Shortcut Keys:
Alt + S - Save
Ctrl + S - Save (may not be compatible in all browsers)
Alt + C - Save and Close
Ctrl + Enter - Save and Close
Escape - Closes the form (same as Cancel)
Alt + Up Arrow - Previous Item (Saves if changed)
Alt + Down Arrow - Next Item (Saves if changed)
2011 and previous years' documents can be found HERE.