if (document.images)
   {
     ster1on= new Image(30,30);
     ster1on.src="http://www.sexstandjes.be/images/ster_on.jpg";  
     ster1off= new Image(30,30);
     ster1off.src="http://www.sexstandjes.be/images/ster.jpg";

     ster2on= new Image(30,30);
     ster2on.src="http://www.sexstandjes.be/images/ster_on.jpg";  
     ster2off= new Image(30,30);
     ster2off.src="http://www.sexstandjes.be/images/ster.jpg";
	 
     ster3on= new Image(30,30);
     ster3on.src="http://www.sexstandjes.be/images/ster_on.jpg";  
     ster3off= new Image(30,30);
     ster3off.src="http://www.sexstandjes.be/images/ster.jpg";
	 
     ster4on= new Image(30,30);
     ster4on.src="http://www.sexstandjes.be/images/ster_on.jpg";  
     ster4off= new Image(30,30);
     ster4off.src="http://www.sexstandjes.be/images/ster.jpg";
	 
     ster5on= new Image(30,30);
     ster5on.src="http://www.sexstandjes.be/images/ster_on.jpg";  
     ster5off= new Image(30,30);
     ster5off.src="http://www.sexstandjes.be/images/ster.jpg";

   }

function lightup(imgName)
 {
   if (document.images)
    {
		var lengte = imgName.substring(4,5);
		var afstand = parseInt(lengte);
		for(var a = 1; a < afstand+1; a++) {
			var naam = "ster" + a;
			imgOn=eval(naam + "on.src");
			document[naam].src= imgOn;	
		}
    }
 }

function turnoff(imgName)
 {
   if (document.images)
    {
		var lengte = imgName.substring(4,5);
		var afstand = parseInt(lengte);
		for(var a = 1; a < afstand+1; a++) {
			var naam = "ster" + a;
			imgOff=eval(naam + "off.src");
			document[naam].src= imgOff;	
		}
    }
 }