// JavaScript Document
  var viewer_cages = new PhotoViewer();
  
  viewer_cages.add('cages/1.jpg');
  viewer_cages.add('cages/2.jpg');
  viewer_cages.add('cages/3.jpg');
  viewer_cages.add('cages/4.jpg');
  viewer_cages.add('cages/5.jpg');
  viewer_cages.add('cages/6.jpg');
  viewer_cages.add('cages/7.jpg');