Features:

• Javascript interface
• PHP interface (in this case you can generate either HTML or Javascript code)
• You can make both horizontal and vertical menus
• A menu can be placed inside both absolutely and statically positioned containers
• Keyboard navigation & accelerators
• The library supports and automatically handles shortcuts (like Shift+F3) - you don't have to develop additional code
• You can add, delete and modify menu items on the fly [that is, after the menu is displayed and working and without a round trip to the server] (JS version only)
• You check and uncheck items (JS version only)
• You can select radio items (JS version only)
• Can you enable and disable items and submenus (JS version only)
• Supports both vertical and horizontal separators
• Items can have icons
• The library can fly-out submenus to right or left, top or bottom depending on the position of the menu
• Widths of items and submenus are set automatically, as well as placements of shortcuts
• You can have more than one menu on a page
• Search engine friendly, degrades well if Javascript is turned off (HTML version only)
• Style is defined via a CSS file, which you can replace to change the looks
• Four different CSS files ship with the library
• XHTML 1.0 Transitional compatible
• Compatible with Internet Explorer 5.5 to 7, Firefox, Opera 9
• Handles the SELECT tag problem for Internet Explorer 6 and lower

NOTE: The Free Version doesn't have the PHP interface, it adds a new menu item "ZZEE DHTML Menu" to menus, and it comes only with one style "Vista".

ScreenShot