var xmlHttp
var xmlHttp2
function showHint(str,file_name)
{
	if(str.length==0)
	{
		document.getElementById("txtHint").innerHTML=""
		return
	}
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request")
		return
	}
	var url=file_name;
	url=url+"?"+str
	url=url+"&sid="+Math.random()
	xmlHttp.onreadystatechange=stateChanged
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}

function stateChanged()
{
	if (xmlHttp.readyState==1 )
	{
		document.getElementById("txtHint").innerHTML="<table height='0' border='0' width='100%'><tr><td align='center' height='200' class='text4'><br><br></td></table>";
	}
	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;
}