var xmlHttp

function showItem(infodata){ 
   var getusersource=infodata;
   xmlHttp=GetXmlHttpObject()
 
   if (xmlHttp==null){
      alert ("Browser does not support HTTP Request");
      return
     }

    var url=getusersource;
    xmlHttp.onreadystatechange=stateChanged 
    xmlHttp.open("GET",url,true)
    xmlHttp.send(null)
 }
 		
function stateChanged(){ 
    if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){ 
        document.getElementById("content").innerHTML=xmlHttp.responseText 
     }else if (xmlHttp.readyState == 3 ||xmlHttp.readyState ==2 || xmlHttp.readyState ==1){
      document.getElementById('content').innerHTML = "<p><img src='../images/loading.gif' class='alignleft'><p>";
    }

 }
 
 

	
function GetXmlHttpObject(){
    var xmlHttp=null;
    
    try {
     // Firefox, Opera 8.0+, Safari
       xmlHttp=new XMLHttpRequest();
     }
     catch (e){
     //Internet Explorer
        try{
          xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
         }
         catch (e){
            xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
            }
      }
    return xmlHttp;
 }