share Pinterest the large image(with zen lightbox plus)

[targetmarts]

Hi,i try to use the code share image and link to pinterest:
<a rel="nofollow" target="Share Pinterest" href="https://www.pinterest.com/pin/create/null/?url=<?php echo urlencode(zen_href_link(zen_get_info_page((int)$_GET['products_id']),'cPath='.$_GET['cPath'].'&products_id=' . (int)$_GET['products_id'])); ?>" <span>Pinterest</span> </a>
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when i used this code in tpl_product_info_display.php,it can work,but it can't share the large image from products info page,so please help me,and if the code have any problem please help me to fix,
i don't want use and load any js as addthis plus in website,it will slowly speed my site.
Thanks
http://shop.targetmarts.com/miumiu-n...heel-p-57.html

[targetmarts]

oh,there have some bad show with my question,
i only want less js onload for customers,and have fast site for them,so i need the fuction without more js/css/or other code if we can.
i checked the site www.targetmarts.com ,the addthis plus load too many times where the js in another website or my host.so i hope someone help me to know how to fix the speed problem for my site code as images/css/js/ etc.
Thanks