I've posted an example .fla and .swf of the problem.
There as supposed to be two pages. One with the red football team, the other with the blue football team. If you just click the arrow to go back and forth between the two pages, it works as intended.
However, if you mouse over one of the teams and see the image zoom in, then that image "sticks" on the stage even when you move to the other frame and you see both images.
How do I fix this?