/*
    Lightbox++ v1.0.1 (Initial Release)
    Modification by Justin Lyric - http://www.codefidelity.com
    Wednesday, July 4th, 2007 (Happy 4th!)
    
    For installation instructions and script updates, please visit:
    http://www.codefidelity.com/blog/?page_id=7
    
    Original Lightbox Script by Lokesh Dhakar
    http://www.huddletogether.com/projects/lightbox2/
    
    Still licensed under the Creative Commons Attribution 2.5 License - http://creativecommons.org/licenses/by/2.5/
    
    This script allows you to use the same Lightbox functionality that you're used to as well as 
    embed Flash movies.  

*/

/*

    Table of Contents
    -----------------
    Configuration
    Global Variables

    Extending Built-in Objects    
    - Object.extend(Element)
    - Array.prototype.removeDuplicates()
    - Array.prototype.empty()

    Lightbox Class Declaration
    - initialize()
    - updateElementList()
    - start()
    - changeElement()
    - resizeElementContainer()
    - showElement()
    - updateDetails()
    - updateNav()
    - enableKeyboardNav()
    - disableKeyboardNav()
    - keyboardAction()
    - preloadNeighborImages()
    - end()
    
    Miscellaneous Functions
    - getPageScroll()
    - getPageSize()
    - getKey()
    - listenKey()
    - showSelectBoxes()
    - hideSelectBoxes()
    - pause()
    - initLightbox()
    
    Function Calls
    - addLoadEvent(initLightbox)
    
*/


//
//    Configuration
//
var fileLoadingImage = "images/loading.gif";                // Loading image        
var fileBottomNavCloseImage = "images/closelabel.gif";        // Close image
var fallbackOverlayImage = "images/overlay.png";            // Fallback overlay used with browsers that have opacity problems
var overlayOpacity = 0.75;                                    // Controls transparency of shadow overlay
var animate = true;                                            // Toggles resizing animations
var resizeSpeed = 8;                                        // Controls the speed of the image resizing animations (1=slowest and 10=fastest)
var borderSize = 0;                                        // If you adjust the padding in the CSS, you will need to update this variable

//
//    Global Variables
//
var elementArray = new Array;
var activeElement;
var userAgent = navigator.userAgent.toLowerCase();

if(animate == true){
    overlayDuration = 0.2;    
    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()
//    - changeElement()
//    - resizeElementContainer()
//    - showElement()
//    - updateDetails()
//    - updateNav()
//    - enableKeyboardNav()
//    - disableKeyboardNav()
//    - keyboardNavAction()
//    - preloadNeighborImages()
//    - end()
//
//    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 updateElementList 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.updateElementList();

        // 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="lightboxmage">
        //                    <div id="lightboxswf">
        //                    </div>
        //                </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');
        
        // The mozilla flavors on the mac, specifically Firefox and Camino have difficulties displaying flash over anything with dynamically generated opacity.
        // Here we're using the fallBackOverlayImage to alleviate this problem.    This is a semi-transparent png which is included with the script.
        if (userAgent.indexOf('mac') != -1 && userAgent.indexOf('firefox')!=-1 || userAgent.indexOf('camino')!=-1) {
            objOverlay.style.backgroundImage = 'url('+fallbackOverlayImage+')';
            objOverlay.style.backgroundRepeat = 'repeat';
        }else{
            objOverlay.style.backgroundColor = '#000000';
        }
        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) {
            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);
//        }

        Element.setWidth('outerImageContainer', 865);
        Element.setHeight('outerImageContainer', 0);
        
        

        var objImageContainer = document.createElement("div");
        objImageContainer.setAttribute('id','imageContainer');
        objOuterImageContainer.appendChild(objImageContainer);
        
        var objContent = document.createElement("div");
        objContent.setAttribute('id','lightboxcontent');
        objImageContainer.appendChild(objContent);
    
        var objLightboxImage = document.createElement("img");
        objLightboxImage.setAttribute('id','lightboximage');
        objLightboxImage.style.display = 'none';
        objContent.appendChild(objLightboxImage);
        
        objLightboxSwf = document.createElement("div");
        objLightboxSwf.setAttribute('id','lightboxswf');
        objLightboxSwf.style.position = 'relative';
        objLightboxSwf.style.zIndex = 101; // Safari
        objLightboxSwf.style.display = 'none';
        objContent.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');
        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);
    },


