// -----------------------------------------------------------------------------------
//
//	Lightbox v2.03.3
//	by Lokesh Dhakar - http://www.huddletogether.com
//	5/21/06
//
//  Video-Support added by
//  Steffen Muecke - http://www.quellkunst.de
//  2/5/08
//  using jeroen wijerings media player - http://www.jeroenwijering.com/
//  'swfobject.js' and media player file called 'jwplay.swf' have to be in the directory of this script.
//
//	For more information on this script, visit:
//	http://huddletogether.com/projects/lightbox2/
//
//	Licensed under the Creative Commons Attribution 2.5 License - http://creativecommons.org/licenses/by/2.5/
//	
//	Credit also due to those who have helped, inspired, and made their code available to the public.
//	Including: Scott Upton(uptonic.com), Peter-Paul Koch(quirksmode.com), Thomas Fuchs(mir.aculo.us), and others.
//
//  THIS IS A VERY MODIFIED VERSION OF LIGHTBOX!!!
//  if you want to use the original Lightbox, get your own copy, it's free!
//  thx, quellkunst.
//
// -----------------------------------------------------------------------------------

//
//	Configuration
//
var fileLoadingImage = "/img/lightbox/loading.gif";
var fileBottomNavCloseImage = "/img/lightbox/closelabel.gif";

var closeLightboxWithClickOnOverlay = false; // name says it - false | true

var overlayOpacity = 0.9; // controls transparency of overlay
var overlayDuration = 0.4; // overlay fade in/out duration

var animate = true; // toggles resizing animations
var resizeSpeed = 7; // controls the speed of the image resizing animations
// (1=slowest and 10=fastest)

var borderSize = 10; // if you adjust the padding in the CSS, you will need
// to update this variable

// -----------------------------------------------------------------------------------

//
// Global Variables
//
var imageArray = new Array;
var activeImage;
var loadVideoSupport = false;
var DOMLoaded = false;
var pathToSwf;
var videoCaption;

if (animate == true) {
	if (resizeSpeed > 10) {
		resizeSpeed = 10;
	}
	if (resizeSpeed < 1) {
		resizeSpeed = 1;
	}
	resizeDuration = (11 - resizeSpeed) * 0.15;
} else {
	overlayDuration = 0;
	resizeDuration = 0;
}

// -----------------------------------------------------------------------------------

//
// Lightbox Class Declaration
// - initialize() *changed
// - insertDOM() *new, contains most of the former initialize()
// - updateLinkList() *new, replaces updateImageList()
// - start() *changed, split up in 2 functions
// - start2() *changed
// - startVideo() *new
// - startVideo2() *new
// - changeImage()
// - setInitialSize() *new
// - resizeImageContainer() *changed
// - showImage()
// - showVideo() *new
// - updateDetails()
// - updateVideoDetails() *new
// - updateNav()
// - enableKeyboardNav()
// - disableKeyboardNav()
// - keyboardNavAction()
// - preloadNeighborImages()
// - end() *changed
//
// Structuring of code inspired by Scott Upton (http://www.uptonic.com/)
//
var Lightbox = Class.create();

Lightbox.prototype = {

	//
	// initialize()
	// Constructor runs on completion of the DOM loading. Calls updateLinkList
	// and decides,
	// if video support is needed or not.
	//
	initialize : function() {

		this.updateLinkList();

