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(responderToAdd){if(!this.include(responderToAdd)) this.responders.push(responderToAdd);},unregister:function(responderToRemove){this.responders=this.responders.without(responderToRemove);},dispatch:function(callback,request,transport,json){this.each(function(responder){if(responder[callback]&&typeof responder[callback]=='function'){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=function(){};Ajax.Base.prototype={setOptions:function(options){this.options={method:'post',asynchronous:true,contentType:'application/x-www-form-urlencoded',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{this.url=url;if(this.options.method=='get'&¶meters.length>0) this.url+=(this.url.match(/\?/)?'&':'?')+parameters;Ajax.Responders.dispatch('onCreate',this,this.transport);this.transport.open(this.options.method,this.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){this.dispatchException(e);}},setRequestHeaders:function(){var requestHeaders=['X-Requested-With','XMLHttpRequest','X-Prototype-Version',Prototype.Version,'Accept','text/javascript, text/html, application/xml, text/xml'];if(this.options.method=='post'){requestHeaders.push('Content-type',this.options.contentType);if(this.transport.overrideMimeType) requestHeaders.push('Connection','close');} if(this.options.requestHeaders) requestHeaders.push.apply(requestHeaders,this.options.requestHeaders);for(var i=0;i0) actions.each(this.__run.bind(this,transport));},__run:function(transport,command) {for(var method in command) {if(command[method][0]) {var id=command[method][0];if($(id)||id.indexOf("[]")>-1) method.toFunction().apply(this,command[method].concat(transport));else if(typeof(Logger)!="undefined") {Logger.error("Error in executing callback response:","Unable to find HTML element with ID '"+id+"' before executing "+method+"().");}}}},Exception:{"on500":function(request,transport,data) {var e=request.getHeaderData(Prado.CallbackRequest.ERROR_HEADER);Logger.error("Callback Server Error "+e.code,this.formatException(e));},'on200':function(request,transport,data) {if(transport.status<500) {var msg='HTTP '+transport.status+" with response : \n";msg+=transport.responseText+"\n";msg+="Data : \n"+inspect(data)+"\n";msg+="Actions : \n";request.getHeaderData(Prado.CallbackRequest.ACTION_HEADER).each(function(action) {msg+=inspect(action)+"\n";}) Logger.warn(msg);}},onException:function(request,e) {msg="";for(var v in e) {if(typeof(v[e])!="object"&&typeof(v[e])!="function") msg+=v+":"+e[v]+"\n";} Logger.error('Uncaught Callback Client Exception:',e);},formatException:function(e) {var msg=e.type+" with message \""+e.message+"\"";msg+=" in "+e.file+"("+e.line+")\n";msg+="Stack trace:\n";var trace=e.trace;for(var i=0;i"+trace[i]["function"]+"()"+"\n";} msg+=e.version+" "+e.time+"\n";return msg;}},encode:function(data) {return Prado.JSON.stringify(data);},decode:function(data) {if(typeof(data)=="string"&&data.trim().length>0) return Prado.JSON.parse(data);else return null;},dispatchPriorityRequest:function(callback) {Logger.info("priority request "+callback.id) this.abortRequestInProgress();callback.request=new Ajax.Request(callback.url,callback.options);callback.timeout=setTimeout(function() {Logger.warn("priority timeout");Prado.CallbackRequest.abortRequestInProgress();},callback.options.RequestTimeOut);this.requestInProgress=callback;Logger.info("dispatched "+this.requestInProgress)},dispatchNormalRequest:function(callback) {Logger.info("dispatching normal request");new Ajax.Request(callback.url,callback.options);},abortRequestInProgress:function() {inProgress=Prado.CallbackRequest.requestInProgress;if(inProgress) {Logger.warn("aborted "+inProgress.id) inProgress.request.transport.abort();clearTimeout(inProgress.timeout);Prado.CallbackRequest.requestInProgress=null;}},updatePageState:function(request,transport) {pagestate=$(this.FIELD_CALLBACK_PAGESTATE);if(request.options.EnablePageStateUpdate&&request.options.HasPriority&&pagestate) {Logger.warn("updating page state");pagestate.value=request.header(this.PAGESTATE_HEADER);}}}) Ajax.Responders.register({onComplete:function(request) {if(request.options.HasPriority) Prado.CallbackRequest.abortRequestInProgress();}});Event.OnLoad(function() {if(typeof Logger!