Expand and collapse tree menu

Hi all - looking for a js tree menu that uses "expand all" and "collapse all" links at the top, but they're the same link.
In other words, one becomes the other when clicked since you can't do both at the same time.

The problem is I can't find an example - do you have any links to one such menu?

Thanks ;-)
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Do you want a freebie or a commercial solution? Have a look at these:

I have to admit though, that I'd personally perfer to use a toolkit like Dojo (dojotoolkit.org) where the sheer power of the whole makes it completely pointless to try to roll your own. Even IBM and Apache use this stuff, so it's pretty darn good!
seanpowellAuthor Commented:
Thanks - used b0lsc0tt's solution, should be workable.
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