Related Files for CS3

How to use

In the Toolbar

List of the Related Files.
Open it Directly.
In the Toolbar

Select Related Files in the Files Panel

Select files in the Files Panel

Target

about Update the list

This extension doesnot work at real-time (because other processing do not become heavy).

This extension change the list,
  when you open the document,
  when you change the view(design view <--> code view),
  when you edit the document on the design view.