(function() {
  var addEventListener = function(element, eventName, handler) {
    if (element.addEventListener) {
      element.addEventListener(eventName, handler, false);
    } else {
      element.attachEvent('on' + eventName, function(e) {
        handler.call(element, e);
      });
    }
  };

  addEventListener(window, 'message', function(e) {
    try {
        var msg = JSON.parse(e.data);
    } catch (e) {
        return false;
    }
    switch (msg.type) {
    case 'embedded-page-loaded':
      window.scrollTo(0, 0);
      break;
    case 'embedded-page-resized':
      document.getElementById('embedded-form').height =
        msg.payload.height + 60 + "px";
      break;
    }
  });

  document.write('<iframe id="embedded-form" src="https://www.alphavisa.com/admin_formulaire/forms/inscription.php?PHPSESSID=s807k06crf61ut2mgtpioku6ch" width="100%" frameborder="0" allowtransparency="true" style="background-color: transparent; max-width: 100%; overflow:hidden" onload="window.scrollTo(0, 0);"></iframe>');
})();