Problem: Campus Gradebook doesn't work after Java update.
Gradebook_error_1
If you see this error when opening the gradebook in FireFox on a Mac running OS X 10.4.x
  

Go-Utilities
In the Finder open the Utilities folded in the Applications folder
JavaPrefApp
Open the Java folder, J2SE 5.0 folder, Java Preferences application
JavaPrefs
Select J2SE 1.4.2 under the Java Applet Runtime Settings, Save and Quit the application.