// (c) 2008 Trent Foley
;(function($){document.write("<style type='text/css'>.noscript{display:none}</style>");var ver='galleriffic-0.7';var galleryOffset=0;var galleries=[];var allImages=[];var historyCurrentHash;var historyBackStack;var historyForwardStack;var isFirst=false;var dontCheck=false;var isInitialized=false;function getHash(){var hash=location.hash;if(!hash)return-1;hash=hash.replace(/^.*#/,'');if(isNaN(hash))return-1;return(+hash);}
function registerGallery(gallery){galleries.push(gallery);galleryOffset+=gallery.data.length;}
function getGallery(hash){for(i=0;i<galleries.length;i++){var gallery=galleries[i];if(hash<(gallery.data.length+gallery.offset))
return gallery;}
return 0;}
function historyCallback(){var hash=getHash();if(hash<0)return;var gallery=getGallery(hash);if(!gallery)return;var index=hash-gallery.offset;gallery.goto(index);}
function historyInit(){if(isInitialized)return;isInitialized=true;var current_hash=location.hash;historyCurrentHash=current_hash;if($.browser.msie){if(historyCurrentHash==''){historyCurrentHash='#';}}else if($.browser.safari){historyBackStack=[];historyBackStack.length=history.length;historyForwardStack=[];isFirst=true;}
setInterval(function(){historyCheck();},100);}
function historyAddHistory(hash){historyBackStack.push(hash);historyForwardStack.length=0;isFirst=true;}
function historyCheck(){if($.browser.safari){if(!dontCheck){var historyDelta=history.length-historyBackStack.length;if(historyDelta){isFirst=false;if(historyDelta<0){for(var i=0;i<Math.abs(historyDelta);i++)historyForwardStack.unshift(historyBackStack.pop());}else{for(var i=0;i<historyDelta;i++)historyBackStack.push(historyForwardStack.shift());}
var cachedHash=historyBackStack[historyBackStack.length-1];if(cachedHash!=undefined){historyCurrentHash=location.hash;historyCallback();}}else if(historyBackStack[historyBackStack.length-1]==undefined&&!isFirst){historyCallback();isFirst=true;}}}else{var current_hash=location.hash;if(current_hash!=historyCurrentHash){historyCurrentHash=current_hash;historyCallback();}}}
var defaults={delay:3000,numThumbs:20,preloadAhead:40,enableTopPager:true,enableBottomPager:true,imageContainerSel:'',thumbsContainerSel:'',controlsContainerSel:'',titleContainerSel:'',descContainerSel:'',downloadLinkSel:'',renderSSControls:true,renderNavControls:true,playLinkText:'Play &gt;',pauseLinkText:'Pause',prevLinkText:'&lt; Previous',nextLinkText:'Next &gt;',nextPageLinkText:'Next &rsaquo;',prevPageLinkText:'&lsaquo; Prev'};function clickHandler(gallery){gallery.pause();return false;}
$.fn.galleriffic=function(thumbsContainerSel,settings){$.extend(this,{ver:function(){return ver;},buildDataFromThumbs:function(){this.data=[];var gallery=this;this.$thumbsContainer.find('li').each(function(i){var $a=$(this).find('a');var $img=$a.find('img:first');gallery.data.push({slide:$a.attr('href'),thumb:$img.attr('src'),original:$a.attr('original'),title:$a.attr('title'),description:$a.attr('description'),hash:gallery.offset+i});});return this;},isPreloadComplete:false,preloadInit:function(){if(this.settings.preloadAhead==0)return this;this.preloadStartIndex=this.currentIndex;var nextIndex=this.getNextIndex(this.preloadStartIndex);return this.preloadRecursive(this.preloadStartIndex,nextIndex);},preloadRelocate:function(index){this.preloadStartIndex=index;return this;},preloadRecursive:function(startIndex,currentIndex){if(startIndex!=this.preloadStartIndex){var nextIndex=this.getNextIndex(this.preloadStartIndex);return this.preloadRecursive(this.preloadStartIndex,nextIndex);}
var gallery=this;var preloadCount=currentIndex-startIndex;if(preloadCount<0)
preloadCount=this.data.length-1-startIndex+currentIndex;if(this.settings.preloadAhead>=0&&preloadCount>this.settings.preloadAhead){setTimeout(function(){gallery.preloadRecursive(startIndex,currentIndex);},500);return this;}
