me', 'password', null, null,
      ]);
  d3.select('#username').on('focus', popupMode != 'username' ? null : showPopup);
  d3.select('#password').on('focus', popupMode != 'password' ? null : showPopup);
}

window.onload = function() {
  core.startEpisode();
}
</script>
</head>
<!-- Base HTML -->
<body>
<div id="wrap">
  <div id="query"></div>
  <div id="area">
    <div id='dialog'></div>
    <div id="form">
      <p><label class="bold">Username</label><input type="text" id="username"></p>
      <p><label cl