Thanks to gman, fixed o3d.webgl.createClient and o3d-webgl Client to handle...

samples/o3djs/webgl.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 125 matching lines @@
  */
 o3djs.webgl.createClient = function(element, opt_features, opt_debug) {
   opt_features = opt_features || '';
   opt_debug = opt_debug || false;
 
   // If we're creating a webgl client, the assumption is we're using webgl,
   // in which case the only acceptable shader language is glsl.  So, here
   // we set the shader language to glsl.
   o3djs.effect.setLanguage('glsl');
 
+  // Make the canvas automatically resize to fill the containing
+  // element (div), and initialize its size correctly.
   var canvas;
   canvas = document.createElement('canvas');
-  canvas.setAttribute('width', element.getAttribute('width'));
-  canvas.setAttribute('height', element.getAttribute('height'));
+  canvas.style.width = "100%";
+  canvas.style.height = "100%";
+  var resizeHandler = function() {
+    var width = Math.max(1, canvas.clientWidth);
+    var height = Math.max(1, canvas.clientHeight);
+    canvas.width = width;
+    canvas.height = height;
+  };
+  window.addEventListener('resize', resizeHandler, false);
+  setTimeout(resizeHandler, 0);
 
   var client = new o3d.Client;
   client.initWithCanvas(canvas);
   canvas.client = client;
   canvas.o3d = o3d;
 
   if (opt_debug) {
     client.gl = o3djs.webgl.addDebuggingWrapper(client.gl);
   }
 
   element.appendChild(canvas);
   return canvas;
 };