/* USWT build v3.2.0 - slideshow.js - 2011-05-30 11:42:07 EST - !!! DO NOT MODIFY !!! */
var version="v3.2.0 Distributable Release - 10/12/2010";var SlideshowInstances=[];var DocumentLoad=new Date();$(window).addEvent("domload",function(){DocumentLoad=new Date()});var Slideshow=new Class({Implements:[Options,Events],options:{timer:5,delay:0,order:"random",startAtZero:false,loop:true,offset:[0,0],loadStyle:null,displayErrors:false,quickStart:false,debug:false,animation:{method:Fx.Tween,properties:["opacity",0,1],transition:"linear",duration:2}},images:[],currentImage:null,nextImage:null,imagesRandomised:[],currentEl:null,previousEl:null,running:false,started:false,nextTimer:null,beginLoadTime:null,loadTime:0,injected:false,error:false,load:function(b,a){this.beginLoadTime=new Date();(new Request({url:b,onSuccess:function(k,d){try{var h=d.getElementsByTagName("gallery")[0];if(!h){this.fireEvent("loadError",d,k);this.__displayError("Failed to load slideshow (malformed configuration file [gallery]).");return}var j=[];var c=h.getElementsByTagName("image");if(c.length==0){this.fireEvent("loadError",d,k);this.__displayError("Failed to load slideshow (malformed configuration file [images]).");return}for(var g=0;g<c.length;g++){j.push({src:c[g].getAttribute("path"),duration:c[g].getAttribute("time")})}var f={timer:parseInt(h.getAttribute("timer")),delay:parseInt(h.getAttribute("delay")),order:h.getAttribute("order"),startAtZero:(h.getAttribute("startAtZero")=="yes"),fadeTime:parseInt(h.getAttribute("fadetime")),loop:(h.getAttribute("looping")=="yes"),offset:[parseInt(h.getAttribute("xpos")),parseInt(h.getAttribute("ypos"))]};if(isNaN(f.timer)){delete f.timer}if(isNaN(f.delay)){delete f.delay}if(isNaN(f.fadeTime)){delete f.fadeTime}if(isNaN(f.offset[0])){f.offset[0]=0}if(isNaN(f.offset[1])){f.offset[1]=0}if(!f.delay){f.delay=f.timer}if(typeof(f.fadeTime)!=undefined){this.options.animation.duration=f.fadeTime;delete f.fadeTime}this.setOptions(f);this.setImages(j);this.loadTime=new Date()-this.beginLoadTime;if(a){this.start()}this.fireEvent("load")}catch(e){this.__displayError(e.name+": "+e.message)}}.bind(this),onFailure:function(){this.fireEvent("loadError");this.__displayError("Failed to load slideshow (unable to load configuration).")}.bind(this)})).get()},initialize:function(d,a,c){this.setOptions(a);this.setImages(c);var b={"class":"slide",styles:{"background-position":this.options.offset[1]+"px "+this.options.offset[0]+"px","background-repeat":"no-repeat"}};this.target=d;this.foreground=new Element("div",b);this.background=new Element("div",b);this.setAnimation(this.options.animation.method,this.options.animation.properties,this.options.animation.transition);if(this.options.images){this.setImages(this.options.images);delete a.images}SlideshowInstances.push(this)},getDimensions:function(){return this.dimensions},setAnimation:function(c,b,d){var a=new c(this.foreground,{transition:d?d:"linear",duration:(this.options.animation.duration*1000),onComplete:function(){if(!this.running){return}this.currentImage=this.nextImage;this.fireEvent("imageChanged",this.currentImage);var e=this.__selectNext();this.background.setStyle("background-image","url("+this.images[this.currentImage].src+")");if(!e){this.stop.delay(this.images[this.currentImage].duration*1000,this)}else{this.nextTimer=this.next.delay(this.images[this.currentImage].duration*1000,this)}}.bind(this)});this.__animationStart=a.start.pass(b,a);this.__animation=a},start:function(){if(this.error){return}this.__inject();this.running=true;var a=$(this.target).getStyle("background-image");if(!this.started&&this.currentImage==null&&a){var b=a.match(/^url\((?:'|")?(?:\.\/)?([^"']*)(?:'|")?\)$/i);if(b){var c=b[1];this.images.each(function(e,f){if(c.endsWith(e.src.replace(/^\.\//,""))){this.currentImage=f;this.__selectNext();return}}.bind(this))}}if(this.currentImage==null){this.__selectNext(-1)}if(this.nextTimer!=null){clearTimeout(this.nextTimer);this.nextTimer=null}if(this.currentImage==null||this.options.quickStart){this.nextTimer=this.next.delay(50,this)}else{var d=Math.max((this.images[this.currentImage].duration*1000)-(new Date()-DocumentLoad),50);this.nextTimer=this.next.delay(d,this)}},stop:function(){if(!this.running){return}this.running=false;this.fireEvent("stop")},reset:function(){this.currentImage=null;this.nextImage=null;this.imagesRandomised=null;this.started=false;this.foreground.setStyle("background-image","none");this.background.setStyle("background-image","none")},setImages:function(a){if(this.running){throw"Can't change images while the slideshow is running."