/*
   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 = "/includes/lightbox/loading.gif";          // Loading image
var fileBottomNavCloseImage = "/includes/lightbox/closelabel.gif";      // Close image
var fallbackOverlayImage = "/includes/lightbox/overlay.png";         // Fallback overlay used with browsers that have opacity problems
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 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);
      }

      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 = "visible";
   }

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

}

//
// 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);