    //
    // updateElementList()
    // Loops through anchor tags looking for 'lightbox' references and applies onclick
    // events to appropriate links. You can rerun after dynamically adding images w/ajax.
    //
    updateElementList: 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'))){
                anchor.onclick = function () {myLightbox.start(this); return false;}
            }
        }

        // 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;}
            }
        }
    },
    
    
    //
    //    start()
    //    Display overlay and lightbox. If element is part of a set, add siblings to elementArray.
    //
    start: function(elementLink) {    

        hideSelectBoxes();        
        hideFlash();
        
        // stretch overlay to fill page and fade in
        var arrayPageSize = getPageSize();
        Element.setWidth('overlay', arrayPageSize[0]);
        Element.setHeight('overlay', arrayPageSize[1]);
        
        // Again, if the user is on a Mac and has a Mozilla flavor browser, we can't use dynamically generated opacity or you will experience problems with the Flash movies.
        if (userAgent.indexOf('mac') != -1 && userAgent.indexOf('firefox')!=-1 || userAgent.indexOf('camino')!=-1) {
            Element.show('overlay');
        }else{ // Non-Mac, carry on as usual.
            new Effect.Appear('overlay', { duration: overlayDuration, from: 0.0, to: overlayOpacity });
        }

        elementArray = [];
        elementNum = 0;        

        if (!document.getElementsByTagName){ return; }
        var anchors = document.getElementsByTagName(elementLink.tagName);
        
                
        // If the image or SWF is not a part of the set...
        if((elementLink.getAttribute('rel') == 'lightbox')){
            // Add single image or SWF to elementArray
            if(elementLink.getAttribute('href').endsWith('swf')) { // SWF
                elementArray.push(new Array(elementLink.getAttribute('href'), elementLink.getAttribute('title'), elementLink.getAttribute('width'), elementLink.getAttribute('height')));
            } else { // Image
                elementArray.push(new Array(elementLink.getAttribute('href'), elementLink.getAttribute('title')));
            }                
        } else {
        // Image or SWF is not part of a set...
                
            // Loop through anchors, find other images/SWF's in the set, and add them to elementArray
            for (var i=0; i<anchors.length; i++){
                var anchor = anchors[i];
                if (anchor.getAttribute('href') && (anchor.getAttribute('rel') == elementLink.getAttribute('rel'))){
                    if(anchor.getAttribute('href').endsWith('swf')) { // SWF
                        elementArray.push(new Array(anchor.getAttribute('href'), anchor.getAttribute('title'), anchor.getAttribute('width'), anchor.getAttribute('height')));
                    } else {
                        elementArray.push(new Array(anchor.getAttribute('href'), anchor.getAttribute('title')));
                    }
                }
            }
            elementArray.removeDuplicates();
            while(elementArray[elementNum][0] != elementLink.getAttribute('href')) { elementNum++;}
        }

        // 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.changeElement(elementNum);
    },

    //
    //    changeElement()
    //    Hide most elements and preload image in preparation for resizing the element container.
    //
    changeElement: function(elementNum) {    
        
        activeElement = elementNum;    // Update global var

        // Hide elements during transition
        if(animate){ Element.show('loading');}
        Element.hide('lightboximage');
        Element.hide('lightboxswf');
        Element.hide('hoverNav');
        Element.hide('prevLink');
        Element.hide('nextLink');
        Element.hide('imageDataContainer');
        Element.hide('numberDisplay');        
        
        if (elementArray[activeElement][0].endsWith('swf')){ // SWF
            // No preloading needed here, if a preloader is needed for the Flash movie, it should be built into said Flash movie.
            myLightbox.resizeElementContainer(parseInt(elementArray[activeElement][2]), parseInt(elementArray[activeElement][3]))
        }else{
        
            imgPreloader = new Image();
        
            // Once image is preloaded, resize image container
            imgPreloader.onload=function(){
                Element.setSrc('lightboximage', elementArray[activeElement][0]);
                myLightbox.resizeElementContainer(imgPreloader.width, imgPreloader.height);
            
                imgPreloader.onload=function(){};    //    Clear onLoad, IE behaves irratically with animated gifs otherwise 
            }
            imgPreloader.src = elementArray[activeElement][0];
        }
    },

    //
    //    resizeElementContainer()
    //
    resizeElementContainer: function(elementWidth, elementHeight) {

//        // Get current width and height
//        this.widthCurrent = Element.getWidth('outerImageContainer');
//        this.heightCurrent = Element.getHeight('outerImageContainer');

