// -----------------------------------------------------------------------------------
//
//  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 = "custom/images/loading.gif";		
var fileBottomNavCloseImage = "custom/images/close.gif";

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

var overlayOpacity = 0.8;  // 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 objBottomNav = document.createElement("div");
                objBottomNav.setAttribute('id','bottomNav');
                objOuterImageContainer.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);
				
        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',"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);
        },


        //
        // 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+'jwplay.swf','jwplay',videoWidth,videoHeight,videoVersion);
            swfVideo.addParam("allowfullscreen","true");
            swfVideo.addVariable('file',videoSrc);
            swfVideo.addVariable('width',videoWidth);
            swfVideo.addVariable('height',videoHeight);
            // 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');

                        //clear onLoad, IE behaves irratically with animated gifs otherwise
                        imgPreloader.onload=function(){};
                }
                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);