Vergleich jscripts/prototype.js - 1.6.1 - 1.6.8

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var Prototype={Version:'1.6.1',Browser:(function(){var ua=navigator.userAgent;var isOpera=Object.prototype.toString.call(window.opera)=='[object Opera]';return{IE:!!window.attachEvent&&!isOpera,Opera:isOpera,WebKit:ua.indexOf('AppleWebKit/')>-1,Gecko:ua.indexOf('Gecko')>-1&&ua.indexOf('KHTML')===-1,MobileSafari:/Apple.*Mobile.*Safari/.test(ua)}})(),BrowserFeatures:{XPath:!!document.evaluate,SelectorsAPI:!!document.querySelector,ElementExtensions:(function(){var constructor=window.Element||window.HTMLElement;return!!(constructor&&constructor.prototype);})(),SpecificElementExtensions:(function(){if(typeof window.HTMLDivElement!=='undefined')
return true;var div=document.createElement('div');var form=document.createElement('form');var isSupported=false;if(div['__proto__']&&(div['__proto__']!==form['__proto__'])){isSupported=true;}
div=form=null;return isSupported;})()},ScriptFragment:'<script[^>]*>([\\S\\s]*?)<\/script>',JSONFilter:/^\/\*-secure-([\s\S]*)\*\/\s*$/,emptyFunction:function(){},K:function(x){return x}};if(Prototype.Browser.MobileSafari)
Prototype.BrowserFeatures.SpecificElementExtensions=false;var Abstract={};var Try={these:function(){var returnValue;for(var i=0,length=arguments.length;i<length;i++){var lambda=arguments[i];try{returnValue=lambda();break;}catch(e){}}
return returnValue;}};var Class=(function(){function subclass(){};function create(){var parent=null,properties=$A(arguments);if(Object.isFunction(properties[0]))
parent=properties.shift();function klass(){this.initialize.apply(this,arguments);}
Object.extend(klass,Class.Methods);klass.superclass=parent;klass.subclasses=[];if(parent){subclass.prototype=parent.prototype;klass.prototype=new subclass;parent.subclasses.push(klass);}
for(var i=0;i<properties.length;i++)
klass.addMethods(properties[i]);if(!klass.prototype.initialize)
klass.prototype.initialize=Prototype.emptyFunction;klass.prototype.constructor=klass;return klass;}
function addMethods(source){var ancestor=this.superclass&&this.superclass.prototype;var properties=Object.keys(source);if(!Object.keys({toString:true}).length){if(source.toString!=Object.prototype.toString)
properties.push("toString");if(source.valueOf!=Object.prototype.valueOf)
properties.push("valueOf");}
for(var i=0,length=properties.length;i<length;i++){var property=properties[i],value=source[property];if(ancestor&&Object.isFunction(value)&&value.argumentNames().first()=="$super"){var method=value;value=(function(m){return function(){return ancestor[m].apply(this,arguments);};})(property).wrap(method);value.valueOf=method.valueOf.bind(method);value.toString=method.toString.bind(method);}
this.prototype[property]=value;}
return this;}
return{create:create,Methods:{addMethods:addMethods}};})();(function(){var _toString=Object.prototype.toString;function extend(destination,source){for(var property in source)
destination[property]=source[property];return destination;}
function inspect(object){try{if(isUndefined(object))return'undefined';if(object===null)return'null';return object.inspect?object.inspect():String(object);}catch(e){if(e instanceof RangeError)return'...';throw e;}}
function toJSON(object){var type=typeof object;switch(type){case'undefined':case'function':case'unknown':return;case'boolean':return object.toString();}
if(object===null)return'null';if(object.toJSON)return object.toJSON();if(isElement(object))return;var results=[];for(var property in object){var value=toJSON(object[property]);if(!isUndefined(value))
results.push(property.toJSON()+': '+value);}
return'{'+results.join(', ')+'}';}
function toQueryString(object){return $H(object).toQueryString();}
function toHTML(object){return object&&object.toHTML?object.toHTML():String.interpret(object);}
function keys(object){var results=[];for(var property in object)
results.push(property);return results;}
function values(object){var results=[];for(var property in object)
results.push(object[property]);return results;}
function clone(object){return extend({},object);}
function isElement(object){return!!(object&&object.nodeType==1);}
function isArray(object){return _toString.call(object)=="[object Array]";}
function isHash(object){return object instanceof Hash;}
function isFunction(object){return typeof object==="function";}
function isString(object){return _toString.call(object)=="[object String]";}
function isNumber(object){return _toString.call(object)=="[object Number]";}
function isUndefined(object){return typeof object==="undefined";}
extend(Object,{extend:extend,inspect:inspect,toJSON:toJSON,toQueryString:toQueryString,toHTML:toHTML,keys:keys,values:values,clone:clone,isElement:isElement,isArray:isArray,isHash:isHash,isFunction:isFunction,isString:isString,isNumber:isNumber,isUndefined:isUndefined});})();Object.extend(Function.prototype,(function(){var slice=Array.prototype.slice;function update(array,args){var arrayLength=array.length,length=args.length;while(length--)array[arrayLength+length]=args[length];return array;}
function merge(array,args){array=slice.call(array,0);return update(array,args);}
function argumentNames(){var names=this.toString().match(/^[\s\(]*function[^(]*\(([^)]*)\)/)[1].replace(/\/\/.*?[\r\n]|\/\*(?:.|[\r\n])*?\*\//g,'').replace(/\s+/g,'').split(',');return names.length==1&&!names[0]?[]:names;}
function bind(context){if(arguments.length<2&&Object.isUndefined(arguments[0]))return this;var __method=this,args=slice.call(arguments,1);return function(){var a=merge(args,arguments);return __method.apply(context,a);}}
function bindAsEventListener(context){var __method=this,args=slice.call(arguments,1);return function(event){var a=update([event||window.event],args);return __method.apply(context,a);}}
function curry(){if(!arguments.length)return this;var __method=this,args=slice.call(arguments,0);return function(){var a=merge(args,arguments);return __method.apply(this,a);}}
function delay(timeout){var __method=this,args=slice.call(arguments,1);timeout=timeout*1000
return window.setTimeout(function(){return __method.apply(__method,args);},timeout);}
function defer(){var args=update([0.01],arguments);return this.delay.apply(this,args);}
function wrap(wrapper){var __method=this;return function(){var a=update([__method.bind(this)],arguments);return wrapper.apply(this,a);}}
function methodize(){if(this._methodized)return this._methodized;var __method=this;return this._methodized=function(){var a=update([this],arguments);return __method.apply(null,a);};}
return{argumentNames:argumentNames,bind:bind,bindAsEventListener:bindAsEventListener,curry:curry,delay:delay,defer:defer,wrap:wrap,methodize:methodize}})());Date.prototype.toJSON=function(){return'"'+this.getUTCFullYear()+'-'+
(this.getUTCMonth()+1).toPaddedString(2)+'-'+
this.getUTCDate().toPaddedString(2)+'T'+
this.getUTCHours().toPaddedString(2)+':'+
this.getUTCMinutes().toPaddedString(2)+':'+
this.getUTCSeconds().toPaddedString(2)+'Z"';};RegExp.prototype.match=RegExp.prototype.test;RegExp.escape=function(str){return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g,'\\$1');};var PeriodicalExecuter=Class.create({initialize:function(callback,frequency){this.callback=callback;this.frequency=frequency;this.currentlyExecuting=false;this.registerCallback();},registerCallback:function(){this.timer=setInterval(this.onTimerEvent.bind(this),this.frequency*1000);},execute:function(){this.callback(this);},stop:function(){if(!this.timer)return;clearInterval(this.timer);this.timer=null;},onTimerEvent:function(){if(!this.currentlyExecuting){try{this.currentlyExecuting=true;this.execute();this.currentlyExecuting=false;}catch(e){this.currentlyExecuting=false;throw e;}}}});Object.extend(String,{interpret:function(value){return value==null?'':String(value);},specialChar:{'\b':'\\b','\t':'\\t','\n':'\\n','\f':'\\f','\r':'\\r','\\':'\\\\'}});Object.extend(String.prototype,(function(){function prepareReplacement(replacement){if(Object.isFunction(replacement))return replacement;var template=new Template(replacement);return function(match){return template.evaluate(match)};}
function gsub(pattern,replacement){var result='',source=this,match;replacement=prepareReplacement(replacement);if(Object.isString(pattern))
pattern=RegExp.escape(pattern);if(!(pattern.length||pattern.source)){replacement=replacement('');return replacement+source.split('').join(replacement)+replacement;}
while(source.length>0){if(match=source.match(pattern)){result+=source.slice(0,match.index);result+=String.interpret(replacement(match));source=source.slice(match.index+match[0].length);}else{result+=source,source='';}}
return result;}
function sub(pattern,replacement,count){replacement=prepareReplacement(replacement);count=Object.isUndefined(count)?1:count;return this.gsub(pattern,function(match){if(--count<0)return match[0];return replacement(match);});}
function scan(pattern,iterator){this.gsub(pattern,iterator);return String(this);}
function truncate(length,truncation){length=length||30;truncation=Object.isUndefined(truncation)?'...':truncation;return this.length>length?this.slice(0,length-truncation.length)+truncation:String(this);}
function strip(){return this.replace(/^\s+/,'').replace(/\s+$/,'');}
function stripTags(){return this.replace(/<\w+(\s+("[^"]*"|'[^']*'|[^>])+)?>|<\/\w+>/gi,'');}
function stripScripts(){return this.replace(new RegExp(Prototype.ScriptFragment,'img'),'');}
function extractScripts(){var matchAll=new RegExp(Prototype.ScriptFragment,'img');var matchOne=new RegExp(Prototype.ScriptFragment,'im');return(this.match(matchAll)||[]).map(function(scriptTag){return(scriptTag.match(matchOne)||['',''])[1];});}
function evalScripts(){return this.extractScripts().map(function(script){return eval(script)});}
function escapeHTML(){return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');}
function unescapeHTML(){return this.stripTags().replace(/&lt;/g,'<').replace(/&gt;/g,'>').replace(/&amp;/g,'&');}
function toQueryParams(separator){var match=this.strip().match(/([^?#]*)(#.*)?$/);if(!match)return{};return match[1].split(separator||'&').inject({},function(hash,pair){if((pair=pair.split('='))[0]){var key=decodeURIComponent(pair.shift());var value=pair.length>1?pair.join('='):pair[0];if(value!=undefined)value=decodeURIComponent(value);if(key in hash){if(!Object.isArray(hash[key]))hash[key]=[hash[key]];hash[key].push(value);}
else hash[key]=value;}
return hash;});}
function toArray(){return this.split('');}
function succ(){return this.slice(0,this.length-1)+
String.fromCharCode(this.charCodeAt(this.length-1)+1);}
function times(count){return count<1?'':new Array(count+1).join(this);}
function camelize(){var parts=this.split('-'),len=parts.length;if(len==1)return parts[0];var camelized=this.charAt(0)=='-'?parts[0].charAt(0).toUpperCase()+parts[0].substring(1):parts[0];for(var i=1;i<len;i++)
camelized+=parts[i].charAt(0).toUpperCase()+parts[i].substring(1);return camelized;}
function capitalize(){return this.charAt(0).toUpperCase()+this.substring(1).toLowerCase();}
function underscore(){return this.replace(/::/g,'/').replace(/([A-Z]+)([A-Z][a-z])/g,'$1_$2').replace(/([a-z\d])([A-Z])/g,'$1_$2').replace(/-/g,'_').toLowerCase();}
function dasherize(){return this.replace(/_/g,'-');}
function inspect(useDoubleQuotes){var escapedString=this.replace(/[\x00-\x1f\\]/g,function(character){if(character in String.specialChar){return String.specialChar[character];}
return'\\u00'+character.charCodeAt().toPaddedString(2,16);});if(useDoubleQuotes)return'"'+escapedString.replace(/"/g,'\\"')+'"';return"'"+escapedString.replace(/'/g,'\\\'')+"'";}
function toJSON(){return this.inspect(true);}
function unfilterJSON(filter){return this.replace(filter||Prototype.JSONFilter,'$1');}
function isJSON(){var str=this;if(str.blank())return false;str=this.replace(/\\./g,'@').replace(/"[^"\\\n\r]*"/g,'');return(/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);}
function evalJSON(sanitize){var json=this.unfilterJSON();try{if(!sanitize||json.isJSON())return eval('('+json+')');}catch(e){}
throw new SyntaxError('Badly formed JSON string: '+this.inspect());}
function include(pattern){return this.indexOf(pattern)>-1;}
function startsWith(pattern){return this.indexOf(pattern)===0;}
function endsWith(pattern){var d=this.length-pattern.length;return d>=0&&this.lastIndexOf(pattern)===d;}
function empty(){return this=='';}
function blank(){return/^\s*$/.test(this);}
function interpolate(object,pattern){return new Template(this,pattern).evaluate(object);}
return{gsub:gsub,sub:sub,scan:scan,truncate:truncate,strip:String.prototype.trim?String.prototype.trim:strip,stripTags:stripTags,stripScripts:stripScripts,extractScripts:extractScripts,evalScripts:evalScripts,escapeHTML:escapeHTML,unescapeHTML:unescapeHTML,toQueryParams:toQueryParams,parseQuery:toQueryParams,toArray:toArray,succ:succ,times:times,camelize:camelize,capitalize:capitalize,underscore:underscore,dasherize:dasherize,inspect:inspect,toJSON:toJSON,unfilterJSON:unfilterJSON,isJSON:isJSON,evalJSON:evalJSON,include:include,startsWith:startsWith,endsWith:endsWith,empty:empty,blank:blank,interpolate:interpolate};})());var Template=Class.create({initialize:function(template,pattern){this.template=template.toString();this.pattern=pattern||Template.Pattern;},evaluate:function(object){if(object&&Object.isFunction(object.toTemplateReplacements))
object=object.toTemplateReplacements();return this.template.gsub(this.pattern,function(match){if(object==null)return(match[1]+'');var before=match[1]||'';if(before=='\\')return match[2];var ctx=object,expr=match[3];var pattern=/^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;match=pattern.exec(expr);if(match==null)return before;while(match!=null){var comp=match[1].startsWith('[')?match[2].replace(/\\\\]/g,']'):match[1];ctx=ctx[comp];if(null==ctx||''==match[3])break;expr=expr.substring('['==match[3]?match[1].length:match[0].length);match=pattern.exec(expr);}
return before+String.interpret(ctx);});}});Template.Pattern=/(^|.|\r|\n)(#\{(.*?)\})/;var $break={};var Enumerable=(function(){function each(iterator,context){var index=0;try{this._each(function(value){iterator.call(context,value,index++);});}catch(e){if(e!=$break)throw e;}
return this;}
function eachSlice(number,iterator,context){var index=-number,slices=[],array=this.toArray();if(number<1)return array;while((index+=number)<array.length)
slices.push(array.slice(index,index+number));return slices.collect(iterator,context);}
function all(iterator,context){iterator=iterator||Prototype.K;var result=true;this.each(function(value,index){result=result&&!!iterator.call(context,value,index);if(!result)throw $break;});return result;}
function any(iterator,context){iterator=iterator||Prototype.K;var result=false;this.each(function(value,index){if(result=!!iterator.call(context,value,index))
throw $break;});return result;}
function collect(iterator,context){iterator=iterator||Prototype.K;var results=[];this.each(function(value,index){results.push(iterator.call(context,value,index));});return results;}
function detect(iterator,context){var result;this.each(function(value,index){if(iterator.call(context,value,index)){result=value;throw $break;}});return result;}
function findAll(iterator,context){var results=[];this.each(function(value,index){if(iterator.call(context,value,index))
results.push(value);});return results;}
function grep(filter,iterator,context){iterator=iterator||Prototype.K;var results=[];if(Object.isString(filter))
filter=new RegExp(RegExp.escape(filter));this.each(function(value,index){if(filter.match(value))
results.push(iterator.call(context,value,index));});return results;}
function include(object){if(Object.isFunction(this.indexOf))
if(this.indexOf(object)!=-1)return true;var found=false;this.each(function(value){if(value==object){found=true;throw $break;}});return found;}
function inGroupsOf(number,fillWith){fillWith=Object.isUndefined(fillWith)?null:fillWith;return this.eachSlice(number,function(slice){while(slice.length<number)slice.push(fillWith);return slice;});}
function inject(memo,iterator,context){this.each(function(value,index){memo=iterator.call(context,memo,value,index);});return memo;}
function invoke(method){var args=$A(arguments).slice(1);return this.map(function(value){return value[method].apply(value,args);});}
function max(iterator,context){iterator=iterator||Prototype.K;var result;this.each(function(value,index){value=iterator.call(context,value,index);if(result==null||value>=result)
result=value;});return result;}
function min(iterator,context){iterator=iterator||Prototype.K;var result;this.each(function(value,index){value=iterator.call(context,value,index);if(result==null||value<result)
result=value;});return result;}
function partition(iterator,context){iterator=iterator||Prototype.K;var trues=[],falses=[];this.each(function(value,index){(iterator.call(context,value,index)?trues:falses).push(value);});return[trues,falses];}
function pluck(property){var results=[];this.each(function(value){results.push(value[property]);});return results;}
function reject(iterator,context){var results=[];this.each(function(value,index){if(!iterator.call(context,value,index))
results.push(value);});return results;}
function sortBy(iterator,context){return this.map(function(value,index){return{value:value,criteria:iterator.call(context,value,index)};}).sort(function(left,right){var a=left.criteria,b=right.criteria;return a<b?-1:a>b?1:0;}).pluck('value');}
function toArray(){return this.map();}
function zip(){var iterator=Prototype.K,args=$A(arguments);if(Object.isFunction(args.last()))
iterator=args.pop();var collections=[this].concat(args).map($A);return this.map(function(value,index){return iterator(collections.pluck(index));});}
function size(){return this.toArray().length;}
function inspect(){return'#<Enumerable:'+this.toArray().inspect()+'>';}
return{each:each,eachSlice:eachSlice,all:all,every:all,any:any,some:any,collect:collect,map:collect,detect:detect,findAll:findAll,select:findAll,filter:findAll,grep:grep,include:include,member:include,inGroupsOf:inGroupsOf,inject:inject,invoke:invoke,max:max,min:min,partition:partition,pluck:pluck,reject:reject,sortBy:sortBy,toArray:toArray,entries:toArray,zip:zip,size:size,inspect:inspect,find:detect};})();function $A(iterable){if(!iterable)return[];if('toArray'in Object(iterable))return iterable.toArray();var length=iterable.length||0,results=new Array(length);while(length--)results[length]=iterable[length];return results;}
function $w(string){if(!Object.isString(string))return[];string=string.strip();return string?string.split(/\s+/):[];}
Array.from=$A;(function(){var arrayProto=Array.prototype,slice=arrayProto.slice,_each=arrayProto.forEach;function each(iterator){for(var i=0,length=this.length;i<length;i++)
iterator(this[i]);}
if(!_each)_each=each;function clear(){this.length=0;return this;}
function first(){return this[0];}
function last(){return this[this.length-1];}
function compact(){return this.select(function(value){return value!=null;});}
function flatten(){return this.inject([],function(array,value){if(Object.isArray(value))
return array.concat(value.flatten());array.push(value);return array;});}
function without(){var values=slice.call(arguments,0);return this.select(function(value){return!values.include(value);});}
function reverse(inline){return(inline!==false?this:this.toArray())._reverse();}
function uniq(sorted){return this.inject([],function(array,value,index){if(0==index||(sorted?array.last()!=value:!array.include(value)))
array.push(value);return array;});}
function intersect(array){return this.uniq().findAll(function(item){return array.detect(function(value){return item===value});});}
function clone(){return slice.call(this,0);}
function size(){return this.length;}
function inspect(){return'['+this.map(Object.inspect).join(', ')+']';}
function toJSON(){var results=[];this.each(function(object){var value=Object.toJSON(object);if(!Object.isUndefined(value))results.push(value);});return'['+results.join(', ')+']';}
function indexOf(item,i){i||(i=0);var length=this.length;if(i<0)i=length+i;for(;i<length;i++)
if(this[i]===item)return i;return-1;}
function lastIndexOf(item,i){i=isNaN(i)?this.length:(i<0?this.length+i:i)+1;var n=this.slice(0,i).reverse().indexOf(item);return(n<0)?n:i-n-1;}
function concat(){var array=slice.call(this,0),item;for(var i=0,length=arguments.length;i<length;i++){item=arguments[i];if(Object.isArray(item)&&!('callee'in item)){for(var j=0,arrayLength=item.length;j<arrayLength;j++)
array.push(item[j]);}else{array.push(item);}}
return array;}
Object.extend(arrayProto,Enumerable);if(!arrayProto._reverse)
arrayProto._reverse=arrayProto.reverse;Object.extend(arrayProto,{_each:_each,clear:clear,first:first,last:last,compact:compact,flatten:flatten,without:without,reverse:reverse,uniq:uniq,intersect:intersect,clone:clone,toArray:clone,size:size,inspect:inspect,toJSON:toJSON});var CONCAT_ARGUMENTS_BUGGY=(function(){return[].concat(arguments)[0][0]!==1;})(1,2)
if(CONCAT_ARGUMENTS_BUGGY)arrayProto.concat=concat;if(!arrayProto.indexOf)arrayProto.indexOf=indexOf;if(!arrayProto.lastIndexOf)arrayProto.lastIndexOf=lastIndexOf;})();function $H(object){return new Hash(object);};var Hash=Class.create(Enumerable,(function(){function initialize(object){this._object=Object.isHash(object)?object.toObject():Object.clone(object);}
function _each(iterator){for(var key in this._object){var value=this._object[key],pair=[key,value];pair.key=key;pair.value=value;iterator(pair);}}
function set(key,value){return this._object[key]=value;}
function get(key){if(this._object[key]!==Object.prototype[key])
return this._object[key];}
function unset(key){var value=this._object[key];delete this._object[key];return value;}
function toObject(){return Object.clone(this._object);}
function keys(){return this.pluck('key');}
function values(){return this.pluck('value');}
function index(value){var match=this.detect(function(pair){return pair.value===value;});return match&&match.key;}
function merge(object){return this.clone().update(object);}
function update(object){return new Hash(object).inject(this,function(result,pair){result.set(pair.key,pair.value);return result;});}
function toQueryPair(key,value){if(Object.isUndefined(value))return key;return key+'='+encodeURIComponent(String.interpret(value));}
function toQueryString(){return this.inject([],function(results,pair){var key=encodeURIComponent(pair.key),values=pair.value;if(values&&typeof values=='object'){if(Object.isArray(values))
return results.concat(values.map(toQueryPair.curry(key)));}else results.push(toQueryPair(key,values));return results;}).join('&');}
function inspect(){return'#<Hash:{'+this.map(function(pair){return pair.map(Object.inspect).join(': ');}).join(', ')+'}>';}
function toJSON(){return Object.toJSON(this.toObject());}
function clone(){return new Hash(this);}
return{initialize:initialize,_each:_each,set:set,get:get,unset:unset,toObject:toObject,toTemplateReplacements:toObject,keys:keys,values:values,index:index,merge:merge,update:update,toQueryString:toQueryString,inspect:inspect,toJSON:toJSON,clone:clone};})());Hash.from=$H;Object.extend(Number.prototype,(function(){function toColorPart(){return this.toPaddedString(2,16);}
function succ(){return this+1;}
function times(iterator,context){$R(0,this,true).each(iterator,context);return this;}
function toPaddedString(length,radix){var string=this.toString(radix||10);return'0'.times(length-string.length)+string;}
function toJSON(){return isFinite(this)?this.toString():'null';}
function abs(){return Math.abs(this);}
function round(){return Math.round(this);}
function ceil(){return Math.ceil(this);}
function floor(){return Math.floor(this);}
return{toColorPart:toColorPart,succ:succ,times:times,toPaddedString:toPaddedString,toJSON:toJSON,abs:abs,round:round,ceil:ceil,floor:floor};})());function $R(start,end,exclusive){return new ObjectRange(start,end,exclusive);}
var ObjectRange=Class.create(Enumerable,(function(){function initialize(start,end,exclusive){this.start=start;this.end=end;this.exclusive=exclusive;}
function _each(iterator){var value=this.start;while(this.include(value)){iterator(value);value=value.succ();}}
function include(value){if(value<this.start)
return false;if(this.exclusive)
return value<this.end;return value<=this.end;}
return{initialize:initialize,_each:_each,include:include};})());var Ajax={getTransport:function(){return Try.these(function(){return new XMLHttpRequest()},function(){return new ActiveXObject('Msxml2.XMLHTTP')},function(){return new ActiveXObject('Microsoft.XMLHTTP')})||false;},activeRequestCount:0};Ajax.Responders={responders:[],_each:function(iterator){this.responders._each(iterator);},register:function(responder){if(!this.include(responder))
this.responders.push(responder);},unregister:function(responder){this.responders=this.responders.without(responder);},dispatch:function(callback,request,transport,json){this.each(function(responder){if(Object.isFunction(responder[callback])){try{responder[callback].apply(responder,[request,transport,json]);}catch(e){}}});}};Object.extend(Ajax.Responders,Enumerable);Ajax.Responders.register({onCreate:function(){Ajax.activeRequestCount++},onComplete:function(){Ajax.activeRequestCount--}});Ajax.Base=Class.create({initialize:function(options){this.options={method:'post',asynchronous:true,contentType:'application/x-www-form-urlencoded',encoding:'UTF-8',parameters:'',evalJSON:true,evalJS:true};Object.extend(this.options,options||{});this.options.method=this.options.method.toLowerCase();if(Object.isString(this.options.parameters))
this.options.parameters=this.options.parameters.toQueryParams();else if(Object.isHash(this.options.parameters))
this.options.parameters=this.options.parameters.toObject();}});Ajax.Request=Class.create(Ajax.Base,{_complete:false,initialize:function($super,url,options){$super(options);this.transport=Ajax.getTransport();this.request(url);},request:function(url){this.url=url;this.method=this.options.method;var params=Object.clone(this.options.parameters);if(!['get','post'].include(this.method)){params['_method']=this.method;this.method='post';}
this.parameters=params;if(params=Object.toQueryString(params)){if(this.method=='get')
this.url+=(this.url.include('?')?'&':'?')+params;else if(/Konqueror|Safari|KHTML/.test(navigator.userAgent))
params+='&_=';}
try{var response=new Ajax.Response(this);if(this.options.onCreate)this.options.onCreate(response);Ajax.Responders.dispatch('onCreate',this,response);this.transport.open(this.method.toUpperCase(),this.url,this.options.asynchronous);if(this.options.asynchronous)this.respondToReadyState.bind(this).defer(1);this.transport.onreadystatechange=this.onStateChange.bind(this);this.setRequestHeaders();this.body=this.method=='post'?(this.options.postBody||params):null;this.transport.send(this.body);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(global){var SETATTRIBUTE_IGNORES_NAME=(function(){var elForm=document.createElement("form");var elInput=document.createElement("input");var root=document.documentElement;elInput.setAttribute("name","test");elForm.appendChild(elInput);root.appendChild(elForm);var isBuggy=elForm.elements?(typeof elForm.elements.test=="undefined"):null;root.removeChild(elForm);elForm=elInput=null;return isBuggy;})();var element=global.Element;global.Element=function(tagName,attributes){attributes=attributes||{};tagName=tagName.toLowerCase();var cache=Element.cache;if(SETATTRIBUTE_IGNORES_NAME&&attributes.name){tagName='<'+tagName+' name="'+attributes.name+'">';delete attributes.name;return Element.writeAttribute(document.createElement(tagName),attributes);}
if(!cache[tagName])cache[tagName]=Element.extend(document.createElement(tagName));return Element.writeAttribute(cache[tagName].cloneNode(false),attributes);};Object.extend(global.Element,element||{});if(element)global.Element.prototype=element.prototype;})(this);Element.cache={};Element.idCounter=1;Element.Methods={visible:function(element){return $(element).style.display!='none';},toggle:function(element){element=$(element);Element[Element.visible(element)?'hide':'show'](element);return element;},hide:function(element){element=$(element);element.style.display='none';return element;},show:function(element){element=$(element);element.style.display='';return element;},remove:function(element){element=$(element);element.parentNode.removeChild(element);return element;},update:(function(){var SELECT_ELEMENT_INNERHTML_BUGGY=(function(){var el=document.createElement("select"),isBuggy=true;el.innerHTML="<option value=\"test\">test</option>";if(el.options&&el.options[0]){isBuggy=el.options[0].nodeName.toUpperCase()!=="OPTION";}
el=null;return isBuggy;})();var TABLE_ELEMENT_INNERHTML_BUGGY=(function(){try{var el=document.createElement("table");if(el&&el.tBodies){el.innerHTML="<tbody><tr><td>test</td></tr></tbody>";var isBuggy=typeof el.tBodies[0]=="undefined";el=null;return isBuggy;}}catch(e){return true;}})();var SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING=(function(){var s=document.createElement("script"),isBuggy=false;try{s.appendChild(document.createTextNode(""));isBuggy=!s.firstChild||s.firstChild&&s.firstChild.nodeType!==3;}catch(e){isBuggy=true;}
s=null;return isBuggy;})();function update(element,content){element=$(element);if(content&&content.toElement)
content=content.toElement();if(Object.isElement(content))
return element.update().insert(content);content=Object.toHTML(content);var tagName=element.tagName.toUpperCase();if(tagName==='SCRIPT'&&SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING){element.text=content;return element;}
if(SELECT_ELEMENT_INNERHTML_BUGGY||TABLE_ELEMENT_INNERHTML_BUGGY){if(tagName in Element._insertionTranslations.tags){while(element.firstChild){element.removeChild(element.firstChild);}
Element._getContentFromAnonymousElement(tagName,content.stripScripts()).each(function(node){element.appendChild(node)});}
else{element.innerHTML=content.stripScripts();}}
else{element.innerHTML=content.stripScripts();}
content.evalScripts.bind(content).defer();return element;}
return update;})(),replace:function(element,content){element=$(element);if(content&&content.toElement)content=content.toElement();else if(!Object.isElement(content)){content=Object.toHTML(content);var range=element.ownerDocument.createRange();range.selectNode(element);content.evalScripts.bind(content).defer();content=range.createContextualFragment(content.stripScripts());}
element.parentNode.replaceChild(content,element);return element;},insert:function(element,insertions){element=$(element);if(Object.isString(insertions)||Object.isNumber(insertions)||Object.isElement(insertions)||(insertions&&(insertions.toElement||insertions.toHTML)))
insertions={bottom:insertions};var content,insert,tagName,childNodes;for(var position in insertions){content=insertions[position];position=position.toLowerCase();insert=Element._insertionTranslations[position];if(content&&content.toElement)content=content.toElement();if(Object.isElement(content)){insert(element,content);continue;}
content=Object.toHTML(content);tagName=((position=='before'||position=='after')?element.parentNode:element).tagName.toUpperCase();childNodes=Element._getContentFromAnonymousElement(tagName,content.stripScripts());if(position=='top'||position=='after')childNodes.reverse();childNodes.each(insert.curry(element));content.evalScripts.bind(content).defer();}
