diff -r 13dc5ada296b -r e51a474fcf79 javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/Knockout.java
--- a/javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/Knockout.java	Mon Mar 25 16:17:21 2013 +0100
+++ b/javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/Knockout.java	Sun Mar 31 12:01:38 2013 +0200
@@ -30,45 +30,40 @@
 public class Knockout {
     /** used by tests */
     static Knockout next;
+    private final Object model;
 
-    Knockout() {
+    Knockout(Object model) {
+        this.model = model == null ? this : model;
     }
     
     public static <M> Knockout applyBindings(
+        Object model, String[] propsGettersAndSetters,
+        String[] methodsAndSignatures
+    ) {
+        applyImpl(propsGettersAndSetters, model.getClass(), model, model, methodsAndSignatures);
+        return new Knockout(model);
+    }
+    public static <M> Knockout applyBindings(
         Class<M> modelClass, M model, String[] propsGettersAndSetters,
         String[] methodsAndSignatures
     ) {
         Knockout bindings = next;
         next = null;
         if (bindings == null) {
-            bindings = new Knockout();
+            bindings = new Knockout(null);
         }
-        for (int i = 0; i < propsGettersAndSetters.length; i += 4) {
-            try {
-                Method getter = modelClass.getMethod(propsGettersAndSetters[i + 3]);
-                bind(bindings, model, propsGettersAndSetters[i],
-                    propsGettersAndSetters[i + 1],
-                    propsGettersAndSetters[i + 2],
-                    getter.getReturnType().isPrimitive(),
-                    List.class.isAssignableFrom(getter.getReturnType())
-                );
-            } catch (NoSuchMethodException ex) {
-                throw new IllegalStateException(ex.getMessage());
-            }
-        }
-        for (int i = 0; i < methodsAndSignatures.length; i += 2) {
-            expose(
-                bindings, model, methodsAndSignatures[i], methodsAndSignatures[i + 1]
-            );
-        }
+        applyImpl(propsGettersAndSetters, modelClass, bindings, model, methodsAndSignatures);
         applyBindings(bindings);
         return bindings;
     }
 
-    @JavaScriptBody(args = { "prop" }, body =
-        "this[prop].valueHasMutated();"
+    public void valueHasMutated(String prop) {
+        valueHasMutated(model, prop);
+    }
+    @JavaScriptBody(args = { "self", "prop" }, body =
+        "self[prop].valueHasMutated();"
     )
-    public void valueHasMutated(String prop) {
+    public void valueHasMutated(Object self, String prop) {
     }
     
 
@@ -107,4 +102,29 @@
     
     @JavaScriptBody(args = { "bindings" }, body = "ko.applyBindings(bindings);")
     private static void applyBindings(Object bindings) {}
+    
+    private static void applyImpl(
+        String[] propsGettersAndSetters,
+        Class<?> modelClass,
+        Object bindings,
+        Object model,
+        String[] methodsAndSignatures
+    ) throws IllegalStateException, SecurityException {
+        for (int i = 0; i < propsGettersAndSetters.length; i += 4) {
+            try {
+                Method getter = modelClass.getMethod(propsGettersAndSetters[i + 3]);
+                bind(bindings, model, propsGettersAndSetters[i],
+                    propsGettersAndSetters[i + 1],
+                    propsGettersAndSetters[i + 2],
+                    getter.getReturnType().isPrimitive(),
+                    List.class.isAssignableFrom(getter.getReturnType()));
+            } catch (NoSuchMethodException ex) {
+                throw new IllegalStateException(ex.getMessage());
+            }
+        }
+        for (int i = 0; i < methodsAndSignatures.length; i += 2) {
+            expose(
+                bindings, model, methodsAndSignatures[i], methodsAndSignatures[i + 1]);
+        }
+    }
 }