/**
 * jQuery Lightbox Plugin (balupton edition) - Lightboxes for jQuery
 * Copyright (C) 2008 Benjamin Arthur Lupton
 * http://jquery.com/plugins/project/jquerylightbox_bal
 *
 * This file is part of jQuery Lightbox (balupton edition).
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with jQuery Lightbox (balupton edition).  If not, see <http://www.gnu.org/licenses/>.
 */
(function($) {
	if(typeof $.log==='undefined') {
	if(!$.browser.safari&&typeof window.console!=='undefined'&&typeof window.console.log==='function') {
	$.log=function() {
	var args=[];for(var i=0;i<arguments.length;i++) {
	args.push(arguments[i])
	}
	window.console.log.apply(window.console,args)
	}
	;$.console= {
	log:$.log,debug:window.console.debug||$.log,warn:window.console.warn||$.log,error:window.console.error||$.log,trace:window.console.trace||$.log
	}

	}
	else {
	$.log=function() {

	}
	;$.console= {
	log:$.log,debug:$.log,warn:$.log,error:alert,trace:$.log
	}

	}

	}
	$.params_to_json=$.params_to_json||function(params) {
	params=String(params);params=params.substring(params.indexOf('?')+1);params=params.replace(/\+/g,'%20');if(params.substring(0,1)==='{	'&&params.substring(params.length-1)==='	}	') {
	return eval(decodeURIComponent(params))
	}
	params=params.split(/\&|\&amp\;/);var json= {

	}
	;for(var i=0,n=params.length;i<n;++i) {
	var param=params[i]||null;if(param===null) {
	continue
	}
	param=param.split('=');if(param===null) {
	continue
	}
	var key=param[0]||null;if(key===null) {
	continue
	}
	if(typeof param[1]==='undefined') {
	continue
	}
	var value=param[1];key=decodeURIComponent(key);value=decodeURIComponent(value);try {
	value=eval(value)
	}
	catch(e) {

	}
	var keys=key.split('.');if(keys.length===1) {
	json[key]=value
	}
	else {
	var path='';for(ii in keys) {
	key=keys[ii];path+='.'+key;eval('json'+path+' = json'+path+' || {	}	')
	}
	eval('json'+path+' = value')
	}

	}
	return json
	}
	;$.LightboxClass=function() {
	this.construct()
	}
	;$.fn.lightbox=function(options) {
	$.Lightbox=$.Lightbox||new $.LightboxClass();if($.Lightbox.ie6&&!$.Lightbox.ie6_support) {
	return this
	}
	options=$.extend( {
	start:false,events:true
	}
	,options);var group=$(this);if(options.events) {
	$(group).unbind('click').click(function() {
	var obj=$(this);if(!$.Lightbox.init($(obj)[0],group)) {
	return false
	}
	if(!$.Lightbox.start()) {
	return false
	}
	return false
	}
	);$(group).addClass('lightbox-enabled')
	}
	if(options.start) {
	var obj=$(this);if(!$.Lightbox.init($(obj)[0],group)) {
	return this
	}
	if(!$.Lightbox.start()) {
	return this
	}

	}
	return this
	}
	;$.extend($.LightboxClass.prototype, {
	images: {
	list:[],image:false,prev:function(image) {
	if(typeof image==='undefined') {
	image=this.active();if(!image) {
	return image
	}

	}
	if(this.first(image)) {
	return false
	}
	return this.get(image.index-1)
	}
	,next:function(image) {
	if(typeof image==='undefined') {
	image=this.active();if(!image) {
	return image
	}

	}
	if(this.last(image)) {
	return false
	}
	return this.get(image.index+1)
	}
	,first:function(image) {
	if(typeof image==='undefined') {
	return this.get(0)
	}
	return image.index===0
	}
	,last:function(image) {
	if(typeof image==='undefined') {
	return this.get(this.size()-1)
	}
	return image.index===this.size()-1
	}
	,single:function() {
	return this.size()===1
	}
	,size:function() {
	return this.list.length
	}
	,empty:function() {
	return this.size()===0
	}
	,clear:function() {
	this.list=[];this.image=false
	}
	,active:function(image) {
	if(typeof image==='undefined') {
	return this.image
	}
	if(image!==false) {
	image=this.get(image);if(!image) {
	return image
	}

