var Prototype = { Version: '1.6.0.3', Browser: { IE: !!(window.attachEvent && navigator.userAgent.indexOf('Opera') === -1), Opera: navigator.userAgent.indexOf('Opera') > -1, WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1, Gecko: navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') === -1, MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/) }, BrowserFeatures: { XPath: !!document.evaluate, SelectorsAPI: !!document.querySelector, ElementExtensions: !!window.HTMLElement, SpecificElementExtensions: document.createElement('div')['__proto__'] && document.createElement('div')['__proto__'] !== document.createElement('form')['__proto__'] }, 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 Class = { create: function() {
        var parent = null, properties = $A(arguments); if (Object.isFunction(properties[0]))
            parent = properties.shift(); function klass() { this.initialize.apply(this, arguments); }
        Object.extend(klass, Class.Methods); klass.superclass = parent; klass.subclasses = []; if (parent) { var subclass = function() { }; subclass.prototype = parent.prototype; klass.prototype = new subclass; parent.subclasses.push(klass); }
        for (var i = 0; i < properties.length; i++)
            klass.addMethods(properties[i]); if (!klass.prototype.initialize)
            klass.prototype.initialize = Prototype.emptyFunction; klass.prototype.constructor = klass; return klass;
    } 
    }; Class.Methods = { addMethods: function(source) {
        var ancestor = this.superclass && this.superclass.prototype; var properties = Object.keys(source); if (!Object.keys({ toString: true }).length)
            properties.push("toString", "valueOf"); for (var i = 0, length = properties.length; i < length; i++) {
            var property = properties[i], value = source[property]; if (ancestor && Object.isFunction(value) && value.argumentNames().first() == "$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;
    } 
    }; var Abstract = {}; Object.extend = function(destination, source) {
        for (var property in source)
            destination[property] = source[property]; return destination;
    }; Object.extend(Object, { inspect: function(object) { try { if (Object.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; } }, toJSON: function(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 (Object.isElement(object)) return; var results = []; for (var property in object) {
            var value = Object.toJSON(object[property]); if (!Object.isUndefined(value))
                results.push(property.toJSON() + ': ' + value);
        }
        return '{' + results.join(', ') + '}';
    }, toQueryString: function(object) { return $H(object).toQueryString(); }, toHTML: function(object) { return object && object.toHTML ? object.toHTML() : String.interpret(object); }, keys: function(object) {
        var keys = []; for (var property in object)
            keys.push(property); return keys;
    }, values: function(object) {
        var values = []; for (var property in object)
            values.push(object[property]); return values;
    }, clone: function(object) { return Object.extend({}, object); }, isElement: function(object) { return !!(object && object.nodeType == 1); }, isArray: function(object) { return object != null && typeof object == "object" && 'splice' in object && 'join' in object; }, isHash: function(object) { return object instanceof Hash; }, isFunction: function(object) { return typeof object == "function"; }, isString: function(object) { return typeof object == "string"; }, isNumber: function(object) { return typeof object == "number"; }, isUndefined: function(object) { return typeof object == "undefined"; } 
    }); Object.extend(Function.prototype, { argumentNames: function() { var names = this.toString().match(/^[\s\(]*function[^(]*\(([^\)]*)\)/)[1].replace(/\s+/g, '').split(','); return names.length == 1 && !names[0] ? [] : names; }, bind: function() { if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this; var __method = this, args = $A(arguments), object = args.shift(); return function() { return __method.apply(object, args.concat($A(arguments))); } }, bindAsEventListener: function() { var __method = this, args = $A(arguments), object = args.shift(); return function(event) { return __method.apply(object, [event || window.event].concat(args)); } }, curry: function() { if (!arguments.length) return this; var __method = this, args = $A(arguments); return function() { return __method.apply(this, args.concat($A(arguments))); } }, delay: function() { var __method = this, args = $A(arguments), timeout = args.shift() * 1000; return window.setTimeout(function() { return __method.apply(__method, args); }, timeout); }, defer: function() { var args = [0.01].concat($A(arguments)); return this.delay.apply(this, args); }, wrap: function(wrapper) { var __method = this; return function() { return wrapper.apply(this, [__method.bind(this)].concat($A(arguments))); } }, methodize: function() { if (this._methodized) return this._methodized; var __method = this; return this._methodized = function() { return __method.apply(null, [this].concat($A(arguments))); }; } }); 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"';
    }; 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;
    } 
