ok when it works Rated 3 out of 5 stars

But it lags to computer bad after a while, and sometimes just goes into a jquery error loop making the computer unusable unless firefox is close and the computer is rebooted, This is on a vista with firefox 23.0.

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

Need more info

I am not sure of your issue. There are nearly no such issue reported since years about the extension. Except this firefox bug: https://bugzilla.mozilla.org/show_bug.cgi?id=839414

The extension contains a work-around to try to avoid it.

Also note, you need version 0.957 for FF 23.

I would be pleased that you send me a mail explaining what you see, what you found. (mgueury@skynet.be)