How can add next buttom on product image for watching next product image

[info.giftingdelhi]

In my site when we click on product then product image are show but not show the next buttom on image for see next product images how can solve that problem plz help me....

[julianajones]

This is HTML code to add next button
  <?php if ( is_singular() ) : ?>
            <script type="text/javascript">
                jQuery(document).ready(function() {
                    jQuery('#show').after('<div id="show_nav">').cycle({
                        fx:     'fade',
                        speed:  500,
                        next: '#show',
                        timeout: 0,
                        pager:  '#show_nav'
                    });
                });
            </script>
        <?php endif; ?>

[Studio47WebDesign]

Where would I add this code? I am using VM 2.6.6 and I need navigation buttons on the product images using lightbox and/or the standard product images. http://sprtub.com/yucatanbestliving/index.php/merida-yucatan-vacation-rentals/casa-azul-detail