+ function getDOMEventName(eventName) {
+ return EVENT_TRANSLATIONS[eventName] || eventName;
+ }
+
+ if (MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED)
+ getDOMEventName = Prototype.K;
+
+ function getUniqueElementID(element) {
+ if (element === window) return 0;
+
+ if (typeof element._prototypeUID === 'undefined')
+ element._prototypeUID = Element.Storage.UID++;
+ return element._prototypeUID;
+ }
+
+ function getUniqueElementID_IE(element) {
+ if (element === window) return 0;
+ if (element == document) return 1;
+ return element.uniqueID;
+ }
+
+ if ('uniqueID' in DIV)
+ getUniqueElementID = getUniqueElementID_IE;
+
+ function isCustomEvent(eventName) {
+ return eventName.include(':');
+ }
+
+ Event._isCustomEvent = isCustomEvent;
+
+ function getRegistryForElement(element, uid) {
+ var CACHE = GLOBAL.Event.cache;
+ if (Object.isUndefined(uid))
+ uid = getUniqueElementID(element);
+ if (!CACHE[uid]) CACHE[uid] = { element: element };
+ return CACHE[uid];
+ }
+
+ function destroyRegistryForElement(element, uid) {
+ if (Object.isUndefined(uid))
+ uid = getUniqueElementID(element);
+ delete GLOBAL.Event.cache[uid];
+ }
+
+
+ function register(element, eventName, handler) {
+ var registry = getRegistryForElement(element);
+ if (!registry[eventName]) registry[eventName] = [];
+ var entries = registry[eventName];
+
+ var i = entries.length;
+ while (i--)
+ if (entries[i].handler === handler) return null;
+
+ var uid = getUniqueElementID(element);
+ var responder = GLOBAL.Event._createResponder(uid, eventName, handler);
+ var entry = {
+ responder: responder,
+ handler: handler
+ };
+
+ entries.push(entry);
+ return entry;
+ }
+
+ function unregister(element, eventName, handler) {
+ var registry = getRegistryForElement(element);
+ var entries = registry[eventName];
+ if (!entries) return;
+
+ var i = entries.length, entry;
+ while (i--) {
+ if (entries[i].handler === handler) {
+ entry = entries[i];
+ break;
+ }
+ }
+
+ if (!entry) return;
+
+ var index = entries.indexOf(entry);
+ entries.splice(index, 1);
+
+ return entry;
+ }
+
+
+ function observe(element, eventName, handler) {
+ element = $(element);
+ var entry = register(element, eventName, handler);
+
+ if (entry === null) return element;
+
+ var responder = entry.responder;
+ if (isCustomEvent(eventName))
+ observeCustomEvent(element, eventName, responder);
+ else
+ observeStandardEvent(element, eventName, responder);
+
+ return element;
+ }
+
+ function observeStandardEvent(element, eventName, responder) {
+ var actualEventName = getDOMEventName(eventName);
+ if (element.addEventListener) {
+ element.addEventListener(actualEventName, responder, false);
+ } else {
+ element.attachEvent('on' + actualEventName, responder);
+ }
+ }
+
+ function observeCustomEvent(element, eventName, responder) {
+ if (element.addEventListener) {
+ element.addEventListener('dataavailable', responder, false);
+ } else {
+ element.attachEvent('ondataavailable', responder);
+ element.attachEvent('onlosecapture', responder);
+ }
+ }
+
+ function stopObserving(element, eventName, handler) {
+ element = $(element);
+ var handlerGiven = !Object.isUndefined(handler),
+ eventNameGiven = !Object.isUndefined(eventName);
+
+ if (!eventNameGiven && !handlerGiven) {
+ stopObservingElement(element);
+ return element;
+ }
+
+ if (!handlerGiven) {
+ stopObservingEventName(element, eventName);
+ return element;
+ }
+
+ var entry = unregister(element, eventName, handler);
+
+ if (!entry) return element;
+ removeEvent(element, eventName, entry.responder);
+ return element;
+ }
+
+ function stopObservingStandardEvent(element, eventName, responder) {
+ var actualEventName = getDOMEventName(eventName);
+ if (element.removeEventListener) {
+ element.removeEventListener(actualEventName, responder, false);
+ } else {
+ element.detachEvent('on' + actualEventName, responder);
+ }
+ }
+
+ function stopObservingCustomEvent(element, eventName, responder) {
+ if (element.removeEventListener) {
+ element.removeEventListener('dataavailable', responder, false);
+ } else {
+ element.detachEvent('ondataavailable', responder);
+ element.detachEvent('onlosecapture', responder);
+ }
+ }
+
+
+
+ function stopObservingElement(element) {
+ var uid = getUniqueElementID(element), registry = GLOBAL.Event.cache[uid];
+ if (!registry) return;
+
+ destroyRegistryForElement(element, uid);
+
+ var entries, i;
+ for (var eventName in registry) {
+ if (eventName === 'element') continue;
+
+ entries = registry[eventName];
+ i = entries.length;
+ while (i--)
+ removeEvent(element, eventName, entries[i].responder);
+ }
+ }
+
