if (document.images) {
image1on = new Image();
image1on.src = "images/2onas.jpg";
image2on = new Image();
image2on.src = "images/2digi.jpg";
image3on = new Image();
image3on.src = "images/2sign.jpg";
image4on = new Image();
image4on.src = "images/2tisk.jpg";
image5on = new Image();
image5on.src = "images/2znacky.jpg";
image6on = new Image();
image6on.src = "images/2foto.jpg";
image7on = new Image();
image7on.src = "images/2kontakt.jpg";
image1off = new Image();
image1off.src = "images/1onas.jpg";
image2off = new Image();
image2off.src = "images/1digi.jpg";
image3off = new Image();
image3off.src = "images/1sign.jpg";
image4off = new Image();
image4off.src = "images/1tisk.jpg";
image5off = new Image();
image5off.src = "images/1znacky.jpg";
image6off = new Image();
image6off.src = "images/1foto.jpg";
image7off = new Image();
image7off.src = "images/1kontakt.jpg";}
function imgOn(imgName) {if (document.images) {
document[imgName].src = eval(imgName + "on.src");}}
function imgOff(imgName) {if (document.images) {
document[imgName].src = eval(imgName + "off.src");}}