1)   Advanced Menu Bar 2.4
Make a professional menu for your site with the Advanced Menu Bar ! Menus can pop up over HTML content, frames and even go over the browser window. The Advanced Menu Bar can even execute javascript functions. Source code also available.

 2)   Pop-Up Menu Creator 4.6 L.E.
Pop-Up Menu Creator is a program that lets you easily create DHTML website menus using a WYSIWYG interface. You can customize almost every parameter of the menu and create your own professional looking DHTML menu within a few minutes.