/*
Software License Agreement (BSD License)

Copyright (c) 2008 Warren Krewenki
All rights reserved.

Redistribution and use of this software in source and binary forms, with or without modification, are
permitted provided that the following conditions are met:

* Redistributions of source code must retain the above
  copyright notice, this list of conditions and the
  following disclaimer.

* Redistributions in binary form must reproduce the above
  copyright notice, this list of conditions and the
  following disclaimer in the documentation and/or other
  materials provided with the distribution.

* Neither the name of jQuery Lightbox nor the names of its
  contributors may be used to endorse or promote products
  derived from this software without specific prior
  written permission of jQuery Lightbox.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

(function($){var opts;$.fn.lightbox=function(options){opts=$.extend({},$.fn.lightbox.defaults,options);$.fn.lightbox.initialize();return this.each(function(){$(this).click(function(){$(this).lightbox.start(this);return false;});});};$.fn.lightbox.initialize=function(){$('#overlay').remove();$('#lightbox').remove();opts.inprogress=false;var outerImage='<div id="outerImageContainer"><div id="imageContainer"><img id="lightboxImage"><div id="hoverNav"><a href="javascript://" title="'+opts.strings.prevLinkTitle+'" id="prevLink"></a><a href="javascript://" id="nextLink" title="'+opts.strings.nextLinkTitle+'"></a></div><div id="loading"><a href="javascript://" id="loadingLink"><img src="'+opts.fileLoadingImage+'"></a></div></div></div>';var imageData='<div id="imageDataContainer" class="clearfix"><div id="imageData"><div id="imageDetails"><span id="caption"></span><span id="numberDisplay"></span></div><div id="bottomNav">'
if(opts.displayHelp)
imageData+='<span id="helpDisplay">'+opts.strings.help+'</span>';imageData+='<a href="javascript://" id="bottomNavClose" title="'+opts.strings.closeTitle+'"><img src="'+opts.fileBottomNavCloseImage+'"></a></div></div></div>';var string;if(opts.navbarOnTop){string='<div id="overlay"></div><div id="lightbox">'+imageData+outerImage+'</div>';$("body").append(string);$("#imageDataContainer").addClass('ontop');}else{string='<div id="overlay"></div><div id="lightbox">'+outerImage+imageData+'</div>';$("body").append(string);}
$("#overlay").click(function(){$.fn.lightbox.end();}).hide();$("#lightbox").click(function(){$.fn.lightbox.end();}).hide();$("#loadingLink").click(function(){$.fn.lightbox.end();return false;});$("#bottomNavClose").click(function(){$.fn.lightbox.end();return false;});$('#outerImageContainer').width(opts.widthCurrent).height(opts.heightCurrent);$('#imageDataContainer').width(opts.widthCurrent);};$.fn.lightbox.getPageSize=function(){var xScroll,yScroll;if(window.innerHeight&&window.scrollMaxY){xScroll=window.innerWidth+window.scrollMaxX;yScroll=window.innerHeight+window.scrollMaxY;}else if(document.body.scrollHeight>document.body.offsetHeight){xScroll=document.body.scrollWidth;yScroll=document.body.scrollHeight;}else{xScroll=document.body.offsetWidth;yScroll=document.body.offsetHeight;}
var windowWidth,windowHeight;if(self.innerHeight){if(document.documentElement.clientWidth){windowWidth=document.documentElement.clientWidth;}else{windowWidth=self.innerWidth;}
windowHeight=self.innerHeight;}else if(document.documentElement&&document.documentElement.clientHeight){windowWidth=document.documentElement.clientWidth;windowHeight=document.documentElement.clientHeight;}else if(document.body){windowWidth=document.body.clientWidth;windowHeight=document.body.clientHeight;}
