<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
          "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
  <!--
  Copyright (c) 2011 The Native Client Authors. All rights reserved.
  Use of this source code is governed by a BSD-style license that can be
  found in the LICENSE file.
  -->
  <head>
    <title>Interactive Cube Example</title>
    <script type="text/javascript">
      // Provide the tumbler namespace
      tumbler = {};
    </script>
    <script type="text/java