$('.carousel-inner2').ready(function() {
  $('.carousel-inner2 table.main_gallery > tbody > tr').toggleClass('item',400);
  $('.carousel-inner2 table.main_gallery > tbody > tr:first-child').toggleClass('active',400);
  $('.carousel-inner2 tr table').toggleClass('row',400);
  $('.carousel-inner2 tr table tr td').toggleClass('col-sm-3',400);
});