var Prototype ={Version: '1.6.0.2',Browser:{IE: !!(window.attachEvent && !window.opera),Opera: !!window.opera,WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,Gecko: navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML')==-1,MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/)},BrowserFeatures:{XPath: !!document.evaluate,ElementExtensions: !!window.HTMLElement,SpecificElementExtensions:
document.createElement('div').__proto__ &&document.createElement('div').__proto__ !==document.createElement('form').__proto__},ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,emptyFunction: function(){},K: function(x){return x}};
if(Prototype.Browser.MobileSafari)
Prototype.BrowserFeatures.SpecificElementExtensions=false;
var Class ={create: function(){var parent=null, properties=$A(arguments);
if(Object.isFunction(properties[0]))
parent=properties.shift();
function klass(){this.initialize.apply(this, arguments);}
Object.extend(klass, Class.Methods);
klass.superclass=parent;
klass.subclasses =[];
if(parent){var subclass=function(){};
subclass.prototype=parent.prototype;
klass.prototype=new subclass;
parent.subclasses.push(klass);}
for(var i=0; i<properties.length; i++)
klass.addMethods(properties[i]);
if(!klass.prototype.initialize)
klass.prototype.initialize=Prototype.emptyFunction;
klass.prototype.constructor=klass;
return klass;}};
Class.Methods ={addMethods: function(source){var ancestor=this.superclass && this.superclass.prototype;
var properties=Object.keys(source);
if(!Object.keys({toString: true}).length)
properties.push("toString", "valueOf");
for(var i=0, length=properties.length; i<length; i++){var property=properties[i], value=source[property];
if(ancestor && Object.isFunction(value) &&value.argumentNames().first()=="$super"){var method=value, value=Object.extend((function(m){return function(){return ancestor[m].apply(this, arguments)};})(property).wrap(method),{valueOf: function(){return method},toString: function(){return method.toString()}});}
this.prototype[property]=value;}
return this;}};
var Abstract ={};
Object.extend=function(destination, source){for(var property in source)
destination[property]=source[property];
return destination;};
Object.extend(Object,{inspect: function(object){try{if(Object.isUndefined(object)) return 'undefined';
if(object===null) return 'null';
return object.inspect?object.inspect():String(object);} catch(e){if(e instanceof RangeError) return '...';
throw e;}},toJSON: function(object){var type=typeof object;
switch(type){case 'undefined':
case 'function':
case 'unknown': return;
case 'boolean': return object.toString();}
if(object===null) return 'null';
if(object.toJSON) return object.toJSON();
if(Object.isElement(object)) return;
var results =[];
for(var property in object){var value=Object.toJSON(object[property]);
if(!Object.isUndefined(value))
results.push(property.toJSON()+': '+value);}
return '{'+results.join(', ')+'}';},toQueryString: function(object){return $H(object).toQueryString();},toHTML: function(object){return object && object.toHTML?object.toHTML():String.interpret(object);},keys: function(object){var keys =[];
for(var property in object)
keys.push(property);
return keys;},values: function(object){var values =[];
for(var property in object)
values.push(object[property]);
return values;},clone: function(object){return Object.extend({}, object);},isElement: function(object){return object && object.nodeType==1;},isArray: function(object){return object!=null && typeof object=="object" &&'splice' in object && 'join' in object;},isHash: function(object){return object instanceof Hash;},isFunction: function(object){return typeof object=="function";},isString: function(object){return typeof object=="string";},isNumber: function(object){return typeof object=="number";},isUndefined: function(object){return typeof object=="undefined";}});
Object.extend(Function.prototype,{argumentNames: function(){var names=this.toString().match(/^[\s\(]*function[^(]*\((.*?)\)/)[1].split(",").invoke("strip");
return names.length==1 && !names[0] ?[]:names;},bind: function(){if(arguments.length<2 && Object.isUndefined(arguments[0])) return this;
var __method=this, args=$A(arguments), object=args.shift();
return function(){return __method.apply(object, args.concat($A(arguments)));}},bindAsEventListener: function(){var __method=this, args=$A(arguments), object=args.shift();
return function(event){return __method.apply(object,[event||window.event].concat(args));}},curry: function(){if(!arguments.length) return this;
var __method=this, args=$A(arguments);
return function(){return __method.apply(this, args.concat($A(arguments)));}},delay: function(){var __method=this, args=$A(arguments), timeout=args.shift() * 1000;
return window.setTimeout(function(){return __method.apply(__method, args);}, timeout);},wrap: function(wrapper){var __method=this;
return function(){return wrapper.apply(this,[__method.bind(this)].concat($A(arguments)));}},methodize: function(){if(this._methodized) return this._methodized;
var __method=this;
return this._methodized=function(){return __method.apply(null,[this].concat($A(arguments)));};}});
Function.prototype.defer=Function.prototype.delay.curry(0.01);
Date.prototype.toJSON=function(){return '"'+this.getUTCFullYear()+'-' +(this.getUTCMonth()+1).toPaddedString(2)+'-' +this.getUTCDate().toPaddedString(2)+'T' +this.getUTCHours().toPaddedString(2)+':' +this.getUTCMinutes().toPaddedString(2)+':' +this.getUTCSeconds().toPaddedString(2)+'Z"';};
var Try ={these: function(){var returnValue;
for(var i=0, length=arguments.length; i<length; i++){var lambda=arguments[i];
try{returnValue=lambda();
break;} catch(e){}}
return returnValue;}};
RegExp.prototype.match=RegExp.prototype.test;
RegExp.escape=function(str){return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');};
/*--------------------------------------------------------------------------*/
var PeriodicalExecuter=Class.create({initialize: function(callback, frequency){this.callback=callback;
this.frequency=frequency;
this.currentlyExecuting=false;
this.registerCallback();},registerCallback: function(){this.timer=setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);},execute: function(){this.callback(this);},stop: function(){if(!this.timer) return;
clearInterval(this.timer);
this.timer=null;},onTimerEvent: function(){if(!this.currentlyExecuting){try{this.currentlyExecuting=true;
this.execute();} finally{this.currentlyExecuting=false;}}}});
Object.extend(String,{interpret: function(value){return value==null?'':String(value);},specialChar:{'\b': '\\b','\t': '\\t','\n': '\\n','\f': '\\f','\r': '\\r','\\': '\\\\'}});
Object.extend(String.prototype,{gsub: function(pattern, replacement){var result='', source=this, match;
replacement=arguments.callee.prepareReplacement(replacement);
while(source.length > 0){if(match=source.match(pattern)){result += source.slice(0, match.index);
result += String.interpret(replacement(match));
source=source.slice(match.index+match[0].length);} else{result += source, source='';}}
return result;},sub: function(pattern, replacement, count){replacement=this.gsub.prepareReplacement(replacement);
count=Object.isUndefined(count)?1:count;
return this.gsub(pattern, function(match){if(--count<0) return match[0];
return replacement(match);});},scan: function(pattern, iterator){this.gsub(pattern, iterator);
return String(this);},truncate: function(length, truncation){length=length||30;
truncation=Object.isUndefined(truncation)?'...':truncation;
return this.length > length ?
this.slice(0, length-truncation.length)+truncation:String(this);},strip: function(){return this.replace(/^\s+/, '').replace(/\s+$/, '');},stripTags: function(){return this.replace(/<\/?[^>]+>/gi, '');},stripScripts: function(){return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');},extractScripts: function(){var matchAll=new RegExp(Prototype.ScriptFragment, 'img');
var matchOne=new RegExp(Prototype.ScriptFragment, 'im');
return(this.match(matchAll) ||[]).map(function(scriptTag){return(scriptTag.match(matchOne) ||['', ''])[1];});},evalScripts: function(){return this.extractScripts().map(function(script){return eval(script)});},escapeHTML: function(){var self=arguments.callee;
self.text.data=this;
return self.div.innerHTML;},unescapeHTML: function(){var div=new Element('div');
div.innerHTML=this.stripTags();
return div.childNodes[0] ?(div.childNodes.length > 1 ?
$A(div.childNodes).inject('', function(memo, node){return memo+node.nodeValue}) :
div.childNodes[0].nodeValue):'';},toQueryParams: function(separator){var match=this.strip().match(/([^?#]*)(#.*)?$/);
if(!match) return{};
return match[1].split(separator||'&').inject({}, function(hash, pair){if((pair=pair.split('='))[0]){var key=decodeURIComponent(pair.shift());
var value=pair.length > 1?pair.join('='):pair[0];
if(value!=undefined) value=decodeURIComponent(value);
if(key in hash){if(!Object.isArray(hash[key])) hash[key] =[hash[key]];
hash[key].push(value);}
else hash[key]=value;}
return hash;});},toArray: function(){return this.split('');},succ: function(){return this.slice(0, this.length-1) +String.fromCharCode(this.charCodeAt(this.length-1)+1);},times: function(count){return count<1?'':new Array(count+1).join(this);},camelize: function(){var parts=this.split('-'), len=parts.length;
if(len==1) return parts[0];
var camelized=this.charAt(0)=='-'
? parts[0].charAt(0).toUpperCase()+parts[0].substring(1)
: parts[0];
for(var i=1; i<len; i++)
camelized += parts[i].charAt(0).toUpperCase()+parts[i].substring(1);
return camelized;},capitalize: function(){return this.charAt(0).toUpperCase()+this.substring(1).toLowerCase();},underscore: function(){return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();},dasherize: function(){return this.gsub(/_/,'-');},inspect: function(useDoubleQuotes){var escapedString=this.gsub(/[\x00-\x1f\\]/, function(match){var character=String.specialChar[match[0]];
return character?character:'\\u00'+match[0].charCodeAt().toPaddedString(2, 16);});
if(useDoubleQuotes) return '"'+escapedString.replace(/"/g, '\\"')+'"';
return "'"+escapedString.replace(/'/g, '\\\'')+"'";},toJSON: function(){return this.inspect(true);},unfilterJSON: function(filter){return this.sub(filter||Prototype.JSONFilter, '#{1}');},isJSON: function(){var str=this;
if(str.blank()) return false;
str=this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');
return(/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);},evalJSON: function(sanitize){var json=this.unfilterJSON();
try{if(!sanitize||json.isJSON()) return eval('('+json+')');} catch(e){}
throw new SyntaxError('Badly formed JSON string: '+this.inspect());},include: function(pattern){return this.indexOf(pattern) > -1;},startsWith: function(pattern){return this.indexOf(pattern)===0;},endsWith: function(pattern){var d=this.length-pattern.length;
return d >= 0 && this.lastIndexOf(pattern)===d;},empty: function(){return this=='';},blank: function(){return /^\s*$/.test(this);},interpolate: function(object, pattern){return new Template(this, pattern).evaluate(object);}});
if(Prototype.Browser.WebKit||Prototype.Browser.IE) Object.extend(String.prototype,{escapeHTML: function(){return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');},unescapeHTML: function(){return this.replace(/&amp;/g,'&').replace(/&lt;/g,'<').replace(/&gt;/g,'>');}});
String.prototype.gsub.prepareReplacement=function(replacement){if(Object.isFunction(replacement)) return replacement;
var template=new Template(replacement);
return function(match){return template.evaluate(match)};};
String.prototype.parseQuery=String.prototype.toQueryParams;
Object.extend(String.prototype.escapeHTML,{div: document.createElement('div'),text: document.createTextNode('')});
with(String.prototype.escapeHTML) div.appendChild(text);
var Template=Class.create({initialize: function(template, pattern){this.template=template.toString();
this.pattern=pattern||Template.Pattern;},evaluate: function(object){if(Object.isFunction(object.toTemplateReplacements))
object=object.toTemplateReplacements();
return this.template.gsub(this.pattern, function(match){if(object==null) return '';
var before=match[1]||'';
if(before=='\\') return match[2];
var ctx=object, expr=match[3];
var pattern=/^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
match=pattern.exec(expr);
if(match==null) return before;
while(match!=null){var comp=match[1].startsWith('[')?match[2].gsub('\\\\]', ']'):match[1];
ctx=ctx[comp];
if(null==ctx||''==match[3]) break;
expr=expr.substring('['==match[3]?match[1].length:match[0].length);
match=pattern.exec(expr);}
return before+String.interpret(ctx);});}});
Template.Pattern=/(^|.|\r|\n)(#\{(.*?)\})/;
var $break ={};
var Enumerable ={each: function(iterator, context){var index=0;
iterator=iterator.bind(context);
try{this._each(function(value){iterator(value, index++);});} catch(e){if(e!=$break) throw e;}
