diff --git a/assets/javascripts/app.js b/assets/javascripts/app.js
index 9c40c98..c938804 100644
--- a/assets/javascripts/app.js
+++ b/assets/javascripts/app.js
@@ -3734,4 +3734,16 @@ $(document).ready(function() {
 
     setTimeout(fixDatepickerA11y, 800);
 });
+setTimeout(function() {
+  var lang = document.documentElement.lang;
+  var isZh = lang === 'zh-Hant-TW' || lang === 'zh-Hant' || lang === 'zh_tw';
+  var isEn = lang === 'en';
+
+  var titleText = isZh ? '在本視窗開啟' : isEn ? 'Open in this window' : '';
+
+  if (titleText) {
+    $('.carousel_image a').attr('title', titleText);
+  }
+}, 500);
+
 }(jQuery, window));