// -----------------------------------------------------------------------------------
//
//	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.
//
//
// -----------------------------------------------------------------------------------
// modified 21/04/07 by us
/*

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

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

	Lightbox Class Declaration
	- initialize()
	- start()
	- changeImage()
	- resizeImageContainer()
	- showImage()
	- updateDetails()
	- updateNav()
	- enableKeyboardNav()
	- disableKeyboardNav()
	- keyboardAction()
	- preloadNeighborImages()
	- end()
	
	Miscellaneous Functions
	- getPageScroll()
	- getPageSize()
	- getKey()
	- listenKey()
	- showSelectBoxes()
	- hideSelectBoxes()
	- pause()
	- initLightbox()
	
	Function Calls
	- addLoadEvent(initLightbox)
	
*/
// -----------------------------------------------------------------------------------

//
//	Configuration
//
var fileLoadingImage = "CommonFiles/loading.gif";		
var fileBottomNavCloseImage = "CommonFiles/LB_closelabel.gif";
if (typeof customFileBottomNavCloseImage != 'undefined') fileBottomNavCloseImage = customFileBottomNavCloseImage;

var resizeSpeed = 10; //7;	// controls the speed of the image resizing (1=slowest and 10=fastest)

var borderSize = 0;	//if you adjust the padding in the CSS, you will need to update this variable

//ss var iLogoHeight = 40;//70;
//ss var iLogoWidth = 100;
var iNavH = 30;  // imageNav height

var imgPreloader;
// -----------------------------------------------------------------------------------

//
//	Global Variables
//
var imageArray = new Array;
var activeImage, enterImage;

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

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

//
//	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()
//
Array.prototype.removeDuplicates = function () {
	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();
	}
}

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

//
//	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. /* new modification:: */
	// also looks for javascript array arIL which contains list of links for doing previous and next moving if 
	// there is only one image to click on, but have a set of images behind it.	
	// 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 () {
				    if (typeof HideDropMenus != 'undefined') HideDropMenus();
				    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="imageDetails">    
		//                    <div id="artistLogoContainer"><div id="ALCwrap"></div></div>
		//                </div>
	    //                <div id="imageContainer">
		//                  <div id="eCloseLink">
		//                          <a href="#" id="lblCloseLink"><img src="CommonFiles/LB_closelabel.png"></a>
		//                   </div>
		//    	            <img id="lightboxImage">
		//    	            <div id="loading">
		//                       <a href="#" id="loadingLink">
		//                          <img src="images/loading.gif">
		//                        </a>
		//                  </div>
	    //         </div>
        //              <div id="prevNavigation">
        //                <a id="prevLink" href="#"></a>
        //              </div>
		//               <div id="nextNavigation">
        //                  <a id="nextLink" href="#"></a>
        //                </div>
		//         <div id="imageDataContainerLB">
		//	        	    <div id="imageTitleHolder">
		//                          <span id="caption"></span>
		//                  </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 objBoxComp = document.createElement("div");
		objBoxComp.setAttribute('id','BoxComponents');
		objLightbox.appendChild(objBoxComp);
	*/	
/*navigation Previous * /    
	    var objPrevNavig = document.createElement("div");
		objPrevNavig.setAttribute('id','prevNavigation');
		objBoxComp.appendChild(objPrevNavig);
		
		var objPrevLink = document.createElement("a");
		objPrevLink.setAttribute('id','prevLink');
		objPrevLink.setAttribute('href','#');
		objPrevNavig.appendChild(objPrevLink);
/* end nav prev*/
		
		var objOuterImageContainer = document.createElement("div");
		objOuterImageContainer.setAttribute('id','outerImageContainer');
		objLightbox.appendChild(objOuterImageContainer);
		
	/*ss	var objImageDetails = document.createElement("div");
		objImageDetails.setAttribute('id','imageDetails');
		objOuterImageContainer.appendChild(objImageDetails);
*/
	 /* artist logo*/
/*ss	    var objArtistLogoContainer = document.createElement("div");
		objArtistLogoContainer.setAttribute('id','artistLogoContainer');
		objArtistLogoContainer.className = 'clearfix';
		objImageDetails.appendChild(objArtistLogoContainer);
		
		var objALCwrap = document.createElement("div");
		objALCwrap.setAttribute('id','ALCwrap');
		objArtistLogoContainer.appendChild(objALCwrap);
		Element.setInnerHTML( 'ALCwrap', sArtistLogo);
  */
    /* end artist logo */
	    