return this;},eachSlice: function(number, iterator, context){iterator=iterator?iterator.bind(context):Prototype.K;
var index=-number, slices =[], array=this.toArray();
while((index += number)<array.length)
slices.push(array.slice(index, index+number));
return slices.collect(iterator, context);},all: function(iterator, context){iterator=iterator?iterator.bind(context):Prototype.K;
var result=true;
this.each(function(value, index){result=result && !!iterator(value, index);
if(!result) throw $break;});
return result;},any: function(iterator, context){iterator=iterator?iterator.bind(context):Prototype.K;
var result=false;
this.each(function(value, index){if(result=!!iterator(value, index))
throw $break;});
return result;},collect: function(iterator, context){iterator=iterator?iterator.bind(context):Prototype.K;
var results =[];
this.each(function(value, index){results.push(iterator(value, index));});
return results;},detect: function(iterator, context){iterator=iterator.bind(context);
var result;
this.each(function(value, index){if(iterator(value, index)){result=value;
throw $break;}});
return result;},findAll: function(iterator, context){iterator=iterator.bind(context);
var results =[];
this.each(function(value, index){if(iterator(value, index))
results.push(value);});
return results;},grep: function(filter, iterator, context){iterator=iterator?iterator.bind(context):Prototype.K;
var results =[];
if(Object.isString(filter))
filter=new RegExp(filter);
this.each(function(value, index){if(filter.match(value))
results.push(iterator(value, index));});
return results;},include: function(object){if(Object.isFunction(this.indexOf))
if(this.indexOf(object)!=-1) return true;
var found=false;
this.each(function(value){if(value==object){found=true;
throw $break;}});
return found;},inGroupsOf: function(number, fillWith){fillWith=Object.isUndefined(fillWith)?null:fillWith;
return this.eachSlice(number, function(slice){while(slice.length<number) slice.push(fillWith);
return slice;});},inject: function(memo, iterator, context){iterator=iterator.bind(context);
this.each(function(value, index){memo=iterator(memo, value, index);});
return memo;},invoke: function(method){var args=$A(arguments).slice(1);
return this.map(function(value){return value[method].apply(value, args);});},max: function(iterator, context){iterator=iterator?iterator.bind(context):Prototype.K;
var result;
this.each(function(value, index){value=iterator(value, index);
if(result==null||value >= result)
result=value;});
return result;},min: function(iterator, context){iterator=iterator?iterator.bind(context):Prototype.K;
var result;
this.each(function(value, index){value=iterator(value, index);
if(result==null||value<result)
result=value;});
return result;},partition: function(iterator, context){iterator=iterator?iterator.bind(context):Prototype.K;
var trues =[], falses =[];
this.each(function(value, index){(iterator(value, index) ?
trues:falses).push(value);});
return[trues, falses];},pluck: function(property){var results =[];
this.each(function(value){results.push(value[property]);});
return results;},reject: function(iterator, context){iterator=iterator.bind(context);
var results =[];
this.each(function(value, index){if(!iterator(value, index))
results.push(value);});
return results;},sortBy: function(iterator, context){iterator=iterator.bind(context);
return this.map(function(value, index){return{value: value, criteria: iterator(value, index)};}).sort(function(left, right){var a=left.criteria, b=right.criteria;
return a<b?-1:a > b?1:0;}).pluck('value');},toArray: function(){return this.map();},zip: function(){var iterator=Prototype.K, args=$A(arguments);
if(Object.isFunction(args.last()))
iterator=args.pop();
var collections =[this].concat(args).map($A);
return this.map(function(value, index){return iterator(collections.pluck(index));});},size: function(){return this.toArray().length;},inspect: function(){return '#<Enumerable:'+this.toArray().inspect()+'>';}};
Object.extend(Enumerable,{map: Enumerable.collect,find: Enumerable.detect,select: Enumerable.findAll,filter: Enumerable.findAll,member: Enumerable.include,entries: Enumerable.toArray,every: Enumerable.all,some: Enumerable.any});
function $A(iterable){if(!iterable) return[];
if(iterable.toArray) return iterable.toArray();
var length=iterable.length||0, results=new Array(length);
while(length--) results[length]=iterable[length];
return results;}
if(Prototype.Browser.WebKit){$A=function(iterable){if(!iterable) return[];
if(!(Object.isFunction(iterable) && iterable=='[object NodeList]') &&iterable.toArray) return iterable.toArray();
var length=iterable.length||0, results=new Array(length);
while(length--) results[length]=iterable[length];
return results;};}
Array.from=$A;
Object.extend(Array.prototype, Enumerable);
if(!Array.prototype._reverse) Array.prototype._reverse=Array.prototype.reverse;
Object.extend(Array.prototype,{_each: function(iterator){for(var i=0, length=this.length; i<length; i++)
iterator(this[i]);},clear: function(){this.length=0;
return this;},first: function(){return this[0];},last: function(){return this[this.length-1];},compact: function(){return this.select(function(value){return value!=null;});},flatten: function(){return this.inject([], function(array, value){return array.concat(Object.isArray(value) ?
value.flatten() :[value]);});},without: function(){var values=$A(arguments);
return this.select(function(value){return !values.include(value);});},reverse: function(inline){return(inline !== false?this:this.toArray())._reverse();},reduce: function(){return this.length > 1?this:this[0];},uniq: function(sorted){return this.inject([], function(array, value, index){if(0==index ||(sorted?array.last()!=value:!array.include(value)))
array.push(value);
return array;});},intersect: function(array){return this.uniq().findAll(function(item){return array.detect(function(value){return item===value});});},clone: function(){return[].concat(this);},size: function(){return this.length;},inspect: function(){return '['+this.map(Object.inspect).join(', ')+']';},toJSON: function(){var results =[];
this.each(function(object){var value=Object.toJSON(object);
if(!Object.isUndefined(value)) results.push(value);});
return '['+results.join(', ')+']';}});

if(Object.isFunction(Array.prototype.forEach))
Array.prototype._each=Array.prototype.forEach;
if(!Array.prototype.indexOf) Array.prototype.indexOf=function(item, i){i ||(i=0);
var length=this.length;
if(i<0) i=length+i;
for(; i<length; i++)
if(this[i]===item) return i;
return -1;};
if(!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf=function(item, i){i=isNaN(i)?this.length :(i<0?this.length+i:i)+1;
var n=this.slice(0, i).reverse().indexOf(item);
return(n<0)?n:i-n-1;};
Array.prototype.toArray=Array.prototype.clone;
function $w(string){if(!Object.isString(string)) return[];
string=string.strip();
return string?string.split(/\s+/) :[];}
if(Prototype.Browser.Opera){Array.prototype.concat=function(){var array =[];
for(var i=0, length=this.length; i<length; i++) array.push(this[i]);
for(var i=0, length=arguments.length; i<length; i++){if(Object.isArray(arguments[i])){for(var j=0, arrayLength=arguments[i].length; j<arrayLength; j++)
array.push(arguments[i][j]);} else{array.push(arguments[i]);}}
return array;};}
Object.extend(Number.prototype,{toColorPart: function(){return this.toPaddedString(2, 16);},succ: function(){return this+1;},times: function(iterator){$R(0, this, true).each(iterator);
return this;},toPaddedString: function(length, radix){var string=this.toString(radix||10);
return '0'.times(length-string.length)+string;},toJSON: function(){return isFinite(this)?this.toString():'null';}});
$w('abs round ceil floor').each(function(method){Number.prototype[method]=Math[method].methodize();});
function $H(object){return new Hash(object);};
var Hash=Class.create(Enumerable,(function(){function toQueryPair(key, value){if(Object.isUndefined(value)) return key;
return key+'='+encodeURIComponent(String.interpret(value));}
return{initialize: function(object){this._object=Object.isHash(object)?object.toObject():Object.clone(object);},_each: function(iterator){for(var key in this._object){var value=this._object[key], pair =[key, value];
pair.key=key;
pair.value=value;
iterator(pair);}},set: function(key, value){return this._object[key]=value;},get: function(key){return this._object[key];},unset: function(key){var value=this._object[key];
delete this._object[key];
return value;},toObject: function(){return Object.clone(this._object);},keys: function(){return this.pluck('key');},values: function(){return this.pluck('value');},index: function(value){var match=this.detect(function(pair){return pair.value===value;});
return match && match.key;},merge: function(object){return this.clone().update(object);},update: function(object){return new Hash(object).inject(this, function(result, pair){result.set(pair.key, pair.value);
return result;});},toQueryString: function(){return this.map(function(pair){var key=encodeURIComponent(pair.key), values=pair.value;
if(values && typeof values=='object'){if(Object.isArray(values))
return values.map(toQueryPair.curry(key)).join('&');}
return toQueryPair(key, values);}).join('&');},inspect: function(){return '#<Hash:{'+this.map(function(pair){return pair.map(Object.inspect).join(': ');}).join(', ')+'}>';},toJSON: function(){return Object.toJSON(this.toObject());},clone: function(){return new Hash(this);}}})());
Hash.prototype.toTemplateReplacements=Hash.prototype.toObject;
Hash.from=$H;
var ObjectRange=Class.create(Enumerable,{initialize: function(start, end, exclusive){this.start=start;
this.end=end;
this.exclusive=exclusive;},_each: function(iterator){var value=this.start;
while(this.include(value)){iterator(value);
value=value.succ();}},include: function(value){if(value<this.start)
return false;
if(this.exclusive)
return value<this.end;
return value <= this.end;}});
var $R=function(start, end, exclusive){return new ObjectRange(start, end, exclusive);};
var Ajax ={getTransport: function(){return Try.these(
function(){return new XMLHttpRequest()},function(){return new ActiveXObject('Msxml2.XMLHTTP')},function(){return new ActiveXObject('Microsoft.XMLHTTP')}
)||false;},activeRequestCount: 0};
Ajax.Responders ={responders:[],_each: function(iterator){this.responders._each(iterator);},register: function(responder){if(!this.include(responder))
this.responders.push(responder);},unregister: function(responder){this.responders=this.responders.without(responder);},dispatch: function(callback, request, transport, json){this.each(function(responder){if(Object.isFunction(responder[callback])){try{responder[callback].apply(responder,[request, transport, json]);} catch(e){}}});}};
Object.extend(Ajax.Responders, Enumerable);
Ajax.Responders.register({onCreate: function(){Ajax.activeRequestCount++},onComplete: function(){Ajax.activeRequestCount--}});
Ajax.Base=Class.create({initialize: function(options){this.options ={method: 'post',asynchronous: true,contentType: 'application/x-www-form-urlencoded',encoding: 'UTF-8',parameters: '',evalJSON: true,evalJS: true};
Object.extend(this.options, options ||{});
this.options.method=this.options.method.toLowerCase();
if(Object.isString(this.options.parameters))
this.options.parameters=this.options.parameters.toQueryParams();
else if(Object.isHash(this.options.parameters))
this.options.parameters=this.options.parameters.toObject();}});
Ajax.Request=Class.create(Ajax.Base,{_complete: false,initialize: function($super, url, options){$super(options);
this.transport=Ajax.getTransport();
this.request(url);},request: function(url){this.url=url;
this.method=this.options.method;
var params=Object.clone(this.options.parameters);
if(!['get', 'post'].include(this.method)){
params['_method']=this.method;
this.method='post';}
this.parameters=params;
if(params=Object.toQueryString(params)){
if(this.method=='get')
this.url +=(this.url.include('?')?'&':'?')+params;
else if(/Konqueror|Safari|KHTML/.test(navigator.userAgent))
params += '&_=';}
try{var response=new Ajax.Response(this);
if(this.options.onCreate) this.options.onCreate(response);
Ajax.Responders.dispatch('onCreate', this, response);
this.transport.open(this.method.toUpperCase(), this.url,this.options.asynchronous);
if(this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);
this.transport.onreadystatechange=this.onStateChange.bind(this);
this.setRequestHeaders();
this.body=this.method=='post' ?(this.options.postBody||params):null;
this.transport.send(this.body);
if(!this.options.asynchronous && this.transport.overrideMimeType)
this.onStateChange();}
catch(e){this.dispatchException(e);}},onStateChange: function(){var readyState=this.transport.readyState;
if(readyState > 1 && !((readyState==4) && this._complete))
