diff options
Diffstat (limited to 'config/snort/javascript/prototype.js')
-rw-r--r-- | config/snort/javascript/prototype.js | 4874 |
1 files changed, 4874 insertions, 0 deletions
diff --git a/config/snort/javascript/prototype.js b/config/snort/javascript/prototype.js new file mode 100644 index 00000000..9fe6e124 --- /dev/null +++ b/config/snort/javascript/prototype.js @@ -0,0 +1,4874 @@ +/* Prototype JavaScript framework, version 1.6.1 + * (c) 2005-2009 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: '1.6.1', + + 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.*Safari/.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'); + var form = document.createElement('form'); + var isSupported = false; + + if (div['__proto__'] && (div['__proto__'] !== form['__proto__'])) { + isSupported = true; + } + + div = form = null; + + return isSupported; + })() + }, + + ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>', + JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/, + + emptyFunction: function() { }, + K: function(x) { return x } +}; + +if (Prototype.Browser.MobileSafari) + Prototype.BrowserFeatures.SpecificElementExtensions = false; + + +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; + } +}; + +/* Based on Alex Arnell's inheritance implementation. */ + +var Class = (function() { + function subclass() {}; + function create() { + var parent = null, properties = $A(arguments); + if (Object.isFunction(properties[0])) + parent = properties.shift(); + + function klass() { + this.initialize.apply(this, arguments); + } + + Object.extend(klass, Class.Methods); + klass.superclass = parent; + klass.subclasses = []; + + if (parent) { + subclass.prototype = parent.prototype; + klass.prototype = new subclass; + parent.subclasses.push(klass); + } + + for (var i = 0; i < properties.length; i++) + klass.addMethods(properties[i]); + + if (!klass.prototype.initialize) + klass.prototype.initialize = Prototype.emptyFunction; + + klass.prototype.constructor = klass; + return klass; + } + + function addMethods(source) { + var ancestor = this.superclass && this.superclass.prototype; + var properties = Object.keys(source); + + if (!Object.keys({ toString: true }).length) { + if (source.toString != Object.prototype.toString) + properties.push("toString"); + if (source.valueOf != Object.prototype.valueOf) + properties.push("valueOf"); + } + + for (var i = 0, length = properties.length; i < length; i++) { + var property = properties[i], value = source[property]; + if (ancestor && Object.isFunction(value) && + value.argumentNames().first() == "$super") { + var method = value; + value = (function(m) { + return function() { return ancestor[m].apply(this, arguments); }; + })(property).wrap(method); + + value.valueOf = method.valueOf.bind(method); + value.toString = method.toString.bind(method); + } + this.prototype[property] = value; + } + + return this; + } + + return { + create: create, + Methods: { + addMethods: addMethods + } + }; +})(); +(function() { + + var _toString = Object.prototype.toString; + + 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(object) { + var type = typeof object; + switch (type) { + case 'undefined': + case 'function': + case 'unknown': return; + case 'boolean': return object.toString(); + } + + if (object === null) return 'null'; + if (object.toJSON) return object.toJSON(); + if (isElement(object)) return; + + var results = []; + for (var property in object) { + var value = toJSON(object[property]); + if (!isUndefined(value)) + results.push(property.toJSON() + ': ' + value); + } + + return '{' + results.join(', ') + '}'; + } + + function toQueryString(object) { + return $H(object).toQueryString(); + } + + function toHTML(object) { + return object && object.toHTML ? object.toHTML() : String.interpret(object); + } + + function keys(object) { + var results = []; + for (var property in object) + 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) == "[object Array]"; + } + + + function isHash(object) { + return object instanceof Hash; + } + + function isFunction(object) { + return typeof object === "function"; + } + + function isString(object) { + return _toString.call(object) == "[object String]"; + } + + function isNumber(object) { + return _toString.call(object) == "[object Number]"; + } + + function isUndefined(object) { + return typeof object === "undefined"; + } + + extend(Object, { + extend: extend, + inspect: inspect, + toJSON: toJSON, + toQueryString: toQueryString, + toHTML: toHTML, + keys: keys, + values: values, + clone: clone, + isElement: isElement, + isArray: isArray, + isHash: isHash, + isFunction: isFunction, + isString: isString, + isNumber: isNumber, + 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; + var __method = this, args = slice.call(arguments, 1); + return function() { + var a = merge(args, arguments); + return __method.apply(context, a); + } + } + + 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); + }; + } + + return { + argumentNames: argumentNames, + bind: bind, + bindAsEventListener: bindAsEventListener, + curry: curry, + delay: delay, + defer: defer, + wrap: wrap, + methodize: methodize + } +})()); + + +Date.prototype.toJSON = function() { + 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"'; +}; + + +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() { + + function prepareReplacement(replacement) { + if (Object.isFunction(replacement)) return replacement; + var template = new Template(replacement); + return function(match) { return template.evaluate(match) }; + } + + function gsub(pattern, replacement) { + var result = '', source = this, match; + replacement = prepareReplacement(replacement); + + if (Object.isString(pattern)) + pattern = RegExp.escape(pattern); + + if (!(pattern.length || pattern.source)) { + replacement = replacement(''); + return replacement + source.split('').join(replacement) + replacement; + } + + while (source.length > 0) { + if (match = source.match(pattern)) { + 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+$/, ''); + } + + function stripTags() { + return this.replace(/<\w+(\s+("[^"]*"|'[^']*'|[^>])+)?>|<\/\w+>/gi, ''); + } + + function stripScripts() { + return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), ''); + } + + function extractScripts() { + var matchAll = new RegExp(Prototype.ScriptFragment, 'img'); + var matchOne = new RegExp(Prototype.ScriptFragment, 'im'); + return (this.match(matchAll) || []).map(function(scriptTag) { + return (scriptTag.match(matchOne) || ['', ''])[1]; + }); + } + + function evalScripts() { + return this.extractScripts().map(function(script) { return eval(script) }); + } + + function escapeHTML() { + return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>'); + } + + function unescapeHTML() { + return this.stripTags().replace(/</g,'<').replace(/>/g,'>').replace(/&/g,'&'); + } + + + function toQueryParams(separator) { + var match = this.strip().match(/([^?#]*)(#.*)?$/); + if (!match) return { }; + + return match[1].split(separator || '&').inject({ }, function(hash, pair) { + if ((pair = pair.split('='))[0]) { + var key = decodeURIComponent(pair.shift()); + var value = pair.length > 1 ? pair.join('=') : pair[0]; + if (value != undefined) 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() { + var parts = this.split('-'), len = parts.length; + if (len == 1) return parts[0]; + + var camelized = this.charAt(0) == '-' + ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1) + : parts[0]; + + for (var i = 1; i < len; i++) + camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1); + + return camelized; + } + + 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 toJSON() { + return this.inspect(true); + } + + function unfilterJSON(filter) { + return this.replace(filter || Prototype.JSONFilter, '$1'); + } + + function isJSON() { + var str = this; + if (str.blank()) return false; + str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, ''); + return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str); + } + + function evalJSON(sanitize) { + var json = this.unfilterJSON(); + try { + if (!sanitize || json.isJSON()) return eval('(' + json + ')'); + } catch (e) { } + throw new SyntaxError('Badly formed JSON string: ' + this.inspect()); + } + + function include(pattern) { + return this.indexOf(pattern) > -1; + } + + function startsWith(pattern) { + return this.indexOf(pattern) === 0; + } + + function endsWith(pattern) { + var d = this.length - pattern.length; + return d >= 0 && this.lastIndexOf(pattern) === d; + } + + function empty() { + return this == ''; + } + + function blank() { + return /^\s*$/.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 ? 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, + toJSON: toJSON, + unfilterJSON: unfilterJSON, + isJSON: isJSON, + evalJSON: evalJSON, + include: include, + startsWith: startsWith, + 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]; + var 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) { + var index = 0; + try { + this._each(function(value) { + iterator.call(context, value, index++); + }); + } 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); + if (!result) throw $break; + }); + 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)) + throw $break; + }); + return result; + } + + function collect(iterator, context) { + iterator = iterator || Prototype.K; + var results = []; + this.each(function(value, index) { + results.push(iterator.call(context, value, index)); + }); + return results; + } + + function detect(iterator, context) { + var result; + this.each(function(value, index) { + if (iterator.call(context, value, index)) { + result = value; + throw $break; + } + }); + return result; + } + + function findAll(iterator, context) { + var results = []; + this.each(function(value, index) { + if (iterator.call(context, value, index)) + results.push(value); + }); + 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)); + }); + return results; + } + + function include(object) { + if (Object.isFunction(this.indexOf)) + if (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); + }); + 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); + if (result == null || value >= result) + result = value; + }); + return result; + } + + function min(iterator, context) { + iterator = iterator || Prototype.K; + var result; + this.each(function(value, index) { + value = iterator.call(context, value, index); + if (result == null || value < result) + result = value; + }); + return result; + } + + function partition(iterator, context) { + iterator = iterator || Prototype.K; + var trues = [], falses = []; + this.each(function(value, index) { + (iterator.call(context, value, index) ? + trues : falses).push(value); + }); + 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)) + results.push(value); + }); + return results; + } + + function sortBy(iterator, context) { + return this.map(function(value, index) { + return { + value: value, + criteria: iterator.call(context, value, index) + }; + }).