// -----------------------------------------------------------------------------------
//
//  Lightbox v2.02
//  by Lokesh Dhakar - http://www.huddletogether.com
//  3/31/06
//
//  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.org), Thomas Fuchs(mir.aculo.us), and others.
//
//
// -----------------------------------------------------------------------------------
/*

  Table of Contents
  -----------------
  Configuration
  Global Variables

  Extending Built-in Objects
  - Object.extend(Element)
  - Array.prototype.removeDuplicates()
  - Array.prototype.empty()
  - String.prototype.startsWith()
  - String.prototype.endsWith()

  Lightbox Class Declaration
  - initialize()
  - start()
  - changeImage()
  - resizeImageContainer()
  - loadSwf()
  - handleResponse()
  - showImage()
  - updateDetails()
  - updateNav()
  - enableKeyboardNav()
  - disableKeyboardNav()
  - keyboardAction()
  - preloadNeighborImages()
  - end()

  Miscellaneous Functions
  - getPageScroll()
  - getPageSize()
  - getKey()
  - listenKey()
  - showSelectBoxes()
  - hideSelectBoxes()
  - pause()
  - initLightbox()

  Function Calls
  - addLoadEvent(initLightbox)

*/
// -----------------------------------------------------------------------------------

//
//  Configuration
//
var swfSizeScript = "/ds-includes/lightbox/ajax.swfsize.php";
var fileLoadingImage = "/ds-includes/lightbox/loading.gif";
var fileBottomNavCloseImage = "/ds-includes/lightbox/closelabel.gif";

var resizeSpeed = 7;  // controls the speed of the image resizing (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 SWFwidth;
var SWFheight;
var overrideAjax = false;

if(resizeSpeed > 10){ resizeSpeed = 10;}
if(resizeSpeed < 1){ resizeSpeed = 1;}
resizeDuration = (11 - resizeSpeed) * 0.15;

//
//  Global Variables
//
var ajaxprocessing = false;
var ajax = null;
try { ajax = new XMLHttpRequest(); }
catch (e1){
  try { ajax = new ActiveXObject("Msxml2.XMLHTTP"); }
  catch (e2) {
    try { ajax = new ActiveXObject("Microsoft.XMLHTTP"); }
    catch (e3) { ajax = null; }
  }
}

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

//
//  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";
  },
  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()
//
function mysortfn(a,b) {
// Note that each thing we are passed is an array, so we don't compare the things
// we're passed; instead, we compare their second column
if (a[3]<b[3]) return -1;
if (a[3]>b[3]) return 1;
return 0;
}

Array.prototype.removeDuplicates = function () {
  this.sort(mysortfn)
  for(i = 1; i < this.length; i++){
    if(this[i][0] == this[i-1][0]){
      this.splice(i,1);
    }
  }
}

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

Array.prototype.empty = function () {
  for(i = 0; i <= this.length; i++){
    this.shift();
  }
}

//
//  Extending built-in String object
//  - string.endsWith()
//

String.prototype.endsWith = function(text){
  return this.substring(this.length - text.length).toLowerCase() == text;
}
String.prototype.startsWith = function(text){
  return this.substring(0,text.length).toLowerCase() == text;
}

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

//
//  Lightbox Class Declaration
//  - initialize()
//  - start()
//  - changeImage()
//  - resizeImageContainer()
//  - showImage()
//  - 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. Loops through anchor tags looking for
  // 'lightbox' references and applies onclick events to appropriate links. The 2nd section of
  // the function inserts html at the bottom of the page which is used to display the shadow
  // overlay and the image container.
  //
  initialize: function() {
    if (!document.getElementsByTagName){ return; }
    var anchors = document.getElementsByTagName('a');

    // loop through all anchor tags
    for (var i=0; i<anchors.length; i++){
      var anchor = anchors[i];

      var relAttribute = String(anchor.getAttribute('rel'));

      // use the string.match() method to catch 'lightbox' references in the rel attribute
      if (anchor.getAttribute('href') && (relAttribute.toLowerCase().match('lightbox'))){
        anchor.onclick = function () {myLightbox.start(this); return false;}
      }
    }

