Tigra Tree Menu is a free JavaScript DHTML navigation system
Edit By BS Editor: Tigra Tree Menu is a free JavaScript DHTML navigation system for web sites and web applications. Product looks and acts exactly as Microsoft Windows Tree Control. Offering the best performance on the market, script can manage hierarchies containing thousands of items.

Features

unlimited tree menu depth
unlimited number of tree menus on single page all independently configurable
easy items text styles setup
any icons set can be used
small script file (~5KB)
highly optimized code guarantees incredible performance (good results on trees containing 10,000+ items)
can be used either inline or with frames
future browsers versions ready
simple configuration file structure, easy to generate dynamically from database
object oriented JavaScript implementation for those who want to learn DHTML programming
best choice for site maps, online documentation and intranet applications you can free download Tigra Tree Menu 1.1 now.