var xmlhttp;
function showUser()
{
			
				xmlhttp=GetXmlHttpObject();
				if (xmlhttp==null)
				  {
				  alert ("Browser does not support HTTP Request");
				  return;
				  }
				var url="ticker.php";
				//url=url+"?q="+str;
				//alert(url);
				//url=url+"&sid="+Math.random();
				xmlhttp.onreadystatechange=stateChanged;
			//	alert(url);
				xmlhttp.open("GET",url,true);
				xmlhttp.send(null);
}

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;
}