OpenCart Community

my add-to-cart button on main category pages don't work nor does any other. fruitologist.heartland.co.il

javascript function is not defined.
Also the following resource is missing:

Thanks for the reply. Where do I place those codes?

Those codes are already there.
But the function definition for cart.add is missing.
Also the following file is missing
catalog/view/javascript/menu3rdlevel/common.js

fixed the file issue. Where do I find that card.add() function and what do I insert?

Knight.Vision wrote:fixed the file issue. Where do I find that card.add() function and what do I insert?

Usually in the common.js file .

So now the cart updates but the button that provides a summary of cart items at the top of the page doesn't update, but when you click on it, it shows the cart correctly.