// -----------------------------------------------------------------------------------
//
//	Lightbox v2.03.3
//	by Lokesh Dhakar - http://www.huddletogether.com
//	5/21/06
//
//	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.com), Thomas Fuchs(mir.aculo.us), and others.
//
//  Modified by MetaDesign - http://www.metadesign.com
//  7/17/07
//
// -----------------------------------------------------------------------------------
/*

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

	Extending Built-in Objects	
	- Object.extend(Element)
	- Array.prototype.removeDuplicates()
	- Array.prototype.empty()
	- String.prototype.evalScripts()
	
	RequestParser Class Declaration
	- initialize()
	- parse()
	- parseContent()

	ContentRequestParser extends RequestParser
	- newFormName
	- changeFormContent()
	- parseContent()
	- globalize()

	AspContentRequestParser extends ContentRequestParser
	- changeFormContent()

	Lightbox Class Declaration
	- initialize()
	- updateImageList()
	- start()
	- changeImage()
	- onAjaxSuccess()
	- onAjaxFailure()
	- changeLightboxStyles()
	- stripFormTags()
	- changeContent()
	- resizeImageContainer()
	- showImage()
	- showContent()
	- updateDetails()
	- updateNav()
	- enableKeyboardNav()
	- disableKeyboardNav()
	- keyboardAction()
	- preloadNeighborImages()
	- end()
	
	AspLightbox extends Lightbox
	- initialize()
	- onAjaxSuccess()
	- revertFormContent()

	Miscellaneous Functions
	- getPageScroll()
	- getPageSize()
	- getKey()
	- listenKey()
	- showSelectBoxes()
	- hideSelectBoxes()
	- showFlash()
	- hideFlash()
	- pause()
	- initLightbox()
	
	Function Calls
	- addLoadEvent(initLightbox)
	
*/
// -----------------------------------------------------------------------------------

//
//	Configuration
//
var overlayOpacity = 0.6;	// 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 resizeDelay = 3;		// controls the overlap of dimensions resizing (0=simultaneous and 10=in order)

var borderSize = 12;		//if you adjust the padding in the CSS, you will need to update this variable

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

//
//	Global Variables
//
var imageArray = new Array;
var activeImage;
var requestedUrl;

if(animate == true){
	overlayDuration = 0.2;	// shadow fade in/out duration
	if(resizeSpeed > 10){ resizeSpeed = 10;}
	if(resizeSpeed < 1){ resizeSpeed = 1;}
	resizeDuration = (11 - resizeSpeed) * 0.15;
	if(resizeDelay > 10){ resizeDelay = 10;}
	if(resizeDelay < 0){ resizeDelay = 0;}
	resizeOverlap = (resizeDelay / 10) * resizeDuration;
} else { 
	overlayDuration = 0;
	resizeDuration = 0;
	resizeOverlap = 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();
	}
}

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

//
//	Overriding String.evalScripts in prototype
//	IE chokes on old comment delimiters inside <script> tags: <!-- -->
//  Replace with <![CDATA[ ]]> delimiters
//
String.prototype.evalScripts = function () {
  return this.extractScripts().map(function(script) {
    return eval(
      script.replace("<!--", "// <![CDATA[").replace("// -->", "//]]>")
    );
  });
}

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

//
//	Creating generic RequestParser object
//
var RequestParser = Class.create();

RequestParser.prototype = {
  initialize: function() {
    this.title        = "";
    this.width        = 450;
    this.height       = 550;
    this.controls     = "Both";  // Available values: Both, Top, Bottom, None
    this.controlText  = "Close";
    this.content      = "";
  },
	
	parse: function(pReturnVal) {
	  
	  var returnObj;
	  try {
	    returnObj = eval("(" + pReturnVal + ")");
	  } catch (e) {
	    return;
	  }

	  if (returnObj.title) {
	    this.title = returnObj.title;
	  }
	  if (returnObj.width) {
  	  this.width = parseInt(returnObj.width);
	  }
	  if (returnObj.height) {
  	  this.height = parseInt(returnObj.height);
	  }
	  if (returnObj.controls) {
  	  this.controls = returnObj.controls;
	  }
	  if (returnObj.controlText) {
  	  this.controlText = returnObj.controlText;
	  }
	  if (returnObj.content) {
	    this.content = this.parseContent(returnObj.content);
	  }
	},
	
	parseContent: function(pContent) {
    return pContent;
	}
};

