var SqueezeBox={presets:{size:{x:600,y:450},sizeLoading:{x:200,y:150},marginInner:{x:20,y:20},marginImage:{x:150,y:200},handler:false,adopt:null,closeWithOverlay:true,zIndex:65555,overlayOpacity:0.7,classWindow:'',classOverlay:'',onOpen:Class.empty,onClose:Class.empty,onUpdate:Class.empty,onResize:Class.empty,onMove:Class.empty,onShow:Class.empty,onHide:Class.empty,ajaxOptions:{}},initialize:function(options){if(this.options)return this;this.setOptions(this.presets=$merge(this.presets,options));this.build();this.listeners={'window':this.reposition.bind(this,[null]),'close':this.close.bindWithEvent(this),'key':this.onKey.bindWithEvent(this)};this.isOpen=this.isLoading=false;return this;},build:function(){this.overlay=new Element('div',{'id':'sbox-overlay','styles':{'display':'none','z-index':this.options.zIndex}});this.content=new Element('div',{'id':'sbox-content'});this.btnClose=new Element('a',{'id':'sbox-btn-close','href':'javascript:void(null);'});this.window=new Element('div',{'id':'sbox-window','styles':{'display':'none','z-index':this.options.zIndex+2}}).adopt(this.btnClose).adopt(this.content)
$(document.body).adopt(this.overlay).adopt(this.window);this.fx={'overlay':new Fx.Style(this.overlay,'opacity',{duration:250,wait:false}).set(0),'window':new Fx.Styles(this.window,{duration:750,wait:false}),'content':new Fx.Style(this.content,'opacity',{duration:250,wait:false,onComplete:window.ie?this.content.setStyle.bind(this.content,['filter','']):Class.empty}).set(0)};},fromElement:function(el,options){this.initialize();this.element=$(el);if(this.element&&this.element.rel)options=$merge(options||{},Json.evaluate(this.element.rel));this.setOptions(this.presets,options);this.assignOptions();this.url=(this.element?(this.options.url||this.element.href):el)||'';if(this.options.handler){var handler=this.options.handler;return this.setContent(handler,this.parsers[handler].call(this,true));}
var res=false;for(var handler in this.parsers){if((res=this.parsers[handler].call(this)))return this.setContent(handler,res);}
return this;},assignOptions:function(){this.overlay.setProperty('class',this.options.classOverlay);this.window.setProperty('class',this.options.classWindow);},close:function(){if(!this.isOpen)return this;this.fx.overlay.start(0).chain(this.toggleOverlay.bind(this));this.window.setStyle('display','none');this.destroyImage();this.toggleListeners();this.isOpen=null;this.fireEvent('onClose',[this.content]);this.callChain();return this;},onError:function(){this.setContent('Error during loading');},destroyImage:function(){if(this.image){Element.prototype.removeEvents.call(this.image);this.image=null;};},setContent:function(handler,content){this.content.setProperty('class','sbox-content-'+handler);this.applyTimer=this.applyContent.delay(this.fx.overlay.options.duration,this,[this.handlers[handler].call(this,content)]);if(this.overlay.opacity)return this;this.toggleOverlay(true);this.fx.overlay.start(this.options.overlayOpacity);this.reposition();return this;},applyContent:function(content,size){this.applyTimer=$clear(this.applyTimer);this.hideContent();if(!content)this.toggleLoading(true)
else{if(this.isLoading)this.toggleLoading(false);this.fireEvent('onUpdate',[this.content],20);}
