jQuery iPod-style Drilldown Menu 

a jQuery iPod-style drilldown menu to help users traverse hierarchical data quickly and with control. It’s especially helpful when organizing large data structures that don’t translate well into traditional dropdown or fly-out menus.

AJAX Context Menu for IE and FireFox 

Spice-up your webpages with cool looking and totally customizable context menus with this easy to install script. No html editing, except adding a few lines of JavaScript code and modifying an xml file. ContextMenu.XML comes with a set of 11 predefined skins – Acid, AcidMachine, Blue, Default, Green, Mac, Office2003, Office2007, Orange, Red and WeMakeSites, [...]

Urban Gray Accordion Menu 

Urban Gray Accordion Menu is a clean, vertical menu with headers that are activated “mouseover” (200 millisec delay). Each header is hyperlinked itself, feasible since the headers are toggled “mouseover” instead of “onclick”.