https://www.lightstone.co.jp/js/mycart.js

1var img01 = document.getElementById("cart_icon");
2var img02 = document.getElementById("cart_icon02");
3
4function cart_check()
5{
6  $.getJSON("https://www.lightstone.co.jp/cart/MyCart", null,
7 function(data, status) {
8        if (data.cart >0)  {
9            img01.src = "/images/cart_full_icon.png",
10            img02.src = "/images/cart_full_white_icon.png";
11        } else {
12            img01.src = "/images/cart_blank_icon.png",
13            img02.src = "/images/cart_blank_white_icon.png";
14        }
15 } );
16}
17
18
19$(document).ready(function(){
20    
21	cart_check();
22});