/* ------------------------------------------------------------------------

	Class: prettyPhoto

	Use: Lightbox clone for jQuery

	Author: Stephane Caron (http://www.no-margin-for-errors.com)

	Version: 2.1.1

------------------------------------------------------------------------- */



	$(document).ready(function(){

		prettyPhoto.init();

	});



	prettyPhoto = {

		options : {

			'animationSpeed' : 'fast', /* fast/normal/slow */

			'padding' : 40, /* padding for each side of the picture */

			'showTitle' : true

		},

		init : function(){

			// Find all the images to overlay

			prettyPhoto.imagesArray = [];

			$("a[rel^='prettyOverlay'],a[rel^='prettyPhoto']").each(function(){

				prettyPhoto.imagesArray[prettyPhoto.imagesArray.length] = this;

				$(this).bind('click',function(){

					prettyPhoto.open(this); return false;

				});

			});

			

			$(window).scroll(function(){ prettyPhoto.centerPicture(); });

			$(window).resize(function(){ prettyPhoto.centerPicture(); prettyPhoto.resizeOverlay(); })

		},

		open : function(caller) {

			prettyPhoto.caller = caller;

			

			// Find out if the picture is part of a set

			theRel = $(caller).attr('rel');

			galleryRegExp = /\[(?:.*)\]/;

			theGallery = galleryRegExp.exec(theRel);

			

			// Calculate the number of items in the set, and the position of the clicked picture.

			prettyPhoto.setCount = 0; /* Total images in the set */

			prettyPhoto.setPosition = 0; /* Position in the set */

			prettyPhoto.arrayPosition = 0; /* Total position in the array */

			prettyPhoto.isSet = false;

			for (i = 0; i < prettyPhoto.imagesArray.length; i++){

				if($(prettyPhoto.imagesArray[i]).attr('rel').indexOf(theGallery) != -1){

					prettyPhoto.setCount++;

					if(prettyPhoto.setCount > 1) prettyPhoto.isSet = true;



					if($(prettyPhoto.imagesArray[i]).attr('href') == $(caller).attr('href')){

						prettyPhoto.setPosition = prettyPhoto.setCount;

						prettyPhoto.arrayPosition = i;

					};

				};

			};

			

			prettyPhoto.buildOverlay(prettyPhoto.isSet);



			// Display the current position

			$('div.pictureHolder span.currentText').html('<span>' + prettyPhoto.setPosition + '</span>' + '/' + prettyPhoto.setCount);



			// Position the picture in the center of the viewing area

			prettyPhoto.centerPicture();

			

			$('div.pictureHolder #fullResImageContainer').hide();

			$('.loaderIcon').show();



			// Preload the neighbour images

			prettyPhoto.preload();

		},

		next : function(){

			// Change the current position

			prettyPhoto.arrayPosition++;

			prettyPhoto.setPosition++;



			// Fade out the current picture

			$('div.pictureHolder #fullResImageContainer').fadeOut(prettyPhoto.options['animationSpeed'],function(){

				$('.loaderIcon').show();

				

				// Preload the neighbour images

				prettyPhoto.preload();

			});

			

			prettyPhoto.hideTitle();

			$('div.pictureHolder .hoverContainer').fadeOut(prettyPhoto.options['animationSpeed']);

			$('div.pictureHolder .details').fadeOut(prettyPhoto.options['animationSpeed'],function(){

				prettyPhoto.checkPosition();

			});

		},

		previous: function(){

			// Change the current position

			prettyPhoto.arrayPosition--;

			prettyPhoto.setPosition--;



			// Fade out the current picture

			$('div.pictureHolder #fullResImageContainer').fadeOut(prettyPhoto.options['animationSpeed'],function(){

				$('.loaderIcon').show();

				

				// Preload the image

				prettyPhoto.preload();

			});



			prettyPhoto.hideTitle();

			$('div.pictureHolder .hoverContainer').fadeOut(prettyPhoto.options['animationSpeed']);

			$('div.pictureHolder .details').fadeOut(prettyPhoto.options['animationSpeed'],function(){

				prettyPhoto.checkPosition();

			});

