// -----------------------------------------------------------------------------------
//
//	Lightbox v2.03.3
//	by Lokesh Dhakar - http://www.huddletogether.com
//	5/21/06
//
//	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.
//
//
// -----------------------------------------------------------------------------------

/*

	Table of Contents
	-----------------
	Configuration
	Global Variables

	Extending Built-in Objects	
	- Object.extend(Element)
	- Array.prototype.removeDuplicates()
	- Array.prototype.empty()

	Lightbox Class Declaration
	- initialize()
	- updateImageList()
	- start()
	- changeImage()
	- resizeImageContainer()
	- showImage()
	- updateDetails()
	- updateNav()
	- enableKeyboardNav()
	- disableKeyboardNav()
	- keyboardAction()
	- preloadNeighborImages()
	- end()
	
	Miscellaneous Functions
	- getPageScroll()
	- getPageSize()
	- getKey()
	- listenKey()
	- showSelectBoxes()
	- hideSelectBoxes()
	- showFlash()
	- hideFlash()
	- pause()
	- initLightbox()
	
	Function Calls
	- addLoadEvent(initLightbox)
	
*/
// -----------------------------------------------------------------------------------

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

var overlayOpacity = 0.8;	// controls transparency of shadow overlay

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
var clearWidth = 10;
var clearHeight = 10;

var groupRel; // The rel attribute of the image group
var oldTop = -1000;

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

//
//	Global Variables
//
var imageArray = new Array;
var activeImage;

if(animate == true){
	overlayDuration = 0.2;	// shadow fade in/out duration
	if(resizeSpeed > 10){ resizeSpeed = 10;}
	if(resizeSpeed < 1){ resizeSpeed = 1;}
	resizeDuration = (11 - resizeSpeed) * 0.15;
} else { 
	overlayDuration = 0;
	resizeDuration = 0;
}

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

//
//	Additional methods for Element added by SU, Couloir
//	- further additions by Lokesh Dhakar (huddletogether.com)
//
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;
	}
});

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

//
//	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();
	}
}

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

//
//	Lightbox Class Declaration
//	- initialize()
//	- start()
//	- changeImage()
//	- resizeImageContainer()
//	- showImage()
//	- updateDetails()
//	- updateNav()
//	- enableKeyboardNav()
//	- disableKeyboardNav()
//	- keyboardNavAction()
//	- preloadNeighborImages()
//	- end()
//
//	Structuring of code inspired by Scott Upton (http://www.uptonic.com/)
//
var Lightbox = Class.create();

Lightbox.prototype = {
	nextImg: 'img/lightbox/scNext.gif',
	prevImg: 'img/lightbox/scPrev.gif',
	playImg: 'img/lightbox/scPlay.gif',
	pauseImg: 'img/lightbox/scPause.gif',
	closeImg: 'img/lightbox/closelabel.gif',
	slideShow: false,
	slideShowUpdater: null,
	slideShowInterval: 3,
	boundary: null,
	loading: false,
	showFullImageHandler: null,
	showFullImageHandlerActive: false,
	// initialize()
	// Constructor runs on completion of the DOM loading. Calls updateImageList and then
	// the function inserts html at the bottom of the page which is used to display the shadow 
	// overlay and the image container.
	//
	initialize: function() {	
		
		this.updateImageList();

		// Code inserts html at the bottom of the page that looks similar to this:
		//
		//	<div id="overlay"></div>
		//	<div id="lightbox">
		//		<div id="outerImageContainer">
		//			<div id="imageContainer">
		//				<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">
		//						<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>


		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(); }
		objBody.appendChild(objOverlay);
		
		var objLightbox = document.createElement("div");
		objLightbox.setAttribute('id','lightbox');
		objLightbox.style.display = 'none';
		objLightbox.onclick = function(e) {	// close Lightbox is user clicks shadow overlay
			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.
		if(animate){
			Element.setWidth('outerImageContainer', 250);
			Element.setHeight('outerImageContainer', 250);			
		} else {
			Element.setWidth('outerImageContainer', 1);
			Element.setHeight('outerImageContainer', 1);			
		}

		var objImageContainer = document.createElement("div");
		objImageContainer.setAttribute('id','imageContainer');
		objOuterImageContainer.appendChild(objImageContainer);
	
