1. Add _getInterface private function in doSystem which can help to get all available NIC names
2. Add getInterfaces which is public function which can be called from request
3. Change some way to display view portion, try to set default template as div.popContent. May save lines of code
4. Fix event binding issue on jQuery dialog function
5. Change the coding style, use default buttons on jQuery dialog instead of user-defined buttons
6. Completed routing table display and setting function