--- a/nodejs/mbfly_njs.cc	Sun Jun 06 21:51:58 2010 +0800
+++ b/nodejs/mbfly_njs.cc	Mon Jun 07 11:42:45 2010 +0800
@@ -5,6 +5,8 @@
 #include "X_supp_njs.h"
 }
 
+#include "mbfly_njs.h"
+
 using namespace v8;
 
 /*! \defgroup njs_template_cb Callback functions for v8 engine and nodejs.
@@ -47,7 +49,7 @@
     rt = X_njs_MB_new(display_name, width, height);
 
     self = args.This();
-    self->Set(String::New("_njs_rt"), External::Wrap(rt));
+    WRAP(self, rt);
     
     X_njs_MB_init_handle_connection(rt);
 
@@ -60,6 +62,18 @@
 
 /* @} */
 
+redraw_man_t *
+xnjsmb_rt_rdman(Handle<Object> mbrt) {
+    HandleScope scope;
+    njs_runtime_t *rt;
+    redraw_man_t *rdman;
+
+    rt = (njs_runtime_t *)UNWRAP(mbrt);
+    rdman = X_njs_MB_rdman(rt);
+    
+    return rdman;
+}
+
 Handle<Value>
 hello_func(const Arguments &args) {
     HandleScope scope;
@@ -77,4 +91,5 @@
 
     func = FunctionTemplate::New(xnjsmb_new);
     target->Set(String::New("mb_rt"), func->GetFunction());
+    func->PrototypeTemplate()->SetInternalFieldCount(1);
 }

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nodejs/mbfly_njs.h	Mon Jun 07 11:42:45 2010 +0800
@@ -0,0 +1,22 @@
+#ifndef __MBFLY_NJS_H_
+#define __MBFLY_NJS_H_
+
+#include <v8.h>
+extern "C" {
+#include <mb.h>
+}
+
+#define THROW(x)						\
+    do {							\
+	v8::Handle<v8::Value> exc;				\
+	exc = v8::Exception::Error(v8::String::New(x));		\
+	return v8::ThrowException(exc);				\
+    } while(0)
+#define UNWRAP(o) v8::External::Unwrap((o)->GetInternalField(0))
+#define WRAP(o, v) (o)->SetInternalField(0, v8::External::Wrap(v))
+#define SET(o, n, v) (o)->Set(v8::String::New(n), v)
+#define GET(o, n) (o)->Get(v8::String::New(n))
+
+redraw_man_t *xnjsmb_rt_rdman(v8::Handle<v8::Object> mbrt);
+
+#endif /* __MBFLY_NJS_H_ */