Stopping automatic resizing

Greetings folks (and happy halloween!),

I’m using an update function to fill the browser window with this flash site:

like so:

myListener = new Object();
myListener.onResize = function(){

Works great. my question is, how could I limit the size of the Stage? the Stage.width and .height properties are read-only. What I want to do is make it so that the stage will not be shortened past a certain point, so that the browser will display a scroll bar instead of just cutting off the bottom of the site. See what I mean?

Anybody got any ideas? Thanks in advance!