Add json2 for IE or whatever

main.html

@@ -28,6 +28,7 @@
   <a id="quit"><img src="closeup.png"></a>
 </div>
 
+<script src="json2.js"></script>
 <script src="jquery.js"></script>
 <script src="config.js"></script>
 <script src="main.js"></script>