    }; 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(); } finally { this.currentlyExecuting = false; } } } }); 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, { gsub: function(pattern, replacement) {
        var result = '', source = this, match; replacement = arguments.callee.prepareReplacement(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;
    }, sub: function(pattern, replacement, count) { replacement = this.gsub.prepareReplacement(replacement); count = Object.isUndefined(count) ? 1 : count; return this.gsub(pattern, function(match) { if (--count < 0) return match[0]; return replacement(match); }); }, scan: function(pattern, iterator) { this.gsub(pattern, iterator); return String(this); }, truncate: function(length, truncation) { length = length || 30; truncation = Object.isUndefined(truncation) ? '...' : truncation; return this.length > length ? this.slice(0, length - truncation.length) + truncation : String(this); }, strip: function() { return this.replace(/^\s+/, '').replace(/\s+$/, ''); }, stripTags: function() { return this.replace(/<\/?[^>]+>/gi, ''); }, stripScripts: function() { return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), ''); }, extractScripts: function() { 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]; }); }, evalScripts: function() { return this.extractScripts().map(function(script) { return eval(script) }); }, escapeHTML: function() { var self = arguments.callee; self.text.data = this; return self.div.innerHTML; }, unescapeHTML: function() { var div = new Element('div'); div.innerHTML = this.stripTags(); return div.childNodes[0] ? (div.childNodes.length > 1 ? $A(div.childNodes).inject('', function(memo, node) { return memo + node.nodeValue }) : div.childNodes[0].nodeValue) : ''; }, toQueryParams: function(separator) {
        var match = this.strip().match(/([^?#]*)(#.*)?$/); 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;
        });
    }, toArray: function() { return this.split(''); }, succ: function() {
        return this.slice(0, this.length - 1) +
String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
    }, times: function(count) { return count < 1 ? '' : new Array(count + 1).join(this); }, camelize: function() {
        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;
    }, capitalize: function() { return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase(); }, underscore: function() { return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/, '#{1}_#{2}').gsub(/([a-z\d])([A-Z])/, '#{1}_#{2}').gsub(/-/, '_').toLowerCase(); }, dasherize: function() { return this.gsub(/_/, '-'); }, inspect: function(useDoubleQuotes) { var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) { var character = String.specialChar[match[0]]; return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16); }); if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"'; return "'" + escapedString.replace(/'/g, '\\\'') + "'"; }, toJSON: function() { return this.inspect(true); }, unfilterJSON: function(filter) { return this.sub(filter || Prototype.JSONFilter, '#{1}'); }, isJSON: function() { var str = this; if (str.blank()) return false; str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, ''); return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str); }, evalJSON: function(sanitize) {
        var json = this.unfilterJSON(); try { if (!sanitize || json.isJSON()) return eval('(' + json + ')'); } catch (e) { }
        throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
    }, include: function(pattern) { return this.indexOf(pattern) > -1; }, startsWith: function(pattern) { return this.indexOf(pattern) === 0; }, endsWith: function(pattern) { var d = this.length - pattern.length; return d >= 0 && this.lastIndexOf(pattern) === d; }, empty: function() { return this == ''; }, blank: function() { return /^\s*$/.test(this); }, interpolate: function(object, pattern) { return new Template(this, pattern).evaluate(object); } 
    }); if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, { escapeHTML: function() { return this.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;'); }, unescapeHTML: function() { return this.stripTags().replace(/&amp;/g, '&').replace(/&lt;/g, '<').replace(/&gt;/g, '>'); } }); String.prototype.gsub.prepareReplacement = function(replacement) { if (Object.isFunction(replacement)) return replacement; var template = new Template(replacement); return function(match) { return template.evaluate(match) }; }; String.prototype.parseQuery = String.prototype.toQueryParams; Object.extend(String.prototype.escapeHTML, { div: document.createElement('div'), text: document.createTextNode('') }); String.prototype.escapeHTML.div.appendChild(String.prototype.escapeHTML.text); var Template = Class.create({ initialize: function(template, pattern) { this.template = template.toString(); this.pattern = pattern || Template.Pattern; }, evaluate: function(object) {
        if (Object.isFunction(object.toTemplateReplacements))
            object = object.toTemplateReplacements(); return this.template.gsub(this.pattern, function(match) {
                if (object == null) return ''; 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].gsub('\\\\]', ']') : 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 = { each: function(iterator, context) {
        var index = 0; try { this._each(function(value) { iterator.call(context, value, index++); }); } catch (e) { if (e != $break) throw e; }
        return this;
