var Prototype={Version:"1.4.0_pre10_ajax",emptyFunction:function(){},K:function(a){return a}};var Class={create:function(){return function(){this.initialize.apply(this,arguments)}}};var Abstract=new Object();Object.extend=function(a,b){for(property in b){a[property]=b[property]}return a};Object.inspect=function(a){try{if(a==undefined){return"undefined"}if(a==null){return"null"}return a.inspect?a.inspect():a.toString()}catch(b){if(b instanceof RangeError){return"..."}throw b}};Function.prototype.bind=function(b){var a=this;return function(){return a.apply(b,arguments)}};Function.prototype.bindAsEventListener=function(b){var a=this;return function(c){return a.call(b,c||window.event)}};Object.extend(Number.prototype,{toColorPart:function(){var a=this.toString(16);if(this<16){return"0"+a}return a},succ:function(){return this+1},times:function(a){$R(0,this,true).each(a);return this}});var Try={these:function(){var c;for(var b=0;b<arguments.length;b++){var a=arguments[b];try{c=a();break}catch(d){}}return c}};var PeriodicalExecuter=Class.create();PeriodicalExecuter.prototype={initialize:function(b,a){this.callback=b;this.frequency=a;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 c=new Array();for(var b=0;b<arguments.length;b++){var a=arguments[b];if(typeof a=="string"){a=document.getElementById(a)}if(arguments.length==1){return a}c.push(a)}return c}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(a){this.options={method:"post",asynchronous:true,parameters:""};Object.extend(this.options,a||{})},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(b,a){this.transport=Ajax.getTransport();this.setOptions(a);this.request(b)},request:function(b){var c=this.options.parameters||"";if(c.length>0){c+="&_="}try{if(this.options.method=="get"){b+="?"+c}this.transport.open(this.options.method,b,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 a=this.options.postBody?this.options.postBody:c;this.transport.send(this.options.method=="post"?a:null)}catch(d){}},setRequestHeaders:function(){var b=["X-Requested-With","XMLHttpRequest","X-Prototype-Version",Prototype.Version];if(this.options.method=="post"){b.push("Content-type","application/x-www-form-urlencoded");if(this.transport.overrideMimeType){b.push("Connection","close")}}if(this.options.requestHeaders){b.push.apply(b,this.options.requestHeaders)}for(var a=0;a<b.length;a+=2){this.transport.setRequestHeader(b[a],b[a+1])}},onStateChange:function(){var a=this.transport.readyState;if(a!=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(a){var c=Ajax.Request.Events[a];var d=this.transport,b=this.evalJSON();if(c=="Complete"){(this.options["on"+this.transport.status]||this.options["on"+(this.responseIsSuccess()?"Success":"Failure")]||Prototype.emptyFunction)(d,b)}(this.options["on"+c]||Prototype.emptyFunction)(d,b);if(c=="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(a,c,b){this.containers={success:a.success?$(a.success):$(a),failure:a.failure?$(a.failure):(a.success?null:$(a))};this.transport=Ajax.getTransport();this.setOptions(b);var d=this.options.onComplete||Prototype.emptyFunction;this.options.onComplete=(function(f,e){this.updateContent();d(f,e)}).bind(this);this.request(c)},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(a,c,b){this.setOptions(b);this.onComplete=this.options.onComplete;this.frequency=(this.options.frequency||2);this.decay=1;this.updater={};this.container=a;this.url=c;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(a){if(this.options.decay){this.decay=(a.responseText==this.lastText?this.decay*this.options.decay:1);this.lastText=a.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)}});