if(navigator.appName != "Microsoft Internet Explorer")
   {
   alert("This Website is designed for Microsoft Internet Explorer \n It may not display properly in another browser");
   }
   
   
if(navigator.platform != "Win32")
   {
   alert("This Website is designed for the Microsoft Windows Platform\n It may not display properly on another platform");
   }   
   
      
     function loadFrames(left, right)
	     {
		   document.getElementById("left").src = left;
		   document.getElementById("right").src = right;
		 }