Edited my post above just before you posted. I had discovered NoScript was blocking one of the child sites your site uses and was causing the links to bounce back as 404s. After allowing scripts on the offending site, the links worked fine after that!
Thanks for the help and good work with the build. It's miles better then the original build I got off the main site.
Thanks for the help and good work with the build. It's miles better then the original build I got off the main site.