var showcase_anzahl;
var showcase_akt;
var showcase_speed;
function rotate_images(anzahl,speed) {
	showcase_anzahl=anzahl;
	showcase_akt=1;
	showcase_speed=speed;
	window.setTimeout("do_rotate_image()",showcase_speed);
}

function do_rotate_image() {
	el=document.getElementById("showcase_img");
	showcase_akt=showcase_akt+1;
	if(showcase_akt>showcase_anzahl) showcase_akt=1;
	el.src="images/welpen/bild"+showcase_akt+".jpg";
	window.setTimeout("do_rotate_image()",showcase_speed);
}