<button id="start" onclick="start()">Start</button>
<button id="stop" style="display: none" onclick="stop()">Stop</button>
<input type="hidden" id="sessionid" value="0">
<form class="form-inline" id="echo-form">
    <div class="form-group">
      <p>input text</p>

      <textarea cols="2" rows="3" style="width:600px;height:50px;" class="form-control" id="message">test</textarea>
    </div>
    <button type="submit" class="btn btn-default">Send</button>
  </form>

<div id="media">
    <h2>Media</h2>

    <a