    // The rest of this code inserts html at the bottom of the page that looks similar to this:
    //
    //  <div id="overlay"></div>
    //  <div id="lightbox">
    //    <div id="outerImageContainer">
    //      <div id="imageContainer">
    //        <div id="lightboxImage">
    //          <img id="lightboxImageImg" />
    //          <div id="lightboxImageSwf"></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');
    objOverlay.style.display = 'none';
    objOverlay.onclick = function() { myLightbox.end(); return false; }
    objBody.appendChild(objOverlay);

    var objLightbox = document.createElement("div");
    objLightbox.setAttribute('id','lightbox');
    objLightbox.style.display = 'none';
    objBody.appendChild(objLightbox);

    var objOuterImageContainer = document.createElement("div");
    objOuterImageContainer.setAttribute('id','outerImageContainer');
    objLightbox.appendChild(objOuterImageContainer);

    var objImageContainer = document.createElement("div");
    objImageContainer.setAttribute('id','imageContainer');
    objOuterImageContainer.appendChild(objImageContainer);

    var objLightboxImage = document.createElement("div");
    objLightboxImage.setAttribute('id','lightboxImage');
    objImageContainer.appendChild(objLightboxImage);

    var objLightboxImageImg = document.createElement("img");
    objLightboxImageImg.setAttribute('id','lightboxImageImg');
    objLightboxImageImg.style.display = 'none';
    objLightboxImage.appendChild(objLightboxImageImg);

    var objLightboxImageSwf = document.createElement("div");
    objLightboxImageSwf.setAttribute('id','lightboxImageSwf');
    objLightboxImageSwf.setAttribute('style', 'display: none');
    objLightboxImage.appendChild(objLightboxImageSwf);

    var objLightboxImageSwfCont = document.createElement("div");
    objLightboxImageSwfCont.setAttribute('id','fCont');
    objLightboxImageSwfCont.setAttribute('style', 'display: none');
    objLightboxImageSwf.appendChild(objLightboxImageSwfCont);

    /* commented out to disable prev next overlay
    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 objPrevLinkB = document.createElement("a");
    objPrevLinkB.setAttribute('id','prevLinkB');
    objPrevLinkB.setAttribute('href','#');
    objHoverNav.appendChild(objPrevLinkB);

    var objNextLinkB = document.createElement("a");
    objNextLinkB.setAttribute('id','nextLinkB');
    objNextLinkB.setAttribute('href','#');
    objHoverNav.appendChild(objNextLinkB);
    */

    var objLoading = document.createElement("div");
    objLoading.setAttribute('id','loading');
    objImageContainer.appendChild(objLoading);

    var objLoadingLink = document.createElement("a");
    objLoadingLink.setAttribute('id','loadingLink');
    objLoadingLink.setAttribute('href','#');
    objLoadingLink.onclick = function() { myLightbox.end(); return false; }
    objLoading.appendChild(objLoadingLink);

    var objLoadingImage = document.createElement("img");
    objLoadingImage.setAttribute('src', fileLoadingImage);
    objLoadingLink.appendChild(objLoadingImage);

    var objImageDataContainer = document.createElement("div");
    objImageDataContainer.setAttribute('id','imageDataContainer');
    objImageDataContainer.className = 'clearfix';
    objLightbox.appendChild(objImageDataContainer);

    var objImageData = document.createElement("div");
    objImageData.setAttribute('id','imageData');
    objImageDataContainer.appendChild(objImageData);

    var objImageDetails = document.createElement("div");
    objImageDetails.setAttribute('id','imageDetails');
    objImageData.appendChild(objImageDetails);

    var objCaption = document.createElement("span");
    objCaption.setAttribute('id','caption');
    objImageDetails.appendChild(objCaption);

    var objNumberDisplay = document.createElement("span");
    objNumberDisplay.setAttribute('id','numberDisplay');
    objImageDetails.appendChild(objNumberDisplay);

    var objNPDisplay = document.createElement("div");
    objNPDisplay.setAttribute('id','NPDisplay');
    objImageDetails.appendChild(objNPDisplay);

    var objNPDisplayDash = document.createElement("span");
    objNPDisplayDash.setAttribute('id','NPDisplayDash');
    objNPDisplay.appendChild(objNPDisplayDash);

