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+/*
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+ Slimbox v1.3 - The ultimate lightweight Lightbox clone
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+ by Christophe Beyls (http://www.digitalia.be) - MIT-style license.
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+ Inspired by the original Lightbox v2 by Lokesh Dhakar.
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+*/
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+
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+var Lightbox = {
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+
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+ init: function(options){
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+ this.options = Object.extend({
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+ resizeDuration: 400,
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+ resizeTransition: Fx.Transitions.sineInOut,
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+ initialWidth: 250,
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+ initialHeight: 250,
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+ animateCaption: true
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+ }, options || {});
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+
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+ this.anchors = [];
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+ $each(document.links, function(el){
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+ if (el.rel && el.rel.test(/^lightbox/i)){
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+ el.onclick = this.click.pass(el, this);
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+ this.anchors.push(el);
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+ }
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+ }, this);
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+ this.eventKeyDown = this.keyboardListener.bindAsEventListener(this);
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+ this.eventPosition = this.position.bind(this);
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+
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+ this.overlay = new Element('div').setProperty('id', 'lbOverlay').injectInside(document.body);
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+
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+ this.center = new Element('div').setProperty('id', 'lbCenter').setStyles({width: this.options.initialWidth+'px', height: this.options.initialHeight+'px', marginLeft: '-'+(this.options.initialWidth/2)+'px', display: 'none'}).injectInside(document.body);
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+ this.image = new Element('div').setProperty('id', 'lbImage').injectInside(this.center);
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+ this.prevLink = new Element('a').setProperties({id: 'lbPrevLink', href: '#'}).setStyle('display', 'none').injectInside(this.image);
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+ this.nextLink = this.prevLink.clone().setProperty('id', 'lbNextLink').injectInside(this.image);
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+ this.prevLink.onclick = this.previous.bind(this);
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+ this.nextLink.onclick = this.next.bind(this);
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+
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+ this.bottomContainer = new Element('div').setProperty('id', 'lbBottomContainer').setStyle('display', 'none').injectInside(document.body);
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+ this.bottom = new Element('div').setProperty('id', 'lbBottom').injectInside(this.bottomContainer);
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+ new Element('a').setProperties({id: 'lbCloseLink', href: '#'}).injectInside(this.bottom).onclick = this.overlay.onclick = this.close.bind(this);
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+ this.caption = new Element('div').setProperty('id', 'lbCaption').injectInside(this.bottom);
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+ this.number = new Element('div').setProperty('id', 'lbNumber').injectInside(this.bottom);
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+ new Element('div').setStyle('clear', 'both').injectInside(this.bottom);
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+
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+ var nextEffect = this.nextEffect.bind(this);
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+ this.fx = {
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+ overlay: this.overlay.effect('opacity', {duration: 500}).hide(),
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+ resize: this.center.effects({duration: this.options.resizeDuration, transition: this.options.resizeTransition, onComplete: nextEffect}),
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+ image: this.image.effect('opacity', {duration: 500, onComplete: nextEffect}),
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+ bottom: this.bottom.effect('margin-top', {duration: 400, onComplete: nextEffect})
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+ };
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+
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+ this.preloadPrev = new Image();
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+ this.preloadNext = new Image();
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+ },
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+
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+ click: function(link){
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+ if (link.rel.length == 8) return this.show(link.href, link.title);
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+
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+ var j, imageNum, images = [];
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+ this.anchors.each(function(el){
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+ if (el.rel == link.rel){
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+ for (j = 0; j < images.length; j++) if(images[j][0] == el.href) break;
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+ if (j == images.length){
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+ images.push([el.href, el.title]);
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+ if (el.href == link.href) imageNum = j;
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+ }
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+ }
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+ }, this);
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+ return this.open(images, imageNum);
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+ },
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+
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+ show: function(url, title){
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+ return this.open([[url, title]], 0);
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+ },
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+
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+ open: function(images, imageNum){
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+ this.images = images;
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+ this.position();
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+ this.setup(true);
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+ this.top = window.getScrollTop() + (window.getHeight() / 15);
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+ this.center.setStyles({top: this.top+'px', display: ''});
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+ this.fx.overlay.start(0.8);
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+ return this.changeImage(imageNum);
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+ },
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+
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+ position: function(){
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+ this.overlay.setStyles({top: window.getScrollTop()+'px', height: window.getHeight()+'px'});
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+ },
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+
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+ setup: function(open){
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+ var elements = $A(document.getElementsByTagName('object'));
