/* Prototype JavaScript framework, version 1.7
 * (c) 2005-2010 Sam Stephenson
 *
 * Prototype is freely distributable under the terms of an MIT-style license.
 * For details, see the Prototype web site: http://www.prototypejs.org/
 *
 *--------------------------------------------------------------------------*/
var Prototype = {
 Version: '1.7',
 Browser: (function(){
 var ua = navigator.userAgent;
 var isOpera = Object.prototype.toString.call(window.opera) == '[object Opera]';
 return {
 IE: !!window.attachEvent && !isOpera,
 Opera: isOpera,
 WebKit: ua.indexOf('AppleWebKit/') > -1,
 Gecko: ua.indexOf('Gecko') > -1 && ua.indexOf('KHTML') === -1,
 MobileSafari: /Apple.*Mobile/.test(ua)
 }
 })(),
 BrowserFeatures: {
 XPath: !!document.evaluate,
 SelectorsAPI: !!document.querySelector,
 ElementExtensions: (function() {
 var constructor = window.Element || window.HTMLElement;
 return !!(constructor && constructor.prototype);
 })(),
 SpecificElementExtensions: (function() {
 if (typeof window.HTMLDivElement !== 'undefined')
 return true;
 var div = document.createElement('div'),
 form = document.createElement('form'),
 isSupported = false;
 if (div['__proto__'] && (div['__proto__'] !== form['__proto__'])) {
 isSupported = true;
 }
 div = form = null;
 return isSupported;
 })()
 },
 ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',
 JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,
 emptyFunction: function() { },
 K: function(x) { return x }
};
if (Prototype.Browser.MobileSafari)
 Prototype.BrowserFeatures.SpecificElementExtensions = false;
var Abstract = { };
var Try = {
 these: function() {
 var returnValue;
 for (var i = 0, length = arguments.length; i < length; i++) {
 var lambda = arguments[i];
 try {
 returnValue = lambda();
 break;
 } catch (e) { }
 }
 return returnValue;
 }
};
/* Based on Alex Arnell's inheritance implementation. */
var Class = (function() {
 var IS_DONTENUM_BUGGY = (function(){
 for (var p in { toString: 1 }) {
 if (p === 'toString') return false;
 }
 return true;
 })();
 function subclass() {};
 function create() {
 var parent = null, properties = $A(arguments);
 if (Object.isFunction(properties[0]))
 parent = properties.shift();
 function klass() {
 this.initialize.apply(this, arguments);
 }
 Object.extend(klass, Class.Methods);
 klass.superclass = parent;
 klass.subclasses = [];
 if (parent) {
 subclass.prototype = parent.prototype;
 klass.prototype = new subclass;
 parent.subclasses.push(klass);
 }
 for (var i = 0, length = properties.length; i < length; i++)
 klass.addMethods(properties[i]);
 if (!klass.prototype.initialize)
 klass.prototype.initialize = Prototype.emptyFunction;
 klass.prototype.constructor = klass;
 return klass;
 }
 function addMethods(source) {
 var ancestor = this.superclass && this.superclass.prototype,
 properties = Object.keys(source);
 if (IS_DONTENUM_BUGGY) {
 if (source.toString != Object.prototype.toString)
 properties.push("toString");
 if (source.valueOf != Object.prototype.valueOf)
 properties.push("valueOf");
 }
 for (var i = 0, length = properties.length; i < length; i++) {
 var property = properties[i], value = source[property];
 if (ancestor && Object.isFunction(value) &&
 value.argumentNames()[0] == "$super") {
 var method = value;
 value = (function(m) {
 return function() { return ancestor[m].apply(this, arguments); };
 })(property).wrap(method);
 value.valueOf = method.valueOf.bind(method);
 value.toString = method.toString.bind(method);
 }
 this.prototype[property] = value;
 }
 return this;
 }
 return {
 create: create,
 Methods: {
 addMethods: addMethods
 }
 };
})();
(function() {
 var _toString = Object.prototype.toString,
 NULL_TYPE = 'Null',
 UNDEFINED_TYPE = 'Undefined',
 BOOLEAN_TYPE = 'Boolean',
 NUMBER_TYPE = 'Number',
 STRING_TYPE = 'String',
 OBJECT_TYPE = 'Object',
 FUNCTION_CLASS = '[object Function]',
 BOOLEAN_CLASS = '[object Boolean]',
 NUMBER_CLASS = '[object Number]',
 STRING_CLASS = '[object String]',
 ARRAY_CLASS = '[object Array]',
 DATE_CLASS = '[object Date]',
 NATIVE_JSON_STRINGIFY_SUPPORT = window.JSON &&
 typeof JSON.stringify === 'function' &&
 JSON.stringify(0) === '0' &&
 typeof JSON.stringify(Prototype.K) === 'undefined';
 function Type(o) {
 switch(o) {
 case null: return NULL_TYPE;
 case (void 0): return UNDEFINED_TYPE;
 }
 var type = typeof o;
 switch(type) {
 case 'boolean': return BOOLEAN_TYPE;
 case 'number': return NUMBER_TYPE;
 case 'string': return STRING_TYPE;
 }
 return OBJECT_TYPE;
 }
 function extend(destination, source) {
 for (var property in source)
 destination[property] = source[property];
 return destination;
 }
 function inspect(object) {
 try {
 if (isUndefined(object)) return 'undefined';
 if (object === null) return 'null';
 return object.inspect ? object.inspect() : String(object);
 } catch (e) {
 if (e instanceof RangeError) return '...';
 throw e;
 }
 }
 function toJSON(value) {
 return Str('', { '': value }, []);
 }
 function Str(key, holder, stack) {
 var value = holder[key],
 type = typeof value;
 if (Type(value) === OBJECT_TYPE && typeof value.toJSON === 'function') {
 value = value.toJSON(key);
 }
 var _class = _toString.call(value);
 switch (_class) {
 case NUMBER_CLASS:
 case BOOLEAN_CLASS:
 case STRING_CLASS:
 value = value.valueOf();
 }
 switch (value) {
 case null: return 'null';
 case true: return 'true';
 case false: return 'false';
 }
 type = typeof value;
 switch (type) {
 case 'string':
 return value.inspect(true);
 case 'number':
 return isFinite(value) ? String(value) : 'null';
 case 'object':
 for (var i = 0, length = stack.length; i < length; i++) {
 if (stack[i] === value) { throw new TypeError(); }
 }
 stack.push(value);
 var partial = [];
 if (_class === ARRAY_CLASS) {
 for (var i = 0, length = value.length; i < length; i++) {
 var str = Str(i, value, stack);
 partial.push(typeof str === 'undefined' ? 'null' : str);
 }
 partial = '[' + partial.join(',') + ']';
 } else {
 var keys = Object.keys(value);
 for (var i = 0, length = keys.length; i < length; i++) {
 var key = keys[i], str = Str(key, value, stack);
 if (typeof str !== "undefined") {
 partial.push(key.inspect(true)+ ':' + str);
 }
 }
 partial = '{' + partial.join(',') + '}';
 }
 stack.pop();
 return partial;
 }
 }
 function stringify(object) {
 return JSON.stringify(object);
 }
 function toQueryString(object) {
 return $H(object).toQueryString();
 }
 function toHTML(object) {
 return object && object.toHTML ? object.toHTML() : String.interpret(object);
 }
 function keys(object) {
 if (Type(object) !== OBJECT_TYPE) { throw new TypeError(); }
 var results = [];
 for (var property in object) {
 if (object.hasOwnProperty(property)) {
 results.push(property);
 }
 }
 return results;
 }
 function values(object) {
 var results = [];
 for (var property in object)
 results.push(object[property]);
 return results;
 }
 function clone(object) {
 return extend({ }, object);
 }
 function isElement(object) {
 return !!(object && object.nodeType == 1);
 }
 function isArray(object) {
 return _toString.call(object) === ARRAY_CLASS;
 }
 var hasNativeIsArray = (typeof Array.isArray == 'function')
 && Array.isArray([]) && !Array.isArray({});
 if (hasNativeIsArray) {
 isArray = Array.isArray;
 }
 function isHash(object) {
 return object instanceof Hash;
 }
 function isFunction(object) {
 return _toString.call(object) === FUNCTION_CLASS;
 }
 function isString(object) {
 return _toString.call(object) === STRING_CLASS;
 }
 function isNumber(object) {
 return _toString.call(object) === NUMBER_CLASS;
 }
 function isDate(object) {
 return _toString.call(object) === DATE_CLASS;
 }
 function isUndefined(object) {
 return typeof object === "undefined";
 }
 extend(Object, {
 extend: extend,
 inspect: inspect,
 toJSON: NATIVE_JSON_STRINGIFY_SUPPORT ? stringify : toJSON,
 toQueryString: toQueryString,
 toHTML: toHTML,
 keys: Object.keys || keys,
 values: values,
 clone: clone,
 isElement: isElement,
 isArray: isArray,
 isHash: isHash,
 isFunction: isFunction,
 isString: isString,
 isNumber: isNumber,
 isDate: isDate,
 isUndefined: isUndefined
 });
})();
Object.extend(Function.prototype, (function() {
 var slice = Array.prototype.slice;
 function update(array, args) {
 var arrayLength = array.length, length = args.length;
 while (length--) array[arrayLength + length] = args[length];
 return array;
 }
 function merge(array, args) {
 array = slice.call(array, 0);
 return update(array, args);
 }
 function argumentNames() {
 var names = this.toString().match(/^[\s\(]*function[^(]*\(([^)]*)\)/)[1]
 .replace(/\/\/.*?[\r\n]|\/\*(?:.|[\r\n])*?\*\//g, '')
 .replace(/\s+/g, '').split(',');
 return names.length == 1 && !names[0] ? [] : names;
 }
 function bind(context) {
 if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
 var __method = this, args = slice.call(arguments, 1);
 return function() {
 var a = merge(args, arguments);
 return __method.apply(context, a);
 }
 }
 function bindAsEventListener(context) {
 var __method = this, args = slice.call(arguments, 1);
 return function(event) {
 var a = update([event || window.event], args);
 return __method.apply(context, a);
 }
 }
 function curry() {
 if (!arguments.length) return this;
 var __method = this, args = slice.call(arguments, 0);
 return function() {
 var a = merge(args, arguments);
 return __method.apply(this, a);
 }
 }
 function delay(timeout) {
 var __method = this, args = slice.call(arguments, 1);
 timeout = timeout * 1000;
 return window.setTimeout(function() {
 return __method.apply(__method, args);
 }, timeout);
 }
 function defer() {
 var args = update([0.01], arguments);
 return this.delay.apply(this, args);
 }
 function wrap(wrapper) {
 var __method = this;
 return function() {
 var a = update([__method.bind(this)], arguments);
 return wrapper.apply(this, a);
 }
 }
 function methodize() {
 if (this._methodized) return this._methodized;
 var __method = this;
 return this._methodized = function() {
 var a = update([this], arguments);
 return __method.apply(null, a);
 };
 }
 return {
 argumentNames: argumentNames,
 bind: bind,
 bindAsEventListener: bindAsEventListener,
 curry: curry,
 delay: delay,
 defer: defer,
 wrap: wrap,
 methodize: methodize
 }
})());
(function(proto) {
 function toISOString() {
 return this.getUTCFullYear() + '-' +
 (this.getUTCMonth() + 1).toPaddedString(2) + '-' +
 this.getUTCDate().toPaddedString(2) + 'T' +
 this.getUTCHours().toPaddedString(2) + ':' +
 this.getUTCMinutes().toPaddedString(2) + ':' +
 this.getUTCSeconds().toPaddedString(2) + 'Z';
 }
 function toJSON() {
 return this.toISOString();
 }
 if (!proto.toISOString) proto.toISOString = toISOString;
 if (!proto.toJSON) proto.toJSON = toJSON;
})(Date.prototype);
RegExp.prototype.match = RegExp.prototype.test;
RegExp.escape = function(str) {
 return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
};
var PeriodicalExecuter = Class.create({
 initialize: function(callback, frequency) {
 this.callback = callback;
 this.frequency = frequency;
 this.currentlyExecuting = false;
 this.registerCallback();
 },
 registerCallback: function() {
 this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
 },
 execute: function() {
 this.callback(this);
 },
 stop: function() {
 if (!this.timer) return;
 clearInterval(this.timer);
 this.timer = null;
 },
 onTimerEvent: function() {
 if (!this.currentlyExecuting) {
 try {
 this.currentlyExecuting = true;
 this.execute();
 this.currentlyExecuting = false;
 } catch(e) {
 this.currentlyExecuting = false;
 throw e;
 }
 }
 }
});
Object.extend(String, {
 interpret: function(value) {
 return value == null ? '' : String(value);
 },
 specialChar: {
 '\b': '\\b',
 '\t': '\\t',
 '\n': '\\n',
 '\f': '\\f',
 '\r': '\\r',
 '\\': '\\\\'
 }
});
Object.extend(String.prototype, (function() {
 var NATIVE_JSON_PARSE_SUPPORT = window.JSON &&
 typeof JSON.parse === 'function' &&
 JSON.parse('{"test": true}').test;
 function prepareReplacement(replacement) {
 if (Object.isFunction(replacement)) return replacement;
 var template = new Template(replacement);
 return function(match) { return template.evaluate(match) };
 }
 function gsub(pattern, replacement) {
 var result = '', source = this, match;
 replacement = prepareReplacement(replacement);
 if (Object.isString(pattern))
 pattern = RegExp.escape(pattern);
 if (!(pattern.length || pattern.source)) {
 replacement = replacement('');
 return replacement + source.split('').join(replacement) + replacement;
 }
 while (source.length > 0) {
 if (match = source.match(pattern)) {
 result += source.slice(0, match.index);
 result += String.interpret(replacement(match));
 source = source.slice(match.index + match[0].length);
 } else {
 result += source, source = '';
 }
 }
 return result;
 }
 function sub(pattern, replacement, count) {
 replacement = prepareReplacement(replacement);
 count = Object.isUndefined(count) ? 1 : count;
 return this.gsub(pattern, function(match) {
 if (--count < 0) return match[0];
 return replacement(match);
 });
 }
 function scan(pattern, iterator) {
 this.gsub(pattern, iterator);
 return String(this);
 }
 function truncate(length, truncation) {
 length = length || 30;
 truncation = Object.isUndefined(truncation) ? '...' : truncation;
 return this.length > length ?
 this.slice(0, length - truncation.length) + truncation : String(this);
 }
 function strip() {
 return this.replace(/^\s+/, '').replace(/\s+$/, '');
 }
 function stripTags() {
 return this.replace(/<\w+(\s+("[^"]*"|'[^']*'|[^>])+)?>|<\/\w+>/gi, '');
 }
 function stripScripts() {
 return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
 }
 function extractScripts() {
 var matchAll = new RegExp(Prototype.ScriptFragment, 'img'),
 matchOne = new RegExp(Prototype.ScriptFragment, 'im');
 return (this.match(matchAll) || []).map(function(scriptTag) {
 return (scriptTag.match(matchOne) || ['', ''])[1];
 });
 }
 function evalScripts() {
 return this.extractScripts().map(function(script) { return eval(script) });
 }
 function escapeHTML() {
 return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
 }
 function unescapeHTML() {
 return this.stripTags().replace(/&lt;/g,'<').replace(/&gt;/g,'>').replace(/&amp;/g,'&');
 }
 function toQueryParams(separator) {
 var match = this.strip().match(/([^?#]*)(#.*)?$/);
 if (!match) return { };
 return match[1].split(separator || '&').inject({ }, function(hash, pair) {
 if ((pair = pair.split('='))[0]) {
 var key = decodeURIComponent(pair.shift()),
 value = pair.length > 1 ? pair.join('=') : pair[0];
 if (value != undefined) value = decodeURIComponent(value);
 if (key in hash) {
 if (!Object.isArray(hash[key])) hash[key] = [hash[key]];
 hash[key].push(value);
 }
 else hash[key] = value;
 }
 return hash;
 });
 }
 function toArray() {
 return this.split('');
 }
 function succ() {
 return this.slice(0, this.length - 1) +
 String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
 }
 function times(count) {
 return count < 1 ? '' : new Array(count + 1).join(this);
 }
 function camelize() {
 return this.replace(/-+(.)?/g, function(match, chr) {
 return chr ? chr.toUpperCase() : '';
 });
 }
 function capitalize() {
 return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
 }
 function underscore() {
 return this.replace(/::/g, '/')
 .replace(/([A-Z]+)([A-Z][a-z])/g, '$1_$2')
 .replace(/([a-z\d])([A-Z])/g, '$1_$2')
 .replace(/-/g, '_')
 .toLowerCase();
 }
 function dasherize() {
 return this.replace(/_/g, '-');
 }
 function inspect(useDoubleQuotes) {
 var escapedString = this.replace(/[\x00-\x1f\\]/g, function(character) {
 if (character in String.specialChar) {
 return String.specialChar[character];
 }
 return '\\u00' + character.charCodeAt().toPaddedString(2, 16);
 });
 if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
 return "'" + escapedString.replace(/'/g, '\\\'') + "'";
 }
 function unfilterJSON(filter) {
 return this.replace(filter || Prototype.JSONFilter, '$1');
 }
 function isJSON() {
 var str = this;
 if (str.blank()) return false;
 str = str.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@');
 str = str.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']');
 str = str.replace(/(?:^|:|,)(?:\s*\[)+/g, '');
 return (/^[\],:{}\s]*$/).test(str);
 }
 function evalJSON(sanitize) {
 var json = this.unfilterJSON(),
 cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
 if (cx.test(json)) {
 json = json.replace(cx, function (a) {
 return '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
 });
 }
 try {
 if (!sanitize || json.isJSON()) return eval('(' + json + ')');
 } catch (e) { }
 throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
 }
 function parseJSON() {
 var json = this.unfilterJSON();
 return JSON.parse(json);
 }
 function include(pattern) {
 return this.indexOf(pattern) > -1;
 }
 function startsWith(pattern) {
 return this.lastIndexOf(pattern, 0) === 0;
 }
 function endsWith(pattern) {
 var d = this.length - pattern.length;
 return d >= 0 && this.indexOf(pattern, d) === d;
 }
 function empty() {
 return this == '';
 }
 function blank() {
 return /^\s*$/.test(this);
 }
 function interpolate(object, pattern) {
 return new Template(this, pattern).evaluate(object);
 }
 return {
 gsub: gsub,
 sub: sub,
 scan: scan,
 truncate: truncate,
 strip: String.prototype.trim || strip,
 stripTags: stripTags,
 stripScripts: stripScripts,
 extractScripts: extractScripts,
 evalScripts: evalScripts,
 escapeHTML: escapeHTML,
 unescapeHTML: unescapeHTML,
 toQueryParams: toQueryParams,
 parseQuery: toQueryParams,
 toArray: toArray,
 succ: succ,
 times: times,
 camelize: camelize,
 capitalize: capitalize,
 underscore: underscore,
 dasherize: dasherize,
 inspect: inspect,
 unfilterJSON: unfilterJSON,
 isJSON: isJSON,
 evalJSON: NATIVE_JSON_PARSE_SUPPORT ? parseJSON : evalJSON,
 include: include,
 startsWith: startsWith,
 endsWith: endsWith,
 empty: empty,
 blank: blank,
 interpolate: interpolate
 };
})());
var Template = Class.create({
 initialize: function(template, pattern) {
 this.template = template.toString();
 this.pattern = pattern || Template.Pattern;
 },
 evaluate: function(object) {
 if (object && Object.isFunction(object.toTemplateReplacements))
 object = object.toTemplateReplacements();
 return this.template.gsub(this.pattern, function(match) {
 if (object == null) return (match[1] + '');
 var before = match[1] || '';
 if (before == '\\') return match[2];
 var ctx = object, expr = match[3],
 pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
 match = pattern.exec(expr);
 if (match == null) return before;
 while (match != null) {
 var comp = match[1].startsWith('[') ? match[2].replace(/\\\\]/g, ']') : match[1];
 ctx = ctx[comp];
 if (null == ctx || '' == match[3]) break;
 expr = expr.substring('[' == match[3] ? match[1].length : match[0].length);
 match = pattern.exec(expr);
 }
 return before + String.interpret(ctx);
 });
 }
});
Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;
var $break = { };
var Enumerable = (function() {
 function each(iterator, context) {
 var index = 0;
 try {
 this._each(function(value) {
 iterator.call(context, value, index++);
 });
 } catch (e) {
 if (e != $break) throw e;
 }
 return this;
 }
 function eachSlice(number, iterator, context) {
 var index = -number, slices = [], array = this.toArray();
 if (number < 1) return array;
 while ((index += number) < array.length)
 slices.push(array.slice(index, index+number));
 return slices.collect(iterator, context);
 }
 function all(iterator, context) {
 iterator = iterator || Prototype.K;
 var result = true;
 this.each(function(value, index) {
 result = result && !!iterator.call(context, value, index);
 if (!result) throw $break;
 });
 return result;
 }
 function any(iterator, context) {
 iterator = iterator || Prototype.K;
 var result = false;
 this.each(function(value, index) {
 if (result = !!iterator.call(context, value, index))
 throw $break;
 });
 return result;
 }
 function collect(iterator, context) {
 iterator = iterator || Prototype.K;
 var results = [];
 this.each(function(value, index) {
 results.push(iterator.call(context, value, index));
 });
 return results;
 }
 function detect(iterator, context) {
 var result;
 this.each(function(value, index) {
 if (iterator.call(context, value, index)) {
 result = value;
 throw $break;
 }
 });
 return result;
 }
 function findAll(iterator, context) {
 var results = [];
 this.each(function(value, index) {
 if (iterator.call(context, value, index))
 results.push(value);
 });
 return results;
 }
 function grep(filter, iterator, context) {
 iterator = iterator || Prototype.K;
 var results = [];
 if (Object.isString(filter))
 filter = new RegExp(RegExp.escape(filter));
 this.each(function(value, index) {
 if (filter.match(value))
 results.push(iterator.call(context, value, index));
 });
 return results;
 }
 function include(object) {
 if (Object.isFunction(this.indexOf))
 if (this.indexOf(object) != -1) return true;
 var found = false;
 this.each(function(value) {
 if (value == object) {
 found = true;
 throw $break;
 }
 });
 return found;
 }
 function inGroupsOf(number, fillWith) {
 fillWith = Object.isUndefined(fillWith) ? null : fillWith;
 return this.eachSlice(number, function(slice) {
 while(slice.length < number) slice.push(fillWith);
 return slice;
 });
 }
 function inject(memo, iterator, context) {
 this.each(function(value, index) {
 memo = iterator.call(context, memo, value, index);
 });
 return memo;
 }
 function invoke(method) {
 var args = $A(arguments).slice(1);
 return this.map(function(value) {
 return value[method].apply(value, args);
 });
 }
 function max(iterator, context) {
 iterator = iterator || Prototype.K;
 var result;
 this.each(function(value, index) {
 value = iterator.call(context, value, index);
 if (result == null || value >= result)
 result = value;
 });
 return result;
 }
 function min(iterator, context) {
 iterator = iterator || Prototype.K;
 var result;
 this.each(function(value, index) {
 value = iterator.call(context, value, index);
 if (result == null || value < result)
 result = value;
 });
 return result;
 }
 function partition(iterator, context) {
 iterator = iterator || Prototype.K;
 var trues = [], falses = [];
 this.each(function(value, index) {
 (iterator.call(context, value, index) ?