    }, eachSlice: function(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);
    }, all: function(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; }, any: function(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;
    }, collect: function(iterator, context) { iterator = iterator || Prototype.K; var results = []; this.each(function(value, index) { results.push(iterator.call(context, value, index)); }); return results; }, detect: function(iterator, context) { var result; this.each(function(value, index) { if (iterator.call(context, value, index)) { result = value; throw $break; } }); return result; }, findAll: function(iterator, context) {
        var results = []; this.each(function(value, index) {
            if (iterator.call(context, value, index))
                results.push(value);
        }); return results;
    }, grep: function(filter, iterator, context) {
        iterator = iterator || Prototype.K; var results = []; if (Object.isString(filter))
            filter = new RegExp(filter); this.each(function(value, index) {
                if (filter.match(value))
                    results.push(iterator.call(context, value, index));
            }); return results;
    }, include: function(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;
    }, inGroupsOf: function(number, fillWith) { fillWith = Object.isUndefined(fillWith) ? null : fillWith; return this.eachSlice(number, function(slice) { while (slice.length < number) slice.push(fillWith); return slice; }); }, inject: function(memo, iterator, context) { this.each(function(value, index) { memo = iterator.call(context, memo, value, index); }); return memo; }, invoke: function(method) { var args = $A(arguments).slice(1); return this.map(function(value) { return value[method].apply(value, args); }); }, max: function(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;
    }, min: function(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;
    }, partition: function(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]; }, pluck: function(property) { var results = []; this.each(function(value) { results.push(value[property]); }); return results; }, reject: function(iterator, context) {
        var results = []; this.each(function(value, index) {
            if (!iterator.call(context, value, index))
                results.push(value);
        }); return results;
    }, sortBy: function(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'); }, toArray: function() { return this.map(); }, zip: function() {
        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)); });
    }, size: function() { return this.toArray().length; }, inspect: function() { return '#<Enumerable:' + this.toArray().inspect() + '>'; } 
    }; Object.extend(Enumerable, { map: Enumerable.collect, find: Enumerable.detect, select: Enumerable.findAll, filter: Enumerable.findAll, member: Enumerable.include, entries: Enumerable.toArray, every: Enumerable.all, some: Enumerable.any }); function $A(iterable) { if (!iterable) return []; if (iterable.toArray) return iterable.toArray(); var length = iterable.length || 0, results = new Array(length); while (length--) results[length] = iterable[length]; return results; }
if (Prototype.Browser.WebKit) {
    $A = function(iterable) {
        if (!iterable) return []; if (!(typeof iterable === 'function' && typeof iterable.length === 'number' && typeof iterable.item === 'function') && iterable.toArray)
            return iterable.toArray(); var length = iterable.length || 0, results = new Array(length); while (length--) results[length] = iterable[length]; return results;
    };
}
Array.from = $A; Object.extend(Array.prototype, Enumerable); if (!Array.prototype._reverse) Array.prototype._reverse = Array.prototype.reverse; Object.extend(Array.prototype, { _each: function(iterator) {
    for (var i = 0, length = this.length; i < length; i++)
        iterator(this[i]);
}, clear: function() { this.length = 0; return this; }, first: function() { return this[0]; }, last: function() { return this[this.length - 1]; }, compact: function() { return this.select(function(value) { return value != null; }); }, flatten: function() { return this.inject([], function(array, value) { return array.concat(Object.isArray(value) ? value.flatten() : [value]); }); }, without: function() { var values = $A(arguments); return this.select(function(value) { return !values.include(value); }); }, reverse: function(inline) { return (inline !== false ? this : this.toArray())._reverse(); }, reduce: function() { return this.length > 1 ? this : this[0]; }, uniq: function(sorted) {
    return this.inject([], function(array, value, index) {
        if (0 == index || (sorted ? array.last() != value : !array.include(value)))
            array.push(value); return array;
    });
}, intersect: function(array) { return this.uniq().findAll(function(item) { return array.detect(function(value) { return item === value }); }); }, clone: function() { return [].concat(this); }, size: function() { return this.length; }, inspect: function() { return '[' + this.map(Object.inspect).join(', ') + ']'; }, toJSON: function() { var results = []; this.each(function(object) { var value = Object.toJSON(object); if (!Object.isUndefined(value)) results.push(value); }); return '[' + results.join(', ') + ']'; } 
}); if (Object.isFunction(Array.prototype.forEach))