this.respondToReadyState(this.transport.readyState);},setRequestHeaders: function(){var headers ={'X-Requested-With': 'XMLHttpRequest','X-Prototype-Version': Prototype.Version,'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'};
if(this.method=='post'){headers['Content-type']=this.options.contentType +(this.options.encoding?'; charset='+this.options.encoding:'');
if(this.transport.overrideMimeType &&(navigator.userAgent.match(/Gecko\/(\d{4})/) ||[0,2005])[1]<2005)
headers['Connection']='close';}
if(typeof this.options.requestHeaders=='object'){var extras=this.options.requestHeaders;
if(Object.isFunction(extras.push))
for(var i=0, length=extras.length; i<length; i += 2)
headers[extras[i]]=extras[i+1];
else
$H(extras).each(function(pair){headers[pair.key]=pair.value});}
for(var name in headers)
this.transport.setRequestHeader(name, headers[name]);},success: function(){var status=this.getStatus();
return !status ||(status >= 200 && status<300);},getStatus: function(){try{return this.transport.status||0;} catch(e){return 0}},respondToReadyState: function(readyState){var state=Ajax.Request.Events[readyState], response=new Ajax.Response(this);
if(state=='Complete'){try{this._complete=true;
(this.options['on'+response.status]
|| this.options['on' +(this.success()?'Success':'Failure')]
|| Prototype.emptyFunction)(response, response.headerJSON);} catch(e){this.dispatchException(e);}
var contentType=response.getHeader('Content-type');
if(this.options.evalJS=='force'
||(this.options.evalJS && this.isSameOrigin() && contentType
&& contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
this.evalResponse();}
try{(this.options['on'+state]||Prototype.emptyFunction)(response, response.headerJSON);
Ajax.Responders.dispatch('on'+state, this, response, response.headerJSON);} catch(e){this.dispatchException(e);}
if(state=='Complete'){
this.transport.onreadystatechange=Prototype.emptyFunction;}},isSameOrigin: function(){var m=this.url.match(/^\s*https?:\/\/[^\/]*/);
return !m ||(m[0]=='#{protocol}//#{domain}#{port}'.interpolate({protocol: location.protocol,domain: document.domain,port: location.port?':'+location.port:''}));},getHeader: function(name){try{return this.transport.getResponseHeader(name)||null;} catch(e){return null}},evalResponse: function(){try{return eval((this.transport.responseText||'').unfilterJSON());} catch(e){this.dispatchException(e);}},dispatchException: function(exception){(this.options.onException||Prototype.emptyFunction)(this, exception);
Ajax.Responders.dispatch('onException', this, exception);}});
Ajax.Request.Events =
['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
Ajax.Response=Class.create({initialize: function(request){this.request=request;
var transport=this.transport=request.transport,readyState=this.readyState=transport.readyState;
if((readyState > 2 && !Prototype.Browser.IE)||readyState==4){this.status=this.getStatus();
this.statusText=this.getStatusText();
this.responseText=String.interpret(transport.responseText);
this.headerJSON=this._getHeaderJSON();}
if(readyState==4){var xml=transport.responseXML;
this.responseXML=Object.isUndefined(xml)?null:xml;
this.responseJSON=this._getResponseJSON();}},status: 0,statusText: '',getStatus: Ajax.Request.prototype.getStatus,getStatusText: function(){try{return this.transport.statusText||'';} catch(e){return ''}},getHeader: Ajax.Request.prototype.getHeader,getAllHeaders: function(){try{return this.getAllResponseHeaders();} catch(e){return null}},getResponseHeader: function(name){return this.transport.getResponseHeader(name);},getAllResponseHeaders: function(){return this.transport.getAllResponseHeaders();},_getHeaderJSON: function(){var json=this.getHeader('X-JSON');
if(!json) return null;
json=decodeURIComponent(escape(json));
try{return json.evalJSON(this.request.options.sanitizeJSON ||!this.request.isSameOrigin());} catch(e){this.request.dispatchException(e);}},_getResponseJSON: function(){var options=this.request.options;
if(!options.evalJSON ||(options.evalJSON!='force' &&!(this.getHeader('Content-type')||'').include('application/json')) ||this.responseText.blank())
return null;
try{return this.responseText.evalJSON(options.sanitizeJSON ||!this.request.isSameOrigin());} catch(e){this.request.dispatchException(e);}}});
Ajax.Updater=Class.create(Ajax.Request,{initialize: function($super, container, url, options){this.container ={success:(container.success||container),failure:(container.failure ||(container.success?null:container))};
options=Object.clone(options);
var onComplete=options.onComplete;
options.onComplete =(function(response, json){this.updateContent(response.responseText);
if(Object.isFunction(onComplete)) onComplete(response, json);}).bind(this);
$super(url, options);},updateContent: function(responseText){var receiver=this.container[this.success()?'success':'failure'],options=this.options;
if(!options.evalScripts) responseText=responseText.stripScripts();
if(receiver=$(receiver)){if(options.insertion){if(Object.isString(options.insertion)){var insertion ={}; insertion[options.insertion]=responseText;
receiver.insert(insertion);}
else options.insertion(receiver, responseText);}
else receiver.update(responseText);}}});
Ajax.PeriodicalUpdater=Class.create(Ajax.Base,{initialize: function($super, container, url, options){$super(options);
this.onComplete=this.options.onComplete;
this.frequency =(this.options.frequency||2);
this.decay =(this.options.decay||1);
this.updater ={};
this.container=container;
this.url=url;
this.start();},start: function(){this.options.onComplete=this.updateComplete.bind(this);
this.onTimerEvent();},stop: function(){this.updater.options.onComplete=undefined;
clearTimeout(this.timer);
(this.onComplete||Prototype.emptyFunction).apply(this, arguments);},updateComplete: function(response){if(this.options.decay){this.decay =(response.responseText==this.lastText ?
this.decay * this.options.decay:1);
this.lastText=response.responseText;}
this.timer=this.onTimerEvent.bind(this).delay(this.decay * this.frequency);},onTimerEvent: function(){this.updater=new Ajax.Updater(this.container, this.url, this.options);}});
function $(element){if(arguments.length > 1){for(var i=0, elements =[], length=arguments.length; i<length; i++)
elements.push($(arguments[i]));
return elements;}
if(Object.isString(element))
element=document.getElementById(element);
return Element.extend(element);}
if(Prototype.BrowserFeatures.XPath){document._getElementsByXPath=function(expression, parentElement){var results =[];
var query=document.evaluate(expression, $(parentElement)||document,null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
for(var i=0, length=query.snapshotLength; i<length; i++)
results.push(Element.extend(query.snapshotItem(i)));
return results;};}
/*--------------------------------------------------------------------------*/
if(!window.Node) var Node ={};
if(!Node.ELEMENT_NODE){
Object.extend(Node,{ELEMENT_NODE: 1,ATTRIBUTE_NODE: 2,TEXT_NODE: 3,CDATA_SECTION_NODE: 4,ENTITY_REFERENCE_NODE: 5,ENTITY_NODE: 6,PROCESSING_INSTRUCTION_NODE: 7,COMMENT_NODE: 8,DOCUMENT_NODE: 9,DOCUMENT_TYPE_NODE: 10,DOCUMENT_FRAGMENT_NODE: 11,NOTATION_NODE: 12});}
(function(){var element=this.Element;
this.Element=function(tagName, attributes){attributes=attributes ||{};
tagName=tagName.toLowerCase();
var cache=Element.cache;
if(Prototype.Browser.IE && attributes.name){tagName='<'+tagName+' name="'+attributes.name+'">';
delete attributes.name;
return Element.writeAttribute(document.createElement(tagName), attributes);}
if(!cache[tagName]) cache[tagName]=Element.extend(document.createElement(tagName));
return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);};
Object.extend(this.Element, element ||{});}).call(window);
Element.cache ={};
Element.Methods ={visible: function(element){return $(element).style.display!='none';},toggle: function(element){element=$(element);
Element[Element.visible(element)?'hide':'show'](element);
return element;},hide: function(element){$(element).style.display='none';
return element;},show: function(element){$(element).style.display='';
return element;},remove: function(element){element=$(element);
element.parentNode.removeChild(element);
return element;},update: function(element, content){element=$(element);
if(content && content.toElement) content=content.toElement();
if(Object.isElement(content)) return element.update().insert(content);
content=Object.toHTML(content);
element.innerHTML=content.stripScripts();
content.evalScripts.bind(content).defer();
return element;},replace: function(element, content){element=$(element);
if(content && content.toElement) content=content.toElement();
else if(!Object.isElement(content)){content=Object.toHTML(content);
var range=element.ownerDocument.createRange();
range.selectNode(element);
content.evalScripts.bind(content).defer();
content=range.createContextualFragment(content.stripScripts());}
element.parentNode.replaceChild(content, element);
return element;},insert: function(element, insertions){element=$(element);
if(Object.isString(insertions)||Object.isNumber(insertions) ||Object.isElement(insertions) ||(insertions &&(insertions.toElement||insertions.toHTML)))
insertions ={bottom:insertions};
var content, insert, tagName, childNodes;
for(var position in insertions){content=insertions[position];
position=position.toLowerCase();
insert=Element._insertionTranslations[position];
if(content && content.toElement) content=content.toElement();
if(Object.isElement(content)){insert(element, content);
continue;}
content=Object.toHTML(content);
tagName =((position=='before'||position=='after')
? element.parentNode:element).tagName.toUpperCase();
childNodes=Element._getContentFromAnonymousElement(tagName, content.stripScripts());
if(position=='top'||position=='after') childNodes.reverse();
childNodes.each(insert.curry(element));
content.evalScripts.bind(content).defer();}
return element;},wrap: function(element, wrapper, attributes){element=$(element);
if(Object.isElement(wrapper))
$(wrapper).writeAttribute(attributes ||{});
else if(Object.isString(wrapper)) wrapper=new Element(wrapper, attributes);
else wrapper=new Element('div', wrapper);
if(element.parentNode)
element.parentNode.replaceChild(wrapper, element);
wrapper.appendChild(element);
return wrapper;},inspect: function(element){element=$(element);
var result='<'+element.tagName.toLowerCase();
$H({'id': 'id', 'className': 'class'}).each(function(pair){var property=pair.first(), attribute=pair.last();
var value =(element[property]||'').toString();
if(value) result += ' '+attribute+'='+value.inspect(true);});
return result+'>';},recursivelyCollect: function(element, property){element=$(element);
var elements =[];
while(element=element[property])
if(element.nodeType==1)
elements.push(Element.extend(element));
return elements;},ancestors: function(element){return $(element).recursivelyCollect('parentNode');},descendants: function(element){return $(element).select("*");},firstDescendant: function(element){element=$(element).firstChild;
while(element && element.nodeType!=1) element=element.nextSibling;
return $(element);},immediateDescendants: function(element){if(!(element=$(element).firstChild)) return[];
while(element && element.nodeType!=1) element=element.nextSibling;
if(element) return[element].concat($(element).nextSiblings());
return[];},previousSiblings: function(element){return $(element).recursivelyCollect('previousSibling');},nextSiblings: function(element){return $(element).recursivelyCollect('nextSibling');},siblings: function(element){element=$(element);
return element.previousSiblings().reverse().concat(element.nextSiblings());},match: function(element, selector){if(Object.isString(selector))
selector=new Selector(selector);
return selector.match($(element));},up: function(element, expression, index){element=$(element);
if(arguments.length==1) return $(element.parentNode);
var ancestors=element.ancestors();
return Object.isNumber(expression)?ancestors[expression] :
Selector.findElement(ancestors, expression, index);},down: function(element, expression, index){element=$(element);
if(arguments.length==1) return element.firstDescendant();
return Object.isNumber(expression)?element.descendants()[expression] :
element.select(expression)[index||0];},previous: function(element, expression, index){element=$(element);
if(arguments.length==1) return $(Selector.handlers.previousElementSibling(element));
var previousSiblings=element.previousSiblings();
return Object.isNumber(expression)?previousSiblings[expression] :
Selector.findElement(previousSiblings, expression, index);},next: function(element, expression, index){element=$(element);
if(arguments.length==1) return $(Selector.handlers.nextElementSibling(element));
var nextSiblings=element.nextSiblings();
return Object.isNumber(expression)?nextSiblings[expression] :