		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("div");
		//objPrevLink.setAttribute('id','prevLink');
		var objPrevLink = document.createElement('img');
		objPrevLink.setAttribute('src', this.prevImg);
		objPrevLink.setAttribute('id','prevLink');
		// removed -
		//objPrevLink.setAttribute('href','#');
		//objHoverNav.appendChild(objPrevLink);
		// /removed -
		
		//var objNextLink = document.createElement("div");
		var objNextLink = document.createElement('img');
		objNextLink.setAttribute('src', this.nextImg);
		objNextLink.setAttribute('id','nextLink');
		// removed -
		//objNextLink.setAttribute('href','#');
		// objHoverNav.appendChild(objNextLink);
		// /removed -
		
		var objPlayPauseLink = document.createElement('img');
		objPlayPauseLink.setAttribute('id','playPause');
		objPlayPauseLink.setAttribute('src', this.playImg);
		$(objPlayPauseLink).addClassName('play');
		Event.observe(objPlayPauseLink, 'click', 
			this.slideShowToggle.bindAsEventListener(this));
	
		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');
		objLightbox.appendChild(objImageDataContainer);

		var objImageData = document.createElement("div");
		objImageData.setAttribute('id','imageData');
		objImageDataContainer.appendChild(objImageData);
	
		var objImageDetails = document.createElement("div");
		objImageDetails.setAttribute('id','imageDetails');
		objImageDetails.style.display = 'none';
		/*objImageDetails.setStyle({
			display: 'none'
		});*/
		objImageData.appendChild(objImageDetails);
	
		var objLeftData = document.createElement('div');
		objLeftData.setAttribute('id', 'leftData');
		var objRightData = document.createElement('div');
		objRightData.setAttribute('id', 'rightData');
	
		var objCaption = document.createElement('div');
		objCaption.setAttribute('id','caption');
		objLeftData.appendChild(objCaption);
		
		var objNumberDisplay = document.createElement('div');
		objNumberDisplay.setAttribute('id', 'numberDisplay');
		objLeftData.appendChild(objNumberDisplay);
		
		
		
		
		var objBottomNav = document.createElement("div");
		objBottomNav.setAttribute('id','bottomNav');
		objRightData.appendChild(objBottomNav);
	
		var objBottomNavCloseLink = document.createElement('img');
		objBottomNavCloseLink.setAttribute('id','bottomNavClose');
		objBottomNavCloseLink.setAttribute('src','img/lightbox/closelabel.gif');
		// removed -
		//objBottomNavCloseLink.setAttribute('href','#');
		// /removed -
		objBottomNavCloseLink.onclick = function() { myLightbox.end(); return false; }
		
		
		// added - 
		objBottomNav.appendChild(objPrevLink);
		objBottomNav.appendChild(objPlayPauseLink);
		objBottomNav.appendChild(objNextLink);
		objBottomNav.appendChild(objBottomNavCloseLink);
		
		var objSlideShowExplanation = document.createElement('span');
		objSlideShowExplanation.innerHTML = 'Interval: ';
		
		var objSlideShowContainer = document.createElement('div');
		objSlideShowContainer.setAttribute('id', 'slideShowContainer');
		
		var objSlideShowInterval = document.createElement('select');
		for(var i = 1; i <= 10; ++i) {
			var o = document.createElement('option');
			if (i == this.slideShowInterval) {
				o.setAttribute('selected', 'selected');
			}
			o.innerHTML = i;
			
			objSlideShowInterval.appendChild(o);
		}
		objSlideShowContainer.appendChild(objSlideShowExplanation);
		objSlideShowContainer.appendChild(objSlideShowInterval);
		Event.observe(
			objSlideShowInterval, 
			'change', 
			this.slideShowSelectChanged.bindAsEventListener(this)
		);
		
