(function ($) {
    $.prettyPhoto = {
        version: '2.5.4'
    };
    $.fn.prettyPhoto = function (settings) {
        settings = jQuery.extend({
            animationSpeed: 'normal',
            padding: 30,
            opacity: 0.80,
            showTitle: true,
            allowresize: true,
            counter_separator_label: '/',
            theme: 'light_rounded',
            hideflash: false,
            modal: false,
            changepicturecallback: function () { },
            callback: function () { }
        },
		settings);
        if ($.browser.msie && $.browser.version == 6) {
            settings.theme = "light_square";
        }
        if ($('.pp_overlay').size() == 0) {
            _buildOverlay();
        } else {
            $pp_pic_holder = $('.pp_pic_holder');
            $ppt = $('.ppt');
        }
        var doresize = true,
			percentBased = false,
			correctSizes, $pp_pic_holder, $ppt, pp_contentHeight, pp_contentWidth, pp_containerHeight, pp_containerWidth, pp_type = 'image',
			setPosition = 0,
			$scrollPos = _getScroll();
        $(window).scroll(function () {
            $scrollPos = _getScroll();
            _centerOverlay();
            _resizeOverlay();
        });
        $(window).resize(function () {
            _centerOverlay();
            _resizeOverlay();
        });
        $(document).keydown(function (e) {
            if ($pp_pic_holder.is(':visible')) switch (e.keyCode) {
                case 37:
                    $.prettyPhoto.changePage('previous');
                    break;
                case 39:
                    $.prettyPhoto.changePage('next');
                    break;
                case 27:
                    if (!settings.modal) $.prettyPhoto.close();
                    break;
            };
        });
        $(this).each(function () {
            $(this).bind('click', function () {
                link = this;
                theRel = $(this).attr('rel');
                galleryRegExp = /\[(?:.*)\]/;
                theGallery = galleryRegExp.exec(theRel);
                var images = new Array(),
					titles = new Array(),
					descriptions = new Array();
                if (theGallery) {
                    $('a[rel*=' + theGallery + ']').each(function (i) {
                        if ($(this)[0] === $(link)[0]) setPosition = i;
                        images.push($(this).attr('href'));
                        titles.push($(this).find('img').attr('alt'));
                        descriptions.push($(this).attr('title'));
                    });
                } else {
                    images = $(this).attr('href');
                    titles = ($(this).find('img').attr('alt')) ? $(this).find('img').attr('alt') : '';
                    descriptions = ($(this).attr('title')) ? $(this).attr('title') : '';
                }
                $.prettyPhoto.open(images, titles, descriptions);
                return false;
            });
        });
        $.prettyPhoto.open = function (gallery_images, gallery_titles, gallery_descriptions) {
            if ($.browser.msie && $.browser.version == 6) {
                $('select').css('visibility', 'hidden');
            };
            if (settings.hideflash) $('object,embed').css('visibility', 'hidden');
            images = $.makeArray(gallery_images);
            titles = $.makeArray(gallery_titles);
            descriptions = $.makeArray(gallery_descriptions);
            if ($('.pp_overlay').size() == 0) {
                _buildOverlay();
            } else {
                $pp_pic_holder = $('.pp_pic_holder');
                $ppt = $('.ppt');
            }
            $pp_pic_holder.attr('class', 'pp_pic_holder ' + settings.theme);
            isSet = ($(images).size() > 0) ? true : false;
            _getFileType(images[setPosition]);
            _centerOverlay();
            _checkPosition($(images).size());
            $('.pp_loaderIcon').show();
            $('div.pp_overlay').show().fadeTo(settings.animationSpeed, settings.opacity, function () {
                $pp_pic_holder.fadeIn(settings.animationSpeed, function () {
                    $pp_pic_holder.find('p.currentTextHolder').text((setPosition + 1) + settings.counter_separator_label + $(images).size());
                    if (descriptions[setPosition]) {
                        $pp_pic_holder.find('.pp_description').show().html(unescape(descriptions[setPosition]));
                    } else {
                        $pp_pic_holder.find('.pp_description').hide().text('');
                    };
                    if (titles[setPosition] && settings.showTitle) {
                        hasTitle = true;
                        $ppt.html(unescape(titles[setPosition]));
                    } else {
                        hasTitle = false;
                    };
                    if (pp_type == 'image') {
                        imgPreloader = new Image();
                        nextImage = new Image();
                        if (isSet && setPosition > $(images).size()) nextImage.src = images[setPosition + 1];
                        prevImage = new Image();
                        if (isSet && images[setPosition - 1]) prevImage.src = images[setPosition - 1];
                        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');
                        $pp_pic_holder.find('#fullResImage').attr('src', images[setPosition]);
                        imgPreloader.onload = function () {
                            correctSizes = _fitToViewport(imgPreloader.width, imgPreloader.height);
                            _showContent();
                        };
                        imgPreloader.src = images[setPosition];
                    } else {
                        movie_width = (parseFloat(grab_param('width', images[setPosition]))) ? grab_param('width', images[setPosition]) : "425";
                        movie_height = (parseFloat(grab_param('height', images[setPosition]))) ? grab_param('height', images[setPosition]) : "344";
                        if (movie_width.indexOf('%') != -1 || movie_height.indexOf('%') != -1) {
                            movie_height = ($(window).height() * parseFloat(movie_height) / 100) - 100;
                            movie_width = ($(window).width() * parseFloat(movie_width) / 100) - 100;
                            percentBased = true;
                        }
                        movie_height = parseFloat(movie_height);
                        movie_width = parseFloat(movie_width);
                        if (pp_type == 'quicktime') movie_height += 15;
                        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', images[setPosition]) + '" /><embed src="http://www.youtube.com/v/' + grab_param('v', images[setPosition]) + '" 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="' + images[setPosition] + '"><param name="autoplay" value="true"><param name="type" value="video/quicktime"><embed src="' + images[setPosition] + '" 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 = images[setPosition];
                            flash_vars = flash_vars.substring(images[setPosition].indexOf('flashvars') + 10, images[setPosition].length);
                            filename = images[setPosition];
                            filename = filename.substring(0, filename.indexOf('?'));

