ÿþ/*

    This file is part of JonDesign's SmoothGallery v2.1beta1.



    JonDesign's SmoothGallery is free software; you can redistribute it and/or modify

    it under the terms of the GNU General Public License as published by

    the Free Software Foundation; either version 3 of the License, or

    (at your option) any later version.



    JonDesign's SmoothGallery is distributed in the hope that it will be useful,

    but WITHOUT ANY WARRANTY; without even the implied warranty of

    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    GNU General Public License for more details.



    You should have received a copy of the GNU General Public License

    along with JonDesign's SmoothGallery; if not, write to the Free Software

    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA



    Main Developer: Jonathan Schemoul (JonDesign: http://www.jondesign.net/)

    Contributed code by:

    - Christian Ehret (bugfix)

	- Nitrix (bugfix)

	- Valerio from Mad4Milk for his great help with the carousel scrolling and many other things.

	- Archie Cowan for helping me find a bugfix on carousel inner width problem.

	- Tomocchino from #mootools for the preloader class

	Many thanks to:

	- The mootools team for the great mootools lib, and it's help and support throughout the project.

	- Harald Kirschner (digitarald: http://digitarald.de/) for all his great libs. Some used here as plugins.

*/



/* some quirks to circumvent broken stuff in mt1.2 */

function isBody(element){

	return (/^(?:body|html)$/i).test(element.tagName);

};

Element.implement({

	getPosition: function(relative){

		if (isBody(this)) return {x: 0, y: 0};

		var el = this, position = {x: 0, y: 0};

		while (el){

			position.x += el.offsetLeft;

			position.y += el.offsetTop;

			el = el.offsetParent;

		}

		var rpos = (relative) ? $(relative).getPosition() : {x: 0, y: 0};

		return {x: position.x - rpos.x, y: position.y - rpos.y};

	}

});



// declaring the class

var gallery = {

	Implements: [Events, Options],

	options: {

		showArrows: true,

		showCarousel: true,

		showInfopane: true,

		embedLinks: true,

		fadeDuration: 500,

		timed: false,

		delay: 9000,

		preloader: true,

		preloaderImage: true,

		preloaderErrorImage: true,

		/* Data retrieval */

		manualData: [],

		populateFrom: false,

		populateData: true,

		destroyAfterPopulate: true,

		elementSelector: "div.imageElement",

		titleSelector: "h3",

		subtitleSelector: "p",

		linkSelector: "a.open",

		imageSelector: "img.full",

		thumbnailSelector: "img.thumbnail",

		defaultTransition: "fade",

		/* InfoPane options */

		slideInfoZoneOpacity: 0.7,

		slideInfoZoneSlide: true,

		/* Carousel options */

		carouselMinimizedOpacity: 0.4,

		carouselMinimizedHeight: 20,

		carouselMaximizedOpacity: 0.9,

		thumbHeight: 75,

		thumbWidth: 100,

		thumbSpacing: 10,

		thumbIdleOpacity: 0.2,

		textShowCarousel: '7>1@065=8O',

		showCarouselLabel: true,

		thumbCloseCarousel: true,

		useThumbGenerator: false,

		thumbGenerator: 'resizer.php',

		useExternalCarousel: false,

		carouselElement: false,

		carouselHorizontal: true,

		activateCarouselScroller: true,

		carouselPreloader: true,

		textPreloadingCarousel: '03@C7:0',

		/* CSS Classes */

		baseClass: 'jdGallery',

		withArrowsClass: 'withArrows',

		/* Plugins: HistoryManager */

		useHistoryManager: false,

		customHistoryKey: false,

		/* Plugins: ReMooz */

		useReMooz: false

	},

	initialize: function(element, options) {

		this.setOptions(options);

		this.fireEvent('onInit');

		this.currentIter = 0;

		this.lastIter = 0;

		this.maxIter = 0;

		this.galleryElement = element;

		this.galleryData = this.options.manualData;

		this.galleryInit = 1;

		this.galleryElements = Array();

		this.thumbnailElements = Array();

		this.galleryElement.addClass(this.options.baseClass);

		

		if (this.options.useReMooz&&(this.options.defaultTransition=="fade"))

			this.options.defaultTransition="crossfade";

