From f2b4bc06f633ff99222512b559227e224dd3ae85 Mon Sep 17 00:00:00 2001
From: Henning Leutz <leutz@pcsg.de>
Date: Wed, 20 Dec 2017 17:44:08 +0100
Subject: [PATCH] fix: undefined elm

---
 qui/controls/utils/Background.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/qui/controls/utils/Background.js b/qui/controls/utils/Background.js
index b4f64182..bce24d73 100644
--- a/qui/controls/utils/Background.js
+++ b/qui/controls/utils/Background.js
@@ -31,7 +31,7 @@ define('qui/controls/utils/Background', ['qui/controls/Control'], function (Cont
 
         initialize: function (params) {
             this.parent(params);
-            
+
             this.$FX = null;
         },
 
@@ -140,7 +140,9 @@ define('qui/controls/utils/Background', ['qui/controls/Control'], function (Cont
                 }, {
                     duration: 200,
                     callback: function () {
-                        this.$Elm.setStyle('display', 'none');
+                        if (this.$Elm) {
+                            this.$Elm.setStyle('display', 'none');
+                        }
 
                         if (typeof callback === 'function') {
                             callback();
-- 
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