// prototype-ultralite.js
var Class = {
	create: function(){
		return function(){
			this.initialize.apply(this, arguments);
		}
	}
};
Object.extend = function(destination, source){
	for (var property in source) destination[property] = source[property];
	return destination;
};
Function.prototype.bind = function(object){
	var __method = this;
	return function(){
		return __method.apply(object, arguments);
	}
};
if (!Array.prototype.forEach){
	Array.prototype.forEach = function(fn, bind){
		for(var i = 0; i < this.length ; i++) fn.call(bind, this[i], i);
	};
}
Array.prototype.each = Array.prototype.forEach;
String.prototype.camelize = function(){
	return this.replace(/-\D/gi, function(match){
		return match.charAt(match.length - 1).toUpperCase();
	});
};
var $A = function(iterable){
	var nArray = [];
	for (var i = 0; i < iterable.length; i++) nArray.push(iterable[i]);
	return nArray;
};
function $(){
	if (arguments.length == 1) return get$(arguments[0]);
	var elements = [];
	$c(arguments).each(function(el){
		elements.push(get$(el));
	});
	return elements;

	function get$(el){
		if (typeof el == 'string') el = document.getElementById(el);
		return el;
	}
};
if (!window.Element) var Element = {};
Object.extend(Element, {
	remove: function(element){
		element = $(element);
		element.parentNode.removeChild(element);
	},
	hasClassName: function(element, className){
		element = $(element);
		return !!element.className.match(new RegExp("\\b"+className+"\\b"));
	},
	addClassName: function(element, className){
		element = $(element);
		if (!Element.hasClassName(element, className)) element.className = (element.className+' '+className);
	},
	removeClassName: function(element, className){
		element = $(element);
		if (Element.hasClassName(element, className)) element.className = element.className.replace(className, '');
	}
});
document.getElementsByClassName = function(className){
	var elements = [];
	var all = document.getElementsByTagName('*');
	$A(all).each(function(el){
		if (Element.hasClassName(el, className)) elements.push(el);
	});
	return elements;
};

// moo.fx.ultralite.js
var fx = new Object();
fx.Base = function(){};
fx.Base.prototype = {
	setOptions: function(options){
		this.options = {duration: 500,onComplete: '',transition: fx.sinoidal}
		Object.extend(this.options, options || {});
	},
	step: function(){
		var time  = (new Date).getTime();
		if (time >= this.options.duration+this.startTime){
			this.now = this.to;
			clearInterval (this.timer);
			this.timer = null;
			if (this.options.onComplete) setTimeout(this.options.onComplete.bind(this), 10);
		}else{
			var Tpos = (time - this.startTime) / (this.options.duration);
			this.now = this.options.transition(Tpos) * (this.to-this.from) + this.from;
		}
		this.increase();
	},
	custom: function(from, to){
		if (this.timer != null) return;
		this.from = from;
		this.to = to;
		this.startTime = (new Date).getTime();
		this.timer = setInterval (this.step.bind(this), 13);
	},
	hide: function(){
		this.now = 0;
		this.increase();
	},
	clearTimer: function(){
		clearInterval(this.timer);
		this.timer = null;
	}
}
fx.Layout = Class.create();
fx.Layout.prototype = Object.extend(new fx.Base(), {
	initialize: function(el, options){
		this.el = $(el);
		this.el.style.overflow = "hidden";
		this.iniWidth = this.el.offsetWidth;
		this.iniHeight = this.el.offsetHeight;
		this.setOptions(options);
	}
});
fx.Height = Class.create();
Object.extend(Object.extend(fx.Height.prototype, fx.Layout.prototype), {	
	increase: function(){
		this.el.style.height = this.now + "px";
	},
	toggle: function(){
		if (this.el.offsetHeight > 0) this.custom(this.el.offsetHeight, 0);
		else this.custom(0, this.el.scrollHeight);
	}
});
fx.Width = Class.create();
