This site uses a pop-up cart window that can be blocked by some ad blockers. If you can’t see the cart or you can’t get to your account, please disable the ad-blocker for this site. You can also get to the shopping cart by selecting the “Cart” link under the “My Account” menu item.
There is also an issue with the Firefox browser in certain configurations. If you’re using firefox, and have issues, please use Chrome, Safari or Internet Explorer.
(UPDATE, that this issue should be addressed if you’re using a recent version of Firefox. If you’re still having this problem please let me know)