var SqueezeBox={presets:{onOpen:$empty,onClose:$empty,onUpdate:$empty,onResize:$empty,onMove:$empty,onShow:$empty,onHide:$empty,size:{x:600,y:450},sizeLoading:{x:200,y:150},marginInner:{x:20,y:20},marginImage:{x:50,y:75},handler:false,target:null,closable:true,closeBtn:true,zIndex:65555,overlayOpacity:0.7,classWindow:"",classOverlay:"",overlayFx:{},resizeFx:{},contentFx:{},parse:false,parseSecure:false,shadow:true,document:null,ajaxOptions:{}},initialize:function(presets){if(this.options){return this;
}this.presets=$merge(this.presets,presets);this.doc=this.presets.document||document;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.win=new Element("div",{id:"sbox-window",styles:{display:"none",zIndex:this.options.zIndex+2}});
if(this.options.shadow){if(Browser.Engine.webkit420){this.win.setStyle("-webkit-box-shadow","0 0 10px rgba(0, 0, 0, 0.7)");}else{if(!Browser.Engine.trident4){var shadow=new Element("div",{"class":"sbox-bg-wrap"}).inject(this.win);var relay=function(e){this.overlay.fireEvent("click",[e]);}.bind(this);["n","ne","e","se","s","sw","w","nw"].each(function(dir){new Element("div",{"class":"sbox-bg sbox-bg-"+dir}).inject(shadow).addEvent("click",relay);});}}}this.content=new Element("div",{id:"sbox-content"}).inject(this.win);
this.closeBtn=new Element("a",{id:"sbox-btn-close",href:"#"}).inject(this.win);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)};
$(this.doc.body).adopt(this.overlay,this.win);},assign:function(to,options){return($(to)||$$(to)).addEvent("click",function(){return !SqueezeBox.fromElement(this,options);});},open:function(subject,options){this.initialize();if(this.element!=null){this.trash();}this.element=$(subject)||false;this.setOptions($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.url=((this.element)?(this.element.get("href")):subject)||this.options.url||"";this.assignOptions();var handler=handler||this.options.handler;if(handler){return this.setContent(handler,this.parsers[handler].call(this,true));}var ret=false;return this.parsers.some(function(parser,key){var content=parser.call(this);if(content){ret=this.setContent(key,content);return true;}return false;},this);},fromElement:function(from,options){return this.open(from,options);},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.fireEvent("onClose",[this.content]);this.trash();this.toggleListeners();this.isOpen=false;return this;},trash:function(){this.element=this.asset=null;
this.content.empty();this.options={};this.removeEvents().setOptions(this.presets).callChain();},onError:function(){this.asset=null;this.setContent("string",this.options.errorMsg||"An error occurred");},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){if(!this.isOpen&&!this.applyTimer){return;}this.applyTimer=$clear(this.applyTimer);this.hideContent();if(!content){this.toggleLoading(true);}else{if(this.isLoading){this.toggleLoading(false);}this.fireEvent("onUpdate",[this.content],20);}if(content){if(["string","array"].contains($type(content))){this.content.set("html",content);}else{if(!this.content.hasChild(content)){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){this.showTimer=$clear(this.showTimer||null);var box=this.doc.getSize(),scroll=this.doc.getScroll();this.size=$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()};
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);this.doc[fn]("keydown",this.bound.key)[fn]("mousewheel",this.bound.scroll);this.doc.getWindow()[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){var full=this.doc.getSize().x;this.overlay.setStyle("display",(state)?"":"none");this.doc.body[(state)?"addClass":"removeClass"]("body-overlayed");if(state){this.scrollOffset=this.doc.getWindow().getSize().x-full;this.doc.body.setStyle("margin-right",this.scrollOffset);}else{this.doc.body.setStyle("margin-right","");
}},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.cancel().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=this.doc.getSize(),scroll=this.doc.getScroll(),ssize=this.doc.getScrollSize();
this.overlay.setStyles({width:ssize.x+"px",height:ssize.y+"px"});this.win.setStyles({left:(scroll.x+(size.x-this.win.offsetWidth)/2-this.scrollOffset).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)?$(bits[1]):(preset?this.element:false);},ajax:function(preset){return(preset||(this.url&&!(/^(?:javascript|#)/i).test(this.url)))?this.url:false;
},iframe:function(preset){return(preset||this.url)?this.url:false;},string:function(preset){return true;}});SqueezeBox.handlers.extend({image:function(url){var size,tmp=new Image();this.asset=null;tmp.onload=tmp.onabort=tmp.onerror=(function(){tmp.onload=tmp.onabort=tmp.onerror=null;if(!tmp.width){this.onError.delay(10,this);return;}var box=this.doc.getSize();box.x-=this.options.marginImage.x;box.y-=this.options.marginImage.y;size={x:tmp.width,y:tmp.height};for(var i=2;i--;){if(size.x>box.x){size.y*=box.x/size.x;
size.x=box.x;}else{if(size.y>box.y){size.x*=box.y/size.y;size.y=box.y;}}}size.x=size.x.toInt();size.y=size.y.toInt();this.asset=$(tmp);tmp=null;this.asset.width=size.x;this.asset.height=size.y;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){if(el){return el.clone();}return this.onError();},adopt:function(el){if(el){return el;}return this.onError();},ajax:function(url){var options=this.options.ajaxOptions||{};
this.asset=new Request.HTML($merge({method:"get",evalScripts:false},this.options.ajaxOptions)).addEvents({onSuccess:function(resp){this.applyContent(resp);if(options.evalScripts!==null&&!options.evalScripts){$exec(this.asset.response.javascript);}this.fireEvent("onAjax",[resp,this.asset]);this.asset=null;}.bind(this),onFailure:this.onError.bind(this)});this.asset.send.delay(10,this.asset,[{url:url}]);},iframe:function(url){this.asset=new Element("iframe",$merge({src:url,frameBorder:0,width:this.options.size.x,height:this.options.size.y},this.options.iframeOptions));
if(this.options.iframePreload){this.asset.addEvent("load",function(){this.applyContent(this.asset.setStyle("display",""));}.bind(this));this.asset.setStyle("display","none").inject(this.content);return false;}return this.asset;},string:function(str){return str;}});SqueezeBox.handlers.url=SqueezeBox.handlers.ajax;SqueezeBox.parsers.url=SqueezeBox.parsers.ajax;SqueezeBox.parsers.adopt=SqueezeBox.parsers.clone;