// JavaScript Document
var xmlHttp;
function fourtop(str)
{
	xmlHttp=GetXmlHttpObject();
	if(xmlHttp==null)
	{
		alert("Your Browser does not support AJAX");
		return;
	}
	var url="fourhead.php";
		url=url+"?q="+str;
		url=url+"&sid="+Math.random();
		
		xmlHttp.onreadystatechange=stateChang;
		xmlHttp.open("GET", url, true);
		xmlHttp.send(null);
}
function stateChang()
{
	if(xmlHttp.readyState==4)
	{
		document.getElementById("txtTppp").innerHTML=xmlHttp.responseText;
	}
}
function GetXmlHttpObject()
{
	var xmlHttp=null;
	try
	{
		xmlHttp = new XMLHttpRequest();
	}
	catch (e)
	{
		try
		{
			xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");	
		}
		catch (e)
		{
			xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}