var Datei = location.href;
Datei = Datei.indexOf("pages");
if (Datei == -1) var pfad = "images/";
 else var pfad = "../images/";

function BilderLaden() {
		if (document.images) {
			var a = new Image(); a.src = pfad + "button_dtm_0.jpg";
			var b = new Image(); b.src = pfad + "button_dtm_1.jpg";
			var c = new Image(); c.src = pfad + "button_formel1_0.jpg";
			var d = new Image(); d.src = pfad + "button_formel1_1.jpg";
			var e = new Image(); e.src = pfad + "button_fussball_0.jpg";
			var f = new Image(); f.src = pfad + "button_fussball_1.jpg";
			var g = new Image(); g.src = pfad + "button_motogp_0.jpg";
			var h = new Image(); h.src = pfad + "button_motogp_1.jpg";
		}
}
function BildWechsel(b, m) {
		if (document.images) {
		var bild = pfad + "button_" + b + "_" + m + ".jpg";
		document.images[b].src  = bild;
		}
}