From 4a4c7cd36d9f6899b37b6d749d4af626cf133e21 Mon Sep 17 00:00:00 2001
From: Radek Czajka <radoslaw.czajka@nowoczesnapolska.org.pl>
Date: Wed, 19 Jun 2013 14:55:30 +0200
Subject: [PATCH] fixes #2581: Hide themes from menu if no themes.

---
 apps/wolnelektury_core/static/js/book.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/apps/wolnelektury_core/static/js/book.js b/apps/wolnelektury_core/static/js/book.js
index 335fe39c0..72d8174fc 100644
--- a/apps/wolnelektury_core/static/js/book.js
+++ b/apps/wolnelektury_core/static/js/book.js
@@ -19,6 +19,9 @@ $(function() {
     if ($('#toc li').length == 0) {
         $('#menu li a[href="#toc"]').remove();
     }
+    if ($('#themes li').length == 0) {
+        $('#menu li a[href="#themes"]').remove();
+    }
     if ($('#nota_red').length == 0) {
         $('#menu li a[href="#nota_red"]').remove();
     }
-- 
2.20.1