Captcha audio handling for Mambo

• author: Mambo Foundation Inc see README.php
• copyright: Mambo Foundation Inc. See COPYRIGHT.php for copyright notices and details.
• filesource: Source Code for this file
• license: GNU/GPL, see LICENSE.php Mambo is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License.