	}
	this.image=image;return true
	}
	,add:function(obj) {
	if(obj[0]) {
	for(var i=0;i<obj.length;i++) {
	this.add(obj[i])
	}
	return true
	}
	var image=this.create(obj);if(!image) {
	return image
	}
	image.index=this.size();this.list.push(image);return true
	}
	,create:function(obj) {
	var image= {
	src:'',title:'',description:'',name:'',index:-1,color:null,width:null,height:null,image:true
	}
	;if(obj.image) {
	image.src=obj.src||image.src;image.title=obj.title||image.title;image.description=obj.description||image.description;image.name=obj.name||image.name;image.color=obj.color||image.color;image.width=obj.width||image.width;image.height=obj.height||image.height;image.index=obj.index||image.index
	}
	else {
	if(obj.tagName) {
	obj=$(obj);if(obj.attr('src')||obj.attr('href')) {
	image.src=obj.attr('src')||obj.attr('href');image.title=obj.attr('title')||obj.attr('alt')||image.title;image.name=obj.attr('name')||'';image.color=obj.css('backgroundColor');var s=image.title.indexOf(': ');if(s>0) {
	image.description=image.title.substring(s+2)||image.description;image.title=image.title.substring(0,s)||image.title
	}

	}
	else {
	image=false
	}

	}
	else {
	image=false
	}

	}
	if(!image) {
	$.console.error('We dont know what we have:',obj);return false
	}
	return image
	}
	,get:function(image) {
	if(typeof image==='undefined'||image===null) {
	return this.active()
	}
	else {
	if(typeof image==='number') {
	image=this.list[image]||false
	}
	else {
	image=this.create(image);if(!image) {
	return false
	}
	var f=false;for(var i=0;i<this.size();i++) {
	var c=this.list[i];if(c.src===image.src&&c.title===image.title&&c.description===image.description) {
	f=c
	}

	}
	image=f
	}

	}
	if(!image) {
	$.console.error('The desired image does not exist: ',image,this.list);return false
	}
	return image
	}
	,debug:function() {
	return $.Lightbox.debug(arguments)
	}

	}
	,constructed:false,compressed:null,src:null,baseurl:null,files: {
	compressed: {
	js: {
	lightbox:'scripts/jquery.lightbox.min.js',colorBlend:'scripts/jquery.color.min.js'
	}
	,css: {
	lightbox:'styles/jquery.lightbox.packed.css'
	}

	}
	,uncompressed: {
	js: {
	lightbox:'scripts/jquery.lightbox.js',colorBlend:'scripts/jquery.color.js'
	}
	,css: {
	lightbox:'styles/jquery.lightbox.css'
	}

	}
	,images: {
	prev:'images/prev.gif',next:'images/next.gif',blank:'images/blank.gif',loading:'images/loading.gif'
	}

	}
	,text: {
	// 2010.07.19 - 移除 Download 文字
	image:'相片',of:'之',close:'關閉',closeInfo:'You can also click anywhere outside the image to close.',download:'',help: {
	close:'點擊相片外區域可關閉',interact:'移動滑鼠到相片上進行操作'
	}
	,about: {
	text:'禾蘴室內設計(life168)影像展示中心<br />(jQuery 外掛版 1.0.1)',title:'Licenced GPL v2.',link:'http://mnec.net/'
	}

