//
//  iWeb - iWebSite.js
//  Copyright (c) 2007-2008 Apple Inc. All rights reserved.
//
//
//  This file includes a copy of the Prototype JavaScript framework:
//

var Prototype={Version:'1.6.0',Browser:{IE:!!(window.attachEvent&&!window.opera),Opera:!!window.opera,WebKit:navigator.userAgent.indexOf('AppleWebKit/')>-1,Gecko:navigator.userAgent.indexOf('Gecko')>-1&&navigator.userAgent.indexOf('KHTML')==-1,MobileSafari:!!navigator.userAgent.match(/Apple.*Mobile.*Safari/)},BrowserFeatures:{XPath:!!document.evaluate,ElementExtensions:!!window.HTMLElement,SpecificElementExtensions:document.createElement('div').__proto__&&document.createElement('div').__proto__!==document.createElement('form').__proto__},ScriptFragment:'<script[^>]*>([\\S\\s]*?)<\/script>',JSONFilter:/^\/\*-secure-([\s\S]*)\*\/\s*$/,emptyFunction:function(){},K:function(x){return x}};if(Prototype.Browser.MobileSafari)
Prototype.BrowserFeatures.SpecificElementExtensions=false;if(Prototype.Browser.WebKit)
Prototype.BrowserFeatures.XPath=false;var Class={create:function(){var parent=null,properties=$A(arguments);if(Object.isFunction(properties[0]))
parent=properties.shift();function klass(){this.initialize.apply(this,arguments);}
Object.extend(klass,Class.Methods);klass.superclass=parent;klass.subclasses=[];if(parent){var subclass=function(){};subclass.prototype=parent.prototype;klass.prototype=new subclass;parent.subclasses.push(klass);}
for(var i=0;i<properties.length;i++)
klass.addMethods(properties[i]);if(!klass.prototype.initialize)
klass.prototype.initialize=Prototype.emptyFunction;klass.prototype.constructor=klass;return klass;}};Class.Methods={addMethods:function(source){var ancestor=this.superclass&&this.superclass.prototype;var properties=Object.keys(source);if(!Object.keys({toString:true}).length)
properties.push("toString","valueOf");for(var i=0,length=properties.length;i<length;i++){var property=properties[i],value=source[property];if(ancestor&&Object.isFunction(value)&&value.argumentNames().first()=="$super"){var method=value,value=Object.extend((function(m){return function(){return ancestor[m].apply(this,arguments)};})(property).wrap(method),{valueOf:function(){return method},toString:function(){return method.toString()}});}
this.prototype[property]=value;}
return this;}};var Abstract={};Object.extend=function(destination,source){for(var property in source)
destination[property]=source[property];return destination;};Object.extend(Object,{inspect:function(object){try{if(object===undefined)return'undefined';if(object===null)return'null';return object.inspect?object.inspect():object.toString();}catch(e){if(e instanceof RangeError)return'...';throw e;}},toJSON:function(object){var type=typeof object;switch(type){case'undefined':case'function':case'unknown':return;case'boolean':return object.toString();}
if(object===null)return'null';if(object.toJSON)return object.toJSON();if(Object.isElement(object))return;var results=[];for(var property in object){var value=Object.toJSON(object[property]);if(value!==undefined)
results.push(property.toJSON()+': '+value);}
return'{'+results.join(', ')+'}';},toQueryString:function(object){return $H(object).toQueryString();},toHTML:function(object){return object&&object.toHTML?object.toHTML():String.interpret(object);},keys:function(object){var keys=[];for(var property in object)
keys.push(property);return keys;},values:function(object){var values=[];for(var property in object)
values.push(object[property]);return values;},clone:function(object){return Object.extend({},object);},isElement:function(object){return object&&object.nodeType==1;},isArray:function(object){return object&&object.constructor===Array;},isHash:function(object){return object instanceof Hash;},isFunction:function(object){return typeof object=="function";},isString:function(object){return typeof object=="string";},isNumber:function(object){return typeof object=="number";},isUndefined:function(object){return typeof object=="undefined";}});Object.extend(Function.prototype,{argumentNames:function(){var names=this.toString().match(/^[\s\(]*function[^(]*\((.*?)