I just now installed this. Will post later if I run across any problems with it. “… SettingSanity is a new Firefox extension that adds all missing preferences back to the Firefox options. All you need to do is install the extension and restart the browser to get access to the removed preferences again.“Even better is the fact that you get the advanced settings back as well. Both the JavaScript and images preferences are added back to the content tab where they can once again be accessed. …” Source: Ghacks Technology Newsletter Details  SettingSanity adds removed preferences back to Firefox