var swfSizeScript = "http://www.autogenau.de/js_inc/ajax.swfsize.php";
var fileLoadingImage = "http://www.autogenau.de/images/loading.gif";
var fileBottomNavCloseImage = "http://www.autogenau.de/images/closelabel.gif";
var resizeSpeed = 7;
var borderSize = 10;
var imageArray = new Array;
var activeImage;
var SWFwidth;
var SWFheight;
var overrideAjax = false;
if (resizeSpeed > 10) {
	resizeSpeed = 10;
}
if (resizeSpeed < 1) {
	resizeSpeed = 1;
}
resizeDuration = (11 - resizeSpeed) * 0.15;
var ajaxprocessing = false;
var ajax = null;
try {
	ajax = new XMLHttpRequest();
}
catch(e1) {
	try {
		ajax = new ActiveXObject("Msxml2.XMLHTTP");
	}
	catch(e2) {
		try {
			ajax = new ActiveXObject("Microsoft.XMLHTTP");
		}
		catch(e3) {
			ajax = null;
		}
	}
}
Object.extend(Element, {
	getWidth: function (element) {
		element = $(element);
		return element.offsetWidth;
	},
	setWidth: function (element, w) {
		element = $(element);
		element.style.width = w + "px";
	},
	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;
	},
	setHref: function (element, href) {
		element = $(element);
		element.href = href;
	},
	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();
	}
}
String.prototype.endsWith = function (text) {
	return this.substring(this.length - text.length).toLowerCase() == text;
}
String.prototype.startsWith = function (text) {
	return this.substring(0, text.length).toLowerCase() == text;
}
var Lightbox = Class.create();
Lightbox.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('lightbox'))) {
				anchor.onclick = function () {
					myLightbox.start(this);
					return false;
				}
			}
		}

		var objBody = document.getElementsByTagName("body").item(0);
		var objOverlay = document.createElement("div");
		objOverlay.setAttribute('id', 'overlay');
		objOverlay.style.display = 'none';
		objOverlay.onclick = function () {
			myLightbox.end();
			return false;
		}
		objBody.appendChild(objOverlay);
		var objLightbox = document.createElement("div");
		objLightbox.setAttribute('id', 'lightbox');
		objLightbox.style.display = 'none';
		objBody.appendChild(objLightbox);
		var objOuterImageContainer = document.createElement("div");
		objOuterImageContainer.setAttribute('id', 'outerImageContainer');
		objLightbox.appendChild(objOuterImageContainer);
		var objImageContainer = document.createElement("div");
		objImageContainer.setAttribute('id', 'imageContainer');
		objOuterImageContainer.appendChild(objImageContainer);
		var objLightboxImage = document.createElement("div");
		objLightboxImage.setAttribute('id', 'lightboxImage');
		objImageContainer.appendChild(objLightboxImage);
		var objLightboxImageImg = document.createElement("img");
		objLightboxImageImg.setAttribute('id', 'lightboxImageImg');
		objLightboxImageImg.style.display = 'none';
		objLightboxImage.appendChild(objLightboxImageImg);
		var objLightboxImageSwf = document.createElement("div");
		objLightboxImageSwf.setAttribute('id', 'lightboxImageSwf');
		objLightboxImageSwf.setAttribute('style', 'display: none');
		objLightboxImage.appendChild(objLightboxImageSwf);
		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 () {
			myLightbox.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';
		objLightbox.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 () {
			myLightbox.end();
			return false;
		}
		objBottomNav.appendChild(objBottomNavCloseLink);
		var objBottomNavCloseImage = document.createElement("img");
		objBottomNavCloseImage.setAttribute('src', fileBottomNavCloseImage);
		objBottomNavCloseLink.appendChild(objBottomNavCloseImage);
	},
	start: function (imageLink) {
		hideSelectBoxes();
		var arrayPageSize = getPageSize();
		Element.setHeight('overlay', arrayPageSize[1]);
		new Effect.Appear('overlay', {
			duration: 0.2,
			from: 0.0,
			to: 0.8
		});
		imageArray = [];
		imageNum = 0;
		if (!document.getElementsByTagName) {
			return;
		}
		var anchors = document.getElementsByTagName('a');
		if ((imageLink.getAttribute('rel') == 'lightbox')) {
			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 lightboxTop = arrayPageScroll[1] + (arrayPageSize[3] / 15);
		Element.setTop('lightbox', lightboxTop);
		Element.show('lightbox');
		this.changeImage(imageNum);
	},
	changeImage: function (imageNum) {
		activeImage = imageNum;
		Element.show('loading');
		Element.hide('lightboxImage');
		Element.hide('hoverNav');
		Element.hide('prevLink');
		Element.hide('nextLink');
		Element.hide('imageDataContainer');
		Element.hide('numberDisplay');
		if (imageArray[activeImage][0].endsWith('swf')) {
			$('lightboxImageSwf').style.display = 'block';
			$('lightboxImageImg').style.display = 'none';
			this.loadSwf();
		} else {
			imgPreloader = new Image();
			imgPreloader.onload = function () {
				Element.setSrc('lightboxImageImg', imageArray[activeImage][0]);
				$('lightboxImageSwf').style.display = 'none';
				$('lightboxImageImg').style.display = 'inline';
				myLightbox.resizeImageContainer(imgPreloader.width, imgPreloader.height);
			}
			imgPreloader.src = imageArray[activeImage][0];
		}
	},
