// Zmiana linku po anulowaniu zamówienia;
setTimeout(function() {
    const returnPage = document.querySelector(".return_page");
    const returnButton = document.querySelector("#retbut_ordercancel_ok");
    
    if(returnPage && returnButton){
      returnButton.href = returnButton.href.replace("&order_number", "&order_number");
    }
  }, 50);