Object.extend(Object.extend(fx.Width.prototype, fx.Layout.prototype), {	
	increase: function(){
		this.el.style.width = this.now + "px";
	},
	toggle: function(){
		if (this.el.offsetWidth > 0) this.custom(this.el.offsetWidth, 0);
		else this.custom(0, this.iniWidth);
	}
});
fx.Opacity = Class.create();
fx.Opacity.prototype = Object.extend(new fx.Base(), {
	initialize: function(el, options){
		this.el = $(el);
		this.now = 1;
		this.increase();
		this.setOptions(options);
	},
	increase: function(){
		if (this.now == 1 && (/Firefox/.test(navigator.userAgent))) this.now = 0.9999;
		this.setOpacity(this.now);
	},
	setOpacity: function(opacity){
		if (opacity == 0 && this.el.style.visibility != "hidden") this.el.style.visibility = "hidden";
		else if (this.el.style.visibility != "visible") this.el.style.visibility = "visible";
		if (window.ActiveXObject) this.el.style.filter = "alpha(opacity=" + opacity*100 + ")";
		this.el.style.opacity = opacity;
	},
	toggle: function(){
		if (this.now > 0) this.custom(1, 0);
		else this.custom(0, 1);
	}
});
fx.sinoidal = function(pos){return ((-Math.cos(pos*Math.PI)/2) + 0.5);}
fx.linear = function(pos){return pos;}
fx.cubic = function(pos){return Math.pow(pos, 3);}
fx.circ = function(pos){return Math.sqrt(pos);}

// ultralitebox.js
var fileLoadingImage = "/images/loading.gif";
var fileBottomNavCloseImage = "/images/closelabel.gif";
var resizeSpeed = 6;
var borderSize = 10;
var constrainSize = true;
var constrainKeepRatio = true;
var imageArray = new Array;
var activeImage;
if(resizeSpeed > 10){ resizeSpeed = 10;}
if(resizeSpeed < 1){ resizeSpeed = 1;}
resizeDuration = (11 - resizeSpeed) * 100;
Object.extend(Element, {
	hide: function(){
		for(var i = 0; i < arguments.length; i++){
			var element = $(arguments[i]);
			element.style.display = 'none';
		}
	},
	show: function(){
		for(var i = 0; i < arguments.length; i++){
			var element = $(arguments[i]);
			element.style.display = '';
		}
	},
	getWidth: function(element){element = $(element);return element.offsetWidth;},
	setWidth: function(element,w){element = $(element);element.style.width = w +"px";},
	getHeight: function(element){element = $(element);return element.offsetHeight;},
	setHeight: function(element,h){element = $(element);element.style.height = h +"px";},
	setTop: function(element,t){element = $(element);element.style.top = t +"px";},
	setSrc: function(element,src){element = $(element);element.src = src;},
	setInnerHTML: function(element,content){element = $(element);element.innerHTML = content;}
});
Array.prototype.removeDuplicates = function (){
	for(i = 1; i < this.length; i++){
		if(this[i][0] == this[i-1][0]){
			this.splice(i,1);
		}
	}
}
Array.prototype.empty = function(){
	for(i = 0; i <= this.length; i++){
		this.shift();
	}
}
var Ultrabox = Class.create();
Ultrabox.prototype = {
	initialize: function(){
		if (!document.getElementsByTagName){return;}
		var anchors = document.getElementsByTagName('a');
		for (var i=0; i<anchors.length; i++){
			var anchor = anchors[i];
			var relAttribute = String(anchor.getAttribute('rel'));
			if (anchor.getAttribute('href') && (relAttribute.toLowerCase().match('ultrabox'))){
				anchor.onclick = function () {myUltrabox.start(this); return false;}
			}
		}
		var objBody = document.getElementsByTagName("body").item(0);
		var objOverlay = document.createElement("div");
		objOverlay.setAttribute('id','overlay');
		objOverlay.onclick = function() { myUltrabox.end(); return false; }
		objBody.appendChild(objOverlay);
		var objUltrabox = document.createElement("div");
		objUltrabox.setAttribute('id','ultrabox');
		objUltrabox.style.display = 'none';
		objBody.appendChild(objUltrabox);
		var objOuterImageContainer = document.createElement("div");