		

		this.populateFrom = element;

		if (this.options.populateFrom)

			this.populateFrom = this.options.populateFrom;		

		if (this.options.populateData)

			this.populateData();

		element.style.display="block";

		

		if (this.options.useHistoryManager)

			this.initHistory();

		

		if ((this.options.embedLinks)|(this.options.useReMooz))

		{

			this.currentLink = new Element('a').addClass('open').setProperties({

				href: '#',

				title: ''

			}).injectInside(element);

			if ((!this.options.showArrows) && (!this.options.showCarousel))

				this.galleryElement = element = this.currentLink;

			else

				this.currentLink.setStyle('display', 'none');

		}

		

		this.constructElements();

		if ((this.galleryData.length>1)&&(this.options.showArrows))

		{

			var leftArrow = new Element('a').addClass('left').addEvent(

				'click',

				this.prevItem.bind(this)

			).injectInside(element);

			var rightArrow = new Element('a').addClass('right').addEvent(

				'click',

				this.nextItem.bind(this)

			).injectInside(element);

			this.galleryElement.addClass(this.options.withArrowsClass);

		}

		this.loadingElement = new Element('div').addClass('loadingElement').injectInside(element);

		if (this.options.showInfopane) this.initInfoSlideshow();

		if (this.options.showCarousel) this.initCarousel();

		this.doSlideShow(1);

	},

	populateData: function() {

		currentArrayPlace = this.galleryData.length;

		options = this.options;

		var data = $A(this.galleryData);

		data.extend(this.populateGallery(this.populateFrom, currentArrayPlace));

		this.galleryData = data;

		this.fireEvent('onPopulated');

	},

	populateGallery: function(element, startNumber) {

		var data = [];

		options = this.options;

		currentArrayPlace = startNumber;

		element.getElements(options.elementSelector).each(function(el) {

			elementDict = $H({

				image: el.getElement(options.imageSelector).getProperty('src'),

				number: currentArrayPlace,

				transition: this.options.defaultTransition

			});

			if ((options.showInfopane) | (options.showCarousel))

				elementDict.extend({

					title: el.getElement(options.titleSelector).innerHTML,

					description: el.getElement(options.subtitleSelector).innerHTML

				});

			if ((options.embedLinks) | (options.useReMooz))

				elementDict.extend({

					link: el.getElement(options.linkSelector).href||false,

					linkTitle: el.getElement(options.linkSelector).title||false,

					linkTarget: el.getElement(options.linkSelector).getProperty('target')||false

				});

			if ((!options.useThumbGenerator) && (options.showCarousel))

				elementDict.extend({

					thumbnail: el.getElement(options.thumbnailSelector).getProperty('src')

				});

			else if (options.useThumbGenerator)

				elementDict.extend({

					thumbnail: options.thumbGenerator + '?imgfile=' + elementDict.image + '&max_width=' + options.thumbWidth + '&max_height=' + options.thumbHeight

				});

			

			data.extend([elementDict]);

			currentArrayPlace++;

			if (this.options.destroyAfterPopulate)

				el.dispose();

		});

		return data;

	},

	constructElements: function() {

		el = this.galleryElement;

		if (this.options.embedLinks && (!this.options.showArrows))

			el = this.currentLink;

		this.maxIter = this.galleryData.length;

		var currentImg;

		for(i=0;i<this.galleryData.length;i++)

		{

			var currentImg = new Fx.Morph(

				new Element('div').addClass('slideElement').setStyles({

					'position':'absolute',

					'left':'0px',

					'right':'0px',

					'margin':'0px',

					'padding':'0px',

					'backgroundPosition':"center center",

					'opacity':'0'

				}).injectInside(el),

				{duration: this.options.fadeDuration}

			);

			if (this.options.preloader)

			{

				currentImg.source = this.galleryData[i].image;

				currentImg.loaded = false;

				currentImg.load = function(imageStyle, i) {

					if (!imageStyle.loaded)	{

						this.galleryData[i].imgloader = new Asset.image(imageStyle.source, {

		                            'onload'  : function(img, i){

													img.element.setStyle(

													'backgroundImage',

													"url('" + img.source + "')")

													img.loaded = true;

													img.width = this.galleryData[i].imgloader.width;

													img.height = this.galleryData[i].imgloader.height;

