var sticky = "0";
  var rabbit = "0";

  function roll(name,rollflag)
  {
    img = eval(name+"_"+rollflag);
    document.images[name].src = img.src;
  }

  var uA = navigator.userAgent;
  var bw = uA.indexOf("Firefox")!=-1 ? "Fox" : 0 ;
  if (bw==0) var bw = navigator.appName=="Konqueror" ? "Kon" : 0 ;
  if (bw==0) var bw = uA.indexOf("Opera")!=-1 ? "Opera" : 0 ;
  if (bw==0) var bw = uA.indexOf("MSIE")!=-1 ? "IE" : 0 ;
  if (bw==0) var bw = (uA.indexOf("Mozilla")!=-1 && uA.indexOf("Netscape")!=-1) ? "Netscape" : "Mozilla" ;
  
/*  if (window.location!="/")
  {
    alert (window.location.pathname);
  } */

  function popup(file, name, x, y)
  {
      window.open(file, name, "width="+x+",height="+y+",left=100,top=100");
  }
  
  function stick(name)
  {
    if (sticky!="0")
    {
      name_old = sticky.substr(8);
      name_old = name_old.toLowerCase();
      document.getElementById(sticky).innerHTML = "<img src='grafik/navi_"+name_old+"_off.gif' alt='"+name_old+"' name='navi_"+name_old+"' onmouseover='roll(this.name,\"on\")' onmouseout='roll(this.name,\"off\")' border='0' />";
    }
    aname = "MainNavi"+name;
    name = name.toLowerCase();
    document.getElementById(aname).innerHTML = "<img src='grafik/navi_"+name+"_on.gif' alt='Widder Rot' border='0' />";
    document.getElementById("main_part").src = name+".html";
    sticky = aname;
  }
    
  function load(img_src)
  {
	  var tmp=new Image();
	  tmp.src=img_src;
	  return tmp;
  }
    
  navi_widder_on=load("grafik/navi_widder_on.gif");
  navi_widder_off=load("grafik/navi_widder_off.gif");
  navi_riesen_on=load("grafik/navi_riesen_on.gif");
  navi_riesen_off=load("grafik/navi_riesen_off.gif");
  navi_nahrung_on=load("grafik/navi_nahrung_on.gif");
  navi_nahrung_off=load("grafik/navi_nahrung_off.gif");
  navi_news_on=load("grafik/navi_news_on.gif");
  navi_news_off=load("grafik/navi_news_off.gif");
  navi_gb_on=load("grafik/navi_gb_on.gif");
  navi_gb_off=load("grafik/navi_gb_off.gif");
  navi_links_on=load("grafik/navi_links_on.gif");
  navi_links_off=load("grafik/navi_links_off.gif");
  navi_kontakt_on=load("grafik/navi_kontakt_on.gif");
  navi_kontakt_off=load("grafik/navi_kontakt_off.gif");

  function sub_roll(sub_name,sub_rollflag)
  {
    if (sub_rollflag=="over") document.images[sub_name].src = "grafik/sub_marker.png";
    if (sub_rollflag=="out" && sub_name!=rabbit) document.images[sub_name].src = "grafik/blank.gif";
  }
    
  function header_text(Menu,SubMenu,sub_name)
  {
    document.images[rabbit].src = "grafik/blank.gif";
    document.getElementById("header").innerHTML = Menu+" >> "+SubMenu ;
    document.images[sub_name].src = "grafik/sub_marker.png";
    rabbit = sub_name;
  }