I have made the following site.

http://www.scarboroughsmaritimeheritage.org.uk

I have been informed that it is not working right. I understand that the person who has reported the errors uses a mac. Can you try this site out and see if anything goes wrong. I cannot understand why it works badly. It works in firefox and IE. I just wonder how reliable this criticism is. He said it was a bit all over the place. Some problem with the centering