function addToCart(id) {
	var qty = $("qty_" + id).value;
	
	var selectNodes = $("props_" + id).getElementsByTagName("select");
	var selects = $A(selectNodes);
	var props = "";
	selects.each(function(select) {			
					props += "&" + select.id + "=" + select.value;
				});
	
	var params = "prod=" + id + "&qty=" + qty + props;

	new	Ajax.Updater(
		"shoppingcart",
		"shop/updateorders.php",
		{
			method: "get",
			parameters: params
		});
}

function removeFromCart(id) {
	var params = "prod=" + id + "&remove=true";
	new	Ajax.Updater(
		"shoppingcart",
		"shop/updateorders.php",
		{
			method: "get",
			parameters: params
		});
	return false;
}

function clearCart() {
	var params = "clear=true";
	new	Ajax.Updater(
		"shoppingcart",
		"shop/updateorders.php",
		{
			method: "get",
			parameters: params
		});
}