return element;},wrap:function(element,wrapper,attributes){element=$(element);if(Object.isElement(wrapper))
$(wrapper).writeAttribute(attributes||{});else if(Object.isString(wrapper))wrapper=new Element(wrapper,attributes);else wrapper=new Element('div',wrapper);if(element.parentNode)
element.parentNode.replaceChild(wrapper,element);wrapper.appendChild(element);return wrapper;},inspect:function(element){element=$(element);var result='<'+element.tagName.toLowerCase();$H({'id':'id','className':'class'}).each(function(pair){var property=pair.first(),attribute=pair.last();var value=(element[property]||'').toString();if(value)result+=' '+attribute+'='+value.inspect(true);});return result+'>';},recursivelyCollect:function(element,property){element=$(element);var elements=[];while(element=element[property])
if(element.nodeType==1)
elements.push(Element.extend(element));return elements;},ancestors:function(element){return Element.recursivelyCollect(element,'parentNode');},descendants:function(element){return Element.select(element,"*");},firstDescendant:function(element){element=$(element).firstChild;while(element&&element.nodeType!=1)element=element.nextSibling;return $(element);},immediateDescendants:function(element){if(!(element=$(element).firstChild))return[];while(element&&element.nodeType!=1)element=element.nextSibling;if(element)return[element].concat($(element).nextSiblings());return[];},previousSiblings:function(element){return Element.recursivelyCollect(element,'previousSibling');},nextSiblings:function(element){return Element.recursivelyCollect(element,'nextSibling');},siblings:function(element){element=$(element);return Element.previousSiblings(element).reverse().concat(Element.nextSiblings(element));},match:function(element,selector){if(Object.isString(selector))
selector=new Selector(selector);return selector.match($(element));},up:function(element,expression,index){element=$(element);if(arguments.length==1)return $(element.parentNode);var ancestors=Element.ancestors(element);return Object.isNumber(expression)?ancestors[expression]:Selector.findElement(ancestors,expression,index);},down:function(element,expression,index){element=$(element);if(arguments.length==1)return Element.firstDescendant(element);return Object.isNumber(expression)?Element.descendants(element)[expression]:Element.select(element,expression)[index||0];},previous:function(element,expression,index){element=$(element);if(arguments.length==1)return $(Selector.handlers.previousElementSibling(element));var previousSiblings=Element.previousSiblings(element);return Object.isNumber(expression)?previousSiblings[expression]:Selector.findElement(previousSiblings,expression,index);},next:function(element,expression,index){element=$(element);if(arguments.length==1)return $(Selector.handlers.nextElementSibling(element));var nextSiblings=Element.nextSiblings(element);return Object.isNumber(expression)?nextSiblings[expression]:Selector.findElement(nextSiblings,expression,index);},select:function(element){var args=Array.prototype.slice.call(arguments,1);return Selector.findChildElements(element,args);},adjacent:function(element){var args=Array.prototype.slice.call(arguments,1);return Selector.findChildElements(element.parentNode,args).without(element);},identify:function(element){element=$(element);var id=Element.readAttribute(element,'id');if(id)return id;do{id='anonymous_element_'+Element.idCounter++}while($(id));Element.writeAttribute(element,'id',id);return id;},readAttribute:function(element,name){element=$(element);if(Prototype.Browser.IE){var t=Element._attributeTranslations.read;if(t.values[name])return t.values[name](element,name);if(t.names[name])name=t.names[name];if(name.include(':')){return(!element.attributes||!element.attributes[name])?null:element.attributes[name].value;}}
return element.getAttribute(name);},writeAttribute:function(element,name,value){element=$(element);var attributes={},t=Element._attributeTranslations.write;if(typeof name=='object')attributes=name;else attributes[name]=Object.isUndefined(value)?true:value;for(var attr in attributes){name=t.names[attr]||attr;value=attributes[attr];if(t.values[attr])name=t.values[attr](element,value);if(value===false||value===null)
element.removeAttribute(name);else if(value===true)
element.setAttribute(name,name);else element.setAttribute(name,value);}
return element;},getHeight:function(element){return Element.getDimensions(element).height;},getWidth:function(element){return Element.getDimensions(element).width;},classNames:function(element){return new Element.ClassNames(element);},hasClassName:function(element,className){if(!(element=$(element)))return;var elementClassName=element.className;return(elementClassName.length>0&&(elementClassName==className||new RegExp("(^|\\s)"+className+"(\\s|$)").test(elementClassName)));},addClassName:function(element,className){if(!(element=$(element)))return;if(!Element.hasClassName(element,className))
element.className+=(element.className?' ':'')+className;return element;},removeClassName:function(element,className){if(!(element=$(element)))return;element.className=element.className.replace(new RegExp("(^|\\s+)"+className+"(\\s+|$)"),' ').strip();return element;},toggleClassName:function(element,className){if(!(element=$(element)))return;return Element[Element.hasClassName(element,className)?'removeClassName':'addClassName'](element,className);},cleanWhitespace:function(element){element=$(element);var node=element.firstChild;while(node){var nextNode=node.nextSibling;if(node.nodeType==3&&!/\S/.test(node.nodeValue))
element.removeChild(node);node=nextNode;}
return element;},empty:function(element){return $(element).innerHTML.blank();},descendantOf:function(element,ancestor){element=$(element),ancestor=$(ancestor);if(element.compareDocumentPosition)
return(element.compareDocumentPosition(ancestor)&8)===8;if(ancestor.contains)
return ancestor.contains(element)&&ancestor!==element;while(element=element.parentNode)
if(element==ancestor)return true;return false;},scrollTo:function(element){element=$(element);var pos=Element.cumulativeOffset(element);window.scrollTo(pos[0],pos[1]);return element;},getStyle:function(element,style){element=$(element);style=style=='float'?'cssFloat':style.camelize();var value=element.style[style];if(!value||value=='auto'){var css=document.defaultView.getComputedStyle(element,null);value=css?css[style]:null;}
if(style=='opacity')return value?parseFloat(value):1.0;return value=='auto'?null:value;},getOpacity:function(element){return $(element).getStyle('opacity');},setStyle:function(element,styles){element=$(element);var elementStyle=element.style,match;if(Object.isString(styles)){element.style.cssText+=';'+styles;return styles.include('opacity')?element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]):element;}
for(var property in styles)
if(property=='opacity')element.setOpacity(styles[property]);else
elementStyle[(property=='float'||property=='cssFloat')?(Object.isUndefined(elementStyle.styleFloat)?'cssFloat':'styleFloat'):property]=styles[property];return element;},setOpacity:function(element,value){element=$(element);element.style.opacity=(value==1||value==='')?'':(value<0.00001)?0:value;return element;},getDimensions:function(element){element=$(element);var display=Element.getStyle(element,'display');if(display!='none'&&display!=null)
return{width:element.offsetWidth,height:element.offsetHeight};var els=element.style;var originalVisibility=els.visibility;var originalPosition=els.position;var originalDisplay=els.display;els.visibility='hidden';if(originalPosition!='fixed')
els.position='absolute';els.display='block';var originalWidth=element.clientWidth;var originalHeight=element.clientHeight;els.display=originalDisplay;els.position=originalPosition;els.visibility=originalVisibility;return{width:originalWidth,height:originalHeight};},makePositioned:function(element){element=$(element);var pos=Element.getStyle(element,'position');if(pos=='static'||!pos){element._madePositioned=true;element.style.position='relative';if(Prototype.Browser.Opera){element.style.top=0;element.style.left=0;}}
return element;},undoPositioned:function(element){element=$(element);if(element._madePositioned){element._madePositioned=undefined;element.style.position=element.style.top=element.style.left=element.style.bottom=element.style.right='';}
return element;},makeClipping:function(element){element=$(element);if(element._overflow)return element;element._overflow=Element.getStyle(element,'overflow')||'auto';if(element._overflow!=='hidden')
element.style.overflow='hidden';return element;},undoClipping:function(element){element=$(element);if(!element._overflow)return element;element.style.overflow=element._overflow=='auto'?'':element._overflow;element._overflow=null;return element;},cumulativeOffset:function(element){var valueT=0,valueL=0;do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;element=element.offsetParent;}while(element);return Element._returnOffset(valueL,valueT);},positionedOffset:function(element){var valueT=0,valueL=0;do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;element=element.offsetParent;if(element){if(element.tagName.toUpperCase()=='BODY')break;var p=Element.getStyle(element,'position');if(p!=='static')break;}}while(element);return Element._returnOffset(valueL,valueT);},absolutize:function(element){element=$(element);if(Element.getStyle(element,'position')=='absolute')return element;var offsets=Element.positionedOffset(element);var top=offsets[1];var left=offsets[0];var width=element.clientWidth;var height=element.clientHeight;element._originalLeft=left-parseFloat(element.style.left||0);element._originalTop=top-parseFloat(element.style.top||0);element._originalWidth=element.style.width;element._originalHeight=element.style.height;element.style.position='absolute';element.style.top=top+'px';element.style.left=left+'px';element.style.width=width+'px';element.style.height=height+'px';return element;},relativize:function(element){element=$(element);if(Element.getStyle(element,'position')=='relative')return element;element.style.position='relative';var top=parseFloat(element.style.top||0)-(element._originalTop||0);var left=parseFloat(element.style.left||0)-(element._originalLeft||0);element.style.top=top+'px';element.style.left=left+'px';element.style.height=element._originalHeight;element.style.width=element._originalWidth;return element;},cumulativeScrollOffset:function(element){var valueT=0,valueL=0;do{valueT+=element.scrollTop||0;valueL+=element.scrollLeft||0;element=element.parentNode;}while(element);return Element._returnOffset(valueL,valueT);},getOffsetParent:function(element){if(element.offsetParent)return $(element.offsetParent);if(element==document.body)return $(element);while((element=element.parentNode)&&element!=document.body)
if(Element.getStyle(element,'position')!='static')
return $(element);return $(document.body);},viewportOffset:function(forElement){var valueT=0,valueL=0;var element=forElement;do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;if(element.offsetParent==document.body&&Element.getStyle(element,'position')=='absolute')break;}while(element=element.offsetParent);element=forElement;do{if(!Prototype.Browser.Opera||(element.tagName&&(element.tagName.toUpperCase()=='BODY'))){valueT-=element.scrollTop||0;valueL-=element.scrollLeft||0;}}while(element=element.parentNode);return Element._returnOffset(valueL,valueT);},clonePosition:function(element,source){var options=Object.extend({setLeft:true,setTop:true,setWidth:true,setHeight:true,offsetTop:0,offsetLeft:0},arguments[2]||{});source=$(source);var p=Element.viewportOffset(source);element=$(element);var delta=[0,0];var parent=null;if(Element.getStyle(element,'position')=='absolute'){parent=Element.getOffsetParent(element);delta=Element.viewportOffset(parent);}
if(parent==document.body){delta[0]-=document.body.offsetLeft;delta[1]-=document.body.offsetTop;}
if(options.setLeft)element.style.left=(p[0]-delta[0]+options.offsetLeft)+'px';if(options.setTop)element.style.top=(p[1]-delta[1]+options.offsetTop)+'px';if(options.setWidth)element.style.width=source.offsetWidth+'px';if(options.setHeight)element.style.height=source.offsetHeight+'px';return element;}};Object.extend(Element.Methods,{getElementsBySelector:Element.Methods.select,childElements:Element.Methods.immediateDescendants});Element._attributeTranslations={write:{names:{className:'class',htmlFor:'for'},values:{}}};if(Prototype.Browser.Opera){Element.Methods.getStyle=Element.Methods.getStyle.wrap(function(proceed,element,style){switch(style){case'left':case'top':case'right':case'bottom':if(proceed(element,'position')==='static')return null;case'height':case'width':if(!Element.visible(element))return null;var dim=parseInt(proceed(element,style),10);if(dim!==element['offset'+style.capitalize()])
return dim+'px';var properties;if(style==='height'){properties=['border-top-width','padding-top','padding-bottom','border-bottom-width'];}
else{properties=['border-left-width','padding-left','padding-right','border-right-width'];}
return properties.inject(dim,function(memo,property){var val=proceed(element,property);return val===null?memo:memo-parseInt(val,10);})+'px';default:return proceed(element,style);}});Element.Methods.readAttribute=Element.Methods.readAttribute.wrap(function(proceed,element,attribute){if(attribute==='title')return element.title;return proceed(element,attribute);});}
else if(Prototype.Browser.IE){Element.Methods.getOffsetParent=Element.Methods.getOffsetParent.wrap(function(proceed,element){element=$(element);try{element.offsetParent}
catch(e){return $(document.body)}
var position=element.getStyle('position');if(position!=='static')return proceed(element);element.setStyle({position:'relative'});var value=proceed(element);element.setStyle({position:position});return value;});$w('positionedOffset viewportOffset').each(function(method){Element.Methods[method]=Element.Methods[method].wrap(function(proceed,element){element=$(element);try{element.offsetParent}
catch(e){return Element._returnOffset(0,0)}
var position=element.getStyle('position');if(position!=='static')return proceed(element);var offsetParent=element.getOffsetParent();if(offsetParent&&offsetParent.getStyle('position')==='fixed')
offsetParent.setStyle({zoom:1});element.setStyle({position:'relative'});var value=proceed(element);element.setStyle({position:position});return value;});});Element.Methods.cumulativeOffset=Element.Methods.cumulativeOffset.wrap(function(proceed,element){try{element.offsetParent}
catch(e){return Element._returnOffset(0,0)}
return proceed(element);});Element.Methods.getStyle=function(element,style){element=$(element);style=(style=='float'||style=='cssFloat')?'styleFloat':style.camelize();var value=element.style[style];if(!value&&element.currentStyle)value=element.currentStyle[style];if(style=='opacity'){if(value=(element.getStyle('filter')||'').match(/alpha\(opacity=(.*)\)/))
if(value[1])return parseFloat(value[1])/100;return 1.0;}
if(value=='auto'){if((style=='width'||style=='height')&&(element.getStyle('display')!='none'))
return element['offset'+style.capitalize()]+'px';return null;}
return value;};Element.Methods.setOpacity=function(element,value){function stripAlpha(filter){return filter.replace(/alpha\([^\)]*\)/gi,'');}
element=$(element);var currentStyle=element.currentStyle;if((currentStyle&&!currentStyle.hasLayout)||(!currentStyle&&element.style.zoom=='normal'))
element.style.zoom=1;var filter=element.getStyle('filter'),style=element.style;if(value==1||value===''){(filter=stripAlpha(filter))?style.filter=filter:style.removeAttribute('filter');return element;}else if(value<0.00001)value=0;style.filter=stripAlpha(filter)+'alpha(opacity='+(value*100)+')';return element;};Element._attributeTranslations=(function(){var classProp='className';var forProp='for';var el=document.createElement('div');el.setAttribute(classProp,'x');if(el.className!=='x'){el.setAttribute('class','x');if(el.className==='x'){classProp='class';}}
el=null;el=document.createElement('label');el.setAttribute(forProp,'x');if(el.htmlFor!=='x'){el.setAttribute('htmlFor','x');if(el.htmlFor==='x'){forProp='htmlFor';}}
el=null;return{read:{names:{'class':classProp,'className':classProp,'for':forProp,'htmlFor':forProp},values:{_getAttr:function(element,attribute){return element.getAttribute(attribute);},_getAttr2:function(element,attribute){return element.getAttribute(attribute,2);},_getAttrNode:function(element,attribute){var node=element.getAttributeNode(attribute);return node?node.value:"";},_getEv:(function(){var el=document.createElement('div');el.onclick=Prototype.emptyFunction;var value=el.getAttribute('onclick');var f;if(String(value).indexOf('{')>-1){f=function(element,attribute){attribute=element.getAttribute(attribute);if(!attribute)return null;attribute=attribute.toString();attribute=attribute.split('{')[1];attribute=attribute.split('}')[0];return attribute.strip();};}
else if(value===''){f=function(element,attribute){attribute=element.getAttribute(attribute);if(!attribute)return null;return attribute.strip();};}
el=null;return f;})(),_flag:function(element,attribute){return $(element).hasAttribute(attribute)?attribute:null;},style:function(element){return element.style.cssText.toLowerCase();},title:function(element){return element.title;}}}}})();Element._attributeTranslations.write={names:Object.extend({cellpadding:'cellPadding',cellspacing:'cellSpacing'},Element._attributeTranslations.read.names),values:{checked:function(element,value){element.checked=!!value;},style:function(element,value){element.style.cssText=value?value:'';}}};Element._attributeTranslations.has={};$w('colSpan rowSpan vAlign dateTime accessKey tabIndex '+'encType maxLength readOnly longDesc frameBorder').each(function(attr){Element._attributeTranslations.write.names[attr.toLowerCase()]=attr;Element._attributeTranslations.has[attr.toLowerCase()]=attr;});(function(v){Object.extend(v,{href:v._getAttr2,src:v._getAttr2,type:v._getAttr,action:v._getAttrNode,disabled:v._flag,checked:v._flag,readonly:v._flag,multiple:v._flag,onload:v._getEv,onunload:v._getEv,onclick:v._getEv,ondblclick:v._getEv,onmousedown:v._getEv,onmouseup:v._getEv,onmouseover:v._getEv,onmousemove:v._getEv,onmouseout:v._getEv,onfocus:v._getEv,onblur:v._getEv,onkeypress:v._getEv,onkeydown:v._getEv,onkeyup:v._getEv,onsubmit:v._getEv,onreset:v._getEv,onselect:v._getEv,onchange:v._getEv});})(Element._attributeTranslations.read.values);if(Prototype.BrowserFeatures.ElementExtensions){(function(){function _descendants(element){var nodes=element.getElementsByTagName('*'),results=[];for(var i=0,node;node=nodes[i];i++)
if(node.tagName!=="!")
results.push(node);return results;}
Element.Methods.down=function(element,expression,index){element=$(element);if(arguments.length==1)return element.firstDescendant();return Object.isNumber(expression)?_descendants(element)[expression]:Element.select(element,expression)[index||0];}})();}}
else if(Prototype.Browser.Gecko&&/rv:1\.8\.0/.test(navigator.userAgent)){Element.Methods.setOpacity=function(element,value){element=$(element);element.style.opacity=(value==1)?0.999999:(value==='')?'':(value<0.00001)?0:value;return element;};}
else if(Prototype.Browser.WebKit){Element.Methods.setOpacity=function(element,value){element=$(element);element.style.opacity=(value==1||value==='')?'':(value<0.00001)?0:value;if(value==1)
if(element.tagName.toUpperCase()=='IMG'&&element.width){element.width++;element.width--;}else try{var n=document.createTextNode(' ');element.appendChild(n);element.removeChild(n);}catch(e){}
return element;};Element.Methods.cumulativeOffset=function(element){var valueT=0,valueL=0;do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;if(element.offsetParent==document.body)
if(Element.getStyle(element,'position')=='absolute')break;element=element.offsetParent;}while(element);return Element._returnOffset(valueL,valueT);};}
if('outerHTML'in document.documentElement){Element.Methods.replace=function(element,content){element=$(element);if(content&&content.toElement)content=content.toElement();if(Object.isElement(content)){element.parentNode.replaceChild(content,element);return element;}
content=Object.toHTML(content);var parent=element.parentNode,tagName=parent.tagName.toUpperCase();if(Element._insertionTranslations.tags[tagName]){var nextSibling=element.next();var fragments=Element._getContentFromAnonymousElement(tagName,content.stripScripts());parent.removeChild(element);if(nextSibling)
fragments.each(function(node){parent.insertBefore(node,nextSibling)});else
fragments.each(function(node){parent.appendChild(node)});}
else element.outerHTML=content.stripScripts();content.evalScripts.bind(content).defer();return element;};}
Element._returnOffset=function(l,t){var result=[l,t];result.left=l;result.top=t;return result;};Element._getContentFromAnonymousElement=function(tagName,html){var div=new Element('div'),t=Element._insertionTranslations.tags[tagName];if(t){div.innerHTML=t[0]+html+t[1];t[2].times(function(){div=div.firstChild});}else div.innerHTML=html;return $A(div.childNodes);};Element._insertionTranslations={before:function(element,node){element.parentNode.insertBefore(node,element);},top:function(element,node){element.insertBefore(node,element.firstChild);},bottom:function(element,node){element.appendChild(node);},after:function(element,node){element.parentNode.insertBefore(node,element.nextSibling);},tags:{TABLE:['<table>','</table>',1],TBODY:['<table><tbody>','</tbody></table>',2],TR:['<table><tbody><tr>','</tr></tbody></table>',3],TD:['<table><tbody><tr><td>','</td></tr></tbody></table>',4],SELECT:['<select>','</select>',1]}};(function(){var tags=Element._insertionTranslations.tags;Object.extend(tags,{THEAD:tags.TBODY,TFOOT:tags.TBODY,TH:tags.TD});})();Element.Methods.Simulated={hasAttribute:function(element,attribute){attribute=Element._attributeTranslations.has[attribute]||attribute;var node=$(element).getAttributeNode(attribute);return!!(node&&node.specified);}};Element.Methods.ByTag={};Object.extend(Element,Element.Methods);(function(div){if(!Prototype.BrowserFeatures.ElementExtensions&&div['__proto__']){window.HTMLElement={};window.HTMLElement.prototype=div['__proto__'];Prototype.BrowserFeatures.ElementExtensions=true;}
div=null;})(document.createElement('div'))
Element.extend=(function(){function checkDeficiency(tagName){if(typeof window.Element!='undefined'){var proto=window.Element.prototype;if(proto){var id='_'+(Math.random()+'').slice(2);var el=document.createElement(tagName);proto[id]='x';var isBuggy=(el[id]!=='x');delete proto[id];el=null;return isBuggy;}}
return false;}
function extendElementWith(element,methods){for(var property in methods){var value=methods[property];if(Object.isFunction(value)&&!(property in element))
element[property]=value.methodize();}}
var HTMLOBJECTELEMENT_PROTOTYPE_BUGGY=checkDeficiency('object');if(Prototype.BrowserFeatures.SpecificElementExtensions){if(HTMLOBJECTELEMENT_PROTOTYPE_BUGGY){return function(element){if(element&&typeof element._extendedByPrototype=='undefined'){var t=element.tagName;if(t&&(/^(?:object|applet|embed)$/i.test(t))){extendElementWith(element,Element.Methods);extendElementWith(element,Element.Methods.Simulated);extendElementWith(element,Element.Methods.ByTag[t.toUpperCase()]);}}
return element;}}
return Prototype.K;}
var Methods={},ByTag=Element.Methods.ByTag;var extend=Object.extend(function(element){if(!element||typeof element._extendedByPrototype!='undefined'||element.nodeType!=1||element==window)return element;var methods=Object.clone(Methods),tagName=element.tagName.toUpperCase();if(ByTag[tagName])Object.extend(methods,ByTag[tagName]);extendElementWith(element,methods);element._extendedByPrototype=Prototype.emptyFunction;return element;},{refresh:function(){if(!Prototype.BrowserFeatures.ElementExtensions){Object.extend(Methods,Element.Methods);Object.extend(Methods,Element.Methods.Simulated);}}});extend.refresh();return extend;})();Element.hasAttribute=function(element,attribute){if(element.hasAttribute)return element.hasAttribute(attribute);return Element.Methods.Simulated.hasAttribute(element,attribute);};Element.addMethods=function(methods){var F=Prototype.BrowserFeatures,T=Element.Methods.ByTag;if(!methods){Object.extend(Form,Form.Methods);Object.extend(Form.Element,Form.Element.Methods);Object.extend(Element.Methods.ByTag,{"FORM":Object.clone(Form.Methods),"INPUT":Object.clone(Form.Element.Methods),"SELECT":Object.clone(Form.Element.Methods),"TEXTAREA":Object.clone(Form.Element.Methods)});}
if(arguments.length==2){var tagName=methods;methods=arguments[1];}
if(!tagName)Object.extend(Element.Methods,methods||{});else{if(Object.isArray(tagName))tagName.each(extend);else extend(tagName);}
function extend(tagName){tagName=tagName.toUpperCase();if(!Element.Methods.ByTag[tagName])
Element.Methods.ByTag[tagName]={};Object.extend(Element.Methods.ByTag[tagName],methods);}
function copy(methods,destination,onlyIfAbsent){onlyIfAbsent=onlyIfAbsent||false;for(var property in methods){var value=methods[property];if(!Object.isFunction(value))continue;if(!onlyIfAbsent||!(property in destination))
destination[property]=value.methodize();}}
function findDOMClass(tagName){var klass;var trans={"OPTGROUP":"OptGroup","TEXTAREA":"TextArea","P":"Paragraph","FIELDSET":"FieldSet","UL":"UList","OL":"OList","DL":"DList","DIR":"Directory","H1":"Heading","H2":"Heading","H3":"Heading","H4":"Heading","H5":"Heading","H6":"Heading","Q":"Quote","INS":"Mod","DEL":"Mod","A":"Anchor","IMG":"Image","CAPTION":"TableCaption","COL":"TableCol","COLGROUP":"TableCol","THEAD":"TableSection","TFOOT":"TableSection","TBODY":"TableSection","TR":"TableRow","TH":"TableCell","TD":"TableCell","FRAMESET":"FrameSet","IFRAME":"IFrame"};if(trans[tagName])klass='HTML'+trans[tagName]+'Element';if(window[klass])return window[klass];klass='HTML'+tagName+'Element';if(window[klass])return window[klass];klass='HTML'+tagName.capitalize()+'Element';if(window[klass])return window[klass];var element=document.createElement(tagName);var proto=element['__proto__']||element.constructor.prototype;element=null;return proto;}
var elementPrototype=window.HTMLElement?HTMLElement.prototype:Element.prototype;if(F.ElementExtensions){copy(Element.Methods,elementPrototype);copy(Element.Methods.Simulated,elementPrototype,true);}
if(F.SpecificElementExtensions){for(var tag in Element.Methods.ByTag){var klass=findDOMClass(tag);if(Object.isUndefined(klass))continue;copy(T[tag],klass.prototype);}}
Object.extend(Element,Element.Methods);delete Element.ByTag;if(Element.extend.refresh)Element.extend.refresh();Element.cache={};};document.viewport={getDimensions:function(){return{width:this.getWidth(),height:this.getHeight()};},getScrollOffsets:function(){return Element._returnOffset(window.pageXOffset||document.documentElement.scrollLeft||document.body.scrollLeft,window.pageYOffset||document.documentElement.scrollTop||document.body.scrollTop);}};(function(viewport){var B=Prototype.Browser,doc=document,element,property={};function getRootElement(){if(B.WebKit&&!doc.evaluate)
return document;if(B.Opera&&window.parseFloat(window.opera.version())<9.5)
return document.body;return document.documentElement;}
function define(D){if(!element)element=getRootElement();property[D]='client'+D;viewport['get'+D]=function(){return element[property[D]]};return viewport['get'+D]();}
viewport.getWidth=define.curry('Width');viewport.getHeight=define.curry('Height');})(document.viewport);Element.Storage={UID:1};Element.addMethods({getStorage:function(element){if(!(element=$(element)))return;var uid;if(element===window){uid=0;}else{if(typeof element._prototypeUID==="undefined")
element._prototypeUID=[Element.Storage.UID++];uid=element._prototypeUID[0];}
if(!Element.Storage[uid])
Element.Storage[uid]=$H();return Element.Storage[uid];},store:function(element,key,value){if(!(element=$(element)))return;if(arguments.length===2){Element.getStorage(element).update(key);}else{Element.getStorage(element).set(key,value);}
return element;},retrieve:function(element,key,defaultValue){if(!(element=$(element)))return;var hash=Element.getStorage(element),value=hash.get(key);if(Object.isUndefined(value)){hash.set(key,defaultValue);value=defaultValue;}
return value;},clone:function(element,deep){if(!(element=$(element)))return;var clone=element.cloneNode(deep);clone._prototypeUID=void 0;if(deep){var descendants=Element.select(clone,'*'),i=descendants.length;while(i--){descendants[i]._prototypeUID=void 0;}}
return Element.extend(clone);}});var Selector=Class.create({initialize:function(expression){this.expression=expression.strip();if(this.shouldUseSelectorsAPI()){this.mode='selectorsAPI';}else if(this.shouldUseXPath()){this.mode='xpath';this.compileXPathMatcher();}else{this.mode="normal";this.compileMatcher();}},shouldUseXPath:(function(){var IS_DESCENDANT_SELECTOR_BUGGY=(function(){var isBuggy=false;if(document.evaluate&&window.XPathResult){var el=document.createElement('div');el.innerHTML='<ul><li></li></ul><div><ul><li></li></ul></div>';var xpath=".//*[local-name()='ul' or local-name()='UL']"+"//*[local-name()='li' or local-name()='LI']";var result=document.evaluate(xpath,el,null,XPathResult.ORDERED_NODE_SNAPSHOT_TYPE,null);isBuggy=(result.snapshotLength!==2);el=null;}
return isBuggy;})();return function(){if(!Prototype.BrowserFeatures.XPath)return false;var e=this.expression;if(Prototype.Browser.WebKit&&(e.include("-of-type")||e.include(":empty")))
return false;if((/(\[[\w-]*?:|:checked)/).test(e))
return false;if(IS_DESCENDANT_SELECTOR_BUGGY)return false;return true;}})(),shouldUseSelectorsAPI:function(){if(!Prototype.BrowserFeatures.SelectorsAPI)return false;if(Selector.CASE_INSENSITIVE_CLASS_NAMES)return false;if(!Selector._div)Selector._div=new Element('div');try{Selector._div.querySelector(this.expression);}catch(e){return false;}
return true;},compileMatcher:function(){var e=this.expression,ps=Selector.patterns,h=Selector.handlers,c=Selector.criteria,le,p,m,len=ps.length,name;if(Selector._cache[e]){this.matcher=Selector._cache[e];return;}
this.matcher=["this.matcher = function(root) {","var r = root, h = Selector.handlers, c = false, n;"];while(e&&le!=e&&(/\S/).test(e)){le=e;for(var i=0;i<len;i++){p=ps[i].re;name=ps[i].name;if(m=e.match(p)){this.matcher.push(Object.isFunction(c[name])?c[name](m):new Template(c[name]).evaluate(m));e=e.replace(m[0],'');break;}}}
this.matcher.push("return h.unique(n);\n}");eval(this.matcher.join('\n'));Selector._cache[this.expression]=this.matcher;},compileXPathMatcher:function(){var e=this.expression,ps=Selector.patterns,x=Selector.xpath,le,m,len=ps.length,name;if(Selector._cache[e]){this.xpath=Selector._cache[e];return;}
this.matcher=['.//*'];while(e&&le!=e&&(/\S/).test(e)){le=e;for(var i=0;i<len;i++){name=ps[i].name;if(m=e.match(ps[i].re)){this.matcher.push(Object.isFunction(x[name])?x[name](m):new Template(x[name]).evaluate(m));e=e.replace(m[0],'');break;}}}
this.xpath=this.matcher.join('');Selector._cache[this.expression]=this.xpath;},findElements:function(root){root=root||document;var e=this.expression,results;switch(this.mode){case'selectorsAPI':if(root!==document){var oldId=root.id,id=$(root).identify();id=id.replace(/([\.:])/g,"\\$1");e="#"+id+" "+e;}
