var Milkbox=new Class({Implements:Options,options:{overlayOpacity:0.7,topPosition:40,initialWidth:250,initialHeight:250,resizeDuration:500,resizeTransition:'sine:in:out',hoverBackgroundPosition:'0 -23px',autoPlay:false,autoPlayDelay:7,removeTitle:false},initialize:function(options){this.setOptions(options);this.galleries=[];this.currentImage=null;this.currentIndex=null;this.currentGallery=null;this.specialDescription=null;this.activated=false;this.mode=null;this.closed=true;this.busy=true;this.intObj=null;this.formtags=null;this.loadedImages=[];this.prepareGalleries();if(this.galleries.length==0){return;};this.initMilkbox();},initMilkbox:function(){this.prepareHTML();this.prepareEffects();this.prepareEvents();this.activated=true;this.formtags=$$('select','textarea');},openMilkbox:function(gallery,index){if(this.formtags.length!=0){this.formtags.setStyle('display','none')};this.overlay.setStyles({'top':-$(window).getScroll().y,'height':$(window).getScrollSize().y+$(window).getScroll().y});this.center.addClass('mbLoading');this.center.setStyle('top',$(window).getScroll().y+this.options.topPosition);this.currentGallery=gallery;this.currentIndex=index;this.overlay.tween('opacity',this.options.overlayOpacity);if(gallery.length==1){this.mode='singleImage';this.loadImages(gallery[index].href);}else{this.mode='imageGallery';var images=gallery.map(function(item){return item.href;});$$(this.prev,this.next,this.count).setStyles({'display':'block'});var border=this.center.getStyle('border-right-width').toInt();var navWidth=this.prev.getSize().x+this.next.getSize().x+this.close.getSize().x+border;this.navigation.setStyle('width',navWidth);this.description.setStyle('margin-right',navWidth);var next=(index!=images.length-1)?images[index+1]:images[0];var prev=(index!=0)?images[index-1]:images[images.length-1];var preloads=(prev==next)?[prev]:[prev,next];this.loadImages(images[index],preloads);}
this.closed=false;},showThisImage:function(image,description){if(!this.activated){this.initMilkbox();}
this.mode='showThisImage';this.specialDescription=description;this.overlay.setStyles({'top':-$(window).getScroll().y,'height':$(window).getScrollSize().y+$(window).getScroll().y});this.center.addClass('mbLoading');this.center.setStyle('top',$(window).getScroll().y+this.options.topPosition);this.overlay.tween('opacity',this.options.overlayOpacity);this.loadImages(image);this.closed=false;},showImage:function(image){if(this.closed){return;};var imageBoxSize=this.image.getSize();this.image.setStyles({'opacity':0,'width':'','height':''});var imageSize=new Hash(image.getProperties('width','height')).map(function(item,index){return item.toInt();});var centerSize=new Hash(this.center.getStyles('width','height')).map(function(item,index){return item.toInt();});var targetSize={};if(imageSize.width!=centerSize.width){targetSize.width=imageSize.width;targetSize.marginLeft=-(imageSize.width/2).round();};var gap=(imageBoxSize.y>0)?centerSize.height-imageBoxSize.y:0;var targetHeight=imageSize.height+gap;targetSize.height=targetHeight;this.image.setStyles({'width':imageSize.width,'height':imageSize.height})
this.center.removeClass('mbLoading');this.center.morph(targetSize);},loadImages:function(currentImage,preloads){var loadImage=new Asset.image(currentImage,{onload:function(img){this.currentImage=img;if(!this.loadedImages.contains(currentImage)){this.loadedImages.push(currentImage);};$$(this.description,this.navigation).setStyle('visibility','hidden');this.navigation.setStyle('height','');$$(this.next,this.prev,this.close).setStyle('backgroundPosition','0 0');this.showImage(this.currentImage);}.bindWithEvent(this)});if(preloads&&!this.loadedImages.contains(preloads)){var preloadImages=new Asset.images(preloads,{onComplete:function(img){preloads.each(function(item){if(!(this.loadedImages.contains(item))){this.loadedImages.push(item);}}.bind(this));}.bindWithEvent(this)});};},prepareEvents:function(){this.galleries.each(function(gallery){$$(gallery).addEvent('click',function(e){var button=($(e.target).match('a'))?$(e.target):$(e.target).getParent('a');e.preventDefault();if(this.options.autoPlay){this.autoPlay({gallery:gallery,index:gallery.indexOf(button)});}
