Thanks for your reply.
The following web sites were functional some time ago:www.hyperception.com/Happi/
Now, the pages appear to be active but are not working properly. On submitting the serial number of a run-time application I am getting an error message:
Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator, [no address given] and inform them of the time the error occurred, and anything you might have done that may have caused the error.
More information about this error may be available in the server error log.