Lookup [!]Zorder[/!]
If you position 2 images on top of each other, the zorder specifies which one is on top of the other.
To make image 1 on top: Image1.ZOrder 0
To make image 2 on top: Image2.ZOrder 0
Alternatively, you could also set the visibility to false for the image you don't want to see.
-George
Strong and bitter words indicate a weak cause. - Fortune cookie wisdom