if (document.images)
   {
     pic01on= new Image(110,27);
     pic01on.src="img/mn01b.jpg";
     pic01off= new Image(110,27);
     pic01off.src="img/mn01a.jpg";

     pic02on= new Image(213,38);
     pic02on.src="img/mn02b.jpg";
     pic02off= new Image(213,38);
     pic02off.src="img/mn02a.jpg";

     pic03on= new Image(213,43);
     pic03on.src="img/mn03b.jpg";
     pic03off= new Image(213,43);
     pic03off.src="img/mn03a.jpg";

     pic04on= new Image(213,41);
     pic04on.src="img/mn04b.jpg";
     pic04off= new Image(213,41);
     pic04off.src="img/mn04a.jpg";

     pic05on= new Image(213,41);
     pic05on.src="img/mn05b.jpg";
     pic05off= new Image(213,41);
     pic05off.src="img/mn05a.jpg";

     pic101on= new Image(213,45);
     pic101on.src="img/mnjobb01b.jpg";
     pic101off= new Image(213,45);
     pic101off.src="img/mnjobb01a.jpg";

     pic102on= new Image(213,45);
     pic102on.src="img/mnjobb02b.jpg";
     pic102off= new Image(213,45);
     pic102off.src="img/mnjobb02a.jpg";

     pic103on= new Image(213,45);
     pic103on.src="img/mnjobb03b.jpg";
     pic103off= new Image(213,45);
     pic103off.src="img/mnjobb03a.jpg";

     pic104on= new Image(213,45);
     pic104on.src="img/mnjobb04b.jpg";
     pic104off= new Image(213,45);
     pic104off.src="img/mnjobb04a.jpg";

     pic105on= new Image(213,45);
     pic105on.src="img/mnjobb05b.jpg";
     pic105off= new Image(213,45);
     pic105off.src="img/mnjobb05a.jpg";

     pic106on= new Image(213,45);
     pic106on.src="img/mnjobb06b.jpg";
     pic106off= new Image(213,45);
     pic106off.src="img/mnjobb06a.jpg";

     pic107on= new Image(213,45);
     pic107on.src="img/mnjobb07b.jpg";
     pic107off= new Image(213,45);
     pic107off.src="img/mnjobb07a.jpg";

     pic108on= new Image(213,45);
     pic108on.src="img/mnjobb08b.jpg";
     pic108off= new Image(213,45);
     pic108off.src="img/mnjobb08a.jpg";

     pic109on= new Image(213,45);
     pic109on.src="img/mnjobb09b.jpg";
     pic109off= new Image(213,45);
     pic109off.src="img/mnjobb09a.jpg";

     pic110on= new Image(213,45);
     pic110on.src="img/mnjobb10b.jpg";
     pic110off= new Image(213,45);
     pic110off.src="img/mnjobb10a.jpg";

     pic301on= new Image(213,45);
     pic301on.src="img/mozaik-kinaitea2.jpg";
     pic301off= new Image(213,45);
     pic301off.src="img/mozaik-kinaitea1.jpg";

     pic302on= new Image(213,45);
     pic302on.src="img/mozaik-schizonepeta2.jpg";
     pic302off= new Image(213,45);
     pic302off.src="img/mozaik-schizonepeta1.jpg";

     pic303on= new Image(213,45);
     pic303on.src="img/mozaik-ginkgokacsa-2.jpg";
     pic303off= new Image(213,45);
     pic303off.src="img/mozaik-ginkgokacsa-1.jpg";

     pic304on= new Image(213,45);
     pic304on.src="img/mozaik-kinaikonyha-b-2.jpg";
     pic304off= new Image(213,45);
     pic304off.src="img/mozaik-kinaikonyha-b-1.jpg";

     pic305on= new Image(213,45);
     pic305on.src="img/mozaik-vencsiapao-2.jpg";
     pic305off= new Image(213,45);
     pic305off.src="img/mozaik-vencsiapao-1.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;
    }
 }