//
//	Extending ContentRequestParser object to specifically handle ASP.NET content
//
var AspContentRequestParser = Class.create();

Object.extend(Object.extend(AspContentRequestParser.prototype, RequestParser.prototype), {
  newFormName: "lightboxForm",
  
  // Globalizes a form variable in pScript by removing the var declaration.
  globalize: function(pScript, pVarName) {
    return pScript.replace("var " + pVarName, pVarName);
  },

  // form on incoming lightbox content will have same 
  // name, id and default action as form on calling page
  // change values here to avoid fatal errors on form submission
  parseContent: function(pContent) {
    var aspFormVarName = "theForm";
    var aspFnName = "__doPostBack";
    
    // some calling pages don't have postback js code
    // in that case, no need to change form content
    if (typeof theForm == "undefined") { return pContent; }
    
    // else, continue with replacements
    // lightbox form name
    var r1 = pContent.replace(/aspnetForm/g, this.newFormName);
    
    // Find the script block that declares theForm and __doPostback.
    var allScripts = r1.extractScripts();
    var formScript;
    for (var i=0; i<allScripts.length; i++) {
      if (allScripts[i].indexOf(aspFnName) >= 0) {
        formScript = allScripts[i];
        break;
      }
    }
    // globalize form var name
    if (formScript) {
      var newScript = this.globalize(formScript, aspFormVarName);
      return r1.replace(formScript, newScript);
    }
    return r1;
  }
  
});

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

//
//	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. Calls updateImageList 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.updateImageList();

		// Code inserts html at the bottom of the page that looks similar to this:
		//
    // <div id="overlay" style="display:none;"></div>
    // <div id="lightbox" style="display:none;">
    //   <div id="outerContainer" style="width:250px;height:250px;">
    //     <div class="control" id="lbHeader">
    //       <a class="btnClose" href="javascript:void(0);" id="btnCloseTop"></a>
    //     </div>
    //     <div id="innerContainer">
    //       [this will contain retrieved content]
    //     </div>
    //     <div class="control" id="lbFooter">
    //       <a class="btnClose" href="javascript:void(0);" id="btnCloseBtm"></a>
    //     </div>
    //     <div id="loading">
    //       <a href="#" id="loadingLink"></a>
    //     </div>
    //   </div>
    // </div>

		var objBody = document.getElementsByTagName("body").item(0);
		
		// Remove existing elements first if exist (due to ASP.net AJAX async. postback in FF)
        if ($('overlay') != null)
        {
          objBody.removeChild( $('overlay') );
        } 

        if ($('lightbox') != null)
        {
          objBody.removeChild( $('lightbox') );
        }
    
		var objOverlay = document.createElement("div");
		objOverlay.setAttribute('id','overlay');
		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) {	// close Lightbox if user clicks shadow overlay
			if (!e) var e = window.event;
			var clickObj = Event.element(e).id;
			if ( clickObj == 'lightbox') {
				myLightbox.end();
			}
		};
		objBody.appendChild(objLightbox);
			
		var objOuterContainer = document.createElement("div");
		objOuterContainer.setAttribute('id','outerContainer');
		objLightbox.appendChild(objOuterContainer);

