Creating hyperlinks that can be followed both from a TaskMap in Visio and from TaskMaps saved as web pages is possible but requires careful planning for the use of the Windows directory hierarchy. The techniques described in the Simple Publishing Example you’ve just walked through are fine when you have only a few target documents and can control where they will be located.
When your requirements are more complex or when you have less control over the directory structure in which your documents are stored, you need to learn the more advanced aspects of hyperlinking. In particular, it is essential to understand how relative and absolute hyperlinks work. It is also essential that you know even more about the critical differences between the way that hyperlinks operate when followed from a TaskMap in Visio versus the way they operate when followed from TaskMaps published as web pages. A good place to start is Choosing a Link Type, then continue with topics like the following: