Interactive Buttons - Example with Duplicated IDs

This page shows what can happen when two include pages containing Interactive Buttons are applied to a single page. If the whole page does not show, scroll down until the "Interactive Home" button on the left, and the "Button 3" button in the bottom border both show.

View the HTML (View Source) and notice that the left "Interactive Home" and bottom "Button 3" buttons both have the same id: