(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('?'));
							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 = 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);