public function addscribblesAction()
 {
     if ($this->auth->hasIdentity()) {
         $addscribbles = new Application_Model_Post($this->registry['DB']);
         $userid = $this->getRequest()->getParam('userid');
         $text = $this->getRequest()->getParam('text');
         $pt = $this->getRequest()->getParam('pt');
         $cpt = $this->getRequest()->getParam('cpt');
         $results = $addscribbles->addScribbles($userid, $text, $pt, $cpt);
         echo json_encode($results);
     } else {
         echo json_encode(array('status' => 'error'));
     }
 }