var activespan = "museum";
var activesub = "museum";

function init()
  {
  if (document.layers)
     {  document.captureEvents(Event.MOUSEUP); }
  document.onmouseup = mouseIsDown;
  }

function mouseIsDown(e)
  {
  var ev = (window.Event) ? e : window.event;
  if (ev.type == "mouseup")
     { ;}
  }

load0n = new Image(); load0n.src = "../../../grafik/navi/gebaude.gif";
load1n = new Image(); load1n.src = "../../../grafik/navi/museum.gif";
load2n = new Image(); load2n.src = "../../../grafik/navi/sammlung.gif";
load4n = new Image(); load4n.src = "../../../grafik/navi/service.gif";
load5n = new Image(); load5n.src = "../../../grafik/navi/intern.gif";
load6n = new Image(); load6n.src = "../../../grafik/navi/links.gif";
load7n = new Image(); load7n.src = "../../../grafik/navi/foerderer.gif";

load0o = new Image(); load0o.src = "../../../grafik/navi/gebaude0.gif";
load1o = new Image(); load1o.src = "../../../grafik/navi/museum0.gif";
load2o = new Image(); load2o.src = "../../../grafik/navi/sammlung0.gif";
load4o = new Image(); load4o.src = "../../../grafik/navi/service0.gif";
load5o = new Image(); load5o.src = "../../../grafik/navi/intern0.gif";
load6o = new Image(); load6o.src = "../../../grafik/navi/links0.gif";
load7o = new Image(); load7o.src = "../../../grafik/navi/foerderer0.gif";

var imageout  = new Array(load0n.src, load1n.src, load2n.src, load2n.src, load4n.src, load5n.src, load6n.src,load7n.src);
var imageover = new Array(load0o.src, load1o.src, load2o.src, load2n.src, load4o.src, load5o.src, load6o.src,load7o.src);

function out(NR)  { window.document.images[NR+1].src = imageout[NR];}
function over(NR) { window.document.images[NR+1].src = imageover[NR];}

function aktiv(i) 
{
activespan = i;
activesub = i;
show(activesub);
}

function show(i) 
{
if (document.all)
	{
	if (activespan != 'default')
		{
		var thisspan = eval(activespan+"sub.style");
		thisspan.visibility = "hidden";
		}
	if (i != 'default')
		{
		var thisspan = eval(i+"sub.style");
		thisspan.visibility = "visible";
		}
	}
else if (document.layers) 
	{
	if (activespan != 'default')
		{
		var thisspan = eval("document."+activespan+"sub");
		thisspan.visibility = "hidden";
		}
	if (i != 'default')
		{
		var thisspan = eval("document."+i+"sub");
		thisspan.visibility = "show"; 
		}
	}
activespan=i;
}


var fenster;

// Fenster zentrieren
function zentrieren(b, h) {
    var intX = 0;
    var intY = 0; 
	if ( navigator.appName.indexOf("Netscape") > -1 ){
		intX = Math.round(screen.availHeight / 2 - (b / 2));
		intY = Math.round(screen.availWidth / 2 - (h / 2 ));
	} else {
		intX = window.screenTop + 40;
		intY = window.screenLeft + 100;
	}
	return"top=" + String(intX) + ",left=" + String(intY);
}

function LanguageInfo(i) 
	{
	if (fenster && !fenster.closed)
		fenster.close();

	if (i == '                ') {breite = +60; hoehe = +50; fenster=window.open(i+".htm", "popup","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width="+breite+",height="+hoehe+","+zentrieren(breite, hoehe));}

// englisch
	if (i == 'english')  {breite = 620; hoehe = 490; fenster=window.open("/html/sub/english/"+i+".htm", "popup","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width="+breite+",height="+hoehe+","+zentrieren(breite, hoehe));}
	fenster.focus();
	}