Basically no prob, rather fun, a tiny macro that just toggles a pref.
But do you really want a toolbar button?? Have an image for it? Should it show the pressed state? Uhm, starting to turn into "work"... ;-)
Hmm... or this one? That's the middle part of Tools>Privacy menu, just the list of "Block"-commands:
Edited 1 time(s). Last edit at 07/04/2011 05:41AM by siria.