/* ------------------------------------------------------------------------
        Class: prettyPhoto
        Use: Lightbox clone for jQuery
        Author: Stephane Caron (http://www.no-margin-for-errors.com)
        Version: 2.4.3
------------------------------------------------------------------------- */

var $pp_pic_holder;
var $ppt;

(function($) {
        $.fn.prettyPhoto = function(settings) {
                // global Variables
                var doresize = true;
                var percentBased = false;
                var imagesArray = [];
                var setPosition = 0; /* Position in the set */
                var pp_contentHeight;
                var pp_contentWidth;
                var pp_containerHeight;
                var pp_containerWidth;
                var pp_type = 'image';

                // Global elements
                var $caller;
                var $scrollPos = _getScroll();

                $(window).scroll(function(){ $scrollPos = _getScroll(); _centerPicture(); });
                $(window).resize(function(){ _centerPicture(); _resizeOverlay(); });
                $(document).keypress(function(e){
                        switch(e.keyCode){
                                case 37:
                                        if (setPosition == 1) return;
                                        changePicture('previous');
                                        break;
                                case 39:
                                        if (setPosition == setCount) return;
                                        changePicture('next');
                                        break;
                                case 27:
                                        close();
                                        break;
                        };
            });


                settings = jQuery.extend({
                        animationSpeed: 'normal', /* fast/slow/normal */
                        padding: 40, /* padding for each side of the picture */
                        opacity: 0.80, /* Value between 0 and 1 */
                        showTitle: true, /* true/false */
                        allowresize: true, /* true/false */
                        counter_separator_label: '/', /* The separator for the gallery counter 1 "of" 2 */
                        theme: 'dark_rounded', /* light_rounded / dark_rounded / light_square / dark_square */
                        callback: function(){}
                }, settings);

                // Fallback to a supported theme for IE6
                if($.browser.msie && $.browser.version == 6){
                        settings.theme = "dark_rounded";
                }

                $(this).each(function(){
                        var hasTitle = false;
                        var isSet = false;
                        var setCount = 0; /* Total images in the set */
                        var arrayPosition = 0; /* Total position in the array */

                        imagesArray[imagesArray.length] = this;
                        $(this).bind('click',function(){
                                open(this);
                                return false;
                        });
                });

                function open(el) {
                        $caller = $(el);

                        // 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.
                        isSet = false;
                        setCount = 0;

                        _getFileType();

                        for (i = 0; i < imagesArray.length; i++){
                                if($(imagesArray[i]).attr('rel').indexOf(theGallery) != -1){
                                        setCount++;
                                        if(setCount > 1) isSet = true;

                                        if($(imagesArray[i]).attr('href') == $caller.attr('href')){
                                                setPosition = setCount;
                                                arrayPosition = i;
                                        };
                                };
                        };

                        _buildOverlay();

                        // Display the current position
                        $pp_pic_holder.find('p.currentTextHolder').text(setPosition + settings.counter_separator_label + setCount);

                        // Position the picture in the center of the viewing area
                        _centerPicture();

                        $('#pp_full_res').hide();
                        $pp_pic_holder.find('.pp_loaderIcon').show();
                };

                showimage = function(width,height,containerWidth,containerHeight,contentHeight,contentWidth,resized){
                        $('.pp_loaderIcon').hide();

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

                        $pp_pic_holder.find('.pp_content').animate({'height':contentHeight},settings.animationSpeed);

                        projectedTop = $scrollPos['scrollTop'] + ((windowHeight/2) - (containerHeight/2));
                        if(projectedTop < 0) projectedTop = 0 + $pp_pic_holder.find('.ppt').height();

                        // Resize the holder
                        $pp_pic_holder.animate({
                                'top': projectedTop,
                                'left': ((windowWidth/2) - (containerWidth/2)),
                                'width': containerWidth
                        },settings.animationSpeed,function(){
                                $pp_pic_holder.width(containerWidth);
                                $pp_pic_holder.find('.pp_hoverContainer,#fullResImage').height(height).width(width);

                                // Fade the new image
                                $pp_pic_holder.find('#pp_full_res').fadeIn(settings.animationSpeed,function(){
                                        $(this).find('object,embed').css('visibility','visible');
                                });

                                // Show the nav elements
                                _showContent();