var imageData=this.data[currentIndex];if(imageData.$image)
return this.preloadNext(startIndex,currentIndex);var image=new Image();image.onload=function(){imageData.$image=this;gallery.preloadNext(startIndex,currentIndex);};image.alt=imageData.title;image.src=imageData.slide;return this;},preloadNext:function(startIndex,currentIndex){var nextIndex=this.getNextIndex(currentIndex);if(nextIndex==startIndex){this.isPreloadComplete=true;}else{var gallery=this;setTimeout(function(){gallery.preloadRecursive(startIndex,nextIndex);},100);}
return this;},getNextIndex:function(index){var nextIndex=index+1;if(nextIndex>=this.data.length)
nextIndex=0;return nextIndex;},getPrevIndex:function(index){var prevIndex=index-1;if(prevIndex<0)
prevIndex=this.data.length-1;return prevIndex;},pause:function(){if(this.interval)
this.toggleSlideshow();return this;},play:function(){if(!this.interval)
this.toggleSlideshow();return this;},toggleSlideshow:function(){if(this.interval){clearInterval(this.interval);this.interval=0;if(this.$controlsContainer){this.$controlsContainer.find('div.ss-controls span').removeClass().addClass('play').attr('title',this.settings.playLinkText).html(this.settings.playLinkText);}}else{this.ssAdvance();var gallery=this;this.interval=setInterval(function(){gallery.ssAdvance();},this.settings.delay);if(this.$controlsContainer){this.$controlsContainer.find('div.ss-controls span').removeClass().addClass('pause').attr('title',this.settings.pauseLinkText).html(this.settings.pauseLinkText);}}
return this;},ssAdvance:function(){var nextIndex=this.getNextIndex(this.currentIndex);var nextHash=this.data[nextIndex].hash;location.href='#'+nextHash;if($.browser.msie){this.goto(nextIndex);}
return this;},goto:function(index){if(index<0)index=0;else if(index>=this.data.length)index=this.data.length-1;this.currentIndex=index;this.preloadRelocate(index);return this.refresh();},refresh:function(){if(this.$imageContainer){var imageData=this.data[this.currentIndex];var isFading=1;var gallery=this;this.$imageContainer.fadeOut('fast',function(){isFading=0;if(gallery.$controlsContainer){gallery.$controlsContainer.find('div.nav-controls a.prev').attr('href','#'+gallery.data[gallery.getPrevIndex(gallery.currentIndex)].hash).end().find('div.nav-controls a.next').attr('href','#'+gallery.data[gallery.getNextIndex(gallery.currentIndex)].hash);}
if(gallery.$titleContainer){gallery.$titleContainer.empty().html(imageData.title);}
if(gallery.$descContainer){gallery.$descContainer.empty().html(imageData.description);}
if(gallery.$downloadLink){gallery.$downloadLink.attr('href',imageData.original);}
if(imageData.$image){gallery.buildImage(imageData.$image);}});if(this.onFadeOut)this.onFadeOut();if(!imageData.$image){var image=new Image();image.onload=function(){imageData.$image=this;if(!isFading){gallery.buildImage(imageData.$image);}};image.alt=imageData.title;image.src=imageData.slide;}
this.relocatePreload=true;}
return this.syncThumbs();},buildImage:function(image){if(this.$imageContainer){this.$imageContainer.empty();var gallery=this;this.$imageContainer.append('<span class="image-wrapper"><a class="advance-link" rel="history" href="#'+this.data[this.getNextIndex(this.currentIndex)].hash+'" title="'+image.alt+'"></a></span>').find('a').append(image).click(function(){clickHandler(gallery);}).end().fadeIn('fast');if(this.onFadeIn)this.onFadeIn();}
return this;},syncThumbs:function(){if(this.$thumbsContainer){var page=Math.floor(this.currentIndex/this.settings.numThumbs);if(page!=this.currentPage){this.currentPage=page;this.updateThumbs();}else{var selectedThumb=this.currentIndex%this.settings.numThumbs;this.$thumbsContainer.find('ul.thumbs li.selected').removeClass('selected').end().find('ul.thumbs li').eq(selectedThumb).addClass('selected');}}
return this;},updateThumbs:function(){if(this.$thumbsContainer){if(this.currentPage<0)
