if (document.images)
   {
     pic1on= new Image(82,85)
     pic1on.src="/IT/masterPages/images/gelbuttons/sm_redgelbutton2.jpg"  
     pic2on= new Image(82,85)
     pic2on.src="/IT/masterPages/images/gelbuttons/sm_greengelbutton2.jpg" 
     pic3on= new Image(82,85)
     pic3on.src="/IT/masterPages/images/gelbuttons/sm_purplegelbutton2.jpg"
     
     pic1off= new Image(82,85)
     pic1off.src="/IT/masterPages/images/gelbuttons/sm_redgelbutton.jpg"
     pic2off= new Image(82,85)
     pic2off.src="/IT/masterPages/images/gelbuttons/sm_greengelbutton.jpg" 
     pic3off= new Image(82,85)
     pic3off.src="/IT/masterPages/images/gelbuttons/sm_purplegelbutton.jpg" 
   }

function lightup(imgName)
 {
   if (document.images)
    {
      imgOn=eval(imgName + "on.src")
      document.getElementById(imgName).setAttribute("src",imgOn)
    }
 }

function turnoff(imgName)
 {
   if (document.images)
    {
      imgOff=eval(imgName + "off.src")
	  document.getElementById(imgName).setAttribute("src",imgOff)
	}
 }