var xmlHttp
var setAtt = new Object();
function GetXmlHttpObject() {
	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;
}

function showHint(str) {
if (str.length==0)
  { 
  document.getElementById("checkName").innerHTML="";
  return;
  }
	xmlHttp=GetXmlHttpObject()
	setAtt.str = str;
	if (xmlHttp==null) {
		alert ("Browser does not support HTTP Request")
		return
	} 
	var url="/global/checkuser.php"
	url=url+"?q="+str
	xmlHttp.onreadystatechange = stateChanged 
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
	
} 

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