var SqueezeBox={presets:{size:{x:600,y:450},sizeLoading:{x:200,y:150},marginInner:{x:20,y:20},marginImage:{x:50,y:75},handler:false,target:null,closable:true,closeBtn:true,zIndex:65555,overlayOpacity:0.7,classWindow:'',classOverlay:'',overlayFx:{},resizeFx:{},contentFx:{},parse:false,parseSecure:false,ajaxOptions:{},onOpen:$empty,onClose:$empty,onUpdate:$empty,onResize:$empty,onMove:$empty,onShow:$empty,onHide:$empty},initialize:function(presets){if(this.options)return this;this.presets=$merge(this.presets,presets);this.options={};this.setOptions(this.presets).build();this.bound={window:this.reposition.bind(this,[null]),scroll:this.checkTarget.bind(this),close:this.close.bind(this),key:this.onKey.bind(this)};this.isOpen=this.isLoading=false;return this;},build:function(){this.overlay=new Element('div',{id:'sbox-overlay',styles:{display:'none',zIndex:this.options.zIndex}});this.content=new Element('div',{id:'sbox-content'});this.closeBtn=new Element('a',{id:'sbox-btn-close',href:'#'});this.win=new Element('div',{id:'sbox-window',styles:{display:'none',zIndex:this.options.zIndex+2}}).adopt(this.closeBtn,this.content);this.fx={overlay:new Fx.Tween(this.overlay,$merge({property:'opacity',onStart:Events.prototype.clearChain,duration:250,link:'cancel'},this.options.overlayFx)).set(0),win:new Fx.Morph(this.win,$merge({onStart:Events.prototype.clearChain,unit:'px',duration:750,transition:Fx.Transitions.Quint.easeOut,link:'cancel',unit:'px'},this.options.resizeFx)),content:new Fx.Tween(this.content,$merge({property:'opacity',duration:250,link:'cancel'},this.options.contentFx)).set(0)};$(document.body).adopt(this.overlay,this.win);},assign:function(to,options){return to.addEvent('click',function(){return!SqueezeBox.fromElement(this,options);});},fromElement:function(from,options){this.initialize();if(this.element)this.trash();this.element=$(from);this.setOptions($merge(this.presets,options||{}));if(this.element&&this.options.parse){var obj=this.element.getProperty(this.options.parse);if(obj&&(obj=JSON.decode(obj,this.options.parseSecure)))this.setOptions(obj);}
this.assignOptions();this.url=((this.element)?(this.options.url||this.element.get('href')):from)||'';var handler=this.options.handler;if(handler)return this.setContent(handler,this.parsers[handler].call(this,true));var ret=false;this.parsers.some(function(parser,key){var content=parser.call(this);if(content){ret=this.setContent(key,content);return true;}
return false;},this);return ret;},assignOptions:function(){this.overlay.set('class',this.options.classOverlay);this.win.set('class',this.options.classWindow);if(Browser.Engine.trident4)this.win.addClass('sbox-window-ie6');},close:function(e){var stoppable=($type(e)=='event');if(stoppable)e.stop();if(!this.isOpen||(stoppable&&!$lambda(this.options.closable).call(this,e)))return this;this.fx.overlay.start(0).chain(this.toggleOverlay.bind(this));this.win.setStyle('display','none');this.trash();this.toggleListeners();this.isOpen=false;this.fireEvent('onClose',[this.content]);return this;},trash:function(){this.element=this.asset=null;this.options={};this.removeEvents().setOptions(this.presets).callChain();},onError:function(){this.asset=null;this.setContent('string','Error during loading');},setContent:function(handler,content){if(!this.handlers[handler])return false;this.content.className='sbox-content-'+handler;this.applyTimer=this.applyContent.delay(this.fx.overlay.options.duration,this,this.handlers[handler].call(this,content));if(this.overlay.retrieve('opacity'))return this;this.toggleOverlay(true);this.fx.overlay.start(this.options.overlayOpacity);return this.reposition();},applyContent:function(content,size){this.applyTimer=$clear(this.applyTimer);this.hideContent();if(!content){this.toggleLoading(true);}else{if(this.isLoading)this.toggleLoading(false);this.fireEvent('onUpdate',[this.content],20);}
