Until side bar is created options at the bottom of the pages will surfice. A visual metaphor can also be used to ease navigation and make it more memorable. Frames Disadvantages Can be confusing for readers. Some browsers don't support frames. URLs can stop working.
Frames can go with the user from site to site.
Splitting a page into frames is very confusing for users since frames break the fundamental user model of the web page. Is harder to program and to manage. Advantages Frames can go with the user from site to site. For future discussion . The medium term aim is to buy a PDF writer and to convert files to PDF format.