if (document.images) {

active = new Image();
active.src = "images/onas11.jpg";
inactive = new Image();
inactive.src = "images/onas1.jpg";

active2 = new Image();
active2.src = "images/ref11.jpg";
inactive2 = new Image();
inactive2.src = "images/ref1.jpg";

active3 = new Image();
active3.src = "images/dok11.jpg";
inactive3 = new Image();
inactive3.src = "images/dok1.jpg";

active4 = new Image();
active4.src = "images/gal11.jpg";
inactive4 = new Image();
inactive4.src = "images/gal1.jpg";

active5 = new Image();
active5.src = "images/kat11.jpg";
inactive5 = new Image();
inactive5.src = "images/kat1.jpg";

active6 = new Image();
active6.src = "images/kont11.jpg";
inactive6 = new Image();
inactive6.src = "images/kont1.jpg";

active7 = new Image();
active7.src = "images/akcia11.jpg";
inactive7 = new Image();
inactive7.src = "images/akcia1.jpg";

}