My PgUp & Dn buttons now navigate forward and back instead of paging/scrolling.

Suddenly my PgUp and PgDn buttons go to previously visited web pages. before today they simply scrolled up or down.
I DO NOT have caret browsing turned on nor did I in the past. Caret browsing fixes the problem for Pg buttons but the up and down arrow buttons change.

Sounds like this bug;
*[https://bugzilla.mozilla.org/show_bug.cgi?id=640587 Bug 640587] - Page up/down behaviour changes to "page back/forward"

Similar Messages

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    Code on frame 1
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    function gotoThree(evt:Event):void{
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