req = new XMLHttpRequest();
req.onreadystatechange = function() {
  print("onreadystatechange, state ==", req.readyState);
  if (req.readyState == 4) {
    console.log(req.responseText);
  }
};
req.open("GET", "http://code.qt.io/service/http://labs.qt.nokia.com/", false);
req.send(null);