var xmlHttp

function showHint(div,str)
{

xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url=str;
var div=div;
//url=url+str;
//url=url+"&sid="+Math.random();
{
xmlHttp.onreadystatechange=function(){stateChanged(div)}
}
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
} 

var div=div;

function stateChanged(div) 
{ 

if (xmlHttp.readyState == 4 || xmlHttp.readyState=="complete")
{ 
document.getElementById(div).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;
}