hey guys, i just have a quick question... i just got my apple book laptop fixed (the ehternet port was damaged). i got it back and it works great...except for one thing. quicktime videos wont play on my browser for some reason. it just doesnt work and i dont really understand why.its on my computer, installed, but it just wont work. im using firefox mostly, but when i try to open a quicktime movie in safari then safari just crashes. any insight would be much appreciated considering i am computer r****ded, and this is very frustrating as i need videos for my communications project. thanks in advance fot he help.