Login to the Study Centre course below. Use your email adress as your username. The password is A4S6d7. Select the audio-visual download that you wish to view (view session 1 first and session 3 last). The slides contain the screen shots shown in the audio-visual files and can be used as a reading reference. The background reading should be studied after the end of each session. You will need the Flash player plug-in on your web browser in order to view the audio-visual files.