if (document.images) {
	var img1on = new Image();
	img1on.src = "../bilder/button_an.gif";

	var img1off = new Image();
	img1off.src = "../bilder/button_aus.gif";
} 

if (document.images) {
	var img2on = new Image();
	img2on.src = "../bilder/button_an.gif";

	var img2off = new Image();
	img2off.src = "../bilder/button_aus.gif";
} 

if (document.images) {
	var img3on = new Image();
	img3on.src = "../bilder/button_an.gif";

	var img3off = new Image();
	img3off.src = "../bilder/button_aus.gif";
} 

if (document.images) {
	var img4on = new Image();
	img4on.src = "../bilder/button_an.gif";

	var img4off = new Image();
	img4off.src = "../bilder/button_aus.gif";
} 

if (document.images) {
	var img5on = new Image();
	img5on.src = "../bilder/button_an.gif";

	var img5off = new Image();
	img5off.src = "../bilder/button_aus.gif";
}

if (document.images) {
	var img6on = new Image();
	img6on.src = "../bilder/button_an.gif";

	var img6off = new Image();
	img6off.src = "../bilder/button_aus.gif";
} 

if (document.images) {
	var img7on = new Image();
	img7on.src = "../bilder/button_an.gif";

	var img7off = new Image();
	img7off.src = "../bilder/button_aus.gif";
}  

if (document.images) {
	var img8on = new Image();
	img8on.src = "../bilder/button_an.gif";

	var img8off = new Image();
	img8off.src = "../bilder/button_aus.gif";
} 

if (document.images) {
	var img9on = new Image();
	img9on.src = "../bilder/hoerauswahl_an.gif";

	var img9off = new Image();
	img9off.src = "../bilder/hoerauswahl_aus.gif";
} 

if (document.images) {
	var img10on = new Image();
	img10on.src = "../bilder/schliessen_an.gif";

	var img10off = new Image();
	img10off.src = "../bilder/schliessen_aus.gif";
} 





function imgOn(imgName) {
	if (document.images) {
         	document.images[imgName].src = eval(imgName + "on.src");
                 }
            }

function imgOff(imgName) {
	if (document.images) {
         	document.images[imgName].src = eval(imgName + "off.src");
                 }
}