		var objImageContainer = document.createElement("div");
		objImageContainer.setAttribute('id','imageContainer');
		objOuterImageContainer.appendChild(objImageContainer);
 	/*	  
       var objLBImage = document.createElement("div");
		objLBImage.setAttribute('id','LBImage');
		objImageContainer.appendChild(objLBImage);
/*** close button **/
	   	var objBottomNav = document.createElement("div");
		objBottomNav.setAttribute('id','eCloseLink');
		objImageContainer.appendChild(objBottomNav);
	
	    var objBottomNavCloseLink = document.createElement("a");
		objBottomNavCloseLink.setAttribute('id','lblCloseLink');
		objBottomNavCloseLink.setAttribute('href','#');
		objBottomNavCloseLink.onclick = function() { myLightbox.end(); return false; }
		objBottomNav.appendChild(objBottomNavCloseLink);
		
		var objLoadingImage = document.createElement("img");
		objLoadingImage.setAttribute('src', fileBottomNavCloseImage);
		objBottomNavCloseLink.appendChild(objLoadingImage);
/***************/	  
		var objLightboxImage = document.createElement("img");
		objLightboxImage.setAttribute('id','lightboxImage');
		objImageContainer.appendChild(objLightboxImage);

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

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

		var objImageTitle = document.createElement("div");
		objImageTitle.setAttribute('id','imageTitleHolder');
		objImageDataContainer.appendChild(objImageTitle);
	
		var objCaption = document.createElement("span");
		objCaption.setAttribute('id','caption');
		objImageTitle.appendChild(objCaption);
/*
		var objImageData = document.createElement("div");
		objImageData.setAttribute('id','imageData');
		objImageDataContainer.appendChild(objImageData);
*/	
/*navigation Previous */    
	    var objPrevNavig = document.createElement("div");
		objPrevNavig.setAttribute('id','prevNavigation');
		objOuterImageContainer.appendChild(objPrevNavig);
		
		var objPrevLink = document.createElement("a");
		objPrevLink.setAttribute('id','prevLink');
		objPrevLink.setAttribute('href','#');
		objPrevNavig.appendChild(objPrevLink);
/* end nav prev*/
/*navigation Next */    
	    var objNextvNavig = document.createElement("div");
		objNextvNavig.setAttribute('id','nextNavigation');
		objOuterImageContainer.appendChild(objNextvNavig);
		
		var objNextLink = document.createElement("a");
		objNextLink.setAttribute('id','nextLink');
		objNextLink.setAttribute('href','#');
		objNextvNavig.appendChild(objNextLink);
/* end nav next*/

       	// get the height of the logo if image and set height to the logo container
  /*ss      if (sArtistLogo.indexOf('img')>-1){
	        ar1 = $('artistLogoContainer').getElementsByTagName('img');
	        if (ar1.length>0){
	            var ii = new Image;
	            ii.src = ar1[0].src;
	           // Element.setHeight('artistLogoContainer',ii.height);
	            iNavH = 20
	            iLogoHeight = Math.max(iLogoHeight,parseInt(ii.height)+iNavH);
	     
	            Element.setHeight('artistLogoContainer',iLogoHeight);
	            iLogoWidth = parseInt(ii.width);
	        }
	    }else {
	        // how to find the width of the logo when it is text
	        var objTemp = document.createElement("span");
	        objTemp.setAttribute('id', 'oTemp');
	        
	        objBody.appendChild(objTemp);
		    Element.setInnerHTML( 'oTemp', sArtistLogo);
		    iLogoWidth = Element.getWidth('oTemp')
		    Element.setWidth('ALCwrap',iLogoWidth);
	        
	    }
	*/    
	},
	
	//
	//	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')){
			// if exists array  arIL which holds links to set of images for lightbox
			var p=0, sActiveImg;
			var arTemp = new Array();
			var arImgName = new Array();
			if (arIL){
			    for(var i=1;i<arIL.length;i++){
			        imageArray.push(new Array(arIL[i].biglink, arIL[i].title, arIL[i].mlink));
			        // put in array just the last item from the image path - the image name
			        arTemp = arIL[i].biglink.split('/');
			        arImgName[p++] = arTemp[arTemp.length-1];
			    }
			    imageArray.removeDuplicates();
			   // alert('1: '+imageArray[imageNum][0]+'\n'+imageLink.getAttribute('href'))
			   // save in sActiveImg the last item from the image path - the image name
			   arTemp = imageLink.getAttribute('href').split('/');
			   sActiveImg = arTemp[arTemp.length-1];
			   
			   try{
			   /*
			    while(imageArray[imageNum][0].replace(/ /g,'%20') != imageLink.getAttribute('href').replace(/ /g,'%20')) { 
			        imageNum++;}
			    */
			        while(arImgName[imageNum].replace(/ /g,'%20') != sActiveImg.replace(/ /g,'%20')) { 
			            imageNum++;}
			   }
			   catch(e){myLightbox.end();return;}
			}
			else    // 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 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');
		
		enterImage = imageNum;
		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('eCloseLink');
		Element.hide('prevLink');
		Element.hide('nextLink');
	//ss	Element.hide('artistLogoContainer');
		Element.hide('imageDataContainerLB');
		
