Didn't work in Firefox 3.0 Final Puntuado con 4 de 5 estrellas

Hi ppl.
This a very very good Add-on! But it didn't work in Firefox 3.0 Final. Can you fix this please? I just want open a download manager in a new tab.

Thanks for all!

Esta valoración es de una versión anterior del complemento (0.7.2).