		},

		checkPosition : function(){

			// If at the end, hide the next link

			(prettyPhoto.setPosition == prettyPhoto.setCount) ? $('div.pictureHolder a.next').hide() : $('div.pictureHolder a.next').show();

			

			// If at the beginning, hide the previous link

			(prettyPhoto.setPosition == 1) ? $('div.pictureHolder a.previous').hide() : $('div.pictureHolder a.previous').show();

			

			// Change the current picture text

			$('div.pictureHolder span.currentText span').text(prettyPhoto.setPosition);

			

			if (prettyPhoto.isSet) {

				if($(prettyPhoto.imagesArray[prettyPhoto.arrayPosition]).attr('title')){

					$('div.pictureHolder .description').html(unescape($(prettyPhoto.imagesArray[prettyPhoto.arrayPosition]).attr('title')));

				}else{

					$('div.pictureHolder .description').text('');

				};

				

				if($(prettyPhoto.imagesArray[prettyPhoto.arrayPosition]).find('img').attr('alt') && prettyPhoto.options['showTitle']){

					prettyPhoto.hasTitle = true;

					$('div.prettyPhotoTitle .prettyPhotoTitleContent').html(unescape($(prettyPhoto.imagesArray[prettyPhoto.arrayPosition]).find('img').attr('alt')));

				}else{

					prettyPhoto.hasTitle = false;

				};

			}else{

				if($(prettyPhoto.imagesArray[prettyPhoto.arrayPosition]).attr('title')){

					$('div.pictureHolder .description').html(unescape($(prettyPhoto.caller).attr('title')));

				}else{

					$('div.pictureHolder .description').text('');

				};

				

				if($(prettyPhoto.imagesArray[prettyPhoto.arrayPosition]).find('img').attr('alt') && prettyPhoto.options['showTitle']){

					prettyPhoto.hasTitle = true;

					$('div.prettyPhotoTitle .prettyPhotoTitleContent').html(unescape($(prettyPhoto.caller).find('img').attr('alt')));

				}else{

					prettyPhoto.hasTitle = false;

				};

			};

		},

		centerPicture : function(){

			//Make sure the gallery is open

			if($('div.pictureHolder').size() > 0){

				

				var scrollPos = prettyPhoto.getScroll();

				

				$('div.pictureHolder').css({

					'top': ($(window).height()/2) + scrollPos['scrollTop'] - ($('div.pictureHolder').height()/2),

					'left': ($(window).width()/2) + scrollPos['scrollLeft'] - ($('div.pictureHolder').width()/2)

				});

				

				$('div.prettyPhotoTitle').css({

					'top' : $('div.pictureHolder').offset().top - 22,

					'left' : $('div.pictureHolder').offset().left + (prettyPhoto.options['padding']/2)

				});

			};

		},

		preload : function(){

			// Hide the next/previous links if on first or last images.

			prettyPhoto.checkPosition();

			

			// Set the new image

			imgPreloader = new Image();

			

			// Preload the neighbour images

			nextImage = new Image();

			if(prettyPhoto.isSet) nextImage.src = $(prettyPhoto.imagesArray[prettyPhoto.arrayPosition + 1]).attr('href');

			

			prevImage = new Image();

			if(prettyPhoto.isSet && prettyPhoto.imagesArray[prettyPhoto.arrayPosition - 1]) prevImage.src = $(prettyPhoto.imagesArray[prettyPhoto.arrayPosition - 1]).attr('href');



			$('div.pictureHolder .content').css('overflow','hidden');

			

			(prettyPhoto.isSet) ? $('div.pictureHolder #fullResImage').attr('src',$(prettyPhoto.imagesArray[prettyPhoto.arrayPosition]).attr('href')) : $('div.pictureHolder #fullResImage').attr('src',$(prettyPhoto.caller).attr('href'));



			imgPreloader.onload = function(){

				var correctSizes = prettyPhoto.resize(imgPreloader.width,imgPreloader.height);

				imgPreloader.width = correctSizes['width'];

				imgPreloader.height = correctSizes['height'];

				

				// Need that small delay for the anim to be nice

				setTimeout('prettyPhoto.showimage(imgPreloader.width,imgPreloader.height,'+correctSizes["containerWidth"]+','+correctSizes["containerHeight"]+','+correctSizes["contentWidth"]+')',500);

