// --- VARIABLEN DEFINITIONEN ---------------------------------------------------

   var bildname = '';
   var ort = '';
   var winstat = '';
   var browser_type=navigator.appName;
   var browser_version=parseInt(navigator.appVersion);
   var x=10;
   var d=document;

// --- PRELOAD IMAGES ---------------------------------------------------------

  function preloadImages() { 
   if(d.images){ 
    if(!d.p) d.p=new Array();
    var i,j=d.p.length,a=preloadImages.arguments; 
     for(i=0; i<a.length; i++)
      if (a[i].indexOf("#")!=0){ 
       d.p[j]=new Image; d.p[j++].src=a[i];
      }
     }
    }

// --- BROWSER REDIRECT ---------------------------------------------------------
   
   function checkbrowser() {
   //if NS 6
   if (browser_type=="Netscape"&&browser_version>=5)
   window.location.replace("index_ns.html")
   //if IE 4+
   else if (browser_type=="Microsoft Internet Explorer"&&browser_version>=4)
   window.location.replace("index_ie.html")
   //if NS4+
   else if (browser_type=="Netscape"&&browser_version>=4)
   window.location.replace("index_ns.html")
   //Default goto page (NOT NS 4+ and NOT IE 4+)
   else
   window.location="wrongbrowser.html"
   }
   

// --- WINDOW SHAKER IE-------------------------------------------------------------

   function ie_shakewindow() {
   if (document.all||document.layers) {
   for (i=0;i,i<20;i++){
   window.moveBy(0,x)
   window.moveBy(x,0)
   window.moveBy(0,-x)
   window.moveBy(-x,0)
   }
   }
   }


// --- WINDOW SHAKER NS-------------------------------------------------------------

   function ns_shakewindow() {
   if (document.all||document.layers) {
   for (i=0;i,i<5;i++){
   window.moveBy(0,x)
   window.moveBy(x,0)
   window.moveBy(0,-x)
   window.moveBy(-x,0)
   }
   }
   }



// --- CHANGE IMAGE -------------------------------------------------------------


   function wechsel(bildname,ort)
   {
    document.images[ort].src = bildname;
   }

   function ws (winstat)
   {
    window.status = winstat;
    return true;
   }


/*--- OPEN WINDOW  --------------------------------------------------------

   function winOpen(url, winwidth, winheight)
   {
    param = 'resizable=yes,status=0,width=' + winwidth + ',height=' +  winheight;
    window.open(url, 'newwin', param);
   }*/

//----Pop-up Position ---------------------------------------------------
  function winOpen(url) {
  if (navigator.appName == 'Netscape') {
//  function popWin(url, name, w, h, scroll) {
  var winl = (screen.width - 600) / 2;
  var wint = (screen.height - 480) / 2;
  winprops = 'height=480,width=600,top=0,left=0,scrollbars='+scroll+''
  win = window.open(url, 'Grundrisse', winprops)
  }

  if (navigator.appName == 'Microsoft Internet Explorer') {

//  function popWin(url, name, w, h, scroll) {

  var winl = (screen.width - 600) / 2;
  var wint = (screen.height - 480) / 2;
  winprops = 'height=480,width=600,top=0,left=0,scrollbars='+scroll+''
  win = window.open(url, 'Grundrisse', winprops)
  }
}



// ---- Newsletter  ------------------------------------------------------

  function fensterNewsletter(url)
  {
     newLetter = open(url, "newsletterwin", "width=600,height=480,scrollbars=yes");
  }