Thanks I will give it a try also. I have been testing and found that the following works also although it took some trial, first I was just getting all the pages redirecting to the home page. I think just not ending the session in the browser was keeping the results from changing.

Options +FollowSymLinks
RewriteEngine on
RewriteCond %{HTTP_HOST} www.origsubdomain.domain.com$ [NC]
RewriteRule (.*)$ http://www.origsubdomain.com/$1 [R=301,L]