Drop down menu extension for VM3

[jimleeder123]

I want to know if anyone knows an extension for a drop down menu like on this - http://www.ledlightszone.co.uk/ - not that it has to function or look  exactly like that, I want to be able to have a menu on the top that drops down similar.

Anyone have any ideas? Thanks.

[GJC Web Design]

plenty of so called "megamenus" on joomla extensions - that site is using this jquery one as a basis
http://www.designchemical.com/lab/jquery-mega-drop-down-menu-plugin/examples/

but a lot of these are "hand carved" as they are difficult to automate for all "conditions"