Yettwasezmel 5 ɣef 5 n yetran

sɛur peacenik di March 12, 2010 · aseɣwen yezgan

I like this add on a lot and use it fairly regularly.
It is unobtrusive and very functional.
I just wanted to know, is there some way to add more than four tabs?
What part of the code would one look at to do this?