    Array.prototype._each = Array.prototype.forEach; if (!Array.prototype.indexOf) Array.prototype.indexOf = function(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;
    }; if (!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(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; }; Array.prototype.toArray = Array.prototype.clone; function $w(string) { if (!Object.isString(string)) return []; string = string.strip(); return string ? string.split(/\s+/) : []; }
if (Prototype.Browser.Opera) {
    Array.prototype.concat = function() {
        var array = []; for (var i = 0, length = this.length; i < length; i++) array.push(this[i]); for (var i = 0, length = arguments.length; i < length; i++) {
            if (Object.isArray(arguments[i])) {
                for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
                    array.push(arguments[i][j]);
            } else { array.push(arguments[i]); } 
        }
        return array;
    };
}
Object.extend(Number.prototype, { toColorPart: function() { return this.toPaddedString(2, 16); }, succ: function() { return this + 1; }, times: function(iterator, context) { $R(0, this, true).each(iterator, context); return this; }, toPaddedString: function(length, radix) { var string = this.toString(radix || 10); return '0'.times(length - string.length) + string; }, toJSON: function() { return isFinite(this) ? this.toString() : 'null'; } }); $w('abs round ceil floor').each(function(method) { Number.prototype[method] = Math[method].methodize(); }); function $H(object) { return new Hash(object); }; var Hash = Class.create(Enumerable, (function() {
    function toQueryPair(key, value) { if (Object.isUndefined(value)) return key; return key + '=' + encodeURIComponent(String.interpret(value)); }
    return { initialize: function(object) { this._object = Object.isHash(object) ? object.toObject() : Object.clone(object); }, _each: function(iterator) { for (var key in this._object) { var value = this._object[key], pair = [key, value]; pair.key = key; pair.value = value; iterator(pair); } }, set: function(key, value) { return this._object[key] = value; }, get: function(key) {
        if (this._object[key] !== Object.prototype[key])
            return this._object[key];
    }, unset: function(key) { var value = this._object[key]; delete this._object[key]; return value; }, toObject: function() { return Object.clone(this._object); }, keys: function() { return this.pluck('key'); }, values: function() { return this.pluck('value'); }, index: function(value) { var match = this.detect(function(pair) { return pair.value === value; }); return match && match.key; }, merge: function(object) { return this.clone().update(object); }, update: function(object) { return new Hash(object).inject(this, function(result, pair) { result.set(pair.key, pair.value); return result; }); }, toQueryString: function() {
        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('&');
    }, inspect: function() { return '#<Hash:{' + this.map(function(pair) { return pair.map(Object.inspect).join(': '); }).join(', ') + '}>'; }, toJSON: function() { return Object.toJSON(this.toObject()); }, clone: function() { return new Hash(this); } }
    })()); Hash.prototype.toTemplateReplacements = Hash.prototype.toObject; Hash.from = $H; var ObjectRange = Class.create(Enumerable, { initialize: function(start, end, exclusive) { this.start = start; this.end = end; this.exclusive = exclusive; }, _each: function(iterator) { var value = this.start; while (this.include(value)) { iterator(value); value = value.succ(); } }, include: function(value) {
        if (value < this.start)
            return false; if (this.exclusive)
            return value < this.end; return value <= this.end;
    } 
    }); var $R = function(start, end, exclusive) { return new ObjectRange(start, end, exclusive); }; var Ajax = { getTransport: function() { return Try.these(function() { return new XMLHttpRequest() }, function() { return new ActiveXObject('Msxml2.XMLHTTP') }, function() { return new ActiveXObject('Microsoft.XMLHTTP') }) || false; }, activeRequestCount: 0 }; Ajax.Responders = { responders: [], _each: function(iterator) { this.responders._each(iterator); }, register: function(responder) {
        if (!this.include(responder))
            this.responders.push(responder);
    }, unregister: function(responder) { this.responders = this.responders.without(responder); }, dispatch: function(callback, request, transport, json) { this.each(function(responder) { if (Object.isFunction(responder[callback])) { try { responder[callback].apply(responder, [request, transport, json]); } catch (e) { } } }); } 
    }; Object.extend(Ajax.Responders, Enumerable); Ajax.Responders.register({ onCreate: function() { Ajax.activeRequestCount++ }, onComplete: function() { Ajax.activeRequestCount-- } }); Ajax.Base = Class.create({ initialize: function(options) {
        this.options = { method: 'post', asynchronous: true, contentType: 'application/x-www-form-urlencoded', encoding: 'UTF-8', parameters: '', evalJSON: true, evalJS: true }; Object.extend(this.options, options || {}); this.options.method = this.options.method.toLowerCase(); if (Object.isString(this.options.parameters))
            this.options.parameters = this.options.parameters.toQueryParams(); else if (Object.isHash(this.options.parameters))
            this.options.parameters = this.options.parameters.toObject();
    } 
