dhtmlxMenu represents an excellent solution for web navigation. If you need to integrate Ajax-enabled DHTML navigation system into your web application or web site, you can do it easily with dhtmlxMenu. This JavaScript navigation component enables to create attractive drop down menus. It's flexible, powerful, lightweight, and easy to use. dhtmlxMenu allows you to generate completely customizable hierarchical Javascript menu that covers all web site navigation needs. You can freely define visual menu appearance and complexity by simply changing menu parameters (color, font, borders, padding, position, background images, and more). Dynamical loading from XML gives an opportunity to change navigation menu completely without reloading. dhtmlxMenu supports vertical scrolling of items and several buttons types (image, image with text, select box). It works perfectly in all major web browsers (IE, FF, Safari, Opera, Chrome). dhtmlxMenu has great feature set, wide variety of options, flexibility, and powerful JavaScript API. dhtmlxMenu is available under both GNU GPL and Commercial License ($49).