Shadowbox.loadSkin('classic', '../js/shadowbox-2.0/src/skin');
Shadowbox.loadLanguage('en', '../js/shadowbox-2.0/src/lang');
Shadowbox.loadPlayer(['html', 'img', 'iframe'], '../js/shadowbox-2.0/src/player');
window.onload = function(){

  var options = {
    animate: false,
    overlayOpacity: 0.80,
    fadeDuration: 0.2
  };

  Shadowbox.init(options);
};