	}
	,keys: {
	close:'c',prev:'p',next:'n'
	}
	,handlers: {
	show:null
	}
	,opacity:0.9,padding:null,speed:400,rel:'lightbox',auto_relify:true,auto_scroll:'follow',auto_resize:true,ie6:null,ie6_support:true,ie6_upgrade:true,colorBlend:null,download_link:false,show_helper_text:true,show_linkback:true,show_info:'auto',show_extended_info:'auto',options:['show_helper_text','auto_scroll','auto_resize','download_link','show_info','show_extended_info','ie6_support','ie6_upgrade','colorBlend','baseurl','files','text','show_linkback','keys','opacity','padding','speed','rel','auto_relify'],construct:function(options) {
	var initial=typeof this.constructed==='undefined'||this.constructed===false;this.constructed=true;var domReady=initial;options=options|| {

	}
	;var prepend=function(item,value) {
	if(typeof item==='object') {
	for(var i in item) {
	item[i]=prepend(item[i],value)
	}

	}
	else {
	if(typeof value==='array') {
	for(var i=0,n=item.length;i<n;++i) {
	item[i]=prepend(item[i],value)
	}

	}
	else {
	item=value+item
	}

	}
	return item
	}
	;if(initial&&(typeof options.files==='undefined')) {
	this.compressed=null;var $script=$('script[src*='+this.files.compressed.js.lightbox+']:first');if($script.length!==0) {
	$.extend(true,this.files,this.files.compressed);this.compressed=true
	}
	else {
	$script=$('script[src*='+this.files.uncompressed.js.lightbox+']:first');if($script.length!==0) {
	$.extend(true,this.files,this.files.uncompressed);this.compressed=false
	}
	else {

	}

	}
	if(this.compressed===null) {
	$.console.error('Lightbox was not able to find it\'s javascript script tag necessary for auto-inclusion.');domReady=false
	}
	else {
	this.src=$script.attr('src');this.baseurl=this.src.substring(0,this.src.indexOf(this.files.js.lightbox));this.files=prepend(this.files,this.baseurl);options=$.extend(options,$.params_to_json(this.src))
	}

	}
	else {
	if(typeof options.files==='object') {
	options.files=prepend(options.files,this.baseurl)
	}
	else {
	domReady=false
	}

	}
	for(var i in this.options) {
	var name=this.options[i];if((typeof options[name]==='object')&&(typeof this[name]==='object')) {
	this[name]=$.extend(true,this[name],options[name])
	}
	else {
	if(typeof options[name]!=='undefined') {
	this[name]=options[name]
	}

