function AjaxRequest(){
var req=new Object()
req.timeout=null
req.generateUniqueUrl=true
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