addOnload(makeRequest);

function addOnload(newFunction) {
	var oldOnload = window.onload;	
	
	if (typeof oldOnload == "function") {
		window.onload = function() {
			if (oldOnload) {
				oldOnload();
			}
			newFunction();
		}
	}
	else {
		window.onload = newFunction;
	}
	
}


var xhr = false;
var textRequest;



function makeRequest() {
	if (window.XMLHttpRequest) {
		xhr = new XMLHttpRequest();
	}
	else {
		if (window.ActiveXObject) {
			try {
				xhr = new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch (e) { }
		}
	}

	if (xhr) {
    	var loid = readCookie('PHPSESSID');
        if(loid != ''){
			var url = "/update/index.php" + "?update="+ new Date().getTime() + "&url=" + document.location.href + "&loid=" + loid;
        } else {
        	var url = "/update/index.php" + "?update="+ new Date().getTime() + "&url=" + document.location.href;
        }
        //alert(url);
		xhr.open("GET", url, true);
		xhr.send(null);
		
	}
	else {
		document.getElementById("updateArea").innerHTML = "Sorry, but I couldn't create an XMLHttpRequest";
	}
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return '';
}