/*SqueezeBox - Expandable Lightbox - Inspired by Lokesh Dhakar	- The original Lightbox v2 @version	1.1 rc2 @license MIT-style license @author	Harald Kirschner @copyright	Author*/
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:0.9,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;