From a21fa94f1421bf25c9dc83f933a9140441fe0048 Mon Sep 17 00:00:00 2001
From: Zander Otavka <zotavka@gmail.com>
Date: Tue, 4 Aug 2015 15:06:12 -0700
Subject: [PATCH] Fix error in floatingUIExample.js.

Script would crash if the user left clicked somewhere not on an overlay.
---
 examples/example/ui/floatingUIExample.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/examples/example/ui/floatingUIExample.js b/examples/example/ui/floatingUIExample.js
index d661890254..7270a5a13f 100644
--- a/examples/example/ui/floatingUIExample.js
+++ b/examples/example/ui/floatingUIExample.js
@@ -170,10 +170,10 @@ function onMouseDown(event) {
 function onMouseUp(event) {
     if (event.isLeftButton) {
         var overlay = OverlayManager.findAtPoint({ x: event.x, y: event.y });
-        if (overlay === mouseDown.overlay) {
+        if (overlay && overlay === mouseDown.overlay) {
             if (overlay.attachedPanel === bluePanel) {
                 overlay.destroy();
-            } else if (overlay) {
+            } else {
                 var oldPos = overlay.offsetPosition;
                 var newPos = {
                     x: Number(oldPos.x),