    }); Ajax.Request = Class.create(Ajax.Base, { _complete: false, initialize: function($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); 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 : ''); 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() {
        var element = this.Element; this.Element = function(tagName, attributes) {
            attributes = attributes || {}; tagName = tagName.toLowerCase(); var cache = Element.cache; if (Prototype.Browser.IE && 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(this.Element, element || {}); if (element) this.Element.prototype = element.prototype;
    }).call(window); Element.cache = {}; 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(element, content) { element = $(element); if (content && content.toElement) content = content.toElement(); if (Object.isElement(content)) return element.update().insert(content); content = Object.toHTML(content); element.innerHTML = content.stripScripts(); content.evalScripts.bind(content).defer(); return element; }, 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('parentNode'); }, descendants: function(element) { return $(element).select("*"); }, 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('previousSibling'); }, nextSiblings: function(element) { return $(element).recursivelyCollect('nextSibling'); }, siblings: function(element) { element = $(element); return element.previousSiblings().reverse().concat(element.nextSiblings()); }, match: function(element, selector) {
        if (Object.isString(selector))
            selector = new Selector(selector); return selector.match($(element));
    }, up: function(element, expression, index) { element = $(element); if (arguments.length == 1) return $(element.parentNode); var ancestors = element.ancestors(); 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(); return Object.isNumber(expression) ? element.descendants()[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(); 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(); return Object.isNumber(expression) ? nextSiblings[expression] : Selector.findElement(nextSiblings, expression, index); }, select: function() { var args = $A(arguments), element = $(args.shift()); return Selector.findChildElements(element, args); }, adjacent: function() { var args = $A(arguments), element = $(args.shift()); return Selector.findChildElements(element.parentNode, args).without(element); }, identify: function(element) { element = $(element); var id = element.readAttribute('id'), self = arguments.callee; if (id) return id; do { id = 'anonymous_element_' + self.counter++ } while ($(id)); element.writeAttribute('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().height; }, getWidth: function(element) { return $(element).getDimensions().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(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(className) ? 'removeClassName' : 'addClassName'](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(); 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('display'); if (display != 'none' && display != null)
            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'; 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('position') == 'absolute') return element; var offsets = element.positionedOffset(); 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('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 = source.viewportOffset(); element = $(element); var delta = [0, 0]; var parent = null; if (Element.getStyle(element, 'position') == 'absolute') { parent = element.getOffsetParent(); delta = parent.viewportOffset(); }
        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;
    } 
    }; Element.Methods.identify.counter = 1; 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 = { read: { names: { 'class': 'className', 'for': 'htmlFor' }, values: { _getAttr: function(element, attribute) { return element.getAttribute(attribute, 2); }, _getAttrNode: function(element, attribute) { var node = element.getAttributeNode(attribute); return node ? node.value : ""; }, _getEv: function(element, attribute) { attribute = element.getAttribute(attribute); return attribute ? attribute.toString().slice(23, -2) : null; }, _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._getAttr, src: v._getAttr, 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);
    }
    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 (Prototype.Browser.IE || Prototype.Browser.Opera) {
        Element.Methods.update = function(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 in Element._insertionTranslations.tags) { $A(element.childNodes).each(function(node) { element.removeChild(node) }); Element._getContentFromAnonymousElement(tagName, content.stripScripts()).each(function(node) { element.appendChild(node) }); }
            else element.innerHTML = content.stripScripts(); content.evalScripts.bind(content).defer(); return element;
        };
    }
    if ('outerHTML' in document.createElement('div')) {
        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() { Object.extend(this.tags, { THEAD: this.tags.TBODY, TFOOT: this.tags.TBODY, TH: this.tags.TD }); }).call(Element._insertionTranslations); 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); if (!Prototype.BrowserFeatures.ElementExtensions && document.createElement('div')['__proto__']) { window.HTMLElement = {}; window.HTMLElement.prototype = document.createElement('div')['__proto__']; Prototype.BrowserFeatures.ElementExtensions = true; }
