Add to Cart button does not work. :(

-- url of the page with the problem -- : www.aconplus.co.th/index.php
-- HikaShop version -- : 2.4.0
-- Joomla version -- : 3.4.0
-- PHP version -- : 5.3.28

Add to Cart button does not work. , I learned to use the application. non-programmers
- The system can not work at the same page.
- The URL address to a # sign at the end.
- Module Cart No products in the cart.
I recommend checking And steps to solve this problem, I use Hikashop Business with it.
Thanks
By this

Hello,
Can you test it with the "Use AJAX when possible for add to cart buttons" option set to YES through "Hikashop->System->Configuration->Main".