function cookiesEnabled() {
  // Test whether cookies are enabled by attempting to set a cookie and then change its value
  // set test cookie
  var c = "areYourCookiesEnabled=0";
  document.cookie = c;
  var dc = document.cookie;
  // cookie not set?  fail
  if (dc.indexOf(c) == -1) return 0;
  // change test cookie
  c = "areYourCookiesEnabled=1";
  document.cookie = c;
  dc = document.cookie;
  // cookie not changed?  fail
  if (dc.indexOf(c) == -1) return 0;
  // delete cookie
  document.cookie = "areYourCookiesEnabled=; expires=Thu, 01-Jan-70 00:00:01 GMT";
  return 1;
}
function showCookieMessage(msg_id) {
  // Show the element with the given id if cookies are not enabled
  msg = document.getElementById(msg_id)
  if (msg) {
     if (cookiesEnabled()) {
        msg.style.display = 'none';
     } else {
        msg.style.display = 'block';
     }
  }
}