Who is an expert in DOM?

Giganews Newsgroups
Subject: Who is an expert in DOM?
Posted by:  Victor (big.bo…@chefmail.de)
Date: 29 Sep 2006

A question for gurus :

What could cause the following phenomen : after clicking "Back"-button
of a browser the DOM-structure does not change back to the
DOM-structure of the previous page and stays on the structure of the
page which has been just left?