function AjaxRequest(){var req=new Object();req.timeout=null;req.generateUniqueUrl=false;req.url=window.location.href;req.method="GET";req.async=true;req.username=null;req.password=null;req.parameters=new Object();req.requestIndex=AjaxRequest.numAjaxRequests++;req.responseReceived=false;req.groupName=null;req.queryString="";req.responseText=null;req.responseXML=null;req.status=null;req.statusText=null;req.aborted=false;req.xmlHttpRequest=null;req.onTimeout=null;req.onLoading=null;req.onLoaded=null;req.onInteractive=null;req.onComplete=null;req.onSuccess=null;req.onError=null;req.onGroupBegin=null;req.onGroupEnd=null;req.xmlHttpRequest=AjaxRequest.getXmlHttpRequest();if(req.xmlHttpRequest==null){return null;}req.xmlHttpRequest.onreadystatechange=function(){if(req==null||req.xmlHttpRequest==null){return;}if(req.xmlHttpRequest.readyState==1){req.onLoadingInternal(req);}if(req.xmlHttpRequest.readyState==2){req.onLoadedInternal(req);}if(req.xmlHttpRequest.readyState==3){req.onInteractiveInternal(req);}if(req.xmlHttpRequest.readyState==4){req.onCompleteInternal(req);}};req.onLoadingInternalHandled=false;req.onLoadedInternalHandled=false;req.onInteractiveInternalHandled=false;req.onCompleteInternalHandled=false;req.onLoadingInternal=function(){if(req.onLoadingInternalHandled){return;}AjaxRequest.numActiveAjaxRequests++;if(AjaxRequest.numActiveAjaxRequests==1&&typeof(window['AjaxRequestBegin'])=="function"){AjaxRequestBegin();}if(req.groupName!=null){if(typeof(AjaxRequest.numActiveAjaxGroupRequests[req.groupName])=="undefined"){AjaxRequest.numActiveAjaxGroupRequests[req.groupName]=0;}AjaxRequest.numActiveAjaxGroupRequests[req.groupName]++;if(AjaxRequest.numActiveAjaxGroupRequests[req.groupName]==1&&typeof(req.onGroupBegin)=="function"){req.onGroupBegin(req.groupName);}}if(typeof(req.onLoading)=="function"){req.onLoading(req);}req.onLoadingInternalHandled=true;};req.onLoadedInternal=function(){if(req.onLoadedInternalHandled){return;}if(typeof(req.onLoaded)=="function"){req.onLoaded(req);}req.onLoadedInternalHandled=true;};req.onInteractiveInternal=function(){if(req.onInteractiveInternalHandled){return;}if(typeof(req.onInteractive)=="function"){req.onInteractive(req);}req.onInteractiveInternalHandled=true;};req.onCompleteInternal=function(){if(req.onCompleteInternalHandled||req.aborted){return;}req.onCompleteInternalHandled=true;AjaxRequest.numActiveAjaxRequests--;if(AjaxRequest.numActiveAjaxRequests==0&&typeof(window['AjaxRequestEnd'])=="function"){AjaxRequestEnd(req.groupName);}if(req.groupName!=null){AjaxRequest.numActiveAjaxGroupRequests[req.groupName]--;if(AjaxRequest.numActiveAjaxGroupRequests[req.groupName]==0&&typeof(req.onGroupEnd)=="function"){req.onGroupEnd(req.groupName);}}req.responseReceived=true;req.status=req.xmlHttpRequest.status;req.statusText=req.xmlHttpRequest.statusText;req.responseText=req.xmlHttpRequest.responseText;req.responseXML=req.xmlHttpRequest.responseXML;if(typeof(req.onComplete)=="function"){req.onComplete(req);}if(req.xmlHttpRequest.status==200&&typeof(req.onSuccess)=="function"){req.onSuccess(req);}else if(typeof(req.onError)=="function"){req.onError(req);}delete req.xmlHttpRequest['onreadystatechange'];req.xmlHttpRequest=null;};req.onTimeoutInternal=function(){if(req!=null&&req.xmlHttpRequest!=null&&!req.onCompleteInternalHandled){req.aborted=true;req.xmlHttpRequest.abort();AjaxRequest.numActiveAjaxRequests--;if(AjaxRequest.numActiveAjaxRequests==0&&typeof(window['AjaxRequestEnd'])=="function"){AjaxRequestEnd(req.groupName);}if(req.groupName!