		
		/*var objSlideShowSlideBar = document.createElement('div');
		objSlideShowSlideBar.setAttribute('id', 'slideShowSlideBar');
		var objSlideShowSlideHandle = document.createElement('div');
		objSlideShowSlideHandle.setAttribute('id', 'slideShowSlideHandle');
		objSlideShowSlideBar.appendChild(objSlideShowSlideHandle);
		
		objSlideShowContainer.appendChild(objSlideShowSlideBar);*/
		objBottomNav.appendChild(objSlideShowContainer);
		objImageData.appendChild(objLeftData);
		objImageData.appendChild(objRightData);
		
		Event.observe(
				'prevLink',
				'click',
				this.prevLinkClicked.bindAsEventListener(this)
		);
		
		Event.observe(
			'nextLink',
			'click',
			this.nextLinkClicked.bindAsEventListener(this)
		);
		
		this.showFullImageHandler = this.showFullImage.bindAsEventListener(this);
		
		// /added -
	
		//var objBottomNavCloseImage = document.createElement("img");
		//objBottomNavCloseImage.setAttribute('src', fileBottomNavCloseImage);
		//objBottomNavCloseLink.appendChild(objBottomNavCloseImage);
	},
	
	/**
	 * Toggles the slide show on and off.
	 *
	 * The slide show uses a PeriodicalUpdater which is started automatically
	 * by this function. If the time period defined by this.slideShowInterval 
	 * is passed, the PeriodicalUpdater is stopped and restarted after
	 * an image was succesfully loaded.
	 *
	 * This ensures that the user will see a new picture during the entire interval.
	 * If the updater would not be stopped, the time period in which the
	 * user could effectively look at the picture would be shortened
	 * by the loading period
	 */
	slideShowToggle: function(event) {
		if (!this.slideShow)
			this.slideShowStart();
		else
			this.slideShowStop();
	},
	
	/**
	 * Called if the interval select was changed
	 */
	slideShowSelectChanged: function(event) {
		var s = Event.element(event);
		this.slideShowSetInterval(s.value);
	},
	
	/**
	 * Starts the slide show
	 */
	slideShowStart: function() {
	
		if (!this.slideShow) {
			this.slideShow = true;
			this.slideShowStartUpdate();
			$('playPause').toggleClassName('play');
			$('playPause').toggleClassName('pause');
			$('playPause').setAttribute('src', this.pauseImg);
		}
	},
	
	/**
	 * Starts the periodical updater
	 */
	slideShowStartUpdate: function() {
		this.slideShowUpdater = new PeriodicalExecuter(
			this.slideShowNextPicture.bind(this),
			this.slideShowInterval
		);
	},
	
	/**
	 * Stops the slide show
	 */
	slideShowStop: function() {
		if (this.slideShow) {
			this.slideShowUpdater.stop();
			this.slideShow = false;
			$('playPause').toggleClassName('play');
			$('playPause').toggleClassName('pause');
			$('playPause').setAttribute('src', this.playImg);
		}
	},
	
	/**
	 * Called by the periodical updater. This function then stops the
	 * periodical updater. Then changes image. this.changeImage
	 * automatically configures the preloader such that it resumes
	 * the slide show after the picture has been loaded.
	 */
	slideShowNextPicture: function() {
		this.slideShowUpdater.stop();
		this.changeImage(activeImage + 1);
	},
	
	/**
	 * Sets the interval for the slide show in seconds
	 */
	slideShowSetInterval: function(newInterval) {
		this.slideShowInterval = newInterval;
	},


	// setBoundary
	// Sets the boundary controller for the image show. If the left or right
	// boundary of the image set is reached, it uses the boundary to load
	// new images
	setBoundary: function(boundary) {
		this.boundary = boundary;
	},
	
	// boundaryHasNext
	// checks  if a boundary object is set and if it has more images
	boundaryHasNext: function() {
		return (this.boundary != null) && (this.boundary.hasNext);
	},
	
	// boundaryHasPrevious
	// checks  if a boundary object is set and if it has more images
	boundaryHasPrevious: function() {
		return (this.boundary != null) && (this.boundary.hasPrevious);
	},

