switch.js

function viddlerVideoSwitch(objectElement, newId) {
  viddlerVideoInterface(objectElement, function(movie){
    movie.setMovie(videoId, true);
  }, function(video){
    video = $(video);
    var src = video.attr('src');
    var poster = video.attr('poster');
    var oldId = src.match(/file\/([^\/]+)\/html5/)[1];
    var oldIdRegexp = new RegExp(oldId);
    video.attr('src', src.replace(oldIdRegexp, newId));
    video.attr('poster', poster.replace(oldIdRegexp, newId));
    video.load();
  });
}


function viddlerVideoInterface(element, flashCallback, videoCallback) {
  var object     = element.is('object') ? element : element.find('object');
  var embed      = element.is('embed')  ? element : element.find('embed');
      embed      = embed.get(0);
  var deepObject = object.find('object');
  var video      = element.find('video');
  
  var flashInterface = embed ? embed : object.get(0);
  var triedThat = false;
  
  while (typeof(flashInterface.setMovie) != 'function') {
    if (! triedThat) {
      flashInterface = object.find('object').get(0);
      triedThat = true;
    } else {
      if (typeof(videoCallback) == 'function' && video.length) {
        videoCallback(video.get(0));
      }
      return;
    }
  }
  
  if (typeof(flashCallback) == 'function') {
    flashCallback(flashInterface);
  }
}