function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
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 = "bilder/desc.gif";
}
else {
ul_element.className = "closed";
img_element.src = "bilder/asc.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 = "bilder/asc.gif";
else
img_element.src = "bilder/desc.gif";
}
}
}
}