if (document.images) {
	button1On = new Image();
	button1On.src = " images/buttony/button1b.gif";
	button1Off = new Image();
	button1Off.src = " images/buttony/button1a.gif";
	}

if (document.images) {
	button2On = new Image();
	button2On.src = " images/buttony/button2b.gif";
	button2Off = new Image();
	button2Off.src = " images/buttony/button2a.gif";
	}

if (document.images) {
	button3On = new Image();
	button3On.src = " images/buttony/button3b.gif";
	button3Off = new Image();
	button3Off.src = " images/buttony/button3a.gif";
	}

if (document.images) {
	button4On = new Image();
	button4On.src = " images/buttony/button4b.gif";
	button4Off = new Image();
	button4Off.src = " images/buttony/button4a.gif";
	}

if (document.images) {
	button5On = new Image();
	button5On.src = " images/buttony/button5b.gif";
	button5Off = new Image();
	button5Off.src = " images/buttony/button5a.gif";
	}

if (document.images) {
	button6On = new Image();
	button6On.src = " images/buttony/button6b.gif";
	button6Off = new Image();
	button6Off.src = " images/buttony/button6a.gif";
	}

if (document.images) {
	button7On = new Image();
	button7On.src = " images/buttony/button7b.gif";
	button7Off = new Image();
	button7Off.src = " images/buttony/button7a.gif";
	}

if (document.images) {
	button8On = new Image();
	button8On.src = " images/buttony/button8b.gif";
	button8Off = new Image();
	button8Off.src = " images/buttony/button8a.gif";
	}
    

function activate(nazwa_obrazka) {

if (document.images) {
	document[nazwa_obrazka].src = eval(nazwa_obrazka + "On.src");
	}
	}

function deactivate(nazwa_obrazka) {

if (document.images) {
	document[nazwa_obrazka].src = eval(nazwa_obrazka +"Off.src");
	}
	}