// Set Facebook meta data
		if($params->get('facebookMetatags', '1'))
		{
			$document = JFactory::getDocument();
			$uri = JURI::getInstance();
			$document->setMetaData('og:url', $uri->toString());
			$document->setMetaData('og:title', (K2_JVERSION == '15') ? htmlspecialchars($document->getTitle(), ENT_QUOTES, 'UTF-8') : $document->getTitle());
			$document->setMetaData('og:type', 'article');
			$facebookImage = 'image'.$params->get('facebookImage', 'Small');
			if ($item->$facebookImage)
			{
				$basename = basename($item->$facebookImage);
				if (JFile::exists(JPATH_SITE.'/media/k2/items/cache/'.$basename))
				{
					$image = JURI::root().'media/k2/items/cache/'.$basename;
					$document->setMetaData('og:image', $image);
					$document->setMetaData('image', $image);
				}
			}
			$document->setMetaData('og:description', strip_tags($document->getDescription()));
		}

('facebookImage', 'Small')