function img_on(imgname) {
	if (document.images) {
		document[imgname].src = eval(imgname + "_on.src");
	}
}

function img_off(imgname) {
	if (document.images) {
		document[imgname].src = eval(imgname + "_off.src");
	}
}

if (document.images) {
	var verein_off = new Image();
	verein_off.src = "/pic/reiter/verein_off.gif";
	var nachwuchs_off = new Image();
	nachwuchs_off.src = "/pic/reiter/nachwuchs_off.gif";
	var news_off = new Image();
	news_off.src = "/pic/reiter/news_off.gif";
	var archiv_off = new Image();
	archiv_off.src = "/pic/reiter/archiv_off.gif";
	var fun_off = new Image();
	fun_off.src = "/pic/reiter/fun_off.gif";

	var verein_on = new Image();
	verein_on.src = "/pic/reiter/verein_active_off.gif";
	var nachwuchs_on = new Image();
	nachwuchs_on.src = "/pic/reiter/nachwuchs_active_off.gif";
	var news_on = new Image();
	news_on.src = "/pic/reiter/news_active_off.gif";
	var archiv_on = new Image();
	archiv_on.src = "/pic/reiter/archiv_active_off.gif";
	var fun_on = new Image();
	fun_on.src = "/pic/reiter/fun_active_off.gif";
}