//        // Get new width and height
//        var widthNew = (elementWidth  + (borderSize * 2));
//        var heightNew = (elementHeight  + (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/SWF 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', elementHeight);
//        Element.setHeight('nextLink', elementHeight);
//        Element.setWidth('imageDataContainer', widthNew);
        
        this.showElement();
    },
    
    //
    //    showElement()
    //    Display image or SWF and begin preloading neighbors (if image).
    //
    showElement: function(){
        Element.hide('loading');
        
        if(elementArray[activeElement][0].endsWith('swf')) { // SWF
            // Since the activeElement is a SWF, hide the image element.
            $('lightboximage').style.display = 'none';
            // Setup the proper object and embed tags in the SWF div.  The following is a basic set of object and embed tags, edit as you see fit.
            var obj = $('lightboxswf');
            obj.innerHTML = "<object classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" codebase=\"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0\" width=\""+elementArray[activeElement][2]+"\" height=\""+elementArray[activeElement][3]+"\">" +
                "<param name=\"movie\" value=\""+elementArray[activeElement][0]+"\"/>" +
                "<param name=\"quality\" value=\"high\" />" +
                "<param name=\"allowscriptaccess\" value=\"always\" />" +
                "<param name=\"wmode\" value=\"transparent\" />" +
                "<embed wmode=\"transparent\" allowscriptaccess=\"always\" src=\""+elementArray[activeElement][0]+"\" quality=\"high\" pluginspage=\"http://www.macromedia.com/go/getflashplayer\" type=\"application/x-shockwave-flash\" width=\""+elementArray[activeElement][2]+"\" height=\""+elementArray[activeElement][3]+"\">" +
                "</embed>" +
                "</object>";
            new Effect.Appear('lightboxswf', {  duration: resizeDuration, queue: 'end', from: 0.0, to: 100, afterFinish: function(){ myLightbox.updateDetails(); } });
        } else { // Image
            // Since the activeElement is an image, hide the SWF element.
            $('lightboxswf').style.display = 'none';
            new Effect.Appear('lightboximage', { duration: resizeDuration, queue: 'end', afterFinish: function(){ myLightbox.updateDetails(); } });
            this.preloadNeighborImages();
        }
    },

    //
    //    updateDetails()
    //    Display caption, image/SWF number, and bottom nav.
    //
    updateDetails: function() {
        // if caption is not null
        if(elementArray[activeElement][1]){
            Element.show('caption');
            Element.setInnerHTML( 'caption', elementArray[activeElement][1]);
        }
        
        // if image/SWF is part of set display 'Image/Movie x of x' 
        if(elementArray.length > 1){
            Element.show('numberDisplay');
            if(elementArray[activeElement][0].endsWith('swf')) { // SWF
                Element.setInnerHTML( 'numberDisplay', "Movie " + eval(activeElement + 1) + " of " + elementArray.length);
            }else{ // Image
                Element.setInnerHTML( 'numberDisplay', "Image " + eval(activeElement + 1) + " of " + elementArray.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]);
                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(activeElement != 0){
            Element.show('prevLink');
            document.getElementById('prevLink').onclick = function() {
                myLightbox.changeElement(activeElement - 1); return false;
            }
        }

        // If not last image in set, display next image button
        if(activeElement != (elementArray.length - 1)){
            Element.show('nextLink');
            document.getElementById('nextLink').onclick = function() {
                myLightbox.changeElement(activeElement + 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/SWF
            if(activeElement != 0){
                myLightbox.disableKeyboardNav();
                myLightbox.changeElement(activeElement - 1);
            }
        } else if((key == 'n') || (keycode == 39)){    // Display next image/SWF
            if(activeElement != (elementArray.length - 1)){
                myLightbox.disableKeyboardNav();
                myLightbox.changeElement(activeElement + 1);
            }
        }

    },

    //
    //    preloadNeighborImages()
    //    Preload previous and next images.
    //
    preloadNeighborImages: function(){

        if((elementArray.length - 1) > activeElement){
            preloadNextImage = new Image();
            preloadNextImage.src = elementArray[activeElement + 1][0];
        }
        if(activeElement > 0){
            preloadPrevImage = new Image();
            preloadPrevImage.src = elementArray[activeElement - 1][0];
        }
    
    },

    //
    //    end()
    //
    end: function() {
        this.disableKeyboardNav();
        var obj = $('lightboxswf');
        obj.innerHTML = "";
        Element.hide('lightbox');
        new Effect.Fade('overlay', { duration: overlayDuration});
        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, true);
