Select the script channel in frame 15 and press the delete key on the keyboard. Rewind and play your movie. You should now see all of your animations. Select the script cahnnel in Frame 1. Click the new script button at the top of the Score window.
Type go to the frame .
Rewind and play your movie. Nothing should appear to happen yet actually we are looping within Frame 1. Now open the cast menu. Select the first button you created and click the script button at the top of the score menu. Rewind and play your movie.