//432nav_audio
// play a sound on new mail? if so, which one?
$_prefs['nav_audio'] = array(
    'value' => '',
    'locked' => false,
    'shared' => false,
    'type' => 'implicit',
);
  
// sound selection widget
$_prefs['soundselect'] = array('type' => 'special');

// End New Mail preferences

