Shadowbox.loadSkin('classic', '/js/shadowbox/skin/');
Shadowbox.loadLanguage('en', '/js/shadowbox/lang/');
Shadowbox.loadPlayer(['flv', 'html', 'iframe', 'img'], '/js/shadowbox/player/');

Event.observe(window, 'load', function() {
  Shadowbox.init({
    skipSetup: true
  });
});