    Element.extend = (function() {
        if (Prototype.BrowserFeatures.SpecificElementExtensions)
            return Prototype.K; var Methods = {}, ByTag = Element.Methods.ByTag; var extend = Object.extend(function(element) {
                if (!element || element._extendedByPrototype || element.nodeType != 1 || element == window) return element; var methods = Object.clone(Methods), tagName = element.tagName.toUpperCase(), property, value; if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]); for (property in methods) {
                    value = methods[property]; if (Object.isFunction(value) && !(property in element))
                        element[property] = value.methodize();
                }
                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]; window[klass] = {}; window[klass].prototype = document.createElement(tagName)['__proto__']; return window[klass]; }
        if (F.ElementExtensions) { copy(Element.Methods, HTMLElement.prototype); copy(Element.Methods.Simulated, HTMLElement.prototype, 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() { var dimensions = {}, B = Prototype.Browser; $w('width height').each(function(d) { var D = d.capitalize(); if (B.WebKit && !document.evaluate) { dimensions[d] = self['inner' + D]; } else if (B.Opera && parseFloat(window.opera.version()) < 9.5) { dimensions[d] = document.body['client' + D] } else { dimensions[d] = document.documentElement['client' + D]; } }); return dimensions; }, getWidth: function() { return this.getDimensions().width; }, getHeight: function() { return this.getDimensions().height; }, getScrollOffsets: function() { return Element._returnOffset(window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft, window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop); } }; 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() {
        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; return true;
    }, shouldUseSelectorsAPI: function() {
        if (!Prototype.BrowserFeatures.SelectorsAPI) 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; 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 in ps) { p = ps[i]; if (m = e.match(p)) { this.matcher.push(Object.isFunction(c[i]) ? c[i](m) : new Template(c[i]).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; if (Selector._cache[e]) { this.xpath = Selector._cache[e]; return; }
        this.matcher = ['.//*']; while (e && le != e && (/\S/).test(e)) { le = e; for (var i in ps) { if (m = e.match(ps[i])) { this.matcher.push(Object.isFunction(x[i]) ? x[i](m) : new Template(x[i]).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(); e = "#" + id + " " + e; }
                results = $A(root.querySelectorAll(e)).map(Element.extend); root.id = oldId; return results; case 'xpath': return document._getElementsByXPath(this.xpath, root); default: return this.matcher(root);
        } 
    }, match: function(element) {
        this.tokens = []; var e = this.expression, ps = Selector.patterns, as = Selector.assertions; var le, p, m; while (e && le !== e && (/\S/).test(e)) { le = e; for (var i in ps) { p = ps[i]; if (m = e.match(p)) { if (as[i]) { this.tokens.push([i, Object.clone(m)]); e = e.replace(m[0], ''); } else { return this.findElements(document).include(element); } } } }
        var match = true, name, matches; for (var i = 0, token; token = this.tokens[i]; i++) { name = token[0], matches = token[1]; if (!Selector.assertions[name](element, matches)) { match = false; break; } }
        return match;
    }, toString: function() { return this.expression; }, inspect: function() { return "#<Selector:" + this.expression.inspect() + ">"; } 
    }); Object.extend(Selector, { _cache: {}, xpath: { descendant: "//*", child: "/*", adjacent: "/following-sibling::*[1]", laterSibling: '/following-sibling::*', tagName: function(m) { if (m[1] == '*') return ''; return "[local-name()='" + m[1].toLowerCase() + "' or local-name()='" + m[1].toUpperCase() + "']"; }, className: "[contains(concat(' ', @class, ' '), ' #{1} ')]", id: "[@id='#{1}']", attrPresence: function(m) { m[1] = m[1].toLowerCase(); return new Template("[@#{1}]").evaluate(m); }, attr: function(m) { m[1] = m[1].toLowerCase(); m[3] = m[5] || m[6]; return new Template(Selector.xpath.operators[m[2]]).evaluate(m); }, pseudo: function(m) { var h = Selector.xpath.pseudos[m[1]]; if (!h) return ''; if (Object.isFunction(h)) return h(m); return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m); }, operators: { '=': "[@#{1}='#{3}']", '!=': "[@#{1}!='#{3}']", '^=': "[starts-with(@#{1}, '#{3}')]", '$=': "[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; var exclusion = []; while (e && le != e && (/\S/).test(e)) { le = e; for (var i in p) { if (m = e.match(p[i])) { v = Object.isFunction(x[i]) ? x[i](m) : new Template(x[i]).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+)$/))
            return '[' + fragment + "= " + mm[1] + ']'; if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { if (mm[1] == "-") mm[1] = -1; var a = mm[1] ? Number(mm[1]) : 1; var b = mm[2] ? Number(mm[2]) : 0; predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " + "((#{fragment} - #{b}) div #{a} >= 0)]"; return new Template(predicate).evaluate({ fragment: fragment, a: a, b: b }); } 
    } }
