/*
  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 = "medias/images/lightbox/loading.gif";        // Loading image    
var fileBottomNavCloseImage = "medias/images/lightbox/closelabel.gif";    // Close image
var fallbackOverlayImage = "medias/images/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/lightbox/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/lightbox/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 = '#262626';
    }
    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 = "hidden";
  }

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

}

//
// pause(numberMillis)
// Pauses code execution for specified time. Uses busy code, not good.
// Help from Ran Bar-On [ran2103@gmail.com]
//

function pause(ms){
  var date = new Date();
  curDate = null;
  do{var curDate = new Date();}
  while( curDate - date < ms);
}
/*
function pause(numberMillis) {
  var curently = new Date().getTime() + sender;
  while (new Date().getTime();  
}
*/
// ---------------------------------------------------



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