results=$A(root.querySelectorAll(e)).map(Element.extend);root.id=oldId;return results;case'xpath':return document._getElementsByXPath(this.xpath,root);default:return this.matcher(root);}},match:function(element){this.tokens=[];var e=this.expression,ps=Selector.patterns,as=Selector.assertions;var le,p,m,len=ps.length,name;while(e&&le!==e&&(/\S/).test(e)){le=e;for(var i=0;i<len;i++){p=ps[i].re;name=ps[i].name;if(m=e.match(p)){if(as[name]){this.tokens.push([name,Object.clone(m)]);e=e.replace(m[0],'');}else{return this.findElements(document).include(element);}}}}
var match=true,name,matches;for(var i=0,token;token=this.tokens[i];i++){name=token[0],matches=token[1];if(!Selector.assertions[name](element,matches)){match=false;break;}}
return match;},toString:function(){return this.expression;},inspect:function(){return"#<Selector:"+this.expression.inspect()+">";}});if(Prototype.BrowserFeatures.SelectorsAPI&&document.compatMode==='BackCompat'){Selector.CASE_INSENSITIVE_CLASS_NAMES=(function(){var div=document.createElement('div'),span=document.createElement('span');div.id="prototype_test_id";span.className='Test';div.appendChild(span);var isIgnored=(div.querySelector('#prototype_test_id .test')!==null);div=span=null;return isIgnored;})();}
Object.extend(Selector,{_cache:{},xpath:{descendant:"//*",child:"/*",adjacent:"/following-sibling::*[1]",laterSibling:'/following-sibling::*',tagName:function(m){if(m[1]=='*')return'';return"[local-name()='"+m[1].toLowerCase()+"' or local-name()='"+m[1].toUpperCase()+"']";},className:"[contains(concat(' ', @class, ' '), ' #{1} ')]",id:"[@id='#{1}']",attrPresence:function(m){m[1]=m[1].toLowerCase();return new Template("[@#{1}]").evaluate(m);},attr:function(m){m[1]=m[1].toLowerCase();m[3]=m[5]||m[6];return new Template(Selector.xpath.operators[m[2]]).evaluate(m);},pseudo:function(m){var h=Selector.xpath.pseudos[m[1]];if(!h)return'';if(Object.isFunction(h))return h(m);return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);},operators:{'=':"[@#{1}='#{3}']",'!=':"[@#{1}!='#{3}']",'^=':"[starts-with(@#{1}, '#{3}')]",'$=':"[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",'*=':"[contains(@#{1}, '#{3}')]",'~=':"[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",'|=':"[contains(concat('-', @#{1}, '-'), '-#{3}-')]"},pseudos:{'first-child':'[not(preceding-sibling::*)]','last-child':'[not(following-sibling::*)]','only-child':'[not(preceding-sibling::* or following-sibling::*)]','empty':"[count(*) = 0 and (count(text()) = 0)]",'checked':"[@checked]",'disabled':"[(@disabled) and (@type!='hidden')]",'enabled':"[not(@disabled) and (@type!='hidden')]",'not':function(m){var e=m[6],p=Selector.patterns,x=Selector.xpath,le,v,len=p.length,name;var exclusion=[];while(e&&le!=e&&(/\S/).test(e)){le=e;for(var i=0;i<len;i++){name=p[i].name
if(m=e.match(p[i].re)){v=Object.isFunction(x[name])?x[name](m):new Template(x[name]).evaluate(m);exclusion.push("("+v.substring(1,v.length-1)+")");e=e.replace(m[0],'');break;}}}
return"[not("+exclusion.join(" and ")+")]";},'nth-child':function(m){return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ",m);},'nth-last-child':function(m){return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ",m);},'nth-of-type':function(m){return Selector.xpath.pseudos.nth("position() ",m);},'nth-last-of-type':function(m){return Selector.xpath.pseudos.nth("(last() + 1 - position()) ",m);},'first-of-type':function(m){m[6]="1";return Selector.xpath.pseudos['nth-of-type'](m);},'last-of-type':function(m){m[6]="1";return Selector.xpath.pseudos['nth-last-of-type'](m);},'only-of-type':function(m){var p=Selector.xpath.pseudos;return p['first-of-type'](m)+p['last-of-type'](m);},nth:function(fragment,m){var mm,formula=m[6],predicate;if(formula=='even')formula='2n+0';if(formula=='odd')formula='2n+1';if(mm=formula.match(/^(\d+)$/))
return'['+fragment+"= "+mm[1]+']';if(mm=formula.match(/^(-?\d*)?n(([+-])(\d+))?/)){if(mm[1]=="-")mm[1]=-1;var a=mm[1]?Number(mm[1]):1;var b=mm[2]?Number(mm[2]):0;predicate="[((#{fragment} - #{b}) mod #{a} = 0) and "+"((#{fragment} - #{b}) div #{a} >= 0)]";return new Template(predicate).evaluate({fragment:fragment,a:a,b:b});}}}},criteria:{tagName:'n = h.tagName(n, r, "#{1}", c); c = false;',className:'n = h.className(n, r, "#{1}", c); c = false;',id:'n = h.id(n, r, "#{1}", c); c = false;',attrPresence:'n = h.attrPresence(n, r, "#{1}", c); c = false;',attr:function(m){m[3]=(m[5]||m[6]);return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m);},pseudo:function(m){if(m[6])m[6]=m[6].replace(/"/g,'\\"');return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m);},descendant:'c = "descendant";',child:'c = "child";',adjacent:'c = "adjacent";',laterSibling:'c = "laterSibling";'},patterns:[{name:'laterSibling',re:/^\s*~\s*/},{name:'child',re:/^\s*>\s*/},{name:'adjacent',re:/^\s*\+\s*/},{name:'descendant',re:/^\s/},{name:'tagName',re:/^\s*(\*|[\w\-]+)(\b|$)?/},{name:'id',re:/^#([\w\-\*]+)(\b|$)/},{name:'className',re:/^\.([\w\-\*]+)(\b|$)/},{name:'pseudo',re:/^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/},{name:'attrPresence',re:/^\[((?:[\w-]+:)?[\w-]+)\]/},{name:'attr',re:/\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/}],assertions:{tagName:function(element,matches){return matches[1].toUpperCase()==element.tagName.toUpperCase();},className:function(element,matches){return Element.hasClassName(element,matches[1]);},id:function(element,matches){return element.id===matches[1];},attrPresence:function(element,matches){return Element.hasAttribute(element,matches[1]);},attr:function(element,matches){var nodeValue=Element.readAttribute(element,matches[1]);return nodeValue&&Selector.operators[matches[2]](nodeValue,matches[5]||matches[6]);}},handlers:{concat:function(a,b){for(var i=0,node;node=b[i];i++)
a.push(node);return a;},mark:function(nodes){var _true=Prototype.emptyFunction;for(var i=0,node;node=nodes[i];i++)
node._countedByPrototype=_true;return nodes;},unmark:(function(){var PROPERTIES_ATTRIBUTES_MAP=(function(){var el=document.createElement('div'),isBuggy=false,propName='_countedByPrototype',value='x'
el[propName]=value;isBuggy=(el.getAttribute(propName)===value);el=null;return isBuggy;})();return PROPERTIES_ATTRIBUTES_MAP?function(nodes){for(var i=0,node;node=nodes[i];i++)
node.removeAttribute('_countedByPrototype');return nodes;}:function(nodes){for(var i=0,node;node=nodes[i];i++)
node._countedByPrototype=void 0;return nodes;}})(),index:function(parentNode,reverse,ofType){parentNode._countedByPrototype=Prototype.emptyFunction;if(reverse){for(var nodes=parentNode.childNodes,i=nodes.length-1,j=1;i>=0;i--){var node=nodes[i];if(node.nodeType==1&&(!ofType||node._countedByPrototype))node.nodeIndex=j++;}}else{for(var i=0,j=1,nodes=parentNode.childNodes;node=nodes[i];i++)
if(node.nodeType==1&&(!ofType||node._countedByPrototype))node.nodeIndex=j++;}},unique:function(nodes){if(nodes.length==0)return nodes;var results=[],n;for(var i=0,l=nodes.length;i<l;i++)
if(typeof(n=nodes[i])._countedByPrototype=='undefined'){n._countedByPrototype=Prototype.emptyFunction;results.push(Element.extend(n));}
return Selector.handlers.unmark(results);},descendant:function(nodes){var h=Selector.handlers;for(var i=0,results=[],node;node=nodes[i];i++)
h.concat(results,node.getElementsByTagName('*'));return results;},child:function(nodes){var h=Selector.handlers;for(var i=0,results=[],node;node=nodes[i];i++){for(var j=0,child;child=node.childNodes[j];j++)
if(child.nodeType==1&&child.tagName!='!')results.push(child);}
return results;},adjacent:function(nodes){for(var i=0,results=[],node;node=nodes[i];i++){var next=this.nextElementSibling(node);if(next)results.push(next);}
return results;},laterSibling:function(nodes){var h=Selector.handlers;for(var i=0,results=[],node;node=nodes[i];i++)
h.concat(results,Element.nextSiblings(node));return results;},nextElementSibling:function(node){while(node=node.nextSibling)
if(node.nodeType==1)return node;return null;},previousElementSibling:function(node){while(node=node.previousSibling)
if(node.nodeType==1)return node;return null;},tagName:function(nodes,root,tagName,combinator){var uTagName=tagName.toUpperCase();var results=[],h=Selector.handlers;if(nodes){if(combinator){if(combinator=="descendant"){for(var i=0,node;node=nodes[i];i++)
h.concat(results,node.getElementsByTagName(tagName));return results;}else nodes=this[combinator](nodes);if(tagName=="*")return nodes;}
for(var i=0,node;node=nodes[i];i++)
if(node.tagName.toUpperCase()===uTagName)results.push(node);return results;}else return root.getElementsByTagName(tagName);},id:function(nodes,root,id,combinator){var targetNode=$(id),h=Selector.handlers;if(root==document){if(!targetNode)return[];if(!nodes)return[targetNode];}else{if(!root.sourceIndex||root.sourceIndex<1){var nodes=root.getElementsByTagName('*');for(var j=0,node;node=nodes[j];j++){if(node.id===id)return[node];}}}
if(nodes){if(combinator){if(combinator=='child'){for(var i=0,node;node=nodes[i];i++)
if(targetNode.parentNode==node)return[targetNode];}else if(combinator=='descendant'){for(var i=0,node;node=nodes[i];i++)
if(Element.descendantOf(targetNode,node))return[targetNode];}else if(combinator=='adjacent'){for(var i=0,node;node=nodes[i];i++)
if(Selector.handlers.previousElementSibling(targetNode)==node)
return[targetNode];}else nodes=h[combinator](nodes);}
for(var i=0,node;node=nodes[i];i++)
if(node==targetNode)return[targetNode];return[];}
return(targetNode&&Element.descendantOf(targetNode,root))?[targetNode]:[];},className:function(nodes,root,className,combinator){if(nodes&&combinator)nodes=this[combinator](nodes);return Selector.handlers.byClassName(nodes,root,className);},byClassName:function(nodes,root,className){if(!nodes)nodes=Selector.handlers.descendant([root]);var needle=' '+className+' ';for(var i=0,results=[],node,nodeClassName;node=nodes[i];i++){nodeClassName=node.className;if(nodeClassName.length==0)continue;if(nodeClassName==className||(' '+nodeClassName+' ').include(needle))
results.push(node);}
return results;},attrPresence:function(nodes,root,attr,combinator){if(!nodes)nodes=root.getElementsByTagName("*");if(nodes&&combinator)nodes=this[combinator](nodes);var results=[];for(var i=0,node;node=nodes[i];i++)
if(Element.hasAttribute(node,attr))results.push(node);return results;},attr:function(nodes,root,attr,value,operator,combinator){if(!nodes)nodes=root.getElementsByTagName("*");if(nodes&&combinator)nodes=this[combinator](nodes);var handler=Selector.operators[operator],results=[];for(var i=0,node;node=nodes[i];i++){var nodeValue=Element.readAttribute(node,attr);if(nodeValue===null)continue;if(handler(nodeValue,value))results.push(node);}
return results;},pseudo:function(nodes,name,value,root,combinator){if(nodes&&combinator)nodes=this[combinator](nodes);if(!nodes)nodes=root.getElementsByTagName("*");return Selector.pseudos[name](nodes,value,root);}},pseudos:{'first-child':function(nodes,value,root){for(var i=0,results=[],node;node=nodes[i];i++){if(Selector.handlers.previousElementSibling(node))continue;results.push(node);}
return results;},'last-child':function(nodes,value,root){for(var i=0,results=[],node;node=nodes[i];i++){if(Selector.handlers.nextElementSibling(node))continue;results.push(node);}
return results;},'only-child':function(nodes,value,root){var h=Selector.handlers;for(var i=0,results=[],node;node=nodes[i];i++)
if(!h.previousElementSibling(node)&&!h.nextElementSibling(node))
results.push(node);return results;},'nth-child':function(nodes,formula,root){return Selector.pseudos.nth(nodes,formula,root);},'nth-last-child':function(nodes,formula,root){return Selector.pseudos.nth(nodes,formula,root,true);},'nth-of-type':function(nodes,formula,root){return Selector.pseudos.nth(nodes,formula,root,false,true);},'nth-last-of-type':function(nodes,formula,root){return Selector.pseudos.nth(nodes,formula,root,true,true);},'first-of-type':function(nodes,formula,root){return Selector.pseudos.nth(nodes,"1",root,false,true);},'last-of-type':function(nodes,formula,root){return Selector.pseudos.nth(nodes,"1",root,true,true);},'only-of-type':function(nodes,formula,root){var p=Selector.pseudos;return p['last-of-type'](p['first-of-type'](nodes,formula,root),formula,root);},getIndices:function(a,b,total){if(a==0)return b>0?[b]:[];return $R(1,total).inject([],function(memo,i){if(0==(i-b)%a&&(i-b)/a>=0)memo.push(i);return memo;});},nth:function(nodes,formula,root,reverse,ofType){if(nodes.length==0)return[];if(formula=='even')formula='2n+0';if(formula=='odd')formula='2n+1';var h=Selector.handlers,results=[],indexed=[],m;h.mark(nodes);for(var i=0,node;node=nodes[i];i++){if(!node.parentNode._countedByPrototype){h.index(node.parentNode,reverse,ofType);indexed.push(node.parentNode);}}
if(formula.match(/^\d+$/)){formula=Number(formula);for(var i=0,node;node=nodes[i];i++)
if(node.nodeIndex==formula)results.push(node);}else if(m=formula.match(/^(-?\d*)?n(([+-])(\d+))?/)){if(m[1]=="-")m[1]=-1;var a=m[1]?Number(m[1]):1;var b=m[2]?Number(m[2]):0;var indices=Selector.pseudos.getIndices(a,b,nodes.length);for(var i=0,node,l=indices.length;node=nodes[i];i++){for(var j=0;j<l;j++)
if(node.nodeIndex==indices[j])results.push(node);}}
h.unmark(nodes);h.unmark(indexed);return results;},'empty':function(nodes,value,root){for(var i=0,results=[],node;node=nodes[i];i++){if(node.tagName=='!'||node.firstChild)continue;results.push(node);}
return results;},'not':function(nodes,selector,root){var h=Selector.handlers,selectorType,m;var exclusions=new Selector(selector).findElements(root);h.mark(exclusions);for(var i=0,results=[],node;node=nodes[i];i++)
if(!node._countedByPrototype)results.push(node);h.unmark(exclusions);return results;},'enabled':function(nodes,value,root){for(var i=0,results=[],node;node=nodes[i];i++)
if(!node.disabled&&(!node.type||node.type!=='hidden'))
results.push(node);return results;},'disabled':function(nodes,value,root){for(var i=0,results=[],node;node=nodes[i];i++)
if(node.disabled)results.push(node);return results;},'checked':function(nodes,value,root){for(var i=0,results=[],node;node=nodes[i];i++)
if(node.checked)results.push(node);return results;}},operators:{'=':function(nv,v){return nv==v;},'!=':function(nv,v){return nv!=v;},'^=':function(nv,v){return nv==v||nv&&nv.startsWith(v);},'$=':function(nv,v){return nv==v||nv&&nv.endsWith(v);},'*=':function(nv,v){return nv==v||nv&&nv.include(v);},'~=':function(nv,v){return(' '+nv+' ').include(' '+v+' ');},'|=':function(nv,v){return('-'+(nv||"").toUpperCase()+'-').include('-'+(v||"").toUpperCase()+'-');}},split:function(expression){var expressions=[];expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/,function(m){expressions.push(m[1].strip());});return expressions;},matchElements:function(elements,expression){var matches=$$(expression),h=Selector.handlers;h.mark(matches);for(var i=0,results=[],element;element=elements[i];i++)
if(element._countedByPrototype)results.push(element);h.unmark(matches);return results;},findElement:function(elements,expression,index){if(Object.isNumber(expression)){index=expression;expression=false;}
return Selector.matchElements(elements,expression||'*')[index||0];},findChildElements:function(element,expressions){expressions=Selector.split(expressions.join(','));var results=[],h=Selector.handlers;for(var i=0,l=expressions.length,selector;i<l;i++){selector=new Selector(expressions[i].strip());h.concat(results,selector.findElements(element));}
return(l>1)?h.unique(results):results;}});if(Prototype.Browser.IE){Object.extend(Selector.handlers,{concat:function(a,b){for(var i=0,node;node=b[i];i++)
if(node.tagName!=="!")a.push(node);return a;}});}
function $$(){return Selector.findChildElements(document,$A(arguments));}
var Form={reset:function(form){form=$(form);form.reset();return form;},serializeElements:function(elements,options){if(typeof options!='object')options={hash:!!options};else if(Object.isUndefined(options.hash))options.hash=true;var key,value,submitted=false,submit=options.submit;var data=elements.inject({},function(result,element){if(!element.disabled&&element.name){key=element.name;value=$(element).getValue();if(value!=null&&element.type!='file'&&(element.type!='submit'||(!submitted&&submit!==false&&(!submit||key==submit)&&(submitted=true)))){if(key in result){if(!Object.isArray(result[key]))result[key]=[result[key]];result[key].push(value);}
else result[key]=value;}}
return result;});return options.hash?data:Object.toQueryString(data);}};Form.Methods={serialize:function(form,options){return Form.serializeElements(Form.getElements(form),options);},getElements:function(form){var elements=$(form).getElementsByTagName('*'),element,arr=[],serializers=Form.Element.Serializers;for(var i=0;element=elements[i];i++){arr.push(element);}
return arr.inject([],function(elements,child){if(serializers[child.tagName.toLowerCase()])
elements.push(Element.extend(child));return elements;})},getInputs:function(form,typeName,name){form=$(form);var inputs=form.getElementsByTagName('input');if(!typeName&&!name)return $A(inputs).map(Element.extend);for(var i=0,matchingInputs=[],length=inputs.length;i<length;i++){var input=inputs[i];if((typeName&&input.type!=typeName)||(name&&input.name!=name))
continue;matchingInputs.push(Element.extend(input));}
return matchingInputs;},disable:function(form){form=$(form);Form.getElements(form).invoke('disable');return form;},enable:function(form){form=$(form);Form.getElements(form).invoke('enable');return form;},findFirstElement:function(form){var elements=$(form).getElements().findAll(function(element){return'hidden'!=element.type&&!element.disabled;});var firstByIndex=elements.findAll(function(element){return element.hasAttribute('tabIndex')&&element.tabIndex>=0;}).sortBy(function(element){return element.tabIndex}).first();return firstByIndex?firstByIndex:elements.find(function(element){return/^(?:input|select|textarea)$/i.test(element.tagName);});},focusFirstElement:function(form){form=$(form);form.findFirstElement().activate();return form;},request:function(form,options){form=$(form),options=Object.clone(options||{});var params=options.parameters,action=form.readAttribute('action')||'';if(action.blank())action=window.location.href;options.parameters=form.serialize(true);if(params){if(Object.isString(params))params=params.toQueryParams();Object.extend(options.parameters,params);}
if(form.hasAttribute('method')&&!options.method)
options.method=form.method;return new Ajax.Request(action,options);}};Form.Element={focus:function(element){$(element).focus();return element;},select:function(element){$(element).select();return element;}};Form.Element.Methods={serialize:function(element){element=$(element);if(!element.disabled&&element.name){var value=element.getValue();if(value!=undefined){var pair={};pair[element.name]=value;return Object.toQueryString(pair);}}
return'';},getValue:function(element){element=$(element);var method=element.tagName.toLowerCase();return Form.Element.Serializers[method](element);},setValue:function(element,value){element=$(element);var method=element.tagName.toLowerCase();Form.Element.Serializers[method](element,value);return element;},clear:function(element){$(element).value='';return element;},present:function(element){return $(element).value!='';},activate:function(element){element=$(element);try{element.focus();if(element.select&&(element.tagName.toLowerCase()!='input'||!(/^(?:button|reset|submit)$/i.test(element.type))))
element.select();}catch(e){}
return element;},disable:function(element){element=$(element);element.disabled=true;return element;},enable:function(element){element=$(element);element.disabled=false;return element;}};var Field=Form.Element;var $F=Form.Element.Methods.getValue;Form.Element.Serializers={input:function(element,value){switch(element.type.toLowerCase()){case'checkbox':case'radio':return Form.Element.Serializers.inputSelector(element,value);default:return Form.Element.Serializers.textarea(element,value);}},inputSelector:function(element,value){if(Object.isUndefined(value))return element.checked?element.value:null;else element.checked=!!value;},textarea:function(element,value){if(Object.isUndefined(value))return element.value;else element.value=value;},select:function(element,value){if(Object.isUndefined(value))
return this[element.type=='select-one'?'selectOne':'selectMany'](element);else{var opt,currentValue,single=!Object.isArray(value);for(var i=0,length=element.length;i<length;i++){opt=element.options[i];currentValue=this.optionValue(opt);if(single){if(currentValue==value){opt.selected=true;return;}}
else opt.selected=value.include(currentValue);}}},selectOne:function(element){var index=element.selectedIndex;return index>=0?this.optionValue(element.options[index]):null;},selectMany:function(element){var values,length=element.length;if(!length)return null;for(var i=0,values=[];i<length;i++){var opt=element.options[i];if(opt.selected)values.push(this.optionValue(opt));}
return values;},optionValue:function(opt){return Element.extend(opt).hasAttribute('value')?opt.value:opt.text;}};Abstract.TimedObserver=Class.create(PeriodicalExecuter,{initialize:function($super,element,frequency,callback){$super(callback,frequency);this.element=$(element);this.lastValue=this.getValue();},execute:function(){var value=this.getValue();if(Object.isString(this.lastValue)&&Object.isString(value)?this.lastValue!=value:String(this.lastValue)!=String(value)){this.callback(this.element,value);this.lastValue=value;}}});Form.Element.Observer=Class.create(Abstract.TimedObserver,{getValue:function(){return Form.Element.getValue(this.element);}});Form.Observer=Class.create(Abstract.TimedObserver,{getValue:function(){return Form.serialize(this.element);}});Abstract.EventObserver=Class.create({initialize:function(element,callback){this.element=$(element);this.callback=callback;this.lastValue=this.getValue();if(this.element.tagName.toLowerCase()=='form')
this.registerFormCallbacks();else
this.registerCallback(this.element);},onElementEvent:function(){var value=this.getValue();if(this.lastValue!=value){this.callback(this.element,value);this.lastValue=value;}},registerFormCallbacks:function(){Form.getElements(this.element).each(this.registerCallback,this);},registerCallback:function(element){if(element.type){switch(element.type.toLowerCase()){case'checkbox':case'radio':Event.observe(element,'click',this.onElementEvent.bind(this));break;default:Event.observe(element,'change',this.onElementEvent.bind(this));break;}}}});Form.Element.EventObserver=Class.create(Abstract.EventObserver,{getValue:function(){return Form.Element.getValue(this.element);}});Form.EventObserver=Class.create(Abstract.EventObserver,{getValue:function(){return Form.serialize(this.element);}});(function(){var Event={KEY_BACKSPACE:8,KEY_TAB:9,KEY_RETURN:13,KEY_ESC:27,KEY_LEFT:37,KEY_UP:38,KEY_RIGHT:39,KEY_DOWN:40,KEY_DELETE:46,KEY_HOME:36,KEY_END:35,KEY_PAGEUP:33,KEY_PAGEDOWN:34,KEY_INSERT:45,cache:{}};var docEl=document.documentElement;var MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED='onmouseenter'in docEl&&'onmouseleave'in docEl;var _isButton;if(Prototype.Browser.IE){var buttonMap={0:1,1:4,2:2};_isButton=function(event,code){return event.button===buttonMap[code];};}else if(Prototype.Browser.WebKit){_isButton=function(event,code){switch(code){case 0:return event.which==1&&!event.metaKey;case 1:return event.which==1&&event.metaKey;default:return false;}};}else{_isButton=function(event,code){return event.which?(event.which===code+1):(event.button===code);};}
function isLeftClick(event){return _isButton(event,0)}
function isMiddleClick(event){return _isButton(event,1)}
function isRightClick(event){return _isButton(event,2)}
function element(event){event=Event.extend(event);var node=event.target,type=event.type,currentTarget=event.currentTarget;if(currentTarget&&currentTarget.tagName){if(type==='load'||type==='error'||(type==='click'&&currentTarget.tagName.toLowerCase()==='input'&&currentTarget.type==='radio'))
node=currentTarget;}
if(node.nodeType==Node.TEXT_NODE)
node=node.parentNode;return Element.extend(node);}
function findElement(event,expression){var element=Event.element(event);if(!expression)return element;var elements=[element].concat(element.ancestors());return Selector.findElement(elements,expression,0);}
function pointer(event){return{x:pointerX(event),y:pointerY(event)};}
function pointerX(event){var docElement=document.documentElement,body=document.body||{scrollLeft:0};return event.pageX||(event.clientX+
(docElement.scrollLeft||body.scrollLeft)-
(docElement.clientLeft||0));}
function pointerY(event){var docElement=document.documentElement,body=document.body||{scrollTop:0};return event.pageY||(event.clientY+
(docElement.scrollTop||body.scrollTop)-
(docElement.clientTop||0));}
function stop(event){Event.extend(event);event.preventDefault();event.stopPropagation();event.stopped=true;}
Event.Methods={isLeftClick:isLeftClick,isMiddleClick:isMiddleClick,isRightClick:isRightClick,element:element,findElement:findElement,pointer:pointer,pointerX:pointerX,pointerY:pointerY,stop:stop};var methods=Object.keys(Event.Methods).inject({},function(m,name){m[name]=Event.Methods[name].methodize();return m;});if(Prototype.Browser.IE){function _relatedTarget(event){var element;switch(event.type){case'mouseover':element=event.fromElement;break;case'mouseout':element=event.toElement;break;default:return null;}
return Element.extend(element);}
Object.extend(methods,{stopPropagation:function(){this.cancelBubble=true},preventDefault:function(){this.returnValue=false},inspect:function(){return'[object Event]'}});Event.extend=function(event,element){if(!event)return false;if(event._extendedByPrototype)return event;event._extendedByPrototype=Prototype.emptyFunction;var pointer=Event.pointer(event);Object.extend(event,{target:event.srcElement||element,relatedTarget:_relatedTarget(event),pageX:pointer.x,pageY:pointer.y});return Object.extend(event,methods);};}else{Event.prototype=window.Event.prototype||document.createEvent('HTMLEvents').__proto__;Object.extend(Event.prototype,methods);Event.extend=Prototype.K;}
function _createResponder(element,eventName,handler){var registry=Element.retrieve(element,'prototype_event_registry');if(Object.isUndefined(registry)){CACHE.push(element);registry=Element.retrieve(element,'prototype_event_registry',$H());}
var respondersForEvent=registry.get(eventName);if(Object.isUndefined(respondersForEvent)){respondersForEvent=[];registry.set(eventName,respondersForEvent);}
if(respondersForEvent.pluck('handler').include(handler))return false;var responder;if(eventName.include(":")){responder=function(event){if(Object.isUndefined(event.eventName))
return false;if(event.eventName!==eventName)
return false;Event.extend(event,element);handler.call(element,event);};}else{if(!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED&&(eventName==="mouseenter"||eventName==="mouseleave")){if(eventName==="mouseenter"||eventName==="mouseleave"){responder=function(event){Event.extend(event,element);var parent=event.relatedTarget;while(parent&&parent!==element){try{parent=parent.parentNode;}
catch(e){parent=element;}}
if(parent===element)return;handler.call(element,event);};}}else{responder=function(event){Event.extend(event,element);handler.call(element,event);};}}
responder.handler=handler;respondersForEvent.push(responder);return responder;}
function _destroyCache(){for(var i=0,length=CACHE.length;i<length;i++){Event.stopObserving(CACHE[i]);CACHE[i]=null;}}
var CACHE=[];if(Prototype.Browser.IE)
window.attachEvent('onunload',_destroyCache);if(Prototype.Browser.WebKit)
window.addEventListener('unload',Prototype.emptyFunction,false);var _getDOMEventName=Prototype.K;if(!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED){_getDOMEventName=function(eventName){var translations={mouseenter:"mouseover",mouseleave:"mouseout"};return eventName in translations?translations[eventName]:eventName;};}
function observe(element,eventName,handler){element=$(element);var responder=_createResponder(element,eventName,handler);if(!responder)return element;if(eventName.include(':')){if(element.addEventListener)
element.addEventListener("dataavailable",responder,false);else{element.attachEvent("ondataavailable",responder);element.attachEvent("onfilterchange",responder);}}else{var actualEventName=_getDOMEventName(eventName);if(element.addEventListener)
element.addEventListener(actualEventName,responder,false);else
element.attachEvent("on"+actualEventName,responder);}
return element;}
function stopObserving(element,eventName,handler){element=$(element);var registry=Element.retrieve(element,'prototype_event_registry');if(Object.isUndefined(registry))return element;if(eventName&&!handler){var responders=registry.get(eventName);if(Object.isUndefined(responders))return element;responders.each(function(r){Element.stopObserving(element,eventName,r.handler);});return element;}else if(!eventName){registry.each(function(pair){var eventName=pair.key,responders=pair.value;responders.each(function(r){Element.stopObserving(element,eventName,r.handler);});});return element;}
var responders=registry.get(eventName);if(!responders)return;var responder=responders.find(function(r){return r.handler===handler;});if(!responder)return element;var actualEventName=_getDOMEventName(eventName);if(eventName.include(':')){if(element.removeEventListener)
element.removeEventListener("dataavailable",responder,false);else{element.detachEvent("ondataavailable",responder);element.detachEvent("onfilterchange",responder);}}else{if(element.removeEventListener)
element.removeEventListener(actualEventName,responder,false);else
element.detachEvent('on'+actualEventName,responder);}
registry.set(eventName,responders.without(responder));return element;}
function fire(element,eventName,memo,bubble){element=$(element);if(Object.isUndefined(bubble))
bubble=true;if(element==document&&document.createEvent&&!element.dispatchEvent)
element=document.documentElement;var event;if(document.createEvent){event=document.createEvent('HTMLEvents');event.initEvent('dataavailable',true,true);}else{event=document.createEventObject();event.eventType=bubble?'ondataavailable':'onfilterchange';}
event.eventName=eventName;event.memo=memo||{};if(document.createEvent)
element.dispatchEvent(event);else
element.fireEvent(event.eventType,event);return Event.extend(event);}
Object.extend(Event,Event.Methods);Object.extend(Event,{fire:fire,observe:observe,stopObserving:stopObserving});Element.addMethods({fire:fire,observe:observe,stopObserving:stopObserving});Object.extend(document,{fire:fire.methodize(),observe:observe.methodize(),stopObserving:stopObserving.methodize(),loaded:false});if(window.Event)Object.extend(window.Event,Event);else window.Event=Event;})();(function(){var timer;function fireContentLoadedEvent(){if(document.loaded)return;if(timer)window.clearTimeout(timer);document.loaded=true;document.fire('dom:loaded');}
function checkReadyState(){if(document.readyState==='complete'){document.stopObserving('readystatechange',checkReadyState);fireContentLoadedEvent();}}
function pollDoScroll(){try{document.documentElement.doScroll('left');}
catch(e){timer=pollDoScroll.defer();return;}
fireContentLoadedEvent();}
if(document.addEventListener){document.addEventListener('DOMContentLoaded',fireContentLoadedEvent,false);}else{document.observe('readystatechange',checkReadyState);if(window==top)
timer=pollDoScroll.defer();}
Event.observe(window,'load',fireContentLoadedEvent);})();Element.addMethods();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);









































