Upgrade Openoffice in Ubuntu

sudo vi /etc/apt/sources.list

Add:

deb http://ppa.launchpad.net/openoffice-pkgs/ubuntu intrepid main
deb-src http://ppa.launchpad.net/openoffice-pkgs/ubuntu intrepid main

then do an update:

sudo apt-get update
sudo apt-get install openoffice.org