		objOuterImageContainer.setAttribute('id','outerImageContainer');
		objUltrabox.appendChild(objOuterImageContainer);
		var objImageContainer = document.createElement("div");
		objImageContainer.setAttribute('id','imageContainer');
		objOuterImageContainer.appendChild(objImageContainer);
		var objUltraboxImage = document.createElement("img");
		objUltraboxImage.setAttribute('id','ultraboxImage');
		objImageContainer.appendChild(objUltraboxImage);
		var objHoverNav = document.createElement("div");
		objHoverNav.setAttribute('id','hoverNav');
		objImageContainer.appendChild(objHoverNav);
		var objPrevLink = document.createElement("a");
		objPrevLink.setAttribute('id','prevLink');
		objPrevLink.setAttribute('href','#');
		objHoverNav.appendChild(objPrevLink);
		var objNextLink = document.createElement("a");
		objNextLink.setAttribute('id','nextLink');
		objNextLink.setAttribute('href','#');
		objHoverNav.appendChild(objNextLink);
		var objLoading = document.createElement("div");
		objLoading.setAttribute('id','loading');
		objImageContainer.appendChild(objLoading);
		var objLoadingLink = document.createElement("a");
		objLoadingLink.setAttribute('id','loadingLink');
		objLoadingLink.setAttribute('href','#');
		objLoadingLink.onclick = function() { myUltrabox.end(); return false; }
		objLoading.appendChild(objLoadingLink);
		var objLoadingImage = document.createElement("img");
		objLoadingImage.setAttribute('src', fileLoadingImage);
		objLoadingLink.appendChild(objLoadingImage);
		var objImageDataContainer = document.createElement("div");
		objImageDataContainer.setAttribute('id','imageDataContainer');
		objImageDataContainer.className = 'clearfix';
		objUltrabox.appendChild(objImageDataContainer);
		var objImageData = document.createElement("div");
		objImageData.setAttribute('id','imageData');
		objImageDataContainer.appendChild(objImageData);
		var objImageDetails = document.createElement("div");
		objImageDetails.setAttribute('id','imageDetails');
		objImageData.appendChild(objImageDetails);
		var objCaption = document.createElement("span");
		objCaption.setAttribute('id','caption');
		objImageDetails.appendChild(objCaption);
		var objNumberDisplay = document.createElement("span");
		objNumberDisplay.setAttribute('id','numberDisplay');
		objImageDetails.appendChild(objNumberDisplay);
		var objBottomNav = document.createElement("div");
		objBottomNav.setAttribute('id','bottomNav');
		objImageData.appendChild(objBottomNav);
		var objBottomNavCloseLink = document.createElement("a");
		objBottomNavCloseLink.setAttribute('id','bottomNavClose');
		objBottomNavCloseLink.setAttribute('href','#');
		objBottomNavCloseLink.onclick = function(){myUltrabox.end();return false;}
		objBottomNav.appendChild(objBottomNavCloseLink);
		var objBottomNavCloseImage = document.createElement("img");
		objBottomNavCloseImage.setAttribute('src', fileBottomNavCloseImage);
		objBottomNavCloseLink.appendChild(objBottomNavCloseImage);
		overlayEffect = new fx.Opacity(objOverlay, { duration: 300 });	
		overlayEffect.hide();
		imageEffect = new fx.Opacity(objUltraboxImage, {duration: 350, onComplete: function(){imageDetailsEffect.custom(0,1);}});
		imageEffect.hide();
		imageDetailsEffect = new fx.Opacity('imageDataContainer', {duration: 400, onComplete: function(){navEffect.custom(0,1);}}); 
		imageDetailsEffect.hide();
		navEffect = new fx.Opacity('hoverNav', {duration: 100});
		navEffect.hide();
	},
	start: function(imageLink){	
		hideSelectBoxes();
		var arrayPageSize = getPageSize();
		Element.setHeight('overlay', arrayPageSize[1]);
		overlayEffect.custom(0,0.8);
		imageArray = [];
		imageNum = 0;		
		if(!document.getElementsByTagName){return;}
		var anchors = document.getElementsByTagName('a');
