From cdde3b2571bf35fee028c3f0edbde81a395a91fa Mon Sep 17 00:00:00 2001
From: Stephen McDonald <steve@jupo.org>
Date: Wed, 29 Aug 2018 15:25:42 +1000
Subject: [PATCH] Patch ImageOverlay.onRemove to handle null div

---
 arcgislink/src/arcgislink.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/arcgislink/src/arcgislink.js b/arcgislink/src/arcgislink.js
index 3cc0b10a..005d33ea 100644
--- a/arcgislink/src/arcgislink.js
+++ b/arcgislink/src/arcgislink.js
@@ -3739,8 +3739,10 @@ Layer.prototype.queryRelatedRecords = function(qparams, callback, errback) {
     //div.style.height = (sw.y - ne.y) + 'px';
   };
   ImageOverlay.prototype.onRemove = function() {
-    this.div_.parentNode.removeChild(this.div_);
-    this.div_ = null;
+    if (this.div_) {
+      this.div_.parentNode.removeChild(this.div_);
+      this.div_ = null;
+    }
   }
   /**
  * Creates a copyright control