old_contents: $(function() {
    $(".ytapiplayer").each(function(index, ytplayer) {
      ytplayer = $(ytplayer);
      var url = ytplayer.data('youtube-url');
      var id = ytplayer.attr('id');
      swfobject.embedSWF(url, id, "640", "360", "8", null, null);
    });
  });
  
new_contents: $(function() {
    $(".ytapiplayer").each(function(index, ytplayer) {
      ytplayer = $(ytplayer);
      var url = ytplayer.data('youtube-url');
      var id = ytplayer.attr('id');
      swfobject.embedSWF(url, id, "853", "505", "8", null, null);
    });
  });
  
subject: Increase size of John Carmack youtube video