if(yScroll<windowHeight){pageHeight=windowHeight;}else{pageHeight=yScroll;}
if(xScroll<windowWidth){pageWidth=xScroll;}else{pageWidth=windowWidth;}
var arrayPageSize=new Array(pageWidth,pageHeight,windowWidth,windowHeight);return arrayPageSize;};$.fn.lightbox.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=new Array(xScroll,yScroll);return arrayPageScroll;};$.fn.lightbox.pause=function(ms){var date=new Date();var curDate=null;do{curDate=new Date();}
while(curDate-date<ms);};$.fn.lightbox.start=function(imageLink){$("select, embed, object").hide();var arrayPageSize=$.fn.lightbox.getPageSize();$("#overlay").hide().css({width:'100%',height:arrayPageSize[1]+'px',opacity:opts.overlayOpacity}).fadeIn();opts.imageArray=[];imageNum=0;var anchors=document.getElementsByTagName(imageLink.tagName);if(!imageLink.rel||(imageLink.rel=='')){opts.imageArray.push(new Array(imageLink.href,opts.displayTitle?imageLink.title:''));}else{$("a").each(function(){if(this.href&&(this.rel==imageLink.rel)){opts.imageArray.push(new Array(this.href,opts.displayTitle?this.title:''));}})
for(i=0;i<opts.imageArray.length;i++){for(j=opts.imageArray.length-1;j>i;j--){if(opts.imageArray[i][0]==opts.imageArray[j][0]){opts.imageArray.splice(j,1);}}}
while(opts.imageArray[imageNum][0]!=imageLink.href){imageNum++;}}
var arrayPageScroll=$.fn.lightbox.getPageScroll();var lightboxTop=arrayPageScroll[1]+(arrayPageSize[3]/10);var lightboxLeft=arrayPageScroll[0];$('#lightbox').css({top:lightboxTop+'px',left:lightboxLeft+'px'}).show();if(!opts.slideNavBar)
$('#imageData').hide();$.fn.lightbox.changeImage(imageNum);};$.fn.lightbox.changeImage=function(imageNum){if(opts.inprogress==false){opts.inprogress=true;opts.activeImage=imageNum;$('#loading').show();$('#lightboxImage').hide();$('#hoverNav').hide();$('#prevLink').hide();$('#nextLink').hide();if(opts.slideNavBar){$('#imageDataContainer').hide();$('#imageData').hide();$.fn.doChangeImage();}else{$.fn.doChangeImage();}}};$.fn.doChangeImage=function(){imgPreloader=new Image();imgPreloader.onload=function(){var newWidth=imgPreloader.width;var newHeight=imgPreloader.height;if(opts.fitToScreen){var arrayPageSize=$.fn.lightbox.getPageSize();var ratio;var initialPageWidth=arrayPageSize[2]-2*opts.borderSize;var initialPageHeight=arrayPageSize[3]-200;if(imgPreloader.height>initialPageHeight)
{newWidth=parseInt((initialPageHeight/imgPreloader.height)*imgPreloader.width);newHeight=initialPageHeight;}
else if(imgPreloader.width>initialPageWidth)
{newHeight=parseInt((initialPageWidth/imgPreloader.width)*imgPreloader.height);newWidth=initialPageWidth;}}
$('#lightboxImage').attr('src',opts.imageArray[opts.activeImage][0]).width(newWidth).height(newHeight);$.fn.lightbox.resizeImageContainer(newWidth,newHeight);}
imgPreloader.src=opts.imageArray[opts.activeImage][0];}
$.fn.lightbox.end=function(){$.fn.lightbox.disableKeyboardNav();$('#lightbox').hide();$('#overlay').fadeOut();$('select, object, embed').show();};$.fn.lightbox.preloadNeighborImages=function(){if((opts.imageArray.length-1)>opts.activeImage){preloadNextImage=new Image();preloadNextImage.src=opts.imageArray[opts.activeImage+1][0];}
if(opts.activeImage>0){preloadPrevImage=new Image();preloadPrevImage.src=opts.imageArray[opts.activeImage-1][0];}};$.fn.lightbox.keyboardAction=function(e){if(e==null){var keycode=event.keyCode;var escapeKey=27;}else{var keycode=e.keyCode;var escapeKey=e.DOM_VK_ESCAPE;}