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) { + for (var i = 0, length = this.length; i < length; i++) + iterator(this[i]); + } + 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 : this.toArray())._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.detect(function(value) { return item === value }); + }); + } + + + function clone() { + return slice.call(this, 0); + } + + function size() { + return this.length; + } + + function inspect() { + return '[' + this.map(Object.inspect).join(', ') + ']'; + } + + function toJSON() { + var results = []; + this.each(function(object) { + var value = Object.toJSON(object); + if (!Object.isUndefined(value)) results.push(value); + }); + return '[' + results.join(', ') + ']'; + } + + function indexOf(item, i) { + i || (i = 0); + var length = this.length; + if (i < 0) i = length + i; + for (; i < length; i++) + if (this[i] === item) return i; + return -1; + } + + function lastIndexOf(item, i) { + i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1; + var n = this.slice(0, i).reverse().indexOf(item); + return (n < 0) ? n : i - n - 1; + } + + function concat() { + var array = slice.call(this, 0), item; + for (var i = 0, length = arguments.length; i < length; i++) { + item = arguments[i]; + if (Object.isArray(item) && !('callee' in item)) { + for (var j = 0, arrayLength = item.length; j < arrayLength; j++) + array.push(item[j]); + } else { + array.push(item); + } + } + return array; + } + + Object.extend(arrayProto, Enumerable); + + if (!arrayProto._reverse) + arrayProto._reverse = arrayProto.reverse; + + Object.extend(arrayProto, { + _each: _each, + 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, + toJSON: toJSON + }); + + 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) { + for (var key in this._object) { + var value = this._object[key], pair = [key, value]; + pair.key = key; + pair.value = value; + iterator(pair); + } + } + + 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; + return key + '=' + encodeURIComponent(String.interpret(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)) + return results.concat(values.map(toQueryPair.curry(key))); + } 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 toJSON() { + return Object.toJSON(this.toObject()); + } + + 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: toJSON, + 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 toJSON() { + return isFinite(this) ? this.toString() : 'null'; + } + + 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, + toJSON: toJSON, + 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) { + var value = this.start; + while (this.include(value)) { + iterator(value); + 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 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) { + this.responders._each(iterator); + }, + + 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.isString(this.options.parameters)) + this.options.parameters = this.options.parameters.toQueryParams(); + else 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.clone(this.options.parameters); + + if (!['get', 'post'].include(this.method)) { + params['_method'] = this.method; + this.method = 'post'; + } + + this.parameters = params; + + if (params = Object.toQueryString(params)) { + if (this.method == 'get') + this.url += (this.url.include('?') ? '&' : '?') + params; + else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) + params += '&_='; + } + + 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 + $H(extras).each(function(pair) { headers[pair.key] = pair.value }); + } + + for (var name in headers) + this.transport.setRequestHeader(name, headers[name]); + }, + + success: function() { + var status = this.getStatus(); + return !status || (status >= 200 && status < 300); + }, + + getStatus: function() { + try { + return this.transport.status || 0; + } catch (e) { return 0 } + }, + + respondToReadyState: function(readyState) { + var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this); + + if (state == 'Complete') { + try { + this._complete = true; + (this.options['on' + response.status] + || this.options['on' + (this.success() ? 'Success' : 'Failure')] + || Prototype.emptyFunction)(response, response.headerJSON); + } catch (e) { + this.dispatchException(e); + } + + var contentType = response.getHeader('Content-type'); + if (this.options.evalJS == 'force' + || (this.options.evalJS && this.isSameOrigin() && contentType + && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/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; + json = decodeURIComponent(escape(json)); + 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 $(element) { + if (arguments.length > 1) { + for (var i = 0, elements = [], length = arguments.length; i < length; i++) + elements.push($(arguments[i])); + return elements; + } + if (Object.isString(element)) + element = document.getElementById(element); + return Element.extend(element); +} + +if (Prototype.BrowserFeatures.XPath) { + document._getElementsByXPath = function(expression, parentElement) { + var results = []; + var query = document.evaluate(expression, $(parentElement) || document, + null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); + for (var i = 0, length = query.snapshotLength; i < length; i++) + results.push(Element.extend(query.snapshotItem(i))); + return results; + }; +} + +/*--------------------------------------------------------------------------*/ + +if (!window.Node) var Node = { }; + +if (!Node.ELEMENT_NODE) { + Object.extend(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 + }); +} + + +(function(global) { + + var SETATTRIBUTE_IGNORES_NAME = (function(){ + var elForm = document.createElement("form"); + var elInput = document.createElement("input"); + var root = document.documentElement; + elInput.setAttribute("name", "test"); + elForm.appendChild(elInput); + root.appendChild(elForm); + var isBuggy = elForm.elements + ? (typeof elForm.elements.test == "undefined") + : null; + root.removeChild(elForm); + elForm = elInput = null; + return isBuggy; + })(); + + var element = global.Element; + global.Element = function(tagName, attributes) { + attributes = attributes || { }; + tagName = tagName.toLowerCase(); + var cache = Element.cache; + if (SETATTRIBUTE_IGNORES_NAME && attributes.name) { + tagName = '<' + tagName + ' name="' + attributes.name + '">'; + delete attributes.name; + return Element.writeAttribute(document.createElement(tagName), attributes); + } + if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName)); + return Element.writeAttribute(cache[tagName].cloneNode(false), attributes); + }; + Object.extend(global.Element, element || { }); + if (element) global.Element.prototype = element.prototype; +})(this); + +Element.cache = { }; +Element.idCounter = 1; + +Element.Methods = { + visible: function(element) { + return $(element).style.display != 'none'; + }, + + toggle: function(element) { + element = $(element); + Element[Element.visible(element) ? 'hide' : 'show'](element); + return element; + }, + + + hide: function(element) { + element = $(element); + element.style.display = 'none'; + return element; + }, + + show: function(element) { + element = $(element); + element.style.display = ''; + return element; + }, + + remove: function(element) { + element = $(element); + element.parentNode.removeChild(element); + return element; + }, + + update: (function(){ + + 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 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); + + 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 (SELECT_ELEMENT_INNERHTML_BUGGY || TABLE_ELEMENT_INNERHTML_BUGGY) { + if (tagName in Element._insertionTranslations.tags) { + while (element.firstChild) { + element.removeChild(element.firstChild); + } + Element._getContentFromAnonymousElement(tagName, content.stripScripts()) + .each(function(node) { + element.appendChild(node) + }); + } + else { + element.innerHTML = content.stripScripts(); + } + } + else { + element.innerHTML = content.stripScripts(); + } + + content.evalScripts.bind(content).defer(); + return element; + } + + return update; + })(), + + replace: function(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; + }, + + insert: function(element, insertions) { + element = $(element); + + if (Object.isString(insertions) || Object.isNumber(insertions) || + Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML))) + insertions = {bottom:insertions}; + + var content, insert, tagName, childNodes; + + for (var position in insertions) { + content = insertions[position]; + position = position.toLowerCase(); + insert = Element._insertionTranslations[position]; + + if (content && content.toElement) content = content.toElement(); + if (Object.isElement(content)) { + insert(element, content); + continue; + } + + content = Object.toHTML(content); + + tagName = ((position == 'before' || position == 'after') + ? element.parentNode : element).tagName.toUpperCase(); + + childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts()); + + if (position == 'top' || position == 'after') childNodes.reverse(); + childNodes.each(insert.curry(element)); + + content.evalScripts.bind(content).defer(); + } + + return element; + }, + + wrap: function(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; + }, + + inspect: function(element) { + element = $(element); + var result = '<' + element.tagName.toLowerCase(); + $H({'id': 'id', 'className': 'class'}).each(function(pair) { + var property = pair.first(), attribute = pair.last(); + var value = (element[property] || '').toString(); + if (value) result += ' ' + attribute + '=' + value.inspect(true); + }); + return result + '>'; + }, + + recursivelyCollect: function(element, property) { + element = $(element); + var elements = []; + while (element = element[property]) + if (element.nodeType == 1) + elements.push(Element.extend(element)); + return elements; + }, + + ancestors: function(element) { + return Element.recursivelyCollect(element, 'parentNode'); + }, + + descendants: function(element) { + return Element.select(element, "*"); + }, + + firstDescendant: function(element) { + element = $(element).firstChild; + while (element && element.nodeType != 1) element = element.nextSibling; + return $(element); + }, + + immediateDescendants: function(element) { + if (!