function fnAddToCart(productSku,ordQty)
{
	// close child window
	productPreviewWindow.close();
	// set form object
    var form_object = document.formAddToCart;    
	// put sku and qty in hidden fields
	form_object.sku.value=productSku;        
	form_object.qty.value=ordQty;
	// finally, submit the form
	form_object.submit();
}