+ function stopObservingEventName(element, eventName) {
+ var registry = getRegistryForElement(element);
+ var entries = registry[eventName];
+ if (!entries) return;
+ delete registry[eventName];
+
+ var i = entries.length;
+ while (i--)
+ removeEvent(element, eventName, entries[i].responder);
+ }
+
+
+ function removeEvent(element, eventName, handler) {
+ if (isCustomEvent(eventName))
+ stopObservingCustomEvent(element, eventName, handler);
+ else
+ stopObservingStandardEvent(element, eventName, handler);
+ }
+
+
+
+ function getFireTarget(element) {
+ if (element !== document) return element;
+ if (document.createEvent && !element.dispatchEvent)
+ return document.documentElement;
+ return element;
+ }
+
+ function fire(element, eventName, memo, bubble) {
+ element = getFireTarget($(element));
+ if (Object.isUndefined(bubble)) bubble = true;
+ memo = memo || {};
+
+ var event = fireEvent(element, eventName, memo, bubble);
+ return Event.extend(event);
+ }
+
+ function fireEvent_DOM(element, eventName, memo, bubble) {
+ var event = document.createEvent('HTMLEvents');
+ event.initEvent('dataavailable', bubble, true);
+
+ event.eventName = eventName;
+ event.memo = memo;
+
+ element.dispatchEvent(event);
+ return event;
+ }
+
+ function fireEvent_IE(element, eventName, memo, bubble) {
+ var event = document.createEventObject();
+ event.eventType = bubble ? 'ondataavailable' : 'onlosecapture';
+
+ event.eventName = eventName;
+ event.memo = memo;
+
+ element.fireEvent(event.eventType, event);
+ return event;
+ }
+
+ var fireEvent = document.createEvent ? fireEvent_DOM : fireEvent_IE;
+
+
+
+ Event.Handler = Class.create({
+ initialize: function(element, eventName, selector, callback) {
+ this.element = $(element);
+ this.eventName = eventName;
+ this.selector = selector;
+ this.callback = callback;
+ this.handler = this.handleEvent.bind(this);
+ },
+
+
+ start: function() {
+ Event.observe(this.element, this.eventName, this.handler);
+ return this;
+ },
+
+ stop: function() {
+ Event.stopObserving(this.element, this.eventName, this.handler);
+ return this;
+ },
+
+ handleEvent: function(event) {
+ var element = Event.findElement(event, this.selector);
+ if (element) this.callback.call(this.element, event, element);
+ }
+ });
+
+ function on(element, eventName, selector, callback) {
+ element = $(element);
+ if (Object.isFunction(selector) && Object.isUndefined(callback)) {
+ callback = selector, selector = null;
+ }
+
+ return new Event.Handler(element, eventName, selector, callback).start();
+ }
+
+ Object.extend(Event, Event.Methods);
+
+ Object.extend(Event, {
+ fire: fire,
+ observe: observe,
+ stopObserving: stopObserving,
+ on: on
+ });
+
+ Element.addMethods({
+ fire: fire,
+
+ observe: observe,
+
+ stopObserving: stopObserving,
+
+ on: on
+ });
+
+ Object.extend(document, {
+ fire: fire.methodize(),
+
+ observe: observe.methodize(),
+
+ stopObserving: stopObserving.methodize(),
+
+ on: on.methodize(),
+
+ loaded: false
+ });
+
+ if (GLOBAL.Event) Object.extend(window.Event, Event);
+ else GLOBAL.Event = Event;
+
+ GLOBAL.Event.cache = {};
+
+ function destroyCache_IE() {
+ GLOBAL.Event.cache = null;
+ }
+
+ if (window.attachEvent)
+ window.attachEvent('onunload', destroyCache_IE);
+
+ DIV = null;
+ docEl = null;
+})(this);
+
+(function(GLOBAL) {
+ /* Code for creating leak-free event responders is based on work by
+ John-David Dalton. */
+
+ var docEl = document.documentElement;
+ var MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED = 'onmouseenter' in docEl
+ && 'onmouseleave' in docEl;
+
+ function isSimulatedMouseEnterLeaveEvent(eventName) {
+ return !MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED &&
+ (eventName === 'mouseenter' || eventName === 'mouseleave');
+ }
+
+ function createResponder(uid, eventName, handler) {
+ if (Event._isCustomEvent(eventName))
+ return createResponderForCustomEvent(uid, eventName, handler);
+ if (isSimulatedMouseEnterLeaveEvent(eventName))
+ return createMouseEnterLeaveResponder(uid, eventName, handler);
+
+ return function(event) {
+ if (!Event.cache) return;
+
+ var element = Event.cache[uid].element;
+ Event.extend(event, element);
+ handler.call(element, event);
+ };
+ }
+
+ function createResponderForCustomEvent(uid, eventName, handler) {
+ return function(event) {
+ var element = Event.cache[uid].element;
+
+ if (Object.isUndefined(event.eventName))
+ return false;
+
+ if (event.eventName !== eventName)
+ return false;
+
+ Event.extend(event, element);
+ handler.call(element, event);
+ };
+ }
+
+ function createMouseEnterLeaveResponder(uid, eventName, handler) {