var key=String.fromCharCode(keycode).toLowerCase();if((key=='x')||(key=='o')||(key=='c')||(keycode==escapeKey)){$.fn.lightbox.end();}else if((key=='p')||(keycode==37)){if(opts.activeImage!=0){$.fn.lightbox.disableKeyboardNav();$.fn.lightbox.changeImage(opts.activeImage-1);}}else if((key=='n')||(keycode==39)){if(opts.activeImage!=(opts.imageArray.length-1)){$.fn.lightbox.disableKeyboardNav();$.fn.lightbox.changeImage(opts.activeImage+1);}}};$.fn.lightbox.resizeImageContainer=function(imgWidth,imgHeight){opts.widthCurrent=document.getElementById('outerImageContainer').offsetWidth;opts.heightCurrent=document.getElementById('outerImageContainer').offsetHeight;var widthNew=(imgWidth+(opts.borderSize*2));var heightNew=(imgHeight+(opts.borderSize*2));opts.xScale=(widthNew/opts.widthCurrent)*100;opts.yScale=(heightNew/opts.heightCurrent)*100;wDiff=opts.widthCurrent-widthNew;hDiff=opts.heightCurrent-heightNew;$('#imageDataContainer').animate({width:widthNew},opts.resizeSpeed,'linear');$('#outerImageContainer').animate({width:widthNew},opts.resizeSpeed,'linear',function(){$('#outerImageContainer').animate({height:heightNew},opts.resizeSpeed,'linear',function(){$.fn.lightbox.showImage();});});if((hDiff==0)&&(wDiff==0)){if(jQuery.browser.msie){$.fn.lightbox.pause(250);}else{$.fn.lightbox.pause(100);}}
$('#prevLink').height(imgHeight);$('#nextLink').height(imgHeight);};$.fn.lightbox.showImage=function(){$('#loading').hide();$('#lightboxImage').fadeIn("fast");$.fn.lightbox.updateDetails();$.fn.lightbox.preloadNeighborImages();opts.inprogress=false;};$.fn.lightbox.updateDetails=function(){if(opts.imageArray[opts.activeImage][1]){$('#caption').html(opts.imageArray[opts.activeImage][1]).show();}
if(opts.imageArray.length>1){var nav_html;nav_html=opts.strings.image+(opts.activeImage+1)+opts.strings.of+opts.imageArray.length;if((opts.activeImage)>0){nav_html='<a title="'+opts.strings.prevLinkTitle+'" href="#" id="prevLinkText">'+opts.strings.prevLinkText+"</a>"+nav_html;}
if((opts.activeImage+1)<opts.imageArray.length){nav_html+='<a title="'+opts.strings.nextLinkTitle+'" href="#" id="nextLinkText">'+opts.strings.nextLinkText+"</a>";}
$('#numberDisplay').html(nav_html).show();}
if(opts.slideNavBar){$("#imageData").slideDown(opts.navBarSlideSpeed);}else{$("#imageData").show();}
var arrayPageSize=$.fn.lightbox.getPageSize();$('#overlay').height(arrayPageSize[1]);$.fn.lightbox.updateNav();};$.fn.lightbox.updateNav=function(){$('#hoverNav').show();if(opts.activeImage!=0){$('#prevLink,#prevLinkText').show().click(function(){$.fn.lightbox.changeImage(opts.activeImage-1);return false;});}
if(opts.activeImage!=(opts.imageArray.length-1)){$('#nextLink,#nextLinkText').show().click(function(){$.fn.lightbox.changeImage(opts.activeImage+1);return false;});}
$.fn.lightbox.enableKeyboardNav();};$.fn.lightbox.enableKeyboardNav=function(){document.onkeydown=$.fn.lightbox.keyboardAction;};$.fn.lightbox.disableKeyboardNav=function(){document.onkeydown='';};$.fn.lightbox.defaults={fileLoadingImage:'images/loading.gif',fileBottomNavCloseImage:'images/closelabel.gif',overlayOpacity:0.8,borderSize:10,imageArray:new Array,activeImage:null,inprogress:false,resizeSpeed:350,widthCurrent:250,heightCurrent:250,xScale:1,yScale:1,displayTitle:true,navbarOnTop:false,slideNavBar:false,navBarSlideSpeed:350,displayHelp:false,strings:{help:' \u2190 / P - previous image\u00a0\u00a0\u00a0\u00a0\u2192 / N - next image\u00a0\u00a0\u00a0\u00a0ESC / X - close image gallery',prevLinkTitle:'previous image',nextLinkTitle:'next image',prevLinkText:'&laquo; Previous',nextLinkText:'Next &raquo;',closeTitle:'close image gallery',image:'Image ',of:' of '},fitToScreen:false};})(jQuery);