var xmlhttp;
var result;
var refinal;
function checkName(str)
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Browser does not support HTTP Request");
  return;
  }
var url="http://rankaar.com/cat_player/getuser.php";
url=url+"?q="+str;
url=url+"&sid="+Math.random();
xmlhttp.onreadystatechange=function()
{
	if (xmlhttp.readyState==4)
	{
 	result = xmlhttp.responseText; 
	}
}
xmlhttp.open("GET",url,false);
xmlhttp.send(null);

return result;

}



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;
}