\)/)[1].split(",").invoke("strip");return names.length==1&&!names[0]?[]:names;},bind:function(){if(arguments.length<2&&arguments[0]===undefined)return this;var __method=this,args=$A(arguments),object=args.shift();return function(){return __method.apply(object,args.concat($A(arguments)));}},bindAsEventListener:function(){var __method=this,args=$A(arguments),object=args.shift();return function(event){return __method.apply(object,[event||window.event].concat(args));}},curry:function(){if(!arguments.length)return this;var __method=this,args=$A(arguments);return function(){return __method.apply(this,args.concat($A(arguments)));}},delay:function(){var __method=this,args=$A(arguments),timeout=args.shift()*1000;return window.setTimeout(function(){return __method.apply(__method,args);},timeout);},wrap:function(wrapper){var __method=this;return function(){return wrapper.apply(this,[__method.bind(this)].concat($A(arguments)));}},methodize:function(){if(this._methodized)return this._methodized;var __method=this;return this._methodized=function(){return __method.apply(null,[this].concat($A(arguments)));};}});Function.prototype.defer=Function.prototype.delay.curry(0.01);Date.prototype.toJSON=function(){return'"'+this.getUTCFullYear()+'-'+
(this.getUTCMonth()+1).toPaddedString(2)+'-'+
this.getUTCDate().toPaddedString(2)+'T'+
this.getUTCHours().toPaddedString(2)+':'+
this.getUTCMinutes().toPaddedString(2)+':'+
this.getUTCSeconds().toPaddedString(2)+'Z"';};var Try={these:function(){var returnValue;for(var i=0,length=arguments.length;i<length;i++){var lambda=arguments[i];try{returnValue=lambda();break;}catch(e){}}
return returnValue;}};RegExp.prototype.match=RegExp.prototype.test;RegExp.escape=function(str){return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g,'\\$1');};var PeriodicalExecuter=Class.create({initialize:function(callback,frequency){this.callback=callback;this.frequency=frequency;this.currentlyExecuting=false;this.registerCallback();},registerCallback:function(){this.timer=setInterval(this.onTimerEvent.bind(this),this.frequency*1000);},execute:function(){this.callback(this);},stop:function(){if(!this.timer)return;clearInterval(this.timer);this.timer=null;},onTimerEvent:function(){if(!this.currentlyExecuting){try{this.currentlyExecuting=true;this.execute();}finally{this.currentlyExecuting=false;}}}});Object.extend(String,{interpret:function(value){return value==null?'':String(value);},specialChar:{'\b':'\\b','\t':'\\t','\n':'\\n','\f':'\\f','\r':'\\r','\\':'\\\\'}});Object.extend(String.prototype,{gsub:function(pattern,replacement){var result='',source=this,match;replacement=arguments.callee.prepareReplacement(replacement);while(source.length>0){if(match=source.match(pattern)){result+=source.slice(0,match.index);result+=String.interpret(replacement(match));source=source.slice(match.index+match[0].length);}else{result+=source,source='';}}
return result;},sub:function(pattern,replacement,count){replacement=this.gsub.prepareReplacement(replacement);count=count===undefined?1:count;return this.gsub(pattern,function(match){if(--count<0)return match[0];return replacement(match);});},scan:function(pattern,iterator){this.gsub(pattern,iterator);return String(this);},truncate:function(length,truncation){length=length||30;truncation=truncation===undefined?'...':truncation;return this.length>length?this.slice(0,length-truncation.length)+truncation:String(this);},strip:function(){return this.replace(/^\s+/,'').replace(/\s+$/,'');},stripTags:function(){return this.replace(/<\/?[^>]+>/gi,'');},stripScripts:function(){return this.replace(new RegExp(Prototype.ScriptFragment,'img'),'');},extractScripts:function(){var matchAll=new RegExp(Prototype.ScriptFragment,'img');var matchOne=new RegExp(Prototype.ScriptFragment,'im');return(this.match(matchAll)||[]).map(function(scriptTag){return(scriptTag.match(matchOne)||['',''])[1];});},evalScripts:function(){return this.extractScripts().map(function(script){return eval(script)});},escapeHTML:function(){var self=arguments.callee;self.text.data=this;return self.div.innerHTML;},unescapeHTML:function(){var div=new Element('div');div.innerHTML=this.stripTags();return div.childNodes[0]?