function getCookie( name)
{
  var arg  = name + "=";
  var alen = arg.length;
  var clen = document.cookie.length;
  var i    = 0;

  while (i < clen)
  {
    var j = i + alen;
    if (document.cookie.substring( i, j) == arg)
      return "ja";

    i = document.cookie.indexOf( " ", i) + 1;
    if (i == 0)
      break;
  }

  return null;
}

function popup()
{
  var visit = getCookie( "popup");
  if (visit == null)
  {
    var expire = new Date();

    window.name = "home";
    window.open( "popup.html", "popup", "width=350,height=220,toolbar=no,menubar=no,location=no;scrollbars=no");

    // Cookie wird gelöscht nach 7 Tagen (a 24 Stunden, a 60 Minuten, a 60 Sekunden)
    expire = new Date( expire.getTime() + (7*24*60*60*1000));
    document.cookie = "popup=ja; expires="+expire;
  }
}
//


function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);


function MM_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=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}