Padding or margin problem

Hi,

I have a gap in my faux-columned layout and I cant figure out why. In IE I have a gap in the right-hand column and in Firefox I have a gap in the left-hand column. Is there a workaround I can use or do I have something inherently wrong with my css?

See this page as an example: http://footique.com.au/template.html

Cheers,
vfm.