Help Publisher for FrontPage
With this 3rd party FrontPage add-in, you can create full-featured HTML help files as easily as making a Web site. Help Publisher can produce HTML Help 1.x and MS Help 2.0 format help files as well as publishing help topics to Microsoft Word for proofreading and the production of manuals. Automatically creates the help file’s table of contents from the web's navigation structure and can even create an expandable/collapsible JavaScript contents for website hosted help.
Download it from MSDN.