Now, everyone always raves about relative links, and I can understand why, it makes alot of things easier. I don't use them very often, for one reason, I don't know how to go UP a directory.
A file in the top directory of my site (example.com, lets say) can relatively link to a lower folder, so instead of writing the link as http://www.example.com/photos/file.html I can just write photos/file.html. But if I'm editing photos/file.html, how do I relativley link back to the file in the top directory? And how do I relatively link to a file in a different folder than photos?