Need help to install firebox

[dhanabalan_svks]

Hi Dears,

i need ur help to install firebox.
i am trying to install firefox via synaptic packaage manager.I get following error.
I am using ubunthu 9.04 jaunty ..

firefox-3.5:
Depends: xulrunner-1.9.1 but it is not going to be installed
Depends: firefox-3.5-branding but it is not going to be installed or
abrowser-3.5-branding but it is not going to be installed
Recommends: ubufox but it is not going to be installed


also i was not able to install firefox previous versions 3.0 ...
please help me to install.

thanks,
Dhanabalan.c