		// 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('outerContainer', 250);
			Element.setHeight('outerContainer', 250);			
		} else {
			Element.setWidth('outerContainer', 1);
			Element.setHeight('outerContainer', 1);			
		}
	
		var objHeader = document.createElement("div");
		objHeader.setAttribute('id','lbHeader');
		objHeader.className = 'control';
		objOuterContainer.appendChild(objHeader);
		this.header = objHeader;
	
		var objBtnCloseTop = document.createElement("a");
		objBtnCloseTop.setAttribute('id','btnCloseTop');
		objBtnCloseTop.setAttribute('href','javascript:void(0)');
		objBtnCloseTop.onclick = function() { return safeClose(); };
		objBtnCloseTop.className = 'btnClose';
		objHeader.appendChild(objBtnCloseTop);
		this.btnTop = objBtnCloseTop;

		var objInnerContainer = document.createElement("div");
		objInnerContainer.setAttribute('id','innerContainer');
		objOuterContainer.appendChild(objInnerContainer);
		
		var objFooter = document.createElement("div");
		objFooter.setAttribute('id','lbFooter');
		objFooter.className = 'control';
		objOuterContainer.appendChild(objFooter);
		this.footer = objFooter;

		var objBtnCloseBtm = document.createElement("a");
		objBtnCloseBtm.setAttribute('id','btnCloseBtm');
		objBtnCloseBtm.setAttribute('href','javascript:void(0)');
		objBtnCloseBtm.onclick = function() { return safeClose(); };
		objBtnCloseBtm.className = 'btnClose';
		objFooter.appendChild(objBtnCloseBtm);
		this.btnBtm = objBtnCloseBtm;
	
		var objLoading = document.createElement("div");
		objLoading.setAttribute('id','loading');
		objOuterContainer.appendChild(objLoading);
	
		var objLoadingLink = document.createElement("a");
		objLoadingLink.setAttribute('id','loadingLink');
		objLoadingLink.setAttribute('href','#');
		objLoadingLink.onclick = function() { myLightbox.end(); return false; }
		objLoading.appendChild(objLoadingLink);
	
		requestedUrl = window.location;

	  this.parser = new RequestParser();
	},
	
	//
	// updateImageList()
	// Loops through anchor tags looking for 'lightbox' references and applies onclick
	// events to appropriate links. You can rerun after dynamically adding images w/ajax.
	//
	updateImageList: 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 image is part of a set, add siblings to imageArray.
	//
	start: function(imageLink) {	
		hideSelectBoxes();
		hideFlash();

		// stretch overlay to fill page and fade in
		var arrayPageSize = getPageSize();
		Element.setWidth('overlay', arrayPageSize[0]);
		Element.setHeight('overlay', arrayPageSize[1]);

		new Effect.Appear('overlay', { duration: overlayDuration, from: 0.0, to: overlayOpacity });

		imageArray = [];
		imageNum = 0;		

		if (!document.getElementsByTagName){ return; }
		var anchors = document.getElementsByTagName( imageLink.tagName);

		// if image is NOT part of a set..
		if((imageLink.getAttribute('rel') == 'lightbox')){
			// add single image to imageArray
			imageArray.push(new Array(imageLink.getAttribute('href'), imageLink.getAttribute('title')));			
		} else {
		// if image is part of a set..

			// loop through anchors, find other images in set, and add them to imageArray
			for (var i=0; i<anchors.length; i++){
				var anchor = anchors[i];
				if (anchor.getAttribute('href') && (anchor.getAttribute('rel') == imageLink.getAttribute('rel'))){
					imageArray.push(new Array(anchor.getAttribute('href'), anchor.getAttribute('title')));
				}
			}
			imageArray.removeDuplicates();
			while(imageArray[imageNum][0] != imageLink.getAttribute('href')) { imageNum++;}
		}

		// calculate top and left offset for the lightbox 
		var arrayPageScroll = getPageScroll();
		// Center for the largest possible window (590 px).
		var lightboxTop = (arrayPageSize[3] - 590)/2;
		// If the window is larger than the page area, just align at the top.
		if (lightboxTop < 0) {
		  lightboxTop = 0;
		}
		// Account for scrolling.
		lightboxTop += arrayPageScroll[1];
		var lightboxLeft = arrayPageScroll[0];
		Element.setTop('lightbox', lightboxTop);
		Element.setLeft('lightbox', lightboxLeft);
		
