Thanks for answering. I have asked other people and they have to problem getting on.If neither the iPad or PC are working, them it's probably a problem with the site itself. This happens.
If you can't get to the site at all, you can try Googling about the forum to see if you can find any blog posts about the problems, and when they expect it to be resolved.
If you supply a link to the site, other's can see if they can get to it, or say something if they know what's going on.