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) { //v4.0
  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 && document.getElementById) x=document.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];}
}

function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}

function MK_getAcrobat() { // Surft zu Acrobat Reader
  bgdWin = open("http://www.adobe.de/products/acrobat/readstep2.html", "Acrobat", "width=800,height=600,scrollbars=yes,resizable=yes,status=yes,toolbar=yes,menubar=yes,location=yes,left=0,top=0");
}

function MK_viewPage(meinpfad, balk) { // Inhalt-Popup
var xpos = (screen.availWidth/2)-274;
var ypos = (screen.availHeight/2)-294;
bwzWin = open(meinpfad, "Eintrag", "width=548,height=548,scrollbars="+balk+",resizable=no,status=no,toolbar=no,menubar=no,left="+xpos+",top="+ypos+"");
bwzWin.focus();
}

function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}

function MK_checkForm() { // Formular versenden
if(document.kontaktform.f_name.value == "")  {
		alert("Bitte tragen Sie Ihren Vornamen, Namen ein.");
		document.kontaktform.f_name.focus();
		return false;
	}
if(document.kontaktform.f_email.value == "" || document.eingabemaske.f_email.value.length < 7)  {
		alert("Bitte tragen Sie Ihre E-Mail-Adresse ein.");
		document.kontaktform.f_email.focus();
		return false;
	}
if(document.kontaktform.f_email.value.indexOf('@') == -1 || document.eingabemaske.f_email.value.indexOf('.') == -1) {
		alert("Bitte tragen Sie eine gueltige E-Mail-Adresse ein.");
		document.kontaktform.f_email.focus();
		return false;
	}
}