this.content.setHTML('')[['string','array',false].test($type(content))?'setHTML':'adopt'](content||'');this.callChain();if(!this.isOpen){this.toggleListeners(true);this.resize(size,true);this.isOpen=true;this.fireEvent('onOpen',[this.content]);}else this.resize(size);},resize:function(size,instantly){var sizes=window.getSize();this.size=$merge(this.isLoading?this.options.sizeLoading:this.options.size,size);var to={'width':this.size.x,'height':this.size.y,'left':(sizes.scroll.x+(sizes.size.x-this.size.x-this.options.marginInner.x)/2).toInt(),'top':(sizes.scroll.y+(sizes.size.y-this.size.y-this.options.marginInner.y)/2).toInt()};$clear(this.showTimer);this.hideContent();if(!instantly)this.fx.window.start(to).chain(this.showContent.bind(this))
else{this.window.setStyles(to).setStyle('display','');this.showTimer=this.showContent.delay(50,this);}
this.reposition(sizes);},toggleListeners:function(state){var task=state?'addEvent':'removeEvent';this.btnClose[task]('click',this.listeners.close);if(this.options.closeWithOverlay)this.overlay[task]('click',this.listeners.close);document[task]('keydown',this.listeners.key);window[task]('resize',this.listeners.window);window[task]('scroll',this.listeners.window);},toggleLoading:function(state){this.isLoading=state;this.window[state?'addClass':'removeClass']('sbox-loading');if(state)this.fireEvent('onLoading',[this.window]);},toggleOverlay:function(state){this.overlay.setStyle('display',state?'':'none');$(document.body)[state?'addClass':'removeClass']('body-overlayed');},showContent:function(){if(this.content.opacity)this.fireEvent('onShow',[this.window]);this.fx.content.start(1);},hideContent:function(){if(!this.content.opacity)this.fireEvent('onHide',[this.window]);this.fx.content.stop().set(0);},onKey:function(e){switch(e.key){case'esc':this.close();break;}},reposition:function(sizes){sizes=sizes||window.getSize();this.overlay.setStyles({'left':sizes.scroll.x,'top':sizes.scroll.y,'width':sizes.size.x,'height':sizes.size.y});this.window.setStyles({'left':(sizes.scroll.x+(sizes.size.x-this.window.offsetWidth)/2).toInt(),'top':(sizes.scroll.y+(sizes.size.y-this.window.offsetHeight)/2).toInt()});this.fireEvent('onMove',[this.overlay,this.window,sizes]);},parsers:{'image':function(preset){return(preset||this.url.test(/\.(jpg|jpeg|png|gif|bmp)$/i))?this.url:false;},'adopt':function(preset){if($(this.options.adopt))return $(this.options.adopt);if(preset||($(this.element)&&!this.element.parentNode))return $(this.element);var bits=this.url.match(/#([\w-]+)$/);return bits?$(bits[1]):false;},'url':function(preset){return(preset||(this.url&&!this.url.test(/^javascript:/i)))?this.url:false;},'string':function(preset){return true;}},handlers:{'image':function(url){this.image=new Element('img');Element.prototype.addEvents.call(this.image,{'load':function(){var win={x:window.getWidth()-this.options.marginImage.x,y:window.getHeight()-this.options.marginImage.y};var size={x:this.image.width,y:this.image.height};for(var i=0;i<2;i++)
if(size.x>win.x){size.y*=win.x/size.x;size.x=win.x;}else if(size.y>win.y){size.x*=win.y/size.y;size.y=win.y;}
size={x:parseInt(size.x),y:parseInt(size.y)};this.image=window.khtml?new Element('img',{'src':this.image.src}):$(this.image);this.image.setProperties({'id':'sbox-image','width':size.x,'height':size.y});this.applyContent(this.image,size);this.destroyImage();}.bind(this),'error':this.onError.bind(this),'abort':this.onError.bind(this)});(function(){this.src=url;}).delay(10,this.image);},'adopt':function(el){return el.clone();},'url':function(url){this.ajax=new Ajax(url,this.options.ajaxOptions);this.ajax.addEvent('onSuccess',function(resp){this.applyContent(resp);this.ajax=null;}.bind(this));this.ajax.addEvent('onFailure',this.onError.bind(this));this.ajax.request.delay(10,this.ajax);},'string':function(str){return str;}},extend:$extend};SqueezeBox.extend(Events.prototype);SqueezeBox.extend(Options.prototype);SqueezeBox.extend(Chain.prototype);