/* Předem načte onMouseOver obrázky */

var img1 = new Image();
var img2 = new Image();
var img3 = new Image();
var img4 = new Image();
var img5 = new Image();
var img6 = new Image();

img1.src = "Img/novinky_on.jpg";
img2.src = "Img/audio_on.jpg";
img3.src = "Img/texty_on.jpg";
img4.src = "Img/foto_on.jpg";
img5.src = "Img/media_on.jpg";
img6.src = "Img/obchod_on.jpg";