function swapImgRestore() { //v3.0
  var i,x,a=document.sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.p) d.p=new Array();
    var i,j=d.p.length,a=preloadImages.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 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=findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function swapImage() { //v3.0
  var i,j=0,x,a=swapImage.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 popupWindow(url) {
  window.open(url,'popupWindow','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=100,height=100,screenX=150,screenY=150,top=150,left=150')
}


// linksMen�funktionnen
function init_nav() {
   for(i = 0; i < document.getElementsByTagName('ul').length; 
       i++) {
      if(document.getElementsByTagName('ul')[i].className == 
      "opened") {
         id = 
         document.getElementsByTagName('ul')[i].parentNode.id;
         toggle(id, false);
      }
   }
   if(window.name.length > 0)       
      load_nav();
}

function toggle(id, save) {
   ul = "ul_" + id;
   img = "img_" + id;
   ul_element = document.getElementById(ul);
   img_element = document.getElementById(img);
   if(ul_element) {
       if(ul_element.className == 'closed') {
          ul_element.className = "opened";
          img_element.src = "opened.gif";
       } 
       else {
          ul_element.className = "closed";
          img_element.src = "closed.gif";
       }
   }
   if(save == true) save_nav();
}

function save_nav() {
   var save = "";
   for(var i = 0; i < document.getElementsByTagName('ul').length;
   i++) {
      if((document.getElementsByTagName('ul')[i].className == 
      "opened" || 
      document.getElementsByTagName('ul')[i].className == 
      "closed") && document.getElementsByTagName('ul')[i].id != 
      'root') 
         save = save + document.getElementsByTagName('ul')[i].id 
         + "=" + document.getElementsByTagName('ul')[i].className 
         + ",";
   }
   if(save.lastIndexOf(",") > 0) 
      save = save.substring(0, save.lastIndexOf(","));
   window.name = save;
}

function load_nav() {
   var items = window.name.split(",");
   if(items.length > 0) {
      for(var i = 0; i < items.length; i++) {        
         id_value = items[i].split("=");         
         if(id_value.length == 2) {
            id = id_value[0];  
            value = id_value[1];
            document.getElementById(id).className = value;
            img = "img_" + id.substring(3, id.length);
            img_element = document.getElementById(img);
            if(value == "closed")
               img_element.src = "closed.gif";  
            else
               img_element.src = "opened.gif";
         }
      }
   }
}