    var objNPDisplayNext = document.createElement("a");
    objNPDisplayNext.setAttribute('id','NPDisplayPrev');
    objNPDisplayNext.setAttribute('href','#');
    objNPDisplay.appendChild(objNPDisplayNext);

    var objNPDisplaySpacer = document.createElement("span");
    objNPDisplaySpacer.setAttribute('id','NPDisplaySpacer');
    objNPDisplay.appendChild(objNPDisplaySpacer);

    var objNPDisplayNext = document.createElement("a");
    objNPDisplayNext.setAttribute('id','NPDisplayNext');
    objNPDisplayNext.setAttribute('href','#');
    objNPDisplay.appendChild(objNPDisplayNext);

    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);
  },

  //
  //  start()
  //  Display overlay and lightbox. If image is part of a set, add siblings to imageArray.
  //
  start: function(imageLink) {

    hideSelectBoxes();

    // stretch overlay to fill page and fade in
    var arrayPageSize = getPageSize();
    Element.setHeight('overlay', arrayPageSize[1]);
    new Effect.Appear('overlay', { duration: 0.2, from: 0.0, to: 0.8 });

    imageArray = [];
    imageNum = 0;

    if (!document.getElementsByTagName){ return; }
    var anchors = document.getElementsByTagName('a');

    // 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'), imageLink.getAttribute('shownp'), anchor.getAttribute('order')));
    } 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'), anchor.getAttribute('shownp'), anchor.getAttribute('order')));
        }
      }
      imageArray.removeDuplicates();
      while(imageArray[imageNum][0] != imageLink.getAttribute('href')) { imageNum++;}
    }

    // calculate top offset for the lightbox and display
    var arrayPageSize = getPageSize();
    var arrayPageScroll = getPageScroll();
    var lightboxTop = arrayPageScroll[1] + (arrayPageSize[3] / 15);

    Element.setTop('lightbox', lightboxTop);
    Element.show('lightbox');

    this.changeImage(imageNum);
  },

  //
  //  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
    Element.show('loading');
    Element.hide('lightboxImage');
    // Element.hide('hoverNav');
    // Element.hide('prevLink');
    // Element.hide('nextLink');
    // Element.hide('prevLinkB');
    // Element.hide('nextLinkB');
    Element.hide('imageDataContainer');
    Element.hide('numberDisplay');
    Element.hide('NPDisplay');
    Element.hide('NPDisplayDash');
    Element.hide('NPDisplaySpacer');
    Element.hide('NPDisplayPrev');
    Element.hide('NPDisplayNext');


    if (imageArray[activeImage][0].endsWith('swf')){
      $('lightboxImageSwf').style.display = 'block';
      $('lightboxImageImg').style.display = 'none';
      this.loadSwf();
    }else{
      imgPreloader = new Image();
      // once image is preloaded, resize image container
      imgPreloader.onload=function(){
        Element.setSrc('lightboxImageImg', imageArray[activeImage][0]);
        $('lightboxImageSwf').style.display = 'none';
        $('lightboxImageImg').style.display = 'inline';
        myLightbox.resizeImageContainer(imgPreloader.width, imgPreloader.height);
      }
      imgPreloader.src = imageArray[activeImage][0];
    }
  },

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

    // get current height and width
    this.wCur = Element.getWidth('outerImageContainer');
    this.hCur = Element.getHeight('outerImageContainer');

    // scalars based on change from old to new
    this.xScale = ((imgWidth  + (borderSize * 2)) / this.wCur) * 100;
    this.yScale = ((imgHeight  + (borderSize * 2)) / this.hCur) * 100;

    // calculate size difference between new and old image, and resize if necessary
    wDiff = (this.wCur - borderSize * 2) - imgWidth;
    hDiff = (this.hCur - borderSize * 2) - imgHeight;

    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', imgWidth + (borderSize * 2));

    $(imageArray[activeImage][0].endsWith('swf') ? 'lightboxImageImg' : 'lightboxImageSwf').style.display = 'none';
    this.showImage();

