#2 Add buttons to launch more documentation

[Curt Cox]

There is plenty of space on the toolbar. Adding
button(s) to launch one or both of the following pages
would be convenient.

How to Use GridBagLayout
http://java.sun.com/docs/books/tutorial/uiswing/layout/gridbag.html

GridBagLayout Javadoc
file:///c:/j2sdk1.4.2/docs/api/java/awt/GridBagLayout.html