// -----------------------------------------------------------------------------------
//
//	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()

	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
//
if (!fileLoadingImage) var fileLoadingImage = "images/loading.gif";		
if (!fileBottomNavCloseImage) var fileBottomNavCloseImage = "images/quitter.gif";
if (!fileBottomNavSuivantImage) var fileBottomNavSuivantImage = "images/suivant.gif";
if (!fileBottomNavPrecedantImage) var fileBottomNavPrecedantImage = "images/precedant.gif";
if (!fileBottomNavPlayImage) var fileBottomNavPlayImage = "images/jouer.gif";
if (!fileBottomNavStopImage) var fileBottomNavStopImage = "images/stop.gif";

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

var slideshowInterval = 3;	// Interval en seconde entre 2 images lors du slideshow

var borderSize = 3;	//if you adjust the padding in the CSS, you will need to update this variable

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

//
//	Global Variables
//
var imageArray = new Array;
var activeImage;
var lightboxInterval;
var lightboxIntervalOn = false;
var imageEnCours = false;

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. 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;}
			}
		}

		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 objEnteteLightbox = document.createElement("div");
		objEnteteLightbox.setAttribute('id','enteteLightbox');
		objEnteteLightbox.className = 'clearfix';
		objLightbox.appendChild(objEnteteLightbox);

		var objEnteteData = document.createElement("div");
		objEnteteData.setAttribute('id','enteteData');
		objEnteteLightbox.appendChild(objEnteteData);

		var objNumberDisplay = document.createElement("div");
		objNumberDisplay.setAttribute('id','numberDisplay');
		objEnteteData.appendChild(objNumberDisplay);
		
		var objBottomNav = document.createElement("div");
		objBottomNav.setAttribute('id','bottomNav');
		objEnteteData.appendChild(objBottomNav);
	
		var objPrevLink = document.createElement("a");
		objPrevLink.setAttribute('id','prevLink');
		objPrevLink.setAttribute('href','#');
        if (language_js == "uk") objPrevLink.setAttribute('title', 'Previous image (p)');
        else if (language_js == "de") objPrevLink.setAttribute('title', 'Vorhergehendes bild (v)');
        else objPrevLink.setAttribute('title', 'Image précédente (p)');
		objPrevLink.onclick = function() { myLightbox.previousImage(); return false; }
		objBottomNav.appendChild(objPrevLink);

		var objPrevLinkImage = document.createElement("img");
		objPrevLinkImage.setAttribute('src', fileBottomNavPrecedantImage);
		objPrevLink.appendChild(objPrevLinkImage);

		var objPlayLink = document.createElement("a");
		objPlayLink.setAttribute('id','playLink');
		objPlayLink.setAttribute('href','#');
        if (language_js == "uk") objPlayLink.setAttribute('title', 'Start slideshow (space)');
        else if (language_js == "de") objPlayLink.setAttribute('title', 'Slideshow beginnen (space)');
        else objPlayLink.setAttribute('title', 'Démarrez le diaporama (space)');
		objPlayLink.onclick = function() { myLightbox.playStop(); return false; }
		objBottomNav.appendChild(objPlayLink);

		var objPlayLinkImage = document.createElement("img");
		objPlayLinkImage.setAttribute('id','playLinkImage');
		objPlayLinkImage.setAttribute('src', fileBottomNavPlayImage);
		objPlayLink.appendChild(objPlayLinkImage);
		
		var objNextLink = document.createElement("a");
		objNextLink.setAttribute('id','nextLink');
		objNextLink.setAttribute('href','#');
        if (language_js == "uk") objNextLink.setAttribute('title', 'Next image (n)');
        else if (language_js == "de") objNextLink.setAttribute('title', 'Folgendes bild (f)');
        else objNextLink.setAttribute('title', 'Image suivante (s)');
		objNextLink.onclick = function() { myLightbox.nextImage(); return false; }
		objBottomNav.appendChild(objNextLink);

		var objNextLinkImage = document.createElement("img");
		objNextLinkImage.setAttribute('src', fileBottomNavSuivantImage);
		objNextLink.appendChild(objNextLinkImage);

		var objBottomNavCloseLink = document.createElement("a");
		objBottomNavCloseLink.setAttribute('id','bottomNavClose');
		objBottomNavCloseLink.setAttribute('href','#');
        if (language_js == "uk") objBottomNavCloseLink.setAttribute('title', 'Fermer (x)');
        else if (language_js == "de") objBottomNavCloseLink.setAttribute('title', 'Ende (x)');
        else objBottomNavCloseLink.setAttribute('title', 'Close (x)');
		objBottomNavCloseLink.onclick = function() { myLightbox.end(); return false; }
		objBottomNav.appendChild(objBottomNavCloseLink);
	
		var objBottomNavCloseImage = document.createElement("img");
		objBottomNavCloseImage.setAttribute('src', fileBottomNavCloseImage);
		objBottomNavCloseLink.appendChild(objBottomNavCloseImage);