	},

	//
	// insertDOM()
	// Insert the needed DOM structure depending on the need for video support.
	//
	insertDOM : function(videoSupport) {
		// Code inserts html at the bottom of the page that looks similar to
		// this:
		// lines in BIG letters are only added when videoSupport is set to true.
		//
		// <div id="lbDOMStructure">
		// <SCRIPT TYPE="TEXT/JAVASCRIPT" LANGUAGE="JAVASCRIPT"
		// SRC="PATH/TO/jwplay.js"></SCRIPT>
		// <div id="overlay"></div>
		// <div id="lightbox">
		// <div id="outerImageContainer">
		// <div id="imageContainer">
		// <div id="videoContainer"></div>
		// <img id="lightboxImage">
		// <div style="" id="hoverNav">
		// <a href="#" id="prevLink"></a>
		// <a href="#" id="nextLink"></a>
		// </div>
		// <div id="loading">
		// <a href="#" id="loadingLink" title="close this box">
		// <img src="images/loading.gif">
		// </a>
		// </div>
		// </div>
		// </div>
		// <div id="imageDataContainer">
		// <div id="imageData">
		// <div id="imageDetails">
		// <span id="caption"></span>
		// <span id="numberDisplay"></span>
		// </div>
		// <div id="bottomNav">
		// <a href="#" id="bottomNavClose">
		// <img src="images/close.gif">
		// </a>
		// </div>
		// </div>
		// </div>
		// </div>
		// </div>

		if (DOMLoaded == true) {
			// if DOM was already loaded once, reset it
			// needed if video support state changed due to ajax inserts of rel
			// 'lightboxvideo'.
			Element.setInnerHTML('lbDOMStructure', '');
			// set lbDOMStructure as 'body' for the following elements
			var objBody = document.getElementById("lbDOMStructure");
		} else {
			// create the element 'lbDOMStructure'
			var objBody = document.getElementsByTagName("body").item(0);
			var objDOMStructure = document.createElement("div");
			objDOMStructure.setAttribute('id', 'lbDOMStructure');
			objBody.appendChild(objDOMStructure);
			// set lbDOMStructure as 'body' for the following elements
			objBody = objDOMStructure;
		}

		if (videoSupport == true) {
			// get path to jwplay.swf and swfobject.js - lying in the same
			// directory as this script
			var scripts = document.getElementsByTagName("script");
			for ( var i = 0; i < scripts.length; i++) {
				// loop through scripts to find 'lightbox.js'
				var scriptSrc = scripts[i].getAttribute('src');
				if (null != scriptSrc.match(/lightbox\.js$/)) {
					// fetch the path
					pathToSwf = scriptSrc.replace(/lightbox\.js$/, '');
					break;
				}
			}
			// include SWFObject.js
			var swfScript = document.createElement('script');
			swfScript.setAttribute('type', 'text/javascript');
			swfScript.setAttribute('language', 'javascript');
			swfScript.setAttribute('src', pathToSwf + 'swfobject.js');
			objBody.appendChild(swfScript);
		}

		// include rest of the structure
		var objOverlay = document.createElement("div");
		objOverlay.setAttribute('id', 'overlay');
		objOverlay.style.display = 'none';
		if (closeLightboxWithClickOnOverlay) { // close Lightbox if user clicks
			// shadow overlay - if set to
			// true
			objOverlay.onclick = function() {
				myLightbox.end();
			}
		}
		objBody.appendChild(objOverlay);

		var objLightbox = document.createElement("div");
		objLightbox.setAttribute('id', 'lightbox');
		objLightbox.style.display = 'none';
		if (closeLightboxWithClickOnOverlay) { // close Lightbox if user clicks
			// shadow overlay - if set to
			// true
			objLightbox.onclick = function(e) {
				if (!e)
					var e = window.event;
				var clickObj = Event.element(e).id;
				if (clickObj == 'lightbox') {
					myLightbox.end();
				}
			};
		}
		objBody.appendChild(objLightbox);

		var objOuterImageContainer = document.createElement("div");
		objOuterImageContainer.setAttribute('id', 'outerImageContainer');
		objLightbox.appendChild(objOuterImageContainer);

		// When Lightbox starts it will resize itself from 250 by 250 to the
		// current image dimension.
		// If animations are turned off, it will be hidden as to prevent a
		// flicker of a
		// white 250 by 250 box.
		this.setInitialSize();

		var objImageContainer = document.createElement("div");
		objImageContainer.setAttribute('id', 'imageContainer');
		objOuterImageContainer.appendChild(objImageContainer);

		var objVideoContainer = document.createElement("div");
		objVideoContainer.setAttribute('id', 'videoContainer');
		objImageContainer.appendChild(objVideoContainer);

		var objLightboxImage = document.createElement("img");
		objLightboxImage.setAttribute('id', 'lightboxImage');
		objImageContainer.appendChild(objLightboxImage);