		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.src = imageArray[activeImage][0];
	},

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

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

	//ss	if(imgWidth < iLogoWidth ) imgWidth = iLogoWidth;
		
		// 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;
		
	//ss	$('imageDetails').className = '';
		$('imageContainer').className = '';
	
		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);} 
		}
        var iOICWidth = imgWidth  + Element.getWidth('imageDataContainerLB');
		var iOICHeight = imgHeight  + Element.getHeight('imageDataContainerLB') - 30;

//ss		Element.setHeight('imageDetails', iLogoHeight);
	//ss	Element.setWidth( 'imageTitleHolder', imgWidth + (borderSize * 2)-20);
		Element.setWidth( 'imageTitleHolder', imgWidth -10);
	//	Element.setWidth( 'ALCwrap', imgWidth + (borderSize * 2)-35);
	    Element.setHeight('prevNavigation', iOICHeight);
        Element.setHeight('nextNavigation', iOICHeight);
 		$('eCloseLink').style.right = borderSize + 'px';
		
        var iOverLHeight = Element.getHeight('overlay');
        var iOverLWidth = Element.getWidth('overlay');
        var arrayPageSize = getPageSize();
		var iOverLHeight = arrayPageSize[1];
		var iOverLWidth = arrayPageSize[0];
		
        if (iOverLHeight < iOICHeight+270 )
             Element.setHeight('overlay',iOICHeight+270);
        if (iOverLWidth < iOICWidth+130 ) {
             Element.setWidth('overlay',iOICWidth+140);
             var nL = (iOICWidth+70-iOverLWidth > 0 )? 60 : (iOICWidth+120-iOverLWidth);
             $('lightbox').style.left = nL + 'px';
       }else {
            $('lightbox').style.left = '0px';
        }
             

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

    afterShowImage: function(){	
  //ss      $('imageDetails').className = 'imageDetails'; 
        $('imageContainer').className = 'imageContainer';
        myLightbox.updateDetails();  
    },
	//
	//	updateDetails()
	//	Display caption, image number, and bottom nav.
	//
	updateDetails: function() {
	
		Element.show('caption');
		Element.setInnerHTML( 'caption', imageArray[activeImage][1]);
        $('caption').setAttribute('title', imageArray[activeImage][1]);
 //ss       Element.show('artistLogoContainer');
 //ss       Element.show('imageDetails');
		
		
		// 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( 'imageDataContainerLB', { sync: true, duration: resizeDuration + 0.25, from: 0.0, to: 1.0 }), 
			  new Effect.Appear('imageDataContainerLB', { sync: true, duration: 1.0 }) ], 
			{ duration: 0.65, afterFinish: function() { myLightbox.updateNav();} } 
		);
	
		
	},

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

		Element.show('eCloseLink');

	 //s *************************/
	   if(activeImage != 0){
			Element.show('prevLink');
			document.getElementById('prevLink').onclick = function() {
				myLightbox.changeImage(activeImage - 1); this.blur(); return false;
			}
		}
		if(activeImage != (imageArray.length - 1)){
			Element.show('nextLink');
			document.getElementById('nextLink').onclick = function() {
				myLightbox.changeImage(activeImage + 1); this.blur(); return false;
			}
		}
		
	//s *************************/

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

	//
	//	end()
	//
	end: function() {
		this.disableKeyboardNav();
		
		Element.setWidth('outerImageContainer',250);
		Element.setHeight('outerImageContainer',250);
		Element.hide('prevLink');
		Element.hide('nextLink');
 //ss       $('imageDetails').className='';
 //ss       Element.hide('imageDetails');
        Element.hide('imageDataContainerLB');

		Element.hide('lightbox');
		new Effect.Fade('overlay', { duration: 0.2});
		/* dev-us ***/
		//update the medium image in background if the big image has changed
		if (activeImage != enterImage) DoTheJob(imageArray[activeImage][2],'mainimage');
		/* end dev-us ***/
		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);