	}

	}
	delete i;if(initial&&navigator.userAgent.indexOf('MSIE 6')>=0) {
	this.ie6=true
	}
	else {
	this.ie6=false
	}
	if(domReady||typeof options.download_link!=='undefined'||typeof options.colorBlend!=='undefined'||typeof options.files==='object'||typeof options.text==='object'||typeof options.show_linkback!=='undefined'||typeof options.scroll_with!=='undefined') {
	$(function() {
	$.Lightbox.domReady()
	}
	)
	}
	return true
	}
	,domReady:function() {
	var bodyEl=document.getElementsByTagName($.browser.safari?'head':'body')[0];var stylesheets=this.files.css;var scripts=this.files.js;if(this.ie6&&this.ie6_upgrade) {
	scripts.ie6='http://www.savethedevelopers.org/say.no.to.ie.6.js'
	}
	if(this.colorBlend===true&&typeof $.colorBlend==='undefined') {
	this.colorBlend=true
	}
	else {
	this.colorBlend=typeof $.colorBlend!=='undefined';delete scripts.colorBlend
	}
	for(stylesheet in stylesheets) {
	var linkEl=document.createElement('link');linkEl.type='text/css';linkEl.rel='stylesheet';linkEl.media='screen';linkEl.href=stylesheets[stylesheet];linkEl.id='lightbox-stylesheet-'+stylesheet.replace(/[^a-zA-Z0-9]/g,'');$('#'+linkEl.id).remove();bodyEl.appendChild(linkEl)
	}
	for(script in scripts) {
	var scriptEl=document.createElement('script');scriptEl.type='text/javascript';scriptEl.src=scripts[script];scriptEl.id='lightbox-script-'+script.replace(/[^a-zA-Z0-9]/g,'');$('#'+scriptEl.id).remove();bodyEl.appendChild(scriptEl)
	}
	delete scripts;delete stylesheets;delete bodyEl;$('#lightbox,#lightbox-overlay').remove();$('body').append('<div id="lightbox-overlay"><div id="lightbox-overlay-text">'+(this.show_linkback?'<p><span id="lightbox-overlay-text-about"><a href="#" title="'+this.text.about.title+'">'+this.text.about.text+'</a></span></p><p>&nbsp;</p>':'')+(this.show_helper_text?'<p><span id="lightbox-overlay-text-close">'+this.text.help.close+'</span><br/>&nbsp;<span id="lightbox-overlay-text-interact">'+this.text.help.interact+'</span></p>':'')+'</div></div><div id="lightbox"><div id="lightbox-imageBox"><div id="lightbox-imageContainer"><img id="lightbox-image" /><div id="lightbox-nav"><a href="#" id="lightbox-nav-btnPrev"></a><a href="#" id="lightbox-nav-btnNext"></a></div><div id="lightbox-loading"><a href="#" id="lightbox-loading-link"><img src="'+this.files.images.loading+'" /></a></div></div></div><div id="lightbox-infoBox"><div id="lightbox-infoContainer"><div id="lightbox-infoHeader"><span id="lightbox-caption">'+(this.download_link?'<a href="#" title="'+this.text.download+'" id="lightbox-caption-title"></a>':'<span id="lightbox-caption-title"></span>')+'<span id="lightbox-caption-seperator"></span><span id="lightbox-caption-description"></span></span></div><div id="lightbox-infoFooter"><span id="lightbox-currentNumber"></span><span id="lightbox-close"><a href="#" id="lightbox-close-button" title="'+this.text.closeInfo+'">'+this.text.close+'</a></span></div><div id="lightbox-infoContainer-clear"></div></div></div></div>');this.resizeBoxes();this.repositionBoxes();$('#lightbox,#lightbox-overlay,#lightbox-overlay-text-interact').hide();if(this.ie6&&this.ie6_support) {
	$('#lightbox-overlay').css( {
	position:'absolute',top:'0px',left:'0px'
	}
	)
	}
	$.each(this.files.images,function() {
	var preloader=new Image();preloader.onload=function() {
	preloader.onload=null;preloader=null
	}
	;preloader.src=this
	}
	);$(window).unbind('resize').resize(function() {
	$.Lightbox.resizeBoxes('resized')
	}
	);if(this.scroll==='follow') {
	$(window).scroll(function() {
	$.Lightbox.repositionBoxes()
	}
	)
	}
	$('#lightbox-nav-btnPrev').unbind().hover(function() {
	$(this).css( {
	background:'url('+$.Lightbox.files.images.prev+') left 45% no-repeat'
	}
	)
	}
	,function() {
	$(this).css( {
	background:'transparent url('+$.Lightbox.files.images.blank+') no-repeat'
	}
	)
	}
	).click(function() {
	$.Lightbox.showImage($.Lightbox.images.prev());return false
	}
	);$('#lightbox-nav-btnNext').unbind().hover(function() {
	$(this).css( {
	background:'url('+$.Lightbox.files.images.next+') right 45% no-repeat'
	}
	)
	}
	,function() {
	$(this).css( {
	background:'transparent url('+$.Lightbox.files.images.blank+') no-repeat'
	}
	)
	}
	).click(function() {
	$.Lightbox.showImage($.Lightbox.images.next());return false
	}
	);if(this.show_linkback) {
		$('#lightbox-overlay-text-about a').click(function() {
			window.open($.Lightbox.text.about.link);return false
		}
	)
	}
	$('#lightbox-overlay-text-close').unbind().hover(function() {
	$('#lightbox-overlay-text-interact').fadeIn()
	}
	,function() {
	$('#lightbox-overlay-text-interact').fadeOut()
	}
	);