												}.pass([imageStyle, i], this)

						});

					}

				}.pass([currentImg, i], this);

			} else {

				currentImg.element.setStyle('backgroundImage',

									"url('" + this.galleryData[i].image + "')");

			}

			this.galleryElements[parseInt(i)] = currentImg;

		}

	},

	destroySlideShow: function(element) {

		var myClassName = element.className;

		var newElement = new Element('div').addClass('myClassName');

		element.parentNode.replaceChild(newElement, element);

	},

	startSlideShow: function() {

		this.fireEvent('onStart');

		this.loadingElement.style.display = "none";

		this.lastIter = this.maxIter - 1;

		this.currentIter = 0;

		this.galleryInit = 0;

		this.galleryElements[parseInt(this.currentIter)].set({opacity: 1});

		if (this.options.showInfopane)

			this.showInfoSlideShow.delay(1000, this);

		if (this.options.useReMooz)

			this.makeReMooz.delay(1000, this);

		var textShowCarousel = formatString(this.options.textShowCarousel, this.currentIter+1, this.maxIter);

		if (this.options.showCarousel&&(!this.options.carouselPreloader)&&(!this.options.useExternalCarousel))

			this.carouselBtn.set('html', textShowCarousel).setProperty('title', textShowCarousel);

		this.prepareTimer();

		if (this.options.embedLinks)

			this.makeLink(this.currentIter);

	},

	nextItem: function() {

		this.fireEvent('onNextCalled');

		this.nextIter = this.currentIter+1;

		if (this.nextIter >= this.maxIter)

			this.nextIter = 0;

		this.galleryInit = 0;

		this.goTo(this.nextIter);

	},

	prevItem: function() {

		this.fireEvent('onPreviousCalled');

		this.nextIter = this.currentIter-1;

		if (this.nextIter <= -1)

			this.nextIter = this.maxIter - 1;

		this.galleryInit = 0;

		this.goTo(this.nextIter);

	},

	goTo: function(num) {

		this.clearTimer();

		if(this.options.preloader)

		{

			this.galleryElements[num].load();

			if (num==0)

				this.galleryElements[this.maxIter - 1].load();

			else

				this.galleryElements[num - 1].load();

			if (num==(this.maxIter - 1))

				this.galleryElements[0].load();

			else

				this.galleryElements[num + 1].load();

				

		}

		if (this.options.embedLinks)

			this.clearLink();

		if (this.options.showInfopane)

		{

			this.slideInfoZone.clearChain();

			this.hideInfoSlideShow().chain(this.changeItem.pass(num, this));

		} else

			this.currentChangeDelay = this.changeItem.delay(500, this, num);

		if (this.options.embedLinks)

			this.makeLink(num);

		this.prepareTimer();

		/*if (this.options.showCarousel)

			this.clearThumbnailsHighlights();*/

	},

	changeItem: function(num) {

		this.fireEvent('onStartChanging');

		this.galleryInit = 0;

		if (this.currentIter != num)

		{

			for(i=0;i<this.maxIter;i++)

			{

				if ((i != this.currentIter)) this.galleryElements[i].set({opacity: 0});

			}

			gallery.Transitions[this.galleryData[num].transition].pass([

				this.galleryElements[this.currentIter],

				this.galleryElements[num],

				this.currentIter,

				num], this)();

			this.currentIter = num;

			if (this.options.useReMooz)

				this.makeReMooz();

		}

		var textShowCarousel = formatString(this.options.textShowCarousel, num+1, this.maxIter);

		if ((this.options.showCarousel)&&(!this.options.useExternalCarousel))

			this.carouselBtn.set('html', textShowCarousel).setProperty('title', textShowCarousel);

		this.doSlideShow.bind(this)();

		this.fireEvent('onChanged');

	},

	clearTimer: function() {

		if (this.options.timed)

			$clear(this.timer);

	},

	prepareTimer: function() {

		if (this.options.timed)

			this.timer = this.nextItem.delay(this.options.delay, this);

	},

	doSlideShow: function(position) {

		if (this.galleryInit == 1)

		{

			imgPreloader = new Image();

			imgPreloader.onload=function(){

				this.startSlideShow.delay(10, this);