	resizeImageContainer: function (imgWidth, imgHeight) {
		this.wCur = Element.getWidth('outerImageContainer');
		this.hCur = Element.getHeight('outerImageContainer');
		this.xScale = ((imgWidth + (borderSize * 2)) / this.wCur) * 100;
		this.yScale = ((imgHeight + (borderSize * 2)) / this.hCur) * 100;
		wDiff = (this.wCur - borderSize * 2) - imgWidth;
		hDiff = (this.hCur - borderSize * 2) - imgHeight;
		if (! (hDiff == 0)) {
			new Effect.Scale('outerImageContainer', this.yScale, {
				scaleX: false,
				duration: resizeDuration,
				queue: 'front'
			});
		}
		if (! (wDiff == 0)) {
			new Effect.Scale('outerImageContainer', this.xScale, {
				scaleY: false,
				delay: resizeDuration,
				duration: resizeDuration
			});
		}
		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));
		$(imageArray[activeImage][0].endsWith('swf') ? 'lightboxImageImg': 'lightboxImageSwf').style.display = 'none';
		this.showImage();
	},
	loadSwf: function () {
		var imgUrl = imageArray[activeImage][0];
		if (imgUrl.startsWith("/")) {
			imgUrl = window.location.protocol + "//" + window.location.host + imgUrl;
		} else if (!imgUrl.startsWith(window.location.protocol)) {
			var base = window.location.href.substring(0, window.location.href.lastIndexOf('/') + 1);
			imgUrl = base + imgUrl;
		}
		try {
			ajax.open('get', swfSizeScript + '?swfurl=' + escape(imgUrl));
			ajax.onreadystatechange = myLightbox.handleResponse;
			ajax.send(null);
		}
		catch(e) {
			overrideAjax = true;
			myLightbox.handleResponse();
		}
	},
	handleResponse: function () {
		if (ajax.readyState == 4 || overrideAjax) {
			var response;
			try {
				response = ajax.responseText;
			}
			catch(e) {}
			SWFwidth = 550;
			SWFheight = 400;
			if (response != null) {
				if (response.indexOf('|' != -1)) {
					var whArray = response.split('|');
					SWFwidth = whArray[0] * 1;
					SWFheight = whArray[1] * 1;
				}
				if (isNaN(SWFwidth) || isNaN(SWFheight)) {
					SWFwidth = 550;
					SWFheight = 400;
				}
			}
			var obj = $('lightboxImageSwf');
			obj.innerHTML = "<div id=\"fCont\"><OBJECT class=\"jsembed\" classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" codebase=\"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0\"" + "WIDTH=\"" + SWFwidth + "\" HEIGHT=\"" + SWFheight + "\">" + "<PARAM NAME=\"allowScriptAccess\" VALUE=\"never\">" + "<PARAM NAME=\"allowNetworking\" VALUE=\"never\">" + "<PARAM NAME=\"movie\" VALUE=\"" + imageArray[activeImage][0] + "\" id=\"src2\">" + "<PARAM NAME=\"quality\" VALUE=\"high\">" + "<EMBED id=\"lightboxImageEmbed\" class=\"jsembed\" src=\"" + imageArray[activeImage][0] + "\" quality=\"high\" WIDTH=\"" + SWFwidth + "\" HEIGHT=\"" + SWFheight + "\" ALIGN=\"center\" TYPE=\"application/x-shockwave-flash\" PLUGINSPAGE=\"http://www.macromedia.com/go/getflashplayer\">" + "</EMBED></OBJECT></div>";
			myLightbox.resizeImageContainer(SWFwidth, SWFheight);
		}
	},
	showImage: function () {
		Element.hide('loading');
		new Effect.Appear('lightboxImage', {
			duration: 0.5,
			queue: 'end',
			afterFinish: function () {
				myLightbox.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);
		}
		new Effect.Parallel([new Effect.SlideDown('imageDataContainer', {
			sync: true,
			duration: resizeDuration + 0.25,
			from: 0.0,
			to: 1.0
		}), new Effect.Appear('imageDataContainer', {
			sync: true,
			duration: 1.0
		})], {
			duration: 0.65,
			afterFinish: function () {
				myLightbox.updateNav();
			}
		});
	},
	updateNav: function () {
		Element.show('hoverNav');
		if (activeImage != 0) {
			Element.show('prevLink');
			document.getElementById('prevLink').onclick = function () {
				myLightbox.changeImage(activeImage - 1);
				return false;
			}
		}
		if (activeImage != (imageArray.length - 1)) {
			Element.show('nextLink');
			document.getElementById('nextLink').onclick = function () {
				myLightbox.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')) {
			myLightbox.end();
		} else if (key == 'p') {
			if (activeImage != 0) {
				myLightbox.disableKeyboardNav();
				myLightbox.changeImage(activeImage - 1);
			}
		} else if (key == 'n') {
			if (activeImage != (imageArray.length - 1)) {
				myLightbox.disableKeyboardNav();
				myLightbox.changeImage(activeImage + 1);
			}
		}
	},
	preloadNeighborImages: function () {
		if ((imageArray.length - 1) > activeImage) {
			if (!imageArray[activeImage + 1][0].endsWith('swf')) {
				preloadNextImage = new Image();
				preloadNextImage.src = imageArray[activeImage + 1][0];
			}
		}
		if (activeImage > 0) {
			if (!imageArray[activeImage - 1][0].endsWith('swf')) {
				preloadPrevImage = new Image();
				preloadPrevImage.src = imageArray[activeImage - 1][0];
			}
		}
	},
	end: function () {
		var fCont = $('fCont');
		if (fCont != null) {
			fCont.innerHTML = '';
		}
		this.disableKeyboardNav();
		Element.hide('lightbox');
		new Effect.Fade('overlay', {
			duration: 0.2
		});
		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 initLightbox() {
	myLightbox = new Lightbox();
}
Event.observe(window, 'load', initLightbox, false);