if (document.images)
   {
     pic1on= new Image(112,41);
     pic1on.src="images-final/menu/slide_on.gif";
     
     pic2on= new Image(117,42);
     pic2on.src="images-final/menu/getstarted_on.gif";
    

     pic1off= new Image(112,41);
     pic1off.src="images-final/menu/slide_off.gif";
     
     pic2off= new Image(117,42);
     pic2off.src="images-final/menu/getstarted_off.gif";

   }

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;

    }
 }