This tutorial site makes extensive use of Shockwave Flash technology. If you can see the animated fish at the bottom of the page, click on it to start the tutorial. If you cannot see the animated fish and are using Internet Explorer versions 2 or 3 for PC, or Netscape 4 for Mac or PC, please wait while the Flash plugin automatically installs itself. To allow the plugin to be installed on your computer you must grant permission for the download to take place.
Permission is granted by way of two dialogue boxes.
In the first dialogue box click the 'Grant' button at the bottom of the dialogue box. A second dialogue box then appears. Click the 'install' button. Wait for a minute or two while the pluggin downloads. You should now be able to see the fish at the bottom of the page.