	// 2010.07.19 - 移除圖片點擊下載連結
	$('#lightbox-caption-title').click(function() {
		// window.open($(this).attr('href'));
		return false;
	}
	);$('#lightbox-overlay, #lightbox, #lightbox-loading-link, #lightbox-btnClose').unbind().click(function() {
	$.Lightbox.finish();return false
	}
	);if(this.auto_relify) {
	this.relify()
	}
	return true
	}
	,relify:function() {
	var groups= {

	}
	;var groups_n=0;var orig_rel=this.rel;$.each($('[rel*='+orig_rel+']'),function(index,obj) {
	var rel=$(obj).attr('rel');if(rel===orig_rel) {
	rel=groups_n
	}
	if(typeof groups[rel]==='undefined') {
	groups[rel]=[];groups_n++
	}
	groups[rel].push(obj)
	}
	);$.each(groups,function(index,group) {
	$(group).lightbox()
	}
	);return true
	}
	,init:function(image,images) {
	if(typeof images==='undefined') {
	images=image;image=0
	}
	this.images.clear();if(!this.images.add(images)) {
	return false
	}
	if(this.images.empty()) {
	$.console.warn('WARNING','Lightbox started, but no images: ',image,images);return false
	}
	if(!this.images.active(image)) {
	return false
	}
	return true
	}
	,start:function() {
	this.visible=true;if(this.scroll==='disable') {
	$(document.body).css('overflow','hidden')
	}
	$('embed, object, select').css('visibility','hidden');this.resizeBoxes('general');this.repositionBoxes( {
	speed:0
	}
	);$('#lightbox-infoFooter').hide();$('#lightbox-image,#lightbox-nav,#lightbox-nav-btnPrev,#lightbox-nav-btnNext,#lightbox-infoBox').hide();$('#lightbox-overlay').css('opacity',this.opacity).fadeIn(400,function() {
	$('#lightbox').fadeIn(300);if(!$.Lightbox.showImage($.Lightbox.images.active())) {
	$.Lightbox.finish();return false
	}

	}
	);return true
	}
	,finish:function() {
	$('#lightbox').hide();$('#lightbox-overlay').fadeOut(function() {
	$('#lightbox-overlay').hide()
	}
	);$('embed, object, select').css( {
	visibility:'visible'
	}
	);this.images.active(false);if(this.scroll==='disable') {
	$(document.body).css('overflow','visible')
	}
	this.visible=false
	}
	,resizeBoxes:function(type) {
	if(type!=='transition') {
	var $body=$(this.ie6?document.body:document);$('#lightbox-overlay').css( {
	width:$body.width(),height:$body.height()
	}
	);delete $body
	}
	switch(type) {
	case'general':return true;break;case'resized':if(this.auto_resize===false) {
	this.repositionBoxes( {
	nHeight:nHeight,speed:this.speed
	}
	);return true
	}
	case'transition':default:break
	}
	var image=this.images.active();if(!image||!image.width||!this.visible) {
	return false
	}
	var iWidth=image.width;var iHeight=image.height;var wWidth=$(window).width();var wHeight=$(window).height();if(this.auto_resize!==false) {
	var maxWidth=Math.floor(wWidth*(4/5));var maxHeight=Math.floor(wHeight*(4/5));var resizeRatio;while(iWidth>maxWidth||iHeight>maxHeight) {
	if(iWidth>maxWidth) {
	resizeRatio=maxWidth/iWidth;iWidth=maxWidth;iHeight=Math.floor(iHeight*resizeRatio)
	}
	if(iHeight>maxHeight) {
	resizeRatio=maxHeight/iHeight;iHeight=maxHeight;iWidth=Math.floor(iWidth*resizeRatio)
	}

	}

	}
	var cWidth=$('#lightbox-imageBox').width();var cHeight=$('#lightbox-imageBox').height();var nWidth=(iWidth+(this.padding*2));var nHeight=(iHeight+(this.padding*2));var dWidth=cWidth-nWidth;var dHeight=cHeight-nHeight;$('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css('height',nHeight);$('#lightbox-infoBox').css('width',nWidth);if(type==='transition') {
	if(dWidth===0&&dHeight===0) {
	this.pause(this.speed/3);this.showImage(null,3)
	}
	else {
	$('#lightbox-image').width(iWidth).height(iHeight);$('#lightbox-imageBox').animate( {
	width:nWidth,height:nHeight
	}
	,this.speed,function() {
	$.Lightbox.showImage(null,3)
	}
	)
	}

