VTI / SockJS-0.10 / t-vendor / html / iframe.html 
<!DOCTYPE html>
<html>
<head>
  <meta http-equiv="X-UA-Compatible" content="IE=edge" />
  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
  <script>
    document.domain = document.domain;
  </script>
  <script src="/lib/sockjs.js"></script>
</head>
<body>
  <h2>Don't panic!</h2>
  <script>
    c = parent._sockjs_global;
    window_id = document.location.hash.slice(1);
    hook = c(window_id);
    hook.callback = function(code) {eval(code);};
    hook.open();
  </script>
</body>