1 files changed, 17 insertions, 4 deletions
diff --git a/gmap_arcgis.js b/gmap_arcgis.js
index 810d04a..e9e4070 100644
--- a/gmap_arcgis.js
+++ b/gmap_arcgis.js
@@ -434,10 +434,23 @@ function gmapArcgis(config) {
 
         this.config['layers'][element].overlay.setOpacity(opacity);
       }
-      else if (this.config['layers'][element].overlay[0] != undefined) {
-        for (i=0; i < this.config['layers'][element].overlay.length; i++) {
-          var changeTo = !this.config['layers'][element].overlay[i].getVisible();
-          this.config['layers'][element].overlay[i].setVisible(changeTo);
+      else if (jQuery.isArray(this.config['layers'][element].overlay)) {
+        for (var i in this.config['layers'][element].overlay) {
+
+          if (this.config['layers'][element].overlay[i].getVisible != undefined) {
+            var changeTo = !this.config['layers'][element].overlay[i].getVisible();
+            this.config['layers'][element].overlay[i].setVisible(changeTo);
+          }
+
+          // Nested layers from showPolygonFromQueryMultiple
+          if (jQuery.isArray(this.config['layers'][element].overlay[i])) {
+            for (var j in this.config['layers'][element].overlay[i]) {
+              if (this.config['layers'][element].overlay[i][j].getVisible != undefined) {
+                var changeTo = !this.config['layers'][element].overlay[i][j].getVisible();
+                this.config['layers'][element].overlay[i][j].setVisible(changeTo);
+              }
+            }
+          }
         }
       }