var Prototype={Version:'1.4.0_pre10_ajax',emptyFunction:function(){},K:function(x){return x}}
var Class={create:function(){return function(){this.initialize.apply(this,arguments);}}}
var Abstract=new Object();Object.extend=function(destination,source){for(property in source){destination[property]=source[property];}
return destination;}
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;}}
Function.prototype.bind=function(object){var __method=this;return function(){return __method.apply(object,arguments);}}
Function.prototype.bindAsEventListener=function(object){var __method=this;return function(event){return __method.call(object,event||window.event);}}
Object.extend(Number.prototype,{toColorPart:function(){var digits=this.toString(16);if(this<16)return'0'+digits;return digits;},succ:function(){return this+1;},times:function(iterator){$R(0,this,true).each(iterator);return this;}});var Try={these:function(){var returnValue;for(var i=0;i<arguments.length;i++){var lambda=arguments[i];try{returnValue=lambda();break;}catch(e){}}
return returnValue;}}
var PeriodicalExecuter=Class.create();PeriodicalExecuter.prototype={initialize:function(callback,frequency){this.callback=callback;this.frequency=frequency;this.currentlyExecuting=false;this.registerCallback();},registerCallback:function(){setInterval(this.onTimerEvent.bind(this),this.frequency*1000);},onTimerEvent:function(){if(!this.currentlyExecuting){try{this.currentlyExecuting=true;this.callback();}finally{this.currentlyExecuting=false;}}}}
function $(){var elements=new Array();for(var i=0;i<arguments.length;i++){var element=arguments[i];if(typeof element=='string')
element=document.getElementById(element);if(arguments.length==1)
return element;elements.push(element);}
return elements;}
var Ajax={getTransport:function(){return Try.these(function(){return new ActiveXObject('Msxml2.XMLHTTP')},function(){return new ActiveXObject('Microsoft.XMLHTTP')},function(){return new XMLHttpRequest()})||false;}}
Ajax.Base=function(){};Ajax.Base.prototype={setOptions:function(options){this.options={method:'post',asynchronous:true,parameters:''}
Object.extend(this.options,options||{});},responseIsSuccess:function(){return this.transport.status==undefined
||this.transport.status==0
||(this.transport.status>=200&&this.transport.status<300);},responseIsFailure:function(){return!this.responseIsSuccess();}}
Ajax.Request=Class.create();Ajax.Request.Events=['Uninitialized','Loading','Loaded','Interactive','Complete'];Ajax.Request.prototype=Object.extend(new Ajax.Base(),{initialize:function(url,options){this.transport=Ajax.getTransport();this.setOptions(options);this.request(url);},request:function(url){var parameters=this.options.parameters||'';if(parameters.length>0)parameters+='&_=';try{if(this.options.method=='get')
url+='?'+parameters;this.transport.open(this.options.method,url,this.options.asynchronous);if(this.options.asynchronous){this.transport.onreadystatechange=this.onStateChange.bind(this);setTimeout((function(){this.respondToReadyState(1)}).bind(this),10);}
this.setRequestHeaders();var body=this.options.postBody?this.options.postBody:parameters;this.transport.send(this.options.method=='post'?body:null);}catch(e){}},setRequestHeaders:function(){var requestHeaders=['X-Requested-With','XMLHttpRequest','X-Prototype-Version',Prototype.Version];if(this.options.method=='post'){requestHeaders.push('Content-type','application/x-www-form-urlencoded');if(this.transport.overrideMimeType)
requestHeaders.push('Connection','close');}
if(this.options.requestHeaders)
requestHeaders.push.apply(requestHeaders,this.options.requestHeaders);for(var i=0;i<requestHeaders.length;i+=2)
this.transport.setRequestHeader(requestHeaders[i],requestHeaders[i+1]);},onStateChange:function(){var readyState=this.transport.readyState;if(readyState!=1)
this.respondToReadyState(this.transport.readyState);},evalJSON:function(){try{var json=this.transport.getResponseHeader('X-JSON'),object;object=eval(json);return object;}catch(e){}},respondToReadyState:function(readyState){var event=Ajax.Request.Events[readyState];var transport=this.transport,json=this.evalJSON();if(event=='Complete')
(this.options['on'+this.transport.status]
||this.options['on'+(this.responseIsSuccess()?'Success':'Failure')]
||Prototype.emptyFunction)(transport,json);(this.options['on'+event]||Prototype.emptyFunction)(transport,json);if(event=='Complete')
this.transport.onreadystatechange=Prototype.emptyFunction;}});Ajax.Updater=Class.create();Ajax.Updater.ScriptFragment='(?:<script.*?>)((\n|.)*?)(?:<\/script>)';Object.extend(Object.extend(Ajax.Updater.prototype,Ajax.Request.prototype),{initialize:function(container,url,options){this.containers={success:container.success?$(container.success):$(container),failure:container.failure?$(container.failure):(container.success?null:$(container))}
this.transport=Ajax.getTransport();this.setOptions(options);var onComplete=this.options.onComplete||Prototype.emptyFunction;this.options.onComplete=(function(transport,object){this.updateContent();onComplete(transport,object);}).bind(this);this.request(url);},updateContent:function(){var receiver=this.responseIsSuccess()?this.containers.success:this.containers.failure;var match=new RegExp(Ajax.Updater.ScriptFragment,'img');var response=this.transport.responseText.replace(match,'');var scripts=this.transport.responseText.match(match);if(receiver){if(this.options.insertion){new this.options.insertion(receiver,response);}else{receiver.innerHTML=response;}}
if(this.responseIsSuccess()){if(this.onComplete)
setTimeout(this.onComplete.bind(this),10);}
if(this.options.evalScripts&&scripts){match=new RegExp(Ajax.Updater.ScriptFragment,'im');setTimeout((function(){for(var i=0;i<scripts.length;i++)
eval(scripts[i].match(match)[1]);}).bind(this),10);}}});Ajax.PeriodicalUpdater=Class.create();Ajax.PeriodicalUpdater.prototype=Object.extend(new Ajax.Base(),{initialize:function(container,url,options){this.setOptions(options);this.onComplete=this.options.onComplete;this.frequency=(this.options.frequency||2);this.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.onComplete=undefined;clearTimeout(this.timer);(this.onComplete||Ajax.emptyFunction).apply(this,arguments);},updateComplete:function(request){if(this.options.decay){this.decay=(request.responseText==this.lastText?this.decay*this.options.decay:1);this.lastText=request.responseText;}
this.timer=setTimeout(this.onTimerEvent.bind(this),this.decay*this.frequency*1000);},onTimerEvent:function(){this.updater=new Ajax.Updater(this.container,this.url,this.options);}});