		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.setAttribute('title', "box schliessen");
		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');
		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);
	},

	//
	// updateLinkList()
	// Loops through anchor tags looking for 'lightbox' AND 'lightboxvideo'
	// references and applies onclick
	// events to appropriate links. You can rerun after dynamically adding
	// images or videos w/ajax.
	//
	updateLinkList : function() {
		if (!document.getElementsByTagName) {
			return;
		}
		var anchors = document.getElementsByTagName('a');
		var areas = document.getElementsByTagName('area');
		var loopLength = anchors.length > areas.length ? anchors.length
				: areas.length;

		// loop through all anchor and area tags
		for ( var i = 0; i < loopLength; i++) {
			if (anchors[i]) {
				var anchor = anchors[i];
				var anchorRelAttribute = anchor.getAttribute('rel');
			}
			if (areas[i]) {
				var area = areas[i];
				var areaRelAttribute = area.getAttribute('rel');
			}

			// use the string.match() method to catch 'lightboxvideo' and
			// 'lightbox' references in the rel attribute
			// anchors
			if (null != anchorRelAttribute) {
				if (null != anchor.getAttribute('href')
						&& null != anchorRelAttribute.match(/^lightboxvideo/i)) {
					loadVideoSupport = true;
					anchor.onclick = function() {
						myLightbox.startVideo(this);
						return false;
					}
				} else if (null != anchor.getAttribute('href')
						&& null != anchorRelAttribute.match(/^lightbox/i)) {
					anchor.onclick = function() {
						myLightbox.start(this);
						return false;
					}
				}
			}
			// anreas
			if (null != areaRelAttribute) {
				if (null != area.getAttribute('href')
						&& null != areaRelAttribute.match(/^lightboxvideo/i)) {
					loadVideoSupport = true;
					area.onclick = function() {
						myLightbox.startVideo(this);
						return false;
					}
				} else if (null != area.getAttribute('href')
						&& null != areaRelAttribute.match(/^lightbox/i)) {
					area.onclick = function() {
						myLightbox.start(this);
						return false;
					}
				}
			}
		}

		// call insertDOM() with video support state
		this.insertDOM(loadVideoSupport);
	},

	//
	// start()
	// Display overlay and than callback to display lightbox.
	//
	start : function(imageLink) {

		hideSelectBoxes();
		hideFlash();
		Element.hide('videoContainer');

		// set initial size to outerImageContainer
		this.setInitialSize();

		// stretch overlay to fill page and fade in
		var arrayPageSize = getPageSize();
		Element.setWidth('overlay', arrayPageSize[0]);
		Element.setHeight('overlay', arrayPageSize[1]);

		// wait with displaying lightbox until overlay has finished
		new Effect.Appear('overlay', {
			duration :overlayDuration,
			from :0.0,
			to :overlayOpacity,
			afterFinish : function() {
				myLightbox.start2(imageLink);
			}
		});
	},

	//
	// start2()
	// Display lightbox. If image is part of a set, add siblings to imageArray.
	//
	start2 : function(imageLink) {
		imageArray = [];
		imageNum = 0;

		if (!document.getElementsByTagName) {
			return;
		}
		var anchors = document.getElementsByTagName(imageLink.tagName);

		// if image is NOT part of a set..
		if ((imageLink.getAttribute('rel') == 'lightbox')) {
			// add single image to imageArray
			imageArray.push(new Array(imageLink.getAttribute('href'), imageLink
					.getAttribute('title')));
		} else {
			// if image is part of a set..

