Please check the following posts
http://web.wenxuecity.com/BBSView.php?SubID=immigration&MsgID=245482
http://web.wenxuecity.com/BBSView.php?SubID=immigration&MsgID=243263
http://web.wenxuecity.com/BBSView.php?SubID=immigration&MsgID=245482
http://web.wenxuecity.com/BBSView.php?SubID=immigration&MsgID=243263