ProtoFish – is an advanced Multilevel Dropdown Menu / Navigation script based on Prototype. You can easily add a delay to your menu (on mouseout) and choose your own hover class.

View ProtoFish Demo

multilevel dropdown navigation

ProtoFish is:

  • lightweight script – only 5.2kB.
  • unobtrusive – fallback to a standard CSS hover menu.
  • cross-browser – IE6+, Safari 3+, Opera 9+, Chrome, Firefox 2+.
  • fully customizable.
  • accessible for keyboard navigating users (ARIA support can be turned on).
  • Supprot multiple instances per page with unlimited sublevels.
  • and is free (MIT License).