(element = $(element).firstChild)) return []; + while (element && element.nodeType != 1) element = element.nextSibling; + if (element) return [element].concat($(element).nextSiblings()); + return []; + }, + + previousSiblings: function(element) { + return Element.recursivelyCollect(element, 'previousSibling'); + }, + + nextSiblings: function(element) { + return Element.recursivelyCollect(element, 'nextSibling'); + }, + + siblings: function(element) { + element = $(element); + return Element.previousSiblings(element).reverse() + .concat(Element.nextSiblings(element)); + }, + + match: function(element, selector) { + if (Object.isString(selector)) + selector = new Selector(selector); + return selector.match($(element)); + }, + + up: function(element, expression, index) { + element = $(element); + if (arguments.length == 1) return $(element.parentNode); + var ancestors = Element.ancestors(element); + return Object.isNumber(expression) ? ancestors[expression] : + Selector.findElement(ancestors, expression, index); + }, + + down: function(element, expression, index) { + element = $(element); + if (arguments.length == 1) return Element.firstDescendant(element); + return Object.isNumber(expression) ? Element.descendants(element)[expression] : + Element.select(element, expression)[index || 0]; + }, + + previous: function(element, expression, index) { + element = $(element); + if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element)); + var previousSiblings = Element.previousSiblings(element); + return Object.isNumber(expression) ? previousSiblings[expression] : + Selector.findElement(previousSiblings, expression, index); + }, + + next: function(element, expression, index) { + element = $(element); + if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element)); + var nextSiblings = Element.nextSiblings(element); + return Object.isNumber(expression) ? nextSiblings[expression] : + Selector.findElement(nextSiblings, expression, index); + }, + + + select: function(element) { + var args = Array.prototype.slice.call(arguments, 1); + return Selector.findChildElements(element, args); + }, + + adjacent: function(element) { + var args = Array.prototype.slice.call(arguments, 1); + return Selector.findChildElements(element.parentNode, args).without(element); + }, + + identify: function(element) { + element = $(element); + var id = Element.readAttribute(element, 'id'); + if (id) return id; + do { id = 'anonymous_element_' + Element.idCounter++ } while ($(id)); + Element.writeAttribute(element, 'id', id); + return id; + }, + + readAttribute: function(element, name) { + element = $(element); + if (Prototype.Browser.IE) { + var t = Element._attributeTranslations.read; + if (t.values[name]) return t.values[name](element, name); + if (t.names[name]) name = t.names[name]; + if (name.include(':')) { + return (!element.attributes || !element.attributes[name]) ? null : + element.attributes[name].value; + } + } + return element.getAttribute(name); + }, + + writeAttribute: function(element, name, value) { + element = $(element); + var attributes = { }, t = Element._attributeTranslations.write; + + if (typeof name == 'object') attributes = name; + else attributes[name] = Object.isUndefined(value) ? true : value; + + for (var attr in attributes) { + name = t.names[attr] || attr; + value = attributes[attr]; + if (t.values[attr]) name = t.values[attr](element, value); + if (value === false || value === null) + element.removeAttribute(name); + else if (value === true) + element.setAttribute(name, name); + else element.setAttribute(name, value); + } + return element; + }, + + getHeight: function(element) { + return Element.getDimensions(element).height; + }, + + getWidth: function(element) { + return Element.getDimensions(element).width; + }, + + classNames: function(element) { + return new Element.ClassNames(element); + }, + + hasClassName: function(element, className) { + if (!(element = $(element))) return; + var elementClassName = element.className; + return (elementClassName.length > 0 && (elementClassName == className || + new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName))); + }, + + addClassName: function(element, className) { + if (!(element = $(element))) return; + if (!Element.hasClassName(element, className)) + element.className += (element.className ? ' ' : '') + className; + return element; + }, + + removeClassName: function(element, className) { + if (!(element = $(element))) return; + element.className = element.className.replace( + new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip(); + return element; + }, + + toggleClassName: function(element, className) { + if (!(element = $(element))) return; + return Element[Element.hasClassName(element, className) ? + 'removeClassName' : 'addClassName'](element, className); + }, + + cleanWhitespace: function(element) { + element = $(element); + var node = element.firstChild; + while (node) { + var nextNode = node.nextSibling; + if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) + element.removeChild(node); + node = nextNode; + } + return element; + }, + + empty: function(element) { + return $(element).innerHTML.blank(); + }, + + descendantOf: function(element, ancestor) { + element = $(element), ancestor = $(ancestor); + + if (element.compareDocumentPosition) + return (element.compareDocumentPosition(ancestor) & 8) === 8; + + if (ancestor.contains) + return ancestor.contains(element) && ancestor !== element; + + while (element = element.parentNode) + if (element == ancestor) return true; + + return false; + }, + + scrollTo: function(element) { + element = $(element); + var pos = Element.cumulativeOffset(element); + window.scrollTo(pos[0], pos[1]); + return element; + }, + + getStyle: function(element, style) { + element = $(element); + style = style == 'float' ? 'cssFloat' : style.camelize(); + 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; + }, + + getOpacity: function(element) { + return $(element).getStyle('opacity'); + }, + + setStyle: function(element, styles) { + element = $(element); + var elementStyle = element.style, match; + if (Object.isString(styles)) { + element.style.cssText += ';' + styles; + return styles.include('opacity') ? + element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element; + } + for (var property in styles) + if (property == 'opacity') element.setOpacity(styles[property]); + else + elementStyle[(property == 'float' || property == 'cssFloat') ? + (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') : + property] = styles[property]; + + return element; + }, + + setOpacity: function(element, value) { + element = $(element); + element.style.opacity = (value == 1 || value === '') ? '' : + (value < 0.00001) ? 0 : value; + return element; + }, + + getDimensions: function(element) { + element = $(element); + var display = Element.getStyle(element, 'display'); + if (display != 'none' && display != null) // Safari bug + return {width: element.offsetWidth, height: element.offsetHeight}; + + var els = element.style; + var originalVisibility = els.visibility; + var originalPosition = els.position; + var originalDisplay = els.display; + els.visibility = 'hidden'; + if (originalPosition != 'fixed') // Switching fixed to absolute causes issues in Safari + els.position = 'absolute'; + els.display = 'block'; + var originalWidth = element.clientWidth; + var originalHeight = element.clientHeight; + els.display = originalDisplay; + els.position = originalPosition; + els.visibility = originalVisibility; + return {width: originalWidth, height: originalHeight}; + }, + + makePositioned: function(element) { + element = $(element); + var pos = Element.getStyle(element, 'position'); + if (pos == 'static' || !pos) { + element._madePositioned = true; + element.style.position = 'relative'; + if (Prototype.Browser.Opera) { + element.style.top = 0; + element.style.left = 0; + } + } + return element; + }, + + undoPositioned: function(element) { + element = $(element); + if (element._madePositioned) { + element._madePositioned = undefined; + element.style.position = + element.style.top = + element.style.left = + element.style.bottom = + element.style.right = ''; + } + return element; + }, + + makeClipping: function(element) { + element = $(element); + if (element._overflow) return element; + element._overflow = Element.getStyle(element, 'overflow') || 'auto'; + if (element._overflow !== 'hidden') + element.style.overflow = 'hidden'; + return element; + }, + + undoClipping: function(element) { + element = $(element); + if (!element._overflow) return element; + element.style.overflow = element._overflow == 'auto' ? '' : element._overflow; + element._overflow = null; + return element; + }, + + cumulativeOffset: function(element) { + var valueT = 0, valueL = 0; + do { + valueT += element.offsetTop || 0; + valueL += element.offsetLeft || 0; + element = element.offsetParent; + } while (element); + return Element._returnOffset(valueL, valueT); + }, + + positionedOffset: function(element) { + var valueT = 0, valueL = 0; + do { + valueT += element.offsetTop || 0; + valueL += element.offsetLeft || 0; + element = element.offsetParent; + if (element) { + if (element.tagName.toUpperCase() == 'BODY') break; + var p = Element.getStyle(element, 'position'); + if (p !