Loop Media Problem (With StoryBoards)

Hi everyone,

I made transaction between two medias. But it works just one time.. when form load I call play1 method. And after when transaction of second media finished,i calll again play1 but in this time,it doesnt work.I think problem is second or first storyboard.. Can u help me about this ??
Thank you

 
  private Storyboard myStoryboard;
  Storyboard board2;
  MediaElement mediaElement1;
  MediaElement mediaElement2;
  DoubleAnimation myDoubleAnimation;
  MediaTimeline mediaTime1;
  MediaTimeline mediaTime2;
  Clock storyboardClock = null;
  bool IsMediaOpened = false;
  bool IsMedia2Opened = false;

  public MainWindow()
  {
   InitializeComponent();

   var myPanel = mypanel;
    mediaTime1 = new MediaTimeline(new Uri("c:\\test\\video2.mp4"));
   mediaTime2 = new MediaTimeline(new Uri("c:\\test\\video1.mp4"));


   NameScope.SetNameScope(this, new NameScope());

   mediaElement1 = new MediaElement();
   mediaElement2 = new MediaElement();
  
   mediaElement1.Name = "mediaElement1";
   mediaElement2.Name = "mediaElement2";
   mediaElement2.ScrubbingEnabled = true;
   mediaElement1.ScrubbingEnabled = true;
   mediaElement1.LoadedBehavior = MediaState.Manual;
   mediaElement2.LoadedBehavior = MediaState.Manual;

   mediaElement1.MediaOpened += new RoutedEventHandler(media_MediaOpened);
   mediaElement2.MediaOpened += new RoutedEventHandler(media2_MediaOpened);
   this.RegisterName(mediaElement1.Name, mediaElement1);
   this.RegisterName(mediaElement2.Name, mediaElement2);

   this.RegisterName("video1", mediaElement1);
   this.RegisterName("video2", mediaElement2);
   myDoubleAnimation = new DoubleAnimation();
   myDoubleAnimation.From = 1.0;
   myDoubleAnimation.To = 0.0;
   myDoubleAnimation.Duration = new Duration(TimeSpan.FromSeconds(1));
   

   myStoryboard = new Storyboard();
   myStoryboard.CurrentTimeInvalidated += new EventHandler(storyboard_CurrentTimeInvalidated);
   myStoryboard.Children.Add(mediaTime1);

   board2 = new Storyboard();
   board2.CurrentTimeInvalidated += new EventHandler(storyboard2_CurrentTimeInvalidated);
   board2.Children.Add(mediaTime2);
   mediaElement2.LoadedBehavior = MediaState.Play;
   
  
   mediaElement1.MediaEnded += new RoutedEventHandler(MediaElementEnded);
   mediaElement1.Loaded += new RoutedEventHandler(MediaElementLoaded);
   myDoubleAnimation.Completed+=new EventHandler(myDoubleAnimation_Completed);
   mediaElement2.MediaEnded += new RoutedEventHandler(MediaElement2Ended);
   myPanel.Children.Add(mediaElement1);
   myPanel.Children.Add(mediaElement2);
   
 
  }

  private void media_MediaOpened(object sender, RoutedEventArgs e)
  {

   this.IsMediaOpened = true;
  }


  private void media2_MediaOpened(object sender, RoutedEventArgs e)
  {
  
   this.IsMedia2Opened = true;
  }
 
  private void MediaElementLoaded(object sender, RoutedEventArgs e)
  {

  play1();
  }


  void play1() 
  {
   board2.Stop(mediaElement2);
   myStoryboard.Stop(mediaElement1);
   myStoryboard.Remove(this);
   board2.Remove(this);

   Storyboard.SetTargetName(mediaTime1, "video1");
   Storyboard.SetTargetName(myDoubleAnimation, "video1");
   myStoryboard.Begin(mediaElement1);

   

  }