public function addMultipleItemsAction()
{
$translator = \Zend_Registry::get('container')->getService('translator');
$slideshow = $this->getSlideshow();
$items = array();
foreach ($this->_getParam('images') as $key => $value) {
$item = $this->addItemToPackage($value, $slideshow);
$items[] = $this->view->slideshowItem($item);
}
$this->_helper->json($items);
}