== 'static') break; + } + } while (element); + return Element._returnOffset(valueL, valueT); + }, + + absolutize: function(element) { + element = $(element); + if (Element.getStyle(element, 'position') == 'absolute') return element; + + var offsets = Element.positionedOffset(element); + var top = offsets[1]; + var left = offsets[0]; + var width = element.clientWidth; + var height = element.clientHeight; + + element._originalLeft = left - parseFloat(element.style.left || 0); + element._originalTop = top - parseFloat(element.style.top || 0); + element._originalWidth = element.style.width; + element._originalHeight = element.style.height; + + element.style.position = 'absolute'; + element.style.top = top + 'px'; + element.style.left = left + 'px'; + element.style.width = width + 'px'; + element.style.height = height + 'px'; + return element; + }, + + relativize: function(element) { + element = $(element); + if (Element.getStyle(element, 'position') == 'relative') return element; + + element.style.position = 'relative'; + var top = parseFloat(element.style.top || 0) - (element._originalTop || 0); + var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0); + + element.style.top = top + 'px'; + element.style.left = left + 'px'; + element.style.height = element._originalHeight; + element.style.width = element._originalWidth; + return element; + }, + + cumulativeScrollOffset: function(element) { + var valueT = 0, valueL = 0; + do { + valueT += element.scrollTop || 0; + valueL += element.scrollLeft || 0; + element = element.parentNode; + } while (element); + return Element._returnOffset(valueL, valueT); + }, + + getOffsetParent: function(element) { + if (element.offsetParent) return $(element.offsetParent); + if (element == document.body) return $(element); + + while ((element = element.parentNode) && element != document.body) + if (Element.getStyle(element, 'position') != 'static') + return $(element); + + return $(document.body); + }, + + viewportOffset: function(forElement) { + var valueT = 0, valueL = 0; + + var element = forElement; + do { + valueT += element.offsetTop || 0; + valueL += element.offsetLeft || 0; + + if (element.offsetParent == document.body && + Element.getStyle(element, 'position') == 'absolute') break; + + } while (element = element.offsetParent); + + element = forElement; + do { + if (!Prototype.Browser.Opera || (element.tagName && (element.tagName.toUpperCase() == 'BODY'))) { + valueT -= element.scrollTop || 0; + valueL -= element.scrollLeft || 0; + } + } while (element = element.parentNode); + + return Element._returnOffset(valueL, valueT); + }, + + clonePosition: function(element, source) { + var options = Object.extend({ + setLeft: true, + setTop: true, + setWidth: true, + setHeight: true, + offsetTop: 0, + offsetLeft: 0 + }, arguments[2] || { }); + + source = $(source); + var p = Element.viewportOffset(source); + + element = $(element); + var delta = [0, 0]; + var parent = null; + if (Element.getStyle(element, 'position') == 'absolute') { + parent = Element.getOffsetParent(element); + delta = Element.viewportOffset(parent); + } + + if (parent == document.body) { + delta[0] -= document.body.offsetLeft; + delta[1] -= document.body.offsetTop; + } + + if (options.setLeft) element.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px'; + if (options.setTop) element.style.top = (p[1] - delta[1] + options.offsetTop) + 'px'; + if (options.setWidth) element.style.width = source.offsetWidth + 'px'; + if (options.setHeight) element.style.height = source.offsetHeight + 'px'; + return element; + } +}; + +Object.extend(Element.Methods, { + getElementsBySelector: Element.Methods.select, + + childElements: Element.Methods.immediateDescendants +}); + +Element._attributeTranslations = { + write: { + names: { + className: 'class', + htmlFor: 'for' + }, + values: { } + } +}; + +if (Prototype.Browser.Opera) { + Element.Methods.getStyle = Element.Methods.getStyle.wrap( + function(proceed, element, style) { + switch (style) { + case 'left': case 'top': case 'right': case 'bottom': + if (proceed(element, 'position') === 'static') return null; + case 'height': case 'width': + if (!Element.visible(element)) return null; + + var dim = parseInt(proceed(element, style), 10); + + if (dim !== element['offset' + style.capitalize()]) + return dim + 'px'; + + var properties; + if (style === 'height') { + properties = ['border-top-width', 'padding-top', + 'padding-bottom', 'border-bottom-width']; + } + else { + properties = ['border-left-width', 'padding-left', + 'padding-right', 'border-right-width']; + } + return properties.inject(dim, function(memo, property) { + var val = proceed(element, property); + return val === null ? memo : memo - parseInt(val, 10); + }) + 'px'; + default: return proceed(element, style); + } + } + ); + + Element.Methods.readAttribute = Element.Methods.readAttribute.wrap( + function(proceed, element, attribute) { + if (attribute === 'title') return element.title; + return proceed(element, attribute); + } + ); +} + +else if (Prototype.Browser.IE) { + Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap( + function(proceed, element) { + element = $(element); + try { element.offsetParent } + catch(e) { 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; + } + ); + + $w('positionedOffset viewportOffset').each(function(method) { + Element.Methods[method] = Element.Methods[method].wrap( + function(proceed, element) { + element = $(element); + try { element.offsetParent } + catch(e) { return Element._returnOffset(0,0) } + var position = element.getStyle('position'); + if (position !== 'static') return proceed(element); + var offsetParent = element.getOffsetParent(); + if (offsetParent && offsetParent.getStyle('position') === 'fixed') + offsetParent.setStyle({ zoom: 1 }); + element.setStyle({ position: 'relative' }); + var value = proceed(element); + element.setStyle({ position: position }); + return value; + } + ); + }); + + Element.Methods.cumulativeOffset = Element.Methods.cumulativeOffset.wrap( + function(proceed, element) { + try { element.offsetParent } + catch(e) { return Element._returnOffset(0,0) } + return proceed(element); + } + ); + + Element.Methods.getStyle = function(element, style) { + element = $(element); + style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize(); + var value = element.style[style]; + if (!value && element.currentStyle) value = element.currentStyle[style]; + + if (style == 'opacity') { + if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/)) + if (value[1]) return parseFloat(value[1]) / 100; + return 1.0; + } + + if (value == 'auto') { + if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none')) + return element['offset' + style.capitalize()] + 'px'; + return null; + } + return value; + }; + + Element.Methods.setOpacity = function(element, value) { + function stripAlpha(filter){ + return filter.replace(/alpha\([^\)]*\)/gi,''); + } + element = $(element); + var currentStyle = element.currentStyle; + if ((currentStyle && !currentStyle.hasLayout) || + (!currentStyle && element.style.zoom == 'normal')) + element.style.zoom = 1; + + var filter = element.getStyle('filter'), style = element.style; + if (value == 1 || value === '') { + (filter = stripAlpha(filter)) ? + style.filter = filter : style.removeAttribute('filter'); + return element; + } else if (value < 0.00001) value = 0; + style.filter = stripAlpha(filter) + + 'alpha(opacity=' + (value * 100) + ')'; + return element; + }; + + Element._attributeTranslations = (function(){ + + var classProp = 'className'; + var forProp = 'for'; + + var el = document.createElement('div'); + + el.setAttribute(classProp, 'x'); + + if (el.className !== 'x') { + el.setAttribute('class', 'x'); + if (el.className === 'x') { + classProp = 'class'; + } + } + el = null; + + el = document.createElement('label'); + el.setAttribute(forProp, 'x'); + if (el.htmlFor !== 'x') { + el.setAttribute('htmlFor', 'x'); + if (el.htmlFor === 'x') { + forProp = 'htmlFor'; + } + } + el = null; + + return { + read: { + names: { + 'class': classProp, + 'className': classProp, + 'for': forProp, + 'htmlFor': forProp + }, + values: { + _getAttr: function(element, attribute) { + return element.getAttribute(attribute); + }, + _getAttr2: function(element, attribute) { + return element.getAttribute(attribute, 2); + }, + _getAttrNode: function(element, attribute) { + var node = element.getAttributeNode(attribute); + return node ? node.value : ""; + }, + _getEv: (function(){ + + var el = document.createElement('div'); + el.onclick = Prototype.emptyFunction; + var value = el.getAttribute('onclick'); + var f; + + if (String(value).indexOf('{') > -1) { + f = function(element, attribute) { + attribute = element.getAttribute(attribute); + if (!attribute) return null; + attribute = attribute.toString(); + attribute = attribute.split('{')[1]; + attribute = attribute.split('}')[0]; + return attribute.strip(); + }; + } + else if (value === '') { + f = function(element, attribute) { + attribute = element.getAttribute(attribute); + if (!attribute) return null; + return attribute.strip(); + }; + } + el = null; + return f; + })(), + _flag: function(element, attribute) { + return $(element).hasAttribute(attribute) ? attribute : null; + }, + style: function(element) { + return element.style.cssText.toLowerCase(); + }, + title: function(element) { + return element.title; + } + } + } + } + })(); + + Element._attributeTranslations.write = { + names: Object.extend({ + cellpadding: 'cellPadding', + cellspacing: 'cellSpacing' + }, Element._attributeTranslations.read.names), + values: { + checked: function(element, value) { + element.checked = !!value; + }, + + style: function(element, value) { + element.style.cssText = value ? value : ''; + } + } + }; + + Element._attributeTranslations.has = {}; + + $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' + + 'encType maxLength readOnly longDesc frameBorder').each(function(attr) { + Element._attributeTranslations.write.names[attr.toLowerCase()] = attr; + Element._attributeTranslations.has[attr.toLowerCase()] = attr; + }); + + (function(v) { + Object.extend(v, { + href: v._getAttr2, + src: v._getAttr2, + type: v._getAttr, + action: v._getAttrNode, + disabled: v._flag, + checked: v._flag, + readonly: v._flag, + multiple: v._flag, + onload: v._getEv, + onunload: v._getEv, + onclick: v._getEv, + ondblclick: v._getEv, + onmousedown: v._getEv, + onmouseup: v._getEv, + onmouseover: v._getEv, + onmousemove: v._getEv, + onmouseout: v._getEv, + onfocus: v._getEv, + onblur: v._getEv, + onkeypress: v._getEv, + onkeydown: v._getEv, + onkeyup: v._getEv, + onsubmit: v._getEv, + onreset: v._getEv, + onselect: v._getEv, + onchange: v._getEv + }); + })(Element._attributeTranslations.read.values); + + if (Prototype.BrowserFeatures.ElementExtensions) { + (function() { + function _descendants(element) { + var nodes = element.getElementsByTagName('*'), results = []; + for (var i = 0, node; node = nodes[i]; i++) + if (node.tagName !== "!") // Filter out comment nodes. + results.push(node); + return results; + } + + Element.Methods.down = function(element, expression, index) { + element = $(element); + if (arguments.length == 1) return element.firstDescendant(); + return Object.isNumber(expression) ? _descendants(element)[expression] : + Element.select(element, expression)[index || 0]; + } + })(); + } + +} + +else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) { + Element.Methods.setOpacity = function(element, value) { + element = $(element); + element.style.opacity = (value == 1) ? 0.999999 : + (value === '') ? '' : (value < 0.00001) ? 