//This preloads all the images and associated them with a given name.  For best results include the demensions of the images.
if (document.images) {
		pic1on = new Image(96, 25);
	pic1on.src = "images/JR_navlist01_on.jpg";
	
	pic1off = new Image(96, 25);
	pic1off.src = "images/JR_navlist01_off.jpg";
	
		pic2on = new Image(111, 25);
	pic2on.src = "images/JR_navlist02_on.jpg";
	
	pic2off = new Image(111, 25);
	pic2off.src = "images/JR_navlist02_off.jpg";
	
		pic3on = new Image(114, 25);
	pic3on.src = "images/JR_navlist03_on.jpg";
	
	pic3off = new Image(114,25);
	pic3off.src = "images/JR_navlist03_off.jpg";
	
		pic4on = new Image(116, 25);
	pic4on.src = "images/JR_navlist04_on.jpg";
	
	pic4off = new Image(116, 25);
	pic4off.src = "images/JR_navlist04_off.jpg";
	
		pic5on = new Image(133, 25);
	pic5on.src = "images/JR_navlist05_on.jpg";
	
	pic5off = new Image(133, 25);
	pic5off.src = "images/JR_navlist05_off.jpg";
	
		pic6on = new Image(124, 25);
	pic6on.src = "images/JR_navlist06_on.jpg";
	
	pic6off = new Image(124, 25);
	pic6off.src = "images/JR_navlist06_off.jpg";
	
}
function lightup(imgName)
 {
   if (document.images)
    {
      imgOn=eval(imgName + "on.src");
      document[imgName].src= imgOn;
    }
 }

function turnoff(imgName)
 {
   if (document.images)
    {
      imgOff=eval(imgName + "off.src");
      document[imgName].src= imgOff;
    }
 }