(function ($){
    $('#tiles').imagesLoaded(function() {
      // Prepare layout options.
      var options = {
        flexibleWidth : false,
        autoResize: false, // This will auto-update the layout when the browser window is resized.
        container: $('#main'), // Optional, used for some extra CSS styling
        offset: 2, // Optional, the distance between grid items
        itemWidth: 210, // Optional, the width of a grid item
        fillEmptySpace: true // Optional, fill the bottom of each column with widths of flexible height
      };

      // Get a reference to your grid items.
      var handler = $('#tiles li');

      // Call the layout function.
      handler.wookmark(options);
    });
  })(jQuery);