var request;

if (navigator.appName == "Microsoft Internet Explorer") {
	request = new ActiveXObject("Microsoft.XMLHTTP");
} else {
	request = new XMLHttpRequest();
}

function addToCart(ad_id)
{
	var success = 4;
	document.getElementById('shoppingcart').innerHTML = "Loading...";
	request.abort();
	request.open("GET", "http://www.3mods.com/tools/ajaxcart/ajaxcart.php?add=" + ad_id, true);
	request.onreadystatechange=function() {
	if (request.readyState == success) {
	document.getElementById('shoppingcart').innerHTML = request.responseText;
	}
	}
	request.send(null);
}

function removeFromCart(ad_id)
{
	var success = 4;
	document.getElementById('shoppingcart').innerHTML = "Loading...";
	request.abort();
	request.open("GET", "http://www.3mods.com/tools/ajaxcart/ajaxcart.php?remove=" + ad_id, true);
	request.onreadystatechange=function() {
	if (request.readyState == success) {
	document.getElementById('shoppingcart').innerHTML = request.responseText;
	}
	}
	request.send(null);
}