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































/*  Prototype JavaScript framework, version 1.7
* (c) 2005-2010 Sam Stephenson
*
* Prototype is freely distributable under the terms of an MIT-style license.
* For details, see the Prototype web site: http://www.prototypejs.org/
*
*--------------------------------------------------------------------------*/

var Prototype = {

Version: '1.7',

Browser: (function(){
var ua = navigator.userAgent;
var isOpera = Object.prototype.toString.call(window.opera) == '[object Opera]';
return {
IE: !!window.attachEvent && !isOpera,
Opera: isOpera,
WebKit: ua.indexOf('AppleWebKit/') > -1,
Gecko: ua.indexOf('Gecko') > -1 && ua.indexOf('KHTML') === -1,
MobileSafari: /Apple.*Mobile/.test(ua)
}
})(),

BrowserFeatures: {
XPath: !!document.evaluate,

SelectorsAPI: !!document.querySelector,

ElementExtensions: (function() {
var constructor = window.Element || window.HTMLElement;
return !!(constructor && constructor.prototype);
})(),
SpecificElementExtensions: (function() {
if (typeof window.HTMLDivElement !== 'undefined')
return true;

var div = document.createElement('div'),
form = document.createElement('form'),
isSupported = false;

if (div['__proto__'] && (div['__proto__'] !== form['__proto__'])) {
isSupported = true;
}

div = form = null;

return isSupported;
})()
},

ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',
JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,

emptyFunction: function() { },

K: function(x) { return x }
};

if (Prototype.Browser.MobileSafari)
Prototype.BrowserFeatures.SpecificElementExtensions = false;
/* Based on Alex Arnell's inheritance implementation. */

var Class = (function() {

var IS_DONTENUM_BUGGY = (function(){
for (var p in { toString: 1 }) {
if (p === 'toString') return false;
}
return true;
})();

function subclass() {};
function create() {
var parent = null, properties = $A(arguments);
if (Object.isFunction(properties[0]))
parent = properties.shift();

function klass() {
this.initialize.apply(this, arguments);
}

Object.extend(klass, Class.Methods);
klass.superclass = parent;
klass.subclasses = [];

if (parent) {
subclass.prototype = parent.prototype;
klass.prototype = new subclass;
parent.subclasses.push(klass);
}

for (var i = 0, length = properties.length; i < length; i++)
klass.addMethods(properties[i]);

if (!klass.prototype.initialize)
klass.prototype.initialize = Prototype.emptyFunction;

klass.prototype.constructor = klass;
return klass;
}

function addMethods(source) {
var ancestor = this.superclass && this.superclass.prototype,
properties = Object.keys(source);

if (IS_DONTENUM_BUGGY) {
if (source.toString != Object.prototype.toString)
properties.push("toString");
if (source.valueOf != Object.prototype.valueOf)
properties.push("valueOf");
}

for (var i = 0, length = properties.length; i < length; i++) {
var property = properties[i], value = source[property];
if (ancestor && Object.isFunction(value) &&
value.argumentNames()[0] == "$super") {
var method = value;
value = (function(m) {
return function() { return ancestor[m].apply(this, arguments); };
})(property).wrap(method);

value.valueOf = method.valueOf.bind(method);
value.toString = method.toString.bind(method);
}
this.prototype[property] = value;
}

return this;
}

return {
create: create,
Methods: {
addMethods: addMethods
}
};
})();
(function() {

var _toString = Object.prototype.toString,
NULL_TYPE = 'Null',
UNDEFINED_TYPE = 'Undefined',
BOOLEAN_TYPE = 'Boolean',
NUMBER_TYPE = 'Number',
STRING_TYPE = 'String',
OBJECT_TYPE = 'Object',
FUNCTION_CLASS = '[object Function]',
BOOLEAN_CLASS = '[object Boolean]',
NUMBER_CLASS = '[object Number]',
STRING_CLASS = '[object String]',
ARRAY_CLASS = '[object Array]',
DATE_CLASS = '[object Date]',
NATIVE_JSON_STRINGIFY_SUPPORT = window.JSON &&
typeof JSON.stringify === 'function' &&
JSON.stringify(0) === '0' &&
typeof JSON.stringify(Prototype.K) === 'undefined';

function Type(o) {
switch(o) {
case null: return NULL_TYPE;
case (void 0): return UNDEFINED_TYPE;
}
var type = typeof o;
switch(type) {
case 'boolean': return BOOLEAN_TYPE;
case 'number': return NUMBER_TYPE;
case 'string': return STRING_TYPE;
}
return OBJECT_TYPE;
}

function extend(destination, source) {
for (var property in source)
destination[property] = source[property];
return destination;
}

function inspect(object) {
try {
if (isUndefined(object)) return 'undefined';
if (object === null) return 'null';
return object.inspect ? object.inspect() : String(object);
} catch (e) {
if (e instanceof RangeError) return '...';
throw e;
}
}

function toJSON(value) {
return Str('', { '': value }, []);
}

function Str(key, holder, stack) {
var value = holder[key],
type = typeof value;

if (Type(value) === OBJECT_TYPE && typeof value.toJSON === 'function') {
value = value.toJSON(key);
}

var _class = _toString.call(value);

switch (_class) {
case NUMBER_CLASS:
case BOOLEAN_CLASS:
case STRING_CLASS:
value = value.valueOf();
}

switch (value) {
case null: return 'null';
case true: return 'true';
case false: return 'false';
}

type = typeof value;
switch (type) {
case 'string':
return value.inspect(true);
case 'number':
return isFinite(value) ? String(value) : 'null';
case 'object':

for (var i = 0, length = stack.length; i < length; i++) {
if (stack[i] === value) { throw new TypeError(); }
}
stack.push(value);

var partial = [];
if (_class === ARRAY_CLASS) {
for (var i = 0, length = value.length; i < length; i++) {
var str = Str(i, value, stack);
partial.push(typeof str === 'undefined' ? 'null' : str);
}
partial = '[' + partial.join(',') + ']';
} else {
var keys = Object.keys(value);
for (var i = 0, length = keys.length; i < length; i++) {
var key = keys[i], str = Str(key, value, stack);
if (typeof str !== "undefined") {
partial.push(key.inspect(true)+ ':' + str);
}
}
partial = '{' + partial.join(',') + '}';
}
stack.pop();
return partial;
}
}

function stringify(object) {
return JSON.stringify(object);
}

function toQueryString(object) {
return $H(object).toQueryString();
}

function toHTML(object) {
return object && object.toHTML ? object.toHTML() : String.interpret(object);
}

function keys(object) {
if (Type(object) !== OBJECT_TYPE) { throw new TypeError(); }
var results = [];
for (var property in object) {
if (object.hasOwnProperty(property)) {
results.push(property);
}
}
return results;
}

function values(object) {
var results = [];
for (var property in object)
results.push(object[property]);
return results;
}

function clone(object) {
return extend({ }, object);
}

function isElement(object) {
return !!(object && object.nodeType == 1);
}

function isArray(object) {
return _toString.call(object) === ARRAY_CLASS;
}

var hasNativeIsArray = (typeof Array.isArray == 'function')
&& Array.isArray([]) && !Array.isArray({});

if (hasNativeIsArray) {
isArray = Array.isArray;
}

function isHash(object) {
return object instanceof Hash;
}

function isFunction(object) {
return _toString.call(object) === FUNCTION_CLASS;
}

function isString(object) {
return _toString.call(object) === STRING_CLASS;
}

function isNumber(object) {
return _toString.call(object) === NUMBER_CLASS;
}

function isDate(object) {
return _toString.call(object) === DATE_CLASS;
}

function isUndefined(object) {
return typeof object === "undefined";
}

extend(Object, {
extend: extend,
inspect: inspect,
toJSON: NATIVE_JSON_STRINGIFY_SUPPORT ? stringify : toJSON,
toQueryString: toQueryString,
toHTML: toHTML,
keys: Object.keys || keys,
values: values,
clone: clone,
isElement: isElement,
isArray: isArray,
isHash: isHash,
isFunction: isFunction,
isString: isString,
isNumber: isNumber,
isDate: isDate,
isUndefined: isUndefined
});
})();
Object.extend(Function.prototype, (function() {
var slice = Array.prototype.slice;

function update(array, args) {
var arrayLength = array.length, length = args.length;
while (length--) array[arrayLength + length] = args[length];
return array;
}

function merge(array, args) {
array = slice.call(array, 0);
return update(array, args);
}

function argumentNames() {
var names = this.toString().match(/^[\s\(]*function[^(]*\(([^)]*)\)/)[1]
.replace(/\/\/.*?[\r\n]|\/\*(?:.|[\r\n])*?\*\//g, '')
.replace(/\s+/g, '').split(',');
return names.length == 1 && !names[0] ? [] : names;
}

function bind(context) {
if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
var __method = this, args = slice.call(arguments, 1);
return function() {
var a = merge(args, arguments);
return __method.apply(context, a);
}
}

function bindAsEventListener(context) {
var __method = this, args = slice.call(arguments, 1);
return function(event) {
var a = update([event || window.event], args);
return __method.apply(context, a);
}
}

function curry() {
if (!arguments.length) return this;
var __method = this, args = slice.call(arguments, 0);
return function() {
var a = merge(args, arguments);
return __method.apply(this, a);
}
}

function delay(timeout) {
var __method = this, args = slice.call(arguments, 1);
timeout = timeout * 1000;
return window.setTimeout(function() {
return __method.apply(__method, args);
}, timeout);
}

function defer() {
var args = update([0.01], arguments);
return this.delay.apply(this, args);
}

function wrap(wrapper) {
var __method = this;
return function() {
var a = update([__method.bind(this)], arguments);
return wrapper.apply(this, a);
}
}

function methodize() {
if (this._methodized) return this._methodized;
var __method = this;
return this._methodized = function() {
var a = update([this], arguments);
return __method.apply(null, a);
};
}

return {
argumentNames: argumentNames,
bind: bind,
bindAsEventListener: bindAsEventListener,
curry: curry,
delay: delay,
defer: defer,
wrap: wrap,
methodize: methodize
}
})());



(function(proto) {


function toISOString() {
return this.getUTCFullYear() + '-' +
(this.getUTCMonth() + 1).toPaddedString(2) + '-' +
this.getUTCDate().toPaddedString(2) + 'T' +
this.getUTCHours().toPaddedString(2) + ':' +
this.getUTCMinutes().toPaddedString(2) + ':' +
this.getUTCSeconds().toPaddedString(2) + 'Z';
}


function toJSON() {
return this.toISOString();
}

if (!proto.toISOString) proto.toISOString = toISOString;
if (!proto.toJSON) proto.toJSON = toJSON;

})(Date.prototype);


RegExp.prototype.match = RegExp.prototype.test;

RegExp.escape = function(str) {
return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
};
var PeriodicalExecuter = Class.create({
initialize: function(callback, frequency) {
this.callback = callback;
this.frequency = frequency;
this.currentlyExecuting = false;

this.registerCallback();
},

registerCallback: function() {
this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
},

execute: function() {
this.callback(this);
},

stop: function() {
if (!this.timer) return;
clearInterval(this.timer);
this.timer = null;
},

onTimerEvent: function() {
if (!this.currentlyExecuting) {
try {
this.currentlyExecuting = true;
this.execute();
this.currentlyExecuting = false;
} catch(e) {
this.currentlyExecuting = false;
throw e;
}
}
}
});
Object.extend(String, {
interpret: function(value) {
return value == null ? '' : String(value);
},
specialChar: {
'\b': '\\b',
'\t': '\\t',
'\n': '\\n',
'\f': '\\f',
'\r': '\\r',
'\\': '\\\\'
}
});

Object.extend(String.prototype, (function() {
var NATIVE_JSON_PARSE_SUPPORT = window.JSON &&
typeof JSON.parse === 'function' &&
JSON.parse('{"test": true}').test;

function prepareReplacement(replacement) {
if (Object.isFunction(replacement)) return replacement;
var template = new Template(replacement);
return function(match) { return template.evaluate(match) };
}

function gsub(pattern, replacement) {
var result = '', source = this, match;
replacement = prepareReplacement(replacement);

if (Object.isString(pattern))
pattern = RegExp.escape(pattern);

if (!(pattern.length || pattern.source)) {
replacement = replacement('');
return replacement + source.split('').join(replacement) + replacement;
}

while (source.length > 0) {
if (match = source.match(pattern)) {
result += source.slice(0, match.index);
result += String.interpret(replacement(match));
source = source.slice(match.index + match[0].length);
} else {
result += source, source = '';
}
}
return result;
}

function sub(pattern, replacement, count) {
replacement = prepareReplacement(replacement);
count = Object.isUndefined(count) ? 1 : count;

return this.gsub(pattern, function(match) {
if (--count < 0) return match[0];
return replacement(match);
});
}

function scan(pattern, iterator) {
this.gsub(pattern, iterator);
return String(this);
}

function truncate(length, truncation) {
length = length || 30;
truncation = Object.isUndefined(truncation) ? '...' : truncation;
return this.length > length ?
this.slice(0, length - truncation.length) + truncation : String(this);
}

function strip() {
return this.replace(/^\s+/, '').replace(/\s+$/, '');
}

function stripTags() {
return this.replace(/<\w+(\s+("[^"]*"|'[^']*'|[^>])+)?>|<\/\w+>/gi, '');
}

function stripScripts() {
return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
}

function extractScripts() {
var matchAll = new RegExp(Prototype.ScriptFragment, 'img'),
matchOne = new RegExp(Prototype.ScriptFragment, 'im');
return (this.match(matchAll) || []).map(function(scriptTag) {
return (scriptTag.match(matchOne) || ['', ''])[1];
});
}

function evalScripts() {
return this.extractScripts().map(function(script) { return eval(script) });
}

function escapeHTML() {
return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
}

function unescapeHTML() {
return this.stripTags().replace(/&lt;/g,'<').replace(/&gt;/g,'>').replace(/&amp;/g,'&');
}


function toQueryParams(separator) {
var match = this.strip().match(/([^?#]*)(#.*)?$/);
if (!match) return { };

return match[1].split(separator || '&').inject({ }, function(hash, pair) {
if ((pair = pair.split('='))[0]) {
var key = decodeURIComponent(pair.shift()),
value = pair.length > 1 ? pair.join('=') : pair[0];

if (value != undefined) value = decodeURIComponent(value);

if (key in hash) {
if (!Object.isArray(hash[key])) hash[key] = [hash[key]];
hash[key].push(value);
}
else hash[key] = value;
}
return hash;
});
}

function toArray() {
return this.split('');
}

function succ() {
return this.slice(0, this.length - 1) +
String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
}

function times(count) {
return count < 1 ? '' : new Array(count + 1).join(this);
}

function camelize() {
return this.replace(/-+(.)?/g, function(match, chr) {
return chr ? chr.toUpperCase() : '';
});
}

function capitalize() {
return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
}

function underscore() {
return this.replace(/::/g, '/')
.replace(/([A-Z]+)([A-Z][a-z])/g, '$1_$2')
.replace(/([a-z\d])([A-Z])/g, '$1_$2')
.replace(/-/g, '_')
.toLowerCase();
}

function dasherize() {
return this.replace(/_/g, '-');
}

function inspect(useDoubleQuotes) {
var escapedString = this.replace(/[\x00-\x1f\\]/g, function(character) {
if (character in String.specialChar) {
return String.specialChar[character];
}
return '\\u00' + character.charCodeAt().toPaddedString(2, 16);
});
if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
return "'" + escapedString.replace(/'/g, '\\\'') + "'";
}

function unfilterJSON(filter) {
return this.replace(filter || Prototype.JSONFilter, '$1');
}

function isJSON() {
var str = this;
if (str.blank()) return false;
str = str.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@');
str = str.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']');
str = str.replace(/(?:^|:|,)(?:\s*\[)+/g, '');
return (/^[\],:{}\s]*$/).test(str);
}

function evalJSON(sanitize) {
var json = this.unfilterJSON(),
cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
if (cx.test(json)) {
json = json.replace(cx, function (a) {
return '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
});
}
try {
if (!sanitize || json.isJSON()) return eval('(' + json + ')');
} catch (e) { }
throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
}

function parseJSON() {
var json = this.unfilterJSON();
return JSON.parse(json);
}

function include(pattern) {
return this.indexOf(pattern) > -1;
}

function startsWith(pattern) {
return this.lastIndexOf(pattern, 0) === 0;
}

function endsWith(pattern) {
var d = this.length - pattern.length;
return d >= 0 && this.indexOf(pattern, d) === d;
}

function empty() {
return this == '';
}

function blank() {
return /^\s*$/.test(this);
}

function interpolate(object, pattern) {
return new Template(this, pattern).evaluate(object);
}

return {
gsub: gsub,
sub: sub,
scan: scan,
truncate: truncate,
strip: String.prototype.trim || strip,
stripTags: stripTags,
stripScripts: stripScripts,
extractScripts: extractScripts,
evalScripts: evalScripts,
escapeHTML: escapeHTML,
unescapeHTML: unescapeHTML,
toQueryParams: toQueryParams,
parseQuery: toQueryParams,
toArray: toArray,
succ: succ,
times: times,
camelize: camelize,
capitalize: capitalize,
underscore: underscore,
dasherize: dasherize,
inspect: inspect,
unfilterJSON: unfilterJSON,
isJSON: isJSON,
evalJSON: NATIVE_JSON_PARSE_SUPPORT ? parseJSON : evalJSON,
include: include,
startsWith: startsWith,
endsWith: endsWith,
empty: empty,
blank: blank,
interpolate: interpolate
};
})());

var Template = Class.create({
initialize: function(template, pattern) {
this.template = template.toString();
this.pattern = pattern || Template.Pattern;
},

evaluate: function(object) {
if (object && Object.isFunction(object.toTemplateReplacements))
object = object.toTemplateReplacements();

return this.template.gsub(this.pattern, function(match) {
if (object == null) return (match[1] + '');

var before = match[1] || '';
if (before == '\\') return match[2];

var ctx = object, expr = match[3],
pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;

match = pattern.exec(expr);
if (match == null) return before;

while (match != null) {
var comp = match[1].startsWith('[') ? match[2].replace(/\\\\]/g, ']') : match[1];
ctx = ctx[comp];
if (null == ctx || '' == match[3]) break;
expr = expr.substring('[' == match[3] ? match[1].length : match[0].length);
match = pattern.exec(expr);
}

return before + String.interpret(ctx);
});
}
});
Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;

var $break = { };

var Enumerable = (function() {
function each(iterator, context) {
var index = 0;
try {
this._each(function(value) {
iterator.call(context, value, index++);
});
} catch (e) {
if (e != $break) throw e;
}
return this;
}

function eachSlice(number, iterator, context) {
var index = -number, slices = [], array = this.toArray();
if (number < 1) return array;
while ((index += number) < array.length)
slices.push(array.slice(index, index+number));
return slices.collect(iterator, context);
}

function all(iterator, context) {
iterator = iterator || Prototype.K;
var result = true;
this.each(function(value, index) {
result = result && !!iterator.call(context, value, index);
if (!result) throw $break;
});
return result;
}

function any(iterator, context) {
iterator = iterator || Prototype.K;
var result = false;
this.each(function(value, index) {
if (result = !!iterator.call(context, value, index))
throw $break;
});
return result;
}

function collect(iterator, context) {
iterator = iterator || Prototype.K;
var results = [];
this.each(function(value, index) {
results.push(iterator.call(context, value, index));
});
return results;
}

function detect(iterator, context) {
var result;
this.each(function(value, index) {
if (iterator.call(context, value, index)) {
result = value;
throw $break;
}
});
return result;
}

function findAll(iterator, context) {
var results = [];
this.each(function(value, index) {
if (iterator.call(context, value, index))
results.push(value);
});
return results;
}

function grep(filter, iterator, context) {
iterator = iterator || Prototype.K;
var results = [];

if (Object.isString(filter))
filter = new RegExp(RegExp.escape(filter));

this.each(function(value, index) {
if (filter.match(value))
results.push(iterator.call(context, value, index));
});
return results;
}

function include(object) {
if (Object.isFunction(this.indexOf))
if (this.indexOf(object) != -1) return true;

var found = false;
this.each(function(value) {
if (value == object) {
found = true;
throw $break;
}
});
return found;
}

function inGroupsOf(number, fillWith) {
fillWith = Object.isUndefined(fillWith) ? null : fillWith;
return this.eachSlice(number, function(slice) {
while(slice.length < number) slice.push(fillWith);
return slice;
});
}

function inject(memo, iterator, context) {
this.each(function(value, index) {
memo = iterator.call(context, memo, value, index);
});
return memo;
}

function invoke(method) {
var args = $A(arguments).slice(1);
return this.map(function(value) {
return value[method].apply(value, args);
});
}

function max(iterator, context) {
iterator = iterator || Prototype.K;
var result;
this.each(function(value, index) {
value = iterator.call(context, value, index);
if (result == null || value >= result)
result = value;
});
return result;
}

function min(iterator, context) {
iterator = iterator || Prototype.K;
var result;
this.each(function(value, index) {
value = iterator.call(context, value, index);
if (result == null || value < result)
result = value;
});
return result;
}

function partition(iterator, context) {
iterator = iterator || Prototype.K;
var trues = [], falses = [];
this.each(function(value, index) {
(iterator.call(context, value, index) ?
trues : falses).push(value);
});
return [trues, falses];
}

function pluck(property) {
var results = [];
this.each(function(value) {
results.push(value[property]);
});
return results;
}

function reject(iterator, context) {
var results = [];
this.each(function(value, index) {
if (!iterator.call(context, value, index))
results.push(value);
});
return results;
}

function sortBy(iterator, context) {
return this.map(function(value, index) {
return {
value: value,
criteria: iterator.call(context, value, index)
};
}).sort(function(left, right) {
var a = left.criteria, b = right.criteria;
return a < b ? -1 : a > b ? 1 : 0;
}).pluck('value');
}

function toArray() {
return this.map();
}

function zip() {
var iterator = Prototype.K, args = $A(arguments);
if (Object.isFunction(args.last()))
iterator = args.pop();

var collections = [this].concat(args).map($A);
return this.map(function(value, index) {
return iterator(collections.pluck(index));
});
}

function size() {
return this.toArray().length;
}

function inspect() {
return '#<Enumerable:' + this.toArray().inspect() + '>';
}









return {
each: each,
eachSlice: eachSlice,
all: all,
every: all,
any: any,
some: any,
collect: collect,
map: collect,
detect: detect,
findAll: findAll,
select: findAll,
filter: findAll,
grep: grep,
include: include,
member: include,
inGroupsOf: inGroupsOf,
inject: inject,
invoke: invoke,
max: max,
min: min,
partition: partition,
pluck: pluck,
reject: reject,
sortBy: sortBy,
toArray: toArray,
entries: toArray,
zip: zip,
size: size,
inspect: inspect,
find: detect
};
})();

function $A(iterable) {
if (!iterable) return [];
if ('toArray' in Object(iterable)) return iterable.toArray();
var length = iterable.length || 0, results = new Array(length);
while (length--) results[length] = iterable[length];
return results;
}


function $w(string) {
if (!Object.isString(string)) return [];
string = string.strip();
return string ? string.split(/\s+/) : [];
}