Selector.findElement(nextSiblings, expression, index);},select: function(){var args=$A(arguments), element=$(args.shift());
return Selector.findChildElements(element, args);},adjacent: function(){var args=$A(arguments), element=$(args.shift());
return Selector.findChildElements(element.parentNode, args).without(element);},identify: function(element){element=$(element);
var id=element.readAttribute('id'), self=arguments.callee;
if(id) return id;
do{id='anonymous_element_'+self.counter++} while($(id));
element.writeAttribute('id', id);
return id;},readAttribute: function(element, name){element=$(element);
if(Prototype.Browser.IE){var t=Element._attributeTranslations.read;
if(t.values[name]) return t.values[name](element, name);
if(t.names[name]) name=t.names[name];
if(name.include(':')){return(!element.attributes||!element.attributes[name])?null :
element.attributes[name].value;}}
return element.getAttribute(name);},writeAttribute: function(element, name, value){element=$(element);
var attributes ={}, t=Element._attributeTranslations.write;
if(typeof name=='object') attributes=name;
else attributes[name]=Object.isUndefined(value)?true:value;
for(var attr in attributes){name=t.names[attr]||attr;
value=attributes[attr];
if(t.values[attr]) name=t.values[attr](element, value);
if(value===false||value===null)
element.removeAttribute(name);
else if(value===true)
element.setAttribute(name, name);
else element.setAttribute(name, value);}
return element;},getHeight: function(element){return $(element).getDimensions().height;},getWidth: function(element){return $(element).getDimensions().width;},classNames: function(element){return new Element.ClassNames(element);},hasClassName: function(element, className){if(!(element=$(element))) return;
var elementClassName=element.className;
return(elementClassName.length > 0 &&(elementClassName==className ||new RegExp("(^|\\s)"+className+"(\\s|$)").test(elementClassName)));},addClassName: function(element, className){if(!(element=$(element))) return;
if(!element.hasClassName(className))
element.className +=(element.className?' ':'')+className;
return element;},removeClassName: function(element, className){if(!(element=$(element))) return;
element.className=element.className.replace(
new RegExp("(^|\\s+)"+className+"(\\s+|$)"), ' ').strip();
return element;},toggleClassName: function(element, className){if(!(element=$(element))) return;
return element[element.hasClassName(className) ?
'removeClassName':'addClassName'](className);},// removes whitespace-only text node children
cleanWhitespace: function(element){element=$(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=$(ancestor);
var originalAncestor=ancestor;
if(element.compareDocumentPosition)
return(element.compareDocumentPosition(ancestor) & 8)===8;
if(element.sourceIndex && !Prototype.Browser.Opera){var e=element.sourceIndex, a=ancestor.sourceIndex,nextAncestor=ancestor.nextSibling;
if(!nextAncestor){do{ancestor=ancestor.parentNode;}
while(!(nextAncestor=ancestor.nextSibling) && ancestor.parentNode);}
if(nextAncestor && nextAncestor.sourceIndex)
return(e > a && e<nextAncestor.sourceIndex);}
while(element=element.parentNode)
if(element==originalAncestor) return true;
return false;},scrollTo: function(element){element=$(element);
var pos=element.cumulativeOffset();
window.scrollTo(pos[0], pos[1]);
return element;},getStyle: function(element, style){element=$(element);
style=style=='float'?'cssFloat':style.camelize();
var value=element.style[style];
if(!value){var css=document.defaultView.getComputedStyle(element, null);
value=css?css[style]:null;}
if(style=='opacity') return value?parseFloat(value):1.0;
return value=='auto'?null:value;},getOpacity: function(element){return $(element).getStyle('opacity');},setStyle: function(element, styles){element=$(element);
var elementStyle=element.style, match;
if(Object.isString(styles)){element.style.cssText += ';'+styles;
return styles.include('opacity') ?
element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]):element;}
for(var property in styles)
if(property=='opacity') element.setOpacity(styles[property]);
else
elementStyle[(property=='float'||property=='cssFloat') ?
(Object.isUndefined(elementStyle.styleFloat)?'cssFloat':'styleFloat') :
property]=styles[property];
return element;},setOpacity: function(element, value){element=$(element);
element.style.opacity =(value==1||value==='')?'' :
(value<0.00001)?0:value;
return element;},getDimensions: function(element){element=$(element);
var display=$(element).getStyle('display');
if(display!='none' && display!=null) 
return{width: element.offsetWidth, height: element.offsetHeight};
// All *Width and *Height properties give 0 on elements with display none,
var els=element.style;
var originalVisibility=els.visibility;
var originalPosition=els.position;
var originalDisplay=els.display;
els.visibility='hidden';
els.position='absolute';
els.display='block';
var originalWidth=element.clientWidth;
var originalHeight=element.clientHeight;
els.display=originalDisplay;
els.position=originalPosition;
els.visibility=originalVisibility;
return{width: originalWidth, height: originalHeight};},makePositioned: function(element){element=$(element);
var pos=Element.getStyle(element, 'position');
if(pos=='static'||!pos){element._madePositioned=true;
element.style.position='relative';
if(window.opera){element.style.top=0;
element.style.left=0;}}
return element;},undoPositioned: function(element){element=$(element);
if(element._madePositioned){element._madePositioned=undefined;
element.style.position =
element.style.top =
element.style.left =
element.style.bottom =
element.style.right='';}
return element;},makeClipping: function(element){element=$(element);
if(element._overflow) return element;
element._overflow=Element.getStyle(element, 'overflow')||'auto';
if(element._overflow !== 'hidden')
element.style.overflow='hidden';
return element;},undoClipping: function(element){element=$(element);
if(!element._overflow) return element;
element.style.overflow=element._overflow=='auto'?'':element._overflow;
element._overflow=null;
return element;},cumulativeOffset: function(element){var valueT=0, valueL=0;
do{valueT += element.offsetTop||0;
valueL += element.offsetLeft||0;
element=element.offsetParent;} while(element);
return Element._returnOffset(valueL, valueT);},positionedOffset: function(element){var valueT=0, valueL=0;
do{valueT += element.offsetTop||0;
valueL += element.offsetLeft||0;
element=element.offsetParent;
if(element){if(element.tagName=='BODY') break;
var p=Element.getStyle(element, 'position');
if(p !== 'static') break;}} while(element);
return Element._returnOffset(valueL, valueT);},absolutize: function(element){element=$(element);
if(element.getStyle('position')=='absolute') return;
var offsets=element.positionedOffset();
var top=offsets[1];
var left=offsets[0];
var width=element.clientWidth;
var height=element.clientHeight;
element._originalLeft=left-parseFloat(element.style.left||0);
element._originalTop=top-parseFloat(element.style.top||0);
element._originalWidth=element.style.width;
element._originalHeight=element.style.height;
element.style.position='absolute';
element.style.top=top+'px';
element.style.left=left+'px';
element.style.width=width+'px';
element.style.height=height+'px';
return element;},relativize: function(element){element=$(element);
if(element.getStyle('position')=='relative') return;
element.style.position='relative';
var top=parseFloat(element.style.top||0) -(element._originalTop||0);
var left=parseFloat(element.style.left||0) -(element._originalLeft||0);
element.style.top=top+'px';
element.style.left=left+'px';
element.style.height=element._originalHeight;
element.style.width=element._originalWidth;
return element;},cumulativeScrollOffset: function(element){var valueT=0, valueL=0;
do{valueT += element.scrollTop||0;
valueL += element.scrollLeft||0;
element=element.parentNode;} while(element);
return Element._returnOffset(valueL, valueT);},getOffsetParent: function(element){if(element.offsetParent) return $(element.offsetParent);
if(element==document.body) return $(element);
while((element=element.parentNode) && element!=document.body)
if(Element.getStyle(element, 'position')!='static')
return $(element);
return $(document.body);},viewportOffset: function(forElement){var valueT=0, valueL=0;
var element=forElement;
do{valueT += element.offsetTop||0;
valueL += element.offsetLeft||0;
if(element.offsetParent==document.body &&Element.getStyle(element, 'position')=='absolute') break;} while(element=element.offsetParent);
element=forElement;
do{if(!Prototype.Browser.Opera||element.tagName=='BODY'){valueT-=element.scrollTop||0;
valueL-=element.scrollLeft||0;}} while(element=element.parentNode);
return Element._returnOffset(valueL, valueT);},clonePosition: function(element, source){var options=Object.extend({setLeft: true,setTop: true,setWidth: true,setHeight: true,offsetTop: 0,offsetLeft: 0}, arguments[2] ||{});
source=$(source);
var p=source.viewportOffset();
element=$(element);
var delta =[0, 0];
var parent=null;
// delta[0,0] will do fine with position: fixed elements,
if(Element.getStyle(element, 'position')=='absolute'){parent=element.getOffsetParent();
delta=parent.viewportOffset();}
if(parent==document.body){delta[0]-=document.body.offsetLeft;
delta[1]-=document.body.offsetTop;}
if(options.setLeft) element.style.left =(p[0]-delta[0]+options.offsetLeft)+'px';
if(options.setTop) element.style.top =(p[1]-delta[1]+options.offsetTop)+'px';
if(options.setWidth) element.style.width=source.offsetWidth+'px';
if(options.setHeight) element.style.height=source.offsetHeight+'px';
return element;}};
Element.Methods.identify.counter=1;
Object.extend(Element.Methods,{getElementsBySelector: Element.Methods.select,childElements: Element.Methods.immediateDescendants});
Element._attributeTranslations ={write:{names:{className: 'class',htmlFor: 'for'},values:{}}};
if(Prototype.Browser.Opera){Element.Methods.getStyle=Element.Methods.getStyle.wrap(
function(proceed, element, style){switch(style){case 'left': case 'top': case 'right': case 'bottom':
if(proceed(element, 'position')==='static') return null;
case 'height': case 'width':

if(!Element.visible(element)) return null;
// returns the border-box dimensions rather than the content-box
var dim=parseInt(proceed(element, style), 10);
if(dim !== element['offset'+style.capitalize()])
return dim+'px';
var properties;
if(style==='height'){properties =['border-top-width', 'padding-top','padding-bottom', 'border-bottom-width'];}
else{properties =['border-left-width', 'padding-left','padding-right', 'border-right-width'];}
return properties.inject(dim, function(memo, property){var val=proceed(element, property);
return val===null?memo:memo-parseInt(val, 10);})+'px';
default: return proceed(element, style);}}
);
Element.Methods.readAttribute=Element.Methods.readAttribute.wrap(
function(proceed, element, attribute){if(attribute==='title') return element.title;
return proceed(element, attribute);}
);}
else if(Prototype.Browser.IE){
Element.Methods.getOffsetParent=Element.Methods.getOffsetParent.wrap(
function(proceed, element){element=$(element);
var position=element.getStyle('position');
if(position !== 'static') return proceed(element);
element.setStyle({position: 'relative'});
var value=proceed(element);
element.setStyle({position: position});
return value;}
);
$w('positionedOffset viewportOffset').each(function(method){Element.Methods[method]=Element.Methods[method].wrap(
function(proceed, element){element=$(element);
var position=element.getStyle('position');
if(position !== 'static') return proceed(element);

var offsetParent=element.getOffsetParent();
if(offsetParent && offsetParent.getStyle('position')==='fixed')
offsetParent.setStyle({zoom: 1});
element.setStyle({position: 'relative'});
var value=proceed(element);
element.setStyle({position: position});
return value;}
);});
Element.Methods.getStyle=function(element, style){element=$(element);
style =(style=='float'||style=='cssFloat')?'styleFloat':style.camelize();
var value=element.style[style];
if(!value && element.currentStyle) value=element.currentStyle[style];
if(style=='opacity'){if(value =(element.getStyle('filter')||'').match(/alpha\(opacity=(.*)\)/))
if(value[1]) return parseFloat(value[1]) / 100;
return 1.0;}
if(value=='auto'){if((style=='width'||style=='height') &&(element.getStyle('display')!='none'))
return element['offset'+style.capitalize()]+'px';
return null;}
return value;};
Element.Methods.setOpacity=function(element, value){function stripAlpha(filter){return filter.replace(/alpha\([^\)]*\)/gi,'');}
element=$(element);
var currentStyle=element.currentStyle;
if((currentStyle && !currentStyle.hasLayout)||(!currentStyle && element.style.zoom=='normal'))
element.style.zoom=1;
var filter=element.getStyle('filter'), style=element.style;
if(value==1||value===''){(filter=stripAlpha(filter)) ?
