--- a/nodejs/mbfly_njs.cc	Sun Jun 06 15:27:28 2010 +0800
+++ b/nodejs/mbfly_njs.cc	Sun Jun 06 19:13:21 2010 +0800
@@ -1,8 +1,62 @@
 #include <stdio.h>
 #include <v8.h>
 
+extern "C" {
+#include "X_supp_njs.h"
+}
+
 using namespace v8;
 
+/*! \defgroup njs_template_cb Callback functions for v8 engine and nodejs.
+ *
+ * @{
+ */
+
+/*! \brief to Create a njs runtime object for MadButterfly.
+ *
+ * Three arguments are requried.  They are
+ *   - display name,
+ *   - width, and
+ *   - height.
+ */
+static Handle<Value>
+xnjsmb_new(const Arguments &args) {
+    int argc;
+    Handle<Value> exc;
+    njs_runtime_t *rt;
+    char *display_name;
+    int width, height;
+    Handle<Object> self;
+
+    argc = args.Length();
+    if(argc != 3) {
+	exc = Exception::Error(String::New("Need 3 arguments."));
+	return ThrowException(exc);
+    }
+
+    if(!args[0]->IsString() || !args[1]->IsInt32() || !args[2]->IsInt32()) {
+	exc = Exception::Error(String::New("Invalid argument type."));
+	return ThrowException(exc);
+    }
+    
+    String::Utf8Value disp_utf8(args[0]->ToString());
+    display_name = *disp_utf8;
+    width = args[1]->Int32Value();
+    height = args[2]->Int32Value();
+    rt = X_njs_MB_new(display_name, width, height);
+
+    self = args.This();
+    self->Set(String::New("_njs_rt"), External::Wrap(rt));
+    
+    X_njs_MB_init_handle_connection(rt);
+}
+
+static Handle<Value>
+xnjsmb_handle_connection(const Arguments &args) {
+}
+
+/* @} */
+
 Handle<Value>
 hello_func(const Arguments &args) {
     HandleScope scope;
@@ -17,4 +71,7 @@
 
     func = FunctionTemplate::New(hello_func);
     target->Set(String::New("Hello"), func->GetFunction());
+
+    func = FunctionTemplate::New(xnjsmb_new);
+    target->Set(String::New("mb_rt"), func->GetFunction());
 }