var pg = {
  
  next_slide: function() {
    if (pg.images.length == pg.index) {
      pg.index = 0;
    }
    pg.index += 1;
    MK.Visual.grow(pg.i_slide, {'duration': 2, 'fps': 30.0});
    MK.Async.callLater(2, pg.prep_slides);
  },

  prep_slides: function() {
    var t_slide = pg.v_slide;
    pg.v_slide = pg.i_slide;
    pg.i_slide = t_slide;
    MK.Style.setStyle(pg.i_slide, {'display': 'none', 'z-index': 1});
    MK.Style.setStyle(pg.v_slide, {'z-index': 0});
    app.obj(pg.i_slide).src = '/images/style-thumbs/' + pg.images[pg.index - 1];
    MK.Async.callLater(5, pg.next_slide);
  },

  init: function() {
    pg.index = 2;
    pg.v_slide = 'slide-a';
    pg.i_slide = 'slide-b';
    pg.images = [
        '1.jpg', '2.jpg', '3.jpg', '4.jpg', '5.jpg', '6.jpg', '7.jpg', '8.jpg', '9.jpg', '10.jpg',
        '11.jpg', '12.jpg', '13.jpg', '14.jpg', '15.jpg', '16.jpg', '17.jpg', '18.jpg', '19.jpg', 
        '20.jpg', '21.jpg', '22.jpg', '23.jpg', '24.jpg', '25.jpg'
    ];
    MK.Async.callLater(5, pg.next_slide);
  }
};

MK.DOM.addLoadEvent(pg.init);