  },

  //
  //  loadSwf()
  //
  loadSwf: function() {
    var imgUrl = imageArray[activeImage][0];
    if (imgUrl.startsWith("/")){
      imgUrl = window.location.protocol + "//" + window.location.host + imgUrl;
    }else if (!imgUrl.startsWith(window.location.protocol)){
      var base = window.location.href.substring(0, window.location.href.lastIndexOf('/') + 1);
      imgUrl = base + imgUrl;
    }
    try {
      ajax.open('get', swfSizeScript + '?swfurl=' + escape(imgUrl));
      ajax.onreadystatechange = myLightbox.handleResponse;
      ajax.send(null);
    }
    catch (e) {
      overrideAjax = true;
      myLightbox.handleResponse();
    }
  },
  //
  //  handleResponse()
  //
  handleResponse: function(){
    if(ajax.readyState == 4 || overrideAjax){
      var response;
      try { response = ajax.responseText; }
      catch (e) {  }
      SWFwidth = 550;
      SWFheight = 400;
      if (response != null){
        if(response.indexOf('|' != -1)) {
          var whArray = response.split('|');
          SWFwidth = whArray[0] * 1;
          SWFheight = whArray[1] * 1;
        }
        if (isNaN(SWFwidth) || isNaN(SWFheight)){
          SWFwidth = 550;
          SWFheight = 400;
        }
      }
      var obj = $('lightboxImageSwf');
      obj.innerHTML = "<div id=\"fCont\"><OBJECT class=\"jsembed\" classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" codebase=\"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0\"" +
        "WIDTH=\""+SWFwidth+"\" HEIGHT=\""+SWFheight+"\">" +
        "<PARAM NAME=\"allowScriptAccess\" VALUE=\"never\">" +
        "<PARAM NAME=\"allowNetworking\" VALUE=\"never\">" +
        "<PARAM NAME=\"movie\" VALUE=\"" + imageArray[activeImage][0] + "\" id=\"src2\">" +
        "<PARAM NAME=\"quality\" VALUE=\"high\">" +
        "<EMBED id=\"lightboxImageEmbed\" class=\"jsembed\" src=\"" + imageArray[activeImage][0] + "\" quality=\"high\" WIDTH=\""+SWFwidth+"\" HEIGHT=\""+SWFheight+"\" ALIGN=\"center\" TYPE=\"application/x-shockwave-flash\" PLUGINSPAGE=\"http://www.macromedia.com/go/getflashplayer\">" +
        "</EMBED></OBJECT></div>";
      myLightbox.resizeImageContainer(SWFwidth, SWFheight);
    }
  },

  //
  //  showImage()
  //  Display image and begin preloading neighbors.
  //
  showImage: function(){
    Element.hide('loading');
    new Effect.Appear('lightboxImage', { duration: 0.5, queue: 'end', afterFinish: function(){
      myLightbox.updateDetails();
    } });
    this.preloadNeighborImages();
  },

  //
  //  updateDetails()
  //  Display caption, image number, and bottom nav.
  //
  updateDetails: function() {

    Element.show('caption');
    Element.setInnerHTML( 'caption', imageArray[activeImage][1]);

    // if image is part of set display 'Image x of x'
    if(imageArray.length > 1){
      if (document.getElementById('counterName')) {
        var counterName = document.getElementById('counterName').value;
      } else {
        var counterName = "Image ";
      }
      Element.show('numberDisplay');
      Element.setInnerHTML( 'numberDisplay', counterName + eval(activeImage + 1) + " of " + imageArray.length);

      if((activeImage != 0) || (activeImage != (imageArray.length - 1))){
        Element.show('NPDisplayDash');
        Element.setInnerHTML( 'NPDisplayDash', '&nbsp;-&nbsp;');
      }
      Element.show('NPDisplay');
      // if not first image in set, display prev image button
      if(activeImage != 0){
        Element.show('NPDisplayPrev');
        Element.setInnerHTML( 'NPDisplayPrev', '< Previous');
        document.getElementById('NPDisplayPrev').onclick = function() {
          myLightbox.changeImage(activeImage - 1); return false;
        }
      }
      if((activeImage != 0) && (activeImage != (imageArray.length - 1))){
        Element.show('NPDisplaySpacer');
        Element.setInnerHTML( 'NPDisplaySpacer', '&nbsp;|&nbsp;');
      }
      // if not last image in set, display next image button
      if(activeImage != (imageArray.length - 1)){
        Element.show('NPDisplayNext');
        Element.setInnerHTML( 'NPDisplayNext', 'Next >');
        document.getElementById('NPDisplayNext').onclick = function() {
          myLightbox.changeImage(activeImage + 1); return false;
        }
      }
    }

