How to add Sub Catagories

[khagta]

I want to have categories like you have in these photoblogs. Are they using any addon?
Please Help

http://ssudhi.pixelring.net/sharpBokeh/index.php?x=browse
http://www.j-roumagnac.net/index.php?x=browse&filter=last100

[Dexys]

I want to have categories like you have in these photoblogs. Are they using any addon?
Please Help

http://ssudhi.pixelring.net/sharpBokeh/index.php?x=browse
http://www.j-roumagnac.net/index.php?x=browse&filter=last100

Hi,

For the second it's a javascript.

The first website doesn't works on my FF :-)

I found. It's a javascript, but there is a bug in this code :-)


Regards, Xavier