Rated 5 out of 5 stars

yazan: artgru tarih: Oca. 16, 2011 ·

If you search for refControl version working under FF 4.0bX
here you go:
http://files.bluefang-logic.com/firefox/RefControl-0.8.13.2010.07.18.xpi

This review is for a previous version of the add-on (0.8.13).