// JavaScript Document BURG ZUG

function galerie(){	
	c = document.cookie;
	if(!c){
		fadeHG();
		document.getElementById('abdunkeln').style.display = 'block';
		setTimeout(zeigGalerieebene, 1500);	
}
	document.cookie = "besucht=ja";
}
var galerieAktiv = 0;
function zeigGalerieebene(){
	fadeGalerie();
	document.getElementById('maingalerie').style.display = 'block';	
	document.getElementById('schliessen').style.display = 'block';
	document.getElementById('center').style.display = 'none';
	galerieAktiv = 1;
	bildWechsel();
}

function zeigHintergrundbild(){	
	xOpacity = .01;
	self.scroll(0,0);
	fadeHG();	
	document.getElementById('abdunkeln').style.display = 'block';
	document.hintergrundbild.src = 'images/spacer.jpg';
	document.getElementById('hgbildoriginal').style.display = 'none';
	document.getElementById('mainhintergrundbild').style.display = 'block';	
	document.getElementById('schliessen').style.display = 'block';	
	document.hintergrundbild.src = 'images/hintergrund_original.jpg';
	setTimeout("zeigOriginalbild()", 3000);
}

function schliessen(){
	document.galeriebild.src = 'images/spacer.gif';	
	document.getElementById('abdunkeln').style.display = 'none';
	document.getElementById('maingalerie').style.display = 'none';
	document.getElementById('schliessen').style.display = 'none';	
	document.getElementById('mainhintergrundbild').style.display = 'none';	
	document.getElementById('center').style.display = 'block';
	galerieAktiv = 0;
}

function zeigOriginalbild(){
	document.getElementById('hgbildoriginal').style.display = 'block';
}

function scrollT(){
	document.all.kopf.scrollIntoView(true);
}
var xOpacity = .01;
var eOpacity = 0.8;

function fadeHG() {
	e = document.getElementById('abdunkeln');
	if(xOpacity < 0.79){
		setTimeout(fadeHG, 0.5);
		xOpacity += (eOpacity -xOpacity)/2 ;
		e.style.opacity = xOpacity;
		e.style.MozOpacity = xOpacity;
		e.style.filter = "alpha(opacity=" + (xOpacity*100) + ")";
	}
}

var gOpacity = .01;
var egOpacity = 1;
function fadeGalerie() {
	e = document.getElementById('centergalerie');
	if(gOpacity < 0.99){
		setTimeout(fadeGalerie, 0.5);
		gOpacity += (egOpacity - gOpacity)/2 ;
		e.style.opacity = gOpacity;
		e.style.MozOpacity = gOpacity;
		e.style.filter = "alpha(opacity=" + (gOpacity*100) + ")";
	}
}

var a;
	if (document.images)
	var maxBilder = 5 
	var BildNr = 1 

function bildWechsel(){
	bildname='images/introbilder/bild'+BildNr+'.jpg';
	document.galeriebild.src = bildname;
	BildNr++
	if (BildNr==(maxBilder+2))
	//BildNr = 1
	schliessen();
	if(galerieAktiv == 1){
		setTimeout("bildWechsel()", 3000);
	}
}

function drucken() {
if (window.print) {
		this.focus();
    	this.print();
    }else{
		alert("Um die Seite zu drucken, klicken Sie im Men� Datei auf drucken.");
	}
}

function mail(nam,adr){
	document.writeln("<a href=mailto:"+nam+"@"+adr+" onfocus=\"this.blur();\">"+nam+"@"+adr+"</a>");
}

function mail2(nam,adr,text){
	document.writeln("<a href=mailto:"+nam+"@"+adr+">"+text+"</a>");
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

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_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}