                                // Fade the resizing link if the image is resized
                                if(resized) $('a.pp_expand,a.pp_contract').fadeIn(settings.animationSpeed);
                        });
                };

                function _showContent(){
                        // Show the nav
                        if(isSet && pp_type=="image") { $pp_pic_holder.find('.pp_hoverContainer').fadeIn(settings.animationSpeed); }else{ $pp_pic_holder.find('.pp_hoverContainer').hide(); }
                        $pp_pic_holder.find('.pp_details').fadeIn(settings.animationSpeed);

                        // Show the title
                        if(settings.showTitle && hasTitle){
                                $ppt.css({
                                        'top' : $pp_pic_holder.offset().top - 22,
                                        'right' : $pp_pic_holder.offset().left + (settings.padding/2),
                                        'display' : 'none'
                                });

                                $ppt.fadeIn(settings.animationSpeed);
                        };
                }

                function _hideContent(){
                        // Fade out the current picture
                        $pp_pic_holder.find('.pp_hoverContainer,.pp_details').fadeOut(settings.animationSpeed);
                        $pp_pic_holder.find('#pp_full_res object,#pp_full_res embed').css('visibility','hidden');
                        $pp_pic_holder.find('#pp_full_res').fadeOut(settings.animationSpeed,function(){
                                $('.pp_loaderIcon').show();

                                // Preload the image
                                _preload();
                        });

                        // Hide the title
                        $ppt.fadeOut(settings.animationSpeed);
                }

                function changePicture(direction){
                        if(direction == 'previous') {
                                arrayPosition--;
                                setPosition--;
                        }else{
                                arrayPosition++;
                                setPosition++;
                        };

                        // Allow the resizing of the images
                        if(!doresize) doresize = true;

                        _hideContent();
                        $('a.pp_expand,a.pp_contract').fadeOut(settings.animationSpeed,function(){
                                $(this).removeClass('pp_contract').addClass('pp_expand');
                        });
                };

                function close(){
                        $pp_pic_holder.find('object,embed').css('visibility','hidden');

                        $('div.pp_pic_holder,div.ppt').fadeOut(settings.animationSpeed);

                        $('div.pp_overlay').fadeOut(settings.animationSpeed, function(){
                                $('div.pp_overlay,div.pp_pic_holder,div.ppt').remove();

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

                                settings.callback();
                        });

                        doresize = true;
                };

                function _checkPosition(){
                        // If at the end, hide the next link
                        if(setPosition == setCount) {
                                $pp_pic_holder.find('a.pp_next').css('visibility','hidden');
                                $pp_pic_holder.find('a.pp_arrow_next').addClass('disabled').unbind('click');
                        }else{
                                $pp_pic_holder.find('a.pp_next').css('visibility','visible');
                                $pp_pic_holder.find('a.pp_arrow_next.disabled').removeClass('disabled').bind('click',function(){
                                        changePicture('next');
                                        return false;
                                });
                        };

                        // If at the beginning, hide the previous link
                        if(setPosition == 1) {
                                $pp_pic_holder.find('a.pp_previous').css('visibility','hidden');
                                $pp_pic_holder.find('a.pp_arrow_previous').addClass('disabled').unbind('click');
                        }else{
                                $pp_pic_holder.find('a.pp_previous').css('visibility','visible');
                                $pp_pic_holder.find('a.pp_arrow_previous.disabled').removeClass('disabled').bind('click',function(){
                                        changePicture('previous');
                                        return false;
                                });
                        };

                        // Change the current picture text
                        $pp_pic_holder.find('p.currentTextHolder').text(setPosition + settings.counter_separator_label + setCount);

                        $caller = (isSet) ? $(imagesArray[arrayPosition]) : $caller;
                        _getFileType();

                        if($caller.attr('title')){
                                $pp_pic_holder.find('.pp_description').show().html(unescape($caller.attr('title')));
                        }else{
                                $pp_pic_holder.find('.pp_description').hide().text('');
                        };

                        if($caller.find('img').attr('alt') && settings.showTitle){
                                hasTitle = true;
                                $ppt.html(unescape($caller.find('img').attr('alt')));
                        }else{
                                hasTitle = false;
                        };
                };

                function _fitToViewport(width,height){
                        hasBeenResized = false;

                        _getDimensions(width,height);

                        // Define them in case there's no resize needed
                        imageWidth = width;
                        imageHeight = height;

                        windowHeight = $(window).height();
                        windowWidth = $(window).width();

