From 4e93202656e471b4aa60f82597e06aa139f4fd02 Mon Sep 17 00:00:00 2001
From: stegh <thomas.stegh@etask.de>
Date: Fri, 22 Jan 2016 14:13:11 +0100
Subject: [PATCH] Fix to make zoom by mousewheel working in Mozilla Firefox and
 Microsoft Internet Explorer / Microsoft Edge

---
 api/Control/PickFlyOrbit.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/api/Control/PickFlyOrbit.js b/api/Control/PickFlyOrbit.js
index 4108a48..31db1ae 100644
--- a/api/Control/PickFlyOrbit.js
+++ b/api/Control/PickFlyOrbit.js
@@ -432,7 +432,7 @@ BIMSURFER.Control.PickFlyOrbit = BIMSURFER.Class(BIMSURFER.Control, {
 	 */
 	mouseWheel: function(e) {
 		var delta = 0;
-		event = e;
+		var event = e;
 		if (event.wheelDelta) {
 			delta = event.wheelDelta / 120;
 			if (window.opera) {