+ return function(event) {
+ var element = Event.cache[uid].element;
+
+ Event.extend(event, element);
+ var parent = event.relatedTarget;
+
+ while (parent && parent !== element) {
+ try { parent = parent.parentNode; }
+ catch(e) { parent = element; }
+ }
+
+ if (parent === element) return;
+ handler.call(element, event);
+ }
+ }
+
+ GLOBAL.Event._createResponder = createResponder;
+ docEl = null;
+})(this);
+
+(function(GLOBAL) {
+ /* Support for the DOMContentLoaded event is based on work by Dan Webb,
+ Matthias Miller, Dean Edwards, John Resig, and Diego Perini. */
+
+ var TIMER;
+
+ function fireContentLoadedEvent() {
+ if (document.loaded) return;
+ if (TIMER) window.clearTimeout(TIMER);
+ document.loaded = true;
+ document.fire('dom:loaded');
+ }
+
+ function checkReadyState() {
+ if (document.readyState === 'complete') {
+ document.detachEvent('onreadystatechange', checkReadyState);
+ fireContentLoadedEvent();
+ }
+ }
+
+ function pollDoScroll() {
+ try {
+ document.documentElement.doScroll('left');
+ } catch (e) {
+ TIMER = pollDoScroll.defer();
+ return;
+ }
+
+ fireContentLoadedEvent();
+ }
+
+
+ if (document.readyState === 'complete') {
+ fireContentLoadedEvent();
+ return;
+ }
+
+ if (document.addEventListener) {
+ document.addEventListener('DOMContentLoaded', fireContentLoadedEvent, false);
+ } else {
+ document.attachEvent('onreadystatechange', checkReadyState);
+ if (window == top) TIMER = pollDoScroll.defer();
+ }
+
+ Event.observe(window, 'load', fireContentLoadedEvent);
+})(this);
+
+
+Element.addMethods();
+/*------------------------------- DEPRECATED -------------------------------*/
+
+Hash.toQueryString = Object.toQueryString;
+
+var Toggle = { display: Element.toggle };
+
+Element.Methods.childOf = Element.Methods.descendantOf;
+
+var Insertion = {
+ Before: function(element, content) {
+ return Element.insert(element, {before:content});
+ },
+
+ Top: function(element, content) {
+ return Element.insert(element, {top:content});
+ },
+
+ Bottom: function(element, content) {
+ return Element.insert(element, {bottom:content});
+ },
+
+ After: function(element, content) {
+ return Element.insert(element, {after:content});
+ }
+};
+
+var $continue = new Error('"throw $continue" is deprecated, use "return" instead');
+
+var Position = {
+ includeScrollOffsets: false,
+
+ prepare: function() {
+ this.deltaX = window.pageXOffset
+ || document.documentElement.scrollLeft
+ || document.body.scrollLeft
+ || 0;
+ this.deltaY = window.pageYOffset
+ || document.documentElement.scrollTop
+ || document.body.scrollTop
+ || 0;
+ },
+
+ within: function(element, x, y) {
+ if (this.includeScrollOffsets)
+ return this.withinIncludingScrolloffsets(element, x, y);
+ this.xcomp = x;
+ this.ycomp = y;
+ this.offset = Element.cumulativeOffset(element);
+
+ return (y >= this.offset[1] &&
+ y < this.offset[1] + element.offsetHeight &&
+ x >= this.offset[0] &&
+ x < this.offset[0] + element.offsetWidth);
+ },
+
+ withinIncludingScrolloffsets: function(element, x, y) {
+ var offsetcache = Element.cumulativeScrollOffset(element);
+
+ this.xcomp = x + offsetcache[0] - this.deltaX;
+ this.ycomp = y + offsetcache[1] - this.deltaY;
+ this.offset = Element.cumulativeOffset(element);
+
+ return (this.ycomp >= this.offset[1] &&
+ this.ycomp < this.offset[1] + element.offsetHeight &&
+ this.xcomp >= this.offset[0] &&
+ this.xcomp < this.offset[0] + element.offsetWidth);
+ },
+
+ overlap: function(mode, element) {
+ if (!mode) return 0;
+ if (mode == 'vertical')
+ return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
+ element.offsetHeight;
+ if (mode == 'horizontal')
+ return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
+ element.offsetWidth;
+ },
+
+
+ cumulativeOffset: Element.Methods.cumulativeOffset,
+
+ positionedOffset: Element.Methods.positionedOffset,
+
+ absolutize: function(element) {
+ Position.prepare();
+ return Element.absolutize(element);
+ },
+
+ relativize: function(element) {
+ Position.prepare();
+ return Element.relativize(element);
+ },
+
+ realOffset: Element.Methods.cumulativeScrollOffset,
+
+ offsetParent: Element.Methods.getOffsetParent,
+
+ page: Element.Methods.viewportOffset,
+
+ clone: function(source, target, options) {
+ options = options || { };
+ return Element.clonePosition(target, source, options);
+ }
+};
+
+/*--------------------------------------------------------------------------*/
+
+if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){
+ function iter(name) {
+ return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]";
+ }
+
+ instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ?
