From 65d266f36716d79673cf2d8b7610