/*
// Manuelx10.com MyLightBox 
//
// 
// Modified version of:
// Lightbox v2.03.3 by Lokesh Dhakar
//
// For more information on this script, visit:
// http://huddletogether.com/projects/lightbox2/
//
*/

//	Configuration
var fileLoadingImage = "/graphics/lb_loading.gif";		
var fileBottomNavCloseImage = "/graphics/lb_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

//	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();
	}
}


var Lightbox = Class.create();

Lightbox.prototype = {
	
	// initialize()
	// Constructor runs on completion of the DOM loading. Loops through anchor tags looking for 
	// 'lightbox' references and applies onclick events to appropriate links. The 2nd section of
	// 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();

		// The rest of this 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">
		//				<div id="lightboxContent">
		//					<img id="lightboxImage" />
		//					<iframe id="lightboxIframe"></iframe>
		//				</div>
		//				<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 objLightboxContent = document.createElement("div");
						objLightboxContent.setAttribute('id','lightboxContent');
						objImageContainer.appendChild(objLightboxContent);
					
							//
							var objLightboxImage = document.createElement("img");
							objLightboxImage.setAttribute('id','lightboxImage');
							objLightboxContent.appendChild(objLightboxImage);
							//
							var objLightboxIframe = document.createElement("iframe");
							objLightboxIframe.setAttribute('id','lightboxIframe');
							objLightboxContent.appendChild(objLightboxIframe);
							//
							var objLightboxSwf = document.createElement("div");
							objLightboxSwf.setAttribute('id','lightboxFlash');
							objLightboxContent.appendChild(objLightboxSwf);
							//
		
						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);
	},


	// 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() {	
	
		// LOOK FOR <A> HTML TAGS
		if(!document.getElementsByTagName){ return; }
		var anchors = document.getElementsByTagName('a');
		
		// 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'))){
				//Add Event Handler for Event Listener onClick for Iframe, SingleImage, SequencedImage, or Flash
				if( anchor.getAttribute('href')!='' && anchor.getAttribute('title') && relAttribute=='lightbox_ifr' ){
					anchor.onclick = function(){ myLightbox.startIframe(this); return false; }
				}
				else if( anchor.getAttribute('href')!='' && anchor.getAttribute('title') && (relAttribute.toLowerCase().match('lightbox_img')) ){
					anchor.onclick = function(){ myLightbox.startImageSeq(this); return false; }
				}
				else if( anchor.getAttribute('href')!='' && anchor.getAttribute('title') && (relAttribute.toLowerCase().match('lightbox_swf')) ){
					anchor.onclick = function(){ myLightbox.startFlash(this); return false; }
				}
				else{
					thisHref = anchor.getAttribute('href');
					thisTitle = 'Content Window';
					anchor.onclick = function(){ NewWindow(thisHref,thisTitle,'780','480','no','center'); return false; }
					anchor.onfocus = function(){ this.blur(); } //return false; 
				}
			}
		}
		
	},
	


	// Display overlay and IFRAME lightbox. 
	startIframe: function(thisAnchor) {	
		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 });
		// Get Anchor ID from current anchor object
		if((thisAnchor.getAttribute('rel') == 'lightbox_ifr')){
			var thisLink = String(thisAnchor.getAttribute('href'));
			var thisTitle = String(thisAnchor.getAttribute('title'));
		}
		// 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);
		Element.show('lightbox');
		this.changeIframe(thisLink,thisTitle);
	},

	//	Hide most elements and preload image in preparation for resizing image container.
	changeIframe: function(itemLink,itemTitle) {	
		// hide elements during transition
		if(animate){ Element.show('loading');}
		Element.hide('lightboxContent');
		Element.hide('lightboxImage');
		Element.hide('lightboxIframe');
		Element.hide('lightboxFlash');
		Element.hide('hoverNav');
		Element.hide('prevLink');
		Element.hide('nextLink');
		Element.hide('imageDataContainer');
		Element.hide('numberDisplay');		
		var ifrWidth = 450;
		var ifrHeight = 550;
		//Wait for Iframe contents to load before showing
		var ifrObj = document.getElementById("lightboxIframe");
		ifrObj.style.width = ifrWidth + "px";
		ifrObj.style.height = ifrHeight + "px";
		ifrObj.style.border = "0px";
		ifrObj.scrolling = "no";
		ifrObj.src = itemLink;
		//Install Event Handlers
		//For Non-IE or Mozilla 
		ifrObj.onload = function(){ 
			//alert("NON-IE"); 
			myLightbox.resizeImageContainer(ifrWidth, ifrHeight, 3, itemTitle); 
		}
		//For IE
		ifrObj.onreadystatechange = function(){ 
			if(ifr.readyState=="complete"){ 
				//alert("IE"); 
				myLightbox.resizeImageContainer(ifrWidth, ifrHeight, 3, itemTitle); 
			} 
		}
	},