else{this.openMilkbox(gallery,gallery.indexOf(button));}}.bindWithEvent(this));},this);this.next.addEvent('click',this.next_prev_aux.bindWithEvent(this,'next'));this.prev.addEvent('click',this.next_prev_aux.bindWithEvent(this,'prev'));$(window.document).addEvent('keydown',function(e){if(this.mode!='imageGallery'||this.busy==true){return;};if(e.key=='right'||e.key=='space'){this.next_prev_aux(e,'next');}
else if(e.key=='left'){this.next_prev_aux(e,'prev');}
else if(e.key=='esc'){this.closeMilkbox();};}.bindWithEvent(this));$$(this.next,this.prev,this.close).addEvents({'mouseover':function(e){var button=($(e.target).match('a'))?$(e.target):$(e.target).getParent('a');button.setStyle('backgroundPosition',this.options.hoverBackgroundPosition);}.bindWithEvent(this),'mouseout':function(){this.setStyle('backgroundPosition','0 0');}});this.overlay.get('tween').addEvent('onComplete',function(){if(this.overlay.getStyle('opacity')==this.options.overlayOpacity){this.center.tween('opacity',1);}else if(this.overlay.getStyle('opacity')==0){this.overlay.setStyles({'height':0,'top':''});};}.bindWithEvent(this));this.center.get('morph').addEvent('onComplete',function(){this.image.grab(this.currentImage);this.image.tween('opacity',1);var d=(!(this.mode=='showThisImage'))?this.currentGallery[this.currentIndex].retrieve('title'):this.specialDescription;if($chk(d)){this.description.innerHTML=d;};if(this.mode=='imageGallery'){this.count.appendText((this.currentIndex+1)+' de '+this.currentGallery.length);}
var currentCenterHeight=this.center.getStyle('height').toInt();this.navigation.setStyle('height',this.bottom.getStyle('height').toInt());var bottomSize=this.bottom.getSize().y;var targetOffset=(currentCenterHeight>this.image.getSize().y)?(this.bottom.getSize().y+this.image.getSize().y)-currentCenterHeight:bottomSize;this.bottom.setStyle('display','none');this.center.retrieve('setFinalHeight').start(currentCenterHeight,currentCenterHeight+targetOffset);}.bindWithEvent(this));this.center.retrieve('setFinalHeight').addEvent('onComplete',function(){this.bottom.setStyles({'visibility':'visible','display':'block'});$$(this.description,this.navigation).setStyle('visibility','visible');var scrollSize=$(window).getScrollSize().y;var scrollTop=$(window).getScroll().y;this.overlay.setStyle('height',scrollSize+scrollTop);this.busy=false;}.bindWithEvent(this));window.addEvent('resize',function(){if(this.overlay.getStyle('opacity')==0){return;};var scrollSize=$(window).getScrollSize().y;var scrollTop=$(window).getScroll().y;this.overlay.setStyles({'height':scrollSize+scrollTop,'top':-scrollTop});}.bindWithEvent(this))
$$(this.overlay,this.image,this.close).addEvent('click',function(){this.closeMilkbox();}.bindWithEvent(this));},next_prev_aux:function(e,direction){if(e){e.preventDefault();if(this.intObj){$clear(this.intObj);this.intObj=null;};}
else{if(this.busy){return;}}
this.busy=true;var backupIndex=this.currentIndex;if(direction=="next"){var i=(this.currentIndex!=this.currentGallery.length-1)?this.currentIndex+=1:this.currentIndex=0;var _i=(this.currentIndex!=this.currentGallery.length-1)?this.currentIndex+1:0;}else{var i=(this.currentIndex!=0)?this.currentIndex-=1:this.currentIndex=this.currentGallery.length-1;var _i=(this.currentIndex!