function opencart(url) {
			openFadeIFrame('/' + set_query('?ukey=cart&view=noframe'));
			return false;
}	

function add2cart(elem) {
			var objForm = getFormByElem(elem);
			if (!objForm)
				return true;

			var r_productParam = getElementsByClass('product_option', objForm);

			var query = '';
			for (var i = r_productParam.length - 1; i >= 0; i--) {

				if (!parseInt(r_productParam[i].value))
					continue;

				if (r_productParam[i].name)
					query += '&' + r_productParam[i].name + '='
							+ parseInt(r_productParam[i].value);
			}

			var r_productQty = getElementByClass('product_qty', objForm);
			if (r_productQty) {
				r_productQty = parseInt(r_productQty.value);
				if (r_productQty > 1) {
					query += '&product_qty=' + r_productQty;
				}
			}

			var url = '/'
					+ set_query('?ukey=cart&view=noframe&action=add_product&'
									+ query + '&productID='
									+ objForm.getAttribute('rel'), '');
			openFadeIFrame(url);
			return false;
}

function tr_checkout(button) {
	button.disabled = true;
	var url = '/' + set_query('?ukey=checkout&view=noframe');
	window.open(url, 'wmCheckout', 'height=600px,width=520px,toolbar=no,menubar=no,location=no,status=yes,directories=no,xcenter=yes,ycenter=yes,dependent=yes,resizable=0,scrollbars=1');
	parent.closeFadeIFrame(); 
}