                            //OLD
                            //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>';
                            
                            var videoURL = flash_vars.substring(flash_vars.indexOf('videoURL=') + 9, flash_vars.length);
                            pp_typeMarkup = '<object height="' + correctSizes['height'] + '" width="' + correctSizes['width'] + '" type="application/x-shockwave-flash" wmode="transparent" data="' + filename + '" style="visibility: visible;">' +
                            '<param name="allowFullScreen" value="true">' +
                            '<param name="allowscriptaccess" value="always">' +
                            '<param name="flashVars" value="autoplay=true&bAllowAutoResize=false&videoURL=' + videoURL + '">' +
                            '</object>';
                        } else if (pp_type == 'iframe') {
                            movie_url = images[setPosition];
                            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>';
                        }
                        _showContent();
                    }
                });
            });
        };
        $.prettyPhoto.changePage = function (direction) {
            if (direction == 'previous') {
                setPosition--;
                if (setPosition < 0) {
                    setPosition = 0;
                    return;
                }
            } else {
                if ($('.pp_arrow_next').is('.disabled')) return;
                setPosition++;
            };
            if (!doresize) doresize = true;
            _hideContent();
            $('a.pp_expand,a.pp_contract').fadeOut(settings.animationSpeed, function () {
                $(this).removeClass('pp_contract').addClass('pp_expand');
                $.prettyPhoto.open(images, titles, descriptions);
            });
        };
        $.prettyPhoto.close = function () {
            $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 () {
                $('div.pp_overlay,div.pp_pic_holder,div.ppt').remove();
                if ($.browser.msie && $.browser.version == 6) {
                    $('select').css('visibility', 'visible');
                };
                if (settings.hideflash) $('object,embed').css('visibility', 'visible');
                setPosition = 0;
                settings.callback();
            });
            doresize = true;
        };
        _showContent = function () {
            $('.pp_loaderIcon').hide();
            if ($.browser.opera) {
                windowHeight = window.innerHeight;
                windowWidth = window.innerWidth;
            } else {
                windowHeight = $(window).height();
                windowWidth = $(window).width();
            };
            projectedTop = $scrollPos['scrollTop'] + ((windowHeight / 2) - (correctSizes['containerHeight'] / 2));
            if (projectedTop < 0) projectedTop = 0 + $pp_pic_holder.find('.ppt').height();
            $pp_pic_holder.find('.pp_content').animate({
                'height': correctSizes['contentHeight']
            },
			settings.animationSpeed);
            $pp_pic_holder.animate({
                'top': projectedTop,
                'left': ((windowWidth / 2) - (correctSizes['containerWidth'] / 2)),
                'width': correctSizes['containerWidth']
            },
			settings.animationSpeed, function () {
			    $pp_pic_holder.width(correctSizes['containerWidth']);
			    $pp_pic_holder.find('.pp_hoverContainer').height(correctSizes['height']).width(correctSizes['width'] + settings.padding);
			    $pp_pic_holder.find('#fullResImage').height(correctSizes['height']).width(correctSizes['width']);
			    $pp_pic_holder.find('#pp_full_res').fadeIn(settings.animationSpeed);
			    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);
			    if (settings.showTitle && hasTitle) {
			        $ppt.css({
			            'top': $pp_pic_holder.offset().top,
			            'left': $pp_pic_holder.offset().left + (settings.padding / 2),
			            'display': 'none'
			        });
			        $ppt.fadeIn(settings.animationSpeed);
			    };
			    if (correctSizes['resized']) $('a.pp_expand,a.pp_contract').fadeIn(settings.animationSpeed);
			    if (pp_type != 'image') $pp_pic_holder.find('#pp_full_res')[0].innerHTML = pp_typeMarkup;
			    settings.changepicturecallback();
			});
        };