		if((imageLink.getAttribute('rel') == 'ultrabox')){
			imageArray.push(new Array(imageLink.getAttribute('href'), imageLink.getAttribute('title')));			
		}else{
			for (var i=0; i<anchors.length; i++){
				var anchor = anchors[i];
				if (anchor.getAttribute('href') && (anchor.getAttribute('rel') == imageLink.getAttribute('rel'))){
					imageArray.push(new Array(anchor.getAttribute('href'), anchor.getAttribute('title')));
				}
			}
			imageArray.removeDuplicates();
			while(imageArray[imageNum][0] != imageLink.getAttribute('href')) {imageNum++;}
		}
		var arrayPageSize = getPageSize();
		var arrayPageScroll = getPageScroll();
		var ultraboxTop = arrayPageScroll[1] + (arrayPageSize[3] / 15);
		Element.setTop('ultrabox', ultraboxTop);
		Element.show('ultrabox');
		this.changeImage(imageNum);
	},
	changeImage: function(imageNum){
		activeImage = imageNum;
		Element.show('loading');
		imageDetailsEffect.hide();
		imageEffect.hide();
		navEffect.hide();
		Element.hide('prevLink');
		Element.hide('nextLink');
		Element.hide('numberDisplay');
		imgPreloader = new Image();
		imgPreloader.onload=function(){
			Element.setSrc('ultraboxImage', imageArray[activeImage][0]);
			myUltrabox.resizeImageContainer(imgPreloader.width, imgPreloader.height);
		}
		imgPreloader.src = imageArray[activeImage][0];
	},
	resizeImageContainer: function( imgWidth, imgHeight){
		if (constrainSize){
			var arrayPageSize = getPageSize();
			var maxImgWidth = Math.round(arrayPageSize[2] * 0.85);
			var maxImgHeight = Math.round(arrayPageSize[3] * 0.85) - 30;
			if(constrainKeepRatio){
				var scaleWidth = 1.0 * maxImgWidth / imgWidth;
				var scaleHeight = 1.0 * maxImgHeight / imgHeight;
				if (scaleWidth < 1 && scaleHeight < 1){
					if(scaleWidth < scaleHeight){
						imgWidth = maxImgWidth;
						imgHeight = Math.round(imgHeight * scaleWidth);
					}else{
						imgWidth = Math.round(imgWidth * scaleHeight);
						imgHeight = maxImgHeight;
					}
				}else if(scaleWidth < 1){
					imgWidth = maxImgWidth;
					imgHeight = Math.round(imgHeight * scaleWidth);
				}else if(scaleHeight < 1){
					imgWidth = Math.round(imgWidth * scaleHeight);
					imgHeight = maxImgHeight;
				}
			}else{
				imgWidth = (imgWidth > maxImgWidth) ? maxImgWidth : imgWidth;
				imgHeight = (imgHeight > maxImgHeight) ? maxImgHeight : imgHeight;
			}
			imgWidth = (imgWidth > maxImgWidth) ? maxImgWidth : imgWidth;
			imgHeight = (imgHeight > maxImgHeight) ? maxImgHeight : imgHeight;
			Element.setWidth('ultraboxImage', imgWidth);
			Element.setHeight('ultraboxImage', imgHeight);
		}
		this.wCur = Element.getWidth('outerImageContainer');
		this.hCur = Element.getHeight('outerImageContainer');
		wDiff = (this.wCur - borderSize * 2) - imgWidth;
		hDiff = (this.hCur - borderSize * 2) - imgHeight;
		reHeight = new fx.Height('outerImageContainer', { duration: resizeDuration });
		reHeight.custom(Element.getHeight('outerImageContainer'),imgHeight+(borderSize*2));
		reWidth = new fx.Width('outerImageContainer', { duration: resizeDuration, onComplete: function() { imageEffect.custom(0,1); }});
		reWidth.custom(Element.getWidth('outerImageContainer'),imgWidth+(borderSize*2));
		if((hDiff == 0) && (wDiff == 0)){
			if(navigator.appVersion.indexOf("MSIE")!=-1){pause(250);}else{pause(100);}
		}
		Element.setHeight('prevLink', imgHeight);
		Element.setHeight('nextLink', imgHeight);
		Element.setWidth( 'imageDataContainer', imgWidth + (borderSize * 2));
		Element.setWidth( 'hoverNav', imgWidth + (borderSize * 2));
		this.showImage();
	},
	showImage: function(){
		Element.hide('loading');
		myUltrabox.updateDetails(); 
		this.preloadNeighborImages();
	},
	updateDetails: function(){
		Element.show('caption');
		Element.setInnerHTML( 'caption', imageArray[activeImage][1]);
