All video and sound files are also offered as text for users who do not have full multimedia capacity on their PCs.

Some of our learning modules may contain pop-up answer boxes, so we suggest you check that pop-ups are enabled on your internet browser. Google, Yahoo and MSN toolbars also allow you to accept or decline pop-ups. For more information please see the individual help files associated with these products.

The site is designed for a screen size of 1024 x 768 pixels, currently the most popular screen size. For optimum view, we recommend you set your screen to this resolution.

All of our take-home notes and text-based downloads require Adobe Acrobat Reader v.4 and above to view them. If you are using an older version of Adobe Reader you may need to upgrade. If you do not already have Adobe Reader installed on your computer you can download it free from the Adobe website.