This question may be naïve, but I have Angry Birds for Mac on my laptop and when I play it, the computer works fine. When I started playing this version, my coo

This question may be naïve, but I have Angry Birds for Mac on my laptop and when I play it, the computer works fine. When I started playing this version, my cooling fan almost immediately turned on full blast. Even when I'm streaming HD video, that never happens. Is it the fact this game is written in HTML rather than objective C the reason that it's so processor intensive?(it's a 13" MacBook pro running OS 10.6.7 if that makes a difference)