Custom menu with content

I’m looking for some kind of CMenu that will let me show an entire div on mousehover over each menu item.

There won’t be any “subitems”, so that’ll be just the main menubar.

I was wondering if something like that is possible using CMenu and CPortlets?

Or maybe there is something already done?

If there isn’t, could somebody tell me how exactly to use CMenu and CPortlets to achieve this?


Exactly like this (the box menu):