style.filter=filter:style.removeAttribute('filter');
return element;} else if(value<0.00001) value=0;
style.filter=stripAlpha(filter) +'alpha(opacity=' +(value * 100)+')';
return element;};
Element._attributeTranslations ={read:{names:{'class': 'className','for': 'htmlFor'},values:{_getAttr: function(element, attribute){return element.getAttribute(attribute, 2);},_getAttrNode: function(element, attribute){var node=element.getAttributeNode(attribute);
return node?node.value:"";},_getEv: function(element, attribute){attribute=element.getAttribute(attribute);
return attribute?attribute.toString().slice(23, -2):null;},_flag: function(element, attribute){return $(element).hasAttribute(attribute)?attribute:null;},style: function(element){return element.style.cssText.toLowerCase();},title: function(element){return element.title;}}}};
Element._attributeTranslations.write ={names: Object.extend({cellpadding: 'cellPadding',cellspacing: 'cellSpacing'}, Element._attributeTranslations.read.names),values:{checked: function(element, value){element.checked=!!value;},style: function(element, value){element.style.cssText=value?value:'';}}};
Element._attributeTranslations.has ={};
$w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +'encType maxLength readOnly longDesc').each(function(attr){Element._attributeTranslations.write.names[attr.toLowerCase()]=attr;
Element._attributeTranslations.has[attr.toLowerCase()]=attr;});
(function(v){Object.extend(v,{href: v._getAttr,src: v._getAttr,type: v._getAttr,action: v._getAttrNode,disabled: v._flag,checked: v._flag,readonly: v._flag,multiple: v._flag,onload: v._getEv,onunload: v._getEv,onclick: v._getEv,ondblclick: v._getEv,onmousedown: v._getEv,onmouseup: v._getEv,onmouseover: v._getEv,onmousemove: v._getEv,onmouseout: v._getEv,onfocus: v._getEv,onblur: v._getEv,onkeypress: v._getEv,onkeydown: v._getEv,onkeyup: v._getEv,onsubmit: v._getEv,onreset: v._getEv,onselect: v._getEv,onchange: v._getEv});})(Element._attributeTranslations.read.values);}
else if(Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)){Element.Methods.setOpacity=function(element, value){element=$(element);
element.style.opacity =(value==1)?0.999999 :
(value==='')?'' :(value<0.00001)?0:value;
return element;};}
else if(Prototype.Browser.WebKit){Element.Methods.setOpacity=function(element, value){element=$(element);
element.style.opacity =(value==1||value==='')?'' :
(value<0.00001)?0:value;
if(value==1)
if(element.tagName=='IMG' && element.width){element.width++; element.width--;} else try{var n=document.createTextNode(' ');
element.appendChild(n);
element.removeChild(n);} catch(e){}
return element;};
// positioned. For performance reasons, redefine Element#cumulativeOffset for
// KHTML/WebKit only.
Element.Methods.cumulativeOffset=function(element){var valueT=0, valueL=0;
do{valueT += element.offsetTop||0;
valueL += element.offsetLeft||0;
if(element.offsetParent==document.body)
if(Element.getStyle(element, 'position')=='absolute') break;
element=element.offsetParent;} while(element);
return Element._returnOffset(valueL, valueT);};}
if(Prototype.Browser.IE||Prototype.Browser.Opera){// IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements
Element.Methods.update=function(element, content){element=$(element);
if(content && content.toElement) content=content.toElement();
if(Object.isElement(content)) return element.update().insert(content);
content=Object.toHTML(content);
var tagName=element.tagName.toUpperCase();
if(tagName in Element._insertionTranslations.tags){$A(element.childNodes).each(function(node){element.removeChild(node)});
Element._getContentFromAnonymousElement(tagName, content.stripScripts())
.each(function(node){element.appendChild(node)});}
else element.innerHTML=content.stripScripts();
content.evalScripts.bind(content).defer();
return element;};}
if('outerHTML' in document.createElement('div')){Element.Methods.replace=function(element, content){element=$(element);
if(content && content.toElement) content=content.toElement();
if(Object.isElement(content)){element.parentNode.replaceChild(content, element);
return element;}
content=Object.toHTML(content);
var parent=element.parentNode, tagName=parent.tagName.toUpperCase();
if(Element._insertionTranslations.tags[tagName]){var nextSibling=element.next();
var fragments=Element._getContentFromAnonymousElement(tagName, content.stripScripts());
parent.removeChild(element);
if(nextSibling)
fragments.each(function(node){parent.insertBefore(node, nextSibling)});
else
fragments.each(function(node){parent.appendChild(node)});}
else element.outerHTML=content.stripScripts();
content.evalScripts.bind(content).defer();
return element;};}
Element._returnOffset=function(l, t){var result =[l, t];
result.left=l;
result.top=t;
return result;};
Element._getContentFromAnonymousElement=function(tagName, html){var div=new Element('div'), t=Element._insertionTranslations.tags[tagName];
if(t){div.innerHTML=t[0]+html+t[1];
t[2].times(function(){div=div.firstChild});} else div.innerHTML=html;
return $A(div.childNodes);};
Element._insertionTranslations ={before: function(element, node){element.parentNode.insertBefore(node, element);},top: function(element, node){element.insertBefore(node, element.firstChild);},bottom: function(element, node){element.appendChild(node);},after: function(element, node){element.parentNode.insertBefore(node, element.nextSibling);},tags:{TABLE:['<table>', '</table>', 1],TBODY:['<table><tbody>', '</tbody></table>', 2],TR:['<table><tbody><tr>', '</tr></tbody></table>', 3],TD:['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],SELECT:['<select>', '</select>', 1]}};
(function(){Object.extend(this.tags,{THEAD: this.tags.TBODY,TFOOT: this.tags.TBODY,TH: this.tags.TD});}).call(Element._insertionTranslations);
Element.Methods.Simulated ={hasAttribute: function(element, attribute){attribute=Element._attributeTranslations.has[attribute]||attribute;
var node=$(element).getAttributeNode(attribute);
return node && node.specified;}};
Element.Methods.ByTag ={};
Object.extend(Element, Element.Methods);
if(!Prototype.BrowserFeatures.ElementExtensions &&document.createElement('div').__proto__){window.HTMLElement ={};
window.HTMLElement.prototype=document.createElement('div').__proto__;
Prototype.BrowserFeatures.ElementExtensions=true;}
Element.extend =(function(){if(Prototype.BrowserFeatures.SpecificElementExtensions)
return Prototype.K;
var Methods ={}, ByTag=Element.Methods.ByTag;
var extend=Object.extend(function(element){if(!element||element._extendedByPrototype ||element.nodeType!=1||element==window) return element;
var methods=Object.clone(Methods),tagName=element.tagName, property, value;
if(ByTag[tagName]) Object.extend(methods, ByTag[tagName]);
for(property in methods){value=methods[property];
if(Object.isFunction(value) && !(property in element))
element[property]=value.methodize();}
element._extendedByPrototype=Prototype.emptyFunction;
return element;},{refresh: function(){
if(!Prototype.BrowserFeatures.ElementExtensions){Object.extend(Methods, Element.Methods);
Object.extend(Methods, Element.Methods.Simulated);}}});
extend.refresh();
return extend;})();
Element.hasAttribute=function(element, attribute){if(element.hasAttribute) return element.hasAttribute(attribute);
return Element.Methods.Simulated.hasAttribute(element, attribute);};
Element.addMethods=function(methods){var F=Prototype.BrowserFeatures, T=Element.Methods.ByTag;
if(!methods){Object.extend(Form, Form.Methods);
Object.extend(Form.Element, Form.Element.Methods);
Object.extend(Element.Methods.ByTag,{"FORM": Object.clone(Form.Methods),"INPUT": Object.clone(Form.Element.Methods),"SELECT": Object.clone(Form.Element.Methods),"TEXTAREA": Object.clone(Form.Element.Methods)});}
if(arguments.length==2){var tagName=methods;
methods=arguments[1];}
if(!tagName) Object.extend(Element.Methods, methods ||{});
else{if(Object.isArray(tagName)) tagName.each(extend);
else extend(tagName);}
function extend(tagName){tagName=tagName.toUpperCase();
if(!Element.Methods.ByTag[tagName])
Element.Methods.ByTag[tagName] ={};
Object.extend(Element.Methods.ByTag[tagName], methods);}
function copy(methods, destination, onlyIfAbsent){onlyIfAbsent=onlyIfAbsent||false;
for(var property in methods){var value=methods[property];
if(!Object.isFunction(value)) continue;
if(!onlyIfAbsent||!(property in destination))
destination[property]=value.methodize();}}
function findDOMClass(tagName){var klass;
var trans ={"OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph","FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList","DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading","H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote","INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
"TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
"TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
"TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
"FrameSet", "IFRAME": "IFrame"};
if(trans[tagName]) klass='HTML'+trans[tagName]+'Element';
if(window[klass]) return window[klass];
klass='HTML'+tagName+'Element';
if(window[klass]) return window[klass];