	// Display iframe placeholder
	showIframe: function(content_desc){
		thisContType = "Dynamic Content"
		Element.hide('loading');
		Element.show('lightboxContent');
		new Effect.Appear('lightboxIframe', { duration: 0.5, queue: 'end', afterFinish: function(){ myLightbox.updateDetails(thisContType, content_desc, false); } });
	},



	// Display overlay and IFRAME lightbox. 
	startFlash: function(thisAnchor) {	
		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 });
		var relAttribute = String(thisAnchor.getAttribute('rel'));
		// Get Anchor ID from current anchor object
		if(relAttribute.toLowerCase().match('lightbox_swf')){
			var thisLink = String(thisAnchor.getAttribute('href'));
			var thisTitle = String(thisAnchor.getAttribute('title'));
			var tempstr = relAttribute.substring(13,21); //Extract 8 digits for width and height
			var flashWidth = parseInt((tempstr.substring(0,4)),10);
			var flashHeight = parseInt((tempstr.substring(4,8)),10);
			//alert(flashWidth+" "+flashHeight);
		}
		// 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);
		Element.show('lightbox');
		this.changeFlash(flashWidth,flashHeight,thisLink,thisTitle);
	},

	//	Hide most elements and preload image in preparation for resizing image container.
	changeFlash: function(swfWidth,swfHeight,itemLink,itemTitle) {	
		// hide elements during transition
		if(animate){ Element.show('loading');}
		Element.hide('lightboxContent');
		Element.hide('lightboxImage');
		Element.hide('lightboxIframe');
		Element.hide('lightboxFlash');
		Element.hide('hoverNav');
		Element.hide('prevLink');
		Element.hide('nextLink');
		Element.hide('imageDataContainer');
		Element.hide('numberDisplay');		
		var swfObj = document.getElementById("lightboxFlash");
		swfObj.style.width = swfWidth + "px";
		swfObj.style.height = swfHeight + "px";
		swfObj.style.border = "0px";
		swfObj.innerHTML = '<object id="lightboxFlashobj" type="application/x-shockwave-flash" style="width:'+swfWidth+'px; height:'+swfHeight+'px;" data="'+itemLink+'"><param name="movie" value="'+itemLink+'"><param name="quality" value="high"><embed name="lightboxFlashobj" src="'+itemLink+'" quality="high" type="application/x-shockwave-flash" width="'+swfWidth+'" height="'+swfHeight+'"></object>';
		myLightbox.resizeImageContainer(swfWidth, swfHeight, 4, itemTitle); 
	},

	//Stop Flash Movie
	stopFlashMovie: function(){
		/*var flashMovie;
		var movieName = 'lightboxFlashobj';
		if(window.document[movieName]){
		      flashMovie = window.document[movieName];
		      flashMovie.Stop();
		}
		if(navigator.appName.indexOf("Microsoft Internet")==-1){
		    if (document.embeds && document.embeds[movieName])
		      flashMovie = document.embeds[movieName]; 
		      flashMovie.Stop();
		}
		else{
		    flashMovie = document.getElementById(movieName);
		    flashMovie.Stop();
		}	
		
		alert("Flash Movie Stopped.");*/
	},

	// Display iframe placeholder
	showFlash: function(content_desc){
		thisContType = "Flash Preview"
		Element.hide('loading');
		Element.show('lightboxContent');
		new Effect.Appear('lightboxFlash', { duration: 0.5, queue: 'end', afterFinish: function(){ myLightbox.updateDetails(thisContType, content_desc, false); } });
	},



	startImage: function(thisAnchor) {	
		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 });
		// Get Anchor HREF and Title from current anchor object
		if((thisAnchor.getAttribute('rel') == 'lightbox_img')){
			var thisLink = String(thisAnchor.getAttribute('href'));
			var thisTitle = String (thisAnchor.getAttribute('title'));
		}
		// 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);
		Element.show('lightbox');
		this.changeImage(thisLink,thisTitle);	
	},

