You do not need to know the name of the computer that holds the file. You do not even need to know the location of that computer. Your Web Browser, using the link already present, does all the work for you. I hope that I've explained a little of the nature of the Web. With other Browsers the pages appeared mostly blank.
Comments are welcome.
However, I've carried on the tradition of making the site viewable in as broad a range of browsers as possible. You might like to visit the Best Viewed With Any Browser site to learn more.