need help search script

[reis]

i need help about product search script like this

http://www.israel-diamonds.com/search/diamonds/default.aspx?loc=left

and this one its the same i think this is mambo or joomla

http://www.diamondcutters.com/finder.php

can someone point me to an tutorial to get this script its also good if i had for integrating in a forum.