The problem is the same. On the URL:
www.electrodata.com/CW3Demo
I get an error 404 directly from Apache and not from Joomla:
Apache/2.2.11 (Unix) mod_ssl/2.2.11 OpenSSL/0.9.8i DAV/2 mod_auth_passthrough/2.1 mod_bwlimited/1.4 FrontPage/5.0.2.2635 Server at www.electrodata.com Port 80
If you want ReDJ to work you need to configure Apache so that errors 404 are assigned to home page of Joomla.
Have you the ".htaccess" in the root folder of your web server?
Let me know.
Luigi
P.S. To URL value MUST be absolute (e.g. http://{siteurl}/index.php?option=com_content&id=81)