Script Summary: Changes color of page to grey text on black background to make pages easier to read. Auto saves state mode. Uses F2 to toggle colors on and off.
This is improved version of Ben Lee's Tired Eyes script.
Tired Eyes Improved saves a state mode, so no need to press F2 again and again when the page is reloaded. Furthermore, script saves a state mode even after restart browser.
Nov 27, 2011 - ver 1.0 - Released.