var commodity_save;
function add2basket(commodity, quantity) {
    commodity_save = commodity;

    b2b.Add2Basket.Add(commodity, 1, on_add2basket, on_add2basket_error);
}

function on_add2basket(r_add) {

    document.getElementById('add2basket_commodity_' + r_add.commodity).innerHTML = 'Уже в корзине ' + r_add.quantity;
    update_basket_info();
}

function on_add2basket_error(error) {
    document.getElementById('add2basket_commodity_' + commodity_save).innerHTML = 'Ошибка:' + error.get_message();
    commodity_save
}