			}.bind(this);

			imgPreloader.src = this.galleryData[0].image;

			if(this.options.preloader)

				this.galleryElements[0].load();

		} else {

			if (this.options.showInfopane)

			{

				if (this.options.showInfopane)

				{

					this.showInfoSlideShow.delay((500 + this.options.fadeDuration), this);

				} else

					if ((this.options.showCarousel)&&(this.options.activateCarouselScroller))

						this.centerCarouselOn(position);

			}

		}

	},

	createCarousel: function() {

		var carouselElement;

		if (!this.options.useExternalCarousel)

		{

			var carouselContainerElement = new Element('div').addClass('carouselContainer').injectInside(this.galleryElement);

			this.carouselContainer = new Fx.Morph(carouselContainerElement, {transition: Fx.Transitions.Expo.easeOut});

			this.carouselContainer.normalHeight = carouselContainerElement.offsetHeight;

			this.carouselContainer.set({'opacity': this.options.carouselMinimizedOpacity, 'top': (this.options.carouselMinimizedHeight - this.carouselContainer.normalHeight)});

			this.carouselBtn = new Element('a').addClass('carouselBtn').setProperties({

				title: this.options.textShowCarousel

			}).injectInside(carouselContainerElement);

			if(this.options.carouselPreloader)

				this.carouselBtn.set('html', this.options.textPreloadingCarousel);

			else

				this.carouselBtn.set('html', this.options.textShowCarousel);

			this.carouselBtn.addEvent(

				'click',

				function () {

					this.carouselContainer.cancel();

					this.toggleCarousel();

				}.bind(this)

			);

			this.carouselActive = false;

	

			carouselElement = new Element('div').addClass('carousel').injectInside(carouselContainerElement);

			this.carousel = new Fx.Morph(carouselElement);

		} else {

			carouselElement = $(this.options.carouselElement).addClass('jdExtCarousel');

		}

		this.carouselElement = new Fx.Morph(carouselElement, {transition: Fx.Transitions.Expo.easeOut});

		this.carouselElement.normalHeight = carouselElement.offsetHeight;

		if (this.options.showCarouselLabel)

			this.carouselLabel = new Element('p').addClass('label').injectInside(carouselElement);

		carouselWrapper = new Element('div').addClass('carouselWrapper').injectInside(carouselElement);

		this.carouselWrapper = new Fx.Morph(carouselWrapper, {transition: Fx.Transitions.Expo.easeOut});

		this.carouselWrapper.normalHeight = carouselWrapper.offsetHeight;

		this.carouselInner = new Element('div').addClass('carouselInner').injectInside(carouselWrapper);

		if (this.options.activateCarouselScroller)

		{

			this.carouselWrapper.scroller = new Scroller(carouselWrapper, {

				area: 100,

				velocity: 0.2

			})

			

			this.carouselWrapper.elementScroller = new Fx.Scroll(carouselWrapper, {

				duration: 400,

				onStart: this.carouselWrapper.scroller.stop.bind(this.carouselWrapper.scroller),

				onComplete: this.carouselWrapper.scroller.start.bind(this.carouselWrapper.scroller)

			});

		}

	},

	fillCarousel: function() {

		this.constructThumbnails();

		this.carouselInner.normalWidth = ((this.maxIter * (this.options.thumbWidth + this.options.thumbSpacing + 2))+this.options.thumbSpacing) + "px";

		if (this.options.carouselHorizontal)

			this.carouselInner.style.width = this.carouselInner.normalWidth;

	},

	initCarousel: function () {

		this.createCarousel();

		this.fillCarousel();

		if (this.options.carouselPreloader)

			this.preloadThumbnails();

	},

	flushCarousel: function() {

		this.thumbnailElements.each(function(myFx) {

			myFx.element.dispose();

			myFx = myFx.element = null;

		});

		this.thumbnailElements = [];

	},

	toggleCarousel: function() {

		if (this.carouselActive)

			this.hideCarousel();

		else

			this.showCarousel();

	},

	showCarousel: function () {

		this.fireEvent('onShowCarousel');

		this.carouselContainer.start({

			'opacity': this.options.carouselMaximizedOpacity,

			'top': 0

		}).chain(function() {

			this.carouselActive = true;

			this.carouselWrapper.scroller.start();

			this.fireEvent('onCarouselShown');

			this.carouselContainer.options.onComplete = null;

