Another One of These?
There have been a lot of these lately and they're really not that great, especially considering you can just click the mouse down and drag to the end of it to easily cheat the game. If you really want to make a good game in this style, consider adding some decent graphics and adding ActionScript to prevent the mouse clicking cheat. I'd really like to see a good game like this but so far I've been greatly disappointed. Good luck.
P.S. The last level is a bad idea, it mostly just shows that you are new to programming and are still experimenting with what you can do. I'd suggest not including something like that in a future version of the game.