 trues : falses).push(value);
 });
 return [trues, falses];
 }
 function pluck(property) {
 var results = [];
 this.each(function(value) {
 results.push(value[property]);
 });
 return results;
 }
 function reject(iterator, context) {
 var results = [];
 this.each(function(value, index) {
 if (!iterator.call(context, value, index))
 results.push(value);
 });
 return results;
 }
 function sortBy(iterator, context) {
 return this.map(function(value, index) {
 return {
 value: value,
 criteria: iterator.call(context, value, index)
 };
 }).sort(function(left, right) {
 var a = left.criteria, b = right.criteria;
 return a < b ? -1 : a > b ? 1 : 0;
 }).pluck('value');
 }
 function toArray() {
 return this.map();
 }
 function zip() {
 var iterator = Prototype.K, args = $A(arguments);
 if (Object.isFunction(args.last()))
 iterator = args.pop();
 var collections = [this].concat(args).map($A);
 return this.map(function(value, index) {
 return iterator(collections.pluck(index));
 });
 }
 function size() {
 return this.toArray().length;
 }
 function inspect() {
 return '#<Enumerable:' + this.toArray().inspect() + '>';
 }
 return {
 each: each,
 eachSlice: eachSlice,
 all: all,
 every: all,
 any: any,
 some: any,
 collect: collect,
 map: collect,
 detect: detect,
 findAll: findAll,
 select: findAll,
 filter: findAll,
 grep: grep,
 include: include,
 member: include,
 inGroupsOf: inGroupsOf,
 inject: inject,
 invoke: invoke,
 max: max,
 min: min,
 partition: partition,
 pluck: pluck,
 reject: reject,
 sortBy: sortBy,
 toArray: toArray,
 entries: toArray,
 zip: zip,
 size: size,
 inspect: inspect,
 find: detect
 };
})();
function $A(iterable) {
 if (!iterable) return [];
 if ('toArray' in Object(iterable)) return iterable.toArray();
 var length = iterable.length || 0, results = new Array(length);
 while (length--) results[length] = iterable[length];
 return results;
}
function $w(string) {
 if (!Object.isString(string)) return [];
 string = string.strip();
 return string ? string.split(/\s+/) : [];
}
Array.from = $A;
(function() {
 var arrayProto = Array.prototype,
 slice = arrayProto.slice,
 _each = arrayProto.forEach; // use native browser JS 1.6 implementation if available
 function each(iterator, context) {
 for (var i = 0, length = this.length >>> 0; i < length; i++) {
 if (i in this) iterator.call(context, this[i], i, this);
 }
 }
 if (!_each) _each = each;
 function clear() {
 this.length = 0;
 return this;
 }
 function first() {
 return this[0];
 }
 function last() {
 return this[this.length - 1];
 }
 function compact() {
 return this.select(function(value) {
 return value != null;
 });
 }
 function flatten() {
 return this.inject([], function(array, value) {
 if (Object.isArray(value))
 return array.concat(value.flatten());
 array.push(value);
 return array;
 });
 }
 function without() {
 var values = slice.call(arguments, 0);
 return this.select(function(value) {
 return !values.include(value);
 });
 }
 function reverse(inline) {
 return (inline === false ? this.toArray() : this)._reverse();
 }
 function uniq(sorted) {
 return this.inject([], function(array, value, index) {
 if (0 == index || (sorted ? array.last() != value : !array.include(value)))
 array.push(value);
 return array;
 });
 }
 function intersect(array) {
 return this.uniq().findAll(function(item) {
 return array.detect(function(value) { return item === value });
 });
 }
 function clone() {
 return slice.call(this, 0);
 }
 function size() {
 return this.length;
 }
 function inspect() {
 return '[' + this.map(Object.inspect).join(', ') + ']';
 }
 function indexOf(item, i) {
 i || (i = 0);
 var length = this.length;
 if (i < 0) i = length + i;
 for (; i < length; i++)
 if (this[i] === item) return i;
 return -1;
 }
 function lastIndexOf(item, i) {
 i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1;
 var n = this.slice(0, i).reverse().indexOf(item);
 return (n < 0) ? n : i - n - 1;
 }
 function concat() {
 var array = slice.call(this, 0), item;
 for (var i = 0, length = arguments.length; i < length; i++) {
 item = arguments[i];
 if (Object.isArray(item) && !('callee' in item)) {
 for (var j = 0, arrayLength = item.length; j < arrayLength; j++)
 array.push(item[j]);
 } else {
 array.push(item);
 }
 }
 return array;
 }
 Object.extend(arrayProto, Enumerable);
 if (!arrayProto._reverse)
 arrayProto._reverse = arrayProto.reverse;
 Object.extend(arrayProto, {
 _each: _each,
 clear: clear,
 first: first,
 last: last,
 compact: compact,
 flatten: flatten,
 without: without,
 reverse: reverse,
 uniq: uniq,
 intersect: intersect,
 clone: clone,
 toArray: clone,
 size: size,
 inspect: inspect
 });
 var CONCAT_ARGUMENTS_BUGGY = (function() {
 return [].concat(arguments)[0][0] !== 1;
 })(1,2)
 if (CONCAT_ARGUMENTS_BUGGY) arrayProto.concat = concat;
 if (!arrayProto.indexOf) arrayProto.indexOf = indexOf;
 if (!arrayProto.lastIndexOf) arrayProto.lastIndexOf = lastIndexOf;
})();
function $H(object) {
 return new Hash(object);
};
var Hash = Class.create(Enumerable, (function() {
 function initialize(object) {
 this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
 }
 function _each(iterator) {
 for (var key in this._object) {
 var value = this._object[key], pair = [key, value];
 pair.key = key;
 pair.value = value;
 iterator(pair);
 }
 }
 function set(key, value) {
 return this._object[key] = value;
 }
 function get(key) {
 if (this._object[key] !== Object.prototype[key])
 return this._object[key];
 }
 function unset(key) {
 var value = this._object[key];
 delete this._object[key];
 return value;
 }
 function toObject() {
 return Object.clone(this._object);
 }
 function keys() {
 return this.pluck('key');
 }
 function values() {
 return this.pluck('value');
 }
 function index(value) {
 var match = this.detect(function(pair) {
 return pair.value === value;
 });
 return match && match.key;
 }
 function merge(object) {
 return this.clone().update(object);
 }
 function update(object) {
 return new Hash(object).inject(this, function(result, pair) {
 result.set(pair.key, pair.value);
 return result;
 });
 }
 function toQueryPair(key, value) {
 if (Object.isUndefined(value)) return key;
 return key + '=' + encodeURIComponent(String.interpret(value));
 }
 function toQueryString() {
 return this.inject([], function(results, pair) {
 var key = encodeURIComponent(pair.key), values = pair.value;
 if (values && typeof values == 'object') {
 if (Object.isArray(values)) {
 var queryValues = [];
 for (var i = 0, len = values.length, value; i < len; i++) {
 value = values[i];
 queryValues.push(toQueryPair(key, value));
 }
 return results.concat(queryValues);
 }
 } else results.push(toQueryPair(key, values));
 return results;
 }).join('&');
 }
 function inspect() {
 return '#<Hash:{' + this.map(function(pair) {
 return pair.map(Object.inspect).join(': ');
 }).join(', ') + '}>';
 }
 function clone() {
 return new Hash(this);
 }
 return {
 initialize: initialize,
 _each: _each,
 set: set,
 get: get,
 unset: unset,
 toObject: toObject,
 toTemplateReplacements: toObject,
 keys: keys,
 values: values,
 index: index,
 merge: merge,
 update: update,
 toQueryString: toQueryString,
 inspect: inspect,
 toJSON: toObject,
 clone: clone
 };
})());
Hash.from = $H;
Object.extend(Number.prototype, (function() {
 function toColorPart() {
 return this.toPaddedString(2, 16);
 }
 function succ() {
 return this + 1;
 }
 function times(iterator, context) {
 $R(0, this, true).each(iterator, context);
 return this;
 }
 function toPaddedString(length, radix) {
 var string = this.toString(radix || 10);
 return '0'.times(length - string.length) + string;
 }
 function abs() {
 return Math.abs(this);
 }
 function round() {
 return Math.round(this);
 }
 function ceil() {
 return Math.ceil(this);
 }
 function floor() {
 return Math.floor(this);
 }
 return {
 toColorPart: toColorPart,
 succ: succ,
 times: times,
 toPaddedString: toPaddedString,
 abs: abs,
 round: round,
 ceil: ceil,
 floor: floor
 };
})());
function $R(start, end, exclusive) {
 return new ObjectRange(start, end, exclusive);
}
var ObjectRange = Class.create(Enumerable, (function() {
 function initialize(start, end, exclusive) {
 this.start = start;
 this.end = end;
 this.exclusive = exclusive;
 }
 function _each(iterator) {
 var value = this.start;
 while (this.include(value)) {
 iterator(value);
 value = value.succ();
 }
 }
 function include(value) {
 if (value < this.start)
 return false;
 if (this.exclusive)
 return value < this.end;
 return value <= this.end;
 }
 return {
 initialize: initialize,
 _each: _each,
 include: include
 };
})());
var Ajax = {
 getTransport: function() {
 return Try.these(
 function() {return new XMLHttpRequest()},
 function() {return new ActiveXObject('Msxml2.XMLHTTP')},
 function() {return new ActiveXObject('Microsoft.XMLHTTP')}
 ) || false;
 },
 activeRequestCount: 0
};
Ajax.Responders = {
 responders: [],
 _each: function(iterator) {
 this.responders._each(iterator);
 },
 register: function(responder) {
 if (!this.include(responder))
 this.responders.push(responder);
 },
 unregister: function(responder) {
 this.responders = this.responders.without(responder);
 },
 dispatch: function(callback, request, transport, json) {
 this.each(function(responder) {
 if (Object.isFunction(responder[callback])) {
 try {
 responder[callback].apply(responder, [request, transport, json]);
 } catch (e) { }
 }
 });
 }
};
Object.extend(Ajax.Responders, Enumerable);
Ajax.Responders.register({
 onCreate: function() { Ajax.activeRequestCount++ },
 onComplete: function() { Ajax.activeRequestCount-- }
});
Ajax.Base = Class.create({
 initialize: function(options) {
 this.options = {
 method: 'post',
 asynchronous: true,
 contentType: 'application/x-www-form-urlencoded',
 encoding: 'UTF-8',
 parameters: '',
 evalJSON: true,
 evalJS: true
 };
 Object.extend(this.options, options || { });
 this.options.method = this.options.method.toLowerCase();
 if (Object.isHash(this.options.parameters))
 this.options.parameters = this.options.parameters.toObject();
 }
});
Ajax.Request = Class.create(Ajax.Base, {
 _complete: false,
 initialize: function($super, url, options) {
 $super(options);
 this.transport = Ajax.getTransport();
 this.request(url);
 },
 request: function(url) {
 this.url = url;
 this.method = this.options.method;
 var params = Object.isString(this.options.parameters) ?
 this.options.parameters :
 Object.toQueryString(this.options.parameters);
 if (!['get', 'post'].include(this.method)) {
 params += (params ? '&' : '') + "_method=" + this.method;
 this.method = 'post';
 }
 if (params && this.method === 'get') {
 this.url += (this.url.include('?') ? '&' : '?') + params;
 }
 this.parameters = params.toQueryParams();
 try {
 var response = new Ajax.Response(this);
 if (this.options.onCreate) this.options.onCreate(response);
 Ajax.Responders.dispatch('onCreate', this, response);
 this.transport.open(this.method.toUpperCase(), this.url,
 this.options.asynchronous);
 if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);
 this.transport.onreadystatechange = this.onStateChange.bind(this);
 this.setRequestHeaders();
 this.body = this.method == 'post' ? (this.options.postBody || params) : null;
 this.transport.send(this.body);
 /* Force Firefox to handle ready state 4 for synchronous requests */
 if (!this.options.asynchronous && this.transport.overrideMimeType)
 this.onStateChange();
 }
 catch (e) {
 this.dispatchException(e);
 }
 },
 onStateChange: function() {
 var readyState = this.transport.readyState;
 if (readyState > 1 && !((readyState == 4) && this._complete))
 this.respondToReadyState(this.transport.readyState);
 },
 setRequestHeaders: function() {
 var headers = {
 'X-Requested-With': 'XMLHttpRequest',
 'X-Prototype-Version': Prototype.Version,
 'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
 };
 if (this.method == 'post') {
 headers['Content-type'] = this.options.contentType +
 (this.options.encoding ? '; charset=' + this.options.encoding : '');
 /* Force "Connection: close" for older Mozilla browsers to work
 * around a bug where XMLHttpRequest sends an incorrect
 * Content-length header. See Mozilla Bugzilla #246651.
 */
 if (this.transport.overrideMimeType &&
 (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
 headers['Connection'] = 'close';
 }
 if (typeof this.options.requestHeaders == 'object') {
 var extras = this.options.requestHeaders;
 if (Object.isFunction(extras.push))
 for (var i = 0, length = extras.length; i < length; i += 2)
 headers[extras[i]] = extras[i+1];
 else
 $H(extras).each(function(pair) { headers[pair.key] = pair.value });
 }
 for (var name in headers)
 this.transport.setRequestHeader(name, headers[name]);
 },
 success: function() {
 var status = this.getStatus();
 return !status || (status >= 200 && status < 300) || status == 304;
 },
 getStatus: function() {
 try {
 if (this.transport.status === 1223) return 204;
 return this.transport.status || 0;
 } catch (e) { return 0 }
 },
 respondToReadyState: function(readyState) {
 var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);
 if (state == 'Complete') {
 try {
 this._complete = true;
 (this.options['on' + response.status]
 || this.options['on' + (this.success() ? 'Success' : 'Failure')]
 || Prototype.emptyFunction)(response, response.headerJSON);
 } catch (e) {
 this.dispatchException(e);
 }
 var contentType = response.getHeader('Content-type');
 if (this.options.evalJS == 'force'
 || (this.options.evalJS && this.isSameOrigin() && contentType
 && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
 this.evalResponse();
 }
 try {
 (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON);
 Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON);
 } catch (e) {
 this.dispatchException(e);
 }
 if (state == 'Complete') {
 this.transport.onreadystatechange = Prototype.emptyFunction;
 }
 },
 isSameOrigin: function() {
 var m = this.url.match(/^\s*https?:\/\/[^\/]*/);
 return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({
 protocol: location.protocol,
 domain: document.domain,
 port: location.port ? ':' + location.port : ''
 }));
 },
 getHeader: function(name) {
 try {
 return this.transport.getResponseHeader(name) || null;
 } catch (e) { return null; }
 },
 evalResponse: function() {
 try {
 return eval((this.transport.responseText || '').unfilterJSON());
 } catch (e) {
 this.dispatchException(e);
 }
 },
 dispatchException: function(exception) {
 (this.options.onException || Prototype.emptyFunction)(this, exception);
 Ajax.Responders.dispatch('onException', this, exception);
 }
});
Ajax.Request.Events =
 ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
Ajax.Response = Class.create({
 initialize: function(request){
 this.request = request;
 var transport = this.transport = request.transport,
 readyState = this.readyState = transport.readyState;
 if ((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) {
 this.status = this.getStatus();
 this.statusText = this.getStatusText();
 this.responseText = String.interpret(transport.responseText);
 this.headerJSON = this._getHeaderJSON();
 }
 if (readyState == 4) {
 var xml = transport.responseXML;
 this.responseXML = Object.isUndefined(xml) ? null : xml;
 this.responseJSON = this._getResponseJSON();
 }
 },
 status: 0,
 statusText: '',
 getStatus: Ajax.Request.prototype.getStatus,
 getStatusText: function() {
 try {
 return this.transport.statusText || '';
 } catch (e) { return '' }
 },
 getHeader: Ajax.Request.prototype.getHeader,
 getAllHeaders: function() {
 try {
 return this.getAllResponseHeaders();
 } catch (e) { return null }
 },
 getResponseHeader: function(name) {
 return this.transport.getResponseHeader(name);
 },
 getAllResponseHeaders: function() {
 return this.transport.getAllResponseHeaders();
 },
 _getHeaderJSON: function() {
 var json = this.getHeader('X-JSON');
 if (!json) return null;
 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 (!Node) var Node = { };
if (!Node.ELEMENT_NODE) {
 Object.extend(Node, {
 ELEMENT_NODE: 1,
 ATTRIBUTE_NODE: 2,
 TEXT_NODE: 3,
 CDATA_SECTION_NODE: 4,
 ENTITY_REFERENCE_NODE: 5,
 ENTITY_NODE: 6,
 PROCESSING_INSTRUCTION_NODE: 7,
 COMMENT_NODE: 8,
 DOCUMENT_NODE: 9,
 DOCUMENT_TYPE_NODE: 10,
 DOCUMENT_FRAGMENT_NODE: 11,
 NOTATION_NODE: 12
 });
}
(function(global) {
 function shouldUseCache(tagName, attributes) {
 if (tagName === 'select') return false;
 if ('type' in attributes) return false;
 return true;
 }
 var HAS_EXTENDED_CREATE_ELEMENT_SYNTAX = (function(){
 try {
 var el = document.createElement('<input name="x">');
 return el.tagName.toLowerCase() === 'input' && el.name === 'x';
 }
 catch(err) {
 return false;
 }
 })();
 var element = global.Element;
 global.Element = function(tagName, attributes) {
 attributes = attributes || { };
 tagName = tagName.toLowerCase();
 var cache = Element.cache;
 if (HAS_EXTENDED_CREATE_ELEMENT_SYNTAX && 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));
 var node = shouldUseCache(tagName, attributes) ?
