/* 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: ‘‘, JSONFilter: /^/*-secure-([sS]*)*/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(///.*?[rn]|/*(?:.|[rn])*?*//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(/])+)?>|/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(/,'<‘).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-zd])([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, '$1'); } function isJSON() { var str = this; if (str.blank()) return false; str = this.replace(/./g, '@').replace(/"[^"nr]*"/g, ''); return (/^[,:{}[]0-9.-+Eaeflnr-u nrt]*$/).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 ‘#‘; } 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 '#‘; } 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 = “

‘, ”, 1], TBODY: [‘
‘, ”, 2], TR: [‘
‘, ”, 3], TD: [‘
‘, ”, 4], SELECT: [‘