public function initialize()
 {
     if ($this->_initialized) {
         throw new View_Already_Initialized_Exception(__CLASS__, $this->vid);
     } else {
         $this->_initialize();
         $this->_initialized = true;
         if ($this->ifmodactive !== NULL && $this->active) {
             $this->active = Kiwi_Module::getModuleActiveStatus($this->ifmodactive);
         }
     }
 }