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

		// loop through all anchor tags
		for (var i=0; i<anchors.length; i++){
			var anchor = anchors[i];
			
			var relAttribute = String(anchor.getAttribute('rel'));
			
			// use the string.match() method to catch 'lightbox' references in the rel attribute
			if (anchor.getAttribute('href') && (relAttribute.toLowerCase().match('lightbox'))){
				this.enableFor(anchor);
			}
		}

		// loop through all area tags
		// todo: combine anchor & area tag loops
		for (var i=0; i< areas.length; i++){
			var area = areas[i];
			
			var relAttribute = String(area.getAttribute('rel'));
			
			// use the string.match() method to catch 'lightbox' references in the rel attribute
			if (area.getAttribute('href') && (relAttribute.toLowerCase().match('lightbox'))){
				area.onclick = function () {myLightbox.start(this); return false;}
			}
		}
	},
	
	/**
	 * Enables lightbox for a given anchor
	 */
	enableFor: function(anchor) {
		anchor.onclick = function () {
			myLightbox.start(this); 
			return false;
		}
	},
	
	/**
	 * Disables lightbox for a given anchor
	 */
	disableFor: function(anchor) {
		anchor.onclick = null;
	},
	
	//
	//	start()
	//	Display overlay and lightbox. If image is part of a set, add siblings to imageArray.
	//
	start: function(imageLink) {	
		hideSelectBoxes();
		hideFlash();

		// 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 });

		imageArray = [];
		imageNum = 0;		

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

		// if image is NOT part of a set..
		currentRel = imageLink.getAttribute('rel');
		if (currentRel == '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 arrayPageScroll = getPageScroll();
		var lightboxTop = arrayPageScroll[1] + (arrayPageSize[3] / 10);
		var lightboxLeft = arrayPageScroll[0];
		Element.setTop('lightbox', lightboxTop);
		Element.setLeft('lightbox', lightboxLeft);
		
		// added -
		Element.hide('hoverNav');
		//Element.hide('prevLink');
		//Element.hide('nextLink');
		$('prevLink').addClassName('hidden');
		$('nextLink').addClassName('hidden');
		Element.hide('imageDataContainer');
		// /added -
		
		Element.show('lightbox');
		
		this.changeImage(imageNum);
	},
	
	updateImageArray: function() {
		var anchors = $A(document.getElementsByTagName('a')).findAll(
			function(a) {
				return $(a).getAttribute('rel') == currentRel;
			}
		);
		imageArray = [];
		for(var i = 0; i < anchors.length; ++i) {
			imageArray.push(new Array(
				anchors[i].getAttribute('href'),
				anchors[i].getAttribute('title')
			));
		}
	},
	
	loadingPreviousDone: function() {
		this.updateImageArray();
		this.boundary.setLoadingFinishedListener(null);
		this.changeImage(imageArray.length - 1);
	},
	
	loadingNextDone: function() {	
		this.updateImageArray();
		this.boundary.setLoadingFinishedListener(null);
		this.changeImage(0);
	},

	/**
	 * This function should be used to change image if the user requested
	 * so.
	 */
	userChangeImage: function(imageNum) {
	
		if (this.loading)
			return;
			
		this.changeImage(imageNum);
	},

	//
	//	changeImage()
	//	Hide most elements and preload image in preparation for resizing image container.
	//
	changeImage: function(imageNum) {	
		
		this.loading = true;
		
		// hide elements during transition
		if(animate && !this.slideShow){ Element.show('loading');}
		//Element.hide('lightboxImage');
		
		activeImage = imageNum;	// update global var

		// we ran out of images, load new ones
		if (activeImage < 0) {
			if (this.boundaryHasPrevious()) {
				this.boundary.setLoadingFinishedListener(
					this.loadingPreviousDone.bind(this));
				this.boundary.previousImages();
			}
			else {
				this.end();
			}
			return;
		}
		else if (activeImage >= imageArray.length) {
			if (this.boundaryHasNext()) {
				this.boundary.setLoadingFinishedListener(
					this.loadingNextDone.bind(this));
				this.boundary.nextImages();
			}
			else {
				this.end();
			}
			return;
		}
		// removed -
		//Element.hide('hoverNav');
		//Element.hide('prevLink');
		//Element.hide('nextLink');
		//Element.hide('imageDataContainer');
		//Element.hide('numberDisplay');
		// /removed -
		
		imgPreloader = new Image();
		