(div.childNodes.length>1?$A(div.childNodes).inject('',function(memo,node){return memo+node.nodeValue}):div.childNodes[0].nodeValue):'';},toQueryParams:function(separator){var match=this.strip().match(/([^?#]*)(#.*)?$/);if(!match)return{};return match[1].split(separator||'&').inject({},function(hash,pair){if((pair=pair.split('='))[0]){var key=decodeURIComponent(pair.shift());var value=pair.length>1?pair.join('='):pair[0];if(value!=undefined)value=decodeURIComponent(value);if(key in hash){if(!Object.isArray(hash[key]))hash[key]=[hash[key]];hash[key].push(value);}
else hash[key]=value;}
return hash;});},toArray:function(){return this.split('');},succ:function(){return this.slice(0,this.length-1)+
String.fromCharCode(this.charCodeAt(this.length-1)+1);},times:function(count){return count<1?'':new Array(count+1).join(this);},camelize:function(){var parts=this.split('-'),len=parts.length;if(len==1)return parts[0];var camelized=this.charAt(0)=='-'?parts[0].charAt(0).toUpperCase()+parts[0].substring(1):parts[0];for(var i=1;i<len;i++)
camelized+=parts[i].charAt(0).toUpperCase()+parts[i].substring(1);return camelized;},capitalize:function(){return this.charAt(0).toUpperCase()+this.substring(1).toLowerCase();},underscore:function(){return this.gsub(/::/,'/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();},dasherize:function(){return this.gsub(/_/,'-');},inspect:function(useDoubleQuotes){var escapedString=this.gsub(/[\x00-\x1f\\]/,function(match){var character=String.specialChar[match[0]];return character?character:'\\u00'+match[0].charCodeAt().toPaddedString(2,16);});if(useDoubleQuotes)return'"'+escapedString.replace(/"/g,'\\"')+'"';return"'"+escapedString.replace(/'/g,'\\\'')+"'";},toJSON:function(){return this.inspect(true);},unfilterJSON:function(filter){return this.sub(filter||Prototype.JSONFilter,'#{1}');},isJSON:function(){var str=this.replace(/\\./g,'@').replace(/"[^"\\\n\r]*"/g,'');return(/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);},evalJSON:function(sanitize){var json=this.unfilterJSON();try{if(!sanitize||json.isJSON())return eval('('+json+')');}catch(e){}
throw new SyntaxError('Badly formed JSON string: '+this.inspect());},include:function(pattern){return this.indexOf(pattern)>-1;},startsWith:function(pattern){return this.indexOf(pattern)===0;},endsWith:function(pattern){var d=this.length-pattern.length;return d>=0&&this.lastIndexOf(pattern)===d;},empty:function(){return this=='';},blank:function(){return/^\s*$/.test(this);},interpolate:function(object,pattern){return new Template(this,pattern).evaluate(object);}});if(Prototype.Browser.WebKit||Prototype.Browser.IE)Object.extend(String.prototype,{escapeHTML:function(){return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');},unescapeHTML:function(){return this.replace(/&amp;/g,'&').replace(/&lt;/g,'<').replace(/&gt;/g,'>');}});String.prototype.gsub.prepareReplacement=function(replacement){if(Object.isFunction(replacement))return replacement;var template=new Template(replacement);return function(match){return template.evaluate(match)};};String.prototype.parseQuery=String.prototype.toQueryParams;Object.extend(String.prototype.escapeHTML,{div:document.createElement('div'),text:document.createTextNode('')});with(String.prototype.escapeHTML)div.appendChild(text);var Template=Class.create({initialize:function(template,pattern){this.template=template.toString();this.pattern=pattern||Template.Pattern;},evaluate:function(object){if(Object.isFunction(object.toTemplateReplacements))
object=object.toTemplateReplacements();return this.template.gsub(this.pattern,function(match){if(object==null)return'';var before=match[1]||'';if(before=='\\')return match[2];var ctx=object,expr=match[3];var pattern=/^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/,match=pattern.exec(expr);if(match==null)return before;while(match!=null){var comp=match[1].startsWith('[')?match[2].gsub('\\\\]',']'):match[1];ctx=ctx[comp];if(null==ctx||''==match[3])break;expr=expr.substring('['==match[3]?match[1].length:match[0].length);match=pattern.exec(expr);}