klass='HTML'+tagName.capitalize()+'Element';
if(window[klass]) return window[klass];
window[klass] ={};
window[klass].prototype=document.createElement(tagName).__proto__;
return window[klass];}
if(F.ElementExtensions){copy(Element.Methods, HTMLElement.prototype);
copy(Element.Methods.Simulated, HTMLElement.prototype, true);}
if(F.SpecificElementExtensions){for(var tag in Element.Methods.ByTag){var klass=findDOMClass(tag);
if(Object.isUndefined(klass)) continue;
copy(T[tag], klass.prototype);}}
Object.extend(Element, Element.Methods);
delete Element.ByTag;
if(Element.extend.refresh) Element.extend.refresh();
Element.cache ={};};
document.viewport ={getDimensions: function(){var dimensions ={};
var B=Prototype.Browser;
$w('width height').each(function(d){var D=d.capitalize();
dimensions[d] =(B.WebKit && !document.evaluate)?self['inner'+D] :
(B.Opera)?document.body['client'+D]:document.documentElement['client'+D];});
return dimensions;},getWidth: function(){return this.getDimensions().width;},getHeight: function(){return this.getDimensions().height;},getScrollOffsets: function(){return Element._returnOffset(
window.pageXOffset||document.documentElement.scrollLeft||document.body.scrollLeft,window.pageYOffset||document.documentElement.scrollTop||document.body.scrollTop);}};
var Selector=Class.create({initialize: function(expression){this.expression=expression.strip();
this.compileMatcher();},shouldUseXPath: function(){if(!Prototype.BrowserFeatures.XPath) return false;
var e=this.expression;
if(Prototype.Browser.WebKit &&(e.include("-of-type")||e.include(":empty")))
return false;
if((/(\[[\w-]*?:|:checked)/).test(this.expression))
return false;
return true;},compileMatcher: function(){if(this.shouldUseXPath())
return this.compileXPathMatcher();
var e=this.expression, ps=Selector.patterns, h=Selector.handlers,c=Selector.criteria, le, p, m;
if(Selector._cache[e]){this.matcher=Selector._cache[e];
return;}
this.matcher =["this.matcher=function(root){","var r=root, h=Selector.handlers, c=false, n;"];
while(e && le!=e &&(/\S/).test(e)){le=e;
for(var i in ps){p=ps[i];
if(m=e.match(p)){this.matcher.push(Object.isFunction(c[i])?c[i](m) :
	 new Template(c[i]).evaluate(m));
e=e.replace(m[0], '');
break;}}}
this.matcher.push("return h.unique(n);\n}");
eval(this.matcher.join('\n'));
Selector._cache[this.expression]=this.matcher;},compileXPathMatcher: function(){var e=this.expression, ps=Selector.patterns,x=Selector.xpath, le, m;
if(Selector._cache[e]){this.xpath=Selector._cache[e]; return;}
this.matcher =['.//*'];
while(e && le!=e &&(/\S/).test(e)){le=e;
for(var i in ps){if(m=e.match(ps[i])){this.matcher.push(Object.isFunction(x[i])?x[i](m) :
new Template(x[i]).evaluate(m));
e=e.replace(m[0], '');
break;}}}
this.xpath=this.matcher.join('');
Selector._cache[this.expression]=this.xpath;},findElements: function(root){root=root||document;
if(this.xpath) return document._getElementsByXPath(this.xpath, root);
return this.matcher(root);},match: function(element){this.tokens =[];
var e=this.expression, ps=Selector.patterns, as=Selector.assertions;
var le, p, m;
while(e && le !== e &&(/\S/).test(e)){le=e;
for(var i in ps){p=ps[i];
if(m=e.match(p)){
if(as[i]){this.tokens.push([i, Object.clone(m)]);
e=e.replace(m[0], '');} else{// reluctantly do a document-wide search
return this.findElements(document).include(element);}}}}
var match=true, name, matches;
for(var i=0, token; token=this.tokens[i]; i++){name=token[0], matches=token[1];
if(!Selector.assertions[name](element, matches)){match=false; break;}}
return match;},toString: function(){return this.expression;},inspect: function(){return "#<Selector:"+this.expression.inspect()+">";}});
Object.extend(Selector,{_cache:{},xpath:{descendant: "//*",child: "/*",adjacent: "/following-sibling::*[1]",laterSibling: '/following-sibling::*',tagName: function(m){if(m[1]=='*') return '';
return "[local-name()='"+m[1].toLowerCase() +"' or local-name()='"+m[1].toUpperCase()+"']";},className: "[contains(concat(' ', @class, ' '), ' #{1} ')]",id: "[@id='#{1}']",attrPresence: function(m){m[1]=m[1].toLowerCase();
return new Template("[@#{1}]").evaluate(m);},attr: function(m){m[1]=m[1].toLowerCase();
m[3]=m[5]||m[6];
return new Template(Selector.xpath.operators[m[2]]).evaluate(m);},pseudo: function(m){var h=Selector.xpath.pseudos[m[1]];
if(!h) return '';
if(Object.isFunction(h)) return h(m);
return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);},operators:{'=': "[@#{1}='#{3}']",'!=': "[@#{1}!='#{3}']",'^=': "[starts-with(@#{1}, '#{3}')]",'$=': "[substring(@#{1},(string-length(@#{1})-string-length('#{3}')+1))='#{3}']",'*=': "[contains(@#{1}, '#{3}')]",'~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",'|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]"},pseudos:{'first-child': '[not(preceding-sibling::*)]','last-child': '[not(following-sibling::*)]','only-child': '[not(preceding-sibling::* or following-sibling::*)]','empty': "[count(*)=0 and(count(text())=0 or translate(text(), ' \t\r\n', '')='')]",'checked': "[@checked]",'disabled': "[@disabled]",'enabled': "[not(@disabled)]",'not': function(m){var e=m[6], p=Selector.patterns,x=Selector.xpath, le, v;
var exclusion =[];
while(e && le!=e &&(/\S/).test(e)){le=e;
for(var i in p){if(m=e.match(p[i])){v=Object.isFunction(x[i])?x[i](m):new Template(x[i]).evaluate(m);
exclusion.push("("+v.substring(1, v.length-1)+")");
e=e.replace(m[0], '');
break;}}}
return "[not("+exclusion.join(" and ")+")]";},'nth-child': function(m){return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*)+1) ", m);},'nth-last-child': function(m){return Selector.xpath.pseudos.nth("(count(./following-sibling::*)+1) ", m);},'nth-of-type': function(m){return Selector.xpath.pseudos.nth("position() ", m);},'nth-last-of-type': function(m){return Selector.xpath.pseudos.nth("(last()+1-position()) ", m);},'first-of-type': function(m){m[6]="1"; return Selector.xpath.pseudos['nth-of-type'](m);},'last-of-type': function(m){m[6]="1"; return Selector.xpath.pseudos['nth-last-of-type'](m);},'only-of-type': function(m){var p=Selector.xpath.pseudos; return p['first-of-type'](m)+p['last-of-type'](m);},nth: function(fragment, m){var mm, formula=m[6], predicate;
if(formula=='even') formula='2n+0';
if(formula=='odd') formula='2n+1';
if(mm=formula.match(/^(\d+)$/)) 
return '['+fragment+"= "+mm[1]+']';
if(mm=formula.match(/^(-?\d*)?n(([+-])(\d+))?/)){// an+b
if(mm[1]=="-") mm[1]=-1;
var a=mm[1]?Number(mm[1]):1;
var b=mm[2]?Number(mm[2]):0;
predicate="[((#{fragment}-#{b}) mod #{a}=0) and " +"((#{fragment}-#{b}) div #{a} >= 0)]";
return new Template(predicate).evaluate({fragment: fragment, a: a, b: b});}}}},criteria:{tagName: 'n=h.tagName(n, r, "#{1}", c); c=false;',className: 'n=h.className(n, r, "#{1}", c); c=false;',id: 'n=h.id(n, r, "#{1}", c); c=false;',attrPresence: 'n=h.attrPresence(n, r, "#{1}", c); c=false;',attr: function(m){m[3] =(m[5]||m[6]);
return new Template('n=h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c=false;').evaluate(m);},pseudo: function(m){if(m[6]) m[6]=m[6].replace(/"/g, '\\"');
return new Template('n=h.pseudo(n, "#{1}", "#{6}", r, c); c=false;').evaluate(m);},descendant: 'c="descendant";',child: 'c="child";',adjacent: 'c="adjacent";',laterSibling: 'c="laterSibling";'},patterns:{
laterSibling: /^\s*~\s*/,child: /^\s*>\s*/,adjacent: /^\s*\+\s*/,descendant: /^\s/,
tagName: /^\s*(\*|[\w\-]+)(\b|$)?/,id: /^#([\w\-\*]+)(\b|$)/,className: /^\.([\w\-\*]+)(\b|$)/,pseudo:
/^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/,attrPresence: /^\[([\w]+)\]/,attr: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/},// for Selector.match and Element#match
assertions:{tagName: function(element, matches){return matches[1].toUpperCase()==element.tagName.toUpperCase();},className: function(element, matches){return Element.hasClassName(element, matches[1]);},id: function(element, matches){return element.id===matches[1];},attrPresence: function(element, matches){return Element.hasAttribute(element, matches[1]);},attr: function(element, matches){var nodeValue=Element.readAttribute(element, matches[1]);
return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5]||matches[6]);}},handlers:{
concat: function(a, b){for(var i=0, node; node=b[i]; i++)
a.push(node);
return a;},
mark: function(nodes){var _true=Prototype.emptyFunction;
for(var i=0, node; node=nodes[i]; i++)
node._countedByPrototype=_true;
return nodes;},unmark: function(nodes){for(var i=0, node; node=nodes[i]; i++)
node._countedByPrototype=undefined;
return nodes;},
// "ofType" flag indicates whether we're indexing for nth-of-type
// rather than nth-child
index: function(parentNode, reverse, ofType){parentNode._countedByPrototype=Prototype.emptyFunction;
if(reverse){for(var nodes=parentNode.childNodes, i=nodes.length-1, j=1; i >= 0; i--){var node=nodes[i];
if(node.nodeType==1 &&(!ofType||node._countedByPrototype)) node.nodeIndex=j++;}} else{for(var i=0, j=1, nodes=parentNode.childNodes; node=nodes[i]; i++)
if(node.nodeType==1 &&(!ofType||node._countedByPrototype)) node.nodeIndex=j++;}},
unique: function(nodes){if(nodes.length==0) return nodes;
var results =[], n;
