Merged r15853 (#23751).

git-svn-id: http://svn.redmine.org/redmine/branches/3.3-stable@15854 e93f8b46-1217-0410-a6f0-8f06a7374b81

diff --git a/public/javascripts/application.js b/public/javascripts/application.js
index eedeae08b403b2b3ea3247dca923f4be0e966e2c..087d3de594705601147bb8c38facaa5463a1b63d 100644 (file)
--- a/public/javascripts/application.js
+++ b/public/javascripts/application.js
@@ -380,7 +380,7 @@ function displayTabsButtons() {
       }
     });
     var bw = $(el).parents('div.tabs-buttons').outerWidth(true);
-    if ((tabsWidth < el.width() - bw) && (lis.first().is(':visible'))) {
+    if ((tabsWidth < el.width() - bw) && (lis.length === 0 || lis.first().is(':visible'))) {
       el.find('div.tabs-buttons').hide();
     } else {
       el.find('div.tabs-buttons').show().children('button.tab-left').toggleClass('disabled', numHidden == 0);