From 215448a1b8edcfa3c14b30c42b1d28c1a70b2194 Mon Sep 17 00:00:00 2001
From: Silvio <silvio@socioambiental.org>
Date: Wed, 27 Jan 2016 12:46:11 -0200
Subject: toggleLayers: variable checks

---
 gmap_arcgis.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gmap_arcgis.js b/gmap_arcgis.js
index e695e9c..dc26742 100644
--- a/gmap_arcgis.js
+++ b/gmap_arcgis.js
@@ -436,11 +436,11 @@ function gmapArcgis(config) {
 
     // Toggle layer visibility
     toggleLayers: function(element) {
-      if (this.config['layers'][element].overlay.setVisible != undefined) {
+      if (this.config['layers'][element].overlay != undefined && this.config['layers'][element].overlay.setVisible != undefined) {
         var changeTo = !this.config['layers'][element].overlay.getVisible();
         this.config['layers'][element].overlay.setVisible(changeTo);
       }
-      else if (this.config['layers'][element].overlay.setOpacity != undefined) {
+      else if (this.config['layers'][element].overlay != undefined && this.config['layers'][element].overlay.setOpacity != undefined) {
         var opacity = this.config['layers'][element].overlay.getOpacity;
 
         if (opacity == 0) {
-- 
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