1)   Happy XP-3000 Sliding Menu 1.30
Easy-to-use sliding menu to navigate your website. Designed for use down the side of your website. Uses a great-looking XP-3000 design. Online configuration tool. Supports user-definable multi-state icons and many more features.

 2)   Happy Aqua-R Sliding Menu 1.30
Easy-to-use sliding menu to navigate your website. Designed for use down the side of your website. Uses a fresh-looking Aqua-R style. Online configuration tool. Supports line-wrapping and many more features.

 3)   Happy Sliding Menus 1.11
These are sliding java menu applets available in numerous themes and suitable for sidebar navigation. Includes easy-to-use online configuration tool. Support for true-type fonts, multi-state user-defined icons, multiple event triggers and more.