To crack the code, you need to go to the web page you were given. You'll find the answer you seek there, if you look hard enough (and think simply enough).
I've gotta admit that the first time I tried to do it, it took me about 25 minutes to give up. The second time, it took me about ten minutes from start to end. Had I realized I needed to watch the whole movie, it would have taken five...
All I can say is Google is a wonderful tool... for almost everything.