		Element.show('lightbox');
		
		requestedUrl = imageLink.getAttribute('href');
		this.changeContent(imageLink.getAttribute('href'));
	},


	//
	//	changeImage()
	//	Hide most elements and preload image in preparation for resizing image container.
	//
	changeImage: function(imageNum) {	
		
		activeImage = imageNum;	// update global var

		// hide elements during transition
		if(animate){ Element.show('loading');}
		Element.hide('lightboxImage');
		Element.hide('hoverNav');
		Element.hide('prevLink');
		Element.hide('nextLink');
		Element.hide('imageDataContainer');
		Element.hide('numberDisplay');		
		
		imgPreloader = new Image();
		
		// once image is preloaded, resize image container
		imgPreloader.onload=function(){
			Element.setSrc('lightboxImage', imageArray[activeImage][0]);
			myLightbox.resizeImageContainer(imgPreloader.width, imgPreloader.height);
			
			imgPreloader.onload=function(){};	//	clear onLoad, IE behaves erratically with animated gifs otherwise 
		}
		imgPreloader.src = imageArray[activeImage][0];
	},

	
	// ajax success and failure methods
	onAjaxSuccess: function(t) {
    // load content
    var response = t.responseText;
    
    // Catch any errors during parsing.
    try {
      this.parser.parse(response);
    } catch (e) {
      this.onAjaxFailure();
    }
		Element.setInnerHTML('innerContainer', this.parser.content);

		// execute js scripts found in responseText
    // Catch any errors.
    try {
      $('innerContainer').innerHTML.evalScripts();
    } catch (e) {
      this.onAjaxFailure();
    }

    // resize lightbox
		myLightbox.resizeContainer(this.parser.width, this.parser.height);

		// Display controls
		this.displayControls(this.parser.controls);
		this.setButtonText(this.parser.controlText);

		// now that we know the lightbox works,
		// apply lightbox-specific styles
		this.changeLightboxStyles();

    // fix for ASP.Net AJAX UpdatePanels:
    //   document header(footer) panels are not 'linked' to this.header(footer) properties
    if ((this.parser.controls == "Top") || (this.parser.controls == "Both")) {
      $('lbHeader').style.display = "block";
    } else {
      $('lbHeader').style.display = "none";
    }
    if ((this.parser.controls == "Bottom") || (this.parser.controls == "Both")) {
      $('lbFooter').style.display = "block";
    } else {
      $('lbFooter').style.display = "none";
    }
    $('btnCloseTop').innerHTML = this.parser.controlText;
    $('btnCloseBtm').innerHTML = this.parser.controlText;
	},
	
	onAjaxFailure: function() {
	  myLightbox.end();
	  window.location = requestedUrl;
	  return false;
	},
	
	
	//
	//	changeLightboxStyles()
	//	Baseline styles will apply to full-page rendering 
	//  of pages that were intended to be in a lightbox, but failed
	//  e.g. if js disabled, or ajax fails
	//  If we get to onAjaxSuccess, we apply styles to make actual lightbox look correct
	//
	changeLightboxStyles: function() {
	  var cont = $('lbContentOuter');
	  cont.className = "lbContentOuter";
  },
	
	//
	//	changeContent()
	//	Hide most elements and preload content in preparation for resizing container.
	//
	changeContent: function(pUrl) {	
		
		// hide elements during transition
		if(animate){ Element.show('loading');}
		Element.hide('innerContainer');

		// retrieve content
		var params = 'ajax=1';
		new Ajax.Request(pUrl, {
		  parameters:params, 
		  onSuccess:this.onAjaxSuccess.bindAsEventListener(this), 
		  onFailure:this.onAjaxFailure.bindAsEventListener(this)
		});
	},
	
