(Solved)Menu not going to background with Maxigallery

Hiya,
I am building a site for a friend. It includes WF and Maxigallery.
The problem is the menu stays "on top" when pictures are displaying. The z-index of WF appears to be 100 so it should go to the background right?
Any ideas how to fix this?
Thanks,

see link: http://www.vaugeha.de/heidelberg.html

The higher your z-index, the more "on top" it’s going to be. Item A with a z-index of 20 will show on top of item B with a z-index of 10.

http://developer.mozilla.org/en/docs/Understanding_CSS_z-index

See the demo here

http://www.w3schools.com/Css/tryit.asp?filename=trycss_zindex2

Thanks Susan!
That was it, I had the z-index backwards.
Cheers!