=0)?this.currentIndex-1:this.currentGallery.length-1;};this.image.empty();this.description.empty();this.count.empty();if(!this.loadedImages.contains(this.currentGallery[i].href)){this.center.addClass('mbLoading');};this.loadImages(this.currentGallery[i].href,[this.currentGallery[_i].href]);},autoPlay:function(obj){var g=(obj&&obj.gallery&&($type(obj.gallery)=='array'))?obj.gallery:Milkbox.galleries[0];var i=(obj&&obj.index&&($type(obj.index)=='number'))?obj.index:0;var d=(obj&&obj.delay&&($type(obj.delay)=='number'))?obj.delay*1000:this.options.autoPlayDelay*1000;if(d<this.options.resizeDuration*2){d=this.options.resizeDuration*2};Milkbox.openMilkbox(g,i);if(this.mode!='imageGallery'){return;};this.intObj=this.next_prev_aux.periodical(d,this,[null,'next']);},closeMilkbox:function(){this.cancelAllEffects();if(this.intObj){$clear(this.intObj);};this.currentImage=null;this.currentIndex=null;this.currentGallery=null;$$(this.prev,this.next,this.count).setStyle('display','none');var border=this.center.getStyle('border-right-width').toInt();var navWidth=this.close.getSize().x+border;this.navigation.setStyles({'width':navWidth,'height':'','visibility':'hidden'});this.description.setStyle('margin-right',navWidth);this.description.empty();this.bottom.setStyles({'visibility':'hidden','display':''});this.image.setStyles({'opacity':0,'width':'','height':''});this.image.empty();this.count.empty();this.center.setStyles({'opacity':0,'width':this.options.initialWidth,'height':this.options.initialHeight,'marginLeft':-(this.options.initialWidth/2)});this.overlay.tween('opacity',0);if(this.formtags.length!=0){this.formtags.setStyle('display','')};this.mode=null;this.closed=true;},cancelAllEffects:function(){this.overlay.get('tween').cancel();this.center.get('morph').cancel();this.center.get('tween').cancel();this.center.retrieve('setFinalHeight').cancel();this.image.get('tween').cancel();},prepareEffects:function(){this.overlay.set('tween',{duration:'short',link:'cancel'});this.center.set('tween',{duration:'short',link:'chain'});this.center.set('morph',{duration:this.options.resizeDuration,link:'chain',transition:this.options.resizeTransition});this.center.store('setFinalHeight',new Fx.Tween(this.center,{property:'height',duration:'short'}));this.image.set('tween',{link:'chain'});},prepareGalleries:function(){var families=[];var milkbox_a=[];$$('a').each(function(a){if(a.rel&&a.rel.test(/^milkbox/i)&&a.href.split('?')[0].test(/\.(gif|jpg|png)$/i)){if(a.rel.length>7&&!families.contains(a.rel)){families.push(a.rel);};milkbox_a.push(a);}},this);milkbox_a.each(function(a){$(a).store('href',a.href);$(a).store('rel',a.rel);$(a).store('title',a.title);if(this.options.removeTitle){$(a).removeProperty('title');}
if(a.rel.length>7){families.each(function(f,i){if(a.rel==f){if(!this.galleries[i]){this.galleries[i]=[]};this.galleries[i].push($(a));};},this);}else{this.galleries.push([$(a)]);};},this);},prepareHTML:function(){this.overlay=new Element('div',{'id':'mbOverlay','styles':{'opacity':0,'visibility':'visible','height':0,'overflow':'hidden'}}).inject($(document.body));this.center=new Element('div',{'id':'mbCenter','styles':{'width':this.options.initialWidth,'height':this.options.initialHeight,'marginLeft':-(this.options.initialWidth/2),'opacity':0}}).inject($(document.body));this.image=new Element('div',{'id':'mbImage'}).inject(this.center);this.bottom=new Element('div',{'id':'mbBottom'}).inject(this.center).setStyle('visibility','hidden');this.navigation=new Element('div',{'id':'mbNavigation'}).setStyle('visibility','hidden');this.description=new Element('div',{'id':'mbDescription'}).setStyle('visibility','hidden');this.bottom.adopt(this.navigation,this.description,new Element('div',{'class':'clear'}));this.close=new Element('a',{'id':'mbCloseLink'});this.next=new Element('a',{'id':'mbNextLink'});this.prev=new Element('a',{'id':'mbPrevLink'});this.count=new Element('span',{'id':'mbCount'});$$(this.next,this.prev,this.count).setStyle('display','none');this.navigation.adopt(this.close,this.next,this.prev,new Element('div',{'class':'clear'}),this.count);}});window.addEvent('domready',function(){Milkbox=new Milkbox();});