Added lengthFieldClass indirection
diff --git a/dev/js/src/vc/menu.js b/dev/js/src/vc/menu.js
index 17ad073..fddb3f0 100644
--- a/dev/js/src/vc/menu.js
+++ b/dev/js/src/vc/menu.js
@@ -6,7 +6,7 @@
     create : function (params) {
       var obj = Object.create(menuClass)
 	.upgradeTo(this)
-	._init(itemClass, undefined, params);
+	._init(itemClass, undefined, undefined, params);
       obj.limit(6);
 
       // This is only domspecific