var img_tarketA = new Image();
img_tarketA.src = "index/img/tarket_activ.jpg";

var img_tarketP = new Image();
img_tarketP.src = "index/img/tarket_passiv.jpg";

var img_parketA = new Image();
img_parketA.src = "index/img/parket_active.jpg";

var img_parketP = new Image();
img_parketP.src = "index/img/parket_passive.jpg";

var img_probkaA = new Image();
img_probkaA.src = "index/img/probka_active.jpg";

var img_probkaP = new Image();
img_probkaP.src = "index/img/probka_passive.jpg";

var img_doorA = new Image();
img_doorA.src = "index/img/door_active.jpg";

var img_doorP = new Image();
img_doorP.src = "index/img/door_passive.jpg";

var img_ukladkaA = new Image();
img_ukladkaA.src = "index/img/ukladka_active.jpg";

var img_ukladkaP = new Image();
img_ukladkaP.src = "index/img/ukladka_passive.jpg";

function ChangeClassStileById(id, class_name)
{
            self.document.getElementById(id).className = class_name;
}