function layerwechsel(welcher,welchernicht1,welchernicht2,welchernicht3) {
	document.getElementById("submenuover").style.display = "block";
	document.getElementById(welcher).style.zIndex = 14;
	document.getElementById(welcher).style.left = "0px";
	document.getElementById(welchernicht1).style.zIndex = 13;
	document.getElementById(welchernicht1).style.left = "-2000px";
	document.getElementById(welchernicht2).style.zIndex = 12;
	document.getElementById(welchernicht2).style.left = "-2000px";
	document.getElementById(welchernicht3).style.zIndex = 11;
	document.getElementById(welchernicht3).style.left = "-2000px";
}
function layerwechselAll(welcher,welchernicht1,welchernicht2,welchernicht3) {
	document.getElementById("submenuover").style.display = "none";
	document.getElementById(welcher).style.zIndex = 14;
	document.getElementById(welcher).style.left = "-2000px";
	document.getElementById(welchernicht1).style.zIndex = 13;
	document.getElementById(welchernicht1).style.left = "-2000px";
	document.getElementById(welchernicht2).style.zIndex = 12;
	document.getElementById(welchernicht2).style.left = "-2000px";
	document.getElementById(welchernicht3).style.zIndex = 11;
	document.getElementById(welchernicht3).style.left = "-2000px";
}