INTRODUCTION: TECHNICAL REQUIREMENTS BROWSER REQUIREMENTS   General browser requirements are Microsoft Internet Explorer 5 or higher, or Netscape Navigator 5 or higher. Download one of the free browsers below:             Microsoft Internet Explorer       Netscape Navigator               AUDIO AND VIDEO REQUIREMENTS   To view the audio and video files provided on this site you will have to have the basic free RealOne Player or RealPlayer 8 installed on your computer. You do not need to pay for the Player or any subscription service -- follow the links to the FREE RealOne Player.         RealOne Player - RealPlayer 8       PDF AND TEXT DOCUMENTS   Viewing .PDF and text files requires you to have Adobe Acrobat or the free Adobe Reader installed on your computer.   Adobe Acrobat Reader           POWERPOINT DOCUMENTS   In order to view the PowerPoint presentations, you will need to have Microsoft PowerPoint or the free Microsoft PowerPoint Viewer installed on your computer.   PowerPoint Viewer Windows Version     PowerPoint Viewer MacIntosh Version