button1on = new Image();
button2on = new Image();

button1off = new Image();
button2off = new Image();

button1on.src = "/html/website/images/pl_off.jpg";
button2on.src = "/html/website/images/en_off.jpg";

button1off.src = "/html/website/images/pl_on.jpg";
button2off.src = "/html/website/images/en_on.jpg";

function podswietl(obraz){
	pods = eval(obraz + "off.src");
	document [obraz].src = pods;
}

function normalny(obraz){
	norm = eval(obraz + "on.src");
	document [obraz].src = norm;
}