Array.from = $A;


(function() {
var arrayProto = Array.prototype,
slice = arrayProto.slice,
_each = arrayProto.forEach; // use native browser JS 1.6 implementation if available

function each(iterator, context) {
for (var i = 0, length = this.length >>> 0; i < length; i++) {
if (i in this) iterator.call(context, this[i], i, this);
}
}
if (!_each) _each = each;

function clear() {
this.length = 0;
return this;
}

function first() {
return this[0];
}

function last() {
return this[this.length - 1];
}

function compact() {
return this.select(function(value) {
return value != null;
});
}

function flatten() {
return this.inject([], function(array, value) {
if (Object.isArray(value))
return array.concat(value.flatten());
array.push(value);
return array;
});
}

function without() {
var values = slice.call(arguments, 0);
return this.select(function(value) {
return !values.include(value);
});
}

function reverse(inline) {
return (inline === false ? this.toArray() : this)._reverse();
}

function uniq(sorted) {
return this.inject([], function(array, value, index) {
if (0 == index || (sorted ? array.last() != value : !array.include(value)))
array.push(value);
return array;
});
}

function intersect(array) {
return this.uniq().findAll(function(item) {
return array.detect(function(value) { return item === value });
});
}


function clone() {
return slice.call(this, 0);
}

function size() {
return this.length;
}

function inspect() {
return '[' + this.map(Object.inspect).join(', ') + ']';
}

function indexOf(item, i) {
i || (i = 0);
var length = this.length;
if (i < 0) i = length + i;
for (; i < length; i++)
if (this[i] === item) return i;
return -1;
}

function lastIndexOf(item, i) {
i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1;
var n = this.slice(0, i).reverse().indexOf(item);
return (n < 0) ? n : i - n - 1;
}

function concat() {
var array = slice.call(this, 0), item;
for (var i = 0, length = arguments.length; i < length; i++) {
item = arguments[i];
if (Object.isArray(item) && !('callee' in item)) {
for (var j = 0, arrayLength = item.length; j < arrayLength; j++)
array.push(item[j]);
} else {
array.push(item);
}
}
return array;
}

Object.extend(arrayProto, Enumerable);

if (!arrayProto._reverse)
arrayProto._reverse = arrayProto.reverse;

Object.extend(arrayProto, {
_each: _each,
clear: clear,
first: first,
last: last,
compact: compact,
flatten: flatten,
without: without,
reverse: reverse,
uniq: uniq,
intersect: intersect,
clone: clone,
toArray: clone,
size: size,
inspect: inspect
});

var CONCAT_ARGUMENTS_BUGGY = (function() {
return [].concat(arguments)[0][0] !== 1;
})(1,2)

if (CONCAT_ARGUMENTS_BUGGY) arrayProto.concat = concat;

if (!arrayProto.indexOf) arrayProto.indexOf = indexOf;
if (!arrayProto.lastIndexOf) arrayProto.lastIndexOf = lastIndexOf;
})();
function $H(object) {
return new Hash(object);
};

var Hash = Class.create(Enumerable, (function() {
function initialize(object) {
this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
}


function _each(iterator) {
for (var key in this._object) {
var value = this._object[key], pair = [key, value];
pair.key = key;
pair.value = value;
iterator(pair);
}
}

function set(key, value) {
return this._object[key] = value;
}

function get(key) {
if (this._object[key] !== Object.prototype[key])
return this._object[key];
}

function unset(key) {
var value = this._object[key];
delete this._object[key];
return value;
}

function toObject() {
return Object.clone(this._object);
}



function keys() {
return this.pluck('key');
}

function values() {
return this.pluck('value');
}

function index(value) {
var match = this.detect(function(pair) {
return pair.value === value;
});
return match && match.key;
}

function merge(object) {
return this.clone().update(object);
}

function update(object) {
return new Hash(object).inject(this, function(result, pair) {
result.set(pair.key, pair.value);
return result;
});
}

function toQueryPair(key, value) {
if (Object.isUndefined(value)) return key;
return key + '=' + encodeURIComponent(String.interpret(value));
}

function toQueryString() {
return this.inject([], function(results, pair) {
var key = encodeURIComponent(pair.key), values = pair.value;

if (values && typeof values == 'object') {
if (Object.isArray(values)) {
var queryValues = [];
for (var i = 0, len = values.length, value; i < len; i++) {
value = values[i];
queryValues.push(toQueryPair(key, value));
}
return results.concat(queryValues);
}
} else results.push(toQueryPair(key, values));
return results;
}).join('&');
}

function inspect() {
return '#<Hash:{' + this.map(function(pair) {
return pair.map(Object.inspect).join(': ');
}).join(', ') + '}>';
}

function clone() {
return new Hash(this);
}

return {
initialize: initialize,
_each: _each,
set: set,
get: get,
unset: unset,
toObject: toObject,
toTemplateReplacements: toObject,
keys: keys,
values: values,
index: index,
merge: merge,
update: update,
toQueryString: toQueryString,
inspect: inspect,
toJSON: toObject,
clone: clone
};
})());

Hash.from = $H;
Object.extend(Number.prototype, (function() {
function toColorPart() {
return this.toPaddedString(2, 16);
}

function succ() {
return this + 1;
}

function times(iterator, context) {
$R(0, this, true).each(iterator, context);
return this;
}

function toPaddedString(length, radix) {
var string = this.toString(radix || 10);
return '0'.times(length - string.length) + string;
}

function abs() {
return Math.abs(this);
}

function round() {
return Math.round(this);
}

function ceil() {
return Math.ceil(this);
}

function floor() {
return Math.floor(this);
}

return {
toColorPart: toColorPart,
succ: succ,
times: times,
toPaddedString: toPaddedString,
abs: abs,
round: round,
ceil: ceil,
floor: floor
};
})());

function $R(start, end, exclusive) {
return new ObjectRange(start, end, exclusive);
}

var ObjectRange = Class.create(Enumerable, (function() {
function initialize(start, end, exclusive) {
this.start = start;
this.end = end;
this.exclusive = exclusive;
}

function _each(iterator) {
var value = this.start;
while (this.include(value)) {
iterator(value);
value = value.succ();
}
}

function include(value) {
if (value < this.start)
return false;
if (this.exclusive)
return value < this.end;
return value <= this.end;
}

return {
initialize: initialize,
_each: _each,
include: include
};
})());



var Abstract = { };


var Try = {
these: function() {
var returnValue;

for (var i = 0, length = arguments.length; i < length; i++) {
var lambda = arguments[i];
try {
returnValue = lambda();
break;
} catch (e) { }
}

return returnValue;
}
};

var Ajax = {
getTransport: function() {
return Try.these(
function() {return new XMLHttpRequest()},
function() {return new ActiveXObject('Msxml2.XMLHTTP')},
function() {return new ActiveXObject('Microsoft.XMLHTTP')}
) || false;
},

activeRequestCount: 0
};

Ajax.Responders = {
responders: [],

_each: function(iterator) {
this.responders._each(iterator);
},

register: function(responder) {
if (!this.include(responder))
this.responders.push(responder);
},

unregister: function(responder) {
this.responders = this.responders.without(responder);
},

dispatch: function(callback, request, transport, json) {
this.each(function(responder) {
if (Object.isFunction(responder[callback])) {
try {
responder[callback].apply(responder, [request, transport, json]);
} catch (e) { }
}
});
}
};

Object.extend(Ajax.Responders, Enumerable);

Ajax.Responders.register({
onCreate: function() { Ajax.activeRequestCount++ },
onComplete: function() { Ajax.activeRequestCount-- }
});
Ajax.Base = Class.create({
initialize: function(options) {
this.options = {
method: 'post',
asynchronous: true,
contentType: 'application/x-www-form-urlencoded',
encoding: 'UTF-8',
parameters: '',
evalJSON: true,
evalJS: true
};
Object.extend(this.options, options || { });

this.options.method = this.options.method.toLowerCase();

if (Object.isHash(this.options.parameters))
this.options.parameters = this.options.parameters.toObject();
}
});
Ajax.Request = Class.create(Ajax.Base, {
_complete: false,

initialize: function($super, url, options) {
$super(options);
this.transport = Ajax.getTransport();
this.request(url);
},

request: function(url) {
this.url = url;
this.method = this.options.method;
var params = Object.isString(this.options.parameters) ?
this.options.parameters :
Object.toQueryString(this.options.parameters);

if (!['get', 'post'].include(this.method)) {
params += (params ? '&' : '') + "_method=" + this.method;
this.method = 'post';
}

if (params && this.method === 'get') {
this.url += (this.url.include('?') ? '&' : '?') + params;
}

this.parameters = params.toQueryParams();

try {
var response = new Ajax.Response(this);
if (this.options.onCreate) this.options.onCreate(response);
Ajax.Responders.dispatch('onCreate', this, response);

this.transport.open(this.method.toUpperCase(), this.url,
this.options.asynchronous);

if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);

this.transport.onreadystatechange = this.onStateChange.bind(this);
this.setRequestHeaders();

this.body = this.method == 'post' ? (this.options.postBody || params) : null;
this.transport.send(this.body);

/* Force Firefox to handle ready state 4 for synchronous requests */
if (!this.options.asynchronous && this.transport.overrideMimeType)
this.onStateChange();

}
catch (e) {
this.dispatchException(e);
}
},

onStateChange: function() {
var readyState = this.transport.readyState;
if (readyState > 1 && !((readyState == 4) && this._complete))
this.respondToReadyState(this.transport.readyState);
},

setRequestHeaders: function() {
var headers = {
'X-Requested-With': 'XMLHttpRequest',
'X-Prototype-Version': Prototype.Version,
'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
};

if (this.method == 'post') {
headers['Content-type'] = this.options.contentType +
(this.options.encoding ? '; charset=' + this.options.encoding : '');

/* Force "Connection: close" for older Mozilla browsers to work
* around a bug where XMLHttpRequest sends an incorrect
* Content-length header. See Mozilla Bugzilla #246651.
*/
if (this.transport.overrideMimeType &&
(navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
headers['Connection'] = 'close';
}

if (typeof this.options.requestHeaders == 'object') {
var extras = this.options.requestHeaders;

if (Object.isFunction(extras.push))
for (var i = 0, length = extras.length; i < length; i += 2)
headers[extras[i]] = extras[i+1];
else
$H(extras).each(function(pair) { headers[pair.key] = pair.value });
}

for (var name in headers)
this.transport.setRequestHeader(name, headers[name]);
},

success: function() {
var status = this.getStatus();
return !status || (status >= 200 && status < 300) || status == 304;
},

getStatus: function() {
try {
if (this.transport.status === 1223) return 204;
return this.transport.status || 0;
} catch (e) { return 0 }
},

respondToReadyState: function(readyState) {
var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);

if (state == 'Complete') {
try {
this._complete = true;
(this.options['on' + response.status]
|| this.options['on' + (this.success() ? 'Success' : 'Failure')]
|| Prototype.emptyFunction)(response, response.headerJSON);
} catch (e) {
this.dispatchException(e);
}

var contentType = response.getHeader('Content-type');
if (this.options.evalJS == 'force'
|| (this.options.evalJS && this.isSameOrigin() && contentType
&& contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
this.evalResponse();
}

try {
(this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON);
Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON);
} catch (e) {
this.dispatchException(e);
}

if (state == 'Complete') {
this.transport.onreadystatechange = Prototype.emptyFunction;
}
},

isSameOrigin: function() {
var m = this.url.match(/^\s*https?:\/\/[^\/]*/);
return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({
protocol: location.protocol,
domain: document.domain,
port: location.port ? ':' + location.port : ''
}));
},

getHeader: function(name) {
try {
return this.transport.getResponseHeader(name) || null;
} catch (e) { return null; }
},

evalResponse: function() {
try {
return eval((this.transport.responseText || '').unfilterJSON());
} catch (e) {
this.dispatchException(e);
}
},

dispatchException: function(exception) {
(this.options.onException || Prototype.emptyFunction)(this, exception);
Ajax.Responders.dispatch('onException', this, exception);
}
});

Ajax.Request.Events =
['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];








Ajax.Response = Class.create({
initialize: function(request){
this.request = request;
var transport = this.transport = request.transport,
readyState = this.readyState = transport.readyState;

if ((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) {
this.status = this.getStatus();
this.statusText = this.getStatusText();
this.responseText = String.interpret(transport.responseText);
this.headerJSON = this._getHeaderJSON();
}

if (readyState == 4) {
var xml = transport.responseXML;
this.responseXML = Object.isUndefined(xml) ? null : xml;
this.responseJSON = this._getResponseJSON();
}
},

status: 0,

statusText: '',

getStatus: Ajax.Request.prototype.getStatus,

getStatusText: function() {
try {
return this.transport.statusText || '';
} catch (e) { return '' }
},

getHeader: Ajax.Request.prototype.getHeader,

getAllHeaders: function() {
try {
return this.getAllResponseHeaders();
} catch (e) { return null }
},

getResponseHeader: function(name) {
return this.transport.getResponseHeader(name);
},

getAllResponseHeaders: function() {
return this.transport.getAllResponseHeaders();
},

_getHeaderJSON: function() {
var json = this.getHeader('X-JSON');
if (!json) return null;
json = decodeURIComponent(escape(json));
try {
return json.evalJSON(this.request.options.sanitizeJSON ||
!this.request.isSameOrigin());
} catch (e) {
this.request.dispatchException(e);
}
},

_getResponseJSON: function() {
var options = this.request.options;
if (!options.evalJSON || (options.evalJSON != 'force' &&
!(this.getHeader('Content-type') || '').include('application/json')) ||
this.responseText.blank())
return null;
try {
return this.responseText.evalJSON(options.sanitizeJSON ||
!this.request.isSameOrigin());
} catch (e) {
this.request.dispatchException(e);
}
}
});

Ajax.Updater = Class.create(Ajax.Request, {
initialize: function($super, container, url, options) {
this.container = {
success: (container.success || container),
failure: (container.failure || (container.success ? null : container))
};

options = Object.clone(options);
var onComplete = options.onComplete;
options.onComplete = (function(response, json) {
this.updateContent(response.responseText);
if (Object.isFunction(onComplete)) onComplete(response, json);
}).bind(this);

$super(url, options);
},

updateContent: function(responseText) {
var receiver = this.container[this.success() ? 'success' : 'failure'],
options = this.options;

if (!options.evalScripts) responseText = responseText.stripScripts();

if (receiver = $(receiver)) {
if (options.insertion) {
if (Object.isString(options.insertion)) {
var insertion = { }; insertion[options.insertion] = responseText;
receiver.insert(insertion);
}
else options.insertion(receiver, responseText);
}
else receiver.update(responseText);
}
}
});

Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
initialize: function($super, container, url, options) {
$super(options);
this.onComplete = this.options.onComplete;

this.frequency = (this.options.frequency || 2);
this.decay = (this.options.decay || 1);

this.updater = { };
this.container = container;
this.url = url;

this.start();
},

start: function() {
this.options.onComplete = this.updateComplete.bind(this);
this.onTimerEvent();
},

stop: function() {
this.updater.options.onComplete = undefined;
clearTimeout(this.timer);
(this.onComplete || Prototype.emptyFunction).apply(this, arguments);
},

updateComplete: function(response) {
if (this.options.decay) {
this.decay = (response.responseText == this.lastText ?
this.decay * this.options.decay : 1);

this.lastText = response.responseText;
}
this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency);
},

onTimerEvent: function() {
this.updater = new Ajax.Updater(this.container, this.url, this.options);
}
});


function $(element) {
if (arguments.length > 1) {
for (var i = 0, elements = [], length = arguments.length; i < length; i++)
elements.push($(arguments[i]));
return elements;
}
if (Object.isString(element))
element = document.getElementById(element);
return Element.extend(element);
}

if (Prototype.BrowserFeatures.XPath) {
document._getElementsByXPath = function(expression, parentElement) {
var results = [];
var query = document.evaluate(expression, $(parentElement) || document,
null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
for (var i = 0, length = query.snapshotLength; i < length; i++)
results.push(Element.extend(query.snapshotItem(i)));
return results;
};
}

/*--------------------------------------------------------------------------*/

if (!Node) var Node = { };

if (!Node.ELEMENT_NODE) {
Object.extend(Node, {
ELEMENT_NODE: 1,
ATTRIBUTE_NODE: 2,
TEXT_NODE: 3,
CDATA_SECTION_NODE: 4,
ENTITY_REFERENCE_NODE: 5,
ENTITY_NODE: 6,
PROCESSING_INSTRUCTION_NODE: 7,
COMMENT_NODE: 8,
DOCUMENT_NODE: 9,
DOCUMENT_TYPE_NODE: 10,
DOCUMENT_FRAGMENT_NODE: 11,
NOTATION_NODE: 12
});
}



(function(global) {
function shouldUseCache(tagName, attributes) {
if (tagName === 'select') return false;
if ('type' in attributes) return false;
return true;
}

var HAS_EXTENDED_CREATE_ELEMENT_SYNTAX = (function(){
try {
var el = document.createElement('<input name="x">');
return el.tagName.toLowerCase() === 'input' && el.name === 'x';
}
catch(err) {
return false;
}
})();

var element = global.Element;

global.Element = function(tagName, attributes) {
attributes = attributes || { };
tagName = tagName.toLowerCase();
var cache = Element.cache;

if (HAS_EXTENDED_CREATE_ELEMENT_SYNTAX && attributes.name) {
tagName = '<' + tagName + ' name="' + attributes.name + '">';
delete attributes.name;
return Element.writeAttribute(document.createElement(tagName), attributes);
}

if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName));

var node = shouldUseCache(tagName, attributes) ?
cache[tagName].cloneNode(false) : document.createElement(tagName);

return Element.writeAttribute(node, attributes);
};

Object.extend(global.Element, element || { });
if (element) global.Element.prototype = element.prototype;

})(this);

Element.idCounter = 1;
Element.cache = { };

Element._purgeElement = function(element) {
var uid = element._prototypeUID;
if (uid) {
Element.stopObserving(element);
element._prototypeUID = void 0;
delete Element.Storage[uid];
}
}

Element.Methods = {
visible: function(element) {
return $(element).style.display != 'none';
},

toggle: function(element) {
element = $(element);
Element[Element.visible(element) ? 'hide' : 'show'](element);
return element;
},

hide: function(element) {
element = $(element);
element.style.display = 'none';
return element;
},

show: function(element) {
element = $(element);
element.style.display = '';
return element;
},

remove: function(element) {
element = $(element);
element.parentNode.removeChild(element);
return element;
},

update: (function(){

var SELECT_ELEMENT_INNERHTML_BUGGY = (function(){
var el = document.createElement("select"),
isBuggy = true;
el.innerHTML = "<option value=\"test\">test</option>";
if (el.options && el.options[0]) {
isBuggy = el.options[0].nodeName.toUpperCase() !== "OPTION";
}
el = null;
return isBuggy;
})();

var TABLE_ELEMENT_INNERHTML_BUGGY = (function(){
try {
var el = document.createElement("table");
if (el && el.tBodies) {
el.innerHTML = "<tbody><tr><td>test</td></tr></tbody>";
var isBuggy = typeof el.tBodies[0] == "undefined";
el = null;
return isBuggy;
}
} catch (e) {
return true;
}
})();

var LINK_ELEMENT_INNERHTML_BUGGY = (function() {
try {
var el = document.createElement('div');
el.innerHTML = "<link>";
var isBuggy = (el.childNodes.length === 0);
el = null;
return isBuggy;
} catch(e) {
return true;
}
})();

var ANY_INNERHTML_BUGGY = SELECT_ELEMENT_INNERHTML_BUGGY ||
TABLE_ELEMENT_INNERHTML_BUGGY || LINK_ELEMENT_INNERHTML_BUGGY;

var SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING = (function () {
var s = document.createElement("script"),
isBuggy = false;
try {
s.appendChild(document.createTextNode(""));
isBuggy = !s.firstChild ||
s.firstChild && s.firstChild.nodeType !== 3;
} catch (e) {
isBuggy = true;
}
s = null;
return isBuggy;
})();


function update(element, content) {
element = $(element);
var purgeElement = Element._purgeElement;

var descendants = element.getElementsByTagName('*'),
i = descendants.length;
while (i--) purgeElement(descendants[i]);

if (content && content.toElement)
content = content.toElement();

if (Object.isElement(content))
return element.update().insert(content);

content = Object.toHTML(content);

var tagName = element.tagName.toUpperCase();

if (tagName === 'SCRIPT' && SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING) {
element.text = content;
return element;
}

if (ANY_INNERHTML_BUGGY) {
if (tagName in Element._insertionTranslations.tags) {
while (element.firstChild) {
element.removeChild(element.firstChild);
}
Element._getContentFromAnonymousElement(tagName, content.stripScripts())
.each(function(node) {
element.appendChild(node)
});
} else if (LINK_ELEMENT_INNERHTML_BUGGY && Object.isString(content) && content.indexOf('<link') > -1) {
while (element.firstChild) {
element.removeChild(element.firstChild);
}
var nodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts(), true);
nodes.each(function(node) { element.appendChild(node) });
}
else {
element.innerHTML = content.stripScripts();
}
}
else {
element.innerHTML = content.stripScripts();
}

content.evalScripts.bind(content).defer();
return element;
}

return update;
})(),

replace: function(element, content) {
element = $(element);
if (content && content.toElement) content = content.toElement();
else if (!Object.isElement(content)) {
content = Object.toHTML(content);
var range = element.ownerDocument.createRange();
range.selectNode(element);
content.evalScripts.bind(content).defer();
content = range.createContextualFragment(content.stripScripts());
}
element.parentNode.replaceChild(content, element);
return element;
},

insert: function(element, insertions) {
element = $(element);

if (Object.isString(insertions) || Object.isNumber(insertions) ||
Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))
insertions = {bottom:insertions};

var content, insert, tagName, childNodes;

for (var position in insertions) {
content = insertions[position];
position = position.toLowerCase();
insert = Element._insertionTranslations[position];

if (content && content.toElement) content = content.toElement();
if (Object.isElement(content)) {
insert(element, content);
continue;
}

content = Object.toHTML(content);

tagName = ((position == 'before' || position == 'after')
? element.parentNode : element).tagName.toUpperCase();

childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts());

if (position == 'top' || position == 'after') childNodes.reverse();
childNodes.each(insert.curry(element));

content.evalScripts.bind(content).defer();
}

return element;
},

wrap: function(element, wrapper, attributes) {
element = $(element);
if (Object.isElement(wrapper))
$(wrapper).writeAttribute(attributes || { });
else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes);
else wrapper = new Element('div', wrapper);
if (element.parentNode)
element.parentNode.replaceChild(wrapper, element);
wrapper.appendChild(element);
return wrapper;
},

inspect: function(element) {
element = $(element);
var result = '<' + element.tagName.toLowerCase();
$H({'id': 'id', 'className': 'class'}).each(function(pair) {
var property = pair.first(),
attribute = pair.last(),
value = (element[property] || '').toString();
if (value) result += ' ' + attribute + '=' + value.inspect(true);
});
return result + '>';
},

recursivelyCollect: function(element, property, maximumLength) {
element = $(element);
maximumLength = maximumLength || -1;
var elements = [];

while (element = element[property]) {
if (element.nodeType == 1)
elements.push(Element.extend(element));
if (elements.length == maximumLength)
break;
}

return elements;
},

ancestors: function(element) {
return Element.recursivelyCollect(element, 'parentNode');
},

descendants: function(element) {
return Element.select(element, "*");
},

firstDescendant: function(element) {
element = $(element).firstChild;
while (element && element.nodeType != 1) element = element.nextSibling;
return $(element);
},

immediateDescendants: function(element) {
var results = [], child = $(element).firstChild;
while (child) {
if (child.nodeType === 1) {
results.push(Element.extend(child));
}
child = child.nextSibling;
}
return results;
},

previousSiblings: function(element, maximumLength) {
return Element.recursivelyCollect(element, 'previousSibling');
},

nextSiblings: function(element) {
return Element.recursivelyCollect(element, 'nextSibling');
},

siblings: function(element) {
element = $(element);
return Element.previousSiblings(element).reverse()
.concat(Element.nextSiblings(element));
},

match: function(element, selector) {
element = $(element);
if (Object.isString(selector))
return Prototype.Selector.match(element, selector);
return selector.match(element);
},

up: function(element, expression, index) {
element = $(element);
if (arguments.length == 1) return $(element.parentNode);
var ancestors = Element.ancestors(element);
return Object.isNumber(expression) ? ancestors[expression] :
Prototype.Selector.find(ancestors, expression, index);
},

down: function(element, expression, index) {
element = $(element);
if (arguments.length == 1) return Element.firstDescendant(element);
return Object.isNumber(expression) ? Element.descendants(element)[expression] :
Element.select(element, expression)[index || 0];
},

previous: function(element, expression, index) {
element = $(element);
if (Object.isNumber(expression)) index = expression, expression = false;
if (!Object.isNumber(index)) index = 0;

if (expression) {
return Prototype.Selector.find(element.previousSiblings(), expression, index);
} else {
return element.recursivelyCollect("previousSibling", index + 1)[index];
}
},

next: function(element, expression, index) {
element = $(element);
if (Object.isNumber(expression)) index = expression, expression = false;
if (!Object.isNumber(index)) index = 0;

if (expression) {
return Prototype.Selector.find(element.nextSiblings(), expression, index);
} else {
var maximumLength = Object.isNumber(index) ? index + 1 : 1;
return element.recursivelyCollect("nextSibling", index + 1)[index];
}
},


select: function(element) {
element = $(element);
var expressions = Array.prototype.slice.call(arguments, 1).join(', ');
return Prototype.Selector.select(expressions, element);
},

adjacent: function(element) {
element = $(element);
var expressions = Array.prototype.slice.call(arguments, 1).join(', ');
return Prototype.Selector.select(expressions, element.parentNode).without(element);
},

identify: function(element) {
element = $(element);
var id = Element.readAttribute(element, 'id');
if (id) return id;
do { id = 'anonymous_element_' + Element.idCounter++ } while ($(id));
Element.writeAttribute(element, 'id', id);
return id;
},

readAttribute: function(element, name) {
element = $(element);
if (Prototype.Browser.IE) {
var t = Element._attributeTranslations.read;
if (t.values[name]) return t.values[name](element, name);
if (t.names[name]) name = t.names[name];
if (name.include(':')) {
return (!element.attributes || !element.attributes[name]) ? null :
element.attributes[name].value;
}
}
return element.getAttribute(name);
},

writeAttribute: function(element, name, value) {
element = $(element);
var attributes = { }, t = Element._attributeTranslations.write;

if (typeof name == 'object') attributes = name;
else attributes[name] = Object.isUndefined(value) ? true : value;

for (var attr in attributes) {
name = t.names[attr] || attr;
value = attributes[attr];
if (t.values[attr]) name = t.values[attr](element, value);
if (value === false || value === null)
element.removeAttribute(name);
else if (value === true)
element.setAttribute(name, name);
else element.setAttribute(name, value);
}
return element;
},

getHeight: function(element) {
return Element.getDimensions(element).height;
},

getWidth: function(element) {
return Element.getDimensions(element).width;
},

classNames: function(element) {
return new Element.ClassNames(element);
},

hasClassName: function(element, className) {
if (!(element = $(element))) return;
var elementClassName = element.className;
return (elementClassName.length > 0 && (elementClassName == className ||
new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName)));
},

addClassName: function(element, className) {
if (!(element = $(element))) return;
if (!Element.hasClassName(element, className))
element.className += (element.className ? ' ' : '') + className;
return element;
},

removeClassName: function(element, className) {
if (!(element = $(element))) return;
element.className = element.className.replace(
new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip();
return element;
},

toggleClassName: function(element, className) {
if (!(element = $(element))) return;
return Element[Element.hasClassName(element, className) ?
'removeClassName' : 'addClassName'](element, className);
},

cleanWhitespace: function(element) {
element = $(element);
var node = element.firstChild;
while (node) {
var nextNode = node.nextSibling;
if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
element.removeChild(node);
node = nextNode;
}
return element;
},

empty: function(element) {
return $(element).innerHTML.blank();
},

descendantOf: function(element, ancestor) {
element = $(element), ancestor = $(ancestor);

if (element.compareDocumentPosition)
return (element.compareDocumentPosition(ancestor) & 8) === 8;

if (ancestor.contains)
return ancestor.contains(element) && ancestor !== element;

while (element = element.parentNode)
if (element == ancestor) return true;

return false;
},

scrollTo: function(element) {
element = $(element);
var pos = Element.cumulativeOffset(element);
window.scrollTo(pos[0], pos[1]);
return element;
},

getStyle: function(element, style) {
element = $(element);
style = style == 'float' ? 'cssFloat' : style.camelize();
var value = element.style[style];
if (!value || value == 'auto') {
var css = document.defaultView.getComputedStyle(element, null);
value = css ? css[style] : null;
}
if (style == 'opacity') return value ? parseFloat(value) : 1.0;
return value == 'auto' ? null : value;
},

getOpacity: function(element) {
return $(element).getStyle('opacity');
},

setStyle: function(element, styles) {
element = $(element);
var elementStyle = element.style, match;
if (Object.isString(styles)) {
element.style.cssText += ';' + styles;
return styles.include('opacity') ?
element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element;
}
for (var property in styles)
if (property == 'opacity') element.setOpacity(styles[property]);
else
elementStyle[(property == 'float' || property == 'cssFloat') ?
(Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') :
property] = styles[property];

return element;
},

setOpacity: function(element, value) {
element = $(element);
element.style.opacity = (value == 1 || value === '') ? '' :
(value < 0.00001) ? 0 : value;
return element;
},

makePositioned: function(element) {
element = $(element);
var pos = Element.getStyle(element, 'position');
if (pos == 'static' || !pos) {
element._madePositioned = true;
element.style.position = 'relative';
if (Prototype.Browser.Opera) {
element.style.top = 0;
element.style.left = 0;
}
}
return element;
},

undoPositioned: function(element) {
element = $(element);
if (element._madePositioned) {
element._madePositioned = undefined;
element.style.position =
element.style.top =
element.style.left =
element.style.bottom =
element.style.right = '';
}
return element;
},

makeClipping: function(element) {
element = $(element);
if (element._overflow) return element;
element._overflow = Element.getStyle(element, 'overflow') || 'auto';
if (element._overflow !== 'hidden')
element.style.overflow = 'hidden';
return element;
},

undoClipping: function(element) {
element = $(element);
if (!element._overflow) return element;
element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
element._overflow = null;
return element;
},

clonePosition: function(element, source) {
var options = Object.extend({
setLeft: true,
setTop: true,
setWidth: true,
setHeight: true,
offsetTop: 0,
offsetLeft: 0
}, arguments[2] || { });

source = $(source);
var p = Element.viewportOffset(source), delta = [0, 0], parent = null;

element = $(element);

if (Element.getStyle(element, 'position') == 'absolute') {
parent = Element.getOffsetParent(element);
delta = Element.viewportOffset(parent);
}

if (parent == document.body) {
delta[0] -= document.body.offsetLeft;
delta[1] -= document.body.offsetTop;
}

if (options.setLeft) element.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px';
if (options.setTop) element.style.top = (p[1] - delta[1] + options.offsetTop) + 'px';
if (options.setWidth) element.style.width = source.offsetWidth + 'px';
if (options.setHeight) element.style.height = source.offsetHeight + 'px';
return element;
}
};

