var xmlhttp

function showHint(str)
{
if (str.length==0)
  {
  document.getElementById("txtHint").innerHTML="";
  return;
  }
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Your browser does not support XMLHTTP!");
  return;
  }
var url="gethint.asp";
url=url+"?q="+str;
url=url+"&sid="+Math.random();

//xmlhttp.onreadystatechange=stateChanged;
xmlhttp.open("GET",url,false);
xmlhttp.send(null);
if (xmlhttp.status == 200)
	{
		document.getElementById("txtHint").innerHTML=xmlhttp.responseText;
	}
}

//function stateChanged()
//{
//if (xmlhttp.readyState==4)
 // {
 // document.getElementById("txtHint").innerHTML=xmlhttp.responseText;
  //}
//}

function GetXmlHttpObject()
{
if (window.XMLHttpRequest)
  {
  // code for IE7+, Firefox, Chrome, Opera, Safari
  return new XMLHttpRequest();
  }
if (window.ActiveXObject)
  {
  // code for IE6, IE5
  return new ActiveXObject("Microsoft.XMLHTTP");
  }
return null;
}