Drop-down WooCommerce cart

How can I display products in cart?
In this example when I added a product cart and put the arrow over “mycart” products are displayed in the cart at the time.
http://venusdemo.com/wpopal/mix/fashion/
In my example if you add a product and put the arrow over “mycart” nothing appear
http://test.dac-proiect.ro/wp/
What can I do to fix this problem?
You need to install anything?