	//
	//	adjustContainerDims()
	//	Adjusts the container dimensions based on combination of controls selected for display
	//
	adjustContainerDims: function(pControlsValue, pOuterHeight) {
	
	  var controlHeight = 24; // controls are currently 24px tall
	  var container = 'innerContainer';
	  var h = pOuterHeight;
	  var offset = 0;
	  
	  switch (pControlsValue) {
	    case "Top":
		    h = pOuterHeight - controlHeight;
		    offset = controlHeight;
		    break;
		    
	    case "Bottom":
		    h = pOuterHeight - controlHeight;
		    break;
		    
	    case "Both":
		    h = pOuterHeight - (controlHeight * 2);
		    offset = controlHeight;
		    break;
		    
	    default:
		    // do nothing
		    break;
	  }

	  Element.setHeight(container, h);
	  Element.setTop(container, offset);
  },	      


	//
	//	resizeContainer()
	//
	resizeContainer: function( contWidth, contHeight) {

		// get current width and height
		this.widthCurrent = Element.getWidth('outerContainer');
		this.heightCurrent = Element.getHeight('outerContainer');

    if (this.widthCurrent == 0) { this.widthCurrent = 250; Element.setWidth('outerContainer', 250); }
    if (this.heightCurrent == 0) { this.heightCurrent = 250; Element.setHeight('outerContainer', 250); }

		// get new width and height
		var widthNew = (contWidth  + (borderSize * 2));
		//var heightNew = (contHeight  + (borderSize * 2));
		var heightNew = contHeight; // AdP: have border affect only width, not height calcs

		// 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('outerContainer', this.yScale, {scaleX: false, duration: resizeDuration, queue: 'front'}); }
		if(!( wDiff == 0)){ new Effect.Scale('outerContainer', this.xScale, {scaleY: false, delay: resizeOverlap, 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);} 
		}

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


	//
	//	showContent()
	//	Display content
	//
	showContent: function(){
		Element.hide('loading');
		new Effect.Appear('innerContainer', { duration: resizeDuration, queue: 'end' });
	},


	//
	//	updateDetails()
	//	Display caption, image number, and bottom nav.
	//
	updateDetails: function() {
	
		// if caption is not null
		if(imageArray[activeImage][1]){
			Element.show('caption');
			Element.setInnerHTML( 'caption', imageArray[activeImage][1]);
		}
		
		// if image is part of set display 'Image x of x' 
		if(imageArray.length > 1){
			Element.show('numberDisplay');
			Element.setInnerHTML( 'numberDisplay', "Image " + eval(activeImage + 1) + " of " + imageArray.length);
		}

		new Effect.Parallel(
			[ new Effect.SlideDown( 'imageDataContainer', { sync: true, duration: resizeDuration, from: 0.0, to: 1.0 }), 
			  new Effect.Appear('imageDataContainer', { sync: true, duration: resizeDuration }) ], 
			{ duration: resizeDuration, afterFinish: function() {
				// update overlay size and update nav
				var arrayPageSize = getPageSize();
				Element.setHeight('overlay', arrayPageSize[1]);
				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(activeImage != 0){
			Element.show('prevLink');
			document.getElementById('prevLink').onclick = function() {
				myLightbox.changeImage(activeImage - 1); return false;
			}
		}

		// if not last image in set, display next image button
		if(activeImage != (imageArray.length - 1)){
			Element.show('nextLink');
			document.getElementById('nextLink').onclick = function() {
				myLightbox.changeImage(activeImage + 1); return false;
			}
		}
		
		this.enableKeyboardNav();
	},


	//
	//	enableKeyboardNav()
	//
	enableKeyboardNav: function() {
		document.onkeydown = this.keyboardAction; 
	},


	//
	//	disableKeyboardNav()
	//
	disableKeyboardNav: function() {
		document.onkeydown = '';
	},