this.currentPage=0;var startIndex=this.currentPage*this.settings.numThumbs;var stopIndex=startIndex+this.settings.numThumbs-1;if(stopIndex>=this.data.length)
stopIndex=this.data.length-1;var needsPagination=this.data.length>this.settings.numThumbs;this.$thumbsContainer.empty();this.$thumbsContainer.append('<div class="top pagination"></div>');if(needsPagination&&this.settings.enableTopPager){this.buildPager(this.$thumbsContainer.find('div.top'));}
var $ulThumbs=this.$thumbsContainer.append('<ul class="thumbs"></ul>').find('ul.thumbs');for(i=startIndex;i<=stopIndex;i++){var selected='';if(i==this.currentIndex)
selected=' class="selected"';var imageData=this.data[i];$ulThumbs.append('<li'+selected+'><a rel="history" href="#'+imageData.hash+'" title="'+imageData.title+'"><img src="'+imageData.thumb+'" alt="'+imageData.title+'" /></a></li>');}
if(needsPagination&&this.settings.enableBottomPager){this.$thumbsContainer.append('<div class="bottom pagination"></div>');this.buildPager(this.$thumbsContainer.find('div.bottom'));}
var gallery=this;this.$thumbsContainer.find('a[@rel="history"]').click(function(){clickHandler(gallery);});}
return this;},buildPager:function(pager){var startIndex=this.currentPage*this.settings.numThumbs;if(this.currentPage>0){var prevPage=startIndex-this.settings.numThumbs;pager.append('<a rel="history" href="#'+this.data[prevPage].hash+'" title="'+this.settings.prevPageLinkText+'">'+this.settings.prevPageLinkText+'</a>');}
for(i=this.currentPage-3;i<=this.currentPage+3;i++){var pageNum=i+1;if(i==this.currentPage)
pager.append('<strong>'+pageNum+'</strong>');else{var imageIndex=i*this.settings.numThumbs;if(i>=0&&i<this.numPages){pager.append('<a rel="history" href="#'+this.data[imageIndex].hash+'" title="'+pageNum+'">'+pageNum+'</a>');}}}
var nextPage=startIndex+this.settings.numThumbs;if(nextPage<this.data.length){pager.append('<a rel="history" href="#'+this.data[nextPage].hash+'" title="'+this.settings.nextPageLinkText+'">'+this.settings.nextPageLinkText+'</a>');}
return this;}});this.settings=$.extend({},defaults,settings);if(this.interval)
clearInterval(this.interval);this.interval=0;if(this.settings.imageContainerSel)this.$imageContainer=$(this.settings.imageContainerSel);if(this.settings.thumbsContainerSel)this.$thumbsContainer=$(this.settings.thumbsContainerSel);if(this.settings.titleContainerSel)this.$titleContainer=$(this.settings.titleContainerSel);if(this.settings.descContainerSel)this.$descContainer=$(this.settings.descContainerSel);if(this.settings.downloadLinkSel)this.$downloadLink=$(this.settings.downloadLinkSel);this.offset=galleryOffset;if(thumbsContainerSel instanceof Array){this.data=thumbsContainerSel;}else{this.$thumbsContainer=$(thumbsContainerSel);this.buildDataFromThumbs();}
registerGallery(this);this.numPages=Math.ceil(this.data.length/this.settings.numThumbs);this.currentPage=-1;this.currentIndex=0;var gallery=this;if(this.settings.controlsContainerSel){this.$controlsContainer=$(this.settings.controlsContainerSel).empty();if(this.settings.renderSSControls){this.$controlsContainer.append('<div class="ss-controls"><span class="play" title="'+this.settings.playLinkText+'">'+this.settings.playLinkText+'</span></div>').find('div.ss-controls span').click(function(){gallery.toggleSlideshow();});}
if(this.settings.renderNavControls){this.$controlsContainer.append('<div class="nav-controls"><a class="prev" rel="history" title="'+this.settings.prevLinkText+'">'+this.settings.prevLinkText+'</a> || <a class="next" rel="history" title="Next">'+this.settings.nextLinkText+'</a></div>').find('a[@rel="history"]').click(function(){clickHandler(gallery);});}}
historyInit();var hash=getHash();var hashGallery=(hash>=0)?getGallery(hash):0;var gotoIndex=(hashGallery&&this==hashGallery)?(hash-this.offset):0;this.goto(gotoIndex);setTimeout(function(){gallery.preloadInit();},1000);return this;};})(jQuery);