Object.extend(Element.Methods, {
getElementsBySelector: Element.Methods.select,

childElements: Element.Methods.immediateDescendants
});

Element._attributeTranslations = {
write: {
names: {
className: 'class',
htmlFor: 'for'
},
values: { }
}
};

if (Prototype.Browser.Opera) {
Element.Methods.getStyle = Element.Methods.getStyle.wrap(
function(proceed, element, style) {
switch (style) {
case 'height': case 'width':
if (!Element.visible(element)) return null;

var dim = parseInt(proceed(element, style), 10);

if (dim !== element['offset' + style.capitalize()])
return dim + 'px';

var properties;
if (style === 'height') {
properties = ['border-top-width', 'padding-top',
'padding-bottom', 'border-bottom-width'];
}
else {
properties = ['border-left-width', 'padding-left',
'padding-right', 'border-right-width'];
}
return properties.inject(dim, function(memo, property) {
var val = proceed(element, property);
return val === null ? memo : memo - parseInt(val, 10);
}) + 'px';
default: return proceed(element, style);
}
}
);

Element.Methods.readAttribute = Element.Methods.readAttribute.wrap(
function(proceed, element, attribute) {
if (attribute === 'title') return element.title;
return proceed(element, attribute);
}
);
}

else if (Prototype.Browser.IE) {
Element.Methods.getStyle = function(element, style) {
element = $(element);
style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
var value = element.style[style];
if (!value && element.currentStyle) value = element.currentStyle[style];

if (style == 'opacity') {
if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
if (value[1]) return parseFloat(value[1]) / 100;
return 1.0;
}

if (value == 'auto') {
if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))
return element['offset' + style.capitalize()] + 'px';
return null;
}
return value;
};

Element.Methods.setOpacity = function(element, value) {
function stripAlpha(filter){
return filter.replace(/alpha\([^\)]*\)/gi,'');
}
element = $(element);
var currentStyle = element.currentStyle;
if ((currentStyle && !currentStyle.hasLayout) ||
(!currentStyle && element.style.zoom == 'normal'))
element.style.zoom = 1;

var filter = element.getStyle('filter'), style = element.style;
if (value == 1 || value === '') {
(filter = stripAlpha(filter)) ?
style.filter = filter : style.removeAttribute('filter');
return element;
} else if (value < 0.00001) value = 0;
style.filter = stripAlpha(filter) +
'alpha(opacity=' + (value * 100) + ')';
return element;
};

Element._attributeTranslations = (function(){

var classProp = 'className',
forProp = 'for',
el = document.createElement('div');

el.setAttribute(classProp, 'x');

if (el.className !== 'x') {
el.setAttribute('class', 'x');
if (el.className === 'x') {
classProp = 'class';
}
}
el = null;

el = document.createElement('label');
el.setAttribute(forProp, 'x');
if (el.htmlFor !== 'x') {
el.setAttribute('htmlFor', 'x');
if (el.htmlFor === 'x') {
forProp = 'htmlFor';
}
}
el = null;

return {
read: {
names: {
'class': classProp,
'className': classProp,
'for': forProp,
'htmlFor': forProp
},
values: {
_getAttr: function(element, attribute) {
return element.getAttribute(attribute);
},
_getAttr2: function(element, attribute) {
return element.getAttribute(attribute, 2);
},
_getAttrNode: function(element, attribute) {
var node = element.getAttributeNode(attribute);
return node ? node.value : "";
},
_getEv: (function(){

var el = document.createElement('div'), f;
el.onclick = Prototype.emptyFunction;
var value = el.getAttribute('onclick');

if (String(value).indexOf('{') > -1) {
f = function(element, attribute) {
attribute = element.getAttribute(attribute);
if (!attribute) return null;
attribute = attribute.toString();
attribute = attribute.split('{')[1];
attribute = attribute.split('}')[0];
return attribute.strip();
};
}
else if (value === '') {
f = function(element, attribute) {
attribute = element.getAttribute(attribute);
if (!attribute) return null;
return attribute.strip();
};
}
el = null;
return f;
})(),
_flag: function(element, attribute) {
return $(element).hasAttribute(attribute) ? attribute : null;
},
style: function(element) {
return element.style.cssText.toLowerCase();
},
title: function(element) {
return element.title;
}
}
}
}
})();

Element._attributeTranslations.write = {
names: Object.extend({
cellpadding: 'cellPadding',
cellspacing: 'cellSpacing'
}, Element._attributeTranslations.read.names),
values: {
checked: function(element, value) {
element.checked = !!value;
},

style: function(element, value) {
element.style.cssText = value ? value : '';
}
}
};

Element._attributeTranslations.has = {};

$w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +
'encType maxLength readOnly longDesc frameBorder').each(function(attr) {
Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
Element._attributeTranslations.has[attr.toLowerCase()] = attr;
});

(function(v) {
Object.extend(v, {
href: v._getAttr2,
src: v._getAttr2,
type: v._getAttr,
action: v._getAttrNode,
disabled: v._flag,
checked: v._flag,
readonly: v._flag,
multiple: v._flag,
onload: v._getEv,
onunload: v._getEv,
onclick: v._getEv,
ondblclick: v._getEv,
onmousedown: v._getEv,
onmouseup: v._getEv,
onmouseover: v._getEv,
onmousemove: v._getEv,
onmouseout: v._getEv,
onfocus: v._getEv,
onblur: v._getEv,
onkeypress: v._getEv,
onkeydown: v._getEv,
onkeyup: v._getEv,
onsubmit: v._getEv,
onreset: v._getEv,
onselect: v._getEv,
onchange: v._getEv
});
})(Element._attributeTranslations.read.values);

if (Prototype.BrowserFeatures.ElementExtensions) {
(function() {
function _descendants(element) {
var nodes = element.getElementsByTagName('*'), results = [];
for (var i = 0, node; node = nodes[i]; i++)
if (node.tagName !== "!") // Filter out comment nodes.
results.push(node);
return results;
}

Element.Methods.down = function(element, expression, index) {
element = $(element);
if (arguments.length == 1) return element.firstDescendant();
return Object.isNumber(expression) ? _descendants(element)[expression] :
Element.select(element, expression)[index || 0];
}
})();
}

}

else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) {
Element.Methods.setOpacity = function(element, value) {
element = $(element);
element.style.opacity = (value == 1) ? 0.999999 :
(value === '') ? '' : (value < 0.00001) ? 0 : value;
return element;
};
}

else if (Prototype.Browser.WebKit) {
Element.Methods.setOpacity = function(element, value) {
element = $(element);
element.style.opacity = (value == 1 || value === '') ? '' :
(value < 0.00001) ? 0 : value;

if (value == 1)
if (element.tagName.toUpperCase() == 'IMG' && element.width) {
element.width++; element.width--;
} else try {
var n = document.createTextNode(' ');
element.appendChild(n);
element.removeChild(n);
} catch (e) { }

return element;
};
}

if ('outerHTML' in document.documentElement) {
Element.Methods.replace = function(element, content) {
element = $(element);

if (content && content.toElement) content = content.toElement();
if (Object.isElement(content)) {
element.parentNode.replaceChild(content, element);
return element;
}

content = Object.toHTML(content);
var parent = element.parentNode, tagName = parent.tagName.toUpperCase();

if (Element._insertionTranslations.tags[tagName]) {
var nextSibling = element.next(),
fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
parent.removeChild(element);
if (nextSibling)
fragments.each(function(node) { parent.insertBefore(node, nextSibling) });
else
fragments.each(function(node) { parent.appendChild(node) });
}
else element.outerHTML = content.stripScripts();

content.evalScripts.bind(content).defer();
return element;
};
}

Element._returnOffset = function(l, t) {
var result = [l, t];
result.left = l;
result.top = t;
return result;
};

Element._getContentFromAnonymousElement = function(tagName, html, force) {
var div = new Element('div'),
t = Element._insertionTranslations.tags[tagName];

var workaround = false;
if (t) workaround = true;
else if (force) {
workaround = true;
t = ['', '', 0];
}

if (workaround) {
div.innerHTML = '&nbsp;' + t[0] + html + t[1];
div.removeChild(div.firstChild);
for (var i = t[2]; i--; ) {
div = div.firstChild;
}
}
else {
div.innerHTML = html;
}
return $A(div.childNodes);
};

Element._insertionTranslations = {
before: function(element, node) {
element.parentNode.insertBefore(node, element);
},
top: function(element, node) {
element.insertBefore(node, element.firstChild);
},
bottom: function(element, node) {
element.appendChild(node);
},
after: function(element, node) {
element.parentNode.insertBefore(node, element.nextSibling);
},
tags: {
TABLE: ['<table>', '</table>', 1],
TBODY: ['<table><tbody>', '</tbody></table>', 2],
TR: ['<table><tbody><tr>', '</tr></tbody></table>', 3],
TD: ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
SELECT: ['<select>', '</select>', 1]
}
};

(function() {
var tags = Element._insertionTranslations.tags;
Object.extend(tags, {
THEAD: tags.TBODY,
TFOOT: tags.TBODY,
TH: tags.TD
});
})();

Element.Methods.Simulated = {
hasAttribute: function(element, attribute) {
attribute = Element._attributeTranslations.has[attribute] || attribute;
var node = $(element).getAttributeNode(attribute);
return !!(node && node.specified);
}
};

Element.Methods.ByTag = { };

Object.extend(Element, Element.Methods);

(function(div) {

if (!Prototype.BrowserFeatures.ElementExtensions && div['__proto__']) {
window.HTMLElement = { };
window.HTMLElement.prototype = div['__proto__'];
Prototype.BrowserFeatures.ElementExtensions = true;
}

div = null;

})(document.createElement('div'));

Element.extend = (function() {

function checkDeficiency(tagName) {
if (typeof window.Element != 'undefined') {
var proto = window.Element.prototype;
if (proto) {
var id = '_' + (Math.random()+'').slice(2),
el = document.createElement(tagName);
proto[id] = 'x';
var isBuggy = (el[id] !== 'x');
delete proto[id];
el = null;
return isBuggy;
}
}
return false;
}

function extendElementWith(element, methods) {
for (var property in methods) {
var value = methods[property];
if (Object.isFunction(value) && !(property in element))
element[property] = value.methodize();
}
}

var HTMLOBJECTELEMENT_PROTOTYPE_BUGGY = checkDeficiency('object');

if (Prototype.BrowserFeatures.SpecificElementExtensions) {
if (HTMLOBJECTELEMENT_PROTOTYPE_BUGGY) {
return function(element) {
if (element && typeof element._extendedByPrototype == 'undefined') {
var t = element.tagName;
if (t && (/^(?:object|applet|embed)$/i.test(t))) {
extendElementWith(element, Element.Methods);
extendElementWith(element, Element.Methods.Simulated);
extendElementWith(element, Element.Methods.ByTag[t.toUpperCase()]);
}
}
return element;
}
}
return Prototype.K;
}

var Methods = { }, ByTag = Element.Methods.ByTag;

var extend = Object.extend(function(element) {
if (!element || typeof element._extendedByPrototype != 'undefined' ||
element.nodeType != 1 || element == window) return element;

var methods = Object.clone(Methods),
tagName = element.tagName.toUpperCase();

if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);

extendElementWith(element, methods);

element._extendedByPrototype = Prototype.emptyFunction;
return element;

}, {
refresh: function() {
if (!Prototype.BrowserFeatures.ElementExtensions) {
Object.extend(Methods, Element.Methods);
Object.extend(Methods, Element.Methods.Simulated);
}
}
});

extend.refresh();
return extend;
})();

if (document.documentElement.hasAttribute) {
Element.hasAttribute = function(element, attribute) {
return element.hasAttribute(attribute);
};
}
else {
Element.hasAttribute = Element.Methods.Simulated.hasAttribute;
}

Element.addMethods = function(methods) {
var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;

if (!methods) {
Object.extend(Form, Form.Methods);
Object.extend(Form.Element, Form.Element.Methods);
Object.extend(Element.Methods.ByTag, {
"FORM": Object.clone(Form.Methods),
"INPUT": Object.clone(Form.Element.Methods),
"SELECT": Object.clone(Form.Element.Methods),
"TEXTAREA": Object.clone(Form.Element.Methods),
"BUTTON": Object.clone(Form.Element.Methods)
});
}

if (arguments.length == 2) {
var tagName = methods;
methods = arguments[1];
}

if (!tagName) Object.extend(Element.Methods, methods || { });
else {
if (Object.isArray(tagName)) tagName.each(extend);
else extend(tagName);
}

function extend(tagName) {
tagName = tagName.toUpperCase();
if (!Element.Methods.ByTag[tagName])
Element.Methods.ByTag[tagName] = { };
Object.extend(Element.Methods.ByTag[tagName], methods);
}

function copy(methods, destination, onlyIfAbsent) {
onlyIfAbsent = onlyIfAbsent || false;
for (var property in methods) {
var value = methods[property];
if (!Object.isFunction(value)) continue;
if (!onlyIfAbsent || !(property in destination))
destination[property] = value.methodize();
}
}

function findDOMClass(tagName) {
var klass;
var trans = {
"OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
"FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
"DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
"H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
"INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
"TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
"TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
"TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
"FrameSet", "IFRAME": "IFrame"
};
if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element';
if (window[klass]) return window[klass];
klass = 'HTML' + tagName + 'Element';
if (window[klass]) return window[klass];
klass = 'HTML' + tagName.capitalize() + 'Element';
if (window[klass]) return window[klass];

var element = document.createElement(tagName),
proto = element['__proto__'] || element.constructor.prototype;

element = null;
return proto;
}

var elementPrototype = window.HTMLElement ? HTMLElement.prototype :
Element.prototype;

if (F.ElementExtensions) {
copy(Element.Methods, elementPrototype);
copy(Element.Methods.Simulated, elementPrototype, true);
}

if (F.SpecificElementExtensions) {
for (var tag in Element.Methods.ByTag) {
var klass = findDOMClass(tag);
if (Object.isUndefined(klass)) continue;
copy(T[tag], klass.prototype);
}
}

Object.extend(Element, Element.Methods);
delete Element.ByTag;

if (Element.extend.refresh) Element.extend.refresh();
Element.cache = { };
};


document.viewport = {

getDimensions: function() {
return { width: this.getWidth(), height: this.getHeight() };
},

getScrollOffsets: function() {
return Element._returnOffset(
window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop);
}
};

(function(viewport) {
var B = Prototype.Browser, doc = document, element, property = {};

function getRootElement() {
if (B.WebKit && !doc.evaluate)
return document;

if (B.Opera && window.parseFloat(window.opera.version()) < 9.5)
return document.body;

return document.documentElement;
}

function define(D) {
if (!element) element = getRootElement();

property[D] = 'client' + D;

viewport['get' + D] = function() { return element[property[D]] };
return viewport['get' + D]();
}

viewport.getWidth = define.curry('Width');

viewport.getHeight = define.curry('Height');
})(document.viewport);


Element.Storage = {
UID: 1
};

Element.addMethods({
getStorage: function(element) {
if (!(element = $(element))) return;

var uid;
if (element === window) {
uid = 0;
} else {
if (typeof element._prototypeUID === "undefined")
element._prototypeUID = Element.Storage.UID++;
uid = element._prototypeUID;
}

if (!Element.Storage[uid])
Element.Storage[uid] = $H();

return Element.Storage[uid];
},

store: function(element, key, value) {
if (!(element = $(element))) return;

if (arguments.length === 2) {
Element.getStorage(element).update(key);
} else {
Element.getStorage(element).set(key, value);
}

return element;
},

retrieve: function(element, key, defaultValue) {
if (!(element = $(element))) return;
var hash = Element.getStorage(element), value = hash.get(key);

if (Object.isUndefined(value)) {
hash.set(key, defaultValue);
value = defaultValue;
}

return value;
},

clone: function(element, deep) {
if (!(element = $(element))) return;
var clone = element.cloneNode(deep);
clone._prototypeUID = void 0;
if (deep) {
var descendants = Element.select(clone, '*'),
i = descendants.length;
while (i--) {
descendants[i]._prototypeUID = void 0;
}
}
return Element.extend(clone);
},

purge: function(element) {
if (!(element = $(element))) return;
var purgeElement = Element._purgeElement;

purgeElement(element);

var descendants = element.getElementsByTagName('*'),
i = descendants.length;

while (i--) purgeElement(descendants[i]);

return null;
}
});

(function() {

function toDecimal(pctString) {
var match = pctString.match(/^(\d+)%?$/i);
if (!match) return null;
return (Number(match[1]) / 100);
}

function getPixelValue(value, property, context) {
var element = null;
if (Object.isElement(value)) {
element = value;
value = element.getStyle(property);
}

if (value === null) {
return null;
}

if ((/^(?:-)?\d+(\.\d+)?(px)?$/i).test(value)) {
return window.parseFloat(value);
}

var isPercentage = value.include('%'), isViewport = (context === document.viewport);

if (/\d/.test(value) && element && element.runtimeStyle && !(isPercentage && isViewport)) {
var style = element.style.left, rStyle = element.runtimeStyle.left;
element.runtimeStyle.left = element.currentStyle.left;
element.style.left = value || 0;
value = element.style.pixelLeft;
element.style.left = style;
element.runtimeStyle.left = rStyle;

return value;
}

if (element && isPercentage) {
context = context || element.parentNode;
var decimal = toDecimal(value);
var whole = null;
var position = element.getStyle('position');

var isHorizontal = property.include('left') || property.include('right') ||
property.include('width');

var isVertical = property.include('top') || property.include('bottom') ||
property.include('height');

if (context === document.viewport) {
if (isHorizontal) {
whole = document.viewport.getWidth();
} else if (isVertical) {
whole = document.viewport.getHeight();
}
} else {
if (isHorizontal) {
whole = $(context).measure('width');
} else if (isVertical) {
whole = $(context).measure('height');
}
}

return (whole === null) ? 0 : whole * decimal;
}

return 0;
}

function toCSSPixels(number) {
if (Object.isString(number) && number.endsWith('px')) {
return number;
}
return number + 'px';
}

function isDisplayed(element) {
var originalElement = element;
while (element && element.parentNode) {
var display = element.getStyle('display');
if (display === 'none') {
return false;
}
element = $(element.parentNode);
}
return true;
}

var hasLayout = Prototype.K;
if ('currentStyle' in document.documentElement) {
hasLayout = function(element) {
if (!element.currentStyle.hasLayout) {
element.style.zoom = 1;
}
return element;
};
}

function cssNameFor(key) {
if (key.include('border')) key = key + '-width';
return key.camelize();
}

Element.Layout = Class.create(Hash, {
initialize: function($super, element, preCompute) {
$super();
this.element = $(element);

Element.Layout.PROPERTIES.each( function(property) {
this._set(property, null);
}, this);

if (preCompute) {
this._preComputing = true;
this._begin();
Element.Layout.PROPERTIES.each( this._compute, this );
this._end();
this._preComputing = false;
}
},

_set: function(property, value) {
return Hash.prototype.set.call(this, property, value);
},

set: function(property, value) {
throw "Properties of Element.Layout are read-only.";
},

get: function($super, property) {
var value = $super(property);
return value === null ? this._compute(property) : value;
},

_begin: function() {
if (this._prepared) return;

var element = this.element;
if (isDisplayed(element)) {
this._prepared = true;
return;
}

var originalStyles = {
position: element.style.position || '',
width: element.style.width || '',
visibility: element.style.visibility || '',
display: element.style.display || ''
};

element.store('prototype_original_styles', originalStyles);

var position = element.getStyle('position'),
width = element.getStyle('width');

if (width === "0px" || width === null) {
element.style.display = 'block';
width = element.getStyle('width');
}

var context = (position === 'fixed') ? document.viewport :
element.parentNode;

element.setStyle({
position: 'absolute',
visibility: 'hidden',
display: 'block'
});

var positionedWidth = element.getStyle('width');

var newWidth;
if (width && (positionedWidth === width)) {
newWidth = getPixelValue(element, 'width', context);
} else if (position === 'absolute' || position === 'fixed') {
newWidth = getPixelValue(element, 'width', context);
} else {
var parent = element.parentNode, pLayout = $(parent).getLayout();

newWidth = pLayout.get('width') -
this.get('margin-left') -
this.get('border-left') -
this.get('padding-left') -
this.get('padding-right') -
this.get('border-right') -
this.get('margin-right');
}

element.setStyle({ width: newWidth + 'px' });

this._prepared = true;
},

_end: function() {
var element = this.element;
var originalStyles = element.retrieve('prototype_original_styles');
element.store('prototype_original_styles', null);
element.setStyle(originalStyles);
this._prepared = false;
},

_compute: function(property) {
var COMPUTATIONS = Element.Layout.COMPUTATIONS;
if (!(property in COMPUTATIONS)) {
throw "Property not found.";
}

return this._set(property, COMPUTATIONS[property].call(this, this.element));
},

toObject: function() {
var args = $A(arguments);
var keys = (args.length === 0) ? Element.Layout.PROPERTIES :
args.join(' ').split(' ');
var obj = {};
keys.each( function(key) {
if (!Element.Layout.PROPERTIES.include(key)) return;
var value = this.get(key);
if (value != null) obj[key] = value;
}, this);
return obj;
},

toHash: function() {
var obj = this.toObject.apply(this, arguments);
return new Hash(obj);
},

toCSS: function() {
var args = $A(arguments);
var keys = (args.length === 0) ? Element.Layout.PROPERTIES :
args.join(' ').split(' ');
var css = {};

keys.each( function(key) {
if (!Element.Layout.PROPERTIES.include(key)) return;
if (Element.Layout.COMPOSITE_PROPERTIES.include(key)) return;

var value = this.get(key);
if (value != null) css[cssNameFor(key)] = value + 'px';
}, this);
return css;
},

inspect: function() {
return "#<Element.Layout>";
}
});

Object.extend(Element.Layout, {
PROPERTIES: $w('height width top left right bottom border-left border-right border-top border-bottom padding-left padding-right padding-top padding-bottom margin-top margin-bottom margin-left margin-right padding-box-width padding-box-height border-box-width border-box-height margin-box-width margin-box-height'),

COMPOSITE_PROPERTIES: $w('padding-box-width padding-box-height margin-box-width margin-box-height border-box-width border-box-height'),

COMPUTATIONS: {
'height': function(element) {
if (!this._preComputing) this._begin();

var bHeight = this.get('border-box-height');
if (bHeight <= 0) {
if (!this._preComputing) this._end();
return 0;
}

var bTop = this.get('border-top'),
bBottom = this.get('border-bottom');

var pTop = this.get('padding-top'),
pBottom = this.get('padding-bottom');

if (!this._preComputing) this._end();

return bHeight - bTop - bBottom - pTop - pBottom;
},

'width': function(element) {
if (!this._preComputing) this._begin();

var bWidth = this.get('border-box-width');
if (bWidth <= 0) {
if (!this._preComputing) this._end();
return 0;
}

var bLeft = this.get('border-left'),
bRight = this.get('border-right');

var pLeft = this.get('padding-left'),
pRight = this.get('padding-right');

if (!this._preComputing) this._end();

return bWidth - bLeft - bRight - pLeft - pRight;
},

'padding-box-height': function(element) {
var height = this.get('height'),
pTop = this.get('padding-top'),
pBottom = this.get('padding-bottom');

return height + pTop + pBottom;
},

'padding-box-width': function(element) {
var width = this.get('width'),
pLeft = this.get('padding-left'),
pRight = this.get('padding-right');

return width + pLeft + pRight;
},

'border-box-height': function(element) {
if (!this._preComputing) this._begin();
var height = element.offsetHeight;
if (!this._preComputing) this._end();
return height;
},

'border-box-width': function(element) {
if (!this._preComputing) this._begin();
var width = element.offsetWidth;
if (!this._preComputing) this._end();
return width;
},

'margin-box-height': function(element) {
var bHeight = this.get('border-box-height'),
mTop = this.get('margin-top'),
mBottom = this.get('margin-bottom');

if (bHeight <= 0) return 0;

return bHeight + mTop + mBottom;
},

'margin-box-width': function(element) {
var bWidth = this.get('border-box-width'),
mLeft = this.get('margin-left'),
mRight = this.get('margin-right');

if (bWidth <= 0) return 0;

return bWidth + mLeft + mRight;
},

'top': function(element) {
var offset = element.positionedOffset();
return offset.top;
},

'bottom': function(element) {
var offset = element.positionedOffset(),
parent = element.getOffsetParent(),
pHeight = parent.measure('height');

var mHeight = this.get('border-box-height');

return pHeight - mHeight - offset.top;
},

'left': function(element) {
var offset = element.positionedOffset();
return offset.left;
},

'right': function(element) {
var offset = element.positionedOffset(),
parent = element.getOffsetParent(),
pWidth = parent.measure('width');

var mWidth = this.get('border-box-width');

return pWidth - mWidth - offset.left;
},

'padding-top': function(element) {
return getPixelValue(element, 'paddingTop');
},

'padding-bottom': function(element) {
return getPixelValue(element, 'paddingBottom');
},

'padding-left': function(element) {
return getPixelValue(element, 'paddingLeft');
},

'padding-right': function(element) {
return getPixelValue(element, 'paddingRight');
},

'border-top': function(element) {
return getPixelValue(element, 'borderTopWidth');
},

'border-bottom': function(element) {
return getPixelValue(element, 'borderBottomWidth');
},

'border-left': function(element) {
return getPixelValue(element, 'borderLeftWidth');
},

