From aa0c7a6d654a011f0d17053132e6cf60cbb8262a Mon Sep 17 00:00:00 2001
From: Vincent Vanwaelscappel <vincent@cubedesigners.com>
Date: Mon, 14 Oct 2019 15:26:01 +0200
Subject: [PATCH] fix #3131 @1.5

---
 js/libs/fluidbook/fluidbook.slideshow.js | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/js/libs/fluidbook/fluidbook.slideshow.js b/js/libs/fluidbook/fluidbook.slideshow.js
index 831e12b8..98275837 100644
--- a/js/libs/fluidbook/fluidbook.slideshow.js
+++ b/js/libs/fluidbook/fluidbook.slideshow.js
@@ -11,6 +11,12 @@ FluidbookSlideshow.prototype = {
 
         if ($slideshow.length == 0) return false;
 
+        var openIndex = parseInt($slideshow.attr('data-open-index'));
+        if (isNaN(openIndex)) {
+            openIndex = 1;
+        }
+        openIndex--;
+
 
         // Dynamically add thumbnails from full sized images
         // Images have to load anyway so we can reuse full images for thumbnails
@@ -33,7 +39,10 @@ FluidbookSlideshow.prototype = {
             slideshowParams.asNasFor = '#' + thumbnailsID; // Synced with thumbnails slider
         }
         // Main image slider
-        $slideshow.slick(slideshowParams);
+        var mainSlideshow = $slideshow.slick(slideshowParams);
+        if (openIndex > 0) {
+            $slideshow.slick('slickGoTo', openIndex, true);
+        }
 
         if (showThumbnails) {
             // Thumbnails slider
-- 
2.39.5