function SDMenu(id) {
    if (!document.getElementById || !document.getElementsByTagName)
      return false;
    this.menu = document.getElementById(id);
    this.submenus = this.menu.getElementsByTagName("div");
    this.remember = false;
    this.speed = 3;
    this.markCurrent = true;
    this.oneSmOnly = true;
}
SDMenu.prototype.init = function() {
  var mainInstance = this;
  for (var i = 0; i < this.submenus.length; i++)			/* submenus Länge ist hier z.B. 13,  */
    this.submenus[i].getElementsByTagName("span")[0].onclick = function() {  /* Wenn klick auf Span-Button, dann nachfolgende Funktion ausführen (Menü öffnet sich)*/
      mainInstance.toggleMenu(this.parentNode);                              /* mainInstance = this, toggleMenu = Unterfunktion, this.parentNode = Kindfunktion */
    };
  if (this.markCurrent) {
    var sector = document.location.href.split("&");
    if (sector[2]) {
      var leiste = sector[2].split("=");
      var inhalt = new Array(12);
      for (var i = 0; i < this.submenus.length; i++)
        inhalt.push(leiste[1]-1 == i ? 1 : 0);
        inhalt = "sdmenu_" + encodeURIComponent(this.menu.id) + "=" + inhalt.join("");
    }
    var regex = new RegExp("sdmenu_" + encodeURIComponent(this.menu.id) + "=([01]+)"); /* in regex wird ein Suchkriterium erstellt */
    var match = regex.exec(inhalt);                                          /* Durchsucht die Zeichenkette im Cookie nach dem Inhalt von der Variable regex */
    if (match) {								
      var states = match[1].split("");                                       /* Bei einem Treffer den Teil nach dem 1. Treffer bis =([01]+) in Variable states kopieren */
      for (var i = 0; i < states.length; i++)	                 /* Variable regex besteht nur aus 0 und einer 1, jede 0 steht für ein Hauptmenü, die 1 für das aktive */
        this.submenus[i].className = (states[i] == 0 ? "collapsed" : "");    /* Mit Operator "?" richtig-falsch Bedingung einleiten. Bei 0 bleibt das Menü zu (es gibt nur eine 1) */
    }
    
    var links = this.menu.getElementsByTagName("a");
    for (var i = 0; i < links.length; i++)
    if (links[i].href == document.location.href) {
      links[i].className = "current";
      break;
    }
  }
  
  if (this.remember) {
    var regex = new RegExp("sdmenu_" + encodeURIComponent(this.menu.id) + "=([01]+)"); /* in regex wird ein Suchkriterium erstellt */
    var match = regex.exec(document.cookie);                                 /* Durchsucht die Zeichenkette im Cookie nach dem Inhalt von der Variable regex */
    alert("States Angaben: "+document.cookie);
    if (match) {								
      var states = match[1].split("");                                       /* Bei einem Treffer den Teil nach dem 1. Treffer bis =([01]+) in Variable states kopieren */
      for (var i = 0; i < states.length; i++)	                 /* Variable regex besteht nur aus 0 und einer 1, jede 0 steht für ein Hauptmenü, die 1 für das aktive */
        this.submenus[i].className = (states[i] == 0 ? "collapsed" : "");    /* Mit Operator "?" richtig-falsch Bedingung einleiten. Bei 0 bleibt das Menü zu (es gibt nur eine 1) */
    }
  }
};
SDMenu.prototype.toggleMenu = function(submenu) {
  if (submenu.className == "collapsed")
    this.expandMenu(submenu);
  else
    this.collapseMenu(submenu);
};
SDMenu.prototype.expandMenu = function(submenu) {
  var fullHeight = submenu.getElementsByTagName("span")[0].offsetHeight;
  var links = submenu.getElementsByTagName("a");
  for (var i = 0; i < links.length; i++)
    fullHeight += links[i].offsetHeight;
  var moveBy = Math.round(this.speed * links.length);
  var mainInstance = this;
  var intId = setInterval(function() {
    var curHeight = submenu.offsetHeight;
    var newHeight = curHeight + moveBy;
    if (newHeight < fullHeight)
      submenu.style.height = newHeight + "px";
    else {
      clearInterval(intId);
      submenu.style.height = "";
      submenu.className = "";
      mainInstance.memorize();
    }
  }, 30);
  this.collapseOthers(submenu);
};
SDMenu.prototype.collapseMenu = function(submenu) {
  var minHeight = submenu.getElementsByTagName("span")[0].offsetHeight;
  var moveBy = Math.round(this.speed * submenu.getElementsByTagName("a").length);
  var mainInstance = this;
  var intId = setInterval(function() {
    var curHeight = submenu.offsetHeight;
    var newHeight = curHeight - moveBy;
    if (newHeight > minHeight)
      submenu.style.height = newHeight + "px";
    else {
      clearInterval(intId);
      submenu.style.height = "";
      submenu.className = "collapsed";
      mainInstance.memorize();
    }
  }, 30);
};
SDMenu.prototype.collapseOthers = function(submenu) {
  if (this.oneSmOnly) {
    for (var i = 0; i < this.submenus.length; i++)
      if (this.submenus[i] != submenu && this.submenus[i].className != "collapsed")
        this.collapseMenu(this.submenus[i]);
  }
};
SDMenu.prototype.expandAll = function() {
  var oldOneSmOnly = this.oneSmOnly;
  this.oneSmOnly = false;
  for (var i = 0; i < this.submenus.length; i++)
    if (this.submenus[i].className == "collapsed")
      this.expandMenu(this.submenus[i]);
  this.oneSmOnly = oldOneSmOnly;
};
SDMenu.prototype.collapseAll = function() {
  for (var i = 0; i < this.submenus.length; i++)
    if (this.submenus[i].className != "collapsed")
      this.collapseMenu(this.submenus[i]);
};
SDMenu.prototype.memorize = function() {
  if (this.remember) {
    var states = new Array();
    for (var i = 0; i < this.submenus.length; i++)
      states.push(this.submenus[i].className == "collapsed" ? 0 : 1);
    var d = new Date();
    d.setTime(d.getTime() + (30 * 24 * 60 * 60 * 1000));
    document.cookie = "sdmenu_" + encodeURIComponent(this.menu.id) + "=" + states.join("") + "; expires=" + d.toGMTString() + "; path=/";
  }
};


function addEvent(obj, type, fn){
  if (obj.addEventListener){
    obj.addEventListener(type, fn, false);
    return true;
  } else if (obj.attachEvent) {
    var ziel = obj.attachEvent( "on"+type, fn);
    return ziel;
  } else {
    return false;
  }
}

function verbergen() {
  if (document.getElementById){
    document.getElementById('warten').style.visibility='hidden';
    return true;
  }
}