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+ if (window.ie) elements.extend(document.getElementsByTagName('select'));
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+ elements.each(function(el){ el.style.visibility = open ? 'hidden' : ''; });
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+ var fn = open ? 'addEvent' : 'removeEvent';
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+ window[fn]('scroll', this.eventPosition)[fn]('resize', this.eventPosition);
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+ document[fn]('keydown', this.eventKeyDown);
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+ this.step = 0;
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+ },
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+
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+ keyboardListener: function(event){
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+ switch (event.keyCode){
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+ case 27: case 88: case 67: this.close(); break;
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+ case 37: case 80: this.previous(); break;
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+ case 39: case 78: this.next();
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+ }
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+ },
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+
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+ previous: function(){
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+ return this.changeImage(this.activeImage-1);
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+ },
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+
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+ next: function(){
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+ return this.changeImage(this.activeImage+1);
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+ },
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+
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+ changeImage: function(imageNum){
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+ if (this.step || (imageNum < 0) || (imageNum >= this.images.length)) return false;
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+ this.step = 1;
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+ this.activeImage = imageNum;
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+
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+ this.bottomContainer.style.display = this.prevLink.style.display = this.nextLink.style.display = 'none';
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+ this.fx.image.hide();
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+ this.center.className = 'lbLoading';
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+
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+ this.preload = new Image();
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+ this.preload.onload = this.nextEffect.bind(this);
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+ this.preload.src = this.images[imageNum][0];
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+ return false;
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+ },
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+
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+ nextEffect: function(){
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+ switch (this.step++){
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+ case 1:
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+ this.center.className = '';
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+ this.image.style.backgroundImage = 'url('+this.images[this.activeImage][0]+')';
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+ this.image.style.width = this.bottom.style.width = this.preload.width+'px';
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+ this.image.style.height = this.prevLink.style.height = this.nextLink.style.height = this.preload.height+'px';
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+
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+ this.caption.setHTML(this.images[this.activeImage][1] || '');
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+ this.number.setHTML((this.images.length == 1) ? '' : 'Image '+(this.activeImage+1)+' of '+this.images.length);
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+
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+ if (this.activeImage) this.preloadPrev.src = this.images[this.activeImage-1][0];
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+ if (this.activeImage != (this.images.length - 1)) this.preloadNext.src = this.images[this.activeImage+1][0];
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+ if (this.center.clientHeight != this.image.offsetHeight){
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+ this.fx.resize.start({height: this.image.offsetHeight});
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+ break;
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+ }
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+ this.step++;
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+ case 2:
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+ if (this.center.clientWidth != this.image.offsetWidth){
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+ this.fx.resize.start({width: this.image.offsetWidth, marginLeft: -this.image.offsetWidth/2});
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+ break;
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+ }
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+ this.step++;
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+ case 3:
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+ this.bottomContainer.setStyles({top: (this.top + this.center.clientHeight)+'px', height: '0px', marginLeft: this.center.style.marginLeft, display: ''});
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+ this.fx.image.start(1);
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+ break;
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+ case 4:
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+ if (this.options.animateCaption){
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+ this.fx.bottom.set(-this.bottom.offsetHeight);
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+ this.bottomContainer.style.height = '';
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+ this.fx.bottom.start(0);
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+ break;
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+ }
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+ this.bottomContainer.style.height = '';
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+ case 5:
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+ if (this.activeImage) this.prevLink.style.display = '';
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+ if (this.activeImage != (this.images.length - 1)) this.nextLink.style.display = '';
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+ this.step = 0;
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+ }
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+ },
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+
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+ close: function(){
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+ if (this.step < 0) return;
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+ this.step = -1;
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+ if (this.preload){
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+ this.preload.onload = Class.empty;
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+ this.preload = null;
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+ }
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+ for (var f in this.fx) this.fx[f].stop();
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+ this.center.style.display = this.bottomContainer.style.display = 'none';
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+ this.fx.overlay.chain(this.setup.pass(false, this)).start(0);
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+ return false;
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+ }
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+};
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+
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+window.addEvent('domready', Lightbox.init.bind(Lightbox));
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pecesama
