Use the "Next" and "Back" buttons (left arrow and right arrow buttons), located on the right of the toolbar, to navigate linearly through the lesson pages. If you wish to go to a specific page, press the "Go To" button for a list of lesson pages.
You may also go back to the most recently viewed page within the lesson using the "History" button on the toolbar. As you progress through the lesson, you will build a history of visited pages, which you can go back to using this button.
Toolbar![]()
"Actions" Button![]()
Pressing the "Actions" button will launch a new browser window containing supporting information related to the lesson.
The "Audio" button is enabled when you enter a page that contains an audio clip. By pressing the "Audio" button, you will be able to replay the audio clip.
"Video" Button![]()
The "Video" button is enabled when you enter a page that contains one or more video clips. By pressing the "Video" button, you will be able to replay the current video clip.
"More" Button![]()
When highlighted, the "More" button will be available to let you view additional information that is not contained in the lesson.
Pressing the "Options" button will display the Options menu. The Options menu contains buttons which allow you to exit the lesson, access bookmarks or print the current lesson page.
"History" Button![]()
Pressing the "History" button will take you back to the most recently viewed page.
Pressing the "Back" button will take you to the previous page in the lesson.
"Go To" Button![]()
Pressing the "Go To" button will display a list of page links for all the pages in the lesson. You can click on a page link to go to a specific page.
"Next" Button![]()
Pressing the "Next" button will take you to the next page in the lesson.
You can display the Options menu by pressing the "Options" button on the Toolbar. The Options menu allows you to exit the lesson, access bookmarks or print the current lesson page. Each button on the Options menu is described in more detail below.
![]()
The "Cancel" button allows you to exit the Options menu.
"Exit" Button![]()
The "Exit" button allows you to exit the lesson.
"Mark" Button![]()
Pressing the "Mark" button will display the Bookmark menu. The Bookmark menu displays bookmark links for you to click on, and gives you the ability to set new bookmarks and delete old ones.
"Print" Button![]()
The "Print" button will let you print a lesson page in Explorer® 5.0 and higher. The "Print" button will not work in Explorer 4.0 or Netscape®.
This lesson uses style sheets extensively in order to neatly position text on the page.  If you have your browser settings configured to override font formatting, the lesson pages may display text in an erratic manner. Therefore, before running the courseware, make sure you have font formatting turned off in Internet Explorer's browser accessibility settings. If you are using Netscape Navigator, make sure that your browser's font settings specify to use document-specified fonts. Otherwise the courseware's text may not be displayed in an acceptable manner.
PrintingTo print the screen in Explorer® 4.0, right click on the right half of the screen (not over an image) and choose "Print" from the popup menu.
To print the screen in Explorer 5.0 or higher, click on the "Print"
button on the toolbar.
Printing is not supported in Netscape®.
Currently this courseware is compatible with Microsoft Internet Explorer®, version 4.0 or higher. You will also need to have Flash Player installed. To obtain a free copy of the browser or Flash Player, click on the images below. This courseware relies heavily on JavaScript 1.2. Therefore it is also necessary that you have JavaScript turned on in your browser.
Some lessons use PDF files (Adobe Acrobat Reader® files) to supply supplemental information to the student. These files can be viewed through the browser with the Acrobat Reader plugin. To obtain the plugin, click on the image link below.