How is this done?

[PixelPaul]

I really like the effect on this page:
http://www.twistedkite.com

I'm looking for some info or tutorials somewhere as to how this is done. Is it advanced as it looks? Can anybody help?

Thanks-
Paul

[valpez]

Here is an actionscripted way
http://www.kirupa.com/developer/mx/fadegrid.htm

The other way is to use simple motion tweens for each of the squares to reveal the picture beneath it.