Mac OS X
After logging into your Mac laptop, click on the AirPort icon at the top right corner of your screen and select "Turn AirPort On"
Select the "NTHS-STUDENT" network and click on the "Join" button
After a few seconds your device will be connected to the network and the AirPort menu will reflect this
When you open the web browser you will be prompted to authenticate. Enter your user ID and password and click "Login"
You should see the "Authentication Succeeded" page. You can now start surfing the web