	}
	else {
	$('#lightbox-image').animate( {
	width:iWidth,height:iHeight
	}
	,this.speed);$('#lightbox-imageBox').animate( {
	width:nWidth,height:nHeight
	}
	,this.speed)
	}
	this.repositionBoxes( {
	nHeight:nHeight,speed:this.speed
	}
	);return true
	}
	,repositioning:false,reposition_failsafe:false,repositionBoxes:function(options) {
	if(this.repositioning) {
	this.reposition_failsafe=true;return null
	}
	this.repositioning=true;options=$.extend( {

	}
	,options);options.callback=options.callback||null;options.speed=options.speed||'slow';var pageScroll=this.getPageScroll();var nHeight=options.nHeight||parseInt($('#lightbox').height(),10);var nTop=pageScroll.yScroll+($(window).height()-nHeight)/2.5;var nLeft=pageScroll.xScroll;var css= {
	left:nLeft,top:nTop
	}
	;if(options.speed) {
	$('#lightbox').animate(css,'slow',function() {
	if($.Lightbox.reposition_failsafe) {
	$.Lightbox.repositioning=$.Lightbox.reposition_failsafe=false;$.Lightbox.repositionBoxes(options)
	}
	else {
	$.Lightbox.repositioning=false;if(options.callback) {
	options.callback()
	}

	}

	}
	)
	}
	else {
	$('#lightbox').css(css);if(this.reposition_failsafe) {
	this.repositioning=this.reposition_failsafe=false;this.repositionBoxes(options)
	}
	else {
	this.repositioning=false
	}

	}
	return true
	}
	,visible:false,showImage:function(image,step) {
	image=this.images.get(image);if(!image) {
	return image
	}
	step=step||1;var skipped_step_1=step>1&&this.images.active().src!==image.src;var skipped_step_2=step>2&&$('#lightbox-image').attr('src')!==image.src;if(skipped_step_1||skipped_step_2) {
	$.console.info('We wanted to skip a few steps: ',image,step,skipped_step_1,skipped_step_2);step=1
	}
	switch(step) {
	case 1:this.KeyboardNav_Disable();$('#lightbox-loading').show();$('#lightbox-image,#lightbox-nav,#lightbox-nav-btnPrev,#lightbox-nav-btnNext,#lightbox-infoBox').hide();$('#lightbox-imageBox').unbind();if(!this.images.active(image)) {
	return false
	}
	if(image.width&&image.height) {
	this.showImage(null,2)
	}
	else {
	var preloader=new Image();preloader.onload=function() {
	image.width=preloader.width;image.height=preloader.height;$.Lightbox.showImage(null,2);preloader.onload=null;preloader=null
	}
	;preloader.src=image.src
	}
	break;case 2:$('#lightbox-image').attr('src',image.src);if(typeof this.padding==='undefined'||this.padding===null||isNaN(this.padding)) {
	this.padding=parseInt($('#lightbox-imageContainer').css('padding-left'),10)||parseInt($('#lightbox-imageContainer').css('padding'),10)||0
	}
	if(this.colorBlend) {
	$('#lightbox-overlay').animate( {
	backgroundColor:image.color
	}
	,this.speed*2);$('#lightbox-imageBox').css('borderColor',image.color)
	}
	this.resizeBoxes('transition');break;case 3:$('#lightbox-loading').hide();$('#lightbox-image').fadeIn(this.speed*1.5,function() {
	$.Lightbox.showImage(null,4)
	}
	);this.preloadNeighbours();if(this.handlers.show!==null) {
	this.handlers.show(image)
	}
	break;
	// 2010.07.19 - 消除圖片 Untitled.
	case 4:
		var $title = $('#lightbox-caption-title').html(image.title || '');

