Dropdown Menu with Submenu

I am looking for an extension or js that would allow me to create a menu system based on the one below:
Menu Item 1
Menu Item 2
Menu Item 3
Menu Item 3a
Menu Item 3b
Menu Item 4

"WebSlave" <webforumsuser (AT) macromedia (DOT) com> wrote in message
news:co0h4q$q5q$1 (AT) forums (DOT) macromedia.com...
I am looking for an extension or js that would allow me to create a menu
system based on the one below:
Menu Item 1
Menu Item 2
Menu Item 3
Menu Item 3a
Menu Item 3b
Menu Item 4

Plenty of items should do that. See e.g. here:

http://www.hotscripts.com/JavaScript/Scripts_and_Programs/Navigation/Menus/index.html

tim