diff -r 66b552a2e108 -r ffb067aae3a9 vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java
--- a/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java	Tue Nov 27 23:21:22 2012 +0100
+++ b/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java	Wed Nov 28 00:25:57 2012 +0100
@@ -74,7 +74,8 @@
         }
         StringArray toInitilize = new StringArray();
         final String className = className(jc);
-        out.append("\n\nfunction ").append(className).append("() {");
+        out.append("\n\n").append(className);
+        out.append(" = function() {");
         out.append("\n  if (!").append(className).
             append(".prototype.$instOf_").append(className).append(") {");
         for (FieldData v : jc.getFields()) {