 cache[tagName].cloneNode(false) : document.createElement(tagName);
 return Element.writeAttribute(node, attributes);
 };
 Object.extend(global.Element, element || { });
 if (element) global.Element.prototype = element.prototype;
})(this);
Element.idCounter = 1;
Element.cache = { };
Element._purgeElement = function(element) {
 var uid = element._prototypeUID;
 if (uid) {
 Element.stopObserving(element);
 element._prototypeUID = void 0;
 delete Element.Storage[uid];
 }
}
Element.Methods = {
 visible: function(element) {
 return $(element).style.display != 'none';
 },
 toggle: function(element) {
 element = $(element);
 Element[Element.visible(element) ? 'hide' : 'show'](element);
 return element;
 },
 hide: function(element) {
 element = $(element);
 element.style.display = 'none';
 return element;
 },
 show: function(element) {
 element = $(element);
 element.style.display = '';
 return element;
 },
 remove: function(element) {
 element = $(element);
 element.parentNode.removeChild(element);
 return element;
 },
 update: (function(){
 var SELECT_ELEMENT_INNERHTML_BUGGY = (function(){
 var el = document.createElement("select"),
 isBuggy = true;
 el.innerHTML = "<option value=\"test\">test</option>";
 if (el.options && el.options[0]) {
 isBuggy = el.options[0].nodeName.toUpperCase() !== "OPTION";
 }
 el = null;
 return isBuggy;
 })();
 var TABLE_ELEMENT_INNERHTML_BUGGY = (function(){
 try {
 var el = document.createElement("table");
 if (el && el.tBodies) {
 el.innerHTML = "<tbody><tr><td>test</td></tr></tbody>";
 var isBuggy = typeof el.tBodies[0] == "undefined";
 el = null;
 return isBuggy;
 }
 } catch (e) {
 return true;
 }
 })();
 var LINK_ELEMENT_INNERHTML_BUGGY = (function() {
 try {
 var el = document.createElement('div');
 el.innerHTML = "<link>";
 var isBuggy = (el.childNodes.length === 0);
 el = null;
 return isBuggy;
 } catch(e) {
 return true;
 }
 })();
 var ANY_INNERHTML_BUGGY = SELECT_ELEMENT_INNERHTML_BUGGY ||
 TABLE_ELEMENT_INNERHTML_BUGGY || LINK_ELEMENT_INNERHTML_BUGGY;
 var SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING = (function () {
 var s = document.createElement("script"),
 isBuggy = false;
 try {
 s.appendChild(document.createTextNode(""));
 isBuggy = !s.firstChild ||
 s.firstChild && s.firstChild.nodeType !== 3;
 } catch (e) {
 isBuggy = true;
 }
 s = null;
 return isBuggy;
 })();
 function update(element, content) {
 element = $(element);
 var purgeElement = Element._purgeElement;
 var descendants = element.getElementsByTagName('*'),
 i = descendants.length;
 while (i--) purgeElement(descendants[i]);
 if (content && content.toElement)
 content = content.toElement();
 if (Object.isElement(content))
 return element.update().insert(content);
 content = Object.toHTML(content);
 var tagName = element.tagName.toUpperCase();
 if (tagName === 'SCRIPT' && SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING) {
 element.text = content;
 return element;
 }
 if (ANY_INNERHTML_BUGGY) {
 if (tagName in Element._insertionTranslations.tags) {
 while (element.firstChild) {
 element.removeChild(element.firstChild);
 }
 Element._getContentFromAnonymousElement(tagName, content.stripScripts())
 .each(function(node) {
 element.appendChild(node)
 });
 } else if (LINK_ELEMENT_INNERHTML_BUGGY && Object.isString(content) && content.indexOf('<link') > -1) {
 while (element.firstChild) {
 element.removeChild(element.firstChild);
 }
 var nodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts(), true);
 nodes.each(function(node) { element.appendChild(node) });
 }
 else {
 element.innerHTML = content.stripScripts();
 }
 }
 else {
 element.innerHTML = content.stripScripts();
 }
 content.evalScripts.bind(content).defer();
 return element;
 }
 return update;
 })(),
 replace: function(element, content) {
 element = $(element);
 if (content && content.toElement) content = content.toElement();
 else if (!Object.isElement(content)) {
 content = Object.toHTML(content);
 var range = element.ownerDocument.createRange();
 range.selectNode(element);
 content.evalScripts.bind(content).defer();
 content = range.createContextualFragment(content.stripScripts());
 }
 element.parentNode.replaceChild(content, element);
 return element;
 },
 insert: function(element, insertions) {
 element = $(element);
 if (Object.isString(insertions) || Object.isNumber(insertions) ||
 Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))
 insertions = {bottom:insertions};
 var content, insert, tagName, childNodes;
 for (var position in insertions) {
 content = insertions[position];
 position = position.toLowerCase();
 insert = Element._insertionTranslations[position];
 if (content && content.toElement) content = content.toElement();
 if (Object.isElement(content)) {
 insert(element, content);
 continue;
 }
 content = Object.toHTML(content);
 tagName = ((position == 'before' || position == 'after')
 ? element.parentNode : element).tagName.toUpperCase();
 childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
 if (position == 'top' || position == 'after') childNodes.reverse();
 childNodes.each(insert.curry(element));
 content.evalScripts.bind(content).defer();
 }
 return element;
 },
 wrap: function(element, wrapper, attributes) {
 element = $(element);
 if (Object.isElement(wrapper))
 $(wrapper).writeAttribute(attributes || { });
 else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes);
 else wrapper = new Element('div', wrapper);
 if (element.parentNode)
 element.parentNode.replaceChild(wrapper, element);
 wrapper.appendChild(element);
 return wrapper;
 },
 inspect: function(element) {
 element = $(element);
 var result = '<' + element.tagName.toLowerCase();
 $H({'id': 'id', 'className': 'class'}).each(function(pair) {
 var property = pair.first(),
 attribute = pair.last(),
 value = (element[property] || '').toString();
 if (value) result += ' ' + attribute + '=' + value.inspect(true);
 });
 return result + '>';
 },
 recursivelyCollect: function(element, property, maximumLength) {
 element = $(element);
 maximumLength = maximumLength || -1;
 var elements = [];
 while (element = element[property]) {
 if (element.nodeType == 1)
 elements.push(Element.extend(element));
 if (elements.length == maximumLength)
 break;
 }
 return elements;
 },
 ancestors: function(element) {
 return Element.recursivelyCollect(element, 'parentNode');
 },
 descendants: function(element) {
 return Element.select(element, "*");
 },
 firstDescendant: function(element) {
 element = $(element).firstChild;
 while (element && element.nodeType != 1) element = element.nextSibling;
 return $(element);
 },
 immediateDescendants: function(element) {
 var results = [], child = $(element).firstChild;
 while (child) {
 if (child.nodeType === 1) {
 results.push(Element.extend(child));
 }
 child = child.nextSibling;
 }
 return results;
 },
 previousSiblings: function(element, maximumLength) {
 return Element.recursivelyCollect(element, 'previousSibling');
 },
 nextSiblings: function(element) {
 return Element.recursivelyCollect(element, 'nextSibling');
 },
 siblings: function(element) {
 element = $(element);
 return Element.previousSiblings(element).reverse()
 .concat(Element.nextSiblings(element));
 },
 match: function(element, selector) {
 element = $(element);
 if (Object.isString(selector))
 return Prototype.Selector.match(element, selector);
 return selector.match(element);
 },
 up: function(element, expression, index) {
 element = $(element);
 if (arguments.length == 1) return $(element.parentNode);
 var ancestors = Element.ancestors(element);
 return Object.isNumber(expression) ? ancestors[expression] :
 Prototype.Selector.find(ancestors, expression, index);
 },
 down: function(element, expression, index) {
 element = $(element);
 if (arguments.length == 1) return Element.firstDescendant(element);
 return Object.isNumber(expression) ? Element.descendants(element)[expression] :
 Element.select(element, expression)[index || 0];
 },
 previous: function(element, expression, index) {
 element = $(element);
 if (Object.isNumber(expression)) index = expression, expression = false;
 if (!Object.isNumber(index)) index = 0;
 if (expression) {
 return Prototype.Selector.find(element.previousSiblings(), expression, index);
 } else {
 return element.recursivelyCollect("previousSibling", index + 1)[index];
 }
 },
 next: function(element, expression, index) {
 element = $(element);
 if (Object.isNumber(expression)) index = expression, expression = false;
 if (!Object.isNumber(index)) index = 0;
 if (expression) {
 return Prototype.Selector.find(element.nextSiblings(), expression, index);
 } else {
 var maximumLength = Object.isNumber(index) ? index + 1 : 1;
 return element.recursivelyCollect("nextSibling", index + 1)[index];
 }
 },
 select: function(element) {
 element = $(element);
 var expressions = Array.prototype.slice.call(arguments, 1).join(', ');
 return Prototype.Selector.select(expressions, element);
 },
 adjacent: function(element) {
 element = $(element);
 var expressions = Array.prototype.slice.call(arguments, 1).join(', ');
 return Prototype.Selector.select(expressions, element.parentNode).without(element);
 },
 identify: function(element) {
 element = $(element);
 var id = Element.readAttribute(element, 'id');
 if (id) return id;
 do { id = 'anonymous_element_' + Element.idCounter++ } while ($(id));
 Element.writeAttribute(element, 'id', id);
 return id;
 },
 readAttribute: function(element, name) {
 element = $(element);
 if (Prototype.Browser.IE) {
 var t = Element._attributeTranslations.read;
 if (t.values[name]) return t.values[name](element, name);
 if (t.names[name]) name = t.names[name];
 if (name.include(':')) {
 return (!element.attributes || !element.attributes[name]) ? null :
 element.attributes[name].value;
 }
 }
 return element.getAttribute(name);
 },
 writeAttribute: function(element, name, value) {
 element = $(element);
 var attributes = { }, t = Element._attributeTranslations.write;
 if (typeof name == 'object') attributes = name;
 else attributes[name] = Object.isUndefined(value) ? true : value;
 for (var attr in attributes) {
 name = t.names[attr] || attr;
 value = attributes[attr];
 if (t.values[attr]) name = t.values[attr](element, value);
 if (value === false || value === null)
 element.removeAttribute(name);
 else if (value === true)
 element.setAttribute(name, name);
 else element.setAttribute(name, value);
 }
 return element;
 },
 getHeight: function(element) {
 return Element.getDimensions(element).height;
 },
 getWidth: function(element) {
 return Element.getDimensions(element).width;
 },
 classNames: function(element) {
 return new Element.ClassNames(element);
 },
 hasClassName: function(element, className) {
 if (!(element = $(element))) return;
 var elementClassName = element.className;
 return (elementClassName.length > 0 && (elementClassName == className ||
 new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName)));
 },
 addClassName: function(element, className) {
 if (!(element = $(element))) return;
 if (!Element.hasClassName(element, className))
 element.className += (element.className ? ' ' : '') + className;
 return element;
 },
 removeClassName: function(element, className) {
 if (!(element = $(element))) return;
 element.className = element.className.replace(
 new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip();
 return element;
 },
 toggleClassName: function(element, className) {
 if (!(element = $(element))) return;
 return Element[Element.hasClassName(element, className) ?
 'removeClassName' : 'addClassName'](element, className);
 },
 cleanWhitespace: function(element) {
 element = $(element);
 var node = element.firstChild;
 while (node) {
 var nextNode = node.nextSibling;
 if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
 element.removeChild(node);
 node = nextNode;
 }
 return element;
 },
 empty: function(element) {
 return $(element).innerHTML.blank();
 },
 descendantOf: function(element, ancestor) {
 element = $(element), ancestor = $(ancestor);
 if (element.compareDocumentPosition)
 return (element.compareDocumentPosition(ancestor) & 8) === 8;
 if (ancestor.contains)
 return ancestor.contains(element) && ancestor !== element;
 while (element = element.parentNode)
 if (element == ancestor) return true;
 return false;
 },
 scrollTo: function(element) {
 element = $(element);
 var pos = Element.cumulativeOffset(element);
 window.scrollTo(pos[0], pos[1]);
 return element;
 },
 getStyle: function(element, style) {
 element = $(element);
 style = style == 'float' ? 'cssFloat' : style.camelize();
 var value = element.style[style];
 if (!value || value == 'auto') {
 var css = document.defaultView.getComputedStyle(element, null);
 value = css ? css[style] : null;
 }
 if (style == 'opacity') return value ? parseFloat(value) : 1.0;
 return value == 'auto' ? null : value;
 },
 getOpacity: function(element) {
 return $(element).getStyle('opacity');
 },
 setStyle: function(element, styles) {
 element = $(element);
 var elementStyle = element.style, match;
 if (Object.isString(styles)) {
 element.style.cssText += ';' + styles;
 return styles.include('opacity') ?
 element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element;
 }
 for (var property in styles)
 if (property == 'opacity') element.setOpacity(styles[property]);
 else
 elementStyle[(property == 'float' || property == 'cssFloat') ?
 (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') :
 property] = styles[property];
 return element;
 },
 setOpacity: function(element, value) {
 element = $(element);
 element.style.opacity = (value == 1 || value === '') ? '' :
 (value < 0.00001) ? 0 : value;
 return element;
 },
 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;
 },
 clonePosition: function(element, source) {
 var options = Object.extend({
 setLeft: true,
 setTop: true,
 setWidth: true,
 setHeight: true,
 offsetTop: 0,
 offsetLeft: 0
 }, arguments[2] || { });
 source = $(source);
 var p = Element.viewportOffset(source), delta = [0, 0], parent = null;
 element = $(element);
 if (Element.getStyle(element, 'position') == 'absolute') {
 parent = Element.getOffsetParent(element);
 delta = Element.viewportOffset(parent);
 }
 if (parent == document.body) {
 delta[0] -= document.body.offsetLeft;
 delta[1] -= document.body.offsetTop;
 }
 if (options.setLeft) element.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px';
 if (options.setTop) element.style.top = (p[1] - delta[1] + options.offsetTop) + 'px';
 if (options.setWidth) element.style.width = source.offsetWidth + 'px';
 if (options.setHeight) element.style.height = source.offsetHeight + 'px';
 return element;
 }
};
Object.extend(Element.Methods, {
 getElementsBySelector: Element.Methods.select,
 childElements: Element.Methods.immediateDescendants
});
Element._attributeTranslations = {
 write: {
 names: {
 className: 'class',
 htmlFor: 'for'
 },
 values: { }
 }
};
if (Prototype.Browser.Opera) {
 Element.Methods.getStyle = Element.Methods.getStyle.wrap(
 function(proceed, element, style) {
 switch (style) {
 case '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.getStyle = function(element, style) {
 element = $(element);
 style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
 var value = element.style[style];
 if (!value && element.currentStyle) value = element.currentStyle[style];
 if (style == 'opacity') {
 if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
 if (value[1]) return parseFloat(value[1]) / 100;
 return 1.0;
 }
 if (value == 'auto') {
 if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))
 return element['offset' + style.capitalize()] + 'px';
 return null;
 }
 return value;
 };
 Element.Methods.setOpacity = function(element, value) {
 function stripAlpha(filter){
 return filter.replace(/alpha\([^\)]*\)/gi,'');
 }
 element = $(element);
 var currentStyle = element.currentStyle;
 if ((currentStyle && !currentStyle.hasLayout) ||
 (!currentStyle && element.style.zoom == 'normal'))
 element.style.zoom = 1;
 var filter = element.getStyle('filter'), style = element.style;
 if (value == 1 || value === '') {
 (filter = stripAlpha(filter)) ?
 style.filter = filter : style.removeAttribute('filter');
 return element;
 } else if (value < 0.00001) value = 0;
 style.filter = stripAlpha(filter) +
 'alpha(opacity=' + (value * 100) + ')';
 return element;
 };
 Element._attributeTranslations = (function(){
 var classProp = 'className',
 forProp = 'for',
 el = document.createElement('div');
 el.setAttribute(classProp, 'x');
 if (el.className !== 'x') {
 el.setAttribute('class', 'x');
 if (el.className === 'x') {
 classProp = 'class';
 }
 }
 el = null;
 el = document.createElement('label');
 el.setAttribute(forProp, 'x');
 if (el.htmlFor !== 'x') {
 el.setAttribute('htmlFor', 'x');
 if (el.htmlFor === 'x') {
 forProp = 'htmlFor';
 }
 }
 el = null;
 return {
 read: {
 names: {
 'class': classProp,
 'className': classProp,
 'for': forProp,
 'htmlFor': forProp
 },
 values: {
 _getAttr: function(element, attribute) {
 return element.getAttribute(attribute);
 },
 _getAttr2: function(element, attribute) {
 return element.getAttribute(attribute, 2);
 },
 _getAttrNode: function(element, attribute) {
 var node = element.getAttributeNode(attribute);
 return node ? node.value : "";
 },
 _getEv: (function(){
 var el = document.createElement('div'), f;
 el.onclick = Prototype.emptyFunction;
 var value = el.getAttribute('onclick');
 if (String(value).indexOf('{') > -1) {
 f = function(element, attribute) {
 attribute = element.getAttribute(attribute);
 if (!attribute) return null;
 attribute = attribute.toString();
 attribute = attribute.split('{')[1];
 attribute = attribute.split('}')[0];
 return attribute.strip();
 };
 }
 else if (value === '') {
 f = function(element, attribute) {
 attribute = element.getAttribute(attribute);
 if (!attribute) return null;
 return attribute.strip();
 };
 }
 el = null;
 return f;
 })(),
 _flag: function(element, attribute) {
 return $(element).hasAttribute(attribute) ? attribute : null;
 },
 style: function(element) {
 return element.style.cssText.toLowerCase();
 },
 title: function(element) {
 return element.title;
 }
 }
 }
 }
 })();
 Element._attributeTranslations.write = {
 names: Object.extend({
 cellpadding: 'cellPadding',
 cellspacing: 'cellSpacing'
 }, Element._attributeTranslations.read.names),
 values: {
 checked: function(element, value) {
 element.checked = !!value;
 },
 style: function(element, value) {
 element.style.cssText = value ? value : '';
 }
 }
 };
 Element._attributeTranslations.has = {};
 $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +
 'encType maxLength readOnly longDesc frameBorder').each(function(attr) {
 Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
 Element._attributeTranslations.has[attr.toLowerCase()] = attr;
 });
 (function(v) {
 Object.extend(v, {
 href: v._getAttr2,
 src: v._getAttr2,
 type: v._getAttr,
 action: v._getAttrNode,
 disabled: v._flag,
 checked: v._flag,
 readonly: v._flag,
 multiple: v._flag,
 onload: v._getEv,
 onunload: v._getEv,
 onclick: v._getEv,
 ondblclick: v._getEv,
 onmousedown: v._getEv,
 onmouseup: v._getEv,
 onmouseover: v._getEv,
 onmousemove: v._getEv,
 onmouseout: v._getEv,
 onfocus: v._getEv,
 onblur: v._getEv,
 onkeypress: v._getEv,
 onkeydown: v._getEv,
 onkeyup: v._getEv,
 onsubmit: v._getEv,
 onreset: v._getEv,
 onselect: v._getEv,
 onchange: v._getEv
 });
 })(Element._attributeTranslations.read.values);
 if (Prototype.BrowserFeatures.ElementExtensions) {
 (function() {
 function _descendants(element) {
 var nodes = element.getElementsByTagName('*'), results = [];
 for (var i = 0, node; node = nodes[i]; i++)
 if (node.tagName !== "!") // Filter out comment nodes.
