It would be helpful to to others using the forums if you create a new thread for a completely new question. That way the "Subject" line of your post has some relationship to what is actually discussed and related discussion can remain together. .
Your domain is running PHP4, which has register_globals set "on"; you can change your domain to use PHP5, which has it turned off.
To do this , go to the control panel -> Domains -> Manage Domain screen and click the "edit" link under the "Web Hosting" column. Modify the choice of PHP to use for your domain in the provided "pull down" selector and save the changes.
After a few minutes, when the change is complete, you will be running PHP5 with register_globals "off".
Joomla will warn you of the magic quotes setting under PHP 5, but you can ignore that warning, as it is not a security issue.