Added: dev/zookeeper/zookeeper-3.9.3-candidate-2/website/skin/prototype.js ============================================================================== --- dev/zookeeper/zookeeper-3.9.3-candidate-2/website/skin/prototype.js (added) +++ dev/zookeeper/zookeeper-3.9.3-candidate-2/website/skin/prototype.js Thu Oct 17 23:40:29 2024 @@ -0,0 +1,7588 @@ +/* Prototype JavaScript framework, version 1.7.3 + * (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: '1.7.3', + + 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+$/, ''); + } + + function stripTags() { + return this.replace(/<\w+(\s+("[^"]*"|'[^']*'|[^>])+)?(\/)?>|<\/\w+>/gi, ''); + } + + function stripScripts() { + return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), ''); + } + + function extractScripts() { + var matchAll = new RegExp(Prototype.ScriptFragment, 'img'), + matchOne = new RegExp(Prototype.ScriptFragment, 'im'); + return (this.match(matchAll) || []).map(function(scriptTag) { + return (scriptTag.match(matchOne) || ['', ''])[1]; + }); + } + + function evalScripts() { + return this.extractScripts().map(function(script) { return eval(script); }); + } + + function escapeHTML() { + return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>'); + } + + function unescapeHTML() { + return this.stripTags().replace(/</g,'<').replace(/>/g,'>').replace(/&/g,'&'); + } + + + function toQueryParams(separator) { + var match = this.strip().match(/([^?#]*)(#.*)?$/); + 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]*$/).test(str); + } + + function evalJSON(sanitize) { + var json = this.unfilterJSON(), + cx = /[\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff\u0000]/g; + if (cx.test(json)) { + json = json.replace(cx, function (a) { + return '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4); + }); + } + try { + if (!sanitize || json.isJSON()) return eval('(' + json + ')'); + } catch (e) { } + throw new SyntaxError('Badly formed JSON string: ' + this.inspect()); + } + + function parseJSON() { + var json = this.unfilterJSON(); + return JSON.parse(json); + } + + function include(pattern) { + return this.indexOf(pattern) > -1; + } + + function startsWith(pattern, position) { + position = Object.isNumber(position) ? position : 0; + return this.lastIndexOf(pattern, position) === position; + } + + function endsWith(pattern, position) { + pattern = String(pattern); + position = Object.isNumber(position) ? position : this.length; + if (position < 0) position = 0; + if (position > this.length) position = this.length; + var d = position - pattern.length; + return d >= 0 && this.indexOf(pattern, d) === d; + } + + function empty() { + return this == ''; + } + + function blank() { + return /^\s*$/.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) { + 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) { + every = wrapNative(Array.prototype.every); + } + + + Object.extend(arrayProto, Enumerable); + + if (arrayProto.entries === Enumerable.entries) { + delete arrayProto.entries; + } + + 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, + + 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).getStyle('display') !== 'none'; + } + + function toggle(element, bool) { + element = $(element); + if (typeof bool !== 'boolean') + 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 = ' ' + 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); + if (!element || !ancestor) return false; + while (element = element.parentNode) + if (element === ancestor) return true; + return false; + } + + function descendantOf_contains(element, ancestor) { + element = $(element), ancestor = $(ancestor); + if (!element || !ancestor) return false; + if (!ancestor.contains) return descendantOf_DOM(element, ancestor); + return ancestor.contains(element) && ancestor !== element; + } + + function descendantOf_compareDocumentPosition(element, ancestor) { + element = $(element), ancestor = $(ancestor); + if (!element || !ancestor) return false; + 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]) { + value = table.values[attr](element, value); + if (Object.isUndefined(value)) continue; + } + 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) { + value = !!value; + element.checked = value; + return value ? 'checked' : null; + }, + + 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') { + if (!STANDARD_CSS_OPACITY_SUPPORTED) + return getOpacity_IE(element); + else return value ? parseFloat(value) : 1.0; + } + + 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\(opacity=(.*)\)/i); + 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) {
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