1)   dhtmlxToolbar 1.0
dhtmlxToolbar is a free JavaScript Toolbar with high functionality, XML support, cross-browser compatibility and rich API. Completely customizable - you can freely define visual appearance of this DHTML Toolbar by simply changing its parameters.

 2)   CodeThatMenu JavaScript Menu 2.3.1
CodeThatMenu is advanced cross-browser state-of-art JavaScript menu control that can be easily integrated in any web page and requires no JavaScript knowledge from the prospective user