                        if( ((pp_containerWidth > windowWidth) || (pp_containerHeight > windowHeight)) && doresize && settings.allowresize && !percentBased) {
                                hasBeenResized = true;
                                notFitting = true;

                                while (notFitting){
                                        if((pp_containerWidth > windowWidth)){
                                                imageWidth = (windowWidth - 200);
                                                imageHeight = (height/width) * imageWidth;
                                        }else if((pp_containerHeight > windowHeight)){
                                                imageHeight = (windowHeight - 200);
                                                imageWidth = (width/height) * imageHeight;
                                        }else{
                                                notFitting = false;
                                        };

                                        pp_containerHeight = imageHeight;
                                        pp_containerWidth = imageWidth;
                                };

                                _getDimensions(imageWidth,imageHeight);
                        };

                        return {
                                width:imageWidth,
                                height:imageHeight,
                                containerHeight:pp_containerHeight,
                                containerWidth:pp_containerWidth,
                                contentHeight:pp_contentHeight,
                                contentWidth:pp_contentWidth,
                                resized:hasBeenResized
                        };
                };

                function _getDimensions(width,height){
                        $pp_pic_holder.find('.pp_details').width(width).find('.pp_description').width(width - parseFloat($pp_pic_holder.find('a.pp_close').css('width'))); /* To have the correct height */

                        // Get the container size, to resize the holder to the right dimensions
                        pp_contentHeight = height + $pp_pic_holder.find('.pp_details').height() + parseFloat($pp_pic_holder.find('.pp_details').css('marginTop')) + parseFloat($pp_pic_holder.find('.pp_details').css('marginBottom'));
                        pp_contentWidth = width;
                        pp_containerHeight = pp_contentHeight + $pp_pic_holder.find('.ppt').height() + $pp_pic_holder.find('.pp_top').height() + $pp_pic_holder.find('.pp_bottom').height();
                        pp_containerWidth = width + settings.padding;
                }

                function _getFileType(){
                        if ($caller.attr('href').match(/youtube\.com\/watch/i)) {
                                pp_type = 'youtube';
                        }else if($caller.attr('href').indexOf('.mov') != -1){
                                pp_type = 'quicktime';
                        }else if($caller.attr('href').indexOf('.swf') != -1){
                                pp_type = 'flash';
                        }else if($caller.attr('href').indexOf('iframe') != -1){
                                pp_type = 'iframe'
                        }else{
                                pp_type = 'image';
                        }
                }

                function _centerPicture(){
                        if ($pp_pic_holder){ if($pp_pic_holder.size() == 0){ return; }}else{ return; }; //Make sure the gallery is open

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

                        if(doresize) {
                                $pHeight = $pp_pic_holder.height();
                                $pWidth = $pp_pic_holder.width();
                                $tHeight = $ppt.height();

                                projectedTop = (windowHeight/2) + $scrollPos['scrollTop'] - ($pHeight/2);
                                if(projectedTop < 0) projectedTop = 0 + $tHeight;

                                $pp_pic_holder.css({
                                        'top': projectedTop,
                                        'left': (windowWidth/2) + $scrollPos['scrollLeft'] - ($pWidth/2)
                                });

                                $ppt.css({
                                        'top' : projectedTop - $tHeight,
                                        'left' : (windowWidth/2) + $scrollPos['scrollLeft'] - ($pWidth/2) + (settings.padding/2)
                                });
                        };
                };

                function _preload(){
                        // Hide the next/previous links if on first or last images.
                        _checkPosition();

                        if(pp_type == 'image'){
                                // Set the new image
                                imgPreloader = new Image();

                                // Preload the neighbour images
                                nextImage = new Image();
                                if(isSet && setPosition > setCount) nextImage.src = $(imagesArray[arrayPosition + 1]).attr('href');
                                prevImage = new Image();
                                if(isSet && imagesArray[arrayPosition - 1]) prevImage.src = $(imagesArray[arrayPosition - 1]).attr('href');

                                pp_typeMarkup = '<img id="fullResImage" src="" />';
                                $pp_pic_holder.find('#pp_full_res')[0].innerHTML = pp_typeMarkup;

                                $pp_pic_holder.find('.pp_content').css('overflow','hidden');
                                $pp_pic_holder.find('#fullResImage').attr('src',$caller.attr('href'));