'border-right': function(element) {
return getPixelValue(element, 'borderRightWidth');
},

'margin-top': function(element) {
return getPixelValue(element, 'marginTop');
},

'margin-bottom': function(element) {
return getPixelValue(element, 'marginBottom');
},

'margin-left': function(element) {
return getPixelValue(element, 'marginLeft');
},

'margin-right': function(element) {
return getPixelValue(element, 'marginRight');
}
}
});

if ('getBoundingClientRect' in document.documentElement) {
Object.extend(Element.Layout.COMPUTATIONS, {
'right': function(element) {
var parent = hasLayout(element.getOffsetParent());
var rect = element.getBoundingClientRect(),
pRect = parent.getBoundingClientRect();

return (pRect.right - rect.right).round();
},

'bottom': function(element) {
var parent = hasLayout(element.getOffsetParent());
var rect = element.getBoundingClientRect(),
pRect = parent.getBoundingClientRect();

return (pRect.bottom - rect.bottom).round();
}
});
}

Element.Offset = Class.create({
initialize: function(left, top) {
this.left = left.round();
this.top = top.round();

this[0] = this.left;
this[1] = this.top;
},

relativeTo: function(offset) {
return new Element.Offset(
this.left - offset.left,
this.top - offset.top
);
},

inspect: function() {
return "#<Element.Offset left: #{left} top: #{top}>".interpolate(this);
},

toString: function() {
return "[#{left}, #{top}]".interpolate(this);
},

toArray: function() {
return [this.left, this.top];
}
});

function getLayout(element, preCompute) {
return new Element.Layout(element, preCompute);
}

function measure(element, property) {
return $(element).getLayout().get(property);
}

function getDimensions(element) {
element = $(element);
var display = Element.getStyle(element, 'display');

if (display && display !== 'none') {
return { width: element.offsetWidth, height: element.offsetHeight };
}

var style = element.style;
var originalStyles = {
visibility: style.visibility,
position: style.position,
display: style.display
};

var newStyles = {
visibility: 'hidden',
display: 'block'
};

if (originalStyles.position !== 'fixed')
newStyles.position = 'absolute';

Element.setStyle(element, newStyles);

var dimensions = {
width: element.offsetWidth,
height: element.offsetHeight
};

Element.setStyle(element, originalStyles);

return dimensions;
}

function getOffsetParent(element) {
element = $(element);

if (isDocument(element) || isDetached(element) || isBody(element) || isHtml(element))
return $(document.body);

var isInline = (Element.getStyle(element, 'display') === 'inline');
if (!isInline && element.offsetParent) return $(element.offsetParent);

while ((element = element.parentNode) && element !== document.body) {
if (Element.getStyle(element, 'position') !== 'static') {
return isHtml(element) ? $(document.body) : $(element);
}
}

return $(document.body);
}


function cumulativeOffset(element) {
element = $(element);
var valueT = 0, valueL = 0;
if (element.parentNode) {
do {
valueT += element.offsetTop || 0;
valueL += element.offsetLeft || 0;
element = element.offsetParent;
} while (element);
}
return new Element.Offset(valueL, valueT);
}

function positionedOffset(element) {
element = $(element);

var layout = element.getLayout();

var valueT = 0, valueL = 0;
do {
valueT += element.offsetTop || 0;
valueL += element.offsetLeft || 0;
element = element.offsetParent;
if (element) {
if (isBody(element)) break;
var p = Element.getStyle(element, 'position');
if (p !== 'static') break;
}
} while (element);

valueL -= layout.get('margin-top');
valueT -= layout.get('margin-left');

return new Element.Offset(valueL, valueT);
}

function cumulativeScrollOffset(element) {
var valueT = 0, valueL = 0;
do {
valueT += element.scrollTop || 0;
valueL += element.scrollLeft || 0;
element = element.parentNode;
} while (element);
return new Element.Offset(valueL, valueT);
}

function viewportOffset(forElement) {
element = $(element);
var valueT = 0, valueL = 0, docBody = document.body;

var element = forElement;
do {
valueT += element.offsetTop || 0;
valueL += element.offsetLeft || 0;
if (element.offsetParent == docBody &&
Element.getStyle(element, 'position') == 'absolute') break;
} while (element = element.offsetParent);

element = forElement;
do {
if (element != docBody) {
valueT -= element.scrollTop || 0;
valueL -= element.scrollLeft || 0;
}
} while (element = element.parentNode);
return new Element.Offset(valueL, valueT);
}

function absolutize(element) {
element = $(element);

if (Element.getStyle(element, 'position') === 'absolute') {
return element;
}

var offsetParent = getOffsetParent(element);
var eOffset = element.viewportOffset(),
pOffset = offsetParent.viewportOffset();

var offset = eOffset.relativeTo(pOffset);
var layout = element.getLayout();

element.store('prototype_absolutize_original_styles', {
left: element.getStyle('left'),
top: element.getStyle('top'),
width: element.getStyle('width'),
height: element.getStyle('height')
});

element.setStyle({
position: 'absolute',
top: offset.top + 'px',
left: offset.left + 'px',
width: layout.get('width') + 'px',
height: layout.get('height') + 'px'
});

return element;
}

function relativize(element) {
element = $(element);
if (Element.getStyle(element, 'position') === 'relative') {
return element;
}

var originalStyles =
element.retrieve('prototype_absolutize_original_styles');

if (originalStyles) element.setStyle(originalStyles);
return element;
}

if (Prototype.Browser.IE) {
getOffsetParent = getOffsetParent.wrap(
function(proceed, element) {
element = $(element);

if (isDocument(element) || isDetached(element) || isBody(element) || isHtml(element))
return $(document.body);

var position = element.getStyle('position');
if (position !== 'static') return proceed(element);

element.setStyle({ position: 'relative' });
var value = proceed(element);
element.setStyle({ position: position });
return value;
}
);

positionedOffset = positionedOffset.wrap(function(proceed, element) {
element = $(element);
if (!element.parentNode) return new Element.Offset(0, 0);
var position = element.getStyle('position');
if (position !== 'static') return proceed(element);

var offsetParent = element.getOffsetParent();
if (offsetParent && offsetParent.getStyle('position') === 'fixed')
hasLayout(offsetParent);

element.setStyle({ position: 'relative' });
var value = proceed(element);
element.setStyle({ position: position });
return value;
});
} else if (Prototype.Browser.Webkit) {
cumulativeOffset = function(element) {
element = $(element);
var valueT = 0, valueL = 0;
do {
valueT += element.offsetTop || 0;
valueL += element.offsetLeft || 0;
if (element.offsetParent == document.body)
if (Element.getStyle(element, 'position') == 'absolute') break;

element = element.offsetParent;
} while (element);

return new Element.Offset(valueL, valueT);
};
}


Element.addMethods({
getLayout: getLayout,
measure: measure,
getDimensions: getDimensions,
getOffsetParent: getOffsetParent,
cumulativeOffset: cumulativeOffset,
positionedOffset: positionedOffset,
cumulativeScrollOffset: cumulativeScrollOffset,
viewportOffset: viewportOffset,
absolutize: absolutize,
relativize: relativize
});

function isBody(element) {
return element.nodeName.toUpperCase() === 'BODY';
}

function isHtml(element) {
return element.nodeName.toUpperCase() === 'HTML';
}

function isDocument(element) {
return element.nodeType === Node.DOCUMENT_NODE;
}

function isDetached(element) {
return element !== document.body &&
!Element.descendantOf(element, document.body);
}

if ('getBoundingClientRect' in document.documentElement) {
Element.addMethods({
viewportOffset: function(element) {
element = $(element);
if (isDetached(element)) return new Element.Offset(0, 0);

var rect = element.getBoundingClientRect(),
docEl = document.documentElement;
return new Element.Offset(rect.left - docEl.clientLeft,
rect.top - docEl.clientTop);
}
});
}
})();
window.$$ = function() {
var expression = $A(arguments).join(', ');
return Prototype.Selector.select(expression, document);
};

Prototype.Selector = (function() {

function select() {
throw new Error('Method "Prototype.Selector.select" must be defined.');
}

function match() {
throw new Error('Method "Prototype.Selector.match" must be defined.');
}

function find(elements, expression, index) {
index = index || 0;
var match = Prototype.Selector.match, length = elements.length, matchIndex = 0, i;

for (i = 0; i < length; i++) {
if (match(elements[i], expression) && index == matchIndex++) {
return Element.extend(elements[i]);
}
}
}

function extendElements(elements) {
for (var i = 0, length = elements.length; i < length; i++) {
Element.extend(elements[i]);
}
return elements;
}


var K = Prototype.K;

return {
select: select,
match: match,
find: find,
extendElements: (Element.extend === K) ? K : extendElements,
extendElement: Element.extend
};
})();
/*!
* Sizzle CSS Selector Engine - v1.0
* Copyright 2009, The Dojo Foundation
* Released under the MIT, BSD, and GPL Licenses.
* More information: http://sizzlejs.com/
*/
(function(){

var chunker = /((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^[\]]*\]|['"][^'"]*['"]|[^[\]'"]+)+\]|\\.|[^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?((?:.|\r|\n)*)/g,
done = 0,
toString = Object.prototype.toString,
hasDuplicate = false,
baseHasDuplicate = true;

[0, 0].sort(function(){
baseHasDuplicate = false;
return 0;
});

var Sizzle = function(selector, context, results, seed) {
results = results || [];
var origContext = context = context || document;

if ( context.nodeType !== 1 && context.nodeType !== 9 ) {
return [];
}

if ( !selector || typeof selector !== "string" ) {
return results;
}

var parts = [], m, set, checkSet, check, mode, extra, prune = true, contextXML = isXML(context),
soFar = selector;

while ( (chunker.exec(""), m = chunker.exec(soFar)) !== null ) {
soFar = m[3];

parts.push( m[1] );

if ( m[2] ) {
extra = m[3];
break;
}
}

if ( parts.length > 1 && origPOS.exec( selector ) ) {
if ( parts.length === 2 && Expr.relative[ parts[0] ] ) {
set = posProcess( parts[0] + parts[1], context );
} else {
set = Expr.relative[ parts[0] ] ?
[ context ] :
Sizzle( parts.shift(), context );

while ( parts.length ) {
selector = parts.shift();

if ( Expr.relative[ selector ] )
selector += parts.shift();

set = posProcess( selector, set );
}
}
} else {
if ( !seed && parts.length > 1 && context.nodeType === 9 && !contextXML &&
Expr.match.ID.test(parts[0]) && !Expr.match.ID.test(parts[parts.length - 1]) ) {
var ret = Sizzle.find( parts.shift(), context, contextXML );
context = ret.expr ? Sizzle.filter( ret.expr, ret.set )[0] : ret.set[0];
}

if ( context ) {
var ret = seed ?
{ expr: parts.pop(), set: makeArray(seed) } :
Sizzle.find( parts.pop(), parts.length === 1 && (parts[0] === "~" || parts[0] === "+") && context.parentNode ? context.parentNode : context, contextXML );
set = ret.expr ? Sizzle.filter( ret.expr, ret.set ) : ret.set;

if ( parts.length > 0 ) {
checkSet = makeArray(set);
} else {
prune = false;
}

while ( parts.length ) {
var cur = parts.pop(), pop = cur;

if ( !Expr.relative[ cur ] ) {
cur = "";
} else {
pop = parts.pop();
}

if ( pop == null ) {
pop = context;
}

Expr.relative[ cur ]( checkSet, pop, contextXML );
}
} else {
checkSet = parts = [];
}
}

if ( !checkSet ) {
checkSet = set;
}

if ( !checkSet ) {
throw "Syntax error, unrecognized expression: " + (cur || selector);
}

if ( toString.call(checkSet) === "[object Array]" ) {
if ( !prune ) {
results.push.apply( results, checkSet );
} else if ( context && context.nodeType === 1 ) {
for ( var i = 0; checkSet[i] != null; i++ ) {
if ( checkSet[i] && (checkSet[i] === true || checkSet[i].nodeType === 1 && contains(context, checkSet[i])) ) {
results.push( set[i] );
}
}
} else {
for ( var i = 0; checkSet[i] != null; i++ ) {
if ( checkSet[i] && checkSet[i].nodeType === 1 ) {
results.push( set[i] );
}
}
}
} else {
makeArray( checkSet, results );
}

if ( extra ) {
Sizzle( extra, origContext, results, seed );
Sizzle.uniqueSort( results );
}

return results;
};

Sizzle.uniqueSort = function(results){
if ( sortOrder ) {
hasDuplicate = baseHasDuplicate;
results.sort(sortOrder);

if ( hasDuplicate ) {
for ( var i = 1; i < results.length; i++ ) {
if ( results[i] === results[i-1] ) {
results.splice(i--, 1);
}
}
}
}

return results;
};

Sizzle.matches = function(expr, set){
return Sizzle(expr, null, null, set);
};

Sizzle.find = function(expr, context, isXML){
var set, match;

if ( !expr ) {
return [];
}

for ( var i = 0, l = Expr.order.length; i < l; i++ ) {
var type = Expr.order[i], match;

if ( (match = Expr.leftMatch[ type ].exec( expr )) ) {
var left = match[1];
match.splice(1,1);

if ( left.substr( left.length - 1 ) !== "\\" ) {
match[1] = (match[1] || "").replace(/\\/g, "");
set = Expr.find[ type ]( match, context, isXML );
if ( set != null ) {
expr = expr.replace( Expr.match[ type ], "" );
break;
}
}
}
}

if ( !set ) {
set = context.getElementsByTagName("*");
}

return {set: set, expr: expr};
};

Sizzle.filter = function(expr, set, inplace, not){
var old = expr, result = [], curLoop = set, match, anyFound,
isXMLFilter = set && set[0] && isXML(set[0]);

while ( expr && set.length ) {
for ( var type in Expr.filter ) {
if ( (match = Expr.match[ type ].exec( expr )) != null ) {
var filter = Expr.filter[ type ], found, item;
anyFound = false;

if ( curLoop == result ) {
result = [];
}

if ( Expr.preFilter[ type ] ) {
match = Expr.preFilter[ type ]( match, curLoop, inplace, result, not, isXMLFilter );

if ( !match ) {
anyFound = found = true;
} else if ( match === true ) {
continue;
}
}

if ( match ) {
for ( var i = 0; (item = curLoop[i]) != null; i++ ) {
if ( item ) {
found = filter( item, match, i, curLoop );
var pass = not ^ !!found;

if ( inplace && found != null ) {
if ( pass ) {
anyFound = true;
} else {
curLoop[i] = false;
}
} else if ( pass ) {
result.push( item );
anyFound = true;
}
}
}
}

if ( found !== undefined ) {
if ( !inplace ) {
curLoop = result;
}

expr = expr.replace( Expr.match[ type ], "" );

if ( !anyFound ) {
return [];
}

break;
}
}
}

if ( expr == old ) {
if ( anyFound == null ) {
throw "Syntax error, unrecognized expression: " + expr;
} else {
break;
}
}

old = expr;
}

return curLoop;
};

var Expr = Sizzle.selectors = {
order: [ "ID", "NAME", "TAG" ],
match: {
ID: /#((?:[\w\u00c0-\uFFFF-]|\\.)+)/,
CLASS: /\.((?:[\w\u00c0-\uFFFF-]|\\.)+)/,
NAME: /\[name=['"]*((?:[\w\u00c0-\uFFFF-]|\\.)+)['"]*\]/,
ATTR: /\[\s*((?:[\w\u00c0-\uFFFF-]|\\.)+)\s*(?:(\S?=)\s*(['"]*)(.*?)\3|)\s*\]/,
TAG: /^((?:[\w\u00c0-\uFFFF\*-]|\\.)+)/,
CHILD: /:(only|nth|last|first)-child(?:\((even|odd|[\dn+-]*)\))?/,
POS: /:(nth|eq|gt|lt|first|last|even|odd)(?:\((\d*)\))?(?=[^-]|$)/,
PSEUDO: /:((?:[\w\u00c0-\uFFFF-]|\\.)+)(?:\((['"]*)((?:\([^\)]+\)|[^\2\(\)]*)+)\2\))?/
},
leftMatch: {},
attrMap: {
"class": "className",
"for": "htmlFor"
},
attrHandle: {
href: function(elem){
return elem.getAttribute("href");
}
},
relative: {
"+": function(checkSet, part, isXML){
var isPartStr = typeof part === "string",
isTag = isPartStr && !/\W/.test(part),
isPartStrNotTag = isPartStr && !isTag;

if ( isTag && !isXML ) {
part = part.toUpperCase();
}

for ( var i = 0, l = checkSet.length, elem; i < l; i++ ) {
if ( (elem = checkSet[i]) ) {
while ( (elem = elem.previousSibling) && elem.nodeType !== 1 ) {}

checkSet[i] = isPartStrNotTag || elem && elem.nodeName === part ?
elem || false :
elem === part;
}
}

if ( isPartStrNotTag ) {
Sizzle.filter( part, checkSet, true );
}
},
">": function(checkSet, part, isXML){
var isPartStr = typeof part === "string";

if ( isPartStr && !/\W/.test(part) ) {
part = isXML ? part : part.toUpperCase();

for ( var i = 0, l = checkSet.length; i < l; i++ ) {
var elem = checkSet[i];
if ( elem ) {
var parent = elem.parentNode;
checkSet[i] = parent.nodeName === part ? parent : false;
}
}
} else {
for ( var i = 0, l = checkSet.length; i < l; i++ ) {
var elem = checkSet[i];
if ( elem ) {
checkSet[i] = isPartStr ?
elem.parentNode :
elem.parentNode === part;
}
}

if ( isPartStr ) {
Sizzle.filter( part, checkSet, true );
}
}
},
"": function(checkSet, part, isXML){
var doneName = done++, checkFn = dirCheck;

if ( !/\W/.test(part) ) {
var nodeCheck = part = isXML ? part : part.toUpperCase();
checkFn = dirNodeCheck;
}

checkFn("parentNode", part, doneName, checkSet, nodeCheck, isXML);
},
"~": function(checkSet, part, isXML){
var doneName = done++, checkFn = dirCheck;

if ( typeof part === "string" && !/\W/.test(part) ) {
var nodeCheck = part = isXML ? part : part.toUpperCase();
checkFn = dirNodeCheck;
}

checkFn("previousSibling", part, doneName, checkSet, nodeCheck, isXML);
}
},
find: {
ID: function(match, context, isXML){
if ( typeof context.getElementById !== "undefined" && !isXML ) {
var m = context.getElementById(match[1]);
return m ? [m] : [];
}
},
NAME: function(match, context, isXML){
if ( typeof context.getElementsByName !== "undefined" ) {
var ret = [], results = context.getElementsByName(match[1]);

for ( var i = 0, l = results.length; i < l; i++ ) {
if ( results[i].getAttribute("name") === match[1] ) {
ret.push( results[i] );
}
}

return ret.length === 0 ? null : ret;
}
},
TAG: function(match, context){
return context.getElementsByTagName(match[1]);
}
},
preFilter: {
CLASS: function(match, curLoop, inplace, result, not, isXML){
match = " " + match[1].replace(/\\/g, "") + " ";

if ( isXML ) {
return match;
}

for ( var i = 0, elem; (elem = curLoop[i]) != null; i++ ) {
if ( elem ) {
if ( not ^ (elem.className && (" " + elem.className + " ").indexOf(match) >= 0) ) {
if ( !inplace )
result.push( elem );
} else if ( inplace ) {
curLoop[i] = false;
}
}
}

return false;
},
ID: function(match){
return match[1].replace(/\\/g, "");
},
TAG: function(match, curLoop){
for ( var i = 0; curLoop[i] === false; i++ ){}
return curLoop[i] && isXML(curLoop[i]) ? match[1] : match[1].toUpperCase();
},
CHILD: function(match){
if ( match[1] == "nth" ) {
var test = /(-?)(\d*)n((?:\+|-)?\d*)/.exec(
match[2] == "even" && "2n" || match[2] == "odd" && "2n+1" ||
!/\D/.test( match[2] ) && "0n+" + match[2] || match[2]);

match[2] = (test[1] + (test[2] || 1)) - 0;
match[3] = test[3] - 0;
}

match[0] = done++;

return match;
},
ATTR: function(match, curLoop, inplace, result, not, isXML){
var name = match[1].replace(/\\/g, "");

if ( !isXML && Expr.attrMap[name] ) {
match[1] = Expr.attrMap[name];
}

if ( match[2] === "~=" ) {
match[4] = " " + match[4] + " ";
}

return match;
},
PSEUDO: function(match, curLoop, inplace, result, not){
if ( match[1] === "not" ) {
if ( ( chunker.exec(match[3]) || "" ).length > 1 || /^\w/.test(match[3]) ) {
match[3] = Sizzle(match[3], null, null, curLoop);
} else {
var ret = Sizzle.filter(match[3], curLoop, inplace, true ^ not);
if ( !inplace ) {
result.push.apply( result, ret );
}
return false;
}
} else if ( Expr.match.POS.test( match[0] ) || Expr.match.CHILD.test( match[0] ) ) {
return true;
}

return match;
},
POS: function(match){
match.unshift( true );
return match;
}
},
filters: {
enabled: function(elem){
return elem.disabled === false && elem.type !== "hidden";
},
disabled: function(elem){
return elem.disabled === true;
},
checked: function(elem){
return elem.checked === true;
},
selected: function(elem){
elem.parentNode.selectedIndex;
return elem.selected === true;
},
parent: function(elem){
return !!elem.firstChild;
},
empty: function(elem){
return !elem.firstChild;
},
has: function(elem, i, match){
return !!Sizzle( match[3], elem ).length;
},
header: function(elem){
return /h\d/i.test( elem.nodeName );
},
text: function(elem){
return "text" === elem.type;
},
radio: function(elem){
return "radio" === elem.type;
},
checkbox: function(elem){
return "checkbox" === elem.type;
},
file: function(elem){
return "file" === elem.type;
},
password: function(elem){
return "password" === elem.type;
},
submit: function(elem){
return "submit" === elem.type;
},
image: function(elem){
return "image" === elem.type;
},
reset: function(elem){
return "reset" === elem.type;
},
button: function(elem){
return "button" === elem.type || elem.nodeName.toUpperCase() === "BUTTON";
},
input: function(elem){
return /input|select|textarea|button/i.test(elem.nodeName);
}
},
setFilters: {
first: function(elem, i){
return i === 0;
},
last: function(elem, i, match, array){
return i === array.length - 1;
},
even: function(elem, i){
return i % 2 === 0;
},
odd: function(elem, i){
return i % 2 === 1;
},
lt: function(elem, i, match){
return i < match[3] - 0;
},
gt: function(elem, i, match){
return i > match[3] - 0;
},
nth: function(elem, i, match){
return match[3] - 0 == i;
},
eq: function(elem, i, match){
return match[3] - 0 == i;
}
},
filter: {
PSEUDO: function(elem, match, i, array){
var name = match[1], filter = Expr.filters[ name ];

if ( filter ) {
return filter( elem, i, match, array );
} else if ( name === "contains" ) {
return (elem.textContent || elem.innerText || "").indexOf(match[3]) >= 0;
} else if ( name === "not" ) {
var not = match[3];

for ( var i = 0, l = not.length; i < l; i++ ) {
if ( not[i] === elem ) {
return false;
}
}

return true;
}
},
CHILD: function(elem, match){
var type = match[1], node = elem;
switch (type) {
case 'only':
case 'first':
while ( (node = node.previousSibling) ) {
if ( node.nodeType === 1 ) return false;
}
if ( type == 'first') return true;
node = elem;
case 'last':
while ( (node = node.nextSibling) ) {
if ( node.nodeType === 1 ) return false;
}
return true;
case 'nth':
var first = match[2], last = match[3];

if ( first == 1 && last == 0 ) {
return true;
}

var doneName = match[0],
parent = elem.parentNode;

if ( parent && (parent.sizcache !== doneName || !elem.nodeIndex) ) {
var count = 0;
for ( node = parent.firstChild; node; node = node.nextSibling ) {
if ( node.nodeType === 1 ) {
node.nodeIndex = ++count;
}
}
parent.sizcache = doneName;
}

var diff = elem.nodeIndex - last;
if ( first == 0 ) {
return diff == 0;
} else {
return ( diff % first == 0 && diff / first >= 0 );
}
}
},
ID: function(elem, match){
return elem.nodeType === 1 && elem.getAttribute("id") === match;
},
TAG: function(elem, match){
return (match === "*" && elem.nodeType === 1) || elem.nodeName === match;
},
CLASS: function(elem, match){
return (" " + (elem.className || elem.getAttribute("class")) + " ")
.indexOf( match ) > -1;
},
ATTR: function(elem, match){
var name = match[1],
result = Expr.attrHandle[ name ] ?
Expr.attrHandle[ name ]( elem ) :
elem[ name ] != null ?
elem[ name ] :
elem.getAttribute( name ),
value = result + "",
type = match[2],
check = match[4];

return result == null ?
type === "!=" :
type === "=" ?
value === check :
type === "*=" ?
value.indexOf(check) >= 0 :
type === "~=" ?
(" " + value + " ").indexOf(check) >= 0 :
!check ?
value && result !== false :
type === "!=" ?
value != check :
type === "^=" ?
value.indexOf(check) === 0 :
type === "$=" ?
value.substr(value.length - check.length) === check :
type === "|=" ?
value === check || value.substr(0, check.length + 1) === check + "-" :
false;
},
POS: function(elem, match, i, array){
var name = match[2], filter = Expr.setFilters[ name ];

if ( filter ) {
return filter( elem, i, match, array );
}
}
}
};

var origPOS = Expr.match.POS;

for ( var type in Expr.match ) {
Expr.match[ type ] = new RegExp( Expr.match[ type ].source + /(?![^\[]*\])(?![^\(]*\))/.source );
Expr.leftMatch[ type ] = new RegExp( /(^(?:.|\r|\n)*?)/.source + Expr.match[ type ].source );
}

var makeArray = function(array, results) {
array = Array.prototype.slice.call( array, 0 );

if ( results ) {
results.push.apply( results, array );
return results;
}

return array;
};

try {
Array.prototype.slice.call( document.documentElement.childNodes, 0 );

} catch(e){
makeArray = function(array, results) {
var ret = results || [];

if ( toString.call(array) === "[object Array]" ) {
Array.prototype.push.apply( ret, array );
} else {
if ( typeof array.length === "number" ) {
for ( var i = 0, l = array.length; i < l; i++ ) {
ret.push( array[i] );
}
} else {
for ( var i = 0; array[i]; i++ ) {
ret.push( array[i] );
}
}
}

return ret;
};
}

var sortOrder;

if ( document.documentElement.compareDocumentPosition ) {
sortOrder = function( a, b ) {
if ( !a.compareDocumentPosition || !b.compareDocumentPosition ) {
if ( a == b ) {
hasDuplicate = true;
}
return 0;
}

var ret = a.compareDocumentPosition(b) & 4 ? -1 : a === b ? 0 : 1;
if ( ret === 0 ) {
hasDuplicate = true;
}
return ret;
};
} else if ( "sourceIndex" in document.documentElement ) {
sortOrder = function( a, b ) {
if ( !a.sourceIndex || !b.sourceIndex ) {
if ( a == b ) {
hasDuplicate = true;
}
return 0;
}

var ret = a.sourceIndex - b.sourceIndex;
if ( ret === 0 ) {
hasDuplicate = true;
}
return ret;
};
} else if ( document.createRange ) {
sortOrder = function( a, b ) {
if ( !a.ownerDocument || !b.ownerDocument ) {
if ( a == b ) {
hasDuplicate = true;
}
return 0;
}

var aRange = a.ownerDocument.createRange(), bRange = b.ownerDocument.createRange();
aRange.setStart(a, 0);
aRange.setEnd(a, 0);
bRange.setStart(b, 0);
bRange.setEnd(b, 0);
var ret = aRange.compareBoundaryPoints(Range.START_TO_END, bRange);
if ( ret === 0 ) {
hasDuplicate = true;
}
return ret;
};
}

(function(){
var form = document.createElement("div"),
id = "script" + (new Date).getTime();
form.innerHTML = "<a name='" + id + "'/>";

var root = document.documentElement;
root.insertBefore( form, root.firstChild );

if ( !!document.getElementById( id ) ) {
Expr.find.ID = function(match, context, isXML){
if ( typeof context.getElementById !== "undefined" && !isXML ) {
var m = context.getElementById(match[1]);
return m ? m.id === match[1] || typeof m.getAttributeNode !== "undefined" && m.getAttributeNode("id").nodeValue === match[1] ? [m] : undefined : [];
}
};

Expr.filter.ID = function(elem, match){
var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id");
return elem.nodeType === 1 && node && node.nodeValue === match;
};
}

root.removeChild( form );
root = form = null; // release memory in IE
})();