		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 objImageLink = document.createElement("a");
		objImageLink.setAttribute('href','#');
		objImageLink.onclick = function() { myLightbox.nextImage(); return false; }
		objImageContainer.appendChild(objImageLink);
	
		var objLightboxImage = document.createElement("img");
		objLightboxImage.setAttribute('id','lightboxImage');
		objImageLink.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);
	
		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 objCaption = document.createElement("div");
		objCaption.setAttribute('id','caption');
		objImageData.appendChild(objCaption);
	},
	
	//
	//	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('caption')));			
		} 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('caption')));
				}
			}
			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.
	//
	startTimer: function() {	
		document.getElementById('playLinkImage').setAttribute('src', fileBottomNavStopImage);
        if (language_js == "uk") document.getElementById('playLink').setAttribute('title', 'Stop slideshow (space)');
        else if (language_js == "de") document.getElementById('playLink').setAttribute('title', 'Slideshow stoppen (space)');
        else document.getElementById('playLink').setAttribute('title', 'Arrêtez le diaporama (space)');
		document.getElementById('playLink').onclick = function() {
			myLightbox.stopTimer(); return false;
		}

        myLightbox.nextImageAction();
        lightboxInterval = setInterval("myLightbox.nextImageAction()", slideshowInterval * 1000 + resizeDuration);
        lightboxIntervalOn = true;
	},

	stopTimer: function() {	
        if (lightboxIntervalOn) {
            clearInterval(lightboxInterval);
            lightboxIntervalOn = false;
        }

		document.getElementById('playLinkImage').setAttribute('src', fileBottomNavPlayImage);
        if (language_js == "uk") document.getElementById('playLink').setAttribute('title', 'Start slideshow (space)');
        else if (language_js == "de") document.getElementById('playLink').setAttribute('title', 'Slideshow beginnen (space)');
        else document.getElementById('playLink').setAttribute('title', 'Démarrez le diaporama (space)');
		document.getElementById('playLink').onclick = function() {
			myLightbox.startTimer(); return false;
		}
	},

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

		// hide elements during transition
		Element.show('loading');
		Element.hide('lightboxImage');
		Element.hide('enteteLightbox');
		Element.hide('numberDisplay');		
		if (imageArray.length <= 1){
    		Element.hide('prevLink');
    		Element.hide('playLink');
    		Element.hide('nextLink');
    	}
		Element.hide('imageDataContainer');
		
		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];
	},


	previousImage: function() {	
	    if (imageArray.length > 1) {
            myLightbox.stopTimer();
    	    if (activeImage != 0) {
    			myLightbox.changeImage(activeImage - 1);
    		} else {
    			myLightbox.changeImage(imageArray.length - 1);
    		}
    	}
	    return false;
	},

	nextImage: function() {	
        myLightbox.stopTimer();
		myLightbox.nextImageAction();
        return false;
 	},

	nextImageAction: function() {	
	    if (imageEnCours) return false;
	    if (imageArray.length > 1) {
    		if(activeImage != (imageArray.length - 1)){
    			myLightbox.changeImage(activeImage + 1);
    	    } else {
    			myLightbox.changeImage(0);
    	    }
    	} else myLightbox.end();
        return false;
 	},

	playStop: function() {	
        if (lightboxIntervalOn) {
            myLightbox.stopTimer();
		} else {
			myLightbox.startTimer(); 
		}
        return false;
 	},

	//
	//	resizeImageContainer()
	//
	resizeImageContainer: function( imgWidth, imgHeight) {
	    
	    if (imgWidth < 100) imgWidth = 200;

		// 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.setWidth('imageDataContainer', imgWidth + (borderSize * 2));
		Element.setWidth('enteteLightbox', imgWidth + (borderSize * 2));

		this.showImage();
	},
	
	//
	//	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){
			Element.show('numberDisplay');
            if (language_js == "uk") Element.setInnerHTML( 'numberDisplay', "Image " + eval(activeImage + 1) + " of " + imageArray.length);
            else if (language_js == "de") Element.setInnerHTML( 'numberDisplay', "Bild " + eval(activeImage + 1) + " auf " + imageArray.length);
            else Element.setInnerHTML( 'numberDisplay', "Image " + eval(activeImage + 1) + " sur " + imageArray.length);
		}

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

	//
	//	updateNav()
	//	Display appropriate previous and next hover navigation.
	//
	updateNav: function() {
		this.enableKeyboardNav();
        imageEnCours = false;
	},

	//
	//	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' || key == 'v'){	// display previous image
			myLightbox.disableKeyboardNav();
			myLightbox.previousImage();
		} else if(key == 'n' || key == 's' || key == 'f'){	// display next image
			myLightbox.disableKeyboardNav();
			myLightbox.nextImage();
		} else if(key == ' '){	// slideshow
            if (lightboxIntervalOn) {
   				myLightbox.stopTimer();
    		} else {
			    myLightbox.disableKeyboardNav();
   				myLightbox.startTimer();
    		}
		}


	},

	//
	//	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() {
        myLightbox.stopTimer();
		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);