		}.bind(this));

	},

	hideCarousel: function () {

		this.fireEvent('onHideCarousel');

		var targetTop = this.options.carouselMinimizedHeight - this.carouselContainer.normalHeight;

		this.carouselContainer.start({

			'opacity': this.options.carouselMinimizedOpacity,

			'top': targetTop

		}).chain(function() {

			this.carouselActive = false;

			this.carouselWrapper.scroller.stop();

			this.fireEvent('onCarouselHidden');

			this.carouselContainer.options.onComplete = null;

		}.bind(this));

	},

	constructThumbnails: function () {

		element = this.carouselInner;

		for(i=0;i<this.galleryData.length;i++)

		{

			var currentImg = new Fx.Morph(new Element ('div').addClass("thumbnail").setStyles({

					backgroundImage: "url('" + this.galleryData[i].thumbnail + "')",

					backgroundPosition: "center center",

					backgroundRepeat: 'no-repeat',

					marginLeft: this.options.thumbSpacing + "px",

					width: this.options.thumbWidth + "px",

					height: this.options.thumbHeight + "px"

				}).injectInside(element), {duration: 200}).start({

					'opacity': this.options.thumbIdleOpacity

				});

			currentImg.element.addEvents({

				'mouseover': function (myself) {

					myself.cancel();

					myself.start({'opacity': 0.99});

					if (this.options.showCarouselLabel)

						$(this.carouselLabel).set('html', '<span class="number">' + (myself.relatedImage.number + 1) + "/" + this.maxIter + ":</span> " + myself.relatedImage.title);

				}.pass(currentImg, this),

				'mouseout': function (myself) {

					myself.cancel();

					myself.start({'opacity': this.options.thumbIdleOpacity});

				}.pass(currentImg, this),

				'click': function (myself) {

					this.goTo(myself.relatedImage.number);

					if (this.options.thumbCloseCarousel&&(!this.options.useExternalCarousel))

						this.hideCarousel();

				}.pass(currentImg, this)

			});

			

			currentImg.relatedImage = this.galleryData[i];

			this.thumbnailElements[parseInt(i)] = currentImg;

		}

	},

	log: function(value) {

		if(console.log)

			console.log(value);

	},

	preloadThumbnails: function() {

		var thumbnails = [];

		for(i=0;i<this.galleryData.length;i++)

		{

			thumbnails[parseInt(i)] = this.galleryData[i].thumbnail;

		}

		this.thumbnailPreloader = new Preloader();

		if (!this.options.useExternalCarousel)

			this.thumbnailPreloader.addEvent('onComplete', function() {

				var textShowCarousel = formatString(this.options.textShowCarousel, this.currentIter+1, this.maxIter);

				this.carouselBtn.set('html', textShowCarousel).setProperty('title', textShowCarousel);

			}.bind(this));

		this.thumbnailPreloader.load(thumbnails);

	},

	clearThumbnailsHighlights: function()

	{

		for(i=0;i<this.galleryData.length;i++)

		{

			this.thumbnailElements[i].cancel();

			this.thumbnailElements[i].start(0.2);

		}

	},

	changeThumbnailsSize: function(width, height)

	{

		for(i=0;i<this.galleryData.length;i++)

		{

			this.thumbnailElements[i].cancel();

			this.thumbnailElements[i].element.setStyles({

				'width': width + "px",

				'height': height + "px"

			});

		}

	},

	centerCarouselOn: function(num) {

		if (!this.carouselWallMode)

		{

			var carouselElement = this.thumbnailElements[num];

			var position = carouselElement.element.offsetLeft + (carouselElement.element.offsetWidth / 2);

			var carouselWidth = this.carouselWrapper.element.offsetWidth;

			var carouselInnerWidth = this.carouselInner.offsetWidth;

			var diffWidth = carouselWidth / 2;

			var scrollPos = position-diffWidth;

			this.carouselWrapper.elementScroller.start(scrollPos,0);