(function(){

var div = document.createElement("div");
div.appendChild( document.createComment("") );

if ( div.getElementsByTagName("*").length > 0 ) {
Expr.find.TAG = function(match, context){
var results = context.getElementsByTagName(match[1]);

if ( match[1] === "*" ) {
var tmp = [];

for ( var i = 0; results[i]; i++ ) {
if ( results[i].nodeType === 1 ) {
tmp.push( results[i] );
}
}

results = tmp;
}

return results;
};
}

div.innerHTML = "<a href='#'></a>";
if ( div.firstChild && typeof div.firstChild.getAttribute !== "undefined" &&
div.firstChild.getAttribute("href") !== "#" ) {
Expr.attrHandle.href = function(elem){
return elem.getAttribute("href", 2);
};
}

div = null; // release memory in IE
})();

if ( document.querySelectorAll ) (function(){
var oldSizzle = Sizzle, div = document.createElement("div");
div.innerHTML = "<p class='TEST'></p>";

if ( div.querySelectorAll && div.querySelectorAll(".TEST").length === 0 ) {
return;
}

Sizzle = function(query, context, extra, seed){
context = context || document;

if ( !seed && context.nodeType === 9 && !isXML(context) ) {
try {
return makeArray( context.querySelectorAll(query), extra );
} catch(e){}
}

return oldSizzle(query, context, extra, seed);
};

for ( var prop in oldSizzle ) {
Sizzle[ prop ] = oldSizzle[ prop ];
}

div = null; // release memory in IE
})();

if ( document.getElementsByClassName && document.documentElement.getElementsByClassName ) (function(){
var div = document.createElement("div");
div.innerHTML = "<div class='test e'></div><div class='test'></div>";

if ( div.getElementsByClassName("e").length === 0 )
return;

div.lastChild.className = "e";

if ( div.getElementsByClassName("e").length === 1 )
return;

Expr.order.splice(1, 0, "CLASS");
Expr.find.CLASS = function(match, context, isXML) {
if ( typeof context.getElementsByClassName !== "undefined" && !isXML ) {
return context.getElementsByClassName(match[1]);
}
};

div = null; // release memory in IE
})();

function dirNodeCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) {
var sibDir = dir == "previousSibling" && !isXML;
for ( var i = 0, l = checkSet.length; i < l; i++ ) {
var elem = checkSet[i];
if ( elem ) {
if ( sibDir && elem.nodeType === 1 ){
elem.sizcache = doneName;
elem.sizset = i;
}
elem = elem[dir];
var match = false;

while ( elem ) {
if ( elem.sizcache === doneName ) {
match = checkSet[elem.sizset];
break;
}

if ( elem.nodeType === 1 && !isXML ){
elem.sizcache = doneName;
elem.sizset = i;
}

if ( elem.nodeName === cur ) {
match = elem;
break;
}

elem = elem[dir];
}

checkSet[i] = match;
}
}
}

function dirCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) {
var sibDir = dir == "previousSibling" && !isXML;
for ( var i = 0, l = checkSet.length; i < l; i++ ) {
var elem = checkSet[i];
if ( elem ) {
if ( sibDir && elem.nodeType === 1 ) {
elem.sizcache = doneName;
elem.sizset = i;
}
elem = elem[dir];
var match = false;

while ( elem ) {
if ( elem.sizcache === doneName ) {
match = checkSet[elem.sizset];
break;
}

if ( elem.nodeType === 1 ) {
if ( !isXML ) {
elem.sizcache = doneName;
elem.sizset = i;
}
if ( typeof cur !== "string" ) {
if ( elem === cur ) {
match = true;
break;
}

} else if ( Sizzle.filter( cur, [elem] ).length > 0 ) {
match = elem;
break;
}
}

elem = elem[dir];
}

checkSet[i] = match;
}
}
}

var contains = document.compareDocumentPosition ? function(a, b){
return a.compareDocumentPosition(b) & 16;
} : function(a, b){
return a !== b && (a.contains ? a.contains(b) : true);
};

var isXML = function(elem){
return elem.nodeType === 9 && elem.documentElement.nodeName !== "HTML" ||
!!elem.ownerDocument && elem.ownerDocument.documentElement.nodeName !== "HTML";
};

var posProcess = function(selector, context){
var tmpSet = [], later = "", match,
root = context.nodeType ? [context] : context;

while ( (match = Expr.match.PSEUDO.exec( selector )) ) {
later += match[0];
selector = selector.replace( Expr.match.PSEUDO, "" );
}

selector = Expr.relative[selector] ? selector + "*" : selector;

for ( var i = 0, l = root.length; i < l; i++ ) {
Sizzle( selector, root[i], tmpSet );
}

return Sizzle.filter( later, tmpSet );
};


window.Sizzle = Sizzle;

})();

Prototype._original_property = window.Sizzle;

;(function(engine) {
var extendElements = Prototype.Selector.extendElements;

function select(selector, scope) {
return extendElements(engine(selector, scope || document));
}

function match(element, selector) {
return engine.matches(selector, [element]).length == 1;
}

Prototype.Selector.engine = engine;
Prototype.Selector.select = select;
Prototype.Selector.match = match;
})(Sizzle);

window.Sizzle = Prototype._original_property;
delete Prototype._original_property;

var Form = {
reset: function(form) {
form = $(form);
form.reset();
return form;
},

serializeElements: function(elements, options) {
if (typeof options != 'object') options = { hash: !!options };
else if (Object.isUndefined(options.hash)) options.hash = true;
var key, value, submitted = false, submit = options.submit, accumulator, initial;

if (options.hash) {
initial = {};
accumulator = function(result, key, value) {
if (key in result) {
if (!Object.isArray(result[key])) result[key] = [result[key]];
result[key].push(value);
} else result[key] = value;
return result;
};
} else {
initial = '';
accumulator = function(result, key, value) {
return result + (result ? '&' : '') + encodeURIComponent(key) + '=' + encodeURIComponent(value);
}
}

return elements.inject(initial, function(result, element) {
if (!element.disabled && element.name) {
key = element.name; value = $(element).getValue();
if (value != null && element.type != 'file' && (element.type != 'submit' || (!submitted &&
submit !== false && (!submit || key == submit) && (submitted = true)))) {
result = accumulator(result, key, value);
}
}
return result;
});
}
};

Form.Methods = {
serialize: function(form, options) {
return Form.serializeElements(Form.getElements(form), options);
},

getElements: function(form) {
var elements = $(form).getElementsByTagName('*'),
element,
arr = [ ],
serializers = Form.Element.Serializers;
for (var i = 0; element = elements[i]; i++) {
arr.push(element);
}
return arr.inject([], function(elements, child) {
if (serializers[child.tagName.toLowerCase()])
elements.push(Element.extend(child));
return elements;
})
},

getInputs: function(form, typeName, name) {
form = $(form);
var inputs = form.getElementsByTagName('input');

if (!typeName && !name) return $A(inputs).map(Element.extend);

for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
var input = inputs[i];
if ((typeName && input.type != typeName) || (name && input.name != name))
continue;
matchingInputs.push(Element.extend(input));
}

return matchingInputs;
},

disable: function(form) {
form = $(form);
Form.getElements(form).invoke('disable');
return form;
},

enable: function(form) {
form = $(form);
Form.getElements(form).invoke('enable');
return form;
},

findFirstElement: function(form) {
var elements = $(form).getElements().findAll(function(element) {
return 'hidden' != element.type && !element.disabled;
});
var firstByIndex = elements.findAll(function(element) {
return element.hasAttribute('tabIndex') && element.tabIndex >= 0;
}).sortBy(function(element) { return element.tabIndex }).first();

return firstByIndex ? firstByIndex : elements.find(function(element) {
return /^(?:input|select|textarea)$/i.test(element.tagName);
});
},

focusFirstElement: function(form) {
form = $(form);
var element = form.findFirstElement();
if (element) element.activate();
return form;
},

request: function(form, options) {
form = $(form), options = Object.clone(options || { });

var params = options.parameters, action = form.readAttribute('action') || '';
if (action.blank()) action = window.location.href;
options.parameters = form.serialize(true);

if (params) {
if (Object.isString(params)) params = params.toQueryParams();
Object.extend(options.parameters, params);
}

if (form.hasAttribute('method') && !options.method)
options.method = form.method;

return new Ajax.Request(action, options);
}
};

/*--------------------------------------------------------------------------*/


Form.Element = {
focus: function(element) {
$(element).focus();
return element;
},

select: function(element) {
$(element).select();
return element;
}
};

Form.Element.Methods = {

serialize: function(element) {
element = $(element);
if (!element.disabled && element.name) {
var value = element.getValue();
if (value != undefined) {
var pair = { };
pair[element.name] = value;
return Object.toQueryString(pair);
}
}
return '';
},

getValue: function(element) {
element = $(element);
var method = element.tagName.toLowerCase();
return Form.Element.Serializers[method](element);
},

setValue: function(element, value) {
element = $(element);
var method = element.tagName.toLowerCase();
Form.Element.Serializers[method](element, value);
return element;
},

clear: function(element) {
$(element).value = '';
return element;
},

present: function(element) {
return $(element).value != '';
},

activate: function(element) {
element = $(element);
try {
element.focus();
if (element.select && (element.tagName.toLowerCase() != 'input' ||
!(/^(?:button|reset|submit)$/i.test(element.type))))
element.select();
} catch (e) { }
return element;
},

disable: function(element) {
element = $(element);
element.disabled = true;
return element;
},

enable: function(element) {
element = $(element);
element.disabled = false;
return element;
}
};

/*--------------------------------------------------------------------------*/

var Field = Form.Element;

var $F = Form.Element.Methods.getValue;

/*--------------------------------------------------------------------------*/

Form.Element.Serializers = (function() {
function input(element, value) {
switch (element.type.toLowerCase()) {
case 'checkbox':
case 'radio':
return inputSelector(element, value);
default:
return valueSelector(element, value);
}
}

function inputSelector(element, value) {
if (Object.isUndefined(value))
return element.checked ? element.value : null;
else element.checked = !!value;
}

function valueSelector(element, value) {
if (Object.isUndefined(value)) return element.value;
else element.value = value;
}

function select(element, value) {
if (Object.isUndefined(value))
return (element.type === 'select-one' ? selectOne : selectMany)(element);

var opt, currentValue, single = !Object.isArray(value);
for (var i = 0, length = element.length; i < length; i++) {
opt = element.options[i];
currentValue = this.optionValue(opt);
if (single) {
if (currentValue == value) {
opt.selected = true;
return;
}
}
else opt.selected = value.include(currentValue);
}
}

function selectOne(element) {
var index = element.selectedIndex;
return index >= 0 ? optionValue(element.options[index]) : null;
}

function selectMany(element) {
var values, length = element.length;
if (!length) return null;

for (var i = 0, values = []; i < length; i++) {
var opt = element.options[i];
if (opt.selected) values.push(optionValue(opt));
}
return values;
}

function optionValue(opt) {
return Element.hasAttribute(opt, 'value') ? opt.value : opt.text;
}

return {
input: input,
inputSelector: inputSelector,
textarea: valueSelector,
select: select,
selectOne: selectOne,
selectMany: selectMany,
optionValue: optionValue,
button: valueSelector
};
})();

/*--------------------------------------------------------------------------*/


Abstract.TimedObserver = Class.create(PeriodicalExecuter, {
initialize: function($super, element, frequency, callback) {
$super(callback, frequency);
this.element = $(element);
this.lastValue = this.getValue();
},

execute: function() {
var value = this.getValue();
if (Object.isString(this.lastValue) && Object.isString(value) ?
this.lastValue != value : String(this.lastValue) != String(value)) {
this.callback(this.element, value);
this.lastValue = value;
}
}
});

Form.Element.Observer = Class.create(Abstract.TimedObserver, {
getValue: function() {
return Form.Element.getValue(this.element);
}
});

Form.Observer = Class.create(Abstract.TimedObserver, {
getValue: function() {
return Form.serialize(this.element);
}
});

/*--------------------------------------------------------------------------*/

Abstract.EventObserver = Class.create({
initialize: function(element, callback) {
this.element = $(element);
this.callback = callback;

this.lastValue = this.getValue();
if (this.element.tagName.toLowerCase() == 'form')
this.registerFormCallbacks();
else
this.registerCallback(this.element);
},

onElementEvent: function() {
var value = this.getValue();
if (this.lastValue != value) {
this.callback(this.element, value);
this.lastValue = value;
}
},

registerFormCallbacks: function() {
Form.getElements(this.element).each(this.registerCallback, this);
},

registerCallback: function(element) {
if (element.type) {
switch (element.type.toLowerCase()) {
case 'checkbox':
case 'radio':
Event.observe(element, 'click', this.onElementEvent.bind(this));
break;
default:
Event.observe(element, 'change', this.onElementEvent.bind(this));
break;
}
}
}
});

Form.Element.EventObserver = Class.create(Abstract.EventObserver, {
getValue: function() {
return Form.Element.getValue(this.element);
}
});

Form.EventObserver = Class.create(Abstract.EventObserver, {
getValue: function() {
return Form.serialize(this.element);
}
});
(function() {

var Event = {
KEY_BACKSPACE: 8,
KEY_TAB: 9,
KEY_RETURN: 13,
KEY_ESC: 27,
KEY_LEFT: 37,
KEY_UP: 38,
KEY_RIGHT: 39,
KEY_DOWN: 40,
KEY_DELETE: 46,
KEY_HOME: 36,
KEY_END: 35,
KEY_PAGEUP: 33,
KEY_PAGEDOWN: 34,
KEY_INSERT: 45,

cache: {}
};

var docEl = document.documentElement;
var MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED = 'onmouseenter' in docEl
&& 'onmouseleave' in docEl;



var isIELegacyEvent = function(event) { return false; };

if (window.attachEvent) {
if (window.addEventListener) {
isIELegacyEvent = function(event) {
return !(event instanceof window.Event);
};
} else {
isIELegacyEvent = function(event) { return true; };
}
}

var _isButton;

function _isButtonForDOMEvents(event, code) {
return event.which ? (event.which === code + 1) : (event.button === code);
}

var legacyButtonMap = { 0: 1, 1: 4, 2: 2 };
function _isButtonForLegacyEvents(event, code) {
return event.button === legacyButtonMap[code];
}

function _isButtonForWebKit(event, code) {
switch (code) {
case 0: return event.which == 1 && !event.metaKey;
case 1: return event.which == 2 || (event.which == 1 && event.metaKey);
case 2: return event.which == 3;
default: return false;
}
}

if (window.attachEvent) {
if (!window.addEventListener) {
_isButton = _isButtonForLegacyEvents;
} else {
_isButton = function(event, code) {
return isIELegacyEvent(event) ? _isButtonForLegacyEvents(event, code) :
_isButtonForDOMEvents(event, code);
}
}
} else if (Prototype.Browser.WebKit) {
_isButton = _isButtonForWebKit;
} else {
_isButton = _isButtonForDOMEvents;
}

function isLeftClick(event) { return _isButton(event, 0) }

function isMiddleClick(event) { return _isButton(event, 1) }

function isRightClick(event) { return _isButton(event, 2) }

function element(event) {
event = Event.extend(event);

var node = event.target, type = event.type,
currentTarget = event.currentTarget;

if (currentTarget && currentTarget.tagName) {
if (type === 'load' || type === 'error' ||
(type === 'click' && currentTarget.tagName.toLowerCase() === 'input'
&& currentTarget.type === 'radio'))
node = currentTarget;
}

if (node.nodeType == Node.TEXT_NODE)
node = node.parentNode;

return Element.extend(node);
}

function findElement(event, expression) {
var element = Event.element(event);

if (!expression) return element;
while (element) {
if (Object.isElement(element) && Prototype.Selector.match(element, expression)) {
return Element.extend(element);
}
element = element.parentNode;
}
}

function pointer(event) {
return { x: pointerX(event), y: pointerY(event) };
}

function pointerX(event) {
var docElement = document.documentElement,
body = document.body || { scrollLeft: 0 };

return event.pageX || (event.clientX +
(docElement.scrollLeft || body.scrollLeft) -
(docElement.clientLeft || 0));
}

function pointerY(event) {
var docElement = document.documentElement,
body = document.body || { scrollTop: 0 };

return event.pageY || (event.clientY +
(docElement.scrollTop || body.scrollTop) -
(docElement.clientTop || 0));
}


function stop(event) {
Event.extend(event);
event.preventDefault();
event.stopPropagation();

event.stopped = true;
}


Event.Methods = {
isLeftClick: isLeftClick,
isMiddleClick: isMiddleClick,
isRightClick: isRightClick,

element: element,
findElement: findElement,

pointer: pointer,
pointerX: pointerX,
pointerY: pointerY,

stop: stop
};

var methods = Object.keys(Event.Methods).inject({ }, function(m, name) {
m[name] = Event.Methods[name].methodize();
return m;
});

if (window.attachEvent) {
function _relatedTarget(event) {
var element;
switch (event.type) {
case 'mouseover':
case 'mouseenter':
element = event.fromElement;
break;
case 'mouseout':
case 'mouseleave':
element = event.toElement;
break;
default:
return null;
}
return Element.extend(element);
}

var additionalMethods = {
stopPropagation: function() { this.cancelBubble = true },
preventDefault: function() { this.returnValue = false },
inspect: function() { return '[object Event]' }
};

Event.extend = function(event, element) {
if (!event) return false;

if (!isIELegacyEvent(event)) return event;

if (event._extendedByPrototype) return event;
event._extendedByPrototype = Prototype.emptyFunction;

var pointer = Event.pointer(event);

Object.extend(event, {
target: event.srcElement || element,
relatedTarget: _relatedTarget(event),
pageX: pointer.x,
pageY: pointer.y
});

Object.extend(event, methods);
Object.extend(event, additionalMethods);

return event;
};
} else {
Event.extend = Prototype.K;
}

if (window.addEventListener) {
Event.prototype = window.Event.prototype || document.createEvent('HTMLEvents').__proto__;
Object.extend(Event.prototype, methods);
}

function _createResponder(element, eventName, handler) {
var registry = Element.retrieve(element, 'prototype_event_registry');

if (Object.isUndefined(registry)) {
CACHE.push(element);
registry = Element.retrieve(element, 'prototype_event_registry', $H());
}

var respondersForEvent = registry.get(eventName);
if (Object.isUndefined(respondersForEvent)) {
respondersForEvent = [];
registry.set(eventName, respondersForEvent);
}

if (respondersForEvent.pluck('handler').include(handler)) return false;

var responder;
if (eventName.include(":")) {
responder = function(event) {
if (Object.isUndefined(event.eventName))
return false;

if (event.eventName !== eventName)
return false;

Event.extend(event, element);
handler.call(element, event);
};
} else {
if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED &&
(eventName === "mouseenter" || eventName === "mouseleave")) {
if (eventName === "mouseenter" || eventName === "mouseleave") {
responder = function(event) {
Event.extend(event, element);

var parent = event.relatedTarget;
while (parent && parent !== element) {
try { parent = parent.parentNode; }
catch(e) { parent = element; }
}

if (parent === element) return;

handler.call(element, event);
};
}
} else {
responder = function(event) {
Event.extend(event, element);
handler.call(element, event);
};
}
}

responder.handler = handler;
respondersForEvent.push(responder);
return responder;
}

function _destroyCache() {
for (var i = 0, length = CACHE.length; i < length; i++) {
Event.stopObserving(CACHE[i]);
CACHE[i] = null;
}
}

var CACHE = [];

if (Prototype.Browser.IE)
window.attachEvent('onunload', _destroyCache);

if (Prototype.Browser.WebKit)
window.addEventListener('unload', Prototype.emptyFunction, false);


var _getDOMEventName = Prototype.K,
translations = { mouseenter: "mouseover", mouseleave: "mouseout" };

if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED) {
_getDOMEventName = function(eventName) {
return (translations[eventName] || eventName);
};
}

function observe(element, eventName, handler) {
element = $(element);

var responder = _createResponder(element, eventName, handler);

if (!responder) return element;

if (eventName.include(':')) {
if (element.addEventListener)
element.addEventListener("dataavailable", responder, false);
else {
element.attachEvent("ondataavailable", responder);
element.attachEvent("onlosecapture", responder);
}
} else {
var actualEventName = _getDOMEventName(eventName);

if (element.addEventListener)
element.addEventListener(actualEventName, responder, false);
else
element.attachEvent("on" + actualEventName, responder);
}

return element;
}

function stopObserving(element, eventName, handler) {
element = $(element);

var registry = Element.retrieve(element, 'prototype_event_registry');
if (!registry) return element;

if (!eventName) {
registry.each( function(pair) {
var eventName = pair.key;
stopObserving(element, eventName);
});
return element;
}

var responders = registry.get(eventName);
if (!responders) return element;

if (!handler) {
responders.each(function(r) {
stopObserving(element, eventName, r.handler);
});
return element;
}

var i = responders.length, responder;
while (i--) {
if (responders[i].handler === handler) {
responder = responders[i];
break;
}
}
if (!responder) return element;

if (eventName.include(':')) {
if (element.removeEventListener)
element.removeEventListener("dataavailable", responder, false);
else {
element.detachEvent("ondataavailable", responder);
element.detachEvent("onlosecapture", responder);
}
} else {
var actualEventName = _getDOMEventName(eventName);
if (element.removeEventListener)
element.removeEventListener(actualEventName, responder, false);
else
element.detachEvent('on' + actualEventName, responder);
}

registry.set(eventName, responders.without(responder));

return element;
}

function fire(element, eventName, memo, bubble) {
element = $(element);

if (Object.isUndefined(bubble))
bubble = true;

if (element == document && document.createEvent && !element.dispatchEvent)
element = document.documentElement;

var event;
if (document.createEvent) {
event = document.createEvent('HTMLEvents');
event.initEvent('dataavailable', bubble, true);
} else {
event = document.createEventObject();
event.eventType = bubble ? 'ondataavailable' : 'onlosecapture';
}

event.eventName = eventName;
event.memo = memo || { };

if (document.createEvent)
element.dispatchEvent(event);
else
element.fireEvent(event.eventType, event);

return Event.extend(event);
}

Event.Handler = Class.create({
initialize: function(element, eventName, selector, callback) {
this.element = $(element);
this.eventName = eventName;
this.selector = selector;
this.callback = callback;
this.handler = this.handleEvent.bind(this);
},

start: function() {
Event.observe(this.element, this.eventName, this.handler);
return this;
},

stop: function() {
Event.stopObserving(this.element, this.eventName, this.handler);
return this;
},

handleEvent: function(event) {
var element = Event.findElement(event, this.selector);
if (element) this.callback.call(this.element, event, element);
}
});

function on(element, eventName, selector, callback) {
element = $(element);
if (Object.isFunction(selector) && Object.isUndefined(callback)) {
callback = selector, selector = null;
}

return new Event.Handler(element, eventName, selector, callback).start();
}

Object.extend(Event, Event.Methods);

Object.extend(Event, {
fire: fire,
observe: observe,
stopObserving: stopObserving,
on: on
});

Element.addMethods({
fire: fire,

observe: observe,

stopObserving: stopObserving,

on: on
});

Object.extend(document, {
fire: fire.methodize(),

observe: observe.methodize(),

stopObserving: stopObserving.methodize(),

on: on.methodize(),

loaded: false
});

if (window.Event) Object.extend(window.Event, Event);
else window.Event = Event;
})();

(function() {
/* Support for the DOMContentLoaded event is based on work by Dan Webb,
Matthias Miller, Dean Edwards, John Resig, and Diego Perini. */

var timer;

function fireContentLoadedEvent() {
if (document.loaded) return;
if (timer) window.clearTimeout(timer);
document.loaded = true;
document.fire('dom:loaded');
}

function checkReadyState() {
if (document.readyState === 'complete') {
document.stopObserving('readystatechange', checkReadyState);
fireContentLoadedEvent();
}
}

function pollDoScroll() {
try { document.documentElement.doScroll('left'); }
catch(e) {
timer = pollDoScroll.defer();
return;
}
fireContentLoadedEvent();
}

if (document.addEventListener) {
document.addEventListener('DOMContentLoaded', fireContentLoadedEvent, false);
} else {
document.observe('readystatechange', checkReadyState);
if (window == top)
timer = pollDoScroll.defer();
}

Event.observe(window, 'load', fireContentLoadedEvent);
})();


Element.addMethods();
/*------------------------------- DEPRECATED -------------------------------*/

Hash.toQueryString = Object.toQueryString;

var Toggle = { display: Element.toggle };

Element.Methods.childOf = Element.Methods.descendantOf;

var Insertion = {
Before: function(element, content) {
return Element.insert(element, {before:content});
},

Top: function(element, content) {
return Element.insert(element, {top:content});
},

Bottom: function(element, content) {
return Element.insert(element, {bottom:content});
},

After: function(element, content) {
return Element.insert(element, {after:content});
}
};

var $continue = new Error('"throw $continue" is deprecated, use "return" instead');

var Position = {
includeScrollOffsets: false,

prepare: function() {
this.deltaX = window.pageXOffset
|| document.documentElement.scrollLeft
|| document.body.scrollLeft
|| 0;
this.deltaY = window.pageYOffset
|| document.documentElement.scrollTop
|| document.body.scrollTop
|| 0;
},

within: function(element, x, y) {
if (this.includeScrollOffsets)
return this.withinIncludingScrolloffsets(element, x, y);
this.xcomp = x;
this.ycomp = y;
this.offset = Element.cumulativeOffset(element);

return (y >= this.offset[1] &&
y < this.offset[1] + element.offsetHeight &&
x >= this.offset[0] &&
x < this.offset[0] + element.offsetWidth);
},

withinIncludingScrolloffsets: function(element, x, y) {
var offsetcache = Element.cumulativeScrollOffset(element);

this.xcomp = x + offsetcache[0] - this.deltaX;
this.ycomp = y + offsetcache[1] - this.deltaY;
this.offset = Element.cumulativeOffset(element);

return (this.ycomp >= this.offset[1] &&
this.ycomp < this.offset[1] + element.offsetHeight &&
this.xcomp >= this.offset[0] &&
this.xcomp < this.offset[0] + element.offsetWidth);
},

overlap: function(mode, element) {
if (!mode) return 0;
if (mode == 'vertical')
return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
element.offsetHeight;
if (mode == 'horizontal')
return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
element.offsetWidth;
},


cumulativeOffset: Element.Methods.cumulativeOffset,

positionedOffset: Element.Methods.positionedOffset,

absolutize: function(element) {
Position.prepare();
return Element.absolutize(element);
},

relativize: function(element) {
Position.prepare();
return Element.relativize(element);
},

realOffset: Element.Methods.cumulativeScrollOffset,

offsetParent: Element.Methods.getOffsetParent,

page: Element.Methods.viewportOffset,

clone: function(source, target, options) {
options = options || { };
return Element.clonePosition(target, source, options);
}
};

/*--------------------------------------------------------------------------*/

if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){
function iter(name) {
return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]";
}

instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ?
function(element, className) {
className = className.toString().strip();
var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className);
return cond ? document._getElementsByXPath('.//*' + cond, element) : [];
} : function(element, className) {
className = className.toString().strip();
var elements = [], classNames = (/\s/.test(className) ? $w(className) : null);
if (!classNames && !className) return elements;

var nodes = $(element).getElementsByTagName('*');
className = ' ' + className + ' ';

for (var i = 0, child, cn; child = nodes[i]; i++) {
if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) ||
(classNames && classNames.all(function(name) {
return !name.toString().blank() && cn.include(' ' + name + ' ');
}))))
elements.push(Element.extend(child));
}
return elements;
};

return function(className, parentElement) {
return $(parentElement || document.body).getElementsByClassName(className);
};
}(Element.Methods);

/*--------------------------------------------------------------------------*/

Element.ClassNames = Class.create();
Element.ClassNames.prototype = {
initialize: function(element) {
this.element = $(element);
},

_each: function(iterator) {
this.element.className.split(/\s+/).select(function(name) {
return name.length > 0;
})._each(iterator);
},

set: function(className) {
this.element.className = className;
},

add: function(classNameToAdd) {
if (this.include(classNameToAdd)) return;
this.set($A(this).concat(classNameToAdd).join(' '));
},

remove: function(classNameToRemove) {
if (!this.include(classNameToRemove)) return;
this.set($A(this).without(classNameToRemove).join(' '));
},

toString: function() {
return $A(this).join(' ');
}
};

Object.extend(Element.ClassNames.prototype, Enumerable);

/*--------------------------------------------------------------------------*/

(function() {
window.Selector = Class.create({
initialize: function(expression) {
this.expression = expression.strip();
},

findElements: function(rootElement) {
return Prototype.Selector.select(this.expression, rootElement);
},

match: function(element) {
return Prototype.Selector.match(element, this.expression);
},

toString: function() {
return this.expression;
},

inspect: function() {
return "#<Selector: " + this.expression + ">";
}
});

Object.extend(Selector, {
matchElements: function(elements, expression) {
var match = Prototype.Selector.match,
results = [];

for (var i = 0, length = elements.length; i < length; i++) {
var element = elements[i];
if (match(element, expression)) {
results.push(Element.extend(element));
}
}
return results;
},

findElement: function(elements, expression, index) {
index = index || 0;
var matchIndex = 0, element;
for (var i = 0, length = elements.length; i < length; i++) {
element = elements[i];
if (Prototype.Selector.match(element, expression) && index === matchIndex++) {
return Element.extend(element);
}
}
},

findChildElements: function(element, expressions) {
var selector = expressions.toArray().join(', ');
return Prototype.Selector.select(selector, element || document);
}
});
})();