/**
  * getModelLocations
  * @return Model_Locations
  * @author Cornelius Hansjakob <*****@*****.**>
  * @version 1.0
  */
 protected function getModelLocations()
 {
     if (null === $this->objModelLocations) {
         /**
          * autoload only handles "library" compoennts.
          * Since this is an application model, we need to require it 
          * from its modules path location.
          */
         require_once GLOBAL_ROOT_PATH . $this->core->sysConfig->path->zoolu_modules . 'core/models/Locations.php';
         $this->objModelLocations = new Model_Locations();
         $this->objModelLocations->setLanguageId($this->core->intZooluLanguageId);
     }
     return $this->objModelLocations;
 }