Fantastic ! Rated 5 out of 5 stars

by Anonymous-197944 on Nov. 25, 2011 · permalink

Even works in full-screen mode, if you move the button to the vertical toolbar ( https://addons.mozilla.org/en-US/firefox/addon/vertical-toolbar/ )
No more status/add-on bar problem, having chosen Buttonizer to show add-on bar, but do as you wish, it's all in the options :)