location /legacywarn.js {
return 200 "
function legacywarnon() {
  document.getElementById('legacywarnoverlay').style.display = 'block';
}

function legacywarnoff() {
  document.getElementById('legacywarnoverlay').style.display = 'none';
  document.cookie = 'legacywarn=true; max-age=604800; path=/';
}
document.addEventListener('DOMContentLoaded', function(){
  document.getElementById('legacywarnoverlay').onclick = legacywarnoff;
  if (document.cookie.indexOf('legacywarn=') > -1) {
    document.getElementById('legacywarnoverlay').style.display = 'none';
  } else {
    legacywarnon();
  }
});";
}