0 : value; + return element; + }; +} + +else if (Prototype.Browser.WebKit) { + Element.Methods.setOpacity = function(element, value) { + element = $(element); + element.style.opacity = (value == 1 || value === '') ? '' : + (value < 0.00001) ? 0 : value; + + if (value == 1) + if(element.tagName.toUpperCase() == 'IMG' && element.width) { + element.width++; element.width--; + } else try { + var n = document.createTextNode(' '); + element.appendChild(n); + element.removeChild(n); + } catch (e) { } + + return element; + }; + + Element.Methods.cumulativeOffset = function(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 Element._returnOffset(valueL, valueT); + }; +} + +if ('outerHTML' in document.documentElement) { + Element.Methods.replace = function(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 (Element._insertionTranslations.tags[tagName]) { + var nextSibling = element.next(); + var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts()); + parent.removeChild(element); + if (nextSibling) + fragments.each(function(node) { parent.insertBefore(node, nextSibling) }); + else + fragments.each(function(node) { parent.appendChild(node) }); + } + else element.outerHTML = content.stripScripts(); + + content.evalScripts.bind(content).defer(); + return element; + }; +} + +Element._returnOffset = function(l, t) { + var result = [l, t]; + result.left = l; + result.top = t; + return result; +}; + +Element._getContentFromAnonymousElement = function(tagName, html) { + var div = new Element('div'), t = Element._insertionTranslations.tags[tagName]; + if (t) { + div.innerHTML = t[0] + html + t[1]; + t[2].times(function() { div = div.firstChild }); + } else div.innerHTML = html; + return $A(div.childNodes); +}; + +Element._insertionTranslations = { + 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] + } +}; + +(function() { + var tags = Element._insertionTranslations.tags; + Object.extend(tags, { + THEAD: tags.TBODY, + TFOOT: tags.TBODY, + TH: tags.TD + }); +})(); + +Element.Methods.Simulated = { + hasAttribute: function(element, attribute) { + attribute = Element._attributeTranslations.has[attribute] || attribute; + var node = $(element).getAttributeNode(attribute); + return !!(node && node.specified); + } +}; + +Element.Methods.ByTag = { }; + +Object.extend(Element, Element.Methods); + +(function(div) { + + if (!Prototype.BrowserFeatures.ElementExtensions && div['__proto__']) { + window.HTMLElement = { }; + window.HTMLElement.prototype = div['__proto__']; + Prototype.BrowserFeatures.ElementExtensions = true; + } + + div = null; + +})(document.createElement('div')) + +Element.extend = (function() { + + function checkDeficiency(tagName) { + if (typeof window.Element != 'undefined') { + var proto = window.Element.prototype; + if (proto) { + var id = '_' + (Math.random()+'').slice(2); + var el = document.createElement(tagName); + proto[id] = 'x'; + var isBuggy = (el[id] !== 'x'); + delete proto[id]; + el = null; + return isBuggy; + } + } + return false; + } + + function extendElementWith(element, methods) { + for (var property in methods) { + var value = methods[property]; + if (Object.isFunction(value) && !(property in element)) + element[property] = value.methodize(); + } + } + + var HTMLOBJECTELEMENT_PROTOTYPE_BUGGY = checkDeficiency('object'); + + if (Prototype.BrowserFeatures.SpecificElementExtensions) { + if (HTMLOBJECTELEMENT_PROTOTYPE_BUGGY) { + return function(element) { + if (element && typeof element._extendedByPrototype == 'undefined') { + var t = element.tagName; + if (t && (/^(?:object|applet|embed)$/i.test(t))) { + extendElementWith(element, Element.Methods); + extendElementWith(element, Element.Methods.Simulated); + extendElementWith(element, Element.Methods.ByTag[t.toUpperCase()]); + } + } + return element; + } + } + return Prototype.K; + } + + var Methods = { }, ByTag = Element.Methods.ByTag; + + var extend = Object.extend(function(element) { + if (!element || typeof element._extendedByPrototype != 'undefined' || + element.nodeType != 1 || element == window) return element; + + var methods = Object.clone(Methods), + tagName = element.tagName.toUpperCase(); + + if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]); + + extendElementWith(element, methods); + + element._extendedByPrototype = Prototype.emptyFunction; + return element; + + }, { + refresh: function() { + if (!Prototype.BrowserFeatures.ElementExtensions) { + Object.extend(Methods, Element.Methods); + Object.extend(Methods, Element.Methods.Simulated); + } + } + }); + + extend.refresh(); + return extend; +})(); + +Element.hasAttribute = function(element, attribute) { + if (element.hasAttribute) return element.hasAttribute(attribute); + return Element.Methods.Simulated.hasAttribute(element, attribute); +}; + +Element.addMethods = function(methods) { + var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag; + + if (!methods) { + 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) + }); + } + + if (arguments.length == 2) { + var tagName = methods; + methods = arguments[1]; + } + + if (!tagName) Object.extend(Element.Methods, methods || { }); + else { + if (Object.isArray(tagName)) tagName.each(extend); + else extend(tagName); + } + + function extend(tagName) { + tagName = tagName.toUpperCase(); + if (!Element.Methods.ByTag[tagName]) + Element.Methods.ByTag[tagName] = { }; + Object.extend(Element.Methods.ByTag[tagName], methods); + } + + function copy(methods, destination, onlyIfAbsent) { + 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); + var proto = element['__proto__'] || element.constructor.prototype; + element = null; + return proto; + } + + var elementPrototype = window.HTMLElement ? HTMLElement.prototype : + Element.prototype; + + if (F.ElementExtensions) { + copy(Element.Methods, elementPrototype); + copy(Element.Methods.Simulated, elementPrototype, true); + } + + if (F.SpecificElementExtensions) { + for (var tag in Element.Methods.ByTag) { + var klass = findDOMClass(tag); + if (Object.isUndefined(klass)) continue; + copy(T[tag], klass.prototype); + } + } + + Object.extend(Element, Element.Methods); + delete Element.ByTag; + + if (Element.extend.refresh) Element.extend.refresh(); + Element.cache = { }; +}; + + +document.viewport = { + + getDimensions: function() { + return { width: this.getWidth(), height: this.getHeight() }; + }, + + getScrollOffsets: function() { + return Element._returnOffset( + window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft, + window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop); + } +}; + +(function(viewport) { + var B = Prototype.Browser, doc = document, element, property = {}; + + function getRootElement() { + if (B.WebKit && !doc.evaluate) + return document; + + if (B.Opera && window.parseFloat(window.opera.version()) < 9.5) + return document.body; + + return document.documentElement; + } + + function define(D) { + if (!element) element = getRootElement(); + + property[D] = 'client' + D; + + viewport['get' + D] = function() { return element[property[D]] }; + return viewport['get' + D](); + } + + viewport.getWidth = define.curry('Width'); + + viewport.getHeight = define.curry('Height'); +})(document.viewport); + + +Element.Storage = { + UID: 1 +}; + +Element.addMethods({ + getStorage: function(element) { + if (!(element = $(element))) return; + + var uid; + if (element === window) { + uid = 0; + } else { + if (typeof element._prototypeUID === "undefined") + element._prototypeUID = [Element.Storage.UID++]; + uid = element._prototypeUID[0]; + } + + if (!Element.Storage[uid]) + Element.Storage[uid] = $H(); + + return Element.Storage[uid]; + }, + + store: function(element, key, value) { + if (!(element = $(element))) return; + + if (arguments.length === 2) { + Element.getStorage(element).update(key); + } else { + Element.getStorage(element).set(key, value); + } + + return element; + }, + + retrieve: function(element, key, defaultValue) { + if (!(element = $(element))) return; + var hash = Element.getStorage(element), value = hash.get(key); + + if (Object.isUndefined(value)) { + hash.set(key, defaultValue); + value = defaultValue; + } + + return value; + }, + + clone: function(element, deep) { + if (!(element = $(element))) return; + var clone = element.cloneNode(deep); + clone._prototypeUID = void 0; + if (deep) { + var descendants = Element.select(clone, '*'), + i = descendants.length; + while (i--) { + descendants[i]._prototypeUID = void 0; + } + } + return Element.extend(clone); + } +}); +/* Portions of the Selector class are derived from Jack Slocum's DomQuery, + * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style + * license. Please see http://www.yui-ext.com/ for more information. */ + +var Selector = Class.create({ + initialize: function(expression) { + this.expression = expression.strip(); + + if (this.shouldUseSelectorsAPI()) { + this.mode = 'selectorsAPI'; + } else if (this.shouldUseXPath()) { + this.mode = 'xpath'; + this.compileXPathMatcher(); + } else { + this.mode = "normal"; + this.compileMatcher(); + } + + }, + + shouldUseXPath: (function() { + + var IS_DESCENDANT_SELECTOR_BUGGY = (function(){ + var isBuggy = false; + if (document.evaluate && window.XPathResult) { + var el = document.createElement('div'); + el.innerHTML = '<ul><li></li></ul><div><ul><li></li></ul></div>'; + + var xpath = ".//*[local-name()='ul' or local-name()='UL']" + + "//*[local-name()='li' or local-name()='LI']"; + + var result = document.evaluate(xpath, el, null, + XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); + + isBuggy = (result.snapshotLength !== 2); + el = null; + } + return isBuggy; + })(); + + return function() { + if (!Prototype.BrowserFeatures.XPath) return false; + + var e = this.expression; + + if (Prototype.Browser.WebKit && + (e.include("-of-type") || e.include(":empty"))) + return false; + + if ((/(\[[\w-]*?:|:checked)/).test(e)) + return false; + + if (IS_DESCENDANT_SELECTOR_BUGGY) return false; + + return true; + } + + })(), + + shouldUseSelectorsAPI: function() { + if (!Prototype.BrowserFeatures.SelectorsAPI) return false; + + if (Selector.CASE_INSENSITIVE_CLASS_NAMES) return false; + + if (!Selector._div) Selector._div = new Element('div'); + + try { + Selector._div.querySelector(this.expression); + } catch(e) { + return false; + } + + return true; + }, + + compileMatcher: function() { + var e = this.expression, ps = Selector.patterns, h = Selector.handlers, + c = Selector.criteria, le, p, m, len = ps.length, name; + + if (Selector._cache[e]) { + this.matcher = Selector._cache[e]; + return; + } + + this.matcher = ["this.matcher = function(root) {", + "var r = root, h = Selector.handlers, c = false, n;"]; + + while (e && le != e && (/\S/).test(e)) { + le = e; + for (var i = 0; i<len; i++) { + p = ps[i].re; + name = ps[i].name; + if (m = e.match(p)) { + this.matcher.push(Object.isFunction(c[name]) ? c[name](m) : + new Template(c[name]).evaluate(m)); + e = e.replace(m[0], ''); + break; + } + } + } + + this.matcher.push("return h.unique(n);\n}"); + eval(this.matcher.join('\n')); + Selector._cache[this.expression] = this.matcher; + }, + + compileXPathMatcher: function() { + var e = this.expression, ps = Selector.patterns, + x = Selector.xpath, le, m, len = ps.length, name; + + if (Selector._cache[e]) { + this.xpath = Selector._cache[e]; return; + } + + this.matcher = ['.