var xmlHttp
	function showUser(str, path) {
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null) {
	alert ("Browser does not support HTTP Request")
	return
	}
	
	var url=path
	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 || xmlHttp.readyState=="complete") {
	document.getElementById("txtHint").innerHTML=xmlHttp.responseText
	}
	}
	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;
	}