			// loop through anchors, find other images in set, and add them to
			// imageArray
			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++;
			}
		}

		// calculate top and left offset for the lightbox
		var arrayPageSize = getPageSize();
		var arrayPageScroll = getPageScroll();
		var lightboxTop = arrayPageScroll[1] + (arrayPageSize[3] / 10);
		var lightboxLeft = arrayPageScroll[0];
		Element.setTop('lightbox', lightboxTop);
		Element.setLeft('lightbox', lightboxLeft);

		Element.show('lightbox');

		this.changeImage(imageNum);
	},

	//
	// startVideo()
	// Display overlay than callback to display lightbox. load the player.
	//
	startVideo : function(videoLink) {

		// hide what is to hide
		hideSelectBoxes();
		hideFlash();
		Element.hide('lightboxImage');
		Element.hide('hoverNav');
		Element.hide('prevLink');
		Element.hide('nextLink');
		Element.hide('imageDataContainer');
		Element.hide('caption');
		Element.hide('numberDisplay');
		Element.show('loading');

		// set initial size to outerImageContainer
		this.setInitialSize();

		// stretch overlay to fill page and fade in
		var arrayPageSize = getPageSize();
		Element.setWidth('overlay', arrayPageSize[0]);
		Element.setHeight('overlay', arrayPageSize[1]);
		new Effect.Appear('overlay', {
			duration :overlayDuration,
			from :0.0,
			to :overlayOpacity,
			afterFinish : function() {
				myLightbox.startVideo2(videoLink);
			}
		});
	},

	//
	// startVideo2()
	//
	startVideo2 : function(videoLink) {

		// get video properties
		videoCaption = videoLink.getAttribute('title')
		var videoSrc = videoLink.getAttribute('href');
		var videoVersion = 7; // version of flashplayer needed
		var videoSettings = new Array();
		var videoWidth, videoHeight;
		var fooSettings = videoLink.getAttribute('longdesc').split(";");
		for ( var i = 0; i < fooSettings.length; i++) {
			var foobar = fooSettings[i].split(":");
			// load required settings
			if (foobar[0].toLowerCase() == "width")
				videoWidth = parseInt(foobar[1]);
			else if (foobar[0].toLowerCase() == "height")
				videoHeight = parseInt(foobar[1]);
			// save all other parameters to a settings array
			else if (foobar[0])
				videoSettings.push(new Array(foobar[0].toLowerCase(), foobar[1]
						.toLowerCase()));
		}
		// create new SWFObject reference
		if (isNaN(videoWidth) || isNaN(videoHeight) || isNaN(videoVersion)) {
			return;
		}
		var swfVideo = new SWFObject(pathToSwf + 'flowplayer.swf', 'jwplay',
				videoWidth, videoHeight, "9", "#fff", true);
		swfVideo
				.addVariable(
						"config",
						"{width:'" + videoWidth
						+ "',height:'" + videoHeight
						+ "',videoFile:'" + videoSrc
						+ "',autoPlay:'false',autoBuffering:'true',initialScale:'fit',useNativeFullScreen:'true'}");
		// insert other parameters
		for ( var i = 0; i < videoSettings.length; i++) {
			swfVideo.addVariable(videoSettings[i][0], videoSettings[i][1]);
		}
		swfVideo.write('videoContainer');
		Element.setVisibility('jwplay', 'hidden');

		// calculate top and left offset for the lightbox
		var arrayPageSize = getPageSize();
		var arrayPageScroll = getPageScroll();
		var lightboxTop = arrayPageScroll[1] + (arrayPageSize[3] / 10);
		var lightboxLeft = arrayPageScroll[0];
		Element.setTop('lightbox', lightboxTop);
		Element.setLeft('lightbox', lightboxLeft);
		Element.show('lightbox');

		// resize image container
		this.resizeImageContainer(videoWidth, videoHeight, 'video');

	},

	//
	// changeImage()
	// Hide most elements and preload image in preparation for resizing image
	// container.
	//
	changeImage : function(imageNum) {

		activeImage = imageNum; // update global var

		// hide elements during transition
		if (animate) {
			Element.show('loading');
		}
		Element.hide('lightboxImage');
		Element.hide('hoverNav');
		Element.hide('prevLink');
		Element.hide('nextLink');
		Element.hide('imageDataContainer');
		Element.hide('numberDisplay');

		imgPreloader = new Image();

