share fb in new tab

 <?php
                                $share_href = "https://www.facebook.com/dialog/feed?app_id=".$fbappid."&link={$HOME}{$product['product_url']}&picture={$HOME}{$product['product_image']}&name={$product['name']}&caption={$product['name']}&description=".getplaintextintrofromhtml($product["description"])."&redirect_uri=".$HOME.$product['product_url'];
                                ?>
 <a rel="nofollow" href="<?php echo $share_href?>" target="_blank"><img title="Submit Thread to Facebook" src="/static/image/website/facebook.gif" alt="Submit Thread to Facebook"></a>