<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <script type="text/javascript">
    // generate an enormous random number...
    var r = Math.floor(Math.random() * Math.pow(2, 62)).toString();

    // ... and use it to set a randomly named cookie
    document.cookie = r + "=value; path=/ohai";
  </script>
<body>
</body>
</html>
