function MM_swapImgRestore() { 
  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() { 
  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_swapImage() { 
  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_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=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_showHideLayers() { //v6.0
  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; }
}


var win= null;
function NewWindow(mypage,myname,w,h,scroll){
var winl = (screen.width-w)/2;
var wint = (screen.height-h)/2;
var settings ='height='+h+',';
settings +='width='+w+',';
settings +='top='+wint+',';
settings +='left='+winl+',';
settings +='scrollbars='+scroll+',';
settings +='resizable=no';
win=window.open(mypage,myname,settings);
if(parseInt(navigator.appVersion) >= 4){win.window.focus();}
} 

function checkForm()
{
 if(document.Formular.Vorname.value == "")
  {
   alert("Bitte geben Sie Ihren Vornamen ein!");
   document.Formular.Vorname.focus();
   return false;
  }
 if(document.Formular.Nachname.value == "")
  {
   alert("Bitte geben Sie Ihren Nachnamen an!");
   document.Formular.Nachname.focus();
   return false;
}
if(document.Formular.Mitteilung.value == "")
  {
   alert("Bitte geben Sie eine Nachricht ein!");
   document.Formular.Mitteilung.focus();
   return false;
  }
 }



function countit(what){

formcontent=what.form.chars.value
what.form.displaycount.value=formcontent.length
}

function checkchars(cur)
{
 if(document.gaestebuch.name.value == "")
  {
   alert("Bitte geben Sie Ihren Namen ein!");
   document.gaestebuch.name.focus();
   return false;
  }
 if(document.gaestebuch.chars.value == "")
  {
   alert("Bitte geben Sie einen Beitrag ein!");
   document.gaestebuch.chars.focus();
   return false;
}

var maxlength=220
if (cur.chars.value.length>maxlength){
alert("Bitte kürzen Sie Ihren Beitrag auf max. 220 Zeichen")
return false
}
}

var ns6=document.getElementById&&!document.all

function restrictinput(maxlength,e,placeholder){
if (window.event&&event.srcElement.value.length>=maxlength)
return false
else if (e.target&&e.target==eval(placeholder)&&e.target.value.length>=maxlength){
var pressedkey=/[a-zA-Z0-9\.\,\/]/ //detect alphanumeric keys
if (pressedkey.test(String.fromCharCode(e.which)))
e.stopPropagation()
}
}

function countlimit(maxlength,e,placeholder){
var theform=eval(placeholder)
var lengthleft=maxlength-theform.value.length
var placeholderobj=document.all? document.all[placeholder] : document.getElementById(placeholder)
if (window.event||e.target&&e.target==eval(placeholder)){
if (lengthleft<0)
theform.value=theform.value.substring(0,maxlength)
placeholderobj.innerHTML=lengthleft
}
}


function displaylimit(theform,thelimit){
var limit_text='Sie haben noch <b><span id="'+theform.toString()+'">'+thelimit+'</span></b> Zeichen bis zum Eingabelimit'
if (document.all||ns6)
document.write(limit_text)
if (document.all){
eval(theform).onkeypress=function(){ return restrictinput(thelimit,event,theform)}
eval(theform).onkeyup=function(){ countlimit(thelimit,event,theform)}
}
else if (ns6){
document.body.addEventListener('keypress', function(event) { restrictinput(thelimit,event,theform) }, true); 
document.body.addEventListener('keyup', function(event) { countlimit(thelimit,event,theform) }, true); 
}
}


var i = 1;
var bsp = "pers";
function show(ebene_nr){
    verbergen(eval('"' + bsp + i +'"'));
    zeigen(eval('"' + bsp + ebene_nr +'"'));
    i = ebene_nr; 
    }
function zeigen(name) {
if (document.layers) {
    document.layers[''+name].visibility = "show";		
    }
if (document.all) {
    document.all[''+name].style.visibility = "visible"
    }
if (document.getElementById) {
    document.getElementById(''+name).style.visibility = "visible";
    }
}

function verbergen(name) {
if (document.layers){
    document.layers[''+name].visibility = "hide"
    }
if (document.all) {
    document.all[''+name].style.visibility = "hidden"
    }
if (document.getElementById) {
    document.getElementById(''+name).style.visibility = "hidden";
    }
}