Добавление нескольких товаров в корзину

Добавление нескольких товаров в корзину

<form action="<?=POST_FORM_ACTION_URI?>" method="post">
                <input type="hidden" name="<?echo $arParams["ACTION_VARIABLE"]?>" value="ADD2BASKET">
      <input type="hidden" name="<?echo $arParams["PRODUCT_ID_VARIABLE"]?>" value="<?echo $arResult["ID"]?>">
                <input id="quantity" name="<?=$arParams["PRODUCT_QUANTITY_VARIABLE"]?>" type="text" size="3" value="1" style="text-align:center;"/>
                    <input type="submit" name="<?echo $arParams["ACTION_VARIABLE"]."ADD2BASKET"?>" value="<?echo GetMessage("CATALOG_BUY")?>">
               </form>
Описание для анонса: http://bx-qa.com/?qa=37279/%D0%B4%D0%BE%D0%B1%D0%B0%D0%B2%D0%BB%D0%B5%D0%BD%D0%B8%D0%B5-%D0%BD%D0%B5%D1%81%D0%BA%D0%BE%D0%BB%D1%8C%D0%BA%D0%B8%D1%85-%D1%82%D0%BE%D0%B2%D0%B0%D1%80%D0%BE%D0%B2-%D0%B2-%D0%BA%D0%BE%D1%80%D0%B7%D0%B8%D0%BD%D1%83