    }, criteria: { tagName: 'n = h.tagName(n, r, "#{1}", c);      c = false;', className: 'n = h.className(n, r, "#{1}", c);    c = false;', id: 'n = h.id(n, r, "#{1}", c);           c = false;', attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;', attr: function(m) { m[3] = (m[5] || m[6]); return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m); }, pseudo: function(m) { if (m[6]) m[6] = m[6].replace(/"/g, '\\"'); return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m); }, descendant: 'c = "descendant";', child: 'c = "child";', adjacent: 'c = "adjacent";', laterSibling: 'c = "laterSibling";' }, patterns: { laterSibling: /^\s*~\s*/, child: /^\s*>\s*/, adjacent: /^\s*\+\s*/, descendant: /^\s/, tagName: /^\s*(\*|[\w\-]+)(\b|$)?/, id: /^#([\w\-\*]+)(\b|$)/, className: /^\.([\w\-\*]+)(\b|$)/, pseudo: /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/, attrPresence: /^\[((?:[\w]+:)?[\w]+)\]/, attr: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/ }, 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(nodes) {
        for (var i = 0, node; node = nodes[i]; i++)
            node._countedByPrototype = undefined; 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 (!(n = nodes[i])._countedByPrototype) { 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 (!targetNode) return []; if (!nodes && root == document) return [targetNode]; 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 $R(1, total).inject([], function(memo, i) { if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i); return memo; }); }, nth: function(nodes, formula, root, reverse, ofType) {
        if (nodes.length == 0) return []; if (formula == 'even') formula = '2n+0'; if (formula == 'odd') formula = '2n+1'; var h = Selector.handlers, results = [], indexed = [], m; h.mark(nodes); for (var i = 0, node; node = nodes[i]; i++) { if (!node.parentNode._countedByPrototype) { h.index(node.parentNode, reverse, ofType); indexed.push(node.parentNode); } }
        if (formula.match(/^\d+$/)) {
            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+))?/)) {
            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.endsWith(v); }, '*=': function(nv, v) { return 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 = $$(expression), h = Selector.handlers; h.mark(matches); for (var i = 0, results = [], element; element = elements[i]; i++)
            if (element._countedByPrototype) results.push(element); h.unmark(matches); return results;
    }, findElement: function(elements, expression, index) {
        if (Object.isNumber(expression)) { index = expression; expression = false; }
        return Selector.matchElements(elements, expression || '*')[index || 0];
    }, findChildElements: function(element, expressions) {
        expressions = Selector.split(expressions.join(',')); var results = [], h = Selector.handlers; for (var i = 0, l = expressions.length, selector; i < l; i++) { selector = new Selector(expressions[i].strip()); h.concat(results, selector.findElements(element)); }
        return (l > 1) ? h.unique(results) : results;
    } 
    }); if (Prototype.Browser.IE) {
        Object.extend(Selector.handlers, { concat: function(a, b) {
            for (var i = 0, node; node = b[i]; i++)
                if (node.tagName !== "!") a.push(node); return a;
        }, unmark: function(nodes) {
            for (var i = 0, node; node = nodes[i]; i++)
                node.removeAttribute('_countedByPrototype'); return nodes;
        } 
        });
    }
    function $$() { return Selector.findChildElements(document, $A(arguments)); }
    var Form = { reset: function(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) {
        return $A($(form).getElementsByTagName('*')).inject([], function(elements, child) {
            if (Form.Element.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'].include(element.tagName.toLowerCase()); }); }, 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'].include(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); } }); if (!window.Event) var Event = {}; Object.extend(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: {}, relatedTarget: function(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);
    } 
    }); Event.Methods = (function() {
        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); }; }
        return { isLeftClick: function(event) { return isButton(event, 0) }, isMiddleClick: function(event) { return isButton(event, 1) }, isRightClick: function(event) { return isButton(event, 2) }, element: function(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);
        }, findElement: function(event, expression) { var element = Event.element(event); if (!expression) return element; var elements = [element].concat(element.ancestors()); return Selector.findElement(elements, expression, 0); }, pointer: function(event) {
            var docElement = document.documentElement, body = document.body || { scrollLeft: 0, scrollTop: 0 }; return { x: event.pageX || (event.clientX +
(docElement.scrollLeft || body.scrollLeft) -
(docElement.clientLeft || 0)), y: event.pageY || (event.clientY +
(docElement.scrollTop || body.scrollTop) -
(docElement.clientTop || 0))
            };
        }, pointerX: function(event) { return Event.pointer(event).x }, pointerY: function(event) { return Event.pointer(event).y }, stop: function(event) { Event.extend(event); event.preventDefault(); event.stopPropagation(); event.stopped = true; } 