 results.push(node);
 return results;
 }
 Element.Methods.down = function(element, expression, index) {
 element = $(element);
 if (arguments.length == 1) return element.firstDescendant();
 return Object.isNumber(expression) ? _descendants(element)[expression] :
 Element.select(element, expression)[index || 0];
 }
 })();
 }
}
else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) {
 Element.Methods.setOpacity = function(element, value) {
 element = $(element);
 element.style.opacity = (value == 1) ? 0.999999 :
 (value === '') ? '' : (value < 0.00001) ? 0 : value;
 return element;
 };
}
else if (Prototype.Browser.WebKit) {
 Element.Methods.setOpacity = function(element, value) {
 element = $(element);
 element.style.opacity = (value == 1 || value === '') ? '' :
 (value < 0.00001) ? 0 : value;
 if (value == 1)
 if (element.tagName.toUpperCase() == 'IMG' && element.width) {
 element.width++; element.width--;
 } else try {
 var n = document.createTextNode(' ');
 element.appendChild(n);
 element.removeChild(n);
 } catch (e) { }
 return element;
 };
}
if ('outerHTML' in document.documentElement) {
 Element.Methods.replace = function(element, content) {
 element = $(element);
 if (content && content.toElement) content = content.toElement();
 if (Object.isElement(content)) {
 element.parentNode.replaceChild(content, element);
 return element;
 }
 content = Object.toHTML(content);
 var parent = element.parentNode, tagName = parent.tagName.toUpperCase();
 if (Element._insertionTranslations.tags[tagName]) {
 var nextSibling = element.next(),
 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, force) {
 var div = new Element('div'),
 t = Element._insertionTranslations.tags[tagName];
 var workaround = false;
 if (t) workaround = true;
 else if (force) {
 workaround = true;
 t = ['', '', 0];
 }
 if (workaround) {
 div.innerHTML = '&nbsp;' + t[0] + html + t[1];
 div.removeChild(div.firstChild);
 for (var i = t[2]; i--; ) {
 div = div.firstChild;
 }
 }
 else {
 div.innerHTML = html;
 }
 return $A(div.childNodes);
};
Element._insertionTranslations = {
 before: function(element, node) {
 element.parentNode.insertBefore(node, element);
 },
 top: function(element, node) {
 element.insertBefore(node, element.firstChild);
 },
 bottom: function(element, node) {
 element.appendChild(node);
 },
 after: function(element, node) {
 element.parentNode.insertBefore(node, element.nextSibling);
 },
 tags: {
 TABLE: ['<table>', '</table>', 1],
 TBODY: ['<table><tbody>', '</tbody></table>', 2],
 TR: ['<table><tbody><tr>', '</tr></tbody></table>', 3],
 TD: ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
 SELECT: ['<select>', '</select>', 1]
 }
};
(function() {
 var tags = Element._insertionTranslations.tags;
 Object.extend(tags, {
 THEAD: tags.TBODY,
 TFOOT: tags.TBODY,
 TH: tags.TD
 });
})();
Element.Methods.Simulated = {
 hasAttribute: function(element, attribute) {
 attribute = Element._attributeTranslations.has[attribute] || attribute;
 var node = $(element).getAttributeNode(attribute);
 return !!(node && node.specified);
 }
};
Element.Methods.ByTag = { };
Object.extend(Element, Element.Methods);
(function(div) {
 if (!Prototype.BrowserFeatures.ElementExtensions && div['__proto__']) {
 window.HTMLElement = { };
 window.HTMLElement.prototype = div['__proto__'];
 Prototype.BrowserFeatures.ElementExtensions = true;
 }
 div = null;
})(document.createElement('div'));
Element.extend = (function() {
 function checkDeficiency(tagName) {
 if (typeof window.Element != 'undefined') {
 var proto = window.Element.prototype;
 if (proto) {
 var id = '_' + (Math.random()+'').slice(2),
 el = document.createElement(tagName);
 proto[id] = 'x';
 var isBuggy = (el[id] !== 'x');
 delete proto[id];
 el = null;
 return isBuggy;
 }
 }
 return false;
 }
 function extendElementWith(element, methods) {
 for (var property in methods) {
 var value = methods[property];
 if (Object.isFunction(value) && !(property in element))
 element[property] = value.methodize();
 }
 }
 var HTMLOBJECTELEMENT_PROTOTYPE_BUGGY = checkDeficiency('object');
 if (Prototype.BrowserFeatures.SpecificElementExtensions) {
 if (HTMLOBJECTELEMENT_PROTOTYPE_BUGGY) {
 return function(element) {
 if (element && typeof element._extendedByPrototype == 'undefined') {
 var t = element.tagName;
 if (t && (/^(?:object|applet|embed)$/i.test(t))) {
 extendElementWith(element, Element.Methods);
 extendElementWith(element, Element.Methods.Simulated);
 extendElementWith(element, Element.Methods.ByTag[t.toUpperCase()]);
 }
 }
 return element;
 }
 }
 return Prototype.K;
 }
 var Methods = { }, ByTag = Element.Methods.ByTag;
 var extend = Object.extend(function(element) {
 if (!element || typeof element._extendedByPrototype != 'undefined' ||
 element.nodeType != 1 || element == window) return element;
 var methods = Object.clone(Methods),
 tagName = element.tagName.toUpperCase();
 if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);
 extendElementWith(element, methods);
 element._extendedByPrototype = Prototype.emptyFunction;
 return element;
 }, {
 refresh: function() {
 if (!Prototype.BrowserFeatures.ElementExtensions) {
 Object.extend(Methods, Element.Methods);
 Object.extend(Methods, Element.Methods.Simulated);
 }
 }
 });
 extend.refresh();
 return extend;
})();
if (document.documentElement.hasAttribute) {
 Element.hasAttribute = function(element, attribute) {
 return element.hasAttribute(attribute);
 };
}
else {
 Element.hasAttribute = Element.Methods.Simulated.hasAttribute;
}
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),
 "BUTTON": Object.clone(Form.Element.Methods)
 });
 }
 if (arguments.length == 2) {
 var tagName = methods;
 methods = arguments[1];
 }
 if (!tagName) Object.extend(Element.Methods, methods || { });
 else {
 if (Object.isArray(tagName)) tagName.each(extend);
 else extend(tagName);
 }
 function extend(tagName) {
 tagName = tagName.toUpperCase();
 if (!Element.Methods.ByTag[tagName])
 Element.Methods.ByTag[tagName] = { };
 Object.extend(Element.Methods.ByTag[tagName], methods);
 }
 function copy(methods, destination, onlyIfAbsent) {
 onlyIfAbsent = onlyIfAbsent || false;
 for (var property in methods) {
 var value = methods[property];
 if (!Object.isFunction(value)) continue;
 if (!onlyIfAbsent || !(property in destination))
 destination[property] = value.methodize();
 }
 }
 function findDOMClass(tagName) {
 var klass;
 var trans = {
 "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
 "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
 "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
 "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
 "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
 "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
 "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
 "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
 "FrameSet", "IFRAME": "IFrame"
 };
 if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element';
 if (window[klass]) return window[klass];
 klass = 'HTML' + tagName + 'Element';
 if (window[klass]) return window[klass];
 klass = 'HTML' + tagName.capitalize() + 'Element';
 if (window[klass]) return window[klass];
 var element = document.createElement(tagName),
 proto = element['__proto__'] || element.constructor.prototype;
 element = null;
 return proto;
 }
 var elementPrototype = window.HTMLElement ? HTMLElement.prototype :
 Element.prototype;
 if (F.ElementExtensions) {
 copy(Element.Methods, elementPrototype);
 copy(Element.Methods.Simulated, elementPrototype, true);
 }
 if (F.SpecificElementExtensions) {
 for (var tag in Element.Methods.ByTag) {
 var klass = findDOMClass(tag);
 if (Object.isUndefined(klass)) continue;
 copy(T[tag], klass.prototype);
 }
 }
 Object.extend(Element, Element.Methods);
 delete Element.ByTag;
 if (Element.extend.refresh) Element.extend.refresh();
 Element.cache = { };
};
document.viewport = {
 getDimensions: function() {
 return { width: this.getWidth(), height: this.getHeight() };
 },
 getScrollOffsets: function() {
 return Element._returnOffset(
 window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
 window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop);
 }
};
(function(viewport) {
 var B = Prototype.Browser, doc = document, element, property = {};
 function getRootElement() {
 if (B.WebKit && !doc.evaluate)
 return document;
 if (B.Opera && window.parseFloat(window.opera.version()) < 9.5)
 return document.body;
 return document.documentElement;
 }
 function define(D) {
 if (!element) element = getRootElement();
 property[D] = 'client' + D;
 viewport['get' + D] = function() { return element[property[D]] };
 return viewport['get' + D]();
 }
 viewport.getWidth = define.curry('Width');
 viewport.getHeight = define.curry('Height');
})(document.viewport);
Element.Storage = {
 UID: 1
};
Element.addMethods({
 getStorage: function(element) {
 if (!(element = $(element))) return;
 var uid;
 if (element === window) {
 uid = 0;
 } else {
 if (typeof element._prototypeUID === "undefined")
 element._prototypeUID = Element.Storage.UID++;
 uid = element._prototypeUID;
 }
 if (!Element.Storage[uid])
 Element.Storage[uid] = $H();
 return Element.Storage[uid];
 },
 store: function(element, key, value) {
 if (!(element = $(element))) return;
 if (arguments.length === 2) {
 Element.getStorage(element).update(key);
 } else {
 Element.getStorage(element).set(key, value);
 }
 return element;
 },
 retrieve: function(element, key, defaultValue) {
 if (!(element = $(element))) return;
 var hash = Element.getStorage(element), value = hash.get(key);
 if (Object.isUndefined(value)) {
 hash.set(key, defaultValue);
 value = defaultValue;
 }
 return value;
 },
 clone: function(element, deep) {
 if (!(element = $(element))) return;
 var clone = element.cloneNode(deep);
 clone._prototypeUID = void 0;
 if (deep) {
 var descendants = Element.select(clone, '*'),
 i = descendants.length;
 while (i--) {
 descendants[i]._prototypeUID = void 0;
 }
 }
 return Element.extend(clone);
 },
 purge: function(element) {
 if (!(element = $(element))) return;
 var purgeElement = Element._purgeElement;
 purgeElement(element);
 var descendants = element.getElementsByTagName('*'),
 i = descendants.length;
 while (i--) purgeElement(descendants[i]);
 return null;
 }
});
(function() {
 function toDecimal(pctString) {
 var match = pctString.match(/^(\d+)%?$/i);
 if (!match) return null;
 return (Number(match[1]) / 100);
 }
 function getPixelValue(value, property, context) {
 var element = null;
 if (Object.isElement(value)) {
 element = value;
 value = element.getStyle(property);
 }
 if (value === null) {
 return null;
 }
 if ((/^(?:-)?\d+(\.\d+)?(px)?$/i).test(value)) {
 return window.parseFloat(value);
 }
 var isPercentage = value.include('%'), isViewport = (context === document.viewport);
 if (/\d/.test(value) && element && element.runtimeStyle && !(isPercentage && isViewport)) {
 var style = element.style.left, rStyle = element.runtimeStyle.left;
 element.runtimeStyle.left = element.currentStyle.left;
 element.style.left = value || 0;
 value = element.style.pixelLeft;
 element.style.left = style;
 element.runtimeStyle.left = rStyle;
 return value;
 }
 if (element && isPercentage) {
 context = context || element.parentNode;
 var decimal = toDecimal(value);
 var whole = null;
 var position = element.getStyle('position');
 var isHorizontal = property.include('left') || property.include('right') ||
 property.include('width');
 var isVertical = property.include('top') || property.include('bottom') ||
 property.include('height');
 if (context === document.viewport) {
 if (isHorizontal) {
 whole = document.viewport.getWidth();
 } else if (isVertical) {
 whole = document.viewport.getHeight();
 }
 } else {
 if (isHorizontal) {
 whole = $(context).measure('width');
 } else if (isVertical) {
 whole = $(context).measure('height');
 }
 }
 return (whole === null) ? 0 : whole * decimal;
 }
 return 0;
 }
 function toCSSPixels(number) {
 if (Object.isString(number) && number.endsWith('px')) {
 return number;
 }
 return number + 'px';
 }
 function isDisplayed(element) {
 var originalElement = element;
 while (element && element.parentNode) {
 var display = element.getStyle('display');
 if (display === 'none') {
 return false;
 }
 element = $(element.parentNode);
 }
 return true;
 }
 var hasLayout = Prototype.K;
 if ('currentStyle' in document.documentElement) {
 hasLayout = function(element) {
 if (!element.currentStyle.hasLayout) {
 element.style.zoom = 1;
 }
 return element;
 };
 }
 function cssNameFor(key) {
 if (key.include('border')) key = key + '-width';
 return key.camelize();
 }
 Element.Layout = Class.create(Hash, {
 initialize: function($super, element, preCompute) {
 $super();
 this.element = $(element);
 Element.Layout.PROPERTIES.each( function(property) {
 this._set(property, null);
 }, this);
 if (preCompute) {
 this._preComputing = true;
 this._begin();
 Element.Layout.PROPERTIES.each( this._compute, this );
 this._end();
 this._preComputing = false;
 }
 },
 _set: function(property, value) {
 return Hash.prototype.set.call(this, property, value);
 },
 set: function(property, value) {
 throw "Properties of Element.Layout are read-only.";
 },
 get: function($super, property) {
 var value = $super(property);
 return value === null ? this._compute(property) : value;
 },
 _begin: function() {
 if (this._prepared) return;
 var element = this.element;
 if (isDisplayed(element)) {
 this._prepared = true;
 return;
 }
 var originalStyles = {
 position: element.style.position || '',
 width: element.style.width || '',
 visibility: element.style.visibility || '',
 display: element.style.display || ''
 };
 element.store('prototype_original_styles', originalStyles);
 var position = element.getStyle('position'),
 width = element.getStyle('width');
 if (width === "0px" || width === null) {
 element.style.display = 'block';
 width = element.getStyle('width');
 }
 var context = (position === 'fixed') ? document.viewport :
 element.parentNode;
 element.setStyle({
 position: 'absolute',
 visibility: 'hidden',
 display: 'block'
 });
 var positionedWidth = element.getStyle('width');
 var newWidth;
 if (width && (positionedWidth === width)) {
 newWidth = getPixelValue(element, 'width', context);
 } else if (position === 'absolute' || position === 'fixed') {
 newWidth = getPixelValue(element, 'width', context);
 } else {
 var parent = element.parentNode, pLayout = $(parent).getLayout();
 newWidth = pLayout.get('width') -
 this.get('margin-left') -
 this.get('border-left') -
 this.get('padding-left') -
 this.get('padding-right') -
 this.get('border-right') -
 this.get('margin-right');
 }
 element.setStyle({ width: newWidth + 'px' });
 this._prepared = true;
 },
 _end: function() {
 var element = this.element;
 var originalStyles = element.retrieve('prototype_original_styles');
 element.store('prototype_original_styles', null);
 element.setStyle(originalStyles);
 this._prepared = false;
 },
 _compute: function(property) {
 var COMPUTATIONS = Element.Layout.COMPUTATIONS;
 if (!(property in COMPUTATIONS)) {
 throw "Property not found.";
 }
 return this._set(property, COMPUTATIONS[property].call(this, this.element));
 },
 toObject: function() {
 var args = $A(arguments);
 var keys = (args.length === 0) ? Element.Layout.PROPERTIES :
 args.join(' ').split(' ');
 var obj = {};
 keys.each( function(key) {
 if (!Element.Layout.PROPERTIES.include(key)) return;
 var value = this.get(key);
 if (value != null) obj[key] = value;
 }, this);
 return obj;
 },
 toHash: function() {
 var obj = this.toObject.apply(this, arguments);
 return new Hash(obj);
 },
 toCSS: function() {
 var args = $A(arguments);
 var keys = (args.length === 0) ? Element.Layout.PROPERTIES :
 args.join(' ').split(' ');
 var css = {};
 keys.each( function(key) {
 if (!Element.Layout.PROPERTIES.include(key)) return;
 if (Element.Layout.COMPOSITE_PROPERTIES.include(key)) return;
 var value = this.get(key);
 if (value != null) css[cssNameFor(key)] = value + 'px';
 }, this);
 return css;
 },
 inspect: function() {
 return "#<Element.Layout>";
 }
 });
 Object.extend(Element.Layout, {
 PROPERTIES: $w('height width top left right bottom border-left border-right border-top border-bottom padding-left padding-right padding-top padding-bottom margin-top margin-bottom margin-left margin-right padding-box-width padding-box-height border-box-width border-box-height margin-box-width margin-box-height'),
 COMPOSITE_PROPERTIES: $w('padding-box-width padding-box-height margin-box-width margin-box-height border-box-width border-box-height'),
 COMPUTATIONS: {
 'height': function(element) {
 if (!this._preComputing) this._begin();
 var bHeight = this.get('border-box-height');
 if (bHeight <= 0) {
 if (!this._preComputing) this._end();
 return 0;
 }
 var bTop = this.get('border-top'),
 bBottom = this.get('border-bottom');
 var pTop = this.get('padding-top'),
 pBottom = this.get('padding-bottom');
 if (!this._preComputing) this._end();
 return bHeight - bTop - bBottom - pTop - pBottom;
 },
 'width': function(element) {
 if (!this._preComputing) this._begin();
 var bWidth = this.get('border-box-width');
 if (bWidth <= 0) {
 if (!this._preComputing) this._end();
 return 0;
 }
 var bLeft = this.get('border-left'),
 bRight = this.get('border-right');
 var pLeft = this.get('padding-left'),
 pRight = this.get('padding-right');
 if (!this._preComputing) this._end();
 return bWidth - bLeft - bRight - pLeft - pRight;
 },
 'padding-box-height': function(element) {
 var height = this.get('height'),
 pTop = this.get('padding-top'),
 pBottom = this.get('padding-bottom');
 return height + pTop + pBottom;
 },
 'padding-box-width': function(element) {
 var width = this.get('width'),
 pLeft = this.get('padding-left'),
 pRight = this.get('padding-right');
 return width + pLeft + pRight;
 },
 'border-box-height': function(element) {
 if (!this._preComputing) this._begin();
 var height = element.offsetHeight;
 if (!this._preComputing) this._end();
 return height;
 },
 'border-box-width': function(element) {
 if (!this._preComputing) this._begin();
 var width = element.offsetWidth;
 if (!this._preComputing) this._end();