return before+String.interpret(ctx);}.bind(this));}});Template.Pattern=/(^|.|\r|\n)(#\{(.*?)\})/;var $break={};var Enumerable={each:function(iterator,context){var index=0;iterator=iterator.bind(context);try{this._each(function(value){iterator(value,index++);});}catch(e){if(e!=$break)throw e;}
return this;},eachSlice:function(number,iterator,context){iterator=iterator?iterator.bind(context):Prototype.K;var index=-number,slices=[],array=this.toArray();while((index+=number)<array.length)
slices.push(array.slice(index,index+number));return slices.collect(iterator,context);},all:function(iterator,context){iterator=iterator?iterator.bind(context):Prototype.K;var result=true;this.each(function(value,index){result=result&&!!iterator(value,index);if(!result)throw $break;});return result;},any:function(iterator,context){iterator=iterator?iterator.bind(context):Prototype.K;var result=false;this.each(function(value,index){if(result=!!iterator(value,index))
throw $break;});return result;},collect:function(iterator,context){iterator=iterator?iterator.bind(context):Prototype.K;var results=[];this.each(function(value,index){results.push(iterator(value,index));});return results;},detect:function(iterator,context){iterator=iterator.bind(context);var result;this.each(function(value,index){if(iterator(value,index)){result=value;throw $break;}});return result;},findAll:function(iterator,context){iterator=iterator.bind(context);var results=[];this.each(function(value,index){if(iterator(value,index))
results.push(value);});return results;},grep:function(filter,iterator,context){iterator=iterator?iterator.bind(context):Prototype.K;var results=[];if(Object.isString(filter))
filter=new RegExp(filter);this.each(function(value,index){if(filter.match(value))
results.push(iterator(value,index));});return results;},include:function(object){if(Object.isFunction(this.indexOf))
if(this.indexOf(object)!=-1)return true;var found=false;this.each(function(value){if(value==object){found=true;throw $break;}});return found;},inGroupsOf:function(number,fillWith){fillWith=fillWith===undefined?null:fillWith;return this.eachSlice(number,function(slice){while(slice.length<number)slice.push(fillWith);return slice;});},inject:function(memo,iterator,context){iterator=iterator.bind(context);this.each(function(value,index){memo=iterator(memo,value,index);});return memo;},invoke:function(method){var args=$A(arguments).slice(1);return this.map(function(value){return value[method].apply(value,args);});},max:function(iterator,context){iterator=iterator?iterator.bind(context):Prototype.K;var result;this.each(function(value,index){value=iterator(value,index);if(result==undefined||value>=result)
result=value;});return result;},min:function(iterator,context){iterator=iterator?iterator.bind(context):Prototype.K;var result;this.each(function(value,index){value=iterator(value,index);if(result==undefined||value<result)
result=value;});return result;},partition:function(iterator,context){iterator=iterator?iterator.bind(context):Prototype.K;var trues=[],falses=[];this.each(function(value,index){(iterator(value,index)?trues:falses).push(value);});return[trues,falses];},pluck:function(property){var results=[];this.each(function(value){results.push(value[property]);});return results;},reject:function(iterator,context){iterator=iterator.bind(context);var results=[];this.each(function(value,index){if(!iterator(value,index))
results.push(value);});return results;},sortBy:function(iterator,context){iterator=iterator.bind(context);return this.map(function(value,index){return{value:value,criteria:iterator(value,index)};}).sort(function(left,right){var a=left.criteria,b=right.criteria;return a<b?-1:a>b?1:0;}).pluck('value');},toArray:function(){return this.map();},zip:function(){var iterator=Prototype.K,args=$A(arguments);if(Object.isFunction(args.last()))
