/**
  * Show scheduled tasks page
  *
  * @param void
  * @return null
  */
 function scheduled_tasks()
 {
     $options = ConfigOptions::findbyNames(array('last_frequently_activity', 'last_hourly_activity', 'last_daily_activity'));
     $values = array('last_frequently_activity' => (int) $options['last_frequently_activity']->getValue(), 'last_hourly_activity' => (int) $options['last_hourly_activity']->getValue(), 'last_daily_activity' => (int) $options['last_daily_activity']->getValue());
     // Convert non-NULL values into date time value objects
     foreach ($values as $k => $v) {
         if ($v > 0) {
             $values[$k] = new DateTimeValue($v);
         }
         // if
     }
     // foreach
     $this->smarty->assign($values);
 }