		// once image is preloaded, resize image container
		imgPreloader.onload = function() {
			Element.setSrc('lightboxImage', imageArray[activeImage][0]);
			myLightbox.resizeImageContainer(imgPreloader.width,
					imgPreloader.height, 'image');

			imgPreloader.onload = function() {
			}; // clear onLoad, IE behaves irratically with animated gifs
			// otherwise
		}
		imgPreloader.src = imageArray[activeImage][0];
	},

	//
	// setInitialSize()
	// set basic size of the outerImageContainer
	//
	setInitialSize : function() {
		if (animate) {
			Element.setWidth('outerImageContainer', 250);
			Element.setHeight('outerImageContainer', 250);
		} else {
			Element.setWidth('outerImageContainer', 1);
			Element.setHeight('outerImageContainer', 1);
		}
	},

	//
	// resizeImageContainer()
	//
	resizeImageContainer : function(imgWidth, imgHeight, proceedWith) {

		// get curren width and height
		this.widthCurrent = Element.getWidth('outerImageContainer');
		this.heightCurrent = Element.getHeight('outerImageContainer');

		// get new width and height
		var widthNew = (imgWidth + (borderSize * 2));
		var heightNew = (imgHeight + (borderSize * 2));

		// scalars based on change from old to new
		this.xScale = (widthNew / this.widthCurrent) * 100;
		this.yScale = (heightNew / this.heightCurrent) * 100;

		// calculate size difference between new and old image, and resize if
		// necessary
		wDiff = this.widthCurrent - widthNew;
		hDiff = this.heightCurrent - heightNew;

		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 new and old image are same size and no scaling transition is
		// necessary,
		// do a quick pause to prevent image flicker.
		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', widthNew);

		if (proceedWith.toLowerCase() == 'video')
			this.showVideo();
		else
			this.showImage();

	},

	//
	// showImage()
	// Display image and begin preloading neighbors.
	//
	showImage : function() {
		Element.hide('loading');
		new Effect.Appear('lightboxImage', {
			duration :resizeDuration,
			queue :'end',
			afterFinish : function() {
				myLightbox.updateDetails();
			}
		});
		this.preloadNeighborImages();
	},

	//
	// showVideo()
	// show it and display details
	//
	showVideo : function() {
		new Effect.Appear('videoContainer', {
			duration :resizeDuration,
			queue :'end',
			afterFinish : function() {
				Element.hide('loading');
				Element.setVisibility('jwplay', 'visible');
				myLightbox.updateVideoDetails();
			}
		});
	},

	//
	// updateDetails()
	// Display caption, image number, and bottom nav.
	//
	updateDetails : function() {

		// if caption is not null
		if (imageArray[activeImage][1]) {
			Element.show('caption');
			Element.setInnerHTML('caption', imageArray[activeImage][1]);
		}

		// if image is part of set display 'Image x of x'
		if (imageArray.length > 1) {
			Element.show('numberDisplay');
			Element.setInnerHTML('numberDisplay', "Image "
					+ eval(activeImage + 1) + " of " + imageArray.length);
		}

		new Effect.Parallel( [ new Effect.SlideDown('imageDataContainer', {
			sync :true,
			duration :resizeDuration,
			from :0.0,
			to :1.0
		}), new Effect.Appear('imageDataContainer', {
			sync :true,
			duration :resizeDuration
		}) ], {
			duration :resizeDuration,
			afterFinish : function() {
				// update overlay size and update nav
			var arrayPageSize = getPageSize();
			Element.setHeight('overlay', arrayPageSize[1]);
			Element.setHeight('imageDataContainer', 38);
			myLightbox.updateNav();
		}
		});
	},

