Not work at Firefox 21! Rated 4 out of 5 stars

This add-on is very very good for use with the "right click" scroll.
But after updated Firefox 21, it can't right click scoll on some webpages.
Also, in the FF old version can't work when "Java Script" option untick for "right click menu" function.
Please update! thankyou so much!!!

This review is for a previous version of the add-on (