if (document.images)
   {
     pic2on= new Image;
     pic2on.src="images/bowerbird.jpg";
     pic2off= new Image;
     pic2off.src="images/spacer.jpg";
     pic3on= new Image;
     pic3on.src="images/denmark.jpg";
     pic3off= new Image;
     pic3off.src="images/spacer.jpg";
     pic4on= new Image;
     pic4on.src= "images/bower.jpg";
     pic4off= new Image;
     pic4off.src= "images/spacer.jpg";
     pic5on= new Image;
     pic5on.src= "images/tasmania.jpg";
     pic5off= new Image;
     pic5off.src= "images/spacer.jpg";
     pic6on= new Image;
     pic6on.src= "images/bowertimber.jpg";
     pic6off= new Image;
     pic6off.src= "images/spacer.jpg";
     pic7on= new Image;
     pic7on.src= "images/jyart.jpg";
     pic7off= new Image;
     pic7off.src= "images/spacer.jpg";
     pic8on= new Image;
     pic8on.src= "images/built.jpg";
     pic8off= new Image;
     pic8off.src= "images/spacer.jpg";
     pic9on= new Image;
     pic9on.src= "images/metal.jpg";
     pic9off= new Image;
     pic9off.src= "images/spacer.jpg";
     pic10on= new Image;
     pic10on.src= "images/yahoo.jpg";
     pic10off= new Image;
     pic10off.src= "images/spacer.jpg";
     pic11on= new Image;
     pic11on.src= "images/treehugger.jpg";
     pic11off= new Image;
     pic11off.src= "images/spacer.jpg";
     pic12on= new Image;
     pic12on.src= "images/shredding.jpg";
     pic12off= new Image;
     pic12off.src= "images/spacer.jpg";
     pic13on= new Image;
     pic13on.src= "images/garbage.jpg";
     pic13off= new Image;
     pic13off.src= "images/spacer.jpg";
     pic14on= new Image;
     pic14on.src= "images/smythical.jpg";
     pic14off= new Image;
     pic14off.src= "images/spacer.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;
    }
 }