                                imgPreloader.onload = function(){
                                        var correctSizes = _fitToViewport(imgPreloader.width,imgPreloader.height);
                                        imgPreloader.width = correctSizes['width'];
                                        imgPreloader.height = correctSizes['height'];
                                        showimage(imgPreloader.width,imgPreloader.height,correctSizes["containerWidth"],correctSizes["containerHeight"],correctSizes["contentHeight"],correctSizes["contentWidth"],correctSizes["resized"]);
                                };

                                imgPreloader.src = $caller.attr('href');
                        }else{
                                // Get the dimensions
                                movie_width = ( parseFloat(grab_param('width',$caller.attr('href'))) ) ? grab_param('width',$caller.attr('href')) : "425";
                                movie_height = ( parseFloat(grab_param('height',$caller.attr('href'))) ) ? grab_param('height',$caller.attr('href')) : "344";

                                // If the size is % based
                                if(movie_width.indexOf('%') != -1 || movie_height.indexOf('%') != -1){
                                        movie_height = ($(window).height() * parseFloat(movie_height) / 100) - 100;
                                        movie_width = ($(window).width() * parseFloat(movie_width) / 100) - 100;
                                        parsentBased = true;
                                }else{
                                        movie_height = parseFloat(movie_height);
                                        movie_width = parseFloat(movie_width);
                                }

                                if(pp_type == 'quicktime'){ movie_height+=13; }

                                // Fit them to viewport
                                correctSizes = _fitToViewport(movie_width,movie_height);

                                if(pp_type == 'youtube'){
                                        pp_typeMarkup = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="'+correctSizes['width']+'" height="'+correctSizes['height']+'"><param name="allowfullscreen" value="true" /><param name="allowscriptaccess" value="always" /><param name="movie" value="http://www.youtube.com/v/'+grab_param('v',$caller.attr('href'))+'" /><embed src="http://www.youtube.com/v/'+grab_param('v',$caller.attr('href'))+'" type="application/x-shockwave-flash" allowfullscreen="true" allowscriptaccess="always" width="'+correctSizes['width']+'" height="'+correctSizes['height']+'"></embed></object>';
                                }else if(pp_type == 'quicktime'){
                                        pp_typeMarkup = '<object classid="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B" codebase="http://www.apple.com/qtactivex/qtplugin.cab" height="'+correctSizes['height']+'" width="'+correctSizes['width']+'"><param name="src" value="'+$caller.attr('href')+'"><param name="autoplay" value="true"><param name="type" value="video/quicktime"><embed src="'+$caller.attr('href')+'" height="'+correctSizes['height']+'" width="'+correctSizes['width']+'" autoplay="true" type="video/quicktime" pluginspage="http://www.apple.com/quicktime/download/"></embed></object>';
                                }else if(pp_type == 'flash'){
                                        flash_vars = $caller.attr('href');
                                        flash_vars = flash_vars.substring($caller.attr('href').indexOf('flashvars') + 10,$caller.attr('href').length);

                                        filename = $caller.attr('href');
                                        filename = filename.substring(0,filename.indexOf('?'));

                                        pp_typeMarkup = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="'+correctSizes['width']+'" height="'+correctSizes['height']+'"><param name="allowfullscreen" value="true" /><param name="allowscriptaccess" value="always" /><param name="movie" value="'+filename+'?'+flash_vars+'" /><embed src="'+filename+'?'+flash_vars+'" type="application/x-shockwave-flash" allowfullscreen="true" allowscriptaccess="always" width="'+correctSizes['width']+'" height="'+correctSizes['height']+'"></embed></object>';
                                }else if(pp_type == 'iframe'){
                                        movie_url = $caller.attr('href');
                                        movie_url = movie_url.substr(0,movie_url.indexOf('iframe')-1);

                                        pp_typeMarkup = '<iframe src ="'+movie_url+'" width="'+(correctSizes['width']-10)+'" height="'+(correctSizes['height']-10)+'" frameborder="no"></iframe>';
                                }
                                // Append HTML
                                $pp_pic_holder.find('#pp_full_res')[0].innerHTML = pp_typeMarkup;

                                // Show content
                                showimage(correctSizes['width'],correctSizes['height'],correctSizes["containerWidth"],correctSizes["containerHeight"],correctSizes["contentHeight"],correctSizes["contentWidth"],correctSizes["resized"]);
                        }
                };

                function _getScroll(){
                        if (self.pageYOffset) {
                                scrollTop = self.pageYOffset;
                                scrollLeft = self.pageXOffset;
                        } else if (document.documentElement && document.documentElement.scrollTop) {         // Explorer 6 Strict
                                scrollTop = document.documentElement.scrollTop;
                                scrollLeft = document.documentElement.scrollLeft;
                        } else if (document.body) {// all other Explorers
                                scrollTop = document.body.scrollTop;
                                scrollLeft = document.body.scrollLeft;
                        }

