var mooView=new Class({Implements:[Options,Events,Log],options:{'rel':'mooView','allowSingleImage':false,'minWidth':320,'minHeight':240,'useKeyboard':true,'useMousewheel':false,'loopImages':false},initialize:function(options){this.setOptions(options);this.images=new Hash;this.links=$$('a[rel^='+this.options.rel+']');this.links.each(function(link){link.removeEvents('click').addEvent('click',this.click.bindWithEvent(this,link));if(!this.images.has(link.rel)){this.images.set(link.rel,new Array());}
var dual=link.title.split('::');if(dual.length>1){this.images[link.rel].push(new Array(link,dual[0]));}
else{this.images[link.rel].push(new Array(link,link.title));}
link.title=link.title.stripTags();},this);},keyboardListener:function(event){switch(event.key){case'esc':this.close();break;case'left':this.prev();break;case'right':this.next();break;}},mouseListener:function(event){event=new Event(event);if(event.wheel>0){this.prev();}
else if(event.wheel<0){this.next();}},click:function(e,link){e.stop();if($defined($('mooViewOverlay'))){return false;}
if(Browser.Engine.trident4){$$('select').set('visibility','hidden');}
if(this.options.useKeyboard){document.addEvent('keydown',this.keyboardListener.bindWithEvent(this));}
if(this.options.useMousewheel){document.addEvent('mousewheel',this.mouseListener.bindWithEvent(this));}
this.overlay=new Element('div',{'id':'mooViewOverlay'}).inject(document.body,'top').setStyle('height',document.getScrollSize().y).set('opacity',0.5).addEvent('click',this.close.bind(this));this.center=new Element('div',{'id':'mooViewCenter','class':'mooViewLoading','styles':{'width':this.options.minWidth,'height':this.options.minHeight,'margin-left':-(this.options.minWidth*0.5)}}).inject(this.overlay,'after').setStyle('top',document.getScroll().y+20+'px').set('morph',{'duration':'short','onComplete':function(){this.open();}.bind(this)});if(!this.options.allowSingleImage||link.rel!=this.options.rel){this.prevLink=new Element('a',{'id':'mooViewPrevLink','href':'javascript:void(0)'}).inject(this.center);this.nextLink=new Element('a',{'id':'mooViewNextLink','href':'javascript:void(0)'}).inject(this.center);}
this.image=new Element('div',{'id':'mooViewImage'}).inject(this.center).set('morph',{'duration':'short'}).set('opacity',0);this.bottom=new Element('div',{'id':'mooViewBottom'}).inject(this.center,'after').set('morph',{'duration':'short'});new Element('a',{'id':'mooViewClose','href':'javascript:void(0)'}).inject(this.bottom).addEvent('click',this.close.bind(this));this.caption=new Element('div',{'id':'mooViewCaption'}).inject(this.bottom);this.number=new Element('div',{'id':'mooViewNumber'}).inject(this.bottom);new Element('div',{'styles':{'clear':'both','height':'1px','line-height':'0'}}).inject(this.bottom);for(var i=0;i<this.images[link.rel].length;i++){if(this.images[link.rel][i][0].href==link.href){this.activeImage=i;this.activeImageTitle=this.images[link.rel][i][1];this.activeImageRel=link.rel;this.preload=new Image();this.preload.onload=this.resize.bind(this);this.preload.onerror=this.close.bind(this);this.preload.src=this.images[link.rel][i][0].href;break;}}
return false;},resize:function(){this.center.morph({'margin-left':-(Math.max(this.options.minWidth,this.preload.width)*0.5),'width':Math.max(this.options.minWidth,this.preload.width),'height':Math.max(this.options.minHeight,this.preload.height),'top':document.getScroll().y+20+'px'});},open:function(){this.center.removeClass('mooViewLoading');this.image.setStyles({'background-image':'url('+this.preload.src+')','width':Math.max(this.options.minWidth,this.preload.width)+'px','height':Math.max(this.options.minHeight,this.preload.height)+'px'}).morph({'opacity':1});this.caption.set('html',this.activeImageTitle||'').setStyle('display',this.activeImageTitle?'block':'none');if((!this.options.allowSingleImage||this.activeImageRel!=this.options.rel)&&this.images[this.activeImageRel].length>1){this.number.set('html','Изображение <b>'+(this.activeImage+1)+'</b> из <b>'+this.images[this.activeImageRel].length+'</b>').setStyle('display','block');if(this.options.loopImages){this.prevLink.setStyles({'height':Math.max(this.options.minHeight,this.preload.height),'display':'block'}).addEvent('click',this.prev.bind(this));this.nextLink.setStyles({'height':Math.max(this.options.minHeight,this.preload.height),'display':'block'}).addEvent('click',this.next.bind(this));}
else{if(this.activeImage>0)this.prevLink.setStyles({'height':Math.max(this.options.minHeight,this.preload.height),'display':'block'}).addEvent('click',this.prev.bind(this));if(this.activeImage<this.images[this.activeImageRel].length-1)this.nextLink.setStyles({'height':Math.max(this.options.minHeight,this.preload.height),'display':'block'}).addEvent('click',this.next.bind(this));}}
else this.number.setStyle('display','none');this.bottom.setStyles({'display':'block','top':this.center.getStyle('top').toInt()+this.center.getSize().y.toInt()+'px','width':this.center.getSize().x.toInt()+'px','margin-left':this.center.getStyle('margin-left')}).setStyle('margin-top',-this.bottom.getSize().y).morph({'margin-top':0});this.preload=null;this.overlay.setStyle('height',document.getScrollSize().y);return false;},prev:function(){if(this.options.loopImages){return(this.activeImage-1<0)?this.change(this.images[this.activeImageRel].length-1):this.change(this.activeImage-1);}
else{return this.change(this.activeImage-1);}},next:function(){if(this.options.loopImages){return(this.activeImage>=this.images[this.activeImageRel].length-1)?this.change(0):this.change(this.activeImage+1);}
else{return this.change(this.activeImage+1);}},change:function(imageNum){if(imageNum<0||imageNum>=this.images[this.activeImageRel].length){return false;}
this.image.setStyle('background-image','').set('opacity',0);this.center.addClass('mooViewLoading');this.nextLink.removeEvents();this.prevLink.removeEvents();this.prevLink.style.display=this.nextLink.style.display=this.bottom.style.display='none';this.activeImage=imageNum;this.activeImageTitle=this.images[this.activeImageRel][imageNum][1];this.preload=new Image();this.preload.onload=this.resize.bind(this);this.preload.src=this.images[this.activeImageRel][imageNum][0].href;return false;},close:function(){this.overlay.destroy();document.removeEvents();if(Browser.Engine.trident4){$$('select').setStyle('visibility','visible');}
this.center.destroy();this.bottom.destroy();document.removeEvents('keydown');return false;}});window.addEvent('domready',function(){new mooView();});