// JavaScript Document
if (document.images)
   {
     pic1on= new Image(130,21);
     pic1on.src="graphics/nav_r2_c2_f2.jpg";  
     pic2on= new Image(130,21);
     pic2on.src="graphics/nav_r2_c3_f2.jpg";
	 pic3on= new Image(130,21);
     pic3on.src="graphics/nav_r2_c4_f2.jpg"; 
	 pic4on= new Image(130,21);
     pic4on.src="graphics/nav_r2_c5_f2.jpg"; 
	 pic5on= new Image(130,21);
     pic5on.src="graphics/nav_r2_c6_f2.jpg";
	 pic6on= new Image(130,21);
     pic6on.src="graphics/nav_r2_c7_f2.jpg";

     pic1off= new Image(130,21);
     pic1off.src="graphics/nav_r2_c2.jpg";
     pic2off= new Image(130,21);
     pic2off.src="graphics/nav_r2_c3.jpg";
	 pic3off= new Image(130,21);
     pic3off.src="graphics/nav_r2_c4.jpg"; 
	 pic4off= new Image(130,21);
     pic4off.src="graphics/nav_r2_c5.jpg"; 
	 pic5off= new Image(130,21);
     pic5off.src="graphics/nav_r2_c6.jpg"; 
	 pic6off= new Image(130,21);
     pic6off.src="graphics/nav_r2_c7.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;
    }
 }