function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  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=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

// Bildergalerie
function imgOn(img_name,img_src) {
document[img_name].src=img_src;
}

// Popup (Karte)
function karte() {
	var breite = 454;
	var hoehe = 454;
	var positionX=((screen.availWidth / 2) - breite / 2);
	var positionY=((screen.availHeight / 2) - hoehe / 2);
popup = window.open('sites/karte.htm','Karte','toolbar=0,location=0,directories=0,status=0,menubar=0,resizable=0,fullscreen=0,width='+breite+',height='+hoehe+',top='+positionY+',left='+positionX);
popup.moveTo(positionX,positionY);
}

/* E-Mail */
function pruef() {
	if(window.document.kontakt.name.value=="") {
		alert("Bitte einen Namen eintragen.");
		return false;
	}
	if(window.document.kontakt.email.value.indexOf('@') == -1){
		alert("Bitte eine gültige E-Mail-Adresse eintragen.");
		return false;
	}
	if(window.document.kontakt.nachricht.value=="") {
		alert("Bitte eine Mitteilung eintragen!");
		return false;
	}
}