b0off = new Image();
b0off.src = "gfx/b_onas1.jpg";
b0on = new Image();
b0on.src = "gfx/b_onas.jpg";

b1off = new Image();
b1off.src = "gfx/b_nowosci1.jpg";
b1on = new Image();
b1on.src = "gfx/b_nowosci.jpg";

b2off = new Image();
b2off.src = "gfx/b_autorzy1.jpg";
b2on = new Image();
b2on.src = "gfx/b_autorzy.jpg";

b3off = new Image();
b3off.src = "gfx/b_sklep1.jpg";
b3on = new Image();
b3on.src = "gfx/b_sklep.jpg";

b4off = new Image();
b4off.src = "gfx/b_zapowiedzi1.jpg";
b4on = new Image();
b4on.src = "gfx/b_zapowiedzi.jpg";

b5off = new Image();
b5off.src = "gfx/b_kontakt1.jpg";
b5on = new Image();
b5on.src = "gfx/b_kontakt.jpg";

function myfun() {
	if (xmenu == 0) {
		document.gfx['b1'].src=b1off.src;
	}
}

function myfun2() {
	if (ymenu == 0) {
		document.gfx['b2'].src=b2off.src;
	}
}