Here are some links:

http://www.ivanpeters.com/
http://www.dannyg.com/javascript/ol2/
http://www.geocities.com/Paris/LeftBank/2178/ftexample.html

I liked the last one best. HTH

Update: You don't say if you need to support multiple browsers/versions. Decide this early. Your job will be much easier if you can write for one browser. And IE, imo, has a better DOM for doing this folder thingy.

In reply to Re: building an HTML based tree UI by voyager
in thread building an HTML based tree UI by jptxs

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