var updateCart = function(productID, customerID) {
	if (customerID == '') {
		var customerID = 0;
	} else {
		var customerID = customerID;
	}

	var surl = 'http://www.zijtveldsanitair.nl/cart_server.php';
	new Ajax.Request(
		surl, {
				method: 'post',
				parameters: {products_id: productID, customer_id: customerID, cart_quantity: 1, add_product: 1, optselect_data: $('cart_quantity_form').serialize()},
				onLoading: function() {
					$('popup-info-ajax-shoppingcart').show();
				},
				onSuccess: function(transport) {
					eval(transport.responseText);

					$('total-product-asc').update(totalproduct);
					$('total-amount-asc').update('€' + totalamount);

					new PeriodicalExecuter(
						function(pe) {
  							$('popup-info-ajax-shoppingcart').hide();
    						pe.stop();
						},
					4);
				}
		}
	);
}

var getQtyAmount = function(customerID) {
	if (customerID == '') {
		var customerID = 0;
	} else {
		var customerID = customerID;
	}

	var surl = 'http://www.zijtveldsanitair.nl/cart_server.php';
	new Ajax.Request(
		surl, {
				method: 'post',
				parameters: {get_amount: 1, customer_id: customerID},
				onSuccess: function(transport) {
					eval(transport.responseText);

					$('total-product-asc').update(totalproduct);
					$('total-amount-asc').update('€' + totalamount);
				}
		}
	);
}