function datepickerAction()
 {
     ob_clean();
     $unitID = $this->_getParam('unit_id', null);
     $unitModel = new RM_Units();
     $unit = $unitModel->get($unitID);
     $reservationModel = new RM_Reservations();
     $reservations = $reservationModel->fetchAllForUnitCalendar($unit);
     $config = new RM_Config();
     $RMdate = new RM_Date();
     $jsonDisabledPeriods = new stdClass();
     $jsonDisabledPeriods->start = array();
     $jsonDisabledPeriods->end = array();
     foreach ($reservations as $period) {
         $jsonPeriod = new stdClass();
         $jsonPeriod->start = $config->convertDates($period->start_datetime, RM_Config::JS_DATEFORMAT, RM_Config::PHP_DATEFORMAT);
         $jsonPeriod->end = $config->convertDates($period->end_datetime, RM_Config::JS_DATEFORMAT, RM_Config::PHP_DATEFORMAT);
         // store the start date picker blocked periods
         $jsonDisabledPeriods->start[] = clone $jsonPeriod;
         $jsonPeriod->start = $RMdate->dateAdd($config->convertDates($period->start_datetime, RM_Config::JS_DATEFORMAT, RM_Config::PHP_DATEFORMAT), 1);
         $jsonPeriod->end = $RMdate->dateAdd($config->convertDates($period->end_datetime, RM_Config::JS_DATEFORMAT, RM_Config::PHP_DATEFORMAT), 1);
         $jsonDisabledPeriods->end[] = clone $jsonPeriod;
     }
     $json = Zend_Json::encode($jsonDisabledPeriods);
     $this->view->calendardata = $json;
     $this->view->unit_id = $unitID;
     echo $this->view->render('DailyPrices/datepicker.phtml');
     die;
 }