 return width;
 },
 'margin-box-height': function(element) {
 var bHeight = this.get('border-box-height'),
 mTop = this.get('margin-top'),
 mBottom = this.get('margin-bottom');
 if (bHeight <= 0) return 0;
 return bHeight + mTop + mBottom;
 },
 'margin-box-width': function(element) {
 var bWidth = this.get('border-box-width'),
 mLeft = this.get('margin-left'),
 mRight = this.get('margin-right');
 if (bWidth <= 0) return 0;
 return bWidth + mLeft + mRight;
 },
 'top': function(element) {
 var offset = element.positionedOffset();
 return offset.top;
 },
 'bottom': function(element) {
 var offset = element.positionedOffset(),
 parent = element.getOffsetParent(),
 pHeight = parent.measure('height');
 var mHeight = this.get('border-box-height');
 return pHeight - mHeight - offset.top;
 },
 'left': function(element) {
 var offset = element.positionedOffset();
 return offset.left;
 },
 'right': function(element) {
 var offset = element.positionedOffset(),
 parent = element.getOffsetParent(),
 pWidth = parent.measure('width');
 var mWidth = this.get('border-box-width');
 return pWidth - mWidth - offset.left;
 },
 'padding-top': function(element) {
 return getPixelValue(element, 'paddingTop');
 },
 'padding-bottom': function(element) {
 return getPixelValue(element, 'paddingBottom');
 },
 'padding-left': function(element) {
 return getPixelValue(element, 'paddingLeft');
 },
 'padding-right': function(element) {
 return getPixelValue(element, 'paddingRight');
 },
 'border-top': function(element) {
 return getPixelValue(element, 'borderTopWidth');
 },
 'border-bottom': function(element) {
 return getPixelValue(element, 'borderBottomWidth');
 },
 'border-left': function(element) {
 return getPixelValue(element, 'borderLeftWidth');
 },
 'border-right': function(element) {
 return getPixelValue(element, 'borderRightWidth');
 },
 'margin-top': function(element) {
 return getPixelValue(element, 'marginTop');
 },
 'margin-bottom': function(element) {
 return getPixelValue(element, 'marginBottom');
 },
 'margin-left': function(element) {
 return getPixelValue(element, 'marginLeft');
 },
 'margin-right': function(element) {
 return getPixelValue(element, 'marginRight');
 }
 }
 });
 if ('getBoundingClientRect' in document.documentElement) {
 Object.extend(Element.Layout.COMPUTATIONS, {
 'right': function(element) {
 var parent = hasLayout(element.getOffsetParent());
 var rect = element.getBoundingClientRect(),
 pRect = parent.getBoundingClientRect();
 return (pRect.right - rect.right).round();
 },
 'bottom': function(element) {
 var parent = hasLayout(element.getOffsetParent());
 var rect = element.getBoundingClientRect(),
 pRect = parent.getBoundingClientRect();
 return (pRect.bottom - rect.bottom).round();
 }
 });
 }
 Element.Offset = Class.create({
 initialize: function(left, top) {
 this.left = left.round();
 this.top = top.round();
 this[0] = this.left;
 this[1] = this.top;
 },
 relativeTo: function(offset) {
 return new Element.Offset(
 this.left - offset.left,
 this.top - offset.top
 );
 },
 inspect: function() {
 return "#<Element.Offset left: #{left} top: #{top}>".interpolate(this);
 },
 toString: function() {
 return "[#{left}, #{top}]".interpolate(this);
 },
 toArray: function() {
 return [this.left, this.top];
 }
 });
 function getLayout(element, preCompute) {
 return new Element.Layout(element, preCompute);
 }
 function measure(element, property) {
 return $(element).getLayout().get(property);
 }
 function getDimensions(element) {
 element = $(element);
 var display = Element.getStyle(element, 'display');
 if (display && display !== 'none') {
 return { width: element.offsetWidth, height: element.offsetHeight };
 }
 var style = element.style;
 var originalStyles = {
 visibility: style.visibility,
 position: style.position,
 display: style.display
 };
 var newStyles = {
 visibility: 'hidden',
 display: 'block'
 };
 if (originalStyles.position !== 'fixed')
 newStyles.position = 'absolute';
 Element.setStyle(element, newStyles);
 var dimensions = {
 width: element.offsetWidth,
 height: element.offsetHeight
 };
 Element.setStyle(element, originalStyles);
 return dimensions;
 }
 function getOffsetParent(element) {
 element = $(element);
 if (isDocument(element) || isDetached(element) || isBody(element) || isHtml(element))
 return $(document.body);
 var isInline = (Element.getStyle(element, 'display') === 'inline');
 if (!isInline && element.offsetParent) return $(element.offsetParent);
 while ((element = element.parentNode) && element !== document.body) {
 if (Element.getStyle(element, 'position') !== 'static') {
 return isHtml(element) ? $(document.body) : $(element);
 }
 }
 return $(document.body);
 }
 function cumulativeOffset(element) {
 element = $(element);
 var valueT = 0, valueL = 0;
 if (element.parentNode) {
 do {
 valueT += element.offsetTop || 0;
 valueL += element.offsetLeft || 0;
 element = element.offsetParent;
 } while (element);
 }
 return new Element.Offset(valueL, valueT);
 }
 function positionedOffset(element) {
 element = $(element);
 var layout = element.getLayout();
 var valueT = 0, valueL = 0;
 do {
 valueT += element.offsetTop || 0;
 valueL += element.offsetLeft || 0;
 element = element.offsetParent;
 if (element) {
 if (isBody(element)) break;
 var p = Element.getStyle(element, 'position');
 if (p !== 'static') break;
 }
 } while (element);
 valueL -= layout.get('margin-top');
 valueT -= layout.get('margin-left');
 return new Element.Offset(valueL, valueT);
 }
 function cumulativeScrollOffset(element) {
 var valueT = 0, valueL = 0;
 do {
 valueT += element.scrollTop || 0;
 valueL += element.scrollLeft || 0;
 element = element.parentNode;
 } while (element);
 return new Element.Offset(valueL, valueT);
 }
 function viewportOffset(forElement) {
 element = $(element);
 var valueT = 0, valueL = 0, docBody = document.body;
 var element = forElement;
 do {
 valueT += element.offsetTop || 0;
 valueL += element.offsetLeft || 0;
 if (element.offsetParent == docBody &&
 Element.getStyle(element, 'position') == 'absolute') break;
 } while (element = element.offsetParent);
 element = forElement;
 do {
 if (element != docBody) {
 valueT -= element.scrollTop || 0;
 valueL -= element.scrollLeft || 0;
 }
 } while (element = element.parentNode);
 return new Element.Offset(valueL, valueT);
 }
 function absolutize(element) {
 element = $(element);
 if (Element.getStyle(element, 'position') === 'absolute') {
 return element;
 }
 var offsetParent = getOffsetParent(element);
 var eOffset = element.viewportOffset(),
 pOffset = offsetParent.viewportOffset();
 var offset = eOffset.relativeTo(pOffset);
 var layout = element.getLayout();
 element.store('prototype_absolutize_original_styles', {
 left: element.getStyle('left'),
 top: element.getStyle('top'),
 width: element.getStyle('width'),
 height: element.getStyle('height')
 });
 element.setStyle({
 position: 'absolute',
 top: offset.top + 'px',
 left: offset.left + 'px',
 width: layout.get('width') + 'px',
 height: layout.get('height') + 'px'
 });
 return element;
 }
 function relativize(element) {
 element = $(element);
 if (Element.getStyle(element, 'position') === 'relative') {
 return element;
 }
 var originalStyles =
 element.retrieve('prototype_absolutize_original_styles');
 if (originalStyles) element.setStyle(originalStyles);
 return element;
 }
 if (Prototype.Browser.IE) {
 getOffsetParent = getOffsetParent.wrap(
 function(proceed, element) {
 element = $(element);
 if (isDocument(element) || isDetached(element) || isBody(element) || isHtml(element))
 return $(document.body);
 var position = element.getStyle('position');
 if (position !== 'static') return proceed(element);
 element.setStyle({ position: 'relative' });
 var value = proceed(element);
 element.setStyle({ position: position });
 return value;
 }
 );
 positionedOffset = positionedOffset.wrap(function(proceed, element) {
 element = $(element);
 if (!element.parentNode) return new Element.Offset(0, 0);
 var position = element.getStyle('position');
 if (position !== 'static') return proceed(element);
 var offsetParent = element.getOffsetParent();
 if (offsetParent && offsetParent.getStyle('position') === 'fixed')
 hasLayout(offsetParent);
 element.setStyle({ position: 'relative' });
 var value = proceed(element);
 element.setStyle({ position: position });
 return value;
 });
 } else if (Prototype.Browser.Webkit) {
 cumulativeOffset = function(element) {
 element = $(element);
 var valueT = 0, valueL = 0;
 do {
 valueT += element.offsetTop || 0;
 valueL += element.offsetLeft || 0;
 if (element.offsetParent == document.body)
 if (Element.getStyle(element, 'position') == 'absolute') break;
 element = element.offsetParent;
 } while (element);
 return new Element.Offset(valueL, valueT);
 };
 }
 Element.addMethods({
 getLayout: getLayout,
 measure: measure,
 getDimensions: getDimensions,
 getOffsetParent: getOffsetParent,
 cumulativeOffset: cumulativeOffset,
 positionedOffset: positionedOffset,
 cumulativeScrollOffset: cumulativeScrollOffset,
 viewportOffset: viewportOffset,
 absolutize: absolutize,
 relativize: relativize
 });
 function isBody(element) {
 return element.nodeName.toUpperCase() === 'BODY';
 }
 function isHtml(element) {
 return element.nodeName.toUpperCase() === 'HTML';
 }
 function isDocument(element) {
 return element.nodeType === Node.DOCUMENT_NODE;
 }
 function isDetached(element) {
 return element !== document.body &&
 !Element.descendantOf(element, document.body);
 }
 if ('getBoundingClientRect' in document.documentElement) {
 Element.addMethods({
 viewportOffset: function(element) {
 element = $(element);
 if (isDetached(element)) return new Element.Offset(0, 0);
 var rect = element.getBoundingClientRect(),
 docEl = document.documentElement;
 return new Element.Offset(rect.left - docEl.clientLeft,
 rect.top - docEl.clientTop);
 }
 });
 }
})();
window.$$ = function() {
 var expression = $A(arguments).join(', ');
 return Prototype.Selector.select(expression, document);
};
Prototype.Selector = (function() {
 function select() {
 throw new Error('Method "Prototype.Selector.select" must be defined.');
 }
 function match() {
 throw new Error('Method "Prototype.Selector.match" must be defined.');
 }
 function find(elements, expression, index) {
 index = index || 0;
 var match = Prototype.Selector.match, length = elements.length, matchIndex = 0, i;
 for (i = 0; i < length; i++) {
 if (match(elements[i], expression) && index == matchIndex++) {
 return Element.extend(elements[i]);
 }
 }
 }
 function extendElements(elements) {
 for (var i = 0, length = elements.length; i < length; i++) {
 Element.extend(elements[i]);
 }
 return elements;
 }
 var K = Prototype.K;
 return {
 select: select,
 match: match,
 find: find,
 extendElements: (Element.extend === K) ? K : extendElements,
 extendElement: Element.extend
 };
})();
Prototype._original_property = window.Sizzle;
/*!
 * Sizzle CSS Selector Engine - v1.0
 * Copyright 2009, The Dojo Foundation
 * Released under the MIT, BSD, and GPL Licenses.
 * More information: http://sizzlejs.com/
 */
(function(){
var chunker = /((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^[\]]*\]|['"][^'"]*['"]|[^[\]'"]+)+\]|\\.|[^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?((?:.|\r|\n)*)/g,
	done = 0,
	toString = Object.prototype.toString,
	hasDuplicate = false,
	baseHasDuplicate = true;
[0, 0].sort(function(){
	baseHasDuplicate = false;
	return 0;
});
var Sizzle = function(selector, context, results, seed) {
	results = results || [];
	var origContext = context = context || document;
	if ( context.nodeType !== 1 && context.nodeType !== 9 ) {
	return [];
	}
	if ( !selector || typeof selector !== "string" ) {
	return results;
	}
	var parts = [], m, set, checkSet, check, mode, extra, prune = true, contextXML = isXML(context),
	soFar = selector;
	while ( (chunker.exec(""), m = chunker.exec(soFar)) !== null ) {
	soFar = m[3];
	parts.push( m[1] );
	if ( m[2] ) {
	extra = m[3];
	break;
	}
	}
	if ( parts.length > 1 && origPOS.exec( selector ) ) {
	if ( parts.length === 2 && Expr.relative[ parts[0] ] ) {
	set = posProcess( parts[0] + parts[1], context );
	} else {
	set = Expr.relative[ parts[0] ] ?
	[ context ] :
	Sizzle( parts.shift(), context );
	while ( parts.length ) {
	selector = parts.shift();
	if ( Expr.relative[ selector ] )
	selector += parts.shift();
	set = posProcess( selector, set );
	}
	}
	} else {
	if ( !seed && parts.length > 1 && context.nodeType === 9 && !contextXML &&
	Expr.match.ID.test(parts[0]) && !Expr.match.ID.test(parts[parts.length - 1]) ) {
	var ret = Sizzle.find( parts.shift(), context, contextXML );
	context = ret.expr ? Sizzle.filter( ret.expr, ret.set )[0] : ret.set[0];
	}
	if ( context ) {
	var ret = seed ?
	{ expr: parts.pop(), set: makeArray(seed) } :
	Sizzle.find( parts.pop(), parts.length === 1 && (parts[0] === "~" || parts[0] === "+") && context.parentNode ? context.parentNode : context, contextXML );
	set = ret.expr ? Sizzle.filter( ret.expr, ret.set ) : ret.set;
	if ( parts.length > 0 ) {
	checkSet = makeArray(set);
	} else {
	prune = false;
	}
	while ( parts.length ) {
	var cur = parts.pop(), pop = cur;
	if ( !Expr.relative[ cur ] ) {
	cur = "";
	} else {
	pop = parts.pop();
	}
	if ( pop == null ) {
	pop = context;
	}
	Expr.relative[ cur ]( checkSet, pop, contextXML );
	}
	} else {
	checkSet = parts = [];
	}
	}
	if ( !checkSet ) {
	checkSet = set;
	}
	if ( !checkSet ) {
	throw "Syntax error, unrecognized expression: " + (cur || selector);
	}
	if ( toString.call(checkSet) === "[object Array]" ) {
	if ( !prune ) {
	results.push.apply( results, checkSet );
	} else if ( context && context.nodeType === 1 ) {
	for ( var i = 0; checkSet[i] != null; i++ ) {
	if ( checkSet[i] && (checkSet[i] === true || checkSet[i].nodeType === 1 && contains(context, checkSet[i])) ) {
	results.push( set[i] );
	}
	}
	} else {
	for ( var i = 0; checkSet[i] != null; i++ ) {
	if ( checkSet[i] && checkSet[i].nodeType === 1 ) {
	results.push( set[i] );
	}
	}
	}
	} else {
	makeArray( checkSet, results );
	}
	if ( extra ) {
	Sizzle( extra, origContext, results, seed );
	Sizzle.uniqueSort( results );
	}
	return results;
};
Sizzle.uniqueSort = function(results){
	if ( sortOrder ) {
	hasDuplicate = baseHasDuplicate;
	results.sort(sortOrder);
	if ( hasDuplicate ) {
	for ( var i = 1; i < results.length; i++ ) {
	if ( results[i] === results[i-1] ) {
	results.splice(i--, 1);
	}
	}
	}
	}
	return results;
};
Sizzle.matches = function(expr, set){
	return Sizzle(expr, null, null, set);
};
Sizzle.find = function(expr, context, isXML){
	var set, match;
	if ( !expr ) {
	return [];
	}
	for ( var i = 0, l = Expr.order.length; i < l; i++ ) {
	var type = Expr.order[i], match;
	if ( (match = Expr.leftMatch[ type ].exec( expr )) ) {
	var left = match[1];
	match.splice(1,1);
	if ( left.substr( left.length - 1 ) !== "\\" ) {
	match[1] = (match[1] || "").replace(/\\/g, "");
	set = Expr.find[ type ]( match, context, isXML );
	if ( set != null ) {
	expr = expr.replace( Expr.match[ type ], "" );
	break;
	}
	}
	}
	}
	if ( !set ) {
	set = context.getElementsByTagName("*");
	}
	return {set: set, expr: expr};
};
Sizzle.filter = function(expr, set, inplace, not){
	var old = expr, result = [], curLoop = set, match, anyFound,
	isXMLFilter = set && set[0] && isXML(set[0]);
	while ( expr && set.length ) {
	for ( var type in Expr.filter ) {
	if ( (match = Expr.match[ type ].exec( expr )) != null ) {
	var filter = Expr.filter[ type ], found, item;
	anyFound = false;
	if ( curLoop == result ) {
	result = [];
	}
	if ( Expr.preFilter[ type ] ) {
	match = Expr.preFilter[ type ]( match, curLoop, inplace, result, not, isXMLFilter );
	if ( !match ) {
	anyFound = found = true;
	} else if ( match === true ) {
	continue;
	}
	}
	if ( match ) {
	for ( var i = 0; (item = curLoop[i]) != null; i++ ) {
	if ( item ) {
	found = filter( item, match, i, curLoop );
	var pass = not ^ !!found;
	if ( inplace && found != null ) {
	if ( pass ) {
	anyFound = true;
	} else {
	curLoop[i] = false;
	}
	} else if ( pass ) {
	result.push( item );
	anyFound = true;
	}
	}
	}
	}
	if ( found !== undefined ) {
	if ( !inplace ) {
	curLoop = result;
	}
	expr = expr.replace( Expr.match[ type ], "" );
	if ( !anyFound ) {
	return [];
	}
	break;
	}
	}
	}
	if ( expr == old ) {
	if ( anyFound == null ) {
	throw "Syntax error, unrecognized expression: " + expr;
	} else {
	break;
	}
	}
	old = expr;
	}
	return curLoop;
};
var Expr = Sizzle.selectors = {
	order: [ "ID", "NAME", "TAG" ],
	match: {
	ID: /#((?:[\w\u00c0-\uFFFF-]|\\.)+)/,
	CLASS: /\.((?:[\w\u00c0-\uFFFF-]|\\.)+)/,
	NAME: /\[name=['"]*((?:[\w\u00c0-\uFFFF-]|\\.)+)['"]*\]/,
	ATTR: /\[\s*((?:[\w\u00c0-\uFFFF-]|\\.)+)\s*(?:(\S?=)\s*(['"]*)(.*?)\3|)\s*\]/,
	TAG: /^((?:[\w\u00c0-\uFFFF\*-]|\\.)+)/,
	CHILD: /:(only|nth|last|first)-child(?:\((even|odd|[\dn+-]*)\))?/,
	POS: /:(nth|eq|gt|lt|first|last|even|odd)(?:\((\d*)\))?(?=[^-]|$)/,
	PSEUDO: /:((?:[\w\u00c0-\uFFFF-]|\\.)+)(?:\((['"]*)((?:\([^\)]+\)|[^\2\(\)]*)+)\2\))?/
	},
	leftMatch: {},
	attrMap: {
	"class": "className",
	"for": "htmlFor"
	},
	attrHandle: {
	href: function(elem){
	return elem.getAttribute("href");
	}
	},
	relative: {
	"+": function(checkSet, part, isXML){
	var isPartStr = typeof part === "string",
	isTag = isPartStr && !/\W/.test(part),
	isPartStrNotTag = isPartStr && !isTag;
	if ( isTag && !isXML ) {
	part = part.toUpperCase();
	}
	for ( var i = 0, l = checkSet.length, elem; i < l; i++ ) {
	if ( (elem = checkSet[i]) ) {
	while ( (elem = elem.previousSibling) && elem.nodeType !== 1 ) {}
	checkSet[i] = isPartStrNotTag || elem && elem.nodeName === part ?
	elem || false :
	elem === part;
	}
	}
	if ( isPartStrNotTag ) {
	Sizzle.filter( part, checkSet, true );
	}
	},
	">": function(checkSet, part, isXML){
	var isPartStr = typeof part === "string";
	if ( isPartStr && !/\W/.test(part) ) {
	part = isXML ? part : part.toUpperCase();
	for ( var i = 0, l = checkSet.length; i < l; i++ ) {
	var elem = checkSet[i];
	if ( elem ) {
	var parent = elem.parentNode;
	checkSet[i] = parent.nodeName === part ? parent : false;
	}
	}
	} else {
	for ( var i = 0, l = checkSet.length; i < l; i++ ) {
	var elem = checkSet[i];
	if ( elem ) {
	checkSet[i] = isPartStr ?
