if (document.images)

   {

     pic1on= new Image(63,63);

     pic1on.src="images/foto/over-eeckaerde-klein.jpg";  

     pic2on= new Image(64,63);

     pic2on.src="images/foto/over-henkenshage-klein.jpg"; 

     pic3on= new Image(63,63);

     pic3on.src="images/foto/over-leesthoeve-klein.jpg"; 


     
     pic1off= new Image(63,63);

     pic1off.src="images/foto/eeckaerde-klein.jpg";

     pic2off= new Image(64,63);

     pic2off.src="images/foto/henkenshage-klein.jpg";

     pic3off= new Image(63,63);

     pic3off.src="images/foto/leesthoeve-klein.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;

    }

 }