magento product share on pintrest

 Set following code on product view page:-

<script type="text/javascript">
(function(d){
    var f = d.getElementsByTagName('SCRIPT')[0], p = d.createElement('SCRIPT');
    p.type = 'text/javascript';
    p.async = true;
    p.src = 'http://assets.pinterest.com/js/pinit.js';
    f.parentNode.insertBefore(p, f);
}(document));
</script>

 <a href="http://www.pinterest.com/pin/create/button?url=<?php echo $this->helper('catalog/product')->getProductUrl($_product); ?>&media=<?php echo $this->helper('catalog/image')->init($_product, 'small_image')->resize(600,400) ?>&description=<?php echo $_helper->productAttribute($_product, nl2br($_product->getShortDescription()), 'short_description') ?>" data-pin-do="buttonPin" data-pin-config="above">
        <img src="http://assets.pinterest.com/images/pidgets/pin_it_button.png" />
    </a>