	elem.parentNode :
	elem.parentNode === part;
	}
	}
	if ( isPartStr ) {
	Sizzle.filter( part, checkSet, true );
	}
	}
	},
	"": function(checkSet, part, isXML){
	var doneName = done++, checkFn = dirCheck;
	if ( !/\W/.test(part) ) {
	var nodeCheck = part = isXML ? part : part.toUpperCase();
	checkFn = dirNodeCheck;
	}
	checkFn("parentNode", part, doneName, checkSet, nodeCheck, isXML);
	},
	"~": function(checkSet, part, isXML){
	var doneName = done++, checkFn = dirCheck;
	if ( typeof part === "string" && !/\W/.test(part) ) {
	var nodeCheck = part = isXML ? part : part.toUpperCase();
	checkFn = dirNodeCheck;
	}
	checkFn("previousSibling", part, doneName, checkSet, nodeCheck, isXML);
	}
	},
	find: {
	ID: function(match, context, isXML){
	if ( typeof context.getElementById !== "undefined" && !isXML ) {
	var m = context.getElementById(match[1]);
	return m ? [m] : [];
	}
	},
	NAME: function(match, context, isXML){
	if ( typeof context.getElementsByName !== "undefined" ) {
	var ret = [], results = context.getElementsByName(match[1]);
	for ( var i = 0, l = results.length; i < l; i++ ) {
	if ( results[i].getAttribute("name") === match[1] ) {
	ret.push( results[i] );
	}
	}
	return ret.length === 0 ? null : ret;
	}
	},
	TAG: function(match, context){
	return context.getElementsByTagName(match[1]);
	}
	},
	preFilter: {
	CLASS: function(match, curLoop, inplace, result, not, isXML){
	match = " " + match[1].replace(/\\/g, "") + " ";
	if ( isXML ) {
	return match;
	}
	for ( var i = 0, elem; (elem = curLoop[i]) != null; i++ ) {
	if ( elem ) {
	if ( not ^ (elem.className && (" " + elem.className + " ").indexOf(match) >= 0) ) {
	if ( !inplace )
	result.push( elem );
	} else if ( inplace ) {
	curLoop[i] = false;
	}
	}
	}
	return false;
	},
	ID: function(match){
	return match[1].replace(/\\/g, "");
	},
	TAG: function(match, curLoop){
	for ( var i = 0; curLoop[i] === false; i++ ){}
	return curLoop[i] && isXML(curLoop[i]) ? match[1] : match[1].toUpperCase();
	},
	CHILD: function(match){
	if ( match[1] == "nth" ) {
	var test = /(-?)(\d*)n((?:\+|-)?\d*)/.exec(
	match[2] == "even" && "2n" || match[2] == "odd" && "2n+1" ||
	!/\D/.test( match[2] ) && "0n+" + match[2] || match[2]);
	match[2] = (test[1] + (test[2] || 1)) - 0;
	match[3] = test[3] - 0;
	}
	match[0] = done++;
	return match;
	},
	ATTR: function(match, curLoop, inplace, result, not, isXML){
	var name = match[1].replace(/\\/g, "");
	if ( !isXML && Expr.attrMap[name] ) {
	match[1] = Expr.attrMap[name];
	}
	if ( match[2] === "~=" ) {
	match[4] = " " + match[4] + " ";
	}
	return match;
	},
	PSEUDO: function(match, curLoop, inplace, result, not){
	if ( match[1] === "not" ) {
	if ( ( chunker.exec(match[3]) || "" ).length > 1 || /^\w/.test(match[3]) ) {
	match[3] = Sizzle(match[3], null, null, curLoop);
	} else {
	var ret = Sizzle.filter(match[3], curLoop, inplace, true ^ not);
	if ( !inplace ) {
	result.push.apply( result, ret );
	}
	return false;
	}
	} else if ( Expr.match.POS.test( match[0] ) || Expr.match.CHILD.test( match[0] ) ) {
	return true;
	}
	return match;
	},
	POS: function(match){
	match.unshift( true );
	return match;
	}
	},
	filters: {
	enabled: function(elem){
	return elem.disabled === false && elem.type !== "hidden";
	},
	disabled: function(elem){
	return elem.disabled === true;
	},
	checked: function(elem){
	return elem.checked === true;
	},
	selected: function(elem){
	elem.parentNode.selectedIndex;
	return elem.selected === true;
	},
	parent: function(elem){
	return !!elem.firstChild;
	},
	empty: function(elem){
	return !elem.firstChild;
	},
	has: function(elem, i, match){
	return !!Sizzle( match[3], elem ).length;
	},
	header: function(elem){
	return /h\d/i.test( elem.nodeName );
	},
	text: function(elem){
	return "text" === elem.type;
	},
	radio: function(elem){
	return "radio" === elem.type;
	},
	checkbox: function(elem){
	return "checkbox" === elem.type;
	},
	file: function(elem){
	return "file" === elem.type;
	},
	password: function(elem){
	return "password" === elem.type;
	},
	submit: function(elem){
	return "submit" === elem.type;
	},
	image: function(elem){
	return "image" === elem.type;
	},
	reset: function(elem){
	return "reset" === elem.type;
	},
	button: function(elem){
	return "button" === elem.type || elem.nodeName.toUpperCase() === "BUTTON";
	},
	input: function(elem){
	return /input|select|textarea|button/i.test(elem.nodeName);
	}
	},
	setFilters: {
	first: function(elem, i){
	return i === 0;
	},
	last: function(elem, i, match, array){
	return i === array.length - 1;
	},
	even: function(elem, i){
	return i % 2 === 0;
	},
	odd: function(elem, i){
	return i % 2 === 1;
	},
	lt: function(elem, i, match){
	return i < match[3] - 0;
	},
	gt: function(elem, i, match){
	return i > match[3] - 0;
	},
	nth: function(elem, i, match){
	return match[3] - 0 == i;
	},
	eq: function(elem, i, match){
	return match[3] - 0 == i;
	}
	},
	filter: {
	PSEUDO: function(elem, match, i, array){
	var name = match[1], filter = Expr.filters[ name ];
	if ( filter ) {
	return filter( elem, i, match, array );
	} else if ( name === "contains" ) {
	return (elem.textContent || elem.innerText || "").indexOf(match[3]) >= 0;
	} else if ( name === "not" ) {
	var not = match[3];
	for ( var i = 0, l = not.length; i < l; i++ ) {
	if ( not[i] === elem ) {
	return false;
	}
	}
	return true;
	}
	},
	CHILD: function(elem, match){
	var type = match[1], node = elem;
	switch (type) {
	case 'only':
	case 'first':
	while ( (node = node.previousSibling) ) {
	if ( node.nodeType === 1 ) return false;
	}
	if ( type == 'first') return true;
	node = elem;
	case 'last':
	while ( (node = node.nextSibling) ) {
	if ( node.nodeType === 1 ) return false;
	}
	return true;
	case 'nth':
	var first = match[2], last = match[3];
	if ( first == 1 && last == 0 ) {
	return true;
	}
	var doneName = match[0],
	parent = elem.parentNode;
	if ( parent && (parent.sizcache !== doneName || !elem.nodeIndex) ) {
	var count = 0;
	for ( node = parent.firstChild; node; node = node.nextSibling ) {
	if ( node.nodeType === 1 ) {
	node.nodeIndex = ++count;
	}
	}
	parent.sizcache = doneName;
	}
	var diff = elem.nodeIndex - last;
	if ( first == 0 ) {
	return diff == 0;
	} else {
	return ( diff % first == 0 && diff / first >= 0 );
	}
	}
	},
	ID: function(elem, match){
	return elem.nodeType === 1 && elem.getAttribute("id") === match;
	},
	TAG: function(elem, match){
	return (match === "*" && elem.nodeType === 1) || elem.nodeName === match;
	},
	CLASS: function(elem, match){
	return (" " + (elem.className || elem.getAttribute("class")) + " ")
	.indexOf( match ) > -1;
	},
	ATTR: function(elem, match){
	var name = match[1],
	result = Expr.attrHandle[ name ] ?
	Expr.attrHandle[ name ]( elem ) :
	elem[ name ] != null ?
	elem[ name ] :
	elem.getAttribute( name ),
	value = result + "",
	type = match[2],
	check = match[4];
	return result == null ?
	type === "!=" :
	type === "=" ?
	value === check :
	type === "*=" ?
	value.indexOf(check) >= 0 :
	type === "~=" ?
	(" " + value + " ").indexOf(check) >= 0 :
	!check ?
	value && result !== false :
	type === "!=" ?
	value != check :
	type === "^=" ?
	value.indexOf(check) === 0 :
	type === "$=" ?
	value.substr(value.length - check.length) === check :
	type === "|=" ?
	value === check || value.substr(0, check.length + 1) === check + "-" :
	false;
	},
	POS: function(elem, match, i, array){
	var name = match[2], filter = Expr.setFilters[ name ];
	if ( filter ) {
	return filter( elem, i, match, array );
	}
	}
	}
};
var origPOS = Expr.match.POS;
for ( var type in Expr.match ) {
	Expr.match[ type ] = new RegExp( Expr.match[ type ].source + /(?![^\[]*\])(?![^\(]*\))/.source );
	Expr.leftMatch[ type ] = new RegExp( /(^(?:.|\r|\n)*?)/.source + Expr.match[ type ].source );
}
var makeArray = function(array, results) {
	array = Array.prototype.slice.call( array, 0 );
	if ( results ) {
	results.push.apply( results, array );
	return results;
	}
	return array;
};
try {
	Array.prototype.slice.call( document.documentElement.childNodes, 0 );
} catch(e){
	makeArray = function(array, results) {
	var ret = results || [];
	if ( toString.call(array) === "[object Array]" ) {
	Array.prototype.push.apply( ret, array );
	} else {
	if ( typeof array.length === "number" ) {
	for ( var i = 0, l = array.length; i < l; i++ ) {
	ret.push( array[i] );
	}
	} else {
	for ( var i = 0; array[i]; i++ ) {
	ret.push( array[i] );
	}
	}
	}
	return ret;
	};
}
var sortOrder;
if ( document.documentElement.compareDocumentPosition ) {
	sortOrder = function( a, b ) {
	if ( !a.compareDocumentPosition || !b.compareDocumentPosition ) {
	if ( a == b ) {
	hasDuplicate = true;
	}
	return 0;
	}
	var ret = a.compareDocumentPosition(b) & 4 ? -1 : a === b ? 0 : 1;
	if ( ret === 0 ) {
	hasDuplicate = true;
	}
	return ret;
	};
} else if ( "sourceIndex" in document.documentElement ) {
	sortOrder = function( a, b ) {
	if ( !a.sourceIndex || !b.sourceIndex ) {
	if ( a == b ) {
	hasDuplicate = true;
	}
	return 0;
	}
	var ret = a.sourceIndex - b.sourceIndex;
	if ( ret === 0 ) {
	hasDuplicate = true;
	}
	return ret;
	};
} else if ( document.createRange ) {
	sortOrder = function( a, b ) {
	if ( !a.ownerDocument || !b.ownerDocument ) {
	if ( a == b ) {
	hasDuplicate = true;
	}
	return 0;
	}
	var aRange = a.ownerDocument.createRange(), bRange = b.ownerDocument.createRange();
	aRange.setStart(a, 0);
	aRange.setEnd(a, 0);
	bRange.setStart(b, 0);
	bRange.setEnd(b, 0);
	var ret = aRange.compareBoundaryPoints(Range.START_TO_END, bRange);
	if ( ret === 0 ) {
	hasDuplicate = true;
	}
	return ret;
	};
}
(function(){
	var form = document.createElement("div"),
	id = "script" + (new Date).getTime();
	form.innerHTML = "<a name='" + id + "'/>";
	var root = document.documentElement;
	root.insertBefore( form, root.firstChild );
	if ( !!document.getElementById( id ) ) {
	Expr.find.ID = function(match, context, isXML){
	if ( typeof context.getElementById !== "undefined" && !isXML ) {
	var m = context.getElementById(match[1]);
	return m ? m.id === match[1] || typeof m.getAttributeNode !== "undefined" && m.getAttributeNode("id").nodeValue === match[1] ? [m] : undefined : [];
	}
	};
	Expr.filter.ID = function(elem, match){
	var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id");
	return elem.nodeType === 1 && node && node.nodeValue === match;
	};
	}
	root.removeChild( form );
	root = form = null; // release memory in IE
})();
(function(){
	var div = document.createElement("div");
	div.appendChild( document.createComment("") );
	if ( div.getElementsByTagName("*").length > 0 ) {
	Expr.find.TAG = function(match, context){
	var results = context.getElementsByTagName(match[1]);
	if ( match[1] === "*" ) {
	var tmp = [];
	for ( var i = 0; results[i]; i++ ) {
	if ( results[i].nodeType === 1 ) {
	tmp.push( results[i] );
	}
	}
	results = tmp;
	}
	return results;
	};
	}
	div.innerHTML = "<a href='#'></a>";
	if ( div.firstChild && typeof div.firstChild.getAttribute !== "undefined" &&
	div.firstChild.getAttribute("href") !== "#" ) {
	Expr.attrHandle.href = function(elem){
	return elem.getAttribute("href", 2);
	};
	}
	div = null; // release memory in IE
})();
if ( document.querySelectorAll ) (function(){
	var oldSizzle = Sizzle, div = document.createElement("div");
	div.innerHTML = "<p class='TEST'></p>";
	if ( div.querySelectorAll && div.querySelectorAll(".TEST").length === 0 ) {
	return;
	}
	Sizzle = function(query, context, extra, seed){
	context = context || document;
	if ( !seed && context.nodeType === 9 && !isXML(context) ) {
	try {
	return makeArray( context.querySelectorAll(query), extra );
	} catch(e){}
	}
	return oldSizzle(query, context, extra, seed);
	};
	for ( var prop in oldSizzle ) {
	Sizzle[ prop ] = oldSizzle[ prop ];
	}
	div = null; // release memory in IE
})();
if ( document.getElementsByClassName && document.documentElement.getElementsByClassName ) (function(){
	var div = document.createElement("div");
	div.innerHTML = "<div class='test e'></div><div class='test'></div>";
	if ( div.getElementsByClassName("e").length === 0 )
	return;
	div.lastChild.className = "e";
	if ( div.getElementsByClassName("e").length === 1 )
	return;
	Expr.order.splice(1, 0, "CLASS");
	Expr.find.CLASS = function(match, context, isXML) {
	if ( typeof context.getElementsByClassName !== "undefined" && !isXML ) {
	return context.getElementsByClassName(match[1]);
	}
	};
	div = null; // release memory in IE
})();
function dirNodeCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) {
	var sibDir = dir == "previousSibling" && !isXML;
	for ( var i = 0, l = checkSet.length; i < l; i++ ) {
	var elem = checkSet[i];
	if ( elem ) {
	if ( sibDir && elem.nodeType === 1 ){
	elem.sizcache = doneName;
	elem.sizset = i;
	}
	elem = elem[dir];
	var match = false;
	while ( elem ) {
	if ( elem.sizcache === doneName ) {
	match = checkSet[elem.sizset];
	break;
	}
	if ( elem.nodeType === 1 && !isXML ){
	elem.sizcache = doneName;
	elem.sizset = i;
	}
	if ( elem.nodeName === cur ) {
	match = elem;
	break;
	}
	elem = elem[dir];
	}
	checkSet[i] = match;
	}
	}
}
function dirCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) {
	var sibDir = dir == "previousSibling" && !isXML;
	for ( var i = 0, l = checkSet.length; i < l; i++ ) {
	var elem = checkSet[i];
	if ( elem ) {
	if ( sibDir && elem.nodeType === 1 ) {
	elem.sizcache = doneName;
	elem.sizset = i;
	}
	elem = elem[dir];
	var match = false;
	while ( elem ) {
	if ( elem.sizcache === doneName ) {
	match = checkSet[elem.sizset];
	break;
	}
	if ( elem.nodeType === 1 ) {
	if ( !isXML ) {
	elem.sizcache = doneName;
	elem.sizset = i;
	}
	if ( typeof cur !== "string" ) {
	if ( elem === cur ) {
	match = true;
	break;
	}
	} else if ( Sizzle.filter( cur, [elem] ).length > 0 ) {
	match = elem;
	break;
	}
	}
	elem = elem[dir];
	}
	checkSet[i] = match;
	}
	}
}
var contains = document.compareDocumentPosition ? function(a, b){
	return a.compareDocumentPosition(b) & 16;
} : function(a, b){
	return a !== b && (a.contains ? a.contains(b) : true);
};
var isXML = function(elem){
	return elem.nodeType === 9 && elem.documentElement.nodeName !== "HTML" ||
	!!elem.ownerDocument && elem.ownerDocument.documentElement.nodeName !== "HTML";
};
var posProcess = function(selector, context){
	var tmpSet = [], later = "", match,
	root = context.nodeType ? [context] : context;
	while ( (match = Expr.match.PSEUDO.exec( selector )) ) {
	later += match[0];
	selector = selector.replace( Expr.match.PSEUDO, "" );
	}
	selector = Expr.relative[selector] ? selector + "*" : selector;
	for ( var i = 0, l = root.length; i < l; i++ ) {
	Sizzle( selector, root[i], tmpSet );
	}
	return Sizzle.filter( later, tmpSet );
};
window.Sizzle = Sizzle;
})();
;(function(engine) {
 var extendElements = Prototype.Selector.extendElements;
 function select(selector, scope) {
 return extendElements(engine(selector, scope || document));
 }
 function match(element, selector) {
 return engine.matches(selector, [element]).length == 1;
 }
 Prototype.Selector.engine = engine;
 Prototype.Selector.select = select;
 Prototype.Selector.match = match;
})(Sizzle);
window.Sizzle = Prototype._original_property;
delete Prototype._original_property;
var Form = {
 reset: function(form) {
 form = $(form);
 form.reset();
 return form;
 },
 serializeElements: function(elements, options) {
 if (typeof options != 'object') options = { hash: !!options };
 else if (Object.isUndefined(options.hash)) options.hash = true;
 var key, value, submitted = false, submit = options.submit, accumulator, initial;
 if (options.hash) {
 initial = {};
 accumulator = function(result, key, value) {
 if (key in result) {
 if (!Object.isArray(result[key])) result[key] = [result[key]];
 result[key].push(value);
 } else result[key] = value;
 return result;
 };
 } else {
 initial = '';
 accumulator = function(result, key, value) {
 return result + (result ? '&' : '') + encodeURIComponent(key) + '=' + encodeURIComponent(value);
 }
 }
 return elements.inject(initial, function(result, element) {
 if (!element.disabled && element.name) {
 key = element.name; value = $(element).getValue();
 if (value != null && element.type != 'file' && (element.type != 'submit' || (!submitted &&
 submit !== false && (!submit || key == submit) && (submitted = true)))) {
 result = accumulator(result, key, value);
 }
 }
 return result;
 });
 }
};
Form.Methods = {
 serialize: function(form, options) {
 return Form.serializeElements(Form.getElements(form), options);
 },
 getElements: function(form) {
 var elements = $(form).getElementsByTagName('*'),
 element,
 arr = [ ],
 serializers = Form.Element.Serializers;
 for (var i = 0; element = elements[i]; i++) {
 arr.push(element);
 }
 return arr.inject([], function(elements, child) {
 if (serializers[child.tagName.toLowerCase()])
 elements.push(Element.extend(child));
 return elements;
 })
 },
 getInputs: function(form, typeName, name) {
 form = $(form);
 var inputs = form.getElementsByTagName('input');
 if (!typeName && !name) return $A(inputs).map(Element.extend);
 for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
 var input = inputs[i];
 if ((typeName && input.type != typeName) || (name && input.name != name))
 continue;
 matchingInputs.push(Element.extend(input));
 }
 return matchingInputs;
 },
 disable: function(form) {
 form = $(form);
 Form.getElements(form).invoke('disable');
 return form;
 },
 enable: function(form) {
 form = $(form);
 Form.getElements(form).invoke('enable');
 return form;
 },
 findFirstElement: function(form) {
 var elements = $(form).getElements().findAll(function(element) {
 return 'hidden' != element.type && !element.disabled;
 });
 var firstByIndex = elements.findAll(function(element) {
 return element.hasAttribute('tabIndex') && element.tabIndex >= 0;
 }).sortBy(function(element) { return element.tabIndex }).first();
 return firstByIndex ? firstByIndex : elements.find(function(element) {
 return /^(?:input|select|textarea)$/i.test(element.tagName);
 });
 },
 focusFirstElement: function(form) {
 form = $(form);
 var element = form.findFirstElement();
 if (element) element.activate();
 return form;
 },
 request: function(form, options) {
 form = $(form), options = Object.clone(options || { });
 var params = options.parameters, action = form.readAttribute('action') || '';
 if (action.blank()) action = window.location.href;
 options.parameters = form.serialize(true);
 if (params) {
 if (Object.isString(params)) params = params.toQueryParams();
 Object.extend(options.parameters, params);
 }
 if (form.hasAttribute('method') && !options.method)
 options.method = form.method;
 return new Ajax.Request(action, options);
 }
};
/*--------------------------------------------------------------------------*/
Form.Element = {
 focus: function(element) {
 $(element).focus();
 return element;
 },
 select: function(element) {
 $(element).select();
 return element;
 }
};
Form.Element.Methods = {
 serialize: function(element) {
 element = $(element);
 if (!element.disabled && element.name) {
 var value = element.getValue();
 if (value != undefined) {
 var pair = { };
 pair[element.name] = value;
 return Object.toQueryString(pair);
 }
 }
 return '';
 },
 getValue: function(element) {
 element = $(element);
 var method = element.tagName.toLowerCase();
 return Form.Element.Serializers[method](element);
 },
 setValue: function(element, value) {
 element = $(element);
 var method = element.tagName.toLowerCase();
 Form.Element.Serializers[method](element, value);
 return element;
 },
 clear: function(element) {
 $(element).value = '';
 return element;
 },
 present: function(element) {
 return $(element).value != '';
 },
 activate: function(element) {
 element = $(element);
 try {
 element.focus();
 if (element.select && (element.tagName.toLowerCase() != 'input' ||
 !(/^(?:button|reset|submit)$/i.test(element.type))))
 element.select();
 } catch (e) { }
 return element;
 },
 disable: function(element) {
 element = $(element);
 element.disabled = true;
 return element;
 },
 enable: function(element) {
 element = $(element);
 element.disabled = false;
 return element;
 }
};
/*--------------------------------------------------------------------------*/
var Field = Form.Element;
var $F = Form.Element.Methods.getValue;
/*--------------------------------------------------------------------------*/
Form.Element.Serializers = (function() {
 function input(element, value) {
 switch (element.type.toLowerCase()) {
 case 'checkbox':
 case 'radio':
 return inputSelector(element, value);
 default:
 return valueSelector(element, value);
 }
 }
 function inputSelector(element, value) {
 if (Object.isUndefined(value))
 return element.checked ? element.value : null;
 else element.checked = !!value;
 }
 function valueSelector(element, value) {
 if (Object.isUndefined(value)) return element.value;
 else element.value = value;
 }
 function select(element, value) {
 if (Object.isUndefined(value))
 return (element.type === 'select-one' ? selectOne : selectMany)(element);
 var opt, currentValue, single = !Object.isArray(value);
 for (var i = 0, length = element.length; i < length; i++) {
 opt = element.options[i];
 currentValue = this.optionValue(opt);
 if (single) {
 if (currentValue == value) {
 opt.selected = true;
 return;
 }
 }
 else opt.selected = value.include(currentValue);
 }
 }
 function selectOne(element) {
 var index = element.selectedIndex;
 return index >= 0 ? optionValue(element.options[index]) : null;
 }
 function selectMany(element) {
 var values, length = element.length;
 if (!length) return null;
 for (var i = 0, values = []; i < length; i++) {
 var opt = element.options[i];
 if (opt.selected) values.push(optionValue(opt));
 }
 return values;
 }
 function optionValue(opt) {
 return Element.hasAttribute(opt, 'value') ? opt.value : opt.text;
 }
 return {
 input: input,
 inputSelector: inputSelector,
 textarea: valueSelector,
 select: select,
 selectOne: selectOne,
 selectMany: selectMany,
 optionValue: optionValue,
 button: valueSelector
 };
})();
/*--------------------------------------------------------------------------*/
Abstract.TimedObserver = Class.create(PeriodicalExecuter, {
 initialize: function($super, element, frequency, callback) {
 $super(callback, frequency);
 this.element = $(element);
 this.lastValue = this.getValue();
 },
 execute: function() {
 var value = this.getValue();
 if (Object.isString(this.lastValue) && Object.isString(value) ?
