/**
  * event: controller_action_layout_render_before
  * in: Mage_Core_Controller_Varien_Action::renderLayout()
  *
  * @param $event Varien_Event_Observer
  * @return void
  */
 public function addRobotsTagToCustomerAccount(Varien_Event_Observer $event)
 {
     $fullActions = array('customer_account_login' => '', 'customer_account_create' => '');
     $items = new Varien_Object();
     $items->setLayoutHandle('customer_account')->setFullActions(new Varien_Object($fullActions));
     Mage::dispatchEvent('loewenstark_seo_robots_tag_to_customer_account', array('object' => $items, 'model' => $this));
     if (in_array($items->getLayoutHandle(), $this->_getLayout()->getUpdate()->getHandles()) || in_array($this->_getFullActionName(), array_keys($items->getFullActions()->getData()))) {
         $this->_setRobotsHeader($this->_helper()->getCustomerRobots());
     }
 }