// JavaScript Document

var xmlhttp;



	function stateChanged()
	{
		if (xmlhttp.readyState==4 && xmlhttp.status==200)
		{
			document.getElementById("txtHint").innerHTML=xmlhttp.responseText;
		}
	}
	
	function GetXmlHttpObject()
	{
		if (window.XMLHttpRequest)
		  {
			  // code for IE7+, Firefox, Chrome, Opera, Safari
			  return new XMLHttpRequest();
		  }
		else
		  {
			  // code for IE6, IE5
			  return new ActiveXObject("Microsoft.XMLHTTP");
		  }
		return null;
	}
	
	
function showUser(str)
{
	xmlhttp=GetXmlHttpObject();
	if (xmlhttp==null)
	  {
		  alert ("Browser does not support HTTP Request");
		  return;
	  }
	var url="php_js/getuser.php";
	url=url+"?q="+str;
	url=url+"&sid="+Math.random();
	xmlhttp.onreadystatechange=stateChanged;
	xmlhttp.open("GET",url,true);
	xmlhttp.send(null);
}