function MsetCookie(name, value, expires, path, domain, secure) {
  var curCookie = name + "=" + escape(value) +
      ((expires) ? "; expires=" + expires.toGMTString() : "") +
      ((path) ? "; path=" + path : "") +
      ((domain) ? "; domain=" + domain : "") +
      ((secure) ? "; secure" : "");
  document.cookie = curCookie;
}

function MgetCookie(name) {
  var dc = document.cookie;
  var prefix = name + "=";
  var begin = dc.indexOf("; " + prefix);
  if (begin == -1) {
    begin = dc.indexOf(prefix);
    if (begin != 0) return null;
  } else
    begin += 2;
  var end = document.cookie.indexOf(";", begin);
  if (end == -1)
    end = dc.length;
  return unescape(dc.substring(begin + prefix.length, end));
}

function getKey(id) {
	var re = new RegExp("^(.+)_[^_]+$");
	var value = re.exec(id);
	return value[1]
}


function ocn(what) {
	var id=getKey(what.id);
	var el2=document.getElementById (id + "_s");
	el2.className=el2.className=="hidden"?"submenu_0":"hidden";
	MsetCookie('oc', id, null, '/');
	if (openMenu==id)
		openMenu='';
	// Das Menü was offen ist schliessen
	if (openMenu!='') {
		
		var oel=document.getElementById (openMenu + "_s");
		oel.className="hidden";
	
		
	}

	openMenu=id;

	return true;
}