		// once image is preloaded, resize image container
		imgPreloader.onload=function(){
			myLightbox.resizeImageContainer(imgPreloader.width, imgPreloader.height);
			myLightbox.loading = false;
			if (myLightbox.slideShow) {
				myLightbox.slideShowStartUpdate();
			}
			imgPreloader.onload=function(){};	//	clear onLoad, IE behaves irratically with animated gifs otherwise 
		}
		imgPreloader.src = imageArray[activeImage][0];
	},
	
	showFullImage: function() {
		window.open($('lightboxImage').src, 'SiteCamFullImage');
		//alert('lol');
	},

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

		// get curren width and height
		this.widthCurrent = Element.getWidth('outerImageContainer');
		this.heightCurrent = Element.getHeight('outerImageContainer');
		
		// check if the image has to be resized
		pageSize = getPageSize();
		var imageDataContainerHeight = Element.getHeight('imageDataContainer');
		var maxWidth = pageSize[2] - clearWidth - borderSize * 2;
		var maxHeight = pageSize[3] - clearHeight - borderSize * 2 - imageDataContainerHeight;
		var desWidth = imgWidth;
		var desHeight = imgHeight;
		if (imgWidth > maxWidth) {
			var scale = maxWidth / imgWidth;
			imgWidth = Math.floor(imgWidth * scale);
			imgHeight = Math.floor(imgHeight * scale);
		}
		if (imgHeight > maxHeight) {
			var scale = maxHeight / imgHeight;
			imgWidth = Math.floor(imgWidth * scale);
			imgHeight = Math.floor(imgHeight * scale);
		}
		
		var lbimg = $('lightboxImage');
		var oldLightboxImageWidth = lbimg.width;
		var oldLightboxImageHeight = lbimg.height;

		if (oldLightboxImageHeight != imgHeight
		||  oldLightboxImageWidth != imgWidth) {
			Element.hide('lightboxImage');
			// be sure to set the src prior to changing the width
			Element.setSrc('lightboxImage', imageArray[activeImage][0]);
			$('lightboxImage').setStyle({
				width: imgWidth + 'px',
				height: imgHeight + 'px'
			});
		}
		else {
			Element.setSrc('lightboxImage', imageArray[activeImage][0]);
		}

		if (desWidth > imgWidth || desHeight > imgHeight) {
			// make the image clickable
			//if (this.showFullImageHandler == null) {
			if (!this.showFullImageHandlerActive) {
				//this.showFullImageHandler = this.showFullImage.bindAsEventListener(this);
				Event.observe($('imageContainer'), 'click', this.showFullImageHandler);
				$('imageContainer').setStyle({
					cursor: 'pointer'
				});
				this.showFullImageHandlerActive = true;
			}
		}
		else {
			if (this.showFullImageHandlerActive) {
				Event.stopObserving($('imageContainer'), 'click', this.showFullImageHandler);
				this.showFullImageHandlerActive = false;
				//this.showFullImageHandler = null;
				$('imageContainer').setStyle({
					cursor: ''
				});
			}
			// remove clickability 
		}
		
		
		// get new width and height
		var widthNew = (imgWidth  + (borderSize * 2));
		var heightNew = (imgHeight  + (borderSize * 2));
		
		// now set the top of the lightbox container
		//Element.setTop('lightbox', );
		var scrollArray = getPageScroll();
		var newTop = Math.min(
			scrollArray[1] + Math.floor((pageSize[3] - imageDataContainerHeight - heightNew)/2),
			arrayPageScroll[1] + (arrayPageSize[3] / 10)
		);

		if (oldTop != newTop) {
			Element.hide('lightboxImage');
			new Effect.Move($('lightbox'), {
				x: 0,
				y: newTop,
				mode: 'absolute'
			});
			oldTop = newTop;
		}
		
