When you create an add-on domain it creates a folder inside that account for the domain to point to. That is why you are seeing nothing when you go to the domain. It's pointing to an empty folder.
You need to go into your cPanel and remove it from the add-on domains then go to your AMP at...
I removed it.
These were created from a bug with cPanel.
I'm going to go ahead and close this, please re-open it or create a new thread if further assistance is needed.
-Corey
Did you complete the sign-up process? I don't see an entry for 'techbob' ever submitted. Not in the error log or anything.
Can you go here: http://x10hosting.com/logout
Then sign-up again and see if it works?
-Corey
We had the PHP system off for a while but it's been back on for a few months now.
http://us2.php.net/manual/en/function.dl.php
That link has more information about it.
-Corey