        function _hideContent() {
            $pp_pic_holder.find('#pp_full_res object,#pp_full_res embed').css('visibility', 'hidden');
            $pp_pic_holder.find('.pp_hoverContainer,.pp_details').fadeOut(settings.animationSpeed);
            $pp_pic_holder.find('#pp_full_res').fadeOut(settings.animationSpeed, function () {
                $('.pp_loaderIcon').show();
            });
            $ppt.fadeOut(settings.animationSpeed);
        }


        function _checkPosition(setCount) {
            if (setPosition == setCount - 1) {
                $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 () {
                    $.prettyPhoto.changePage('next');
                    return false;
                });
            };
            if (setPosition == 0) {
                $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 () {
                    $.prettyPhoto.changePage('previous');
                    return false;
                });
            };
            if (setCount > 1) {
                $('.pp_nav').show();
            } else {
                $('.pp_nav').hide();
            }
        };

        function _fitToViewport(width, height) {
            hasBeenResized = false;
            _getDimensions(width, height);
            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')));
            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')) + 7);
            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(itemSrc) {
            if (itemSrc.match(/youtube\.com\/watch/i)) {
                pp_type = 'youtube';
            } else if (itemSrc.indexOf('.mov') != -1) {
                pp_type = 'quicktime';
            } else if (itemSrc.indexOf('.swf') != -1) {
                pp_type = 'flash';
            } else if (itemSrc.indexOf('iframe') != -1) {
                pp_type = 'iframe'
            } else {
                pp_type = 'image';
            };
        };

        function _centerOverlay() {
            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 _getScroll() {
            if (self.pageYOffset) {
                scrollTop = self.pageYOffset;
                scrollLeft = self.pageXOffset;
            } else if (document.documentElement && document.documentElement.scrollTop) {
                scrollTop = document.documentElement.scrollTop;
                scrollLeft = document.documentElement.scrollLeft;
            } else if (document.body) {
                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 = "";
            toInject += "<div class='pp_overlay'></div>";
            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"><div class="pp_details clearfix"><a class="pp_close" href="#">Close</a><p class="pp_description description_top"></p></div><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"></div><div class="pp_details clearfix"><p class="pp_description pp_description_bottom"></p></div></div></div>';
            toInject += '<div class="ppt"></div>';
            $('body').append(toInject);
            $('div.pp_overlay').css('opacity', 0);
            $pp_pic_holder = $('.pp_pic_holder');
            $ppt = $('.ppt');
            $('div.pp_overlay').css('height', $(document).height()).hide().bind('click', function () {
                if (!settings.modal) $.prettyPhoto.close();
            });
            $('a.pp_close').bind('click', function () {
                $.prettyPhoto.close();
                return false;
            });
            $('a.pp_expand').bind('click', function () {
                $this = $(this);
                if ($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_details').fadeOut(settings.animationSpeed);
                $pp_pic_holder.find('#pp_full_res').fadeOut(settings.animationSpeed, function () {
                    $.prettyPhoto.open(images, titles, descriptions);
                });
                return false;
            });
            $pp_pic_holder.find('.pp_previous, .pp_arrow_previous').bind('click', function () {
                $.prettyPhoto.changePage('previous');
                return false;
            });
            $pp_pic_holder.find('.pp_next, .pp_arrow_next').bind('click', function () {
                $.prettyPhoto.changePage('next');
                return false;
            });

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

    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);