(function($){var $$;$$=$.fn.galleria=function($options){if(!$$.hasCSS()){return false;}$.historyInit($$.onPageLoad);var $defaults={insert:'.galleria_container',history:true,clickNext:true,onImage:function(image,caption,thumb){},onThumb:function(thumb){}};var $opts=$.extend($defaults,$options);for(var i in $opts){if(i){$.galleria[i]=$opts[i];}}var _insert=($($opts.insert).is($opts.insert))?$($opts.insert):jQuery(document.createElement('div')).insertBefore(this);var _div=$(document.createElement('div')).addClass('galleria_wrapper');var _span=$(document.createElement('span')).addClass('captionDelete');_insert.addClass('galleria_container').append(_div).append(_span);return this.each(function(){$(this).addClass('galleria');$(this).children('li').each(function(i){var _container=$(this);var _o=$.meta?$.extend({},$opts,_container.data()):$opts;_o.clickNext=$(this).is(':only-child')?false:_o.clickNext;var _a=$(this).find('a').is('a')?$(this).find('a'):false;var _img=$(this).children('img').css('display','none');var _src=_a?_a.attr('href'):_img.attr('src');var _title=_a?_a.attr('title'):_img.attr('title');var _loader=new Image();if(_o.history&&(window.location.hash&&window.location.hash.replace(/\#/,'')==_src)){_container.siblings('.active').removeClass('active');_container.addClass('active');}$(_loader).load(function(){$(this).attr('alt',_img.attr('alt'));var _thumb=_a?_a.find('img').addClass('thumb noscale').css('display','none'):_img.clone(true).addClass('thumb').css('display','none');if(_a){_a.replaceWith(_thumb);}if(!_thumb.hasClass('noscale')){var w=Math.ceil(_img.width()/_img.height()*_container.height());var h=Math.ceil(_img.height()/_img.width()*_container.width());if(w<h){_thumb.css({height:'auto',width:_container.width(),marginTop:-(h-_container.height())/2});}else{_thumb.css({width:'auto',height:_container.height(),marginLeft:-(w-_container.width())/2});}}else{window.setTimeout(function(){_thumb.css({marginLeft:-(_thumb.width()-_container.width())/2,marginTop:-(_thumb.height()-_container.height())/2});},1);}_thumb.attr('rel',_src);_thumb.attr('title',_title);_thumb.click(function(){$.galleria.activate(_src);});_thumb.hover(function(){$(this).addClass('hover');},function(){$(this).removeClass('hover');});_container.hover(function(){_container.addClass('hover');},function(){_container.removeClass('hover');});_container.prepend(_thumb);_thumb.css('display','block');_o.onThumb(jQuery(_thumb));if(_container.hasClass('active')){$.galleria.activate(_src);}_img.remove();}).error(function(){_container.html('<span class="error" style="color:red">Error loading image: '+_src+'</span>');}).attr('src',_src);});});};$$.nextSelector=function(selector){return $(selector).is(':last-child')?$(selector).siblings(':first-child'):$(selector).next();};$$.previousSelector=function(selector){return $(selector).is(':first-child')?$(selector).siblings(':last-child'):$(selector).prev();};$$.hasCSS=function(){$('body').append($(document.createElement('div')).attr('id','css_test').css({width:'1px',height:'1px',display:'none'}));var _v=($('#css_test').width()!=1)?false:true;$('#css_test').remove();return _v;};$$.onPageLoad=function(_src){var _wrapper=$('.galleria_wrapper');var _thumb=$('.galleria img[rel="'+_src+'"]');if(_src){if($.galleria.history){window.location=window.location.href.replace(/\#.*/,'')+'#'+_src;}_thumb.parents('li').siblings('.active').removeClass('active');_thumb.parents('li').addClass('active');var _img=$(new Image()).attr('src',_src).addClass('replaced');_wrapper.empty().append(_img);_wrapper.siblings('.caption').text(_thumb.attr('title'));$.galleria.onImage(_img,_wrapper.siblings('.caption'),_thumb);if($.galleria.clickNext){_img.css('cursor','pointer').click(function(){$.galleria.next();});}}else{_wrapper.siblings().andSelf().empty();$('.galleria li.active').removeClass('active');}$.galleria.current=_src;};$.extend({galleria:{current:'',onImage:function(){},activate:function(_src){if($.galleria.history){$.historyLoad(_src);}else{$$.onPageLoad(_src);}},next:function(){var _next=$($$.nextSelector($('.galleria img[rel="'+$.galleria.current+'"]').parents('li'))).find('img').attr('rel');$.galleria.activate(_next);},prev:function(){var _prev=$($$.previousSelector($('.galleria img[rel="'+$.galleria.current+'"]').parents('li'))).find('img').attr('rel');$.galleria.activate(_prev);}}});})(jQuery);jQuery.extend({
	historyCurrentHash: undefined,
	historyCallback: undefined,
	historyIframeSrc: undefined,
	historyNeedIframe: jQuery.browser.msie && (jQuery.browser.version < 8 || document.documentMode < 8),
	
	historyInit: function(callback, src){
		jQuery.historyCallback = callback;
		if (src) jQuery.historyIframeSrc = src;
		var current_hash = location.hash.replace(/\?.*$/, '');
		
		jQuery.historyCurrentHash = current_hash;
		if (jQuery.historyNeedIframe) {
			// To stop the callback firing twice during initilization if no hash present
			if (jQuery.historyCurrentHash == '') {
				jQuery.historyCurrentHash = '#';
			}
		
