//335PurgeEventsInterval
// 'value': yearly = 1, monthly = 2, weekly = 3, daily = 4, every login = 5
$_prefs['purge_events_interval'] = array(
    'value' => '2',
    'locked' => false,
    'shared' => false,
    'type' => 'select', 
    'desc' => _("Purge old events how often:"),
);