	//
	//	keyboardAction()
	//
	keyboardAction: function(e) {
		if (e == null) { // ie
			keycode = event.keyCode;
			escapeKey = 27;
		} else { // mozilla
			keycode = e.keyCode;
			escapeKey = e.DOM_VK_ESCAPE;
		}

		key = String.fromCharCode(keycode).toLowerCase();
		
		if((key == 'x') || (key == 'o') || (key == 'c') || (keycode == escapeKey)){	// close lightbox
			myLightbox.end();
		} else if((key == 'p') || (keycode == 37)){	// display previous image
			if(activeImage != 0){
				myLightbox.disableKeyboardNav();
				myLightbox.changeImage(activeImage - 1);
			}
		} else if((key == 'n') || (keycode == 39)){	// display next image
			if(activeImage != (imageArray.length - 1)){
				myLightbox.disableKeyboardNav();
				myLightbox.changeImage(activeImage + 1);
			}
		}

	},


	//
	//	preloadNeighborImages()
	//	Preload previous and next images.
	//
	preloadNeighborImages: function(){

		if((imageArray.length - 1) > activeImage){
			preloadNextImage = new Image();
			preloadNextImage.src = imageArray[activeImage + 1][0];
		}
		if(activeImage > 0){
			preloadPrevImage = new Image();
			preloadPrevImage.src = imageArray[activeImage - 1][0];
		}
	
	},


  /**
   * Reveals the close button for js enabled view
   * (default is display:none so that button doesn't display for non-js version)
  */
  displayControls: function(pControlsValue) {
    if ((pControlsValue == "Top") || (pControlsValue == "Both")) {
      this.header.style.display = "block";
    } else {
      this.header.style.display = "none";
    }
    if ((pControlsValue == "Bottom") || (pControlsValue == "Both")) {
      this.footer.style.display = "block";
    } else {
      this.footer.style.display = "none";
    }
  },
  
  setButtonText: function(pControlText) {
    this.btnTop.innerHTML = pControlText;
    this.btnBtm.innerHTML = pControlText;
  },

	//
	//	end()
	//
	end: function() {
	  this.displayControls("None");
		this.disableKeyboardNav();
		Element.hide('lightbox');
		Element.setInnerHTML('innerContainer', "");
		new Effect.Fade('overlay', { duration: overlayDuration});
		showSelectBoxes();
		showFlash();
	}
};

// -----------------------------------------------------------------------------------
		
//
//	Extending Lightbox class to address single-form interface issues 
//  arising from ASP.NET pages
//
var AspLightbox = Class.create();

Object.extend(Object.extend(AspLightbox.prototype, Lightbox.prototype), {
  initialize: function() {
    Lightbox.prototype.initialize.apply(this);
    
    this.parser = new AspContentRequestParser();
  },
  
  onAjaxSuccess: function(t) {
    Lightbox.prototype.onAjaxSuccess.apply(this, arguments);
    
    // set original lightbox URL as form action
    // TODO:  This is asp specific, it should be factored out.
    if (typeof theForm != "undefined" && theForm.id == "lightboxForm") {
      theForm.setAttribute("action", requestedUrl);
    }
  },
  
  end: function() {
    Lightbox.prototype.end.apply(this);
    
		// find form on calling page, if exists
		// set local var first to avoid overwriting
		var thisForm = document.forms['aspnetForm'];
    if (!thisForm) {
      thisForm = document.aspnetForm;
    }
    
    // if two ASP forms on page, perform overwrite
    // var theForm is reference to standard ASP.NET form output
		if (thisForm && (typeof theForm != "undefined")) {
		  theForm = thisForm;
    }
  }
});

// -----------------------------------------------------------------------------------
		
//
// 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();	
}
*/
// ---------------------------------------------------


// CHOOSE TYPE OF LIGHTBOX HERE
function initLightbox() { myLightbox = new AspLightbox(); }
Event.observe(window, 'load', initLightbox, false);

/**
 * Closes the lightbox
*/
function safeClose() {
  myLightbox.end();
}