Turning async loading off to get the beachdemo to work again in IE. This is ...

samples/beachdemo/beachdemo.js

 /*
  * Copyright 2009, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 1413 matching lines @@
     }
   }
 
   g_proxyPack = g_client.createPack();
   g_proxyRoot = g_proxyPack.createObject('Transform');
   g_proxyRoot.parent = g_baseRoot;
 
   try {
     var url = o3djs.util.getAbsoluteURI('assets/beach-low-poly.o3dtgz');
     g_loadInfo = o3djs.scene.loadScene(g_client, g_proxyPack, g_proxyRoot,
-                                       url, callback, {opt_async: true});
+                                       url, callback, {opt_async: false});
   } catch (e) {
     showError(e);
   }
 }
 
 /**
  * Loads the main scene.
  */
 function loadMainScene() {
   function callback(pack, parent, exception) {
@@ skipping 118 matching lines @@
         });
     g_particleLoader.loadTexture(
         g_mainPack,
         o3djs.util.getAbsoluteURI('assets/pe_mist.png'),
         function(texture, success) {
           g_mistTexture = texture;
         });
 
     var url = o3djs.util.getAbsoluteURI('assets/beachdemo.o3dtgz');
     g_particleLoader.loadScene(
-        g_client, g_scenePack, g_sceneRoot, url, callback, {opt_async: true});
+        g_client, g_scenePack, g_sceneRoot, url, callback, {opt_async: false});
     g_particleLoader.finish()
     g_loader.finish();
   } catch (e) {
     showError(e);
   }
 }
 
 /**
  * Records the client's size if it's changed.
  */
@@ skipping 1142 matching lines @@
 
 /**
  * Removes any callbacks so they don't get called after the page has unloaded.
  */
 function uninit() {
   if (g_client) {
     g_client.cleanup();
   }
 }