In order to use the following HTML page as a bookmark file:

Save the page nacbook2.html to your home drive or to a diskette.
In your Bookmark menu, select Go To Bookmarks.
Select File, then Open.
Find the file on your home drive or on your diskette, select it and click OK.
The bookmark file will load.
You can save as many bookmark files as you wish and can easily access them within the Go To Bookmarks menu.