// The AJAX function
function AJAX(){
	try{
		xmlHttp=new XMLHttpRequest(); // Firefox, Opera 8.0+, Safari
		return xmlHttp;
	}
	catch (e){
		try{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP"); // Internet Explorer
			return xmlHttp;
		}
		catch (e){
			try{
				xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
				return xmlHttp;
			}
			catch (e){
				alert("Your browser does not support AJAX.");
				return false;
			}
		}
	}
}

// Timestamp for preventing IE caching the GET request (common function)
function fetch_unix_timestamp()
{
 return parseInt(new Date().getTime().toString().substring(0, 10))
}

/////////////////////////////////////////////////////////
// Refreshing bf3_playing div on homepage
/////////////////////////////////////////////////////////
function refresh_bf3_playing(){
	// Customise those settings
	var seconds = 15;
	var divid = "bf3_playing";
	var url = "bf3_playing.php";

	// Create xmlHttp
	var xmlHttp_one = AJAX();

	// No cache
	var timestamp = fetch_unix_timestamp();
	var nocacheurl = url+"?t="+timestamp;

	// The code
	xmlHttp_one.onreadystatechange=function(){
		if(xmlHttp_one.readyState==4){
			document.getElementById(divid).innerHTML=xmlHttp_one.responseText;
			setTimeout('refresh_bf3_playing()',seconds*1000);
		}
	}
	xmlHttp_one.open("GET",nocacheurl,true);
	xmlHttp_one.send(null);
}

// Start the refreshing process
window.onload = function startrefresh(){
	setTimeout('refresh_bf3_playing()',seconds*1000);
}