Thanks for you're imput eric.  This is close to what I ended up doing.  
I have a box with an height and width that I want.  Inside that box I 
put a sping and another box.  Using setTimout I decrease the "height" 
attribute on the spring until it is the height that I want it.  This 
gives me the desired affect of having the buttons slide up from the 
bottom without causing the page to reflow.

Thanks again for everones help!
-eric

Eric Murphy wrote:

> Any XUL part of the chrome is not nearly as flexible as it is in the content
> area. That includes not allowing HTML elements, or positional CSS. At first
> I resented it, but now I know it is for the better :-)
> 
> What I would try doing if I were you would be to have a xul box, at the
> bottom with a height of 0. Then you can use the DOM to change the height of
> the box, even animation-like. Use CSS to control the overflow aspects of the
> box too (like disable scrolling).
> 
> You should be able to get the effect you want, unless you want to do
> overlapping of other elements. If that is the case, you will have to do
> something with bulletinboard. Maybe have virtually the whole screen be one?
> 
> Later,
> Eric
> 
> 


-- 
----
Eric Plaster                    Universal Talkware Corp
Senior Software Engineer        (612)843-6711
[EMAIL PROTECTED]            http://www.talkware.net



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