If you have a browser that can handle the frameSET tag such as lynx ...no pb , go back and select the main frame link.
If you have an old browser such as NN1 or IE1 ...well you might update to a new one.
To view this document, you need a frames-compatible browser such as Netscape Navigator or Microsoft Internet Explorer.
But i suggest you the download Mozilla or Opera:
Ask me the pages if needed.