text: function setCookie(cname, cvalue, exdays) {
      const d = new Date();
      d.setTime(d.getTime() + (exdays * 24 * 60 * 60 * 1000));
      let expires = "expires=" + d.toUTCString();
      document.cookie = cname + "=" + cvalue + ";" + expires + ";path=/";
  }
  
  function getCookie(cname) {
      let name = cname + "=";
      let ca = document.cookie.split(';');
      for (let i = 0; i < ca.length; i++) {
          let c = ca[i];
          while (c.charAt(0) == ' ') {
              c = c.substring(1);
          }
          if (c.indexOf(name) == 0) {
              return c.substring(name.length, c.length);
          }
      }
      return "";
  }