=null){AjaxRequest.numActiveAjaxGroupRequests[req.groupName]--;if(AjaxRequest.numActiveAjaxGroupRequests[req.groupName]==0&&typeof(req.onGroupEnd)=="function"){req.onGroupEnd(req.groupName);}}if(typeof(req.onTimeout)=="function"){req.onTimeout(req);}delete req.xmlHttpRequest['onreadystatechange'];req.xmlHttpRequest=null;}};req.process=function(){if(req.xmlHttpRequest!=null){if(req.generateUniqueUrl&&req.method=="GET"){req.parameters["AjaxRequestUniqueId"]=new Date().getTime()+""+req.requestIndex;}var content=null;for(var i in req.parameters){if(req.queryString.length>0){req.queryString+="&";}req.queryString+=encodeURIComponent(i)+"="+encodeURIComponent(req.parameters[i]);}if(req.method=="GET"){if(req.queryString.length>0){req.url+=((req.url.indexOf("?")>-1)?"&":"?")+req.queryString;}}req.xmlHttpRequest.open(req.method,req.url,req.async,req.username,req.password);if(req.method=="POST"){if(typeof(req.xmlHttpRequest.setRequestHeader)!="undefined"){req.xmlHttpRequest.setRequestHeader('Content-type','application/x-www-form-urlencoded');}content=req.queryString;}if(req.timeout>0){setTimeout(req.onTimeoutInternal,req.timeout);}req.xmlHttpRequest.send(content);}};req.handleArguments=function(args){for(var i in args){if(typeof(req[i])=="undefined"){req.parameters[i]=args[i];}else{req[i]=args[i];}}};req.getAllResponseHeaders=function(){if(req.xmlHttpRequest!=null){if(req.responseReceived){return req.xmlHttpRequest.getAllResponseHeaders();}alert("Cannot getAllResponseHeaders because a response has not yet been received");}};req.getResponseHeader=function(headerName){if(req.xmlHttpRequest!=null){if(req.responseReceived){return req.xmlHttpRequest.getResponseHeader(headerName);}alert("Cannot getResponseHeader because a response has not yet been received");}};return req;}AjaxRequest.getXmlHttpRequest=function(){if(window.XMLHttpRequest){return new XMLHttpRequest();}else if(window.ActiveXObject){}else{return null;}};AjaxRequest.isActive=function(){return(AjaxRequest.numActiveAjaxRequests>0);};AjaxRequest.get=function(args){AjaxRequest.doRequest("GET",args);};AjaxRequest.post=function(args){AjaxRequest.doRequest("POST",args);};AjaxRequest.doRequest=function(method,args){if(typeof(args)!="undefined"&&args!=null){var myRequest=new AjaxRequest();myRequest.method=method;myRequest.handleArguments(args);myRequest.process();}};AjaxRequest.submit=function(theform,args){var myRequest=new AjaxRequest();if(myRequest==null){return false;}var serializedForm=AjaxRequest.serializeForm(theform);myRequest.method=theform.method.toUpperCase();myRequest.url=theform.action;myRequest.handleArguments(args);myRequest.queryString=serializedForm;myRequest.process();return true;};AjaxRequest.serializeForm=function(theform){var els=theform.elements;var len=els.length;var queryString="";this.addField=function(name,value){if(queryString.length>0){queryString+="&";}queryString+=encodeURIComponent(name)+"="+encodeURIComponent(value);};for(var i=0;i<len;i++){var el=els[i];if(!el.disabled){switch(el.type){case'text':case'password':case'hidden':case'textarea':this.addField(el.name,el.value);break;case'select-one':if(el.selectedIndex>=0){this.addField(el.name,el.options[el.selectedIndex].value);}break;case'select-multiple':for(var j=0;j<el.options.length;j++){if(el.options[j].selected){this.addField(el.name,el.options[j].value);}}break;case'checkbox':case'radio':if(el.checked){this.addField(el.name,el.value);}break;}}}return queryString;};AjaxRequest.numActiveAjaxRequests=0;AjaxRequest.numActiveAjaxGroupRequests=new Object();AjaxRequest.numAjaxRequests=0;