<script type="text/javascript">
        (function() {
    
          // Replace the following variable
          var cartID= "cart"

          // Loop throught the items in the cart
          // and push their properties into the purchases object
          ShoeSizeShoppingCart.purchases.push({
            "shoeID": "SHOE_ID",
            "size": "SIZE",
            "scale": "SCALE", // downscale
            "quantity": "QUANTITY",
            "price": "PRICE"
          });
    
          // Do not modify
          var script = document.createElement('script');
          script.type = 'text/javascript';
          script.src =  'https://shoesize.me/plugin/cart.js?shopid=' + encodeURIComponent(ShoeSizeShoppingCart.shopID) +'&sid=' + Math.round(new Date().getTime() / 1000);
          (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(script);
          var cart_target = document.getElementById(cartID);
          var cart_params = {childList: true,subtree: true,characterData: true}
          var cart_observer = new MutationObserver(function(mutations) {
            cart_observer.disconnect();
            if(typeof ssm_setCart == "function"){
              ssm_trackCart();
              cart_observer.observe(cart_target,cart_params);
            }
          });
          cart_observer.observe(cart_target,cart_params);
        })();
      </script>