	//
	// updateVideoDetails()
	//
	updateVideoDetails : function() {
		if (videoCaption != null) {
			Element.show('caption');
			Element.setInnerHTML('caption', videoCaption);
		}
		new Effect.Parallel( [ new Effect.SlideDown('imageDataContainer', {
			sync :true,
			duration :resizeDuration,
			from :0.0,
			to :1.0
		}), new Effect.Appear('imageDataContainer', {
			sync :true,
			duration :resizeDuration
		}) ], {
			duration :resizeDuration,
			afterFinish : function() {
				// update overlay size
			var arrayPageSize = getPageSize();
			Element.setHeight('overlay', arrayPageSize[1]);
			Element.setHeight('imageDataContainer', 38);
		}
		});

	},

	//
	// updateNav()
	// Display appropriate previous and next hover navigation.
	//
	updateNav : function() {

		Element.show('hoverNav');

		// if not first image in set, display prev image button
		if (activeImage != 0) {
			Element.show('prevLink');
			document.getElementById('prevLink').onclick = function() {
				myLightbox.changeImage(activeImage - 1);
				return false;
			}
		}

		// if not last image in set, display next image button
		if (activeImage != (imageArray.length - 1)) {
			Element.show('nextLink');
			document.getElementById('nextLink').onclick = function() {
				myLightbox.changeImage(activeImage + 1);
				return false;
			}
		}

		this.enableKeyboardNav();
	},

	//
	// enableKeyboardNav()
	//
	enableKeyboardNav : function() {
		document.onkeydown = this.keyboardAction;
	},

	//
	// disableKeyboardNav()
	//
	disableKeyboardNav : function() {
		document.onkeydown = '';
	},

	//
	// keyboardAction()
	//
	keyboardAction : function(e) {
		if (e == null) { // ie
			keycode = event.keyCode;
			escapeKey = 27;
		} else { // mozilla
			keycode = e.keyCode;
			escapeKey = e.DOM_VK_ESCAPE;
		}

		key = String.fromCharCode(keycode).toLowerCase();

		if ((key == 'x') || (key == 'o') || (key == 'c')
				|| (keycode == escapeKey)) { // close lightbox
			myLightbox.end();
		} else if ((key == 'p') || (keycode == 37)) { // display previous
			// image
			if (activeImage != 0) {
				myLightbox.disableKeyboardNav();
				myLightbox.changeImage(activeImage - 1);
			}
		} else if ((key == 'n') || (keycode == 39)) { // display next image
			if (activeImage != (imageArray.length - 1)) {
				myLightbox.disableKeyboardNav();
				myLightbox.changeImage(activeImage + 1);
			}
		}

	},

	//
	// preloadNeighborImages()
	// Preload previous and next images.
	//
	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()
	//
	end : function() {
		this.disableKeyboardNav();
		// unset videoContainer
		Element.setInnerHTML('videoContainer', '');
		Element.hide('lightbox');
		new Effect.Fade('overlay', {
			duration :overlayDuration
		});
		showSelectBoxes();
		showFlash();
	}
}

// -----------------------------------------------------------------------------------

//
// Additional methods for Element added by SU, Couloir
// - further additions by Lokesh Dhakar (huddletogether.com)
// - further addition by Steffen Muecke (quellkunst.de)
//
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";
	},
	setLeft : function(element, l) {
		element = $(element);
		element.style.left = l + "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;
	},
	setVisibility : function(element, val) {
		element = $(element);
		element.style.visibility = val;
	}
});

// -----------------------------------------------------------------------------------

//
// Extending built-in Array object
// - array.removeDuplicates()
// - array.empty()
//
Array.prototype.removeDuplicates = function() {
	for (i = 0; i < this.length; i++) {
		for (j = this.length - 1; j > i; j--) {
			if (this[i][0] == this[j][0]) {
				this.splice(j, 1);
			}
		}
	}
}

// -----------------------------------------------------------------------------------

Array.prototype.empty = function() {
	for (i = 0; i <= this.length; i++) {
		this.shift();
	}
}

// -----------------------------------------------------------------------------------

