TS-10 Minutes

<div id="ts-frame"><iframe src="http://www.weblab-server.org/studien/tailormars/" width="1024" height="768"></iframe></div>
<div id="ts-message" style="display:none">
  <strong>
    <center>Die Zeit f&uuml;r die &Uuml;bungsrunde ist abgelaufen!</center>
  </strong>
  </div>
<script type="text/javascript">

(function () {
  var start = new Date();

  var hide = function (id) {
    var element = document.getElementById(id);
    element.style.display = 'none';
  };

  var show = function (id) {
    var element = document.getElementById(id);
    element.style.display = 'block';
  };

  var closeAfter10Minutes = function () {
    setTimeout(function () {
        if((new Date() - start) >= (10 * 60 * 1000)) {
          hide('ts-frame');
          show('ts-message');
          return;
        }
        closeAfter10Minutes();
    }, 1000);
  };
  closeAfter10Minutes();
})();
</script>