Various cross-browser fixes.

Now working under Arora 0.5.

But not Konqueror 4.2.2 (WebSockets never connects).

IE support with excanvas still pending.

tests/input.html

@@ -18,14 +18,11 @@
     <script type='text/javascript' 
         src='http://getfirebug.com/releases/lite/1.2/firebug-lite-compressed.js'></script>
     -->
-
-    <script src="include/mootools.js"></script>
     <script src="include/util.js"></script>
     <script src="include/canvas.js"></script>
-
     <script>
         var msg_cnt = 0;
-        var width = 1280, height = 600;
+        var width = 400, height = 200;
         var iterations;
 
         function message(str) {
@@ -54,8 +51,9 @@
         }
 
         window.onload = function() {
-            Canvas.init('canvas', width, height, true, keyPress,
-                        mouseButton, mouseMove);
+            Canvas.init('canvas');
+            Canvas.resize(width, height);
+            Canvas.start(keyPress, mouseButton, mouseMove);
             message("Canvas initialized");
         }
     </script>