		if(imageArray.length > 1){
			Element.show('numberDisplay');
			Element.setInnerHTML( 'numberDisplay', "Bild " + eval(activeImage + 1) + " von " + imageArray.length);
		}
		myUltrabox.updateNav();
	},
	updateNav: function(){
		if(activeImage != 0){
			Element.show('prevLink');
			document.getElementById('prevLink').onclick = function(){myUltrabox.changeImage(activeImage - 1); return false;}
		}
		if(activeImage != (imageArray.length - 1)){
			Element.show('nextLink');
			document.getElementById('nextLink').onclick = function(){myUltrabox.changeImage(activeImage + 1); return false;}
		}
		this.enableKeyboardNav();
	},
	enableKeyboardNav: function(){document.onkeydown = this.keyboardAction;},
	disableKeyboardNav: function(){document.onkeydown = '';},
	keyboardAction: function(e){
		if (e == null){
			keycode = event.keyCode;
		}else{
			keycode = e.which;
		}
		key = String.fromCharCode(keycode).toLowerCase();
		if((key == 'x') || (key == 'o') || (key == 'c')){
			myUltrabox.end();
		}else if(key == 'p'){
			if(activeImage != 0){
				myUltrabox.disableKeyboardNav();
				myUltrabox.changeImage(activeImage - 1);
			}
		}else if(key == 'n'){
			if(activeImage != (imageArray.length - 1)){
				myUltrabox.disableKeyboardNav();
				myUltrabox.changeImage(activeImage + 1);
			}
		}
	},
	preloadNeighborImages: function(){

		if((imageArray.length - 1) > activeImage){
			preloadNextImage = new Image();
			preloadNextImage.src = imageArray[activeImage + 1][0];
		}
		if(activeImage > 0){
			preloadPrevImage = new Image();
			preloadPrevImage.src = imageArray[activeImage - 1][0];
		}
	
	},
	end: function(){
		this.disableKeyboardNav();
		Element.hide('ultrabox');
		imageEffect.toggle();
		overlayEffect.custom(0.8,0);
		showSelectBoxes();
	}
}
function getPageScroll(){
	var yScroll;
	if (self.pageYOffset){
		yScroll = self.pageYOffset;
	}else if (document.documentElement && document.documentElement.scrollTop){
		yScroll = document.documentElement.scrollTop;
	}else if (document.body){
		yScroll = document.body.scrollTop;
	}
	arrayPageScroll = new Array('',yScroll) 
	return arrayPageScroll;
}
function getPageSize(){
	var xScroll, yScroll;
	if (window.innerHeight && window.scrollMaxY){	
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	}else if (document.body.scrollHeight > document.body.offsetHeight){
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	}else {
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	var windowWidth, windowHeight;
	if (self.innerHeight){
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	}else if (document.documentElement && document.documentElement.clientHeight){
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	}else if (document.body) {
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	}else{ 
		pageHeight = yScroll;
	}
	if(xScroll < windowWidth){	
		pageWidth = windowWidth;
	}else{
		pageWidth = xScroll;
	}
	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}
function getKey(e){
	if(E == null){
		keycode = event.keyCode;
	}else{
		keycode = e.which;
	}
	key = String.fromCharCode(keycode).toLowerCase();
	if(key == 'x'){}
}
function listenKey(){document.onkeypress = getKey;}
function showSelectBoxes(){
	selects = document.getElementsByTagName("select");
	for(i = 0; i != selects.length; i++){
		selects[i].style.visibility = "visible";
	}
}
function hideSelectBoxes(){
	selects = document.getElementsByTagName("select");
	for(i = 0; i != selects.length; i++){
		selects[i].style.visibility = "hidden";
	}
}
function pause(numberMillis){
	var now = new Date();
	var exitTime = now.getTime() + numberMillis;
	while(true){
		now = new Date();
		if (now.getTime() > exitTime)
			return;
	}
}
function initUltrabox(){myUltrabox = new Ultrabox();}