Problem with rollOver's

Hellow everybody

My problem is:
I have on the top of the screen a USB, and a knife. If you go over them, then the pulled out on the big picture.
So far the good part
But if you go then over a different link the other knife go also open.

Difficult to say

but here’s the fla http://www.acb-vzw.be/info.fla
please help me, and solve the problem :*(

thx in advance

srry for my poor english