			};

			

			(prettyPhoto.isSet) ? imgPreloader.src = $(prettyPhoto.imagesArray[prettyPhoto.arrayPosition]).attr('href') : imgPreloader.src = $(prettyPhoto.caller).attr('href');

		},

		showimage : function(width,height,containerWidth,containerHeight,contentWidth){

			$('.loaderIcon').hide();

			

			$('div.pictureHolder .content').animate({'height':contentHeight},prettyPhoto.options['animationSpeed']);



			var scrollPos = prettyPhoto.getScroll();



			// Resize the holder

			$('div.pictureHolder').animate({

				'top': scrollPos['scrollTop'] + (($(window).height()/2) - (containerHeight/2)),

				'left': (($(window).width()/2) - (containerWidth/2)),

				'width':containerWidth

			},prettyPhoto.options['animationSpeed'],function(){

				$('#fullResImage').attr({

					'width':width,

					'height':height

				});



				// Show the nav elements

				prettyPhoto.shownav();



				$('div.pictureHolder .hoverContainer').height(height).width(width);



				// Fade the new image

				$('div.pictureHolder #fullResImageContainer').fadeIn(prettyPhoto.options['animationSpeed']);

			});	

		},

		shownav : function(){

			if(prettyPhoto.isSet) $('div.pictureHolder .hoverContainer').fadeIn(prettyPhoto.options['animationSpeed']);

			$('div.pictureHolder .details').fadeIn(prettyPhoto.options['animationSpeed']);



			prettyPhoto.showTitle();

		},

		showTitle : function(){

			if(prettyPhoto.options['showTitle'] && prettyPhoto.hasTitle){

				$('div.prettyPhotoTitle').css({

					'top' : $('div.pictureHolder').offset().top,

					'left' : $('div.pictureHolder').offset().left + (prettyPhoto.options['padding']/2),

					'display' : 'block'

				});

				

				$('div.prettyPhotoTitle div.prettyPhotoTitleContent').css('width','auto');

				

				if($('div.prettyPhotoTitle').width() > $('div.pictureHolder').width()){

					$('div.prettyPhotoTitle div.prettyPhotoTitleContent').css('width',$('div.pictureHolder').width() - (prettyPhoto.options['padding'] * 2));

				}else{

					$('div.prettyPhotoTitle div.prettyPhotoTitleContent').css('width','');

				};

				

				$('div.prettyPhotoTitle').animate({'top':($('div.pictureHolder').offset().top - 22)},prettyPhoto.options['animationSpeed']);

			};

		},

		hideTitle : function() {

			$('div.prettyPhotoTitle').animate({'top':($('div.pictureHolder').offset().top)},prettyPhoto.options['animationSpeed'],function() { $(this).css('display','none'); });

		},

		buildOverlay : function(){

			

			// Build the background overlay div

			backgroundDiv = "<div class='prettyPhotoOverlay'></div>";

 			$('body').append(backgroundDiv);

			$('div.prettyPhotoOverlay').css('height',$(document).height());

			$('.prettyPhotoOverlay').bind('click',function(){

				prettyPhoto.close();

			});

			

			// Basic HTML for the picture holder

			pictureHolder = '<div class="pictureHolder"><div class="top"><div class="left"></div><div class="middle"></div><div class="right"></div></div><div class="content"><div class="loaderIcon"></div><div class="hoverContainer"><a class="next" href="#">next</a><a class="previous" href="#">previous</a></div><div id="fullResImageContainer"><img id="fullResImage" src="" /></div><div class="details clearfix"><a class="close" href="#">Close</a><p class="description"></p><p class="currentTextHolder"><span class="currentText"><span>0</span>/<span class="total">0</span></span></p></div></div><div class="bottom"><div class="left"></div><div class="middle"></div><div class="right"></div></div></div>';

			

			// Basic html for the title holder

			titleHolder = '<div class="prettyPhotoTitle"><div class="prettyPhotoTitleLeft"></div><div class="prettyPhotoTitleContent"></div><div class="prettyPhotoTitleRight"></div></div>';



			$('body').append(pictureHolder).append(titleHolder);



			$('.pictureHolder,.titleHolder').css({'opacity': 0});

