Initial SIMD demos life and earth for PNaCl.

native_client_sdk/src/examples/demo/earth/example.js

Index: native_client_sdk/src/examples/demo/earth/example.js
diff --git a/native_client_sdk/src/examples/demo/earth/example.js b/native_client_sdk/src/examples/demo/earth/example.js
index 34f6c1142cc844f3a01c393e663de7f449fa1f14..6f27c6e5e880f375d04821ebc690944b449c0871 100644
--- a/native_client_sdk/src/examples/demo/earth/example.js
+++ b/native_client_sdk/src/examples/demo/earth/example.js
@@ -25,13 +25,13 @@ function attachListeners() {
     document.getElementById('radio'+i).addEventListener('click',
         postThreadFunc(threads[i]));
   }
-  document.getElementById('zoomRange').addEventListener('change',
+  document.getElementById('zoomRange').addEventListener('input',
     function() {
       var value = parseFloat(document.getElementById('zoomRange').value);
       common.naclModule.postMessage({'message' : 'set_zoom',
                                      'value' : value});
     });
-  document.getElementById('lightRange').addEventListener('change',
+  document.getElementById('lightRange').addEventListener('input',
     function() {
       var value = parseFloat(document.getElementById('lightRange').value);
       common.naclModule.postMessage({'message' : 'set_light',