Self.photoswipe = function() {

  var $pswp = $('.pswp')[0];

  $('.gallery-lists').each(function() {
    var $pic = $(this);
    $pic.find('a.photoswipe-link').click(function(event) {
      event.preventDefault();
      var $items = $pic.find('.gallery-item:not(.isotope-hidden)'),
        self = $(this),
        parent = self.closest('.gallery-item'),
        index = $items.index(parent),
        items = $pic.find('.gallery-item:not(.isotope-hidden)').get().map(function(item) {
          var $size = $(item).find('a.photoswipe-link').data('size').split('x');
          return {
            src: $(item).find('a.photoswipe-link').attr('href'),
            w: $size[0],
            h: $size[1]
          };
        }),
        options = {
          index: index,
          bgOpacity: 0.7,
          getThumbBoundsFn: function(index) {
            // See Options -> getThumbBoundsFn section of documentation for more info
            var thumbnail = self.find('img')[0], // find thumbnail
              pageYScroll = window.pageYOffset || document.documentElement.scrollTop,
              rect = thumbnail.getBoundingClientRect();

            return {
              x: rect.left,
              y: rect.top + pageYScroll,
              w: rect.width
            };
          }
        };

      var lightBox = new PhotoSwipe($pswp, PhotoSwipeUI_Default, items, options);
      lightBox.init();
      return false;
    });
  });
};