any effect changes all photos on page though not linked

I have a high school athletic program I'm working on.  I have photos and typed scripted on many pages throughout the game progam.  When I try to use ANY effect on any script, photo, border etc, it applies a greying/ dulling effect to all photos on that page.   For example: if I move a typed word or image with drop shadow effect appliedto it  to a different page the distortion moves with the image/typed word from page to page but the previous page photos return to normal.  Nothing is linked, and I dont have to be on the actual page just on the overall pallet of that page to affect everything.  Thsi is driving me crazy