			// add hidden iframe for IE
			jQuery("body").prepend('<iframe id="jQuery_history" style="display: none;"'+
				' src="javascript:false;"></iframe>'
			);
			var ihistory = jQuery("#jQuery_history")[0];
			var iframe = ihistory.contentWindow.document;
			iframe.open();
			iframe.close();
			iframe.location.hash = current_hash;
		}
		else if (jQuery.browser.safari) {
			// etablish back/forward stacks
			jQuery.historyBackStack = [];
			jQuery.historyBackStack.length = history.length;
			jQuery.historyForwardStack = [];
			jQuery.lastHistoryLength = history.length;
			
			jQuery.isFirst = true;
		}
		if(current_hash)
			jQuery.historyCallback(current_hash.replace(/^#/, ''));
		setInterval(jQuery.historyCheck, 100);
	},
	
	historyAddHistory: function(hash) {
		// This makes the looping function do something
		jQuery.historyBackStack.push(hash);
		
		jQuery.historyForwardStack.length = 0; // clear forwardStack (true click occured)
		this.isFirst = true;
	},
	
	historyCheck: function(){
		if (jQuery.historyNeedIframe) {
			// On IE, check for location.hash of iframe
			var ihistory = jQuery("#jQuery_history")[0];
			var iframe = ihistory.contentDocument || ihistory.contentWindow.document;
			var current_hash = iframe.location.hash.replace(/\?.*$/, '');
			if(current_hash != jQuery.historyCurrentHash) {
			
				location.hash = current_hash;
				jQuery.historyCurrentHash = current_hash;
				jQuery.historyCallback(current_hash.replace(/^#/, ''));
				
			}
		} else if (jQuery.browser.safari) {
			if(jQuery.lastHistoryLength == history.length && jQuery.historyBackStack.length > jQuery.lastHistoryLength) {
				jQuery.historyBackStack.shift();
			}
			if (!jQuery.dontCheck) {
				var historyDelta = history.length - jQuery.historyBackStack.length;
				jQuery.lastHistoryLength = history.length;
				
				if (historyDelta) { // back or forward button has been pushed
					jQuery.isFirst = false;
					if (historyDelta < 0) { // back button has been pushed
						// move items to forward stack
						for (var i = 0; i < Math.abs(historyDelta); i++) jQuery.historyForwardStack.unshift(jQuery.historyBackStack.pop());
					} else { // forward button has been pushed
						// move items to back stack
						for (var i = 0; i < historyDelta; i++) jQuery.historyBackStack.push(jQuery.historyForwardStack.shift());
					}
					var cachedHash = jQuery.historyBackStack[jQuery.historyBackStack.length - 1];
					if (cachedHash != undefined) {
						jQuery.historyCurrentHash = location.hash.replace(/\?.*$/, '');
						jQuery.historyCallback(cachedHash);
					}
				} else if (jQuery.historyBackStack[jQuery.historyBackStack.length - 1] == undefined && !jQuery.isFirst) {
					// back button has been pushed to beginning and URL already pointed to hash (e.g. a bookmark)
					// document.URL doesn't change in Safari
					if (location.hash) {
						var current_hash = location.hash;
						jQuery.historyCallback(location.hash.replace(/^#/, ''));
					} else {
						var current_hash = '';
						jQuery.historyCallback('');
					}
					jQuery.isFirst = true;
				}
			}
		} else {
			// otherwise, check for location.hash
			var current_hash = location.hash.replace(/\?.*$/, '');
			if(current_hash != jQuery.historyCurrentHash) {
				jQuery.historyCurrentHash = current_hash;
				jQuery.historyCallback(current_hash.replace(/^#/, ''));
			}
		}

	},
	historyLoad: function(hash){
		var newhash;
		hash = decodeURIComponent(hash.replace(/\?.*$/, ''));
		
		if (jQuery.browser.safari) {
			newhash = hash;
		}
		else {
			newhash = '#' + hash;
			location.hash = newhash;
		}
		jQuery.historyCurrentHash = newhash;
		
		if (jQuery.historyNeedIframe) {
			var ihistory = jQuery("#jQuery_history")[0];
			var iframe = ihistory.contentWindow.document;
			iframe.open();
			iframe.close();
			iframe.location.hash = newhash;
			jQuery.lastHistoryLength = history.length;
			jQuery.historyCallback(hash);
		}
		else if (jQuery.browser.safari) {
			jQuery.dontCheck = true;
			// Manually keep track of the history values for Safari
			this.historyAddHistory(hash);
			
			// Wait a while before allowing checking so that Safari has time to update the "history" object
			// correctly (otherwise the check loop would detect a false change in hash).
			var fn = function() {jQuery.dontCheck = false;};
			window.setTimeout(fn, 200);
			jQuery.historyCallback(hash);
			// N.B. "location.hash=" must be the last line of code for Safari as execution stops afterwards.
			//      By explicitly using the "location.hash" command (instead of using a variable set to "location.hash") the
			//      URL in the browser and the "history" object are both updated correctly.
			location.hash = newhash;
		}
		else {
		  jQuery.historyCallback(hash);
		}
	}
});