You need usemap if your gonna use the map tag 
btw for proper xhtml you should close the img. like

And area needs to be closed aswell as have an alt attribute

btw for proper xhtml you should close the img. like
<img src="http://www.yourdomain.com/yourforum/images/copyright.jpg" border="0" usemap="#copyright" title="Copyright" alt="Copypright" [b]/[/b]>
And the map tag needs an id attribute 
And area needs to be closed aswell as have an alt attribute