	
	changeImage: function(imageSrc,imageTitle){
		// hide elements during transition
		if(animate){ Element.show('loading');}
		Element.hide('lightboxContent');
		Element.hide('lightboxImage');
		Element.hide('lightboxIframe');
		Element.hide('lightboxFlash');
		Element.hide('hoverNav');
		Element.hide('prevLink');
		Element.hide('nextLink');
		Element.hide('imageDataContainer');
		Element.hide('numberDisplay');		
		imgPreloader = new Image();
		// Wait until image is preloaded,then resize image container
		imgPreloader.onload=function(){
			Element.setSrc('lightboxImage', imageSrc);
			myLightbox.resizeImageContainer(imgPreloader.width, imgPreloader.height, 1, imageTitle);
			imgPreloader.onload=function(){};	//	clear onLoad, IE behaves irratically with animated gifs otherwise 
		}
		imgPreloader.src = imageSrc;
	},
	

	showImage: function(content_desc){
		thisContType = "Image Preview"
		Element.hide('loading');
		Element.show('lightboxContent');
		new Effect.Appear('lightboxImage', { duration: 0.5, queue: 'end', afterFinish: function(){ myLightbox.updateDetails(thisContType, content_desc, false); } });
	},



	//	startImageSeq() - Multiple Sequence Images
	//	Display overlay and lightbox. If image is part of a set, add siblings to imageArray.
	startImageSeq: 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..
		if((imageLink.getAttribute('rel') == 'lightbox_img')){
			// 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);
		Element.show('lightbox');
		this.changeImageSeq(imageNum);
	},

	
	//	changeImageSeq()
	//	Hide most elements and preload image in preparation for resizing image container.
	changeImageSeq: function(imageNum) {	
		activeImage = imageNum;	// update global var
		// hide elements during transition
		if(animate){ Element.show('loading');}
		Element.hide('lightboxContent');
		Element.hide('lightboxImage');
		Element.hide('lightboxIframe');
		Element.hide('lightboxFlash');
		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, 2, "");
			imgPreloader.onload=function(){};	//	clear onLoad, IE behaves irratically with animated gifs otherwise 
		}
		imgPreloader.src = imageArray[activeImage][0];
	},

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

	

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

		// 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( content_type == 1 ){
			this.showImage(content_title);
		}
		else if( content_type == 2 ){
			this.showImageSeq();
		}
		else if( content_type == 3 ){
			this.showIframe(content_title);
		}
		else if( content_type == 4 ){
			this.showFlash(content_title);
		}
		else{
		}
		
	},
	
	
	//	updateDetails()
	//	Display caption, image number, and bottom nav.
	updateDetails: function(cont_type, desc_text, seq_flag) {
	
		// if caption is not null
		if(seq_flag==true){
			if(imageArray[activeImage][1]){
				Element.show('caption');
				Element.setInnerHTML( 'caption', imageArray[activeImage][1]);
			}
		}
		else{
			Element.show('caption');
			Element.setInnerHTML( 'caption', desc_text);
		}
		
		// if image is part of set display 'Image x of x' 
		if(seq_flag==true){
			if(imageArray.length > 1){
				Element.show('numberDisplay');
				Element.setInnerHTML( 'numberDisplay', "Image Preview " + eval(activeImage + 1) + " of " + imageArray.length);
			}
			else{
				Element.show('numberDisplay');
				Element.setInnerHTML( 'numberDisplay', "Image Preview");
			}
		}
		else{
			Element.show('numberDisplay');
			Element.setInnerHTML( 'numberDisplay', cont_type);
		}

		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]);
				if(seq_flag==true){ myLightbox.updateNav(); }
				}
			} 
		);
	},


	//	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.changeImageSeq(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.changeImageSeq(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();
		Element.hide('lightbox');
		new Effect.Fade('overlay', { duration: overlayDuration});
		this.stopFlashMovie();
		showSelectBoxes();
		showFlash();
	}

}


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

// 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 = 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 pause(numberMillis) {
	var curently = new Date().getTime() + sender;
	while (new Date().getTime();	
}
*/



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

function initLightbox() { myLightbox = new Lightbox(); }

Event.observe(window, 'load', initLightbox, false);