iterator=args.pop();var collections=[this].concat(args).map($A);return this.map(function(value,index){return iterator(collections.pluck(index));});},size:function(){return this.toArray().length;},inspect:function(){return'#<Enumerable:'+this.toArray().inspect()+'>';}};Object.extend(Enumerable,{map:Enumerable.collect,find:Enumerable.detect,select:Enumerable.findAll,filter:Enumerable.findAll,member:Enumerable.include,entries:Enumerable.toArray,every:Enumerable.all,some:Enumerable.any});function $A(iterable){if(!iterable)return[];if(iterable.toArray)return iterable.toArray();var length=iterable.length,results=new Array(length);while(length--)results[length]=iterable[length];return results;}
if(Prototype.Browser.WebKit){function $A(iterable){if(!iterable)return[];if(!(Object.isFunction(iterable)&&iterable=='[object NodeList]')&&iterable.toArray)return iterable.toArray();var length=iterable.length,results=new Array(length);while(length--)results[length]=iterable[length];return results;}}
Array.from=$A;Object.extend(Array.prototype,Enumerable);if(!Array.prototype._reverse)Array.prototype._reverse=Array.prototype.reverse;Object.extend(Array.prototype,{_each:function(iterator){for(var i=0,length=this.length;i<length;i++)
iterator(this[i]);},clear:function(){this.length=0;return this;},first:function(){return this[0];},last:function(){return this[this.length-1];},compact:function(){return this.select(function(value){return value!=null;});},flatten:function(){return this.inject([],function(array,value){return array.concat(Object.isArray(value)?value.flatten():[value]);});},without:function(){var values=$A(arguments);return this.select(function(value){return!values.include(value);});},reverse:function(inline){return(inline!==false?this:this.toArray())._reverse();},reduce:function(){return this.length>1?this:this[0];},uniq:function(sorted){return this.inject([],function(array,value,index){if(0==index||(sorted?array.last()!=value:!array.include(value)))
array.push(value);return array;});},intersect:function(array){return this.uniq().findAll(function(item){return array.detect(function(value){return item===value});});},clone:function(){return[].concat(this);},size:function(){return this.length;},inspect:function(){return'['+this.map(Object.inspect).join(', ')+']';},toJSON:function(){var results=[];this.each(function(object){var value=Object.toJSON(object);if(value!==undefined)results.push(value);});return'['+results.join(', ')+']';}});if(Object.isFunction(Array.prototype.forEach))
Array.prototype._each=Array.prototype.forEach;if(!Array.prototype.indexOf)Array.prototype.indexOf=function(item,i){i||(i=0);var length=this.length;if(i<0)i=length+i;for(;i<length;i++)
if(this[i]===item)return i;return-1;};if(!Array.prototype.lastIndexOf)Array.prototype.lastIndexOf=function(item,i){i=isNaN(i)?this.length:(i<0?this.length+i:i)+1;var n=this.slice(0,i).reverse().indexOf(item);return(n<0)?n:i-n-1;};Array.prototype.toArray=Array.prototype.clone;function $w(string){if(!Object.isString(string))return[];string=string.strip();return string?string.split(/\s+/):[];}
if(Prototype.Browser.Opera){Array.prototype.concat=function(){var array=[];for(var i=0,length=this.length;i<length;i++)array.push(this[i]);for(var i=0,length=arguments.length;i<length;i++){if(Object.isArray(arguments[i])){for(var j=0,arrayLength=arguments[i].length;j<arrayLength;j++)
array.push(arguments[i][j]);}else{array.push(arguments[i]);}}
return array;};}
Object.extend(Number.prototype,{toColorPart:function(){return this.toPaddedString(2,16);},succ:function(){return this+1;},times:function(iterator){$R(0,this,true).each(iterator);return this;},toPaddedString:function(length,radix){var string=this.toString(radix||10);return'0'.times(length-string.length)+string;},toJSON:function(){return isFinite(this)?this.toString():'null';}});$w('abs round ceil floor').each(function(method){Number.prototype[method]=Math[method].methodize();});function $H(object){return new Hash(object);};var Hash=Class.create(Enumerable,(function(){if(function(){var i=0,Test=function(value){this.key=value};Test.prototype.key='foo';for(var property in new Test('bar'))i++;return i>1;}()){function each(iterator){var cache=[];for(var key in this._object){var value=this._object[key];if(cache.include(key))continue;cache.push(key);var pair=[key,value];pair.key=key;pair.value=value;iterator(pair);}}}else{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 toQueryPair(key,value){if(Object.isUndefined(value))return key;return key+'='+encodeURIComponent(String.interpret(value));}
