Script Summary: Hides gcal sidebars when F12 is pressed. Settings are saved for next time. Updated for new Google Calendar layout, but the link feature no longer works. I'm working on it! Just use F12 for now. 06/07/2010
Adding this script will allow you to max out your screen real estate in Google Calendar. Just hit F12 to toggle. Your preference is saved for next time, so if you maximize your calendar then it will be maximized next time you open the page.