var pg = {};
  
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});
  app.schedule(2, pg.prep_slides);
};

pg.prep_slides = function() {
  var t_slide = pg.v_slide;
  pg.v_slide = pg.i_slide;
  pg.i_slide = t_slide;
  app.css(pg.i_slide, {'display': 'none', 'z-index': 1});
  app.css(pg.v_slide, {'z-index': 0});
  app.node(pg.i_slide).src = '/images/style-thumbs/' + pg.images[pg.index - 1];
  app.schedule(5, pg.next_slide);
};

pg.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'
	       ];
  app.schedule(5, pg.next_slide);
};

app.onload(pg.init);