In order for your pop-up images to appear above your DHTML menu, you have to define the appropriate z-index to both elements: the menu and the element where the larger image appears into.
The z-index of the menu should be less than the z-index of the larger image. In order to change the z-index of the menu, change the
You have to make sure that this is less than the z-index property of the larger image.
