// JavaScript Document
var xmlHttp

function _ID()
{ 
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	{
	alert ("Browser does not support HTTP Request")
	return
	} 
	var userid=trim(document.frm.sUserName.value);
	if(userid=="")
	{
	 return;
	}
	    
	    var url="sf/checknwusr.php?sUserName="+userid
		url=url;
		xmlHttp.onreadystatechange=stateChanged; 
		xmlHttp.open("GET",url,true)
		xmlHttp.send(null)
	 return	
}

function stateChanged() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
	  document.getElementById("sUserID").innerHTML=xmlHttp.responseText;
	  document.getElementById("sEUserName").innerHTML="";
	} 
}

function GetXmlHttpObject()
		{ 
		var objXMLHttp=null
		if (window.XMLHttpRequest)
			{
			objXMLHttp=new XMLHttpRequest()
			}
		else if (window.ActiveXObject)
			{
			objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
			}
		return objXMLHttp
}