/* ------------------------------------------------------------------------
    Class: prettyPhoto
    Use: Lightbox clone for jQuery
    Author: Stephane Caron (http://www.no-margin-for-errors.com)
    Version: 2.1.3
------------------------------------------------------------------------- */

    $(document).ready(function(){
        prettyPhoto.init();
    });

    prettyPhoto = {
        options : {
            'animationSpeed' : 'fast', /* fast/normal/slow */
            'padding' : 40, /* padding for each side of the picture */
            'opacity' : 0.35, /* Value betwee 0 and 1 */
            '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();
                
                if($.browser.opera) {
                    windowHeight = window.innerHeight;
                    windowWidth = window.innerWidth;
                }else{
                    windowHeight = $(window).height();
                    windowWidth = $(window).width();
                };
                
                $('div.pictureHolder').css({
                    'top': (windowHeight/2) + scrollPos['scrollTop'] - ($('div.pictureHolder').height()/2),
                    'left': (windowWidth/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();

            if($.browser.opera) {
                windowHeight = window.innerHeight;
                windowWidth = window.innerWidth;
            }else{
                windowHeight = $(window).height();
                windowWidth = $(window).width();
            };

            // Resize the holder
            $('div.pictureHolder').animate({
                'top': scrollPos['scrollTop'] + ((windowHeight/2) - (containerHeight/2)),
                'left': ((windowWidth/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();
            };


            // To fix the bug with IE select boxes
            if($.browser.msie && $.browser.version == 6){
                $('select').css('visibility','hidden');
            };

            // Then fade it in
            $('div.prettyPhotoOverlay').css('opacity',0);
            $('div.prettyPhotoOverlay').fadeTo(prettyPhoto.options['animationSpeed'],prettyPhoto.options['opacity'], 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($.browser.opera) {
                windowHeight = window.innerHeight;
                windowWidth = window.innerWidth;
            }else{
                windowHeight = $(window).height();
                windowWidth = $(window).width();
            };
            
            if((containerWidth + width) > windowWidth || (containerHeight + height) > windowHeight) {
                // Get the original geometry and calculate scales
                var xscale=(width+containerWidth + 100)/windowWidth;
                var yscale=(height+containerHeight + 100)/windowHeight;
            
                // 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();
                    
                    // To fix the bug with IE select boxes
                    if($.browser.msie && $.browser.version == 6){
                        $('select').css('visibility','visible');
                    };
                });
            });
        }
    }