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];}
}


//Blendet den Zeittafel-Index ein bzw. aus
function makeVisibleBack() {
	var e = parent.document.getElementById("stationBack");
	e.style.visibility = "visible";
}
function hideBack() {
	var e = parent.document.getElementById("stationBack");
	e.style.visibility = "hidden";
}

//Blendet den Zeittafel-Index ein bzw. aus
function changeDisplay() {
	var e = parent.document.getElementById("zeittafel");
	e.style.display = "block";
}
function changeDisplayNone() {
	var e = parent.document.getElementById("zeittafel");
	e.style.display = "none";
}

/**********************************  Zeittafel-Script  **********************************/	
// Geschichte >> Zeittafel; diese Funktion läßt das ausgewählte Jahr aus dem Zeittafel-Index
// in der iFrame-Datei durch Ändern des CSS-Class FETT erscheinen.
function makeBold(d) {	
	// zuerst werden alle <td> auf normal zurückgesetzt
	var array = [];
	var tags = parent.inhalt.document.getElementsByTagName("TD");
	for (var i=0, len = tags.length; i<len; i++) {
		  array[array.length] = tags[i];
	}
	for (var j=0; j<array.length; j++) {
		if(array[j].className == "zeittafel_links_bold") {
		  array[j].className = "zeittafel_links";
		}
		if(array[j].className == "zeittafel_rechts_bold") {
		  array[j].className = "zeittafel_rechts";
		}
	}
	
	// hier weden die ausgewählten <td> auf anderes CSS-Fomat gesetzt
	if(!document.all) { // Mozilla & CO
		var e = parent.inhalt.document.getElementsByName(d);
		for(var k=0; k<e.length; k++) {
			if (e[k].className == "zeittafel_links") {
			  e[k].className = "zeittafel_links_bold";
			}
			if (e[k].className == "zeittafel_rechts") {
			  e[k].className = "zeittafel_rechts_bold";
			}
		}
	}
	if(document.all) { // IE workaround
		for(var k=0; k<array.length; k++) {
			if (array[k].className == "zeittafel_links" && array[k].name == d) {
			  array[k].className = "zeittafel_links_bold";
			}
			if (array[k].className == "zeittafel_rechts" && array[k].name == d) {
			  array[k].className = "zeittafel_rechts_bold";
			}
		}
	}
}

/**********************************  Galery-Script  **********************************/	
// You can modify these three values
var slideshow2_noFading = false;	// Just normal show/hide without fading ?
var slideshow2_timeBetweenSlides = 1500;	// Amount of time between each image(1000 = 1 second)
var slideshow2_fadingSpeed = 20;	// Speed of fading


/* Don't change any of these values */
var slideshow2_galleryHeigh;	// Height of galery	
var slideshow2_galleryContainer;	// Reference to the gallery div
var slideshow2_galleryWidth;	// Width of gallery	
var slideshow2_slideIndex = -1;	// Index of current image shown
var slideshow2_slideIndexNext = false;	// Index of next image shown
var slideshow2_imageDivs = new Array();	// Array of image divs(Created dynamically)
var slideshow2_currentOpacity = 100;	// Initial opacity
var slideshow2_imagesInGallery = false;	// Number of images in gallery

function getGalleryImageSize(imageIndex)
{
	if(imageIndex==slideshow2_imagesInGallery){			
		showGallery();
	}else{
		var imgObj = document.getElementById('galleryImage' + imageIndex);
		var imgWidth = imgObj.width;
		var imgHeight = imgObj.height;
		if(imgWidth>50){						
			var tmpDiv = document.createElement('DIV');
			tmpDiv.id = 'galleryDiv' + imageIndex;
			tmpDiv.style.visibility = 'hidden';
			tmpDiv.className='imageInGallery';
			slideshow2_galleryContainer.appendChild(tmpDiv);
			tmpDiv.appendChild(imgObj);
			imgObj.style.left = Math.round((slideshow2_galleryWidth - imgWidth)/2)  + "px";
			imgObj.style.top = Math.round((slideshow2_galleryHeight - imgHeight)/2)  + "px";
			tmpDiv.style.visibility = 'hidden';
			slideshow2_imageDivs.push(tmpDiv);
			imageIndex++;
			getGalleryImageSize(imageIndex);
		}else{
			setTimeout('getGalleryImageSize(' + imageIndex + ')',10);
		}
	}		
}