		}

	},

	initInfoSlideshow: function() {

		/*if (this.slideInfoZone.element)

			this.slideInfoZone.element.remove();*/

		this.slideInfoZone = new Fx.Morph(new Element('div').addClass('slideInfoZone').injectInside($(this.galleryElement))).set({'opacity':0});

		var slideInfoZoneTitle = new Element('h2').injectInside(this.slideInfoZone.element);

		var slideInfoZoneDescription = new Element('p').injectInside(this.slideInfoZone.element);

		this.slideInfoZone.normalHeight = this.slideInfoZone.element.offsetHeight;

		this.slideInfoZone.element.setStyle('opacity',0);

	},

	changeInfoSlideShow: function()

	{

		this.hideInfoSlideShow.delay(10, this);

		this.showInfoSlideShow.delay(500, this);

	},

	showInfoSlideShow: function() {

		this.fireEvent('onShowInfopane');

		this.slideInfoZone.cancel();

		element = this.slideInfoZone.element;

		element.getElement('h2').set('html', this.galleryData[this.currentIter].title);

		element.getElement('p').set('html', this.galleryData[this.currentIter].description);

		if(this.options.slideInfoZoneSlide)

			this.slideInfoZone.start({'opacity': [0, this.options.slideInfoZoneOpacity], 'height': [0, this.slideInfoZone.normalHeight]});

		else

			this.slideInfoZone.start({'opacity': [0, this.options.slideInfoZoneOpacity]});

		if (this.options.showCarousel)

			this.slideInfoZone.chain(this.centerCarouselOn.pass(this.currentIter, this));

		return this.slideInfoZone;

	},

	hideInfoSlideShow: function() {

		this.fireEvent('onHideInfopane');

		this.slideInfoZone.cancel();

		if(this.options.slideInfoZoneSlide)

			this.slideInfoZone.start({'opacity': 0, 'height': 0});

		else

			this.slideInfoZone.start({'opacity': 0});

		return this.slideInfoZone;

	},

	makeLink: function(num) {

		this.currentLink.setProperties({

			href: this.galleryData[num].link,

			title: this.galleryData[num].linkTitle

		})

		if (!((this.options.embedLinks) && (!this.options.showArrows) && (!this.options.showCarousel)))

			this.currentLink.setStyle('display', 'block');

	},

	clearLink: function() {

		this.currentLink.setProperties({href: '', title: ''});

		if (!((this.options.embedLinks) && (!this.options.showArrows) && (!this.options.showCarousel)))

			this.currentLink.setStyle('display', 'none');

	},

	makeReMooz: function() {

		this.currentLink.setProperties({

			href: '#'

		});

		this.currentLink.setStyles({

			'display': 'block'

		});

		

		this.galleryElements[this.currentIter].element.set('title', this.galleryData[this.currentIter].title + ' :: ' + this.galleryData[this.currentIter].description);

		this.ReMooz = new ReMooz(this.galleryElements[this.currentIter].element, {

			link: this.galleryData[this.currentIter].link,

			shadow: false,

			dragging: false,

			addClick: false,

			resizeOpacity: 1

		});

		var img = this.galleryElements[this.currentIter];

		var coords = img.element.getCoordinates();

		delete coords.right;

		delete coords.bottom;

		

		widthDiff = coords.width - img.width;

		heightDiff = coords.height - img.height;

		

		coords.width = img.width;

		coords.height = img.height;

		

		coords.left += Math.ceil(widthDiff/2)+1;

		coords.top += Math.ceil(heightDiff/2)+1;

		

		this.ReMooz.getOriginCoordinates = function(coords) {

			return coords;

		}.bind(this, coords);

		this.currentLink.onclick = function () {

			this.ReMooz.open.bind(this.ReMooz)();

			return false;

		}.bind(this);

	},

	/* To change the gallery data, those two functions : */

	flushGallery: function() {

		this.galleryElements.each(function(myFx) {

			myFx.element.dispose();

			myFx = myFx.element = null;

		});

		this.galleryElements = [];

	},

	changeData: function(data) {

		this.galleryData = data;

		this.clearTimer();

		this.flushGallery();

		if (this.options.showCarousel) this.flushCarousel();

		this.constructElements();

		if (this.options.showCarousel) this.fillCarousel();

		if (this.options.showInfopane) this.hideInfoSlideShow();

		this.galleryInit=1;

		this.lastIter=0;

		this.currentIter=0;

		this.doSlideShow(1);

