function popUpCenteredWindow() {
        
		
		var iMyWidth;
        var iMyHeight;
        iMyWidth = (window.screen.width/2) - (375 + 10); 
        iMyHeight = (window.screen.height/2) - (275 + 30); 
        var win2 = window.open("inhalt.html","main","height=550,width=780,resizable=no,status=no,scrollbars=yes,left=" + iMyWidth + ",top=" + iMyHeight + ",screenX=" + iMyWidth + ",screenY=" + iMyHeight);
        win2.focus();
		
}

function jump(URL) {    
		window.opener.location.href = URL;
}



function popup(url, width, height) {
    var params = "width="+width+",height="+height;
	var newwin = window.open(url, 'popup', params);
	newwin.focus();
	
}

//function popupalt(url) {
//	window.open(url, '', 'width=500,height=200');
//}
   
function closeAndRedirect(url) {
	self.close();
	jump(url);
}

var appl=navigator.appName;
var art=parseInt(navigator.appVersion);
var scriptActive=false;
if (appl=="Netscape")
{
  if (art>=3)
    {scriptActive=true;}
}
else if (appl=="Microsoft Internet Explorer")
{
  if (art>=4)
  {scriptActive=true;}
}

if (scriptActive)
{
//##preload     
var aimage,bimage,cimage,dimage,eimage,fimage,gimage,himage,kimage;

aimage = new Image ();
aimage.src = "../../img/n_zurueck.gif";
aaimage = new Image ();
aaimage.src = "../../img/n_zurueckh.gif";

bimage = new Image ();
bimage.src = "../../img/n_glossar.gif";
baimage = new Image ();
baimage.src = "../../img/n_glossarh.gif";

cimage = new Image ();
cimage.src = "../../img/n_inhalt.gif";
caimage = new Image ();
caimage.src = "../../img/n_inhalth.gif";

dimage = new Image ();
dimage.src = "../../img/n_ende.gif";
daimage = new Image ();
daimage.src = "../../img/n_endeh.gif";

eimage = new Image ();
eimage.src = "../../img/n_weiter.gif";
eaimage = new Image ();
eaimage.src = "../../img/n_weiterh.gif";

fimage = new Image ();
fimage.src = "../../img/auswahl.gif";
faimage = new Image ();
faimage.src = "../../img/auswahlh.gif";

gimage = new Image ();
gimage.src = "../../img/button_schliessen.gif";
gaimage = new Image ();
gaimage.src = "../../img/button_schliessenh.gif";

himage = new Image ();
himage.src = "../../img/button_weiter.gif";
haimage = new Image ();
haimage.src = "../../img/button_weiterh.gif";

iimage = new Image ();
iimage.src = "../../img/button_zurueck.gif";
iaimage = new Image ();
iaimage.src = "../../img/button_zurueckh.gif";

kimage = new Image ();
kimage.src = "../../img/s_08.jpg";
kaimage = new Image ();
kaimage.src = "../../img/s_08h.gif";

        function roll(bildName,bildQuelle)
        {
        document.images[bildName].src = bildQuelle.src;
        }
}