STX Plugin Test
(if you don't have the STX Plugin yet your browser should automatically
prompt you to get it from the download page)
The plugin should look similar to
this picture.
and executes this Smalltalk source code (in file "plugintest.st"):
Fullscreen mode: Choose "Escape Browser" from the Navigation Bar
(located at the bottom of the Plugin window).
Trouble Shooting: See here.