Gecko Iframe-shim extension

The Gecko Iframe-shim extension allows you to position menus above Java applets and other embedded media, in Windows or Linux builds of Mozilla 1.1 or later. Thanks to Bj�rn Carlsson for this suggestion.

Here's a Java applet - open some menus in a supported build and you'll see they go above it:

Thanks to Chris Ricci for the tinyType applet.