var xmlHttp
var rpostid
var ruserid

function findUser(id,postid)
{ 
xmlHttp=GetXmlHttpObject()

if (document.getElementById("popug"+postid).innerHTML!='')
{
return	
}
	  
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 }
  
var url="mfsg_postbit_ajax.php"
url=url+"?userid="+id

ruserid=id;
rpostid=postid;

xmlHttp.onreadystatechange=stateChanged
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}

function stateChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 { 
 	
 	 var elem = document.getElementsByTagName('div');
     var arr = new Array();
     for(i = 0; i < elem.length; i++) {
          att = elem[i].getAttribute("name");
          if(att == "popnameug"+ruserid) {
          	if (xmlHttp.responseText=='')
				{
					elem[i].id=""
				}
			else
				{
					elem[i].innerHTML = xmlHttp.responseText;
			    }   
          }
     }
 } 
}

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;
}