//
// getPageScroll()
// Returns array with x,y page scroll values.
// Core code from - quirksmode.com
//
function getPageScroll() {

	var xScroll, yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
		xScroll = self.pageXOffset;
	} else if (document.documentElement && document.documentElement.scrollTop) { // Explorer
		// 6
		// Strict
		yScroll = document.documentElement.scrollTop;
		xScroll = document.documentElement.scrollLeft;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
		xScroll = document.body.scrollLeft;
	}

	arrayPageScroll = new Array(xScroll, yScroll)
	return arrayPageScroll;
}

// -----------------------------------------------------------------------------------

//
// getPageSize()
// Returns array with page width, height and window width, height
// Core code from - quirksmode.com
// Edit for Firefox by pHaez
//
function getPageSize() {

	var xScroll, yScroll;

	if (window.innerHeight && window.scrollMaxY) {
		xScroll = window.innerWidth + window.scrollMaxX;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight) { // all
		// but
		// Explorer
		// Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla
		// and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}

	var windowWidth, windowHeight;

	if (self.innerHeight) { // all except Explorer
		if (document.documentElement.clientWidth) {
			windowWidth = document.documentElement.clientWidth;
		} else {
			windowWidth = self.innerWidth;
		}
		windowHeight = self.innerHeight;
	} else if (document.documentElement
			&& document.documentElement.clientHeight) { // Explorer 6 Strict
		// Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}

	// for small pages with total height less then height of the viewport
	if (yScroll < windowHeight) {
		pageHeight = windowHeight;
	} else {
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if (xScroll < windowWidth) {
		pageWidth = xScroll;
	} else {
		pageWidth = windowWidth;
	}
	// console.log("pageWidth " + pageWidth)

	arrayPageSize = new Array(pageWidth, pageHeight, windowWidth, windowHeight)
	return arrayPageSize;
}

// -----------------------------------------------------------------------------------

//
// getKey(key)
// Gets keycode. If 'x' is pressed then it hides the lightbox.
//
function getKey(e) {
	if (e == null) { // ie
		keycode = event.keyCode;
	} else { // mozilla
		keycode = e.which;
	}
	key = String.fromCharCode(keycode).toLowerCase();

	if (key == 'x') {
	}
}

// -----------------------------------------------------------------------------------

//
// listenKey()
//
function listenKey() {
	document.onkeypress = getKey;
}

// ---------------------------------------------------

function showSelectBoxes() {
	var selects = document.getElementsByTagName("select");
	for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "visible";
	}
}

// ---------------------------------------------------

function hideSelectBoxes() {
	var selects = document.getElementsByTagName("select");
	for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "hidden";
	}
}

// ---------------------------------------------------

function showFlash() {
	var flashObjects = document.getElementsByTagName("object");
	for (i = 0; i < flashObjects.length; i++) {
		flashObjects[i].style.visibility = "visible";
	}

	var flashEmbeds = document.getElementsByTagName("embed");
	for (i = 0; i < flashEmbeds.length; i++) {
		flashEmbeds[i].style.visibility = "visible";
	}
}

// ---------------------------------------------------

function hideFlash() {
	var flashObjects = document.getElementsByTagName("object");
	for (i = 0; i < flashObjects.length; i++) {
		flashObjects[i].style.visibility = "hidden";
	}

	var flashEmbeds = document.getElementsByTagName("embed");
	for (i = 0; i < flashEmbeds.length; i++) {
		flashEmbeds[i].style.visibility = "hidden";
	}

}

// ---------------------------------------------------

//
// pause(numberMillis)
// Pauses code execution for specified time. Uses busy code, not good.
// Help from Ran Bar-On [ran2103@gmail.com]
//

function pause(ms) {
	var date = new Date();
	curDate = null;
	do {
		var curDate = new Date();
	} while (curDate - date < ms);
}
// ---------------------------------------------------

function initLightbox() {
	myLightbox = new Lightbox();
}
Event.observe(window, 'load', initLightbox, false);