//*']; + while (e && le != e && (/\S/).test(e)) { + le = e; + for (var i = 0; i<len; i++) { + name = ps[i].name; + if (m = e.match(ps[i].re)) { + this.matcher.push(Object.isFunction(x[name]) ? x[name](m) : + new Template(x[name]).evaluate(m)); + e = e.replace(m[0], ''); + break; + } + } + } + + this.xpath = this.matcher.join(''); + Selector._cache[this.expression] = this.xpath; + }, + + findElements: function(root) { + root = root || document; + var e = this.expression, results; + + switch (this.mode) { + case 'selectorsAPI': + if (root !== document) { + var oldId = root.id, id = $(root).identify(); + id = id.replace(/([\.:])/g, "\\$1"); + e = "#" + id + " " + e; + } + + results = $A(root.querySelectorAll(e)).map(Element.extend); + root.id = oldId; + + return results; + case 'xpath': + return document._getElementsByXPath(this.xpath, root); + default: + return this.matcher(root); + } + }, + + match: function(element) { + this.tokens = []; + + var e = this.expression, ps = Selector.patterns, as = Selector.assertions; + var le, p, m, len = ps.length, name; + + while (e && le !== e && (/\S/).test(e)) { + le = e; + for (var i = 0; i<len; i++) { + p = ps[i].re; + name = ps[i].name; + if (m = e.match(p)) { + if (as[name]) { + this.tokens.push([name, Object.clone(m)]); + e = e.replace(m[0], ''); + } else { + return this.findElements(document).include(element); + } + } + } + } + + var match = true, name, matches; + for (var i = 0, token; token = this.tokens[i]; i++) { + name = token[0], matches = token[1]; + if (!Selector.assertions[name](element, matches)) { + match = false; break; + } + } + + return match; + }, + + toString: function() { + return this.expression; + }, + + inspect: function() { + return "#<Selector:" + this.expression.inspect() + ">"; + } +}); + +if (Prototype.BrowserFeatures.SelectorsAPI && + document.compatMode === 'BackCompat') { + Selector.CASE_INSENSITIVE_CLASS_NAMES = (function(){ + var div = document.createElement('div'), + span = document.createElement('span'); + + div.id = "prototype_test_id"; + span.className = 'Test'; + div.appendChild(span); + var isIgnored = (div.querySelector('#prototype_test_id .test') !== null); + div = span = null; + return isIgnored; + })(); +} + +Object.extend(Selector, { + _cache: { }, + + xpath: { + descendant: "//*", + child: "/*", + adjacent: "/following-sibling::*[1]", + laterSibling: '/following-sibling::*', + tagName: function(m) { + if (m[1] == '*') return ''; + return "[local-name()='" + m[1].toLowerCase() + + "' or local-name()='" + m[1].toUpperCase() + "']"; + }, + className: "[contains(concat(' ', @class, ' '), ' #{1} ')]", + id: "[@id='#{1}']", + attrPresence: function(m) { + m[1] = m[1].toLowerCase(); + return new Template("[@#{1}]").evaluate(m); + }, + attr: function(m) { + m[1] = m[1].toLowerCase(); + m[3] = m[5] || m[6]; + return new Template(Selector.xpath.operators[m[2]]).evaluate(m); + }, + pseudo: function(m) { + var h = Selector.xpath.pseudos[m[1]]; + if (!h) return ''; + if (Object.isFunction(h)) return h(m); + return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m); + }, + operators: { + '=': "[@#{1}='#{3}']", + '!=': "[@#{1}!='#{3}']", + '^=': "[starts-with(@#{1}, '#{3}')]", + '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']", + '*=': "[contains(@#{1}, '#{3}')]", + '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]", + '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]" + }, + pseudos: { + 'first-child': '[not(preceding-sibling::*)]', + 'last-child': '[not(following-sibling::*)]', + 'only-child': '[not(preceding-sibling::* or following-sibling::*)]', + 'empty': "[count(*) = 0 and (count(text()) = 0)]", + 'checked': "[@checked]", + 'disabled': "[(@disabled) and (@type!='hidden')]", + 'enabled': "[not(@disabled) and (@type!='hidden')]", + 'not': function(m) { + var e = m[6], p = Selector.patterns, + x = Selector.xpath, le, v, len = p.length, name; + + var exclusion = []; + while (e && le != e && (/\S/).test(e)) { + le = e; + for (var i = 0; i<len; i++) { + name = p[i].name + if (m = e.match(p[i].re)) { + v = Object.isFunction(x[name]) ? x[name](m) : new Template(x[name]).evaluate(m); + exclusion.push("(" + v.substring(1, v.length - 1) + ")"); + e = e.replace(m[0], ''); + break; + } + } + } + return "[not(" + exclusion.join(" and ") + ")]"; + }, + 'nth-child': function(m) { + return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m); + }, + 'nth-last-child': function(m) { + return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m); + }, + 'nth-of-type': function(m) { + return Selector.xpath.pseudos.nth("position() ", m); + }, + 'nth-last-of-type': function(m) { + return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m); + }, + 'first-of-type': function(m) { + m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m); + }, + 'last-of-type': function(m) { + m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m); + }, + 'only-of-type': function(m) { + var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m); + }, + nth: function(fragment, m) { + var mm, formula = m[6], predicate; + if (formula == 'even') formula = '2n+0'; + if (formula == 'odd') formula = '2n+1'; + if (mm = formula.match(/^(\d+)$/)) // digit only + return '[' + fragment + "= " + mm[1] + ']'; + if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b + if (mm[1] == "-") mm[1] = -1; + var a = mm[1] ? Number(mm[1]) : 1; + var b = mm[2] ? Number(mm[2]) : 0; + predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " + + "((#{fragment} - #{b}) div #{a} >= 0)]"; + return new Template(predicate).evaluate({ + fragment: fragment, a: a, b: b }); + } + } + } + }, + + criteria: { + tagName: 'n = h.tagName(n, r, "#{1}", c); c = false;', + className: 'n = h.className(n, r, "#{1}", c); c = false;', + id: 'n = h.id(n, r, "#{1}", c); c = false;', + attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;', + attr: function(m) { + m[3] = (m[5] || m[6]); + return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m); + }, + pseudo: function(m) { + if (m[6]) m[6] = m[6].replace(/"/g, '\\"'); + return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m); + }, + descendant: 'c = "descendant";', + child: 'c = "child";', + adjacent: 'c = "adjacent";', + laterSibling: 'c = "laterSibling";' + }, + + patterns: [ + { name: 'laterSibling', re: /^\s*~\s*/ }, + { name: 'child', re: /^\s*>\s*/ }, + { name: 'adjacent', re: /^\s*\+\s*/ }, + { name: 'descendant', re: /^\s/ }, + + { name: 'tagName', re: /^\s*(\*|[\w\-]+)(\b|$)?/ }, + { name: 'id', re: /^#([\w\-\*]+)(\b|$)/ }, + { name: 'className', re: /^\.([\w\-\*]+)(\b|$)/ }, + { name: 'pseudo', re: /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/ }, + { name: 'attrPresence', re: /^\[((?:[\w-]+:)?[\w-]+)\]/ }, + { name: 'attr', re: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/ } + ], + + assertions: { + tagName: function(element, matches) { + return matches[1].toUpperCase() == element.tagName.toUpperCase(); + }, + + className: function(element, matches) { + return Element.hasClassName(element, matches[1]); + }, + + id: function(element, matches) { + return element.id === matches[1]; + }, + + attrPresence: function(element, matches) { + return Element.hasAttribute(element, matches[1]); + }, + + attr: function(element, matches) { + var nodeValue = Element.readAttribute(element, matches[1]); + return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]); + } + }, + + handlers: { + concat: function(a, b) { + for (var i = 0, node; node = b[i]; i++) + a.push(node); + return a; + }, + + mark: function(nodes) { + var _true = Prototype.emptyFunction; + for (var i = 0, node; node = nodes[i]; i++) + node._countedByPrototype = _true; + return nodes; + }, + + unmark: (function(){ + + var PROPERTIES_ATTRIBUTES_MAP = (function(){ + var el = document.createElement('div'), + isBuggy = false, + propName = '_countedByPrototype', + value = 'x' + el[propName] = value; + isBuggy = (el.getAttribute(propName) === value); + el = null; + return isBuggy; + })(); + + return PROPERTIES_ATTRIBUTES_MAP ? + function(nodes) { + for (var i = 0, node; node = nodes[i]; i++) + node.removeAttribute('_countedByPrototype'); + return nodes; + } : + function(nodes) { + for (var i = 0, node; node = nodes[i]; i++) + node._countedByPrototype = void 0; + return nodes; + } + })(), + + index: function(parentNode, reverse, ofType) { + parentNode._countedByPrototype = Prototype.emptyFunction; + if (reverse) { + for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) { + var node = nodes[i]; + if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++; + } + } else { + for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++) + if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++; + } + }, + + unique: function(nodes) { + if (nodes.length == 0) return nodes; + var results = [], n; + for (var i = 0, l = nodes.length; i < l; i++) + if (typeof (n = nodes[i])._countedByPrototype == 'undefined') { + n._countedByPrototype = Prototype.emptyFunction; + results.push(Element.extend(n)); + } + return Selector.handlers.unmark(results); + }, + + descendant: function(nodes) { + var h = Selector.handlers; + for (var i = 0, results = [], node; node = nodes[i]; i++) + h.concat(results, node.getElementsByTagName('*')); + return results; + }, + + child: function(nodes) { + var h = Selector.handlers; + for (var i = 0, results = [], node; node = nodes[i]; i++) { + for (var j = 0, child; child = node.childNodes[j]; j++) + if (child.nodeType == 1 && child.tagName != '!') results.push(child); + } + return results; + }, + + adjacent: function(nodes) { + for (var i = 0, results = [], node; node = nodes[i]; i++) { + var next = this.nextElementSibling(node); + if (next) results.push(next); + } + return results; + }, + + laterSibling: function(nodes) { + var h = Selector.handlers; + for (var i = 0, results = [], node; node = nodes[i]; i++) + h.concat(results, Element.nextSiblings(node)); + return results; + }, + + nextElementSibling: function(node) { + while (node = node.nextSibling) + if (node.nodeType == 1) return node; + return null; + }, + + previousElementSibling: function(node) { + while (node = node.previousSibling) + if (node.nodeType == 1) return node; + return null; + }, + + tagName: function(nodes, root, tagName, combinator) { + var uTagName = tagName.toUpperCase(); + var results = [], h = Selector.handlers; + if (nodes) { + if (combinator) { + if (combinator == "descendant") { + for (var i = 0, node; node = nodes[i]; i++) + h.concat(results, node.getElementsByTagName(tagName)); + return results; + } else nodes = this[combinator](nodes); + if (tagName == "*") return nodes; + } + for (var i = 0, node; node = nodes[i]; i++) + if (node.tagName.toUpperCase() === uTagName) results.push(node); + return results; + } else return root.getElementsByTagName(tagName); + }, + + id: function(nodes, root, id, combinator) { + var targetNode = $(id), h = Selector.handlers; + + if (root == document) { + if (!targetNode) return []; + if (!nodes) return [targetNode]; + } else { + if (!root.sourceIndex || root.sourceIndex < 1) { + var nodes = root.getElementsByTagName('*'); + for (var j = 0, node; node = nodes[j]; j++) { + if (node.id === id) return [node]; + } + } + } + + if (nodes) { + if (combinator) { + if (combinator == 'child') { + for (var i = 0, node; node = nodes[i]; i++) + if (targetNode.parentNode == node) return [targetNode]; + } else if (combinator == 'descendant') { + for (var i = 0, node; node = nodes[i]; i++) + if (Element.descendantOf(targetNode, node)) return [targetNode]; + } else if (combinator == 'adjacent') { + for (var i = 0, node; node = nodes[i]; i++) + if (Selector.handlers.previousElementSibling(targetNode) == node) + return [targetNode]; + } else nodes = h[combinator](nodes); + } + for (var i = 0, node; node = nodes[i]; i++) + if (node == targetNode) return [targetNode]; + return []; + } + return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : []; + }, + + className: function(nodes, root, className, combinator) { + if (nodes && combinator) nodes = this[combinator](nodes); + return Selector.handlers.byClassName(nodes, root, className); + }, + + byClassName: function(nodes, root, className) { + if (!nodes) nodes = Selector.handlers.descendant([root]); + var needle = ' ' + className + ' '; + for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) { + nodeClassName = node.className; + if (nodeClassName.length == 0) continue; + if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle)) + results.push(node); + } + return results; + }, + + attrPresence: function(nodes, root, attr, combinator) { + if (!nodes) nodes = root.getElementsByTagName("*"); + if (nodes && combinator) nodes = this[combinator](nodes); + var results = []; + for (var i = 0, node; node = nodes[i]; i++) + if (Element.hasAttribute(node, attr)) results.push(node); + return results; + }, + + attr: function(nodes, root, attr, value, operator, combinator) { + if (!nodes) nodes = root.getElementsByTagName("*"); + if (nodes && combinator) nodes = this[combinator](nodes); + var handler = Selector.operators[operator], results = []; + for (var i = 0, node; node = nodes[i]; i++) { + var nodeValue = Element.readAttribute(node, attr); + if (nodeValue === null) continue; + if (handler(nodeValue, value)) results.push(node); + } + return results; + }, + + pseudo: function(nodes, name, value, root, combinator) { + if (nodes && combinator) nodes = this[combinator](nodes); + if (!nodes) nodes = root.getElementsByTagName("*"); + return Selector.pseudos[name](nodes, value, root); + } + }, + + pseudos: { + 'first-child': function(nodes, value, root) { + for (var i = 0, results = [], node; node = nodes[i]; i++) { + if (Selector.handlers.previousElementSibling(node)) continue; + results.push(node); + } + return results; + }, + 'last-child': function(nodes, value, root) { + for (var i = 0, results = [], node; node = nodes[i]; i++) { + if (Selector.handlers.nextElementSibling(node)) continue; + results.push(node); + } + return results; + }, + 'only-child': function(nodes, value, root) { + var h = Selector.handlers; + for (var i = 0, results = [], node; node = nodes[i]; i++) + if (!h.previousElementSibling(node) && !h.nextElementSibling(node)) + results.push(node); + return results; + }, + 'nth-child': function(nodes, formula, root) { + return Selector.pseudos.nth(nodes, formula, root); + }, + 'nth-last-child': function(nodes, formula, root) { + return Selector.pseudos.nth(nodes, formula, root, true); + }, + 'nth-of-type': function(nodes, formula, root) { + return Selector.pseudos.nth(nodes, formula, root, false, true); + }, + 'nth-last-of-type': function(nodes, formula, root) { + return Selector.pseudos.nth(nodes, formula, root, true, true); + }, + 'first-of-type': function(nodes, formula, root) { + return Selector.pseudos.nth(nodes, "1", root, false, true); + }, + 'last-of-type': function(nodes, formula, root) { + return Selector.pseudos.nth(nodes, "1", root, true, true); + }, + 'only-of-type': function(nodes, formula, root) { + var p = Selector.pseudos; + return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root); + }, + + getIndices: function(a, b, total) { + if (a == 0) return b > 0 ? [b] : []; + return $R(1, total).inject([], function(memo, i) { + if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i); + return memo; + }); + }, + + nth: function(nodes, formula, root, reverse, ofType) { + if (nodes.length == 0) return []; + if (formula == 'even') formula = '2n+0'; + if (formula == 'odd') formula = '2n+1'; + var h = Selector.handlers, results = [], indexed = [], m; + h.mark(nodes); + for (var i = 0, node; node = nodes[i]; i++) { + if (!node.parentNode._countedByPrototype) { + h.index(node.parentNode, reverse, ofType); + indexed.push(node.parentNode); + } + } + if (formula.match(/^\d+$/)) { // just a number + formula = Number(formula); + for (var i = 0, node; node = nodes[i]; i++) + if (node.nodeIndex == formula) results.push(node); + } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b + if (m[1] == "-") m[1] = -1; + var a = m[1] ? Number(m[1]) : 1; + var b = m[2] ? Number(m[2]) : 0; + var indices = Selector.pseudos.getIndices(a, b, nodes.length); + for (var i = 0, node, l = indices.length; node = nodes[i]; i++) { + for (var j = 0; j < l; j++) + if (node.nodeIndex == indices[j]) results.push(node); + } + } + h.unmark(nodes); + h.unmark(indexed); + return results; + }, + + 'empty': function(nodes, value, root) { + for (var i = 0, results = [], node; node = nodes[i]; i++) { + if (node.tagName == '!' || node.firstChild) continue; + results.push(node); + } + return results; + }, + + 'not': function(nodes, selector, root) { + var h = Selector.handlers, selectorType, m; + var exclusions = new Selector(selector).findElements(root); + h.mark(exclusions); + for (var i = 0, results = [], node; node = nodes[i]; i++) + if (!node._countedByPrototype) results.push(node); + h.unmark(exclusions); + return results; + }, + + 'enabled': function(nodes, value, root) { + for (var i = 0, results = [], node; node = nodes[i]; i++) + if (!node.disabled && (!node.type || node.type !== 'hidden')) + results.push(node); + return results; + }, + + 'disabled': function(nodes, value, root) { + for (var i = 0, results = [], node; node = nodes[i]; i++) + if (node.disabled) results.push(node); + return results; + }, + + 'checked': function(nodes, value, root) { + for (var i = 0, results = [], node; node = nodes[i]; i++) + if (node.checked) results.push(node); + return results; + } + }, + + operators: { + '=': function(nv, v) { return nv == v; }, + '!=': function(nv, v) { return nv != v; }, + '^=': function(nv, v) { return nv == v || nv && nv.startsWith(v); }, + '$=': function(nv, v) { return nv == v || nv && nv.endsWith(v); }, + '*=': function(nv, v) { return nv == v || nv && nv.include(v); }, + '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); }, + '|=': function(nv, v) { return ('-' + (nv || "").toUpperCase() + + '-').include('-' + (v || "").toUpperCase() + '-'); } + }, + + split: function(expression) { + var expressions = []; + expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) { + expressions.push(m[1].strip()); + }); + return expressions; + }, + + matchElements: function(elements, expression) { + var matches = $$(expression), h = Selector.handlers; + h.mark(matches); + for (var i = 0, results = [], element; element = elements[i]; i++) + if (element._countedByPrototype) results.push(element); + h.unmark(matches); + return results; + }, + + findElement: function(elements, expression, index) { + if (Object.isNumber(expression)) { + index = expression; expression = false; + } + return Selector.matchElements(elements, expression || '*')[index || 0]; + }, + + findChildElements: function(element, expressions) { + expressions = Selector.split(expressions.join(',')); + var results = [], h = Selector.handlers; + for (var i = 0, l = expressions.length, selector; i < l; i++) { + selector = new Selector(expressions[i].strip()); + h.concat(results, selector.findElements(element)); + } + return (l > 1) ? h.unique(results) : results; + } +}); + +if (Prototype.Browser.IE) { + Object.extend(Selector.handlers, { + concat: function(a, b) { + for (var i = 0, node; node = b[i]; i++) + if (node.tagName !== "!") a.push(node); + return a; + } + }); +} + +function $$() { + return Selector.findChildElements(document, $A(arguments)); +} + +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; + + var data = elements.inject({ }, 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)))) { + if (key in result) { + if (!Object.isArray(result[key])) result[key] = [result[key]]; + result[key].push(value); + } + else result[key] = value; + } + } + return result; + }); + + return options.hash ? data : Object.toQueryString(data); + } +}; + +Form.Methods = { + serialize: function(form, options) { + return Form.serializeElements(Form.getElements(form), options); + }, + + getElements: function(form) { + var elements = $(form).getElementsByTagName('*'), + element, + arr = [ ], + serializers = Form.Element.Serializers; + for (var i = 0; element = elements[i]; i++) { + arr.push(element); + } + return arr.inject([], function(elements, child) { + if (serializers[child.tagName.toLowerCase()]) + elements.push(Element.extend(child)); + return elements; + }) + }, + + 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); + form.findFirstElement().