LightboxOptions=Object.extend({fileLoadingImage:'../gfx/lightbox/loading.gif',fileBottomNavCloseImage:'../gfx/lightbox/closelabel.gif',overlayOpacity:0.8,animate:true,resizeSpeed:7,borderSize:10,labelImage:"Zdjęcie",labelOf:"z"},window.LightboxOptions||{});var Lightbox=Class.create();Lightbox.prototype={imageArray:[],activeImage:undefined,initialize:function(){this.updateImageList();this.keyboardAction=this.keyboardAction.bindAsEventListener(this);if(LightboxOptions.resizeSpeed>10)LightboxOptions.resizeSpeed=10;if(LightboxOptions.resizeSpeed<1)LightboxOptions.resizeSpeed=1;this.resizeDuration=LightboxOptions.animate?((11-LightboxOptions.resizeSpeed)*0.15):0;this.overlayDuration=LightboxOptions.animate?0.2:0;var c=(LightboxOptions.animate?250:1)+'px';var d=$$('body')[0];d.appendChild(Builder.node('div',{id:'overlay'}));d.appendChild(Builder.node('div',{id:'lightbox'},[Builder.node('div',{id:'outerImageContainer'},Builder.node('div',{id:'imageContainer'},[Builder.node('img',{id:'lightboxImage'}),Builder.node('div',{id:'hoverNav'},[Builder.node('a',{id:'prevLink',href:'#'}),Builder.node('a',{id:'nextLink',href:'#'})]),Builder.node('div',{id:'loading'},Builder.node('a',{id:'loadingLink',href:'#'},Builder.node('img',{src:LightboxOptions.fileLoadingImage})))])),Builder.node('div',{id:'imageDataContainer'},Builder.node('div',{id:'imageData'},[Builder.node('div',{id:'imageDetails'},[Builder.node('span',{id:'caption'}),Builder.node('span',{id:'numberDisplay'})]),Builder.node('div',{id:'bottomNav'},Builder.node('a',{id:'bottomNavClose',href:'#'},Builder.node('img',{src:LightboxOptions.fileBottomNavCloseImage})))]))]));$('overlay').hide().observe('click',(function(){this.end()}).bind(this));$('lightbox').hide().observe('click',(function(a){if(a.element().id=='lightbox')this.end()}).bind(this));$('outerImageContainer').setStyle({width:c,height:c});$('prevLink').observe('click',(function(a){a.stop();this.changeImage(this.activeImage-1)}).bindAsEventListener(this));$('nextLink').observe('click',(function(a){a.stop();this.changeImage(this.activeImage+1)}).bindAsEventListener(this));$('loadingLink').observe('click',(function(a){a.stop();this.end()}).bind(this));$('bottomNavClose').observe('click',(function(a){a.stop();this.end()}).bind(this));var e=this;(function(){var b='overlay lightbox outerImageContainer imageContainer lightboxImage hoverNav prevLink nextLink loading loadingLink '+'imageDataContainer imageData imageDetails caption numberDisplay bottomNav bottomNavClose';$w(b).each(function(a){e[a]=$(a)})}).defer()},updateImageList:function(){this.updateImageList=Prototype.emptyFunction;document.observe('click',(function(a){var b=a.findElement('a[rel^=lightbox]')||a.findElement('area[rel^=lightbox]');if(b){if(!$(b).hasClassName('nolightbox')){a.stop();this.start(b)}}}).bind(this))},start:function(b){$$('select','object','embed').each(function(a){a.style.visibility='hidden'});var c=this.getPageSize();$('overlay').setStyle({width:c[0]+'px',height:c[1]+'px'});new Effect.Appear(this.overlay,{duration:this.overlayDuration,from:0.0,to:LightboxOptions.overlayOpacity});this.imageArray=[];var d=0;if((b.rel=='lightbox')){this.imageArray.push([b.href,b.title])}else{this.imageArray=$$(b.tagName+'[href][rel="'+b.rel+'"]').collect(function(a){return[a.href,a.title]}).uniq();while(this.imageArray[d][0]!=b.href){d++}}var e=document.viewport.getScrollOffsets();var f=e[1]+(document.viewport.getHeight()/10);var g=e[0];this.lightbox.setStyle({top:f+'px',left:g+'px'}).show();this.changeImage(d)},changeImage:function(a){this.activeImage=a;if(LightboxOptions.animate)this.loading.show();this.lightboxImage.hide();this.hoverNav.hide();this.prevLink.hide();this.nextLink.hide();this.imageDataContainer.setStyle({opacity:.0001});this.numberDisplay.hide();var b=new Image();b.onload=(function(){this.lightboxImage.src=this.imageArray[this.activeImage][0];this.resizeImageContainer(b.width,b.height)}).bind(this);b.src=this.imageArray[this.activeImage][0]},resizeImageContainer:function(a,b){var c=this.outerImageContainer.getWidth();var d=this.outerImageContainer.getHeight();var e=(a+LightboxOptions.borderSize*2);var f=(b+LightboxOptions.borderSize*2);var g=(e/c)*100;var h=(f/d)*100;var i=c-e;var j=d-f;if(j!