 this.lastValue != value : String(this.lastValue) != String(value)) {
 this.callback(this.element, value);
 this.lastValue = value;
 }
 }
});
Form.Element.Observer = Class.create(Abstract.TimedObserver, {
 getValue: function() {
 return Form.Element.getValue(this.element);
 }
});
Form.Observer = Class.create(Abstract.TimedObserver, {
 getValue: function() {
 return Form.serialize(this.element);
 }
});
/*--------------------------------------------------------------------------*/
Abstract.EventObserver = Class.create({
 initialize: function(element, callback) {
 this.element = $(element);
 this.callback = callback;
 this.lastValue = this.getValue();
 if (this.element.tagName.toLowerCase() == 'form')
 this.registerFormCallbacks();
 else
 this.registerCallback(this.element);
 },
 onElementEvent: function() {
 var value = this.getValue();
 if (this.lastValue != value) {
 this.callback(this.element, value);
 this.lastValue = value;
 }
 },
 registerFormCallbacks: function() {
 Form.getElements(this.element).each(this.registerCallback, this);
 },
 registerCallback: function(element) {
 if (element.type) {
 switch (element.type.toLowerCase()) {
 case 'checkbox':
 case 'radio':
 Event.observe(element, 'click', this.onElementEvent.bind(this));
 break;
 default:
 Event.observe(element, 'change', this.onElementEvent.bind(this));
 break;
 }
 }
 }
});
Form.Element.EventObserver = Class.create(Abstract.EventObserver, {
 getValue: function() {
 return Form.Element.getValue(this.element);
 }
});
Form.EventObserver = Class.create(Abstract.EventObserver, {
 getValue: function() {
 return Form.serialize(this.element);
 }
});
(function() {
 var Event = {
 KEY_BACKSPACE: 8,
 KEY_TAB: 9,
 KEY_RETURN: 13,
 KEY_ESC: 27,
 KEY_LEFT: 37,
 KEY_UP: 38,
 KEY_RIGHT: 39,
 KEY_DOWN: 40,
 KEY_DELETE: 46,
 KEY_HOME: 36,
 KEY_END: 35,
 KEY_PAGEUP: 33,
 KEY_PAGEDOWN: 34,
 KEY_INSERT: 45,
 cache: {}
 };
 var docEl = document.documentElement;
 var MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED = 'onmouseenter' in docEl
 && 'onmouseleave' in docEl;
 var isIELegacyEvent = function(event) { return false; };
 if (window.attachEvent) {
 if (window.addEventListener) {
 isIELegacyEvent = function(event) {
 return !(event instanceof window.Event);
 };
 } else {
 isIELegacyEvent = function(event) { return true; };
 }
 }
 var _isButton;
 function _isButtonForDOMEvents(event, code) {
 return event.which ? (event.which === code + 1) : (event.button === code);
 }
 var legacyButtonMap = { 0: 1, 1: 4, 2: 2 };
 function _isButtonForLegacyEvents(event, code) {
 return event.button === legacyButtonMap[code];
 }
 function _isButtonForWebKit(event, code) {
 switch (code) {
 case 0: return event.which == 1 && !event.metaKey;
 case 1: return event.which == 2 || (event.which == 1 && event.metaKey);
 case 2: return event.which == 3;
 default: return false;
 }
 }
 if (window.attachEvent) {
 if (!window.addEventListener) {
 _isButton = _isButtonForLegacyEvents;
 } else {
 _isButton = function(event, code) {
 return isIELegacyEvent(event) ? _isButtonForLegacyEvents(event, code) :
 _isButtonForDOMEvents(event, code);
 }
 }
 } else if (Prototype.Browser.WebKit) {
 _isButton = _isButtonForWebKit;
 } else {
 _isButton = _isButtonForDOMEvents;
 }
 function isLeftClick(event) { return _isButton(event, 0) }
 function isMiddleClick(event) { return _isButton(event, 1) }
 function isRightClick(event) { return _isButton(event, 2) }
 function element(event) {
 event = Event.extend(event);
 var node = event.target, type = event.type,
 currentTarget = event.currentTarget;
 if (currentTarget && currentTarget.tagName) {
 if (type === 'load' || type === 'error' ||
 (type === 'click' && currentTarget.tagName.toLowerCase() === 'input'
 && currentTarget.type === 'radio'))
 node = currentTarget;
 }
 if (node.nodeType == Node.TEXT_NODE)
 node = node.parentNode;
 return Element.extend(node);
 }
 function findElement(event, expression) {
 var element = Event.element(event);
 if (!expression) return element;
 while (element) {
 if (Object.isElement(element) && Prototype.Selector.match(element, expression)) {
 return Element.extend(element);
 }
 element = element.parentNode;
 }
 }
 function pointer(event) {
 return { x: pointerX(event), y: pointerY(event) };
 }
 function pointerX(event) {
 var docElement = document.documentElement,
 body = document.body || { scrollLeft: 0 };
 return event.pageX || (event.clientX +
 (docElement.scrollLeft || body.scrollLeft) -
 (docElement.clientLeft || 0));
 }
 function pointerY(event) {
 var docElement = document.documentElement,
 body = document.body || { scrollTop: 0 };
 return event.pageY || (event.clientY +
 (docElement.scrollTop || body.scrollTop) -
 (docElement.clientTop || 0));
 }
 function stop(event) {
 Event.extend(event);
 event.preventDefault();
 event.stopPropagation();
 event.stopped = true;
 }
 Event.Methods = {
 isLeftClick: isLeftClick,
 isMiddleClick: isMiddleClick,
 isRightClick: isRightClick,
 element: element,
 findElement: findElement,
 pointer: pointer,
 pointerX: pointerX,
 pointerY: pointerY,
 stop: stop
 };
 var methods = Object.keys(Event.Methods).inject({ }, function(m, name) {
 m[name] = Event.Methods[name].methodize();
 return m;
 });
 if (window.attachEvent) {
 function _relatedTarget(event) {
 var element;
 switch (event.type) {
 case 'mouseover':
 case 'mouseenter':
 element = event.fromElement;
 break;
 case 'mouseout':
 case 'mouseleave':
 element = event.toElement;
 break;
 default:
 return null;
 }
 return Element.extend(element);
 }
 var additionalMethods = {
 stopPropagation: function() { this.cancelBubble = true },
 preventDefault: function() { this.returnValue = false },
 inspect: function() { return '[object Event]' }
 };
 Event.extend = function(event, element) {
 if (!event) return false;
 if (!isIELegacyEvent(event)) return event;
 if (event._extendedByPrototype) return event;
 event._extendedByPrototype = Prototype.emptyFunction;
 var pointer = Event.pointer(event);
 Object.extend(event, {
 target: event.srcElement || element,
 relatedTarget: _relatedTarget(event),
 pageX: pointer.x,
 pageY: pointer.y
 });
 Object.extend(event, methods);
 Object.extend(event, additionalMethods);
 return event;
 };
 } else {
 Event.extend = Prototype.K;
 }
 if (window.addEventListener) {
 Event.prototype = window.Event.prototype || document.createEvent('HTMLEvents').__proto__;
 Object.extend(Event.prototype, methods);
 }
 function _createResponder(element, eventName, handler) {
 var registry = Element.retrieve(element, 'prototype_event_registry');
 if (Object.isUndefined(registry)) {
 CACHE.push(element);
 registry = Element.retrieve(element, 'prototype_event_registry', $H());
 }
 var respondersForEvent = registry.get(eventName);
 if (Object.isUndefined(respondersForEvent)) {
 respondersForEvent = [];
 registry.set(eventName, respondersForEvent);
 }
 if (respondersForEvent.pluck('handler').include(handler)) return false;
 var responder;
 if (eventName.include(":")) {
 responder = function(event) {
 if (Object.isUndefined(event.eventName))
 return false;
 if (event.eventName !== eventName)
 return false;
 Event.extend(event, element);
 handler.call(element, event);
 };
 } else {
 if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED &&
 (eventName === "mouseenter" || eventName === "mouseleave")) {
 if (eventName === "mouseenter" || eventName === "mouseleave") {
 responder = function(event) {
 Event.extend(event, element);
 var parent = event.relatedTarget;
 while (parent && parent !== element) {
 try { parent = parent.parentNode; }
 catch(e) { parent = element; }
 }
 if (parent === element) return;
 handler.call(element, event);
 };
 }
 } else {
 responder = function(event) {
 Event.extend(event, element);
 handler.call(element, event);
 };
 }
 }
 responder.handler = handler;
 respondersForEvent.push(responder);
 return responder;
 }
 function _destroyCache() {
 for (var i = 0, length = CACHE.length; i < length; i++) {
 Event.stopObserving(CACHE[i]);
 CACHE[i] = null;
 }
 }
 var CACHE = [];
 if (Prototype.Browser.IE)
 window.attachEvent('onunload', _destroyCache);
 if (Prototype.Browser.WebKit)
 window.addEventListener('unload', Prototype.emptyFunction, false);
 var _getDOMEventName = Prototype.K,
 translations = { mouseenter: "mouseover", mouseleave: "mouseout" };
 if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED) {
 _getDOMEventName = function(eventName) {
 return (translations[eventName] || eventName);
 };
 }
 function observe(element, eventName, handler) {
 element = $(element);
 var responder = _createResponder(element, eventName, handler);
 if (!responder) return element;
 if (eventName.include(':')) {
 if (element.addEventListener)
 element.addEventListener("dataavailable", responder, false);
 else {
 element.attachEvent("ondataavailable", responder);
 element.attachEvent("onlosecapture", responder);
 }
 } else {
 var actualEventName = _getDOMEventName(eventName);
 if (element.addEventListener)
 element.addEventListener(actualEventName, responder, false);
 else
 element.attachEvent("on" + actualEventName, responder);
 }
 return element;
 }
 function stopObserving(element, eventName, handler) {
 element = $(element);
 var registry = Element.retrieve(element, 'prototype_event_registry');
 if (!registry) return element;
 if (!eventName) {
 registry.each( function(pair) {
 var eventName = pair.key;
 stopObserving(element, eventName);
 });
 return element;
 }
 var responders = registry.get(eventName);
 if (!responders) return element;
 if (!handler) {
 responders.each(function(r) {
 stopObserving(element, eventName, r.handler);
 });
 return element;
 }
 var i = responders.length, responder;
 while (i--) {
 if (responders[i].handler === handler) {
 responder = responders[i];
 break;
 }
 }
 if (!responder) return element;
 if (eventName.include(':')) {
 if (element.removeEventListener)
 element.removeEventListener("dataavailable", responder, false);
 else {
 element.detachEvent("ondataavailable", responder);
 element.detachEvent("onlosecapture", responder);
 }
 } else {
 var actualEventName = _getDOMEventName(eventName);
 if (element.removeEventListener)
 element.removeEventListener(actualEventName, responder, false);
 else
 element.detachEvent('on' + actualEventName, responder);
 }
 registry.set(eventName, responders.without(responder));
 return element;
 }
 function fire(element, eventName, memo, bubble) {
 element = $(element);
 if (Object.isUndefined(bubble))
 bubble = true;
 if (element == document && document.createEvent && !element.dispatchEvent)
 element = document.documentElement;
 var event;
 if (document.createEvent) {
 event = document.createEvent('HTMLEvents');
 event.initEvent('dataavailable', bubble, true);
 } else {
 event = document.createEventObject();
 event.eventType = bubble ? 'ondataavailable' : 'onlosecapture';
 }
 event.eventName = eventName;
 event.memo = memo || { };
 if (document.createEvent)
 element.dispatchEvent(event);
 else
 element.fireEvent(event.eventType, event);
 return Event.extend(event);
 }
 Event.Handler = Class.create({
 initialize: function(element, eventName, selector, callback) {
 this.element = $(element);
 this.eventName = eventName;
 this.selector = selector;
 this.callback = callback;
 this.handler = this.handleEvent.bind(this);
 },
 start: function() {
 Event.observe(this.element, this.eventName, this.handler);
 return this;
 },
 stop: function() {
 Event.stopObserving(this.element, this.eventName, this.handler);
 return this;
 },
 handleEvent: function(event) {
 var element = Event.findElement(event, this.selector);
 if (element) this.callback.call(this.element, event, element);
 }
 });
 function on(element, eventName, selector, callback) {
 element = $(element);
 if (Object.isFunction(selector) && Object.isUndefined(callback)) {
 callback = selector, selector = null;
 }
 return new Event.Handler(element, eventName, selector, callback).start();
 }
 Object.extend(Event, Event.Methods);
 Object.extend(Event, {
 fire: fire,
 observe: observe,
 stopObserving: stopObserving,
 on: on
 });
 Element.addMethods({
 fire: fire,
 observe: observe,
 stopObserving: stopObserving,
 on: on
 });
 Object.extend(document, {
 fire: fire.methodize(),
 observe: observe.methodize(),
 stopObserving: stopObserving.methodize(),
 on: on.methodize(),
 loaded: false
 });
 if (window.Event) Object.extend(window.Event, Event);
 else window.Event = Event;
})();
(function() {
 /* Support for the DOMContentLoaded event is based on work by Dan Webb,
 Matthias Miller, Dean Edwards, John Resig, and Diego Perini. */
 var timer;
 function fireContentLoadedEvent() {
 if (document.loaded) return;
 if (timer) window.clearTimeout(timer);
 document.loaded = true;
 document.fire('dom:loaded');
 }
 function checkReadyState() {
 if (document.readyState === 'complete') {
 document.stopObserving('readystatechange', checkReadyState);
 fireContentLoadedEvent();
 }
 }
 function pollDoScroll() {
 try { document.documentElement.doScroll('left'); }
 catch(e) {
 timer = pollDoScroll.defer();
 return;
 }
 fireContentLoadedEvent();
 }
 if (document.addEventListener) {
 document.addEventListener('DOMContentLoaded', fireContentLoadedEvent, false);
 } else {
 document.observe('readystatechange', checkReadyState);
 if (window == top)
 timer = pollDoScroll.defer();
 }
 Event.observe(window, 'load', fireContentLoadedEvent);
})();
Element.addMethods();
/*------------------------------- DEPRECATED -------------------------------*/
Hash.toQueryString = Object.toQueryString;
var Toggle = { display: Element.toggle };
Element.Methods.childOf = Element.Methods.descendantOf;
var Insertion = {
 Before: function(element, content) {
 return Element.insert(element, {before:content});
 },
 Top: function(element, content) {
 return Element.insert(element, {top:content});
 },
 Bottom: function(element, content) {
 return Element.insert(element, {bottom:content});
 },
 After: function(element, content) {
 return Element.insert(element, {after:content});
 }
};
var $continue = new Error('"throw $continue" is deprecated, use "return" instead');
var Position = {
 includeScrollOffsets: false,
 prepare: function() {
 this.deltaX = window.pageXOffset
 || document.documentElement.scrollLeft
 || document.body.scrollLeft
 || 0;
 this.deltaY = window.pageYOffset
 || document.documentElement.scrollTop
 || document.body.scrollTop
 || 0;
 },
 within: function(element, x, y) {
 if (this.includeScrollOffsets)
 return this.withinIncludingScrolloffsets(element, x, y);
 this.xcomp = x;
 this.ycomp = y;
 this.offset = Element.cumulativeOffset(element);
 return (y >= this.offset[1] &&
 y < this.offset[1] + element.offsetHeight &&
 x >= this.offset[0] &&
 x < this.offset[0] + element.offsetWidth);
 },
 withinIncludingScrolloffsets: function(element, x, y) {
 var offsetcache = Element.cumulativeScrollOffset(element);
 this.xcomp = x + offsetcache[0] - this.deltaX;
 this.ycomp = y + offsetcache[1] - this.deltaY;
 this.offset = Element.cumulativeOffset(element);
 return (this.ycomp >= this.offset[1] &&
 this.ycomp < this.offset[1] + element.offsetHeight &&
 this.xcomp >= this.offset[0] &&
 this.xcomp < this.offset[0] + element.offsetWidth);
 },
 overlap: function(mode, element) {
 if (!mode) return 0;
 if (mode == 'vertical')
 return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
 element.offsetHeight;
 if (mode == 'horizontal')
 return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
 element.offsetWidth;
 },
 cumulativeOffset: Element.Methods.cumulativeOffset,
 positionedOffset: Element.Methods.positionedOffset,
 absolutize: function(element) {
 Position.prepare();
 return Element.absolutize(element);
 },
 relativize: function(element) {
 Position.prepare();
 return Element.relativize(element);
 },
 realOffset: Element.Methods.cumulativeScrollOffset,
 offsetParent: Element.Methods.getOffsetParent,
 page: Element.Methods.viewportOffset,
 clone: function(source, target, options) {
 options = options || { };
 return Element.clonePosition(target, source, options);
 }
};
/*--------------------------------------------------------------------------*/
if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){
 function iter(name) {
 return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]";
 }
 instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ?