this.content.empty();if(['string','array',false].contains($type(content)))this.content.set('html',content||'');else this.content.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 box=document.getSize(),scroll=document.getScroll();this.size=$merge((this.isLoading)?this.options.sizeLoading:this.options.size,size);var to={width:this.size.x,height:this.size.y,left:(scroll.x+(box.x-this.size.x-this.options.marginInner.x)/2).toInt(),top:(scroll.y+(box.y-this.size.y-this.options.marginInner.y)/2).toInt()};$clear(this.showTimer||null);this.hideContent();if(!instantly){this.fx.win.start(to).chain(this.showContent.bind(this));}else{this.win.setStyles(to).setStyle('display','');this.showTimer=this.showContent.delay(50,this);}
return this.reposition();},toggleListeners:function(state){var fn=(state)?'addEvent':'removeEvent';this.closeBtn[fn]('click',this.bound.close);this.overlay[fn]('click',this.bound.close);document[fn]('keydown',this.bound.key)[fn]('mousewheel',this.bound.scroll);window[fn]('resize',this.bound.window)[fn]('scroll',this.bound.window);},toggleLoading:function(state){this.isLoading=state;this.win[(state)?'addClass':'removeClass']('sbox-loading');if(state)this.fireEvent('onLoading',[this.win]);},toggleOverlay:function(state){this.overlay.setStyle('display',(state)?'':'none');$(document.body)[(state)?'addClass':'removeClass']('body-overlayed');},showContent:function(){if(this.content.get('opacity'))this.fireEvent('onShow',[this.win]);this.fx.content.start(1);},hideContent:function(){if(!this.content.get('opacity'))this.fireEvent('onHide',[this.win]);this.fx.content.set(0);},onKey:function(e){switch(e.key){case'esc':this.close(e);case'up':case'down':return false;}},checkTarget:function(e){return this.content.hasChild(e.target);},reposition:function(){var size=document.getSize(),scroll=document.getScroll();this.overlay.setStyles({left:scroll.x+'px',top:scroll.y+'px',width:size.x+'px',height:size.y+'px'});this.win.setStyles({left:(scroll.x+(size.x-this.win.offsetWidth)/2).toInt()+'px',top:(scroll.y+(size.y-this.win.offsetHeight)/2).toInt()+'px'});return this.fireEvent('onMove',[this.overlay,this.win]);},removeEvents:function(type){if(!this.$events)return this;if(!type)this.$events=null;else if(this.$events[type])this.$events[type]=null;return this;},extend:function(properties){return $extend(this,properties);},handlers:new Hash(),parsers:new Hash()};SqueezeBox.extend(new Events($empty)).extend(new Options($empty)).extend(new Chain($empty));SqueezeBox.parsers.extend({image:function(preset){return(preset||(/\.(?:jpg|png|gif)$/i).test(this.url))?this.url:false;},clone:function(preset){if($(this.options.target))return $(this.options.target);if(this.element&&!this.element.parentNode)return this.element;var bits=this.url.match(/#([\w-]+)$/);return(bits)?$(bits[1]):(preset?this.element:false);},ajax:function(preset){return(preset||(this.url&&!(/^(?:javascript|#)/i).test(this.url)))?this.url:false;},iframe:function(preset){return(preset||this.url)?this.url:false;},string:function(preset){return true;}});SqueezeBox.handlers.extend({image:function(url){var size,tmp=new Image();this.asset=null;tmp.onload=tmp.onabort=tmp.onerror=(function(){tmp.onload=tmp.onabort=tmp.onerror=null;if(!tmp.width){this.onError.delay(10,this);return;}
var box=document.getSize();box.x-=this.options.marginImage.x;box.y-=this.options.marginImage.y;size={x:tmp.width,y:tmp.height};for(var i=2;i--;){if(size.x>box.x){size.y*=box.x/size.x;size.x=box.x;}else if(size.y>box.y){size.x*=box.y/size.y;size.y=box.y;}}
size.x=size.x.toInt();size.y=size.y.toInt();this.asset=$(tmp);tmp=null;this.asset.setProperties({width:size.x,height:size.y});if(this.isOpen)this.applyContent(this.asset,size);}).bind(this);tmp.src=url;if(tmp&&tmp.onload&&tmp.complete)tmp.onload();return(this.asset)?[this.asset,size]:null;},clone:function(el){return el.clone();},adopt:$arguments(0),ajax:function(url){this.asset=new Request.HTML($merge({method:'get'},this.options.ajaxOptions)).addEvents({onSuccess:function(resp){this.applyContent(resp);this.asset=null;}.bind(this),onFailure:this.onError.bind(this)});this.asset.send.delay(10,this.asset,[{url:url}]);},iframe:function(url){return new Element('iframe',$merge({src:url,frameBorder:0,width:this.options.size.x,height:this.options.size.y},this.options.iframeOptions));},string:function(str){return str;}});SqueezeBox.handlers.url=SqueezeBox.handlers.ajax;SqueezeBox.parsers.url=SqueezeBox.parsers.ajax;SqueezeBox.parsers.adopt=SqueezeBox.parsers.clone;