for(var i=0, l=nodes.length; i<l; i++)
if(!(n=nodes[i])._countedByPrototype){n._countedByPrototype=Prototype.emptyFunction;
results.push(Element.extend(n));}
return Selector.handlers.unmark(results);},
descendant: function(nodes){var h=Selector.handlers;
for(var i=0, results =[], node; node=nodes[i]; i++)
h.concat(results, node.getElementsByTagName('*'));
return results;},child: function(nodes){var h=Selector.handlers;
for(var i=0, results =[], node; node=nodes[i]; i++){for(var j=0, child; child=node.childNodes[j]; j++)
if(child.nodeType==1 && child.tagName!='!') results.push(child);}
return results;},adjacent: function(nodes){for(var i=0, results =[], node; node=nodes[i]; i++){var next=this.nextElementSibling(node);
if(next) results.push(next);}
return results;},laterSibling: function(nodes){var h=Selector.handlers;
for(var i=0, results =[], node; node=nodes[i]; i++)
h.concat(results, Element.nextSiblings(node));
return results;},nextElementSibling: function(node){while(node=node.nextSibling)
	 if(node.nodeType==1) return node;
return null;},previousElementSibling: function(node){while(node=node.previousSibling)
if(node.nodeType==1) return node;
return null;},
tagName: function(nodes, root, tagName, combinator){var uTagName=tagName.toUpperCase();
var results =[], h=Selector.handlers;
if(nodes){if(combinator){
if(combinator=="descendant"){for(var i=0, node; node=nodes[i]; i++)
h.concat(results, node.getElementsByTagName(tagName));
return results;} else nodes=this[combinator](nodes);
if(tagName=="*") return nodes;}
for(var i=0, node; node=nodes[i]; i++)
if(node.tagName.toUpperCase()===uTagName) results.push(node);
return results;} else return root.getElementsByTagName(tagName);},id: function(nodes, root, id, combinator){var targetNode=$(id), h=Selector.handlers;
if(!targetNode) return[];
if(!nodes && root==document) return[targetNode];
if(nodes){if(combinator){if(combinator=='child'){for(var i=0, node; node=nodes[i]; i++)
if(targetNode.parentNode==node) return[targetNode];} else if(combinator=='descendant'){for(var i=0, node; node=nodes[i]; i++)
if(Element.descendantOf(targetNode, node)) return[targetNode];} else if(combinator=='adjacent'){for(var i=0, node; node=nodes[i]; i++)
if(Selector.handlers.previousElementSibling(targetNode)==node)
return[targetNode];} else nodes=h[combinator](nodes);}
for(var i=0, node; node=nodes[i]; i++)
if(node==targetNode) return[targetNode];
return[];}
return(targetNode && Element.descendantOf(targetNode, root)) ?[targetNode] :[];},className: function(nodes, root, className, combinator){if(nodes && combinator) nodes=this[combinator](nodes);
return Selector.handlers.byClassName(nodes, root, className);},byClassName: function(nodes, root, className){if(!nodes) nodes=Selector.handlers.descendant([root]);
var needle=' '+className+' ';
for(var i=0, results =[], node, nodeClassName; node=nodes[i]; i++){nodeClassName=node.className;
if(nodeClassName.length==0) continue;
if(nodeClassName==className ||(' '+nodeClassName+' ').include(needle))
results.push(node);}
return results;},attrPresence: function(nodes, root, attr, combinator){if(!nodes) nodes=root.getElementsByTagName("*");
if(nodes && combinator) nodes=this[combinator](nodes);
var results =[];
for(var i=0, node; node=nodes[i]; i++)
if(Element.hasAttribute(node, attr)) results.push(node);
return results;},attr: function(nodes, root, attr, value, operator, combinator){if(!nodes) nodes=root.getElementsByTagName("*");
if(nodes && combinator) nodes=this[combinator](nodes);
var handler=Selector.operators[operator], results =[];
for(var i=0, node; node=nodes[i]; i++){var nodeValue=Element.readAttribute(node, attr);
if(nodeValue===null) continue;
if(handler(nodeValue, value)) results.push(node);}
return results;},pseudo: function(nodes, name, value, root, combinator){if(nodes && combinator) nodes=this[combinator](nodes);
if(!nodes) nodes=root.getElementsByTagName("*");
return Selector.pseudos[name](nodes, value, root);}},pseudos:{'first-child': function(nodes, value, root){for(var i=0, results =[], node; node=nodes[i]; i++){if(Selector.handlers.previousElementSibling(node)) continue;
results.push(node);}
return results;},'last-child': function(nodes, value, root){for(var i=0, results =[], node; node=nodes[i]; i++){if(Selector.handlers.nextElementSibling(node)) continue;
results.push(node);}
return results;},'only-child': function(nodes, value, root){var h=Selector.handlers;
for(var i=0, results =[], node; node=nodes[i]; i++)
if(!h.previousElementSibling(node) && !h.nextElementSibling(node))
results.push(node);
return results;},'nth-child': function(nodes, formula, root){return Selector.pseudos.nth(nodes, formula, root);},'nth-last-child': function(nodes, formula, root){return Selector.pseudos.nth(nodes, formula, root, true);},'nth-of-type': function(nodes, formula, root){return Selector.pseudos.nth(nodes, formula, root, false, true);},'nth-last-of-type': function(nodes, formula, root){return Selector.pseudos.nth(nodes, formula, root, true, true);},'first-of-type': function(nodes, formula, root){return Selector.pseudos.nth(nodes, "1", root, false, true);},'last-of-type': function(nodes, formula, root){return Selector.pseudos.nth(nodes, "1", root, true, true);},'only-of-type': function(nodes, formula, root){var p=Selector.pseudos;
return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);},// handles the an+b logic
getIndices: function(a, b, total){if(a==0) return b > 0 ?[b] :[];
return $R(1, total).inject([], function(memo, i){if(0 ==(i-b) % a &&(i-b) / a >= 0) memo.push(i);
return memo;});},// handles nth(-last)-child, nth(-last)-of-type, and(first|last)-of-type
nth: function(nodes, formula, root, reverse, ofType){if(nodes.length==0) return[];
if(formula=='even') formula='2n+0';
if(formula=='odd') formula='2n+1';
var h=Selector.handlers, results =[], indexed =[], m;
h.mark(nodes);
for(var i=0, node; node=nodes[i]; i++){if(!node.parentNode._countedByPrototype){h.index(node.parentNode, reverse, ofType);
indexed.push(node.parentNode);}}
if(formula.match(/^\d+$/)){
formula=Number(formula);
for(var i=0, node; node=nodes[i]; i++)
if(node.nodeIndex==formula) results.push(node);} else if(m=formula.match(/^(-?\d*)?n(([+-])(\d+))?/)){// an+b
if(m[1]=="-") m[1]=-1;
var a=m[1]?Number(m[1]):1;
var b=m[2]?Number(m[2]):0;
var indices=Selector.pseudos.getIndices(a, b, nodes.length);
for(var i=0, node, l=indices.length; node=nodes[i]; i++){for(var j=0; j<l; j++)
if(node.nodeIndex==indices[j]) results.push(node);}}
h.unmark(nodes);
h.unmark(indexed);
return results;},'empty': function(nodes, value, root){for(var i=0, results =[], node; node=nodes[i]; i++){
if(node.tagName=='!' ||(node.firstChild && !node.innerHTML.match(/^\s*$/))) continue;
results.push(node);}
return results;},'not': function(nodes, selector, root){var h=Selector.handlers, selectorType, m;
var exclusions=new Selector(selector).findElements(root);
h.mark(exclusions);
for(var i=0, results =[], node; node=nodes[i]; i++)
if(!node._countedByPrototype) results.push(node);
h.unmark(exclusions);
return results;},'enabled': function(nodes, value, root){for(var i=0, results =[], node; node=nodes[i]; i++)
if(!node.disabled) results.push(node);
return results;},'disabled': function(nodes, value, root){for(var i=0, results =[], node; node=nodes[i]; i++)
if(node.disabled) results.push(node);
return results;},'checked': function(nodes, value, root){for(var i=0, results =[], node; node=nodes[i]; i++)
if(node.checked) results.push(node);
return results;}},operators:{'=': function(nv, v){return nv==v;},'!=': function(nv, v){return nv!=v;},'^=': function(nv, v){return nv.startsWith(v);},'$=': function(nv, v){return nv.endsWith(v);},'*=': function(nv, v){return nv.include(v);},'~=': function(nv, v){return(' '+nv+' ').include(' '+v+' ');},'|=': function(nv, v){return('-'+nv.toUpperCase()+'-').include('-'+v.toUpperCase()+'-');}},split: function(expression){var expressions =[];
expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m){expressions.push(m[1].strip());});
return expressions;},matchElements: function(elements, expression){var matches=$$(expression), h=Selector.handlers;
h.mark(matches);
for(var i=0, results =[], element; element=elements[i]; i++)
if(element._countedByPrototype) results.push(element);
h.unmark(matches);
return results;},findElement: function(elements, expression, index){if(Object.isNumber(expression)){index=expression; expression=false;}
return Selector.matchElements(elements, expression||'*')[index||0];},findChildElements: function(element, expressions){expressions=Selector.split(expressions.join(','));
var results =[], h=Selector.handlers;
for(var i=0, l=expressions.length, selector; i<l; i++){selector=new Selector(expressions[i].strip());
h.concat(results, selector.findElements(element));}
return(l > 1)?h.unique(results):results;}});
if(Prototype.Browser.IE){Object.extend(Selector.handlers,{// IE returns comment nodes on getElementsByTagName("*").
concat: function(a, b){for(var i=0, node; node=b[i]; i++)
if(node.tagName !== "!") a.push(node);
return a;},// IE improperly serializes _countedByPrototype in(inner|outer)HTML.