    new Effect.Parallel(
      [ new Effect.SlideDown( 'imageDataContainer', { sync: true, duration: resizeDuration + 0.25, from: 0.0, to: 1.0 }),
        new Effect.Appear('imageDataContainer', { sync: true, duration: 1.0 }) ],
      { duration: 0.65, afterFinish: function() { myLightbox.updateNav();} }
    );
  },

  //
  //  updateNav()
  //  Display appropriate previous and next hover navigation.
  //
  updateNav: function() {

    //Element.show('hoverNav');


    //show next prev if shownp is set
    if (imageArray[activeImage][2]) {
      // if not first image in set, display prev image button
      /*
      if(activeImage != 0){
        Element.show('prevLinkB');
        document.getElementById('prevLinkB').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('nextLinkB');
        document.getElementById('nextLinkB').onclick = function() {
          myLightbox.changeImage(activeImage + 1); return false;
        }
      }
      */
    } else {
      // 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;
    } else { // mozilla
      keycode = e.which;
    }

    key = String.fromCharCode(keycode).toLowerCase();

    if((key == 'x') || (key == 'o') || (key == 'c')){ // close lightbox
      myLightbox.end();
    } else if(key == 'p'){  // display previous image
      if(activeImage != 0){
        myLightbox.disableKeyboardNav();
        myLightbox.changeImage(activeImage - 1);
      }
    } else if(key == 'n'){  // 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){
      if (!imageArray[activeImage + 1][0].endsWith('swf')){
        preloadNextImage = new Image();
        preloadNextImage.src = imageArray[activeImage + 1][0];
      }
    }
    if(activeImage > 0){
      if (!imageArray[activeImage - 1][0].endsWith('swf')){
        preloadPrevImage = new Image();
        preloadPrevImage.src = imageArray[activeImage - 1][0];
      }
    }

  },

  //
  //  end()
  //
  end: function() {
      $('fCont').innerHTML = '';
    this.disableKeyboardNav();
    Element.hide('lightbox');
    new Effect.Fade('overlay', { duration: 0.2});
    showSelectBoxes();
  }
}

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

//
// getPageScroll()
// Returns array with x,y page scroll values.
// Core code from - quirksmode.org
//
function getPageScroll(){

  var yScroll;

  if (self.pageYOffset) {
    yScroll = self.pageYOffset;
  } else if (document.documentElement && document.documentElement.scrollTop){  // Explorer 6 Strict
    yScroll = document.documentElement.scrollTop;
  } else if (document.body) {// all other Explorers
    yScroll = document.body.scrollTop;
  }

  arrayPageScroll = new Array('',yScroll)
  return arrayPageScroll;
}

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

//
// getPageSize()
// Returns array with page width, height and window width, height
// Core code from - quirksmode.org
// Edit for Firefox by pHaez
//
function getPageSize(){

  var xScroll, yScroll;

  if (window.innerHeight && window.scrollMaxY) {
    xScroll = document.body.scrollWidth;
    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
    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 = windowWidth;
  } else {
    pageWidth = xScroll;
  }


  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(){
  selects = document.getElementsByTagName("select");
  for (i = 0; i != selects.length; i++) {
    selects[i].style.visibility = "visible";
  }
}

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

function hideSelectBoxes(){
  selects = document.getElementsByTagName("select");
  for (i = 0; i != selects.length; i++) {
    selects[i].style.visibility = "hidden";
  }
}

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

//
// pause(numberMillis)
// Pauses code execution for specified time. Uses busy code, not good.
// Code from http://www.faqts.com/knowledge_base/view.phtml/aid/1602
//
function pause(numberMillis) {
  var now = new Date();
  var exitTime = now.getTime() + numberMillis;
  while (true) {
    now = new Date();
    if (now.getTime() > exitTime)
      return;
  }
}

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



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