How to get rid of low battery warning message?

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http://askubuntu.com – My application running on a laptop-like device is controlling battery status on its own but when laptop battery is critically low Gnome Power Management message box appears: As my GUI style is totally different I would like to permanently disable / uninstall this Gnome feature. How to achieve this ? EDIT: I am on Ubuntu 10.04 LTS (HowTos)