        };
    })(); Event.extend = (function() { var methods = Object.keys(Event.Methods).inject({}, function(m, name) { m[name] = Event.Methods[name].methodize(); return m; }); if (Prototype.Browser.IE) { Object.extend(methods, { stopPropagation: function() { this.cancelBubble = true }, preventDefault: function() { this.returnValue = false }, inspect: function() { return "[object Event]" } }); return function(event) { if (!event) return false; if (event._extendedByPrototype) return event; event._extendedByPrototype = Prototype.emptyFunction; var pointer = Event.pointer(event); Object.extend(event, { target: event.srcElement, relatedTarget: Event.relatedTarget(event), pageX: pointer.x, pageY: pointer.y }); return Object.extend(event, methods); }; } else { Event.prototype = Event.prototype || document.createEvent("HTMLEvents")['__proto__']; Object.extend(Event.prototype, methods); return Prototype.K; } })(); Object.extend(Event, (function() {
        var cache = Event.cache; function getEventID(element) { if (element._prototypeEventID) return element._prototypeEventID[0]; arguments.callee.id = arguments.callee.id || 1; return element._prototypeEventID = [++arguments.callee.id]; }
        function getDOMEventName(eventName) { if (eventName && eventName.include(':')) return "dataavailable"; return eventName; }
        function getCacheForID(id) { return cache[id] = cache[id] || {}; }
        function getWrappersForEventName(id, eventName) { var c = getCacheForID(id); return c[eventName] = c[eventName] || []; }
        function createWrapper(element, eventName, handler) {
            var id = getEventID(element); var c = getWrappersForEventName(id, eventName); if (c.pluck("handler").include(handler)) return false; var wrapper = function(event) {
                if (!Event || !Event.extend || (event.eventName && event.eventName != eventName))
                    return false; Event.extend(event); handler.call(element, event);
            }; wrapper.handler = handler; c.push(wrapper); return wrapper;
        }
        function findWrapper(id, eventName, handler) { var c = getWrappersForEventName(id, eventName); return c.find(function(wrapper) { return wrapper.handler == handler }); }
        function destroyWrapper(id, eventName, handler) { var c = getCacheForID(id); if (!c[eventName]) return false; c[eventName] = c[eventName].without(findWrapper(id, eventName, handler)); }
        function destroyCache() {
            for (var id in cache)
                for (var eventName in cache[id])
                cache[id][eventName] = null;
        }
        if (window.attachEvent) { window.attachEvent("onunload", destroyCache); }
        if (Prototype.Browser.WebKit) { window.addEventListener('unload', Prototype.emptyFunction, false); }
        return { observe: function(element, eventName, handler) {
            element = $(element); var name = getDOMEventName(eventName); var wrapper = createWrapper(element, eventName, handler); if (!wrapper) return element; if (element.addEventListener) { element.addEventListener(name, wrapper, false); } else { element.attachEvent("on" + name, wrapper); }
            return element;
        }, stopObserving: function(element, eventName, handler) {
            element = $(element); var id = getEventID(element), name = getDOMEventName(eventName); if (!handler && eventName) { getWrappersForEventName(id, eventName).each(function(wrapper) { element.stopObserving(eventName, wrapper.handler); }); return element; } else if (!eventName) { Object.keys(getCacheForID(id)).each(function(eventName) { element.stopObserving(eventName); }); return element; }
            var wrapper = findWrapper(id, eventName, handler); if (!wrapper) return element; if (element.removeEventListener) { element.removeEventListener(name, wrapper, false); } else { element.detachEvent("on" + name, wrapper); }
            destroyWrapper(id, eventName, handler); return element;
        }, fire: function(element, eventName, memo) {
            element = $(element); 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 = "ondataavailable"; }
            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); Element.addMethods({ fire: Event.fire, observe: Event.observe, stopObserving: Event.stopObserving }); Object.extend(document, { fire: Element.Methods.fire.methodize(), observe: Element.Methods.observe.methodize(), stopObserving: Element.Methods.stopObserving.methodize(), loaded: false }); (function() {
        var timer; function fireContentLoadedEvent() { if (document.loaded) return; if (timer) window.clearInterval(timer); document.fire("dom:loaded"); document.loaded = true; }
        if (document.addEventListener) {
            if (Prototype.Browser.WebKit) {
                timer = window.setInterval(function() {
                    if (/loaded|complete/.test(document.readyState))
                        fireContentLoadedEvent();
                }, 0); Event.observe(window, "load", fireContentLoadedEvent);
            } else { document.addEventListener("DOMContentLoaded", fireContentLoadedEvent, false); } 
        } else { document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>"); $("__onDOMContentLoaded").onreadystatechange = function() { if (this.readyState == "complete") { this.onreadystatechange = null; fireContentLoadedEvent(); } }; } 
    })(); 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); Element.addMethods();