public function actionAlaraja_ajax()
 {
     $alaraja = AlapainoTurvallinen::model()->find("pituus='" . $_POST['pituus'] . "'");
     if (isset($alaraja->id)) {
         echo $alaraja->alaraja;
     }
 }
 /**
  * Returns the data model based on the primary key given in the GET variable.
  * If the data model is not found, an HTTP exception will be raised.
  * @param integer $id the ID of the model to be loaded
  * @return AlapainoTurvallinen the loaded model
  * @throws CHttpException
  */
 public function loadModel($id)
 {
     $model = AlapainoTurvallinen::model()->findByPk($id);
     if ($model === null) {
         throw new CHttpException(404, 'The requested page does not exist.');
     }
     return $model;
 }