/* ------------------------------------------------------------------------
    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: 0.30, /* 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: 'light_square', /* 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 = "light_square";
        }
    
        $(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,
                    'left' : $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">Expand</a><div class="pp_loaderIcon"></div><div class="pp_hoverContainer"><a class="pp_next" href="#">next</a><a class="pp_previous" href="#">previous</a></div><div id="pp_full_res">'+ pp_typeMarkup +'</div><div class="pp_details clearfix"><a class="pp_close" href="#">Close</a><p class="pp_description"></p><div class="pp_nav"><a href="#" class="pp_arrow_previous">Previous</a><p class="currentTextHolder">0'+settings.counter_separator_label+'0</p><a href="#" class="pp_arrow_next">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);