                        return {scrollTop:scrollTop,scrollLeft:scrollLeft};
                };

                function _resizeOverlay() {
                        $('div.pp_overlay').css({
                                'height':$(document).height(),
                                'width':$(window).width()
                        });
                };

                function _buildOverlay(){
                        toInject = "";

                        // Build the background overlay div
                        toInject += "<div class='pp_overlay'></div>";

                        // Define the markup to append, depending on the content type.
                        if(pp_type == 'image'){
                                pp_typeMarkup = '<img id="fullResImage" src="" />';
                        }else{
                                pp_typeMarkup = '';
                        }

                        // Basic HTML for the picture holder
                        toInject += '<div class="pp_pic_holder"><div class="pp_top"><div class="pp_left"></div><div class="pp_middle"></div><div class="pp_right"></div></div><div class="pp_content"><a href="#" class="pp_expand" title="Expand the image"></a><div class="pp_loaderIcon"></div><div class="pp_hoverContainer"><a class="pp_next" href="#"></a><a class="pp_previous" href="#"></a></div><div id="pp_full_res">'+ pp_typeMarkup +'</div><div class="pp_details clearfix"><a class="pp_close" href="#"></a><p class="pp_description"></p><div class="pp_nav"><a href="#" class="pp_arrow_previous"></a><p class="currentTextHolder">0'+settings.counter_separator_label+'0</p><a href="#" class="pp_arrow_next"></a></div></div></div><div class="pp_bottom"><div class="pp_left"></div><div class="pp_middle"></div><div class="pp_right"></div></div></div>';

                        // Basic html for the title holder
                        toInject += '<div class="ppt"></div>';

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

                        // Set my global selectors
                        $pp_pic_holder = $('.pp_pic_holder');
                        $ppt = $('.ppt');

                        $('div.pp_overlay').css('height',$(document).height()).bind('click',function(){
                                close();
                        });

                        $pp_pic_holder.css({'opacity': 0}).addClass(settings.theme);

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

                        $('a.pp_expand').bind('click',function(){
                                $this = $(this);

                                // Expand the image
                                if($this.hasClass('pp_expand')){
                                        $this.removeClass('pp_expand').addClass('pp_contract');
                                        doresize = false;
                                }else{
                                        $this.removeClass('pp_contract').addClass('pp_expand');
                                        doresize = true;
                                };

                                _hideContent();

                                $pp_pic_holder.find('.pp_hoverContainer, #pp_full_res, .pp_details').fadeOut(settings.animationSpeed,function(){
                                        _preload();
                                });

                                return false;
                        });

                        $pp_pic_holder.find('.pp_previous, .pp_arrow_previous').bind('click',function(){
                                changePicture('previous');
                                return false;
                        });

                        $pp_pic_holder.find('.pp_next, .pp_arrow_next').bind('click',function(){
                                changePicture('next');
                                return false;
                        });

                        $pp_pic_holder.find('.pp_hoverContainer').css({
                                'margin-left': settings.padding/2
                        });

                        // If it's not a set, hide the links
                        if(!isSet) {
                                $pp_pic_holder.find('.pp_hoverContainer,.pp_nav').hide();
                        };


                        // To fix the bug with IE select boxes
                        if($.browser.msie && $.browser.version == 6){
                                $('body').addClass('ie6');
                                $('select').css('visibility','hidden');
                        };

                        // Then fade it in
                        $('div.pp_overlay').css('opacity',0).fadeTo(settings.animationSpeed,settings.opacity, function(){
                                $pp_pic_holder.css('opacity',0).fadeIn(settings.animationSpeed,function(){
                                        $pp_pic_holder.attr('style','left:'+$pp_pic_holder.css('left')+';top:'+$pp_pic_holder.css('top')+';');
                                        _preload();
                                });
                        });
                };
        };

        function grab_param(name,url){
          name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
          var regexS = "[\\?&]"+name+"=([^&#]*)";
          var regex = new RegExp( regexS );
          var results = regex.exec( url );
          if( results == null )
            return "";
          else
            return results[1];
        }
})(jQuery);