// JavaScript Document
var xmlHttp
function showHint_username(str)
{
		
		//alert(str);
		//exit;
		document.getElementById('pb').style.display='';
		
		if (str.length==0 || str.length<=4)
		  { 
			 document.getElementById("txtHintnewone").innerHTML="";
		  		return;
		  
		  
}

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

function stateChanged() 
{ 
if (xmlHttp.readyState==4)
{ 
document.getElementById("txtHintnewone").innerHTML=xmlHttp.responseText;
document.getElementById('pb').style.display='none';
}
}

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;
}

// JavaScript Document