Superclick is a jQuery drop-down menu enhancement plugin sharing many of Superfish's features but focusses solely on click events to open and close submenus. This means that links with associated submenus will never be followed, they will simply toggle the visibility of the submenu.
Superfish is an enhanced Suckerfish-style menu jQuery plugin that takes an existing pure CSS drop-down menu (so it degrades gracefully without JavaScript) and adds the following much-sought-after enhancements.