			$('a.close').bind('click',function(){ prettyPhoto.close(); return false; });

			

			$('.pictureHolder .previous').bind('click',function(){

				prettyPhoto.previous();

				return false;

			});

			

			$('.pictureHolder .next').bind('click',function(){

				prettyPhoto.next();

				return false;

			});



			$('.hoverContainer').css({

				'margin-left':prettyPhoto.options['padding']/2,

				'margin-right':prettyPhoto.options['padding']/2

			});

			

			// If it's not a set, hide the links

			if(!prettyPhoto.isSet) {

				$('.hoverContainer').hide();

				$('.currentTextHolder').hide();

			};



			// Then fade it in

			$('div.prettyPhotoOverlay').css('opacity',0);

			$('div.prettyPhotoOverlay').fadeTo(prettyPhoto.options['animationSpeed'],0.35, function(){

				$('div.pictureHolder').fadeTo(prettyPhoto.options['animationSpeed'],1,function(){

					// To fix an IE bug

					$('div.pictureHolder').attr('style','left:'+$('div.pictureHolder').css('left')+';top:'+$('div.pictureHolder').css('top')+';');

				});

			});

		},

		resize : function(width,height){

			$('div.pictureHolder .details').width(width); /* To have the correct height */

			$('div.pictureHolder .details p.description').width(width - parseFloat($('div.pictureHolder a.close').css('width'))); /* So it doesn't overlap the button */

			

			// Get the container size, to resize the holder to the right dimensions

			contentHeight = parseFloat($('div.pictureHolder .details').height()) + parseFloat($('div.pictureHolder .details').css('margin-top')) + parseFloat($('div.pictureHolder .details').css('margin-bottom'));

			containerHeight = contentHeight + parseFloat($('div.pictureHolder .top').height()) + parseFloat($('div.pictureHolder .bottom').height());

			containerWidth = parseFloat($('div.pictureHolder .content').css("padding-left")) + parseFloat($('div.pictureHolder .content').css("padding-right")) + prettyPhoto.options['padding'];

			

			var newWidth = width;

			var newHeight = height;

			

			// If there's a title, take it into consideration unpon resizing

			if(prettyPhoto.options['showTitle']) containerHeight -= 22;

			

			if((containerWidth + width) > $(window).width() || (containerHeight + height) > $(window).height()) {

				// Get the original geometry and calculate scales

				var xscale=(width+containerWidth + 100)/$(window).width();

				var yscale=(height+containerHeight + 100)/$(window).height();

			

				// Recalculate new size with default ratio

				if (yscale>xscale){

					newWidth = Math.round(width * (1/yscale));

					newHeight = Math.round(height * (1/yscale));

				} else {

					newWidth = Math.round(width * (1/xscale));

					newHeight = Math.round(height * (1/xscale));

				};

			};



			// Get the container size, to resize the holder to the right dimensions

			containerHeight += newHeight;

			contentHeight += newHeight;

			containerWidth += newWidth;

		

			$('div.pictureHolder .details').width(newWidth); /* To have the correct height */

			$('div.pictureHolder .details p.description').width(newWidth - parseFloat($('div.pictureHolder a.close').css('width'))); /* So it doesn't overlap the button */



			return {

				width:newWidth,

				height:newHeight,

				containerHeight:containerHeight,

				containerWidth:containerWidth,

				contentHeight:contentHeight

			};

		},

		resizeOverlay : function() {

			$('div.prettyPhotoOverlay').css({

				'height':$(document).height(),

				'width':$(window).width()

			});

		},

		getScroll : function(){

			scrollTop = window.pageYOffset || document.documentElement.scrollTop || 0;

			scrollLeft = window.pageXOffset || document.documentElement.scrollLeft || 0;

			return {scrollTop:scrollTop,scrollLeft:scrollLeft};

		},

		close : function(){

			$('div.pictureHolder,div.prettyPhotoTitle').fadeTo(prettyPhoto.options['animationSpeed'],0, function(){

				$('div.prettyPhotoOverlay').fadeTo(prettyPhoto.options['animationSpeed'],0, function(){

					$('div.prettyPhotoOverlay').remove();

					$('div.pictureHolder').remove();

				});

			});

		}

	}