return{initialize:function(object){this._object=Object.isHash(object)?object.toObject():Object.clone(object);},_each:each,set:function(key,value){return this._object[key]=value;},get:function(key){return this._object[key];},unset:function(key){var value=this._object[key];delete this._object[key];return value;},toObject:function(){return Object.clone(this._object);},keys:function(){return this.pluck('key');},values:function(){return this.pluck('value');},index:function(value){var match=this.detect(function(pair){return pair.value===value;});return match&&match.key;},merge:function(object){return this.clone().update(object);},update:function(object){return new Hash(object).inject(this,function(result,pair){result.set(pair.key,pair.value);return result;});},toQueryString:function(){return this.map(function(pair){var key=encodeURIComponent(pair.key),values=pair.value;if(values&&typeof values=='object'){if(Object.isArray(values))
return values.map(toQueryPair.curry(key)).join('&');}
return toQueryPair(key,values);}).join('&');},inspect:function(){return'#<Hash:{'+this.map(function(pair){return pair.map(Object.inspect).join(': ');}).join(', ')+'}>';},toJSON:function(){return Object.toJSON(this.toObject());},clone:function(){return new Hash(this);}}})());Hash.prototype.toTemplateReplacements=Hash.prototype.toObject;Hash.from=$H;var ObjectRange=Class.create(Enumerable,{initialize:function(start,end,exclusive){this.start=start;this.end=end;this.exclusive=exclusive;},_each:function(iterator){var value=this.start;while(this.include(value)){iterator(value);value=value.succ();}},include:function(value){if(value<this.start)
return false;if(this.exclusive)
return value<this.end;return value<=this.end;}});var $R=function(start,end,exclusive){return new ObjectRange(start,end,exclusive);};var Ajax={getTransport:function(){return Try.these(function(){return new XMLHttpRequest()},function(){return new ActiveXObject('Msxml2.XMLHTTP')},function(){return new ActiveXObject('Microsoft.XMLHTTP')})||false;},activeRequestCount:0};Ajax.Responders={responders:[],_each:function(iterator){this.responders._each(iterator);},register:function(responder){if(!this.include(responder))
this.responders.push(responder);},unregister:function(responder){this.responders=this.responders.without(responder);},dispatch:function(callback,request,transport,json){this.each(function(responder){if(Object.isFunction(responder[callback])){try{responder[callback].apply(responder,[request,transport,json]);}catch(e){}}});}};Object.extend(Ajax.Responders,Enumerable);Ajax.Responders.register({onCreate:function(){Ajax.activeRequestCount++},onComplete:function(){Ajax.activeRequestCount--}});Ajax.Base=Class.create({initialize:function(options){this.options={method:'post',asynchronous:true,contentType:'application/x-www-form-urlencoded',encoding:'UTF-8',parameters:'',evalJSON:true,evalJS:true};Object.extend(this.options,options||{});this.options.method=this.options.method.toLowerCase();if(Object.isString(this.options.parameters))
this.options.parameters=this.options.parameters.toQueryParams();}});Ajax.Request=Class.create(Ajax.Base,{_complete:false,initialize:function($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
$H(extras).each(function(pair){headers[pair.key]=pair.value});}
for(var name in headers)
this.transport.setRequestHeader(name,headers[name]);},success:function(){var status=this.getStatus();return!status||(status>=200&&status<300);},getStatus:function(){try{return this.transport.status||0;}catch(e){return 0}},respondToReadyState:function(readyState){var state=Ajax.Request.Events[readyState],response=new Ajax.Response(this);if(state=='Complete'){try{this._complete=true;(this.options['on'+response.status]||this.options['on'+(this.success()?'Success':'Failure')]||Prototype.emptyFunction)(response,response.headerJSON);}catch(e){this.dispatchException(e);}
