var httpObject = null;
var link = "";
var timerID = 0;
// Get HTTP Object
function getHTTPObject(){
	if (window.ActiveXObject) return new ActiveXObject("Microsoft.XMLHTTP");
	else if (window.XMLHttpRequest) return new XMLHttpRequest();
	else {
		alert("Your browser does not support AJAX.");
		return null;
	}
}
 // Change outputText field
function setAll(){
	if(httpObject.readyState == 4){
		var response = httpObject.responseText;
		var objDiv = document.getElementById("livechat");
		objDiv.innerHTML = response;
	objDiv.scrollTop = objDiv.scrollHeight;
	}
}
// Reload    
function doReload(){    
	httpObject = getHTTPObject();
	var randomnumber=Math.floor(Math.random()*10000);
	if (httpObject != null) {
		link = "livechat.html?all=1&rnd="+randomnumber;
		httpObject.open("GET", link , true);
		httpObject.onreadystatechange = setAll;
		httpObject.send(null);
	}
}
function UpdateTimer() {
	doReload();   
	timerID = setTimeout("UpdateTimer()", 5000);
}