To see the movie on this page, you need 
Flash 6+.
To control the movie, use small left 
and
right 
buttons
(under the movie window), like this:
- To step left, click left button in movie or on keyboard, press the left arrow.
- To stop, in movie, click left button.
- To play, in movie, click right button.
- To step right, on keyboard, press the right arrow.