var contentType=response.getHeader('Content-type');if(this.options.evalJS=='force'||(this.options.evalJS&&contentType&&contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/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;}},getHeader:function(name){try{return this.transport.getResponseHeader(name);}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=xml===undefined?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);}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')))
return null;try{return this.transport.responseText.evalJSON(options.sanitizeJSON);}catch(e){this.request.dispatchException(e);}}});Ajax.Updater=Class.create(Ajax.Request,{initialize:function($super,container,url,options){this.container={success:(container.success||container),failure:(container.failure||(container.success?null:container))};options=options||{};var onComplete=options.onComplete;options.onComplete=(function(response,param){this.updateContent(response.responseText);if(Object.isFunction(onComplete))onComplete(response,param);}).bind(this);$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=$(receiver)){if(options.insertion){if(Object.isString(options.insertion)){var insertion={};insertion[options.insertion]=responseText;receiver.insert(insertion);}
else options.insertion(receiver,responseText);}
else receiver.update(responseText);}
if(this.success()){if(this.onComplete)this.onComplete.bind(this).defer();}}});Ajax.PeriodicalUpdater=Class.create(Ajax.Base,{initialize:function($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;};}
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(function(){var element=this.Element;this.Element=function(tagName,attributes){attributes=attributes||{};tagName=tagName.toLowerCase();var cache=Element.cache;if(Prototype.Browser.IE&&attributes.name){tagName='<'+tagName+' name="'+attributes.name+'">';delete attributes.name;return Element.writeAttribute(document.createElement(tagName),attributes);}
if(!cache[tagName])cache[tagName]=Element.extend(document.createElement(tagName));return Element.writeAttribute(cache[tagName].cloneNode(false),attributes);};Object.extend(this.Element,element||{});}).call(window);Element.cache={};Element.Methods={visible:function(element){return $(element).style.display!='none';},toggle:function(element){element=$(element);Element[Element.visible(element)?'hide':'show'](element);return element;},hide:function(element){$(element).style.display='none';return element;},show:function(element){$(element).style.display='';return element;},remove:function(element){element=$(element);element.parentNode.removeChild(element);return element;},update:function(element,content){element=$(element);if(content&&content.toElement)content=content.toElement();if(Object.isElement(content))return element.update().insert(content);content=Object.toHTML(content);element.innerHTML=content.stripScripts();content.evalScripts.bind(content).defer();return element;},replace:function(element,content){element=$(element);if(content&&content.toElement)content=content.toElement();else if(!Object.isElement(content)){content=Object.toHTML(content);var range=element.ownerDocument.createRange();range.selectNode(element);content.evalScripts.bind(content).defer();content=range.createContextualFragment(content.stripScripts());}
element.parentNode.replaceChild(content,element);return element;},insert:function(element,insertions){element=$(element);if(Object.isString(insertions)||Object.isNumber(insertions)||Object.isElement(insertions)||(insertions&&(insertions.toElement||insertions.toHTML)))
insertions={bottom:insertions};var content,t,range;for(position in insertions){content=insertions[position];position=position.toLowerCase();t=Element._insertionTranslations[position];if(content&&content.toElement)content=content.toElement();if(Object.isElement(content)){t.insert(element,content);continue;}
content=Object.toHTML(content);range=element.ownerDocument.createRange();t.initializeRange(element,range);t.insert(element,range.createContextualFragment(content.stripScripts()));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));retu
