Rails spinoffs - Mar 2006 - question about auto-updating div with overflow:auto and maintaining position

I have a div (with overflow:auto) that gets stuff added to it via 
Ajax.PeriodicalUpdater, and I''d like to keep it scrolled to the bottom
all
the time, unless the user manually scrolls away from the bottom (and be able 
to return it to its bottom-sticky form afterwards)

I''m not sure if this is just some css trickery I need to do, or if it
requires
some javascript to do it.

Here''s what I have so far (yes, I''m creating an online chat
interface)
http://edge.scriptkitchen.com:81/~kitchen/chat.html

I tried putting a <a name="bottom" id="bottom" /> at
the bottom of the div,
and an oncomplete with effect.scrollto(''bottom'') but that
didn''t do anything,
presumably because effect.scrollto is checking the scroll position of the 
overall window (which should theoretically never scroll) rather than the 
scroll position of the div itself.

Any help would be greatly appreciated :)

Thanks!

-Jeremy

-- 
Jeremy Kitchen ++ kitchen-RA8HwDor7flnDGu+y90WmgC/G2K4zDHf@public.gmane.org

In the beginning was The Word and The Word was Content-type: text/plain
  -- The Word of Bob.


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