You're seeing this page because your browser doesn't support frames.
Frames are a way to divide up a web page into several different areas.
It lets us give you more information, such as including a menu bar to help you move around the site. Probably because it' s old. Browsers from Netscape and Microsoft have been supporting frames for several years now, and the technology is well established. It lets you have more and easier access to information, and, since many sites nowadays use frames, lets you visit more sites. You download the current versions of either Netscape Communicator or Microsoft Internet Explorer .