function Bildervorladen()
	{
		var d=document; if(d.images){ if(!d.p) d.p=new Array();
		var i,j=d.p.length,a=Bildervorladen.arguments; for(i=0; i<a.length; i++)
		if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
	}

function Bilderaustasch()
	{
		var i,x,a=document.sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
	}

function findObj(n, d)
	{
		var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
		d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
		if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
		for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=findObj(n,d.layers[i].document);
		if(!x && document.getElementById) x=document.getElementById(n); return x;
	}

function tausch()
	{
		var i,j=0,x,a=tausch.arguments; document.sr=new Array; for(i=0;i<(a.length-2);i+=3)
		if ((x=findObj(a[i]))!=null){document.sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
	}

function shows2() {
	if(document.getElementById)
	document.getElementById("sorte2").style.visibility = "visible";
}
function shows1() {
	if(document.getElementById)
	document.getElementById("sorte1").style.visibility = "visible";
}
function shownots1() {
	if(document.getElementById)
	document.getElementById("sorte1").style.visibility = "hidden";
}
function shownots2() {
	if(document.getElementById)
	document.getElementById("sorte2").style.visibility = "hidden";
}
//no Javascript
function shownojava() {
	if(document.getElementById)
	document.getElementById("java").style.visibility = "hidden";
}