growing <div>

[jason]

Two <div> areas side by side. When one grows downward, I'd like the
other to do so as well. Any way to do this?l I tried nesting,
but no success.

I'm using them to contain contentplaceholders (ala masterpages).

 

[Cowboy \(Gregory A. Beamer\)]

You can do it, with JavaScript, but it may be a bit of overkill if you are
just trying to get two equal length columns. For this, a two cell table may
work better, with far less extra coding.