var facts_gallery = (function() {
  var gallery = {};
var new_gallery = {
    init: function(onSlideChangeStart, onSlideChangeEnd) {
      gallery = new Swiper('.swiper-container', {
        direction: 'vertical',
        ...
      });
    },
    ...
    slideToFact: function(nextSlideNum) {
      gallery.slideTo(nextSlideNum + 1);
    }
  };
var old_gallery = {
    init: function(onSlideChangeStart, onSlideChangeEnd) {
      $(document).on('slide.bs.carousel', ".js-facts-gallery", onSlideChangeStart);
      $(document).on('slid.bs.carousel', ".js-facts-gallery", onSlideChangeEnd);
    },
    ...
    slideToFact: function(nextSlideNum) {
      gallery.carousel(nextSlideNum);
    }
  };
if (iev == 8 || iev == 9) {
    return old_gallery;
  } else {
    return new_gallery;
  }
})();