function showGallery()
{
	if(slideshow2_slideIndex==-1)slideshow2_slideIndex=0; else slideshow2_slideIndex++;	// Index of next image to show
	if(slideshow2_slideIndex==slideshow2_imageDivs.length)slideshow2_slideIndex=0;
	slideshow2_slideIndexNext = slideshow2_slideIndex+1;	// Index of the next next image
	if(slideshow2_slideIndexNext==slideshow2_imageDivs.length)slideshow2_slideIndexNext = 0;
	
	slideshow2_currentOpacity=100;	// Reset current opacity

	// Displaying image divs
	slideshow2_imageDivs[slideshow2_slideIndex].style.visibility = 'visible';
	var bildnr = document.getElementById("bildnr");  // zur Ausgabe der aktuellen Bildnummer
	bildnr.firstChild.nodeValue = "Bild " + (slideshow2_slideIndex+1);
	
	if(navigator.userAgent.indexOf('Opera')<0){
		slideshow2_imageDivs[slideshow2_slideIndexNext].style.visibility = 'visible';
		var bildnr = document.getElementById("bildnr");  // zur Ausgabe der aktuellen Bildnummer
		bildnr.firstChild.nodeValue = "Bild " + (slideshow2_slideIndex+1);
	}
	
	
	if(document.all){	// IE rules
		slideshow2_imageDivs[slideshow2_slideIndex].style.filter = 'alpha(opacity=100)';
		slideshow2_imageDivs[slideshow2_slideIndexNext].style.filter = 'alpha(opacity=1)';
	}else{
		slideshow2_imageDivs[slideshow2_slideIndex].style.opacity = 0.99;	// Can't use 1 and 0 because of screen flickering in FF
		slideshow2_imageDivs[slideshow2_slideIndexNext].style.opacity = 0.01;
	}		
	

	setTimeout('revealImage()',slideshow2_timeBetweenSlides);		
}

function revealImage()
{
	if(slideshow2_noFading){
		slideshow2_imageDivs[slideshow2_slideIndex].style.visibility = 'hidden';
		showGallery();
		return;
	}
	slideshow2_currentOpacity--;
	if(document.all){
		slideshow2_imageDivs[slideshow2_slideIndex].style.filter = 'alpha(opacity='+slideshow2_currentOpacity+')';
		slideshow2_imageDivs[slideshow2_slideIndexNext].style.filter = 'alpha(opacity='+(100-slideshow2_currentOpacity)+')';
	}else{
		slideshow2_imageDivs[slideshow2_slideIndex].style.opacity = Math.max(0.01,slideshow2_currentOpacity/100);	// Can't use 1 and 0 because of screen flickering in FF
		slideshow2_imageDivs[slideshow2_slideIndexNext].style.opacity = Math.min(0.99,(1 - (slideshow2_currentOpacity/100)));
	}
	if(slideshow2_currentOpacity>0){
		setTimeout('revealImage()',slideshow2_fadingSpeed);
	}else{
		slideshow2_imageDivs[slideshow2_slideIndex].style.visibility = 'hidden';			
		showGallery();
	}
}

function initImageGallery()
{
	slideshow2_galleryContainer = document.getElementById('imageSlideshowHolder');
	slideshow2_galleryWidth = slideshow2_galleryContainer.clientWidth;
	slideshow2_galleryHeight = slideshow2_galleryContainer.clientHeight;
	galleryImgArray = slideshow2_galleryContainer.getElementsByTagName('IMG');
	for(var no=0;no<galleryImgArray.length;no++){
		galleryImgArray[no].id = 'galleryImage' + no;
	}
	slideshow2_imagesInGallery = galleryImgArray.length;
	getGalleryImageSize(0);		
	
}