="undefined") Ajax.Responders.register(Prado.CallbackRequest.Exception);});Prado.CallbackRequest.prototype={url:window.location.href,options:{},id:null,request:null,initialize:function(id,options) {this.id=id;this.options={RequestTimeOut:30000,EnablePageStateUpdate:true,HasPriority:true,CausesValidation:true,ValidationGroup:null,PostInputs:true,postBody:this._getPostData(),parameters:''} Object.extend(this.options,options||{});if(this.options.CausesValidation&&typeof(Prado.Validation)!="undefined") {var form=this.options.Form||Prado.Validation.getForm();if(Prado.Validation.validate(form,this.options.ValidationGroup,this)==false) return;} if(this.options.HasPriority) Prado.CallbackRequest.dispatchPriorityRequest(this);else Prado.CallbackRequest.dispatchNormalRequest(this);},_getPostData:function() {var data={};var callback=Prado.CallbackRequest;if(this.options.PostInputs!=false) {callback.PostDataLoaders.each(function(name) {$A(document.getElementsByName(name)).each(function(element) {var value=$F(element);if(typeof(value)!="undefined") data[name]=value;})})} if(typeof(this.options.params)!="undefined") data[callback.FIELD_CALLBACK_PARAMETER]=callback.encode(this.options.params);var pageState=$F(callback.FIELD_CALLBACK_PAGESTATE);if(typeof(pageState)!="undefined") data[callback.FIELD_CALLBACK_PAGESTATE]=pageState;data[callback.FIELD_CALLBACK_TARGET]=this.id;return $H(data).toQueryString();}} Prado.Callback=function(UniqueID,parameter,onSuccess,options) {var callback={'params':parameter||'','onSuccess':onSuccess||Prototype.emptyFunction};Object.extend(callback,options||{});new Prado.CallbackRequest(UniqueID,callback);return false;} Array.prototype.______array='______array';Prado.JSON={org:'http://www.JSON.org',copyright:'(c)2005 JSON.org',license:'http://www.crockford.com/JSON/license.html',stringify:function(arg){var c,i,l,s='',v;switch(typeof arg){case'object':if(arg){if(arg.______array=='______array'){for(i=0;i=' '){if(c=='\\'||c=='"'){s+='\\';} s+=c;}else{switch(c){case'\b':s+='\\b';break;case'\f':s+='\\f';break;case'\n':s+='\\n';break;case'\r':s+='\\r';break;case'\t':s+='\\t';break;default:c=c.charCodeAt();s+='\\u00'+Math.floor(c/16).toString(16)+ (c%16).toString(16);}}} return s+'"';case'boolean':return String(arg);default:return'null';}},parse:function(text){var at=0;var ch=' ';function error(m){throw{name:'JSONError',message:m,at:at-1,text:text};} function next(){ch=text.charAt(at);at+=1;return ch;} function white(){while(ch){if(ch<=' '){next();}else if(ch=='/'){switch(next()){case'/':while(next()&&ch!='\n'&&ch!='\r'){} break;case'*':next();for(;;){if(ch){if(ch=='*'){if(next()=='/'){next();break;}}else{next();}}else{error("Unterminated comment");}} break;default:error("Syntax error");}}else{break;}}} function string(){var i,s='',t,u;if(ch=='"'){outer:while(next()){if(ch=='"'){next();return s;}else if(ch=='\\'){switch(next()){case'b':s+='\b';break;case'f':s+='\f';break;case'n':s+='\n';break;case'r':s+='\r';break;case't':s+='\t';break;case'u':u=0;for(i=0;i<4;i+=1){t=parseInt(next(),16);if(!isFinite(t)){break outer;} u=u*16+t;} s+=String.fromCharCode(u);break;default:s+=ch;}}else{s+=ch;}}} error("Bad string");} function array(){var a=[];if(ch=='['){next();white();if(ch==']'){next();return a;} while(ch){a.push(value());white();if(ch==']'){next();return a;}else if(ch!=','){break;} next();white();}} error("Bad array");} function object(){var k,o={};if(ch=='{'){next();white();if(ch=='}'){next();return o;} while(ch){k=string();white();if(ch!=':'){break;} next();o[k]=value();white();if(ch=='}'){next();return o;}else if(ch!=','){break;} next();white();}} error("Bad object");} function number(){var n='',v;if(ch=='-'){n='-';next();} while(ch>='0'&&ch<='9'){n+=ch;next();} if(ch=='.'){n+='.';while(next()&&ch>='0'&&ch<='9'){n+=ch;}} if(ch=='e'||ch=='E'){n+='e';next();if(ch=='-'||ch=='+'){n+=ch;next();} while(ch>='0'&&ch<='9'){n+=ch;next();}} v=+n;if(!isFinite(v)){}else{return v;}} function word(){switch(ch){case't':if(next()=='r'&&next()=='u'&&next()=='e'){next();return true;} break;case'f':if(next()=='a'&&next()=='l'&&next()=='s'&&next()=='e'){next();return false;} break;case'n':if(next()=='u'&&next()=='l'&&next()=='l'){next();return null;} break;} error("Syntax error");} function value(){white();switch(ch){case'{':return object();case'[':return array();case'"':return string();case'-':return number();default:return ch>='0'&&ch<='9'?number():word();}} return value();}};