From 5d1a57cc42a55f45633227e437734af1643720c3 Mon Sep 17 00:00:00 2001
From: mcguffin <joern@flyingletters.com>
Date: Wed, 21 Aug 2013 15:08:48 +0200
Subject: [PATCH 1/2] add option 'skip_duplicates'

---
 js/jquery.prettyPhoto.js | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/js/jquery.prettyPhoto.js b/js/jquery.prettyPhoto.js
index 0436a49..ad64363 100644
--- a/js/jquery.prettyPhoto.js
+++ b/js/jquery.prettyPhoto.js
@@ -34,6 +34,7 @@
 			changepicturecallback: function(){}, /* Called everytime an item is shown/changed */
 			callback: function(){}, /* Called when prettyPhoto is closed */
 			ie6_fallback: true,
+			skip_duplicates:true,
 			markup: '<div class="pp_pic_holder"> \
 						<div class="ppt">&nbsp;</div> \
 						<div class="pp_top"> \
@@ -759,6 +760,9 @@
 			if(isSet && settings.overlay_gallery) {
 				currentGalleryPage = 0;
 				toInject = "";
+				if ( settings.skip_duplicates ) {
+					var image_sources = [];
+				}
 				for (var i=0; i < pp_images.length; i++) {
 					if(!pp_images[i].match(/\b(jpg|jpeg|png|gif)\b/gi)){
 						classname = 'default';
@@ -767,7 +771,12 @@
 						classname = '';
 						img_src = pp_images[i];
 					}
-					toInject += "<li class='"+classname+"'><a href='#'><img src='" + img_src + "' width='50' alt='' /></a></li>";
+					if ( !settings.skip_duplicates || image_sources.indexOf(img_src) == -1 ) {
+						toInject += "<li class='"+classname+"'><a href='#'><img src='" + img_src + "' width='50' alt='' /></a></li>";
+						if ( settings.skip_duplicates ) {
+							image_sources.push(img_src);
+						}
+					}
 				};
 				
 				toInject = settings.gallery_markup.replace(/{gallery}/g,toInject);

From 0184d6c20901c81919ea2330a83838d1e2c37891 Mon Sep 17 00:00:00 2001
From: mcguffin <joern@flyingletters.com>
Date: Tue, 3 Sep 2013 09:41:35 +0200
Subject: [PATCH 2/2] fix image counter.

---
 js/jquery.prettyPhoto.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/js/jquery.prettyPhoto.js b/js/jquery.prettyPhoto.js
index ad64363..494e4a1 100644
--- a/js/jquery.prettyPhoto.js
+++ b/js/jquery.prettyPhoto.js
@@ -189,6 +189,10 @@
 				_build_overlay(event.target); // Build the overlay {this} being the caller
 			}
 			
+			// make array unique
+			if ( settings.skip_duplicates )
+				pp_images = $.grep(pp_images, function(v, k) { return $.inArray(v ,pp_images) === k; });
+				
 			if(settings.hideflash) $('object,embed,iframe[src*=youtube],iframe[src*=vimeo]').css('visibility','hidden'); // Hide the flash
 
 			_checkPosition($(pp_images).size()); // Hide the next/previous links if on first or last images.