=0)new Effect.Scale(this.outerImageContainer,h,{scaleX:false,duration:this.resizeDuration,queue:'front'});if(i!=0)new Effect.Scale(this.outerImageContainer,g,{scaleY:false,duration:this.resizeDuration,delay:this.resizeDuration});var k=0;if((j==0)&&(i==0)){k=100;if(Prototype.Browser.IE)k=250}(function(){this.prevLink.setStyle({height:b+'px'});this.nextLink.setStyle({height:b+'px'});this.imageDataContainer.setStyle({width:e+'px'});this.showImage()}).bind(this).delay(k/1000)},showImage:function(){this.loading.hide();new Effect.Appear(this.lightboxImage,{duration:this.resizeDuration,queue:'end',afterFinish:(function(){this.updateDetails()}).bind(this)});this.preloadNeighborImages()},updateDetails:function(){if(this.imageArray[this.activeImage][1]!=""){this.caption.update(this.imageArray[this.activeImage][1]).show()}if(this.imageArray.length>1){this.numberDisplay.update(LightboxOptions.labelImage+' '+(this.activeImage+1)+' '+LightboxOptions.labelOf+'  '+this.imageArray.length).show()}new Effect.Parallel([new Effect.SlideDown(this.imageDataContainer,{sync:true,duration:this.resizeDuration,from:0.0,to:1.0}),new Effect.Appear(this.imageDataContainer,{sync:true,duration:this.resizeDuration})],{duration:this.resizeDuration,afterFinish:(function(){var a=this.getPageSize();this.overlay.setStyle({height:a[1]+'px'});this.updateNav()}).bind(this)})},updateNav:function(){this.hoverNav.show();if(this.activeImage>0)this.prevLink.show();if(this.activeImage<(this.imageArray.length-1))this.nextLink.show();this.enableKeyboardNav()},enableKeyboardNav:function(){document.observe('keydown',this.keyboardAction)},disableKeyboardNav:function(){document.stopObserving('keydown',this.keyboardAction)},keyboardAction:function(a){var b=a.keyCode;var c;if(a.DOM_VK_ESCAPE){c=a.DOM_VK_ESCAPE}else{c=27}var d=String.fromCharCode(b).toLowerCase();if(d.match(/x|o|c/)||(b==c)){this.end()}else if((d=='p')||(b==37)){if(this.activeImage!=0){this.disableKeyboardNav();this.changeImage(this.activeImage-1)}}else if((d=='n')||(b==39)){if(this.activeImage!=(this.imageArray.length-1)){this.disableKeyboardNav();this.changeImage(this.activeImage+1)}}},preloadNeighborImages:function(){var a,preloadPrevImage;if(this.imageArray.length>this.activeImage+1){a=new Image();a.src=this.imageArray[this.activeImage+1][0]}if(this.activeImage>0){preloadPrevImage=new Image();preloadPrevImage.src=this.imageArray[this.activeImage-1][0]}},end:function(){this.disableKeyboardNav();this.lightbox.hide();new Effect.Fade(this.overlay,{duration:this.overlayDuration});$$('select','object','embed').each(function(a){a.style.visibility='visible'})},getPageSize:function(){var a,yScroll;if(window.innerHeight&&window.scrollMaxY){a=window.innerWidth+window.scrollMaxX;yScroll=window.innerHeight+window.scrollMaxY}else if(document.body.scrollHeight>document.body.offsetHeight){a=document.body.scrollWidth;yScroll=document.body.scrollHeight}else{a=document.body.offsetWidth;yScroll=document.body.offsetHeight}var b,windowHeight;if(self.innerHeight){if(document.documentElement.clientWidth){b=document.documentElement.clientWidth}else{b=self.innerWidth}windowHeight=self.innerHeight}else if(document.documentElement&&document.documentElement.clientHeight){b=document.documentElement.clientWidth;windowHeight=document.documentElement.clientHeight}else if(document.body){b=document.body.clientWidth;windowHeight=document.body.clientHeight}if(yScroll<windowHeight){pageHeight=windowHeight}else{pageHeight=yScroll}if(a<b){pageWidth=a}else{pageWidth=b}return[pageWidth,pageHeight]}}
var lightbox; 
document.observe('dom:loaded', function () { lightbox = new Lightbox(); });