	},

	/* Plugins: HistoryManager */

	initHistory: function() {

		this.fireEvent('onHistoryInit');

		this.historyKey = this.galleryElement.id + '-picture';

		if (this.options.customHistoryKey)

			this.historyKey = this.options.customHistoryKey;

		

		this.history = new History.Route({

			defaults: [1],

			pattern: this.historyKey + '\\((\\d+)\\)',

			generate: function(values) {

				return [this.historyKey, '(', values[0], ')'].join('')

			}.bind(this),

			onMatch: function(values, defaults) {

				if (parseInt(values[0])-1 < this.maxIter)

					this.goTo(parseInt(values[0])-1);

			}.bind(this)

		});

		this.addEvent('onChanged', function(){

			this.history.setValue(0, this.currentIter+1);

			this.history.defaults=[this.currentIter+1];

		}.bind(this));

		this.fireEvent('onHistoryInited');

	}

};

gallery = new Class(gallery);



gallery.Transitions = new Hash ({

	fade: function(oldFx, newFx, oldPos, newPos){

		oldFx.options.transition = newFx.options.transition = Fx.Transitions.linear;

		oldFx.options.duration = newFx.options.duration = this.options.fadeDuration;

		if (newPos > oldPos) newFx.start({opacity: 1});

		else

		{

			newFx.set({opacity: 1});

			oldFx.start({opacity: 0});

		}

	},

	crossfade: function(oldFx, newFx, oldPos, newPos){

		oldFx.options.transition = newFx.options.transition = Fx.Transitions.linear;

		oldFx.options.duration = newFx.options.duration = this.options.fadeDuration;

		newFx.start({opacity: 1});

		oldFx.start({opacity: 0});

	},

	fadebg: function(oldFx, newFx, oldPos, newPos){

		oldFx.options.transition = newFx.options.transition = Fx.Transitions.linear;

		oldFx.options.duration = newFx.options.duration = this.options.fadeDuration / 2;

		oldFx.start({opacity: 0}).chain(newFx.start.pass([{opacity: 1}], newFx));

	}

});



/* All code copyright 2007 Jonathan Schemoul */



/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

 * Follows: Preloader (class)

 * Simple class for preloading images with support for progress reporting

 * Copyright 2007 Tomocchino.

 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */



var Preloader = new Class({

  

  Implements: [Events, Options],



  options: {

    root        : '',

    period      : 100

  },

  

  initialize: function(options){

    this.setOptions(options);

  },

  

  load: function(sources) {

    this.index = 0;

    this.images = [];

    this.sources = this.temps = sources;

    this.total = this. sources.length;

    

    this.fireEvent('onStart', [this.index, this.total]);

    this.timer = this.progress.periodical(this.options.period, this);

    

    this.sources.each(function(source, index){

      this.images[index] = new Asset.image(this.options.root + source, {

        'onload'  : function(){ this.index++; if(this.images[index]) this.fireEvent('onLoad', [this.images[index], index, source]); }.bind(this),

        'onerror' : function(){ this.index++; this.fireEvent('onError', [this.images.splice(index, 1), index, source]); }.bind(this),

        'onabort' : function(){ this.index++; this.fireEvent('onError', [this.images.splice(index, 1), index, source]); }.bind(this)

      });

    }, this);

  },

  

  progress: function() {

    this.fireEvent('onProgress', [Math.min(this.index, this.total), this.total]);

    if(this.index >= this.total) this.complete();

  },

  

  complete: function(){

    $clear(this.timer);

    this.fireEvent('onComplete', [this.images]);

  },

  

  cancel: function(){

    $clear(this.timer);

  }

  

});



/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

 * Follows: formatString (function)

 * Original name: Yahoo.Tools.printf

 * Copyright Yahoo.

 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */



function formatString() {

	var num = arguments.length;

	var oStr = arguments[0];

	for (var i = 1; i < num; i++) {

		var pattern = "\\{" + (i-1) + "\\}"; 

		var re = new RegExp(pattern, "g");

		oStr = oStr.replace(re, arguments[i]);

	}

	return oStr; 

}