		// 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 (wDiff != 0 || hDiff != 0) {
			Element.hide('lightboxImage');
		}
		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);} 
		} else {
			// added -
			Element.hide('hoverNav');
			//Element.hide('prevLink');
			//Element.hide('nextLink');
			$('prevLink').addClassName('hidden');
			$('nextLink').addClassName('hidden');
			Element.hide('imageDataContainer');
			Element.hide('numberDisplay');
			// /added -
		}
//lightboxImage
		// removed -
		//Element.setHeight('prevLink', imgHeight);
		//Element.setHeight('nextLink', imgHeight);
		// /removed - 
		Element.setWidth( 'imageDataContainer', widthNew);

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

	//
	//	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]);
		}
		else {
			Element.setInnerHTML( 'caption', '&nbsp;');
		}
		
		// if image is part of set display 'Image x of x' 
		if(imageArray.length > 1){
			Element.show('numberDisplay');
			Element.setInnerHTML( 'numberDisplay', eval(activeImage + 1) + " / " + imageArray.length);
		}
		// added if statement, only do slide if the imageDataContainer was hidden
		if (!$('imageDataContainer').visible()) {
			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]);
					myLightbox.updateNav();
					}
				} 
			);
		} else {
			this.updateNav();
		}
	},
	
	hasPrevImage: function() {
		return ((activeImage > 0)
			|| this.boundaryHasPrevious());
	},

	/**
	 * Called if prevLink is clicked
	 */
	prevLinkClicked: function(event) {
		if (!this.hasPrevImage())
			return;
		this.userChangeImage(activeImage - 1); 
		this.slideShowStop();
		return false;
	},
	
	hasNextImage: function() {
		return (activeImage < (imageArray.length - 1)
			|| this.boundaryHasNext());
	},


	/**
	 * Called if prevLink is clicked
	 */
	nextLinkClicked: function(event) {
		if (!this.hasNextImage())
			return;
		this.userChangeImage(activeImage + 1); 
		this.slideShowStop();
		return false;
	},

	//
	//	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
		|| this.boundaryHasPrevious() ){
			//Element.show('prevLink');
			$('prevLink').removeClassName('hidden');
			/*Event.observe(
				'prevLink',
				'click',
				this.prevLinkClicked.bindAsEventListener(this)
			);*/
		} else {
			
			$('prevLink').addClassName('hidden');
			//Element.hide('prevLink');
		}

		// if not last image in set, display next image button
		if( (activeImage != (imageArray.length - 1))
		||  this.boundaryHasNext() ){
			
			$('nextLink').removeClassName('hidden');
			//Element.show('nextLink');
			/*Event.observe(
				'nextLink',
				'click',
				this.nextLinkClicked.bindAsEventListener(this)
			);*/
		} else {
			
			$('nextLink').addClassName('hidden');
			//Element.hide('nextLink');
		}
		
		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();
		this.slideShowStop();
		Element.hide('lightbox');
		new Effect.Fade('overlay', { duration: overlayDuration});
		showSelectBoxes();
		showFlash();
		this.loading = false;
	}
}

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

//
// 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;
	
//	console.log(self.innerWidth);
//	console.log(document.documentElement.clientWidth);

	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;
	}

//	console.log("xScroll " + xScroll)
//	console.log("windowWidth " + windowWidth)

	// 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 = $A(document.getElementsByTagName("select"));
	selects.each(function(s) {
		s = $(s);
		if (!s.descendantOf($('imageDataContainer')))
			s.show();
	});
}

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

function hideSelectBoxes(){
	var selects = $A(document.getElementsByTagName("select"));
	selects.each(function(s) {
		s = $(s);
		if (!s.descendantOf($('imageDataContainer')))
			s.hide();
	});
	//for (i = 0; i != selects.length; i++) {
	//	if (selects[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 pause(numberMillis) {
	var curently = new Date().getTime() + sender;
	while (new Date().getTime();	
}
*/
// ---------------------------------------------------

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