Visio’s built-in Save As Web feature has some pretty neat capabilities.
You can search for text, pan and zoom the always-smooth vector output, view Shape Data fields by Ctrl+clicking on shapes, and tab between Visio pages in one browser page.
But people want more. The features seem to always a-l-m-o-s-t do what they need.
This article will point you in the direction to do just that: get the Save As Web feature to do what you want it to do!