// JavaScript Document
var xmlHttp

function showPage(filename,queryString)
{ 
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null) {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url = filename +"?sid="+Math.random();
url = url +"&"+ queryString;
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}

function stateChanged() { 
	if (xmlHttp.readyState==4) 	{ 
		document.getElementById('display').style.display='block';
		document.getElementById("display").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;
}
function hide() {
	document.getElementById('display').style.display='none';	
}