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 $F = Form.Element.Methods.getValue; + +/*--------------------------------------------------------------------------*/ + +Form.Element.Serializers = { + input: function(element, value) { + switch (element.type.toLowerCase()) { + case 'checkbox': + case 'radio': + return Form.Element.Serializers.inputSelector(element, value); + default: + return Form.Element.Serializers.textarea(element, value); + } + }, + + inputSelector: function(element, value) { + if (Object.isUndefined(value)) return element.checked ? element.value : null; + else element.checked = !!value; + }, + + textarea: function(element, value) { + if (Object.isUndefined(value)) return element.value; + else element.value = value; + }, + + select: function(element, value) { + if (Object.isUndefined(value)) + return this[element.type == 'select-one' ? + 'selectOne' : 'selectMany'](element); + else { + var opt, currentValue, single = !Object.isArray(value); + for (var i = 0, length = element.length; i < length; i++) { + opt = element.options[i]; + currentValue = this.optionValue(opt); + if (single) { + if (currentValue == value) { + opt.selected = true; + return; + } + } + else opt.selected = value.include(currentValue); + } + } + }, + + selectOne: function(element) { + var index = element.selectedIndex; + return index >= 0 ? this.optionValue(element.options[index]) : null; + }, + + selectMany: function(element) { + var values, length = element.length; + if (!length) return null; + + for (var i = 0, values = []; i < length; i++) { + var opt = element.options[i]; + if (opt.selected) values.push(this.optionValue(opt)); + } + return values; + }, + + optionValue: function(opt) { + return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text; + } +}; + +/*--------------------------------------------------------------------------*/ + + +Abstract.TimedObserver = Class.create(PeriodicalExecuter, { + initialize: function($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() { + + 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, + + cache: {} + }; + + var docEl = document.documentElement; + var MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED = 'onmouseenter' in docEl + && 'onmouseleave' in docEl; + + var _isButton; + if (Prototype.Browser.IE) { + var buttonMap = { 0: 1, 1: 4, 2: 2 }; + _isButton = function(event, code) { + return event.button === buttonMap[code]; + }; + } else if (Prototype.Browser.WebKit) { + _isButton = function(event, code) { + switch (code) { + case 0: return event.which == 1 && !event.metaKey; + case 1: return event.which == 1 && event.metaKey; + default: return false; + } + }; + } else { + _isButton = function(event, code) { + return event.which ? (event.which === code + 1) : (event.button === code); + }; + } + + function isLeftClick(event) { return _isButton(event, 0) } + + function isMiddleClick(event) { return _isButton(event, 1) } + + function isRightClick(event) { return _isButton(event, 2) } + + 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; + } + + if (node.nodeType == Node.TEXT_NODE) + node = node.parentNode; + + return Element.extend(node); + } + + function findElement(event, expression) { + var element = Event.element(event); + if (!expression) return element; + var elements = [element].concat(element.ancestors()); + return Selector.findElement(elements, expression, 0); + } + + 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 (Prototype.Browser.IE) { + function _relatedTarget(event) { + var element; + switch (event.type) { + case 'mouseover': element = event.fromElement; break; + case 'mouseout': element = event.toElement; break; + default: return null; + } + return Element.extend(element); + } + + Object.extend(methods, { + 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 (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 + }); + + return Object.extend(event, methods); + }; + } else { + Event.prototype = window.Event.prototype || document.createEvent('HTMLEvents').__proto__; + Object.extend(Event.prototype, methods); + Event.extend = Prototype.K; + } + + function _createResponder(element, eventName, handler) { + var registry = Element.retrieve(element, 'prototype_event_registry'); + + if (Object.isUndefined(registry)) { + CACHE.push(element); + registry = Element.retrieve(element, 'prototype_event_registry', $H()); + } + + var respondersForEvent = registry.get(eventName); + if (Object.isUndefined(respondersForEvent)) { + respondersForEvent = []; + registry.set(eventName, respondersForEvent); + } + + if (respondersForEvent.pluck('handler').include(handler)) return false; + + var responder; + if (eventName.include(":")) { + responder = function(event) { + if (Object.isUndefined(event.eventName)) + return false; + + if (event.eventName !== eventName) + return false; + + Event.extend(event, element); + handler.call(element, event); + }; + } else { + if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED && + (eventName === "mouseenter" || eventName === "mouseleave")) { + if (eventName === "mouseenter" || eventName === "mouseleave") { + responder = function(event) { + 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); + }; + } + } else { + responder = function(event) { + Event.extend(event, element); + handler.call(element, event); + }; + } + } + + responder.handler = handler; + respondersForEvent.push(responder); + return responder; + } + + function _destroyCache() { + for (var i = 0, length = CACHE.length; i < length; i++) { + Event.stopObserving(CACHE[i]); + CACHE[i] = null; + } + } + + var CACHE = []; + + if (Prototype.Browser.IE) + window.attachEvent('onunload', _destroyCache); + + if (Prototype.Browser.WebKit) + window.addEventListener('unload', Prototype.emptyFunction, false); + + + var _getDOMEventName = Prototype.K; + + if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED) { + _getDOMEventName = function(eventName) { + var translations = { mouseenter: "mouseover", mouseleave: "mouseout" }; + return eventName in translations ? translations[eventName] : eventName; + }; + } + + function observe(element, eventName, handler) { + element = $(element); + + var responder = _createResponder(element, eventName, handler); + + if (!responder) return element; + + if (eventName.include(':')) { + if (element.addEventListener) + element.addEventListener("dataavailable", responder, false); + else { + element.attachEvent("ondataavailable", responder); + element.attachEvent("onfilterchange", responder); + } + } else { + var actualEventName = _getDOMEventName(eventName); + + if (element.addEventListener) + element.addEventListener(actualEventName, responder, false); + else + element.attachEvent("on" + actualEventName, responder); + } + + return element; + } + + function stopObserving(element, eventName, handler) { + element = $(element); + + var registry = Element.retrieve(element, 'prototype_event_registry'); + + if (Object.isUndefined(registry)) return element; + + if (eventName && !handler) { + var responders = registry.get(eventName); + + if (Object.isUndefined(responders)) return element; + + responders.each( function(r) { + Element.stopObserving(element, eventName, r.handler); + }); + return element; + } else if (!eventName) { + registry.each( function(pair) { + var eventName = pair.key, responders = pair.value; + + responders.each( function(r) { + Element.stopObserving(element, eventName, r.handler); + }); + }); + return element; + } + + var responders = registry.get(eventName); + + if (!responders) return; + + var responder = responders.find( function(r) { return r.handler === handler; }); + if (!responder) return element; + + var actualEventName = _getDOMEventName(eventName); + + if (eventName.include(':')) { + if (element.removeEventListener) + element.removeEventListener("dataavailable", responder, false); + else { + element.detachEvent("ondataavailable", responder); + element.detachEvent("onfilterchange", responder); + } + } else { + if (element.removeEventListener) + element.removeEventListener(actualEventName, responder, false); + else + element.detachEvent('on' + actualEventName, responder); + } + + registry.set(eventName, responders.without(responder)); + + return element; + } + + function fire(element, eventName, memo, bubble) { + element = $(element); + + if (Object.isUndefined(bubble)) + bubble = true; + + if (element == document && document.createEvent && !element.dispatchEvent) + element = document.documentElement; + + var event; + if (document.createEvent) { + event = document.createEvent('HTMLEvents'); + event.initEvent('dataavailable', true, true); + } else { + event = document.createEventObject(); + event.eventType = bubble ? 'ondataavailable' : 'onfilterchange'; + } + + event.eventName = eventName; + event.memo = memo || { }; + + if (document.createEvent) + element.dispatchEvent(event); + else + element.fireEvent(event.eventType, event); + + return Event.extend(event); + } + + + Object.extend(Event, Event.Methods); + + Object.extend(Event, { + fire: fire, + observe: observe, + stopObserving: stopObserving + }); + + Element.addMethods({ + fire: fire, + + observe: observe, + + stopObserving: stopObserving + }); + + Object.extend(document, { + fire: fire.methodize(), + + observe: observe.methodize(), + + stopObserving: stopObserving.methodize(), + + loaded: false + }); + + if (window.Event) Object.extend(window.Event, Event); + else window.Event = Event; +})(); + +(function() { + /* 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.stopObserving('readystatechange', checkReadyState); + fireContentLoadedEvent(); + } + } + + function pollDoScroll() { + try { document.documentElement.doScroll('left'); } + catch(e) { + timer = pollDoScroll.defer(); + return; + } + fireContentLoadedEvent(); + } + + if (document.addEventListener) { + document.addEventListener('DOMContentLoaded', fireContentLoadedEvent, false); + } else { + document.observe('readystatechange', checkReadyState); + if (window == top) + timer = pollDoScroll.defer(); + } + + Event.observe(window, 'load', fireContentLoadedEvent); +})(); + +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 = $(element); + }, + + _each: function(iterator) { + this.element.className.split(/\s+/).select(function(name) { + return name.length > 0; + })._each(iterator); + }, + + set: function(className) { + this.element.className = className; + }, + + add: function(classNameToAdd) { + if (this.include(classNameToAdd)) return; + this.set($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); + +/*--------------------------------------------------------------------------*/ |