From 5e58327a3f10dd1bfa0ce9fe2d3678e8bbd904b2 Mon Sep 17 00:00:00 2001
From: hristoterezov <hristo@jitsi.org>
Date: Thu, 25 Sep 2014 15:01:18 +0300
Subject: [PATCH] Adds element existence check to avoid JS errors in welcome
 page.

---
 app.js | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/app.js b/app.js
index 8ec96f66a..283546eaa 100644
--- a/app.js
+++ b/app.js
@@ -1138,10 +1138,13 @@ $(document).ready(function () {
         if (interfaceConfig.SHOW_JITSI_WATERMARK) {
             var leftWatermarkDiv
                 = $("#welcome_page_header div[class='watermark leftwatermark']");
+            if(leftWatermarkDiv && leftWatermarkDiv.length > 0)
+            {
+                leftWatermarkDiv.css({display: 'block'});
+                leftWatermarkDiv.parent().get(0).href
+                    = interfaceConfig.JITSI_WATERMARK_LINK;
+            }
 
-            leftWatermarkDiv.css({display: 'block'});
-            leftWatermarkDiv.parent().get(0).href
-                = interfaceConfig.JITSI_WATERMARK_LINK;
         }
 
         if (interfaceConfig.SHOW_BRAND_WATERMARK) {