Documents and images help...

I recently entered this url: http://www.bonnierskonsthall.se/en/ and when I clicked on the images on the right side of the page, the image apperes in the middle over the page.. Please look what I mean...

Does anyone know how to do this? With the fading stuff to?

Thanks in advance.
Fredrik in Sweden...

http://www.dynamicdrive.com/dynamici...tbox/index.htm

and:

http://www.dynamicdrive.com/dynamici...box2/index.htm

Thanks alot.. :) This stuff was realy cool... Realy thanks alot.. :)
Best regards
Fredrik in Sweden.