vi 7.0 and latex

Hi,

In the new version of VIM that I am using, the sections, subsections are collapsed as shown below:

+-- 36 lines: \subsection*{Aim}-------------------------

If I press space on the above line, the subsection will be expanded, but I have to do it every time I open the file. Is there anything I can do to see the entire file at once.

Thanks
J.

vim version
VIM - Vi IMproved 7.0 (2006 May 7, compiled Jan 31 2007 18:15:57)
Included patches: 1-122
Compiled by jamessan@debian.org