<?php
require($_SERVER['DOCUMENT_ROOT'] . '/bitrix/modules/main/include/prolog_before.php');
CModule::IncludeModule("iblock");
CModule::IncludeModule("sale");
CModule::IncludeModule("catalog");
//echo SITE_ID;
if(!isset($_POST['quantity']))
    Add2BasketByProductID($_POST["item"], 1);
else{
    $arFields = array(
    "QUANTITY" => 0
);
    CSaleBasket::Update($_POST["item"], $arFields);
}
$APPLICATION->IncludeComponent(
    "bitrix:sale.basket.basket.small",
    "head",
    array(
        "COMPONENT_TEMPLATE" => "head",
		"PATH_TO_BASKET" => "/personal/cart/",
        "PATH_TO_ORDER" => "/personal/order/make/",
        "SHOW_DELAY" => "N",
        "SHOW_NOTAVAIL" => "N",
        "SHOW_SUBSCRIBE" => "N"
    ),
    false
);