unmark: function(nodes){for(var i=0, node; node=nodes[i]; i++)
node.removeAttribute('_countedByPrototype');
return nodes;}});}
function $$(){return Selector.findChildElements(document, $A(arguments));}
var Form ={reset: function(form){$(form).reset();
return form;},serializeElements: function(elements, options){if(typeof options!='object') options ={hash: !!options};
else if(Object.isUndefined(options.hash)) options.hash=true;
var key, value, submitted=false, submit=options.submit;
var data=elements.inject({}, function(result, element){if(!element.disabled && element.name){key=element.name; value=$(element).getValue();
if(value!=null &&(element.type!='submit' ||(!submitted &&submit !== false &&(!submit||key==submit) &&(submitted=true)))){if(key in result){
if(!Object.isArray(result[key])) result[key] =[result[key]];
result[key].push(value);}
else result[key]=value;}}
return result;});
return options.hash?data:Object.toQueryString(data);}};
Form.Methods ={serialize: function(form, options){return Form.serializeElements(Form.getElements(form), options);},getElements: function(form){return $A($(form).getElementsByTagName('*')).inject([],function(elements, child){if(Form.Element.Serializers[child.tagName.toLowerCase()])
elements.push(Element.extend(child));
return elements;}
);},getInputs: function(form, typeName, name){form=$(form);
var inputs=form.getElementsByTagName('input');
if(!typeName && !name) return $A(inputs).map(Element.extend);
for(var i=0, matchingInputs =[], length=inputs.length; i<length; i++){var input=inputs[i];
if((typeName && input.type!=typeName) ||(name && input.name!=name))
continue;
matchingInputs.push(Element.extend(input));}
return matchingInputs;},disable: function(form){form=$(form);
Form.getElements(form).invoke('disable');
return form;},enable: function(form){form=$(form);
Form.getElements(form).invoke('enable');
return form;},findFirstElement: function(form){var elements=$(form).getElements().findAll(function(element){return 'hidden'!=element.type && !element.disabled;});
var firstByIndex=elements.findAll(function(element){return element.hasAttribute('tabIndex') && element.tabIndex >= 0;}).sortBy(function(element){return element.tabIndex}).first();
return firstByIndex?firstByIndex:elements.find(function(element){return['input', 'select', 'textarea'].include(element.tagName.toLowerCase());});},focusFirstElement: function(form){form=$(form);
form.findFirstElement().activate();
return form;},request: function(form, options){form=$(form), options=Object.clone(options ||{});
var params=options.parameters, action=form.readAttribute('action')||'';
if(action.blank()) action=window.location.href;
options.parameters=form.serialize(true);
if(params){if(Object.isString(params)) params=params.toQueryParams();
Object.extend(options.parameters, params);}
if(form.hasAttribute('method') && !options.method)
options.method=form.method;
return new Ajax.Request(action, options);}};
/*--------------------------------------------------------------------------*/
Form.Element ={focus: function(element){$(element).focus();
return element;},select: function(element){$(element).select();
return element;}};
Form.Element.Methods ={serialize: function(element){element=$(element);
if(!element.disabled && element.name){var value=element.getValue();
if(value!=undefined){var pair ={};
pair[element.name]=value;
return Object.toQueryString(pair);}}
return '';},getValue: function(element){element=$(element);
var method=element.tagName.toLowerCase();
return Form.Element.Serializers[method](element);},setValue: function(element, value){element=$(element);
var method=element.tagName.toLowerCase();
Form.Element.Serializers[method](element, value);
return element;},clear: function(element){$(element).value='';
return element;},present: function(element){return $(element).value!='';},activate: function(element){element=$(element);
try{element.focus();
if(element.select &&(element.tagName.toLowerCase()!='input' ||!['button', 'reset', 'submit'].include(element.type)))
element.select();} catch(e){}
return element;},disable: function(element){element=$(element);
element.blur();
element.disabled=true;
return element;},enable: function(element){element=$(element);
element.disabled=false;
return element;}};
/*--------------------------------------------------------------------------*/
var Field=Form.Element;
var $F=Form.Element.Methods.getValue;
/*--------------------------------------------------------------------------*/
Form.Element.Serializers ={input: function(element, value){switch(element.type.toLowerCase()){case 'checkbox':
case 'radio':
return Form.Element.Serializers.inputSelector(element, value);
default:
return Form.Element.Serializers.textarea(element, value);}},inputSelector: function(element, value){if(Object.isUndefined(value)) return element.checked?element.value:null;
else element.checked=!!value;},textarea: function(element, value){if(Object.isUndefined(value)) return element.value;
else element.value=value;},select: function(element, index){if(Object.isUndefined(index))
return this[element.type=='select-one'?'selectOne':'selectMany'](element);
else{var opt, value, single=!Object.isArray(index);
for(var i=0, length=element.length; i<length; i++){opt=element.options[i];
value=this.optionValue(opt);
if(single){if(value==index){opt.selected=true;
return;}}
else opt.selected=index.include(value);}}},selectOne: function(element){var index=element.selectedIndex;
return index >= 0?this.optionValue(element.options[index]):null;},selectMany: function(element){var values, length=element.length;
if(!length) return null;
for(var i=0, values =[]; i<length; i++){var opt=element.options[i];
if(opt.selected) values.push(this.optionValue(opt));}
return values;},optionValue: function(opt){
return Element.extend(opt).hasAttribute('value')?opt.value:opt.text;}};
/*--------------------------------------------------------------------------*/
Abstract.TimedObserver=Class.create(PeriodicalExecuter,{initialize: function($super, element, frequency, callback){$super(callback, frequency);
this.element=$(element);
this.lastValue=this.getValue();},execute: function(){var value=this.getValue();
if(Object.isString(this.lastValue) && Object.isString(value) ?
this.lastValue!=value:String(this.lastValue)!=String(value)){this.callback(this.element, value);
this.lastValue=value;}}});
Form.Element.Observer=Class.create(Abstract.TimedObserver,{getValue: function(){return Form.Element.getValue(this.element);}});
Form.Observer=Class.create(Abstract.TimedObserver,{getValue: function(){return Form.serialize(this.element);}});
/*--------------------------------------------------------------------------*/
Abstract.EventObserver=Class.create({initialize: function(element, callback){this.element=$(element);
this.callback=callback;
this.lastValue=this.getValue();
if(this.element.tagName.toLowerCase()=='form')
this.registerFormCallbacks();
else
this.registerCallback(this.element);},onElementEvent: function(){var value=this.getValue();
if(this.lastValue!=value){this.callback(this.element, value);
this.lastValue=value;}},registerFormCallbacks: function(){Form.getElements(this.element).each(this.registerCallback, this);},registerCallback: function(element){if(element.type){switch(element.type.toLowerCase()){case 'checkbox':
case 'radio':
Event.observe(element, 'click', this.onElementEvent.bind(this));
break;
default:
Event.observe(element, 'change', this.onElementEvent.bind(this));
break;}}}});
Form.Element.EventObserver=Class.create(Abstract.EventObserver,{getValue: function(){return Form.Element.getValue(this.element);}});
Form.EventObserver=Class.create(Abstract.EventObserver,{getValue: function(){return Form.serialize(this.element);}});
if(!window.Event) var Event ={};
Object.extend(Event,{KEY_BACKSPACE: 8,KEY_TAB: 9,KEY_RETURN: 13,KEY_ESC: 27,KEY_LEFT: 37,KEY_UP: 38,KEY_RIGHT: 39,KEY_DOWN: 40,KEY_DELETE: 46,KEY_HOME: 36,KEY_END: 35,KEY_PAGEUP: 33,KEY_PAGEDOWN: 34,KEY_INSERT: 45,cache:{},relatedTarget: function(event){var element;
switch(event.type){case 'mouseover': element=event.fromElement; break;
case 'mouseout': element=event.toElement; break;
default: return null;}
return Element.extend(element);}});
Event.Methods =(function(){var isButton;
if(Prototype.Browser.IE){var buttonMap ={0: 1, 1: 4, 2: 2};
isButton=function(event, code){return event.button==buttonMap[code];};} else if(Prototype.Browser.WebKit){isButton=function(event, code){switch(code){case 0: return event.which==1 && !event.metaKey;
case 1: return event.which==1 && event.metaKey;
default: return false;}};} else{isButton=function(event, code){return event.which ?(event.which===code+1) :(event.button===code);};}
return{isLeftClick: function(event){return isButton(event, 0)},isMiddleClick: function(event){return isButton(event, 1)},isRightClick: function(event){return isButton(event, 2)},element: function(event){var node=Event.extend(event).target;
return Element.extend(node.nodeType==Node.TEXT_NODE?node.parentNode:node);},findElement: function(event, expression){var element=Event.element(event);
if(!expression) return element;
var elements =[element].concat(element.ancestors());
return Selector.findElement(elements, expression, 0);},pointer: function(event){return{x: event.pageX ||(event.clientX +(document.documentElement.scrollLeft||document.body.scrollLeft)),y: event.pageY ||(event.clientY +(document.documentElement.scrollTop||document.body.scrollTop))};},pointerX: function(event){return Event.pointer(event).x},pointerY: function(event){return Event.pointer(event).y},stop: function(event){Event.extend(event);
event.preventDefault();
event.stopPropagation();
event.stopped=true;}};})();
Event.extend =(function(){var methods=Object.keys(Event.Methods).inject({}, function(m, name){m[name]=Event.Methods[name].methodize();
return m;});
if(Prototype.Browser.IE){Object.extend(methods,{stopPropagation: function(){this.cancelBubble=true},preventDefault: function(){this.returnValue=false},inspect: function(){return "[object Event]"}});
return function(event){if(!event) return false;
if(event._extendedByPrototype) return event;
event._extendedByPrototype=Prototype.emptyFunction;
var pointer=Event.pointer(event);
Object.extend(event,{target: event.srcElement,relatedTarget: Event.relatedTarget(event),pageX: pointer.x,pageY: pointer.y});
return Object.extend(event, methods);};} else{Event.prototype=Event.prototype||document.createEvent("HTMLEvents").__proto__;
Object.extend(Event.prototype, methods);
return Prototype.K;}})();
Object.extend(Event,(function(){var cache=Event.cache;
function getEventID(element){if(element._prototypeEventID) return element._prototypeEventID[0];
arguments.callee.id=arguments.callee.id||1;
return element._prototypeEventID =[++arguments.callee.id];}
function getDOMEventName(eventName){if(eventName && eventName.include(':')) return "dataavailable";
return eventName;}
function getCacheForID(id){return cache[id]=cache[id] ||{};}
function getWrappersForEventName(id, eventName){var c=getCacheForID(id);
return c[eventName]=c[eventName] ||[];}
function createWrapper(element, eventName, handler){var id=getEventID(element);
var c=getWrappersForEventName(id, eventName);
if(c.pluck("handler").include(handler)) return false;
var wrapper=function(event){if(!Event||!Event.extend ||(event.eventName && event.eventName!=eventName))
return false;
Event.extend(event);
handler.call(element, event);};
wrapper.handler=handler;
c.push(wrapper);
return wrapper;}
function findWrapper(id, eventName, handler){var c=getWrappersForEventName(id, eventName);
return c.find(function(wrapper){return wrapper.handler==handler});}
function destroyWrapper(id, eventName, handler){var c=getCacheForID(id);
if(!c[eventName]) return false;
c[eventName]=c[eventName].without(findWrapper(id, eventName, handler));}
function destroyCache(){for(var id in cache)
for(var eventName in cache[id])
cache[id][eventName]=null;}
if(window.attachEvent){window.attachEvent("onunload", destroyCache);}
return{observe: function(element, eventName, handler){element=$(element);
var name=getDOMEventName(eventName);
var wrapper=createWrapper(element, eventName, handler);
if(!wrapper) return element;
if(element.addEventListener){element.addEventListener(name, wrapper, false);} else{element.attachEvent("on"+name, wrapper);}
return element;},stopObserving: function(element, eventName, handler){element=$(element);
var id=getEventID(element), name=getDOMEventName(eventName);
if(!handler && eventName){getWrappersForEventName(id, eventName).each(function(wrapper){element.stopObserving(eventName, wrapper.handler);});
return element;} else if(!eventName){Object.keys(getCacheForID(id)).each(function(eventName){element.stopObserving(eventName);});
return element;}
var wrapper=findWrapper(id, eventName, handler);
if(!wrapper) return element;
if(element.removeEventListener){element.removeEventListener(name, wrapper, false);} else{element.detachEvent("on"+name, wrapper);}
destroyWrapper(id, eventName, handler);
return element;},fire: function(element, eventName, memo){element=$(element);
if(element==document && document.createEvent && !element.dispatchEvent)
element=document.documentElement;
var event;
if(document.createEvent){event=document.createEvent("HTMLEvents");
event.initEvent("dataavailable", true, true);} else{event=document.createEventObject();
event.eventType="ondataavailable";}
event.eventName=eventName;
event.memo=memo ||{};
if(document.createEvent){element.dispatchEvent(event);} else{element.fireEvent(event.eventType, event);}
return Event.extend(event);}};})());
Object.extend(Event, Event.Methods);
Element.addMethods({fire: Event.fire,observe: Event.observe,stopObserving: Event.stopObserving});
Object.extend(document,{fire: Element.Methods.fire.methodize(),observe: Element.Methods.observe.methodize(),stopObserving: Element.Methods.stopObserving.methodize(),loaded: false});
(function(){
var timer;
function fireContentLoadedEvent(){if(document.loaded) return;
if(timer) window.clearInterval(timer);
document.fire("dom:loaded");
document.loaded=true;}
if(document.addEventListener){if(Prototype.Browser.WebKit){timer=window.setInterval(function(){if(/loaded|complete/.test(document.readyState))
fireContentLoadedEvent();}, 0);
Event.observe(window, "load", fireContentLoadedEvent);} else{document.addEventListener("DOMContentLoaded",fireContentLoadedEvent, false);}} else{document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>");
$("__onDOMContentLoaded").onreadystatechange=function(){if(this.readyState=="complete"){this.onreadystatechange=null;
fireContentLoadedEvent();}};}})();
/*------------------------------- 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);
/*--------------------------------------------------------------------------*/
Element.addMethods();