var mn = new Array("obr0","obr1","obr2","obr3","obr4","obr5");
	var name = new Array("home","about","inter","menu","cont","rezervace");
	var obr_on = new Array(mn.length);
	var obr_off = new Array(mn.length);
	for (var i = 0; i < mn.length; i++) {
		obr_off[i] = new Image();
		obr_off[i].src = "img/buttons/" + name[i] + "_0.gif";
		//alert(obr_off[i].src);
		obr_on[i] = new Image();
		obr_on[i].src = "img/buttons/" + name[i] + "_1.gif";
	}
	function aktivace() {
		document.images[mn[menu_cislo]].src = obr_on[menu_cislo].src;
	}
	function off(cislo) {
		if (menu_cislo != cislo) document.images[mn[cislo]].src = obr_off[cislo].src;
	}
	function on(cislo) {
		if (menu_cislo != cislo) document.images[mn[cislo]].src = obr_on[cislo].src;
	}