var http = null;
var timer = setInterval("getLiveData()", 300000);
function getElem(id)
{
	var obj = null;
	if (document.getElementById)
		obj = document.getElementById(id);
	else if (document.all)
		obj = document.all[id];
	return obj;
}

function GetXmlHttpObject()
{
	var http = null;
	if (window.XMLHttpRequest)
	{
		// Mozilla, Opera, Safari,...
		http = new XMLHttpRequest();
	}
	else if (window.ActiveXObject)
	{
		// IE
		try
		{
			http = new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)
		{
			try
			{
				http = new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch (e)
			{
			}
		}
	}
	if (http == null)
		alert("Your browser does not support AJAX!");
	return http;
}

function getLiveData()
{
	http = GetXmlHttpObject();
	if (http!=null)
	{
		var url = location.href;
		url = url.substr(0, url.lastIndexOf("/")) + "/GetLiveData.aspx?&id=" + Math.random();
		http.onreadystatechange = updateTable;
		http.open("GET", url, true);
		http.send(null);
	}
}

function updateTable()
{
	if (http.readyState == 4)
	{
		var xmlDoc = http.responseXML.documentElement;
		getElem("CompletedPerformances").innerHTML = xmlDoc.getElementsByTagName("CompletedPerformances")[0].childNodes[0].nodeValue;
		getElem("SolvedPercent").innerHTML = xmlDoc.getElementsByTagName("SolvedPercent")[0].childNodes[0].nodeValue;
		getElem("CurrentUsers").innerHTML = xmlDoc.getElementsByTagName("CurrentUsers")[0].childNodes[0].nodeValue;
		getElem("ActiveClasses").innerHTML = xmlDoc.getElementsByTagName("ActiveClasses")[0].childNodes[0].nodeValue;
	}
}