Somehow gnus is opening a new window to the right of its group window to
read emails, but its not what I want. How can I stop this please and
just have it opening with the group pane above the message pane? IOW,
getting its default behaviour back again.

Thanks
Sharon. 
-- 
A taste of linux = http://www.sharons.org.uk
my git repo = https://bitbucket.org/boudiccas/dots
TGmeds = http://www.tgmeds.org.uk
Debian testing, fluxbox 1.3.5, emacs 24.3.93.1