we added secure url to entire site by follwoing this link :
than we added secure url https to cart page by following link :
i added following code in config.xml [ http://pastebin.com/HaLDM4Qn ]
after this add to cart button is not working .
please check the site :
i followed this link :
but i did't got what code need to be edited for our theme.
this is our view.phtml :