		// 2010.07.19 - 移除 Download Link.
		if(this.download_link) {
			// $title.attr('href', this.download_link?image.src:'');
		}
	delete $title;$('#lightbox-caption-seperator').html(image.description?': ':'');$('#lightbox-caption-description').html(image.description||'&nbsp;');if(this.images.size()>1) {
	$('#lightbox-currentNumber').html(this.text.image+'&nbsp;'+(image.index+1)+'&nbsp;'+this.text.of+'&nbsp;'+this.images.size())
	}
	else {
	$('#lightbox-currentNumber').html('&nbsp;')
	}
	$('#lightbox-imageBox').unbind('mouseover').mouseover(function() {
	$('#lightbox-infoBox:not(:visible)').stop().slideDown('fast')
	}
	);$('#lightbox-infoBox').unbind('mouseover').mouseover(function() {
	$('#lightbox-infoFooter:not(:visible)').stop().slideDown('fast')
	}
	);if(this.show_extended_info===true) {
	$('#lightbox-imageBox').trigger('mouseover');$('#lightbox-infoBox').trigger('mouseover')
	}
	else {
	if(this.show_info===true) {
	$('#lightbox-imageBox').trigger('mouseover')
	}

	}
	$('#lightbox-nav-btnPrev, #lightbox-nav-btnNext').css( {
	background:'transparent url('+this.files.images.blank+') no-repeat'
	}
	);if(!this.images.first(image)) {
	$('#lightbox-nav-btnPrev').show()
	}
	if(!this.images.last(image)) {
	$('#lightbox-nav-btnNext').show()
	}
	$('#lightbox-nav').show();this.KeyboardNav_Enable();break;default:$.console.error('Don\'t know what to do: ',image,step);return this.showImage(image,1)
	}
	return true
	}
	,preloadNeighbours:function() {
	if(this.images.single()||this.images.empty()) {
	return true
	}
	var image=this.images.active();if(!image) {
	return image
	}
	var prev=this.images.prev(image);var objNext;if(prev) {
	objNext=new Image();objNext.src=prev.src
	}
	var next=this.images.next(image);if(next) {
	objNext=new Image();objNext.src=next.src
	}

	}
	,KeyboardNav_Enable:function() {
	$(document).keydown(function(objEvent) {
	$.Lightbox.KeyboardNav_Action(objEvent)
	}
	)
	}
	,KeyboardNav_Disable:function() {
	$(document).unbind('keydown')
	}
	,KeyboardNav_Action:function(objEvent) {
	objEvent=objEvent||window.event;var keycode=objEvent.keyCode;var escapeKey=objEvent.DOM_VK_ESCAPE||27;var key=String.fromCharCode(keycode).toLowerCase();if(key===this.keys.close||keycode===escapeKey) {
	return $.Lightbox.finish()
	}
	if(key===this.keys.prev||keycode===37) {
	return $.Lightbox.showImage($.Lightbox.images.prev())
	}
	if(key===this.keys.next||keycode===39) {
	return $.Lightbox.showImage($.Lightbox.images.next())
	}
	return true
	}
	,getPageScroll:function() {
	var xScroll,yScroll;if(self.pageYOffset) {
	yScroll=self.pageYOffset;xScroll=self.pageXOffset
	}
	else {
	if(document.documentElement&&document.documentElement.scrollTop) {
	yScroll=document.documentElement.scrollTop;xScroll=document.documentElement.scrollLeft
	}
	else {
	if(document.body) {
	yScroll=document.body.scrollTop;xScroll=document.body.scrollLeft
	}

	}

	}
	var arrayPageScroll= {
	xScroll:xScroll,yScroll:yScroll
	}
	;return arrayPageScroll
	}
	,pause:function(ms) {
	var date=new Date();var curDate=null;do {
	curDate=new Date()
	}
	while(curDate-date<ms)
	}

	}
	);if(typeof $.Lightbox==='undefined') {
	$.Lightbox=new $.LightboxClass()
	}

	}
)(jQuery);