+ function(element, className) {
+ className = className.toString().strip();
+ var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className);
+ return cond ? document._getElementsByXPath('.//*' + cond, element) : [];
+ } : function(element, className) {
+ className = className.toString().strip();
+ var elements = [], classNames = (/\s/.test(className) ? $w(className) : null);
+ if (!classNames && !className) return elements;
+
+ var nodes = $(element).getElementsByTagName('*');
+ className = ' ' + className + ' ';
+
+ for (var i = 0, child, cn; child = nodes[i]; i++) {
+ if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) ||
+ (classNames && classNames.all(function(name) {
+ return !name.toString().blank() && cn.include(' ' + name + ' ');
+ }))))
+ elements.push(Element.extend(child));
+ }
+ return elements;
+ };
+
+ return function(className, parentElement) {
+ return $(parentElement || document.body).getElementsByClassName(className);
+ };
+}(Element.Methods);
+
+/*--------------------------------------------------------------------------*/
+
+Element.ClassNames = Class.create();
+Element.ClassNames.prototype = {
+ initialize: function(element) {
+ this.element = $(element);
+ },
+
+ _each: function(iterator, context) {
+ this.element.className.split(/\s+/).select(function(name) {
+ return name.length > 0;
+ })._each(iterator, context);
+ },
+
+ set: function(className) {
+ this.element.className = className;
+ },
+
+ add: function(classNameToAdd) {
+ if (this.include(classNameToAdd)) return;
+ this.set($A(this).concat(classNameToAdd).join(' '));
+ },
+
+ remove: function(classNameToRemove) {
+ if (!this.include(classNameToRemove)) return;
+ this.set($A(this).without(classNameToRemove).join(' '));
+ },
+
+ toString: function() {
+ return $A(this).join(' ');
+ }
+};
+
+Object.extend(Element.ClassNames.prototype, Enumerable);
+
+/*--------------------------------------------------------------------------*/
+
+(function() {
+ window.Selector = Class.create({
+ initialize: function(expression) {
+ this.expression = expression.strip();
+ },
+
+ findElements: function(rootElement) {
+ return Prototype.Selector.select(this.expression, rootElement);
+ },
+
+ match: function(element) {
+ return Prototype.Selector.match(element, this.expression);
+ },
+
+ toString: function() {
+ return this.expression;
+ },
+
+ inspect: function() {
+ return "#<Selector: " + this.expression + ">";
+ }
+ });
+
+ Object.extend(Selector, {
+ matchElements: function(elements, expression) {
+ var match = Prototype.Selector.match,
+ results = [];
+
+ for (var i = 0, length = elements.length; i < length; i++) {
+ var element = elements[i];
+ if (match(element, expression)) {
+ results.push(Element.extend(element));
+ }
+ }
+ return results;
+ },
+
+ findElement: function(elements, expression, index) {
+ index = index || 0;
+ var matchIndex = 0, element;
+ for (var i = 0, length = elements.length; i < length; i++) {
+ element = elements[i];
+ if (Prototype.Selector.match(element, expression) && index === matchIndex++) {
+ return Element.extend(element);
+ }
+ }
+ },
+
+ findChildElements: function(element, expressions) {
+ var selector = expressions.toArray().join(', ');
+ return Prototype.Selector.select(selector, element || document);
+ }
+ });
+})();
generated by cgit (git 2.34.1) at 2025-03-08 08:21:15 +0000