I have the problem resolved. Thank you all for you help.
Screenshot is here: http://macsupport.ca/screenshot.jpeg
This was taken while using Firefox V.1.5. You can see how the sidebar on the right extends in the screenshot. I have checked the same posting while using Apple Safari and the layout is fine.
This must be a browser issue? Can anyone else confirm and perhaps recommend a fix?
Thanks for the input so far.
Looks great on my Mac! Although I do agree with others that the content should be a bit wider as to avoid scrolling.
