text: COOKIE_BASE_USER_ID = 'base_user_id'
  COOKIE_ENV = 'env'
  
  function setCookie(cname, cvalue) {
      var d = new Date();
      var exdays = 7
      d.setTime(d.getTime() + (exdays*24*60*60*1000));
      var expires = "expires="+ d.toUTCString();
      document.cookie = cname + "=" + cvalue + ";" + expires + ";path=/";
  }
  
  function setPersistentCookie(cname, cvalue) {
      var d = new Date();
      d.setFullYear(d.getFullYear() + 1);
      var expires = "expires="+ d.toUTCString();
      document.cookie = cname + "=" + cvalue + ";" + expires + ";path=/";
  }
  
  function getCookie(cname) {
      var name = cname + "=";
      var decodedCookie = decodeURIComponent(document.cookie);
      var ca = decodedCookie.split(';');
      for(var i = 0; i <ca.length; i++) {
          var c = ca[i];
          while (c.charAt(0) == ' ') {
              c = c.substring(1);
          }
          if (c.indexOf(name) == 0) {
              return c.substring(name.length, c.length);
          }
      }
      return "";
  }
  