wget -c http://download-cdnetworks.mozilla.net/pub/mozilla.org/firefox/releases/3.6.9/linux-i686/pt-BR/firefox-3.6.9.tar.bz2
tar jxvf firefox-3.6.9.tar.bz2
mv firefox /usr/share/
ln -s /usr/share/firefox/firefox /usr/bin/firefox3
wget http://pub.quijaua.com.br/firefox/firefox3.desktop
wget http://pub.quijaua.com.br/firefox/firefox50.xpm
mv firefox3.desktop /usr/share/applications/
mv firefox50.xpm /usr/share/icons/
update-menus

rm /usr/share/firefox/ -fr
rm /usr/bin/firefox3
rm /usr/share/applications/firefox3.desktop 
rm /usr/share/icons/firefox50.xpm 
update-menus