function ZeigeEbene()
{
	
	if (document.getElementById) // IE 5.x und NN 6
		{
		document.getElementById("ebene2").style.visibility="visible";
		document.getElementById("ebene2").style.display="";
		document.getElementById("ebene1").style.visibility="hidden";
		document.getElementById("ebene1").style.display="none";
		}

	if (document.layers) // NN 4.x
		{
		document.layers["ebene2"].style.visibility="visible";
		document.layers["ebene2"].style.display="";
		document.layers["ebene1"].style.visibility="hidden";
		document.layers["ebene1"].style.display="none";
		}

	
	if (document.all && !document.getElementById) // IE 4
		{
		document.all["ebene2"].style.visibility="visible";
		document.all["ebene2"].style.display="";
		document.all["ebene1"].style.visibility="hidden";
		document.all["ebene1"].style.display="none";
		}
}



function VersteckeEbene()
{
	
	if (document.getElementById) // IE 5.x und NN 6
		{
		document.getElementById("ebene2").style.visibility="hidden";
		document.getElementById("ebene2").style.display="none";
		document.getElementById("ebene1").style.visibility="visible";
		document.getElementById("ebene1").style.display="";
		}

	if (document.layers) // NN 4.x
		{
		document.layers["ebene2"].style.visibility="hidden";
		document.layers["ebene2"].style.display="none";
		document.layers["ebene1"].style.visibility="visible";
		document.layers["ebene1"].style.display="";
		}
	
	if (document.all && !document.getElementById) // IE 4
		{
		document.all["ebene2"].style.visibility="hidden";
		document.all["ebene2"].style.display="none";
		document.all["ebene1"].style.visibility="visible";
		document.all["ebene1"].style.display="";
		}
}









function dynZeigeEbene(welcheebene)
{
	Nr = "ebene" + welcheebene;
	
	if (document.getElementById) // IE 5.x und NN 6
		{document.getElementById(Nr).style.visibility="visible";}
	
	if (document.layers) // NN 4.x
		{document.layers[Nr].visibility="visible";}
	
	if (document.all && !document.getElementById) // IE 4
		{document.all[Nr].style.visibility="visible";}
}



function dynVersteckeEbene(welcheebene)
{
	Nr = "ebene" + welcheebene;
	
	if (document.getElementById) // IE 5.x und NN 6
		{document.getElementById(Nr).style.visibility="hidden";}
	
	if (document.layers) // NN 4.x
		{document.layers[Nr].visibility="hidden";}
	
	if (document.all && !document.getElementById) // IE 4
		{document.all[Nr].style.visibility="hidden";}
}