echo JHtml::link (JRoute::_ ('index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=' . $related->virtuemart_product_id . '&virtuemart_category_id=' . $related->virtuemart_category_id), $thumb . $related->product_name, array('title' => $related->product_name,'target'=>'_blank'));
file: com_virtuemart/sublayouts/related.php