To retrieve a recording and all the details, a URL can
be executed to the amethyst server.
The server will give a HTML page with all the recording
details and a embeded media player with the recoridng.
The format of the URL is as follows.
http:// + Amethyst server name + '/listen|' + supervisor name +
'|' + reference number as a .wav file.
eg. http://amethyst/listen|allusers|95_07D5432C4021.wav