 function(element, className) {
 className = className.toString().strip();
 var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className);
 return cond ? document._getElementsByXPath('.//*' + cond, element) : [];
 } : function(element, className) {
 className = className.toString().strip();
 var elements = [], classNames = (/\s/.test(className) ? $w(className) : null);
 if (!classNames && !className) return elements;
 var nodes = $(element).getElementsByTagName('*');
 className = ' ' + className + ' ';
 for (var i = 0, child, cn; child = nodes[i]; i++) {
 if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) ||
 (classNames && classNames.all(function(name) {
 return !name.toString().blank() && cn.include(' ' + name + ' ');
 }))))
 elements.push(Element.extend(child));
 }
 return elements;
 };
 return function(className, parentElement) {
 return $(parentElement || document.body).getElementsByClassName(className);
 };
}(Element.Methods);
/*--------------------------------------------------------------------------*/
Element.ClassNames = Class.create();
Element.ClassNames.prototype = {
 initialize: function(element) {
 this.element = $(element);
 },
 _each: function(iterator) {
 this.element.className.split(/\s+/).select(function(name) {
 return name.length > 0;
 })._each(iterator);
 },
 set: function(className) {
 this.element.className = className;
 },
 add: function(classNameToAdd) {
 if (this.include(classNameToAdd)) return;
 this.set($A(this).concat(classNameToAdd).join(' '));
 },
 remove: function(classNameToRemove) {
 if (!this.include(classNameToRemove)) return;
 this.set($A(this).without(classNameToRemove).join(' '));
 },
 toString: function() {
 return $A(this).join(' ');
 }
};
Object.extend(Element.ClassNames.prototype, Enumerable);
/*--------------------------------------------------------------------------*/
(function() {
 window.Selector = Class.create({
 initialize: function(expression) {
 this.expression = expression.strip();
 },
 findElements: function(rootElement) {
 return Prototype.Selector.select(this.expression, rootElement);
 },
 match: function(element) {
 return Prototype.Selector.match(element, this.expression);
 },
 toString: function() {
 return this.expression;
 },
 inspect: function() {
 return "#<Selector: " + this.expression + ">";
 }
 });
 Object.extend(Selector, {
 matchElements: function(elements, expression) {
 var match = Prototype.Selector.match,
 results = [];
 for (var i = 0, length = elements.length; i < length; i++) {
 var element = elements[i];
 if (match(element, expression)) {
 results.push(Element.extend(element));
 }
 }
 return results;
 },
 findElement: function(elements, expression, index) {
 index = index || 0;
 var matchIndex = 0, element;
 for (var i = 0, length = elements.length; i < length; i++) {
 element = elements[i];
 if (Prototype.Selector.match(element, expression) && index === matchIndex++) {
 return Element.extend(element);
 }
 }
 },
 findChildElements: function(element, expressions) {
 var selector = expressions.toArray().join(', ');
 return Prototype.Selector.select(selector, element || document);
 }
 });
})();
// script.aculo.us scriptaculous.js v1.9.0, Thu Dec 23 16:54:48 -0500 2010
// Copyright (c) 2005-2010 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// For details, see the script.aculo.us web site: http://script.aculo.us/
var Scriptaculous = {
 Version: '1.9.0',
 require: function(libraryName) {
 try{
 // inserting via DOM fails in Safari 2.0, so brute force approach
 document.write('<script type="text/javascript" src="'+libraryName+'"><\/script>');
 } catch(e) {
 // for xhtml+xml served content, fall back to DOM methods
 var script = document.createElement('script');
 script.type = 'text/javascript';
 script.src = libraryName;
 document.getElementsByTagName('head')[0].appendChild(script);
 }
 },
 REQUIRED_PROTOTYPE: '1.6.0.3',
 load: function() {
 function convertVersionString(versionString) {
 var v = versionString.replace(/_.*|\./g, '');
 v = parseInt(v + '0'.times(4-v.length));
 return versionString.indexOf('_') > -1 ? v-1 : v;
 }
 if((typeof Prototype=='undefined') ||
 (typeof Element == 'undefined') ||
 (typeof Element.Methods=='undefined') ||
 (convertVersionString(Prototype.Version) <
 convertVersionString(Scriptaculous.REQUIRED_PROTOTYPE)))
 throw("script.aculo.us requires the Prototype JavaScript framework >= " +
 Scriptaculous.REQUIRED_PROTOTYPE);
 //var js = /scriptaculous\.js(\?.*)?$/;
 //$$('script[src]').findAll(function(s) {
 // return s.src.match(js);
 //}).each(function(s) {
 // var path = s.src.replace(js, ''),
 // includes = s.src.match(/\?.*load=([a-z,]*)/);
 // (includes ? includes[1] : 'effectsv2').split(',').each(
 // function(include) { Scriptaculous.require(path+include+'.js') });
 //});
 var host = (("https:" == document.location.protocol) ? "https://d33hbnubgyqeqm.cloudfront.net" : "http://global.crossrhythms.co.uk");
 Scriptaculous.require(host+'/direct/build/effectsv2.js');
 }
};
Scriptaculous.load();
var popWin = null // use this when referring to pop-up window
var winCount = 0
var winName = "popWin"
function openPopWin(winURL, winWidth, winHeight, winFeatures, winLeft, winTop){
 var d_winLeft = 20 // default, pixels from screen left to window left
 var d_winTop = 20 // default, pixels from screen top to window top
 var ran_unrounded=Math.random()*999999;
 var ran_number=Math.round(ran_unrounded);
 winName = "popWin" + ran_number; //unique name for each pop-up window
 if (openPopWin.arguments.length >= 4) // any additional features?
 winFeatures = "," + winFeatures
 else
 winFeatures = ""
 if (openPopWin.arguments.length == 6) // location specified
 winFeatures += getLocation(winWidth, winHeight, winLeft, winTop)
 else
 winFeatures += getLocation(winWidth, winHeight, d_winLeft, d_winTop)
 popWin = window.open(winURL, winName, "width=" + winWidth
 + ",height=" + winHeight + winFeatures)
 }
function closePopWin(){ // close pop-up window if it is open
 if (navigator.appName != "Microsoft Internet Explorer"
 || parseInt(navigator.appVersion) >=4) //do not close if early IE
 if(popWin != null) if(!popWin.closed) popWin.close()
 }
function getLocation(winWidth, winHeight, winLeft, winTop){
 return ""
 }
function getLocation(winWidth, winHeight, winLeft, winTop){
 var winLocation = ""
 if (winLeft < 0)
 winLeft = screen.width - winWidth + winLeft
 if (winTop < 0)
 winTop = screen.height - winHeight + winTop
 if (winTop == "cen")
 winTop = (screen.height - winHeight)/2 - 20
 if (winLeft == "cen")
 winLeft = (screen.width - winWidth)/2
 if (winLeft>0 & winTop>0)
 winLocation = ",screenX=" + winLeft + ",left=" + winLeft
 + ",screenY=" + winTop + ",top=" + winTop
 else
 winLocation = ""
 return winLocation
 }
function createWindow(what) {
 var URL = what.URL.value;
 var windowName = what.windowName.value;
 var features =
 'width=' + what.width.value +
 ',height=' + what.height.value +
 ',directories=' + (what.directories.checked - 0) +
 ',location=' + (what.location.checked - 0) +
 ',menubar=' + (what.menubar.checked - 0) +
 ',scrollbars=' + (what.scrollbars.checked - 0) +
 ',status=' + (what.status.checked - 0) +
 ',toolbar=' + (what.toolbar.checked - 0) +
 ',resizable=' + (what.resizable.checked - 0);
 window.open (URL, windowName, features);
}
var popUpWin=0;
function popUpWindow(URLStr, left, top, width, height)
{
 if(popUpWin)
 {
 if(!popUpWin.closed) popUpWin.close();
 }
 popUpWin = open(URLStr, 'ppUpWin', 'toolbar=no,location=no,directories=no,status=yes,menub ar=no,scrollbars=yes,resizable=yes,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
}
function popUpWindowPrint(URLStr, left, top, width, height)
{
 if(popUpWinPrint)
 {
 if(!popUpWinPrint.closed) popUpWin.close();
 }
 popUpWinPrint = open(URLStr, 'ppUpWinPrint', 'toolbar=yes,location=no,directories=no,status=yes,menub ar=no,scrollbars=yes,resizable=yes,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
}
function address_lookup_failed(error_bubble, message){
	error_bubble.select('span.error_bubble_content').first().update(message);
	error_bubble.show();
}
function address_lookup(prefix){
	//hide error bubble incase it was made visible on a previous request.
	error_bubble = $(prefix+"error_bubble");
	error_bubble.hide();
	error_bubble_right = $(prefix+"error_bubble_right");
	error_bubble_right.hide();
	loading = $(prefix+"loading");
	loading.show();
	url = '/address/lookup/';
	postcode = $F(prefix+"lookup").strip(); //get postcode, remove trailing and leading spaces
	building = $F(prefix+"building").strip(); //get building, remove trailing and leading spaces
	if(postcode.empty()){
	//show field required arrow.
	address_lookup_failed(error_bubble,'Please enter your postcode.');
	loading.hide();
	return false;
	}else{
	url = url + encodeURIComponent(postcode);
	}
	if(building.empty()){
	//show field required arrow.
	address_lookup_failed(error_bubble_right,'Please enter your house number/name.');
	loading.hide();
	return false;
	}else{ //building is not required
	url = url + "/" + encodeURIComponent(building);
	}
	new Ajax.Request(url, {
	method:'get',
	requestHeaders: {Accept: 'application/json'},
	onSuccess: function(transport){
	var json = transport.responseText.evalJSON(true);
	$(prefix+"line_1").value = json.line_1;
	$(prefix+"line_2").value = json.line_2;
	$(prefix+"post_town").value = json.post_town;
	$(prefix+"county").value = json.county;
	$(prefix+"post_code").value = json.post_code;
	$(prefix+"country_code").value = json.country_code;
	// show the address
	$(prefix+"address_manual").show();
	// hide the 'enter your address below' prompt
	$(prefix+'enter_manually').hide();
	//focus on the first line
	$(prefix+'line_1').focus();
	},
	onFailure: function(transport){
	if (transport.status == 400) { //invalid postocde
	message = 'Please enter a valid UK postcode.';
	}else if(403 == transport.status){ //access denied, over use.
	message = 'Please enter your address manually.';
	show_manual = true;
	}else if(404 == transport.status){
	message = 'Sorry, we couldn\'t find your address.';
	show_manual = true;
	}else{
	message = 'Sorry, we couldn\'t find your address.';
	show_manual = true;
	}
	address_lookup_failed(error_bubble,message);
	if(show_manual){
	$(prefix+'address_manual').show();
	$(prefix+'line_1').focus();
	$(prefix+'enter_manually').appear();
	}
	},
	onComplete: function(transport){
	loading.hide();
	}
	});
}
function changeCountryLookup(value,prefix){
	if(value != 'GBR'){
	$(prefix+'address_manual').show();
	$(prefix+'building').disable().addClassName('greyOut');
	$(prefix+'lookup').disable().addClassName('greyOut');
	$(prefix+'enter_manually').appear();
	$(prefix+'line_1').focus();
	}else{
	$(prefix+'building').enable().removeClassName('greyOut');
	$(prefix+'lookup').enable().removeClassName('greyOut');
	$(prefix+'building').focus();
	$(prefix+'enter_manually').fade();
	}
}
function addToBasket(product_id,quantity,loading_image){
	if($('ajax_basket_wrapper')){
	Effect.Appear(loading_image,{ duration: 1 });
	new Ajax.Updater('ajax_basket_wrapper','/basket/ajax/add/'+product_id+'/'+quantity,{evalScripts: true});
	$('top_right').scrollTo();
	return false;
	}else{
	return true;
	}
}
/* Nifty Corners Cube - rounded corners with CSS and Javascript
Copyright 2006 Alessandro Fulciniti (a.fulciniti@html.it)
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
var niftyOk=(document.getElementById && document.createElement && Array.prototype.push);
var niftyCss=true;
String.prototype.find=function(what){
return(this.indexOf(what)>=0 ? true : false);
}
var oldonload=window.onload;
if(typeof(NiftyLoad)!='function') NiftyLoad=function(){};
if(typeof(oldonload)=='function')
 window.onload=function(){oldonload();AddCss();NiftyLoad()};
else window.onload=function(){AddCss();NiftyLoad()};
function AddCss(){
niftyCss=true;
/*
var l=CreateEl("link");
l.setAttribute("type","text/css");
l.setAttribute("rel","stylesheet");
l.setAttribute("href","http://s3.amazonaws.com/images-crossrhythms/direct/css/niftyCorners.css");
l.setAttribute("media","screen");
document.getElementsByTagName("head")[0].appendChild(l);
*/
}
function Nifty(selector,options){
if(niftyOk==false) return;
if(niftyCss==false) AddCss();
var i,v=selector.split(","),h=0;
if(options==null) options="";
if(options.find("fixed-height"))
 h=getElementsBySelector(v[0])[0].offsetHeight;
for(i=0;i<v.length;i++)
 Rounded(v[i],options);
if(options.find("height")) SameHeight(selector,h);
}
function Rounded(selector,options){
var i,top="",bottom="",v=new Array();
if(options!=""){
 options=options.replace("left","tl bl");
 options=options.replace("right","tr br");
 options=options.replace("top","tr tl");
 options=options.replace("bottom","br bl");
 options=options.replace("transparent","alias");
 if(options.find("tl")){
 top="both";
 if(!options.find("tr")) top="left";
 }
 else if(options.find("tr")) top="right";
 if(options.find("bl")){
 bottom="both";
 if(!options.find("br")) bottom="left";
 }
 else if(options.find("br")) bottom="right";
 }
if(top=="" && bottom=="" && !options.find("none")){top="both";bottom="both";}
v=getElementsBySelector(selector);
for(i=0;i<v.length;i++){
 FixIE(v[i]);
 if(top!="") AddTop(v[i],top,options);
 if(bottom!="") AddBottom(v[i],bottom,options);
 }
}
function AddTop(el,side,options){
var d=CreateEl("b"),lim=4,border="",p,i,btype="r",bk,color;
d.style.marginLeft="-"+getPadding(el,"Left")+"px";
d.style.marginRight="-"+getPadding(el,"Right")+"px";
if(options.find("alias") || (color=getBk(el))=="transparent"){
 color="transparent";bk="transparent"; border=getParentBk(el);btype="t";
 }
else{
 bk=getParentBk(el); border=Mix(color,bk);
 }
d.style.background=bk;
d.className="niftycorners";
p=getPadding(el,"Top");
if(options.find("small")){
 d.style.marginBottom=(p-2)+"px";
 btype+="s"; lim=2;
 }
else if(options.find("big")){
 d.style.marginBottom=(p-10)+"px";
 btype+="b"; lim=8;
 }
else d.style.marginBottom=(p-5)+"px";
for(i=1;i<=lim;i++)
 d.appendChild(CreateStrip(i,side,color,border,btype));
el.style.paddingTop="0";
el.insertBefore(d,el.firstChild);
}
function AddBottom(el,side,options){
var d=CreateEl("b"),lim=4,border="",p,i,btype="r",bk,color;
d.style.marginLeft="-"+getPadding(el,"Left")+"px";
d.style.marginRight="-"+getPadding(el,"Right")+"px";
if(options.find("alias") || (color=getBk(el))=="transparent"){
 color="transparent";bk="transparent"; border=getParentBk(el);btype="t";
 }
else{
 bk=getParentBk(el); border=Mix(color,bk);
 }
d.style.background=bk;
d.className="niftycorners";
p=getPadding(el,"Bottom");
if(options.find("small")){
 d.style.marginTop=(p-2)+"px";
 btype+="s"; lim=2;
 }
else if(options.find("big")){
 d.style.marginTop=(p-10)+"px";
 btype+="b"; lim=8;
 }
else d.style.marginTop=(p-5)+"px";
for(i=lim;i>0;i--)
 d.appendChild(CreateStrip(i,side,color,border,btype));
el.style.paddingBottom=0;
el.appendChild(d);
}
function CreateStrip(index,side,color,border,btype){
var x=CreateEl("b");
x.className=btype+index;
x.style.backgroundColor=color;
x.style.borderColor=border;
if(side=="left"){
 x.style.borderRightWidth="0";
 x.style.marginRight="0";
 }
else if(side=="right"){
 x.style.borderLeftWidth="0";
 x.style.marginLeft="0";
 }
return(x);
}
function CreateEl(x){
return(document.createElement(x));
}
function FixIE(el){
if(el.currentStyle!=null && el.currentStyle.hasLayout!=null && el.currentStyle.hasLayout==false)
 el.style.display="inline-block";
}
function SameHeight(selector,maxh){
var i,v=selector.split(","),t,j,els=[],gap;
for(i=0;i<v.length;i++){
 t=getElementsBySelector(v[i]);
 els=els.concat(t);
 }
for(i=0;i<els.length;i++){
 if(els[i].offsetHeight>maxh) maxh=els[i].offsetHeight;
 els[i].style.height="auto";
 }
for(i=0;i<els.length;i++){
 gap=maxh-els[i].offsetHeight;
 if(gap>0){
 t=CreateEl("b");t.className="niftyfill";t.style.height=gap+"px";
 nc=els[i].lastChild;
 if(nc.className=="niftycorners")
 els[i].insertBefore(t,nc);
 else els[i].appendChild(t);
 }
 }
}
function getElementsBySelector(selector){
var i,j,selid="",selclass="",tag=selector,tag2="",v2,k,f,a,s=[],objlist=[],c;
if(selector.find("#")){ //id selector like "tag#id"
 if(selector.find(" ")){ //descendant selector like "tag#id tag"
 s=selector.split(" ");
 var fs=s[0].split("#");
 if(fs.length==1) return(objlist);
 f=document.getElementById(fs[1]);
 if(f){
 v=f.getElementsByTagName(s[1]);
 for(i=0;i<v.length;i++) objlist.push(v[i]);
 }
 return(objlist);
 }
 else{
 s=selector.split("#");
 tag=s[0];
 selid=s[1];
 if(selid!=""){
 f=document.getElementById(selid);
 if(f) objlist.push(f);
 return(objlist);
 }
 }
 }
if(selector.find(".")){ //class selector like "tag.class"
 s=selector.split(".");
 tag=s[0];
 selclass=s[1];
 if(selclass.find(" ")){ //descendant selector like tag1.classname tag2
 s=selclass.split(" ");
 selclass=s[0];
 tag2=s[1];
 }
 }
var v=document.getElementsByTagName(tag); // tag selector like "tag"
if(selclass==""){
 for(i=0;i<v.length;i++) objlist.push(v[i]);
 return(objlist);
 }
for(i=0;i<v.length;i++){
 c=v[i].className.split(" ");
 for(j=0;j<c.length;j++){
 if(c[j]==selclass){
 if(tag2=="") objlist.push(v[i]);
 else{
 v2=v[i].getElementsByTagName(tag2);
 for(k=0;k<v2.length;k++) objlist.push(v2[k]);
 }
 }
 }
 }
return(objlist);
}
function getParentBk(x){
var el=x.parentNode,c;
while(el.tagName.toUpperCase()!="HTML" && (c=getBk(el))=="transparent")
 el=el.parentNode;
if(c=="transparent") c="#FFFFFF";
return(c);
}
function getBk(x){
var c=getStyleProp(x,"backgroundColor");
if(c==null || c=="transparent" || c.find("rgba(0, 0, 0, 0)"))
 return("transparent");
if(c.find("rgb")) c=rgb2hex(c);
return(c);
}
function getPadding(x,side){
var p=getStyleProp(x,"padding"+side);
if(p==null || !p.find("px")) return(0);
return(parseInt(p));
}
function getStyleProp(x,prop){
if(x.currentStyle)
 return(x.currentStyle[prop]);
if(document.defaultView.getComputedStyle)
 return(document.defaultView.getComputedStyle(x,'')[prop]);
return(null);
}
function rgb2hex(value){
var hex="",v,h,i;
var regexp=/([0-9]+)[, ]+([0-9]+)[, ]+([0-9]+)/;
var h=regexp.exec(value);
for(i=1;i<4;i++){
 v=parseInt(h[i]).toString(16);
 if(v.length==1) hex+="0"+v;
 else hex+=v;
 }
return("#"+hex);
}
function Mix(c1,c2){
var i,step1,step2,x,y,r=new Array(3);
if(c1.length==4)step1=1;
else step1=2;
if(c2.length==4) step2=1;
else step2=2;
for(i=0;i<3;i++){
 x=parseInt(c1.substr(1+step1*i,step1),16);
 if(step1==1) x=16*x+x;
 y=parseInt(c2.substr(1+step2*i,step2),16);
 if(step2==1) y=16*y+y;
 r[i]=Math.floor((x*50+y*50)/100);
 r[i]=r[i].toString(16);
 if(r[i].length==1) r[i]="0"+r[i];
 }
return("#"+r[0]+r[1]+r[2]);
}