}if(!a){return}var b=this.options.timer;this.images=a.map(function(c){if(typeOf(c)=="object"){return{loaded:false,loading:false,valid:true,src:c.src,duration:(c.duration?c.duration:b)}}else{return{loaded:false,loading:false,valid:true,src:c,duration:b}}});this.imagesRandomised=null;this.currentImage=null;this.nextImage=null},preload:function(){if(this.error){return}var a=0;this.images.each(function(b,c){this.__loadImage(c)}.bind(this))},next:function(){if(!this.running){this.nextTimer=null;return}if(this.images.length==0){throw"Cannot run an empty slideshow."}if(!this.images[this.nextImage].loaded){if(!this.images[this.nextImage].valid){this.__selectNext()}this.nextTimer=this.next.delay(100,this);return}if(!this.started){this.fireEvent("start");this.started=true}this.fireEvent("imageChanging",[this.currentImage,this.nextImage]);this.foreground.setStyle.delay((1000/this.__animation.options.fps)+10,this.foreground,["background-image","url("+this.images[this.nextImage].src+")"]);this.__animationStart()},__loadImage:function(a){if(this.images[a].loading||this.images[a].loaded||!this.images[a].valid){return}var b=new Image(1,1);this.images[a].loading=true;b.onerror=function(){this.images[a].valid=false;this.images[a].loading=false;this.fireEvent("imageLoadError",a)}.bind(this);b.onload=function(){this.images[a].loaded=true;this.images[a].loading=false;var c=0;this.images.each(function(d){if(d.loaded){c++}});this.fireEvent("imageLoaded",a,c/this.images.length)}.bind(this);b.src=this.images[a].src},__selectNext:function(a){if(a==null){a=this.currentImage}if(this.options.order=="random"){if(!this.imagesRandomised||this.imagesRandomised.length==0){this.imagesRandomised=[];this.images.length.times(function(b){this.imagesRandomised[b]=b},this);this.imagesRandomised.splice(this.currentImage,1);this.imagesRandomised.shuffle()}this.nextImage=this.imagesRandomised.pop()}else{if(a+1<this.images.length){this.nextImage=a+1}else{if(this.options.loop){this.nextImage=0}else{return false}}}this.__loadImage(this.nextImage);if(!this.images[this.nextImage].valid){if(!this.images.some(function(b){return b.valid})){this.__displayError("Failed to load images.");this.stop();return}return this.__selectNext(this.nextImage)}return true},__inject:function(){if(this.injected){return}this.injected=true;this.dimensions=$(this.target).getCoordinates();var a={width:this.dimensions.width,height:this.dimensions.height};this.background.setStyles(a);this.foreground.setStyles(a);$(this.target).adopt(this.background.adopt(this.foreground));if(typeOf(this.options.loadStyle)=="string"){$(this.target).addClass(this.options.loadStyle)}else{if(typeOf(this.options.loadStyle)=="object"){$(this.target).setStyles(this.options.loadStyle)}}},__displayError:function(a){this.error=true;if(!this.options.displayErrors){if(this.options.debug&&typeOf(console)!="undefined"&&console.log){console.log(a)}return}this.running=false;if(this.nextTimer==null){clearTimeout(this.nextTimer);this.nextTimer=null}if(typeOf(this.options.loadStyle)=="string"){$(this.target).removeClass(this.options.loadStyle)}$(this.target).empty().setStyle("color","#f00").appendText(a)},__debug:function(){if(typeof console=="undefined"){return}console.log("Slideshow with ",this.images.length," images");this.images.each(function(a){console.log("Image: ",a.src," "+(a.valid?"valid":"invalid")," "+(a.loaded?"loaded":"not loaded"))});if(this.running){console.log("The slideshow is running")}if(this.currentImage!=null){console.log("Currently showing image: ",this.images[this.currentImage].src)}else{console.log("Not showing an image")}if(this.nextImage!=null){console.log("Next image: ",this.images[this.nextImage].src)}else{console.log("No next image")}if(this.loadTime>0){console.log("Loaded XML settings in: ",this.loadTime,"ms")}}});function loadSlideshow(d,b,c){var a=new Slideshow(d,c);a.load(b,true);return a}function slideshowDebug(){SlideshowInstances.each(function(a){if(a){a.__debug()}})};