Алексей

$.post("/", {
    do: 'shop',
    action: 'basket_add',
    id: id,
    count: count,
    opt1: opt1,
    opt2: opt2,
    opt3: opt3
  }, function (data) {
    loading_hide();
    if ( data == 'error' ) return false;

    //shop_basket_show();
    if ( a.length ) a.html(btn_1 + btn_2);
    $( ".sb-cont.element-sidebar-body.cart-body ul" ).replaceWith( data );
  });