public function postDocumentFrom()
 {
     $q = strtolower(Input::get('term'));
     if (!$q) {
         return;
     }
     $data['response'] = 'false';
     $query = Addressbook::where('displayname', 'LIKE', "%{$q}%")->select('displayname')->distinct()->get();
     $query1 = Documents::where('documents_from', 'LIKE', "%{$q}%")->select('documents_from')->distinct()->get();
     if ($query) {
         $data['message'] = array();
         $data['response'] = 'true';
         foreach ($query as $row) {
             $data['message'][] = array('label' => $row->displayname, 'value' => $row->displayname);
         }
     }
     if ($query1) {
         $data['message'] = array();
         $data['response'] = 'true';
         foreach ($query1 as $row1) {
             $data['message'][] = array('label' => $row1->documents_from, 'value' => $row1->documents_from);
         }
     }
     echo json_encode($data);
 }