How to use this material
To move between pages, you can simply click on the and buttons in the top right and bottom right of each page. To go back to the contents page, click on the button at the top and bottom right hand side of each page. You can also move between pages by clicking on the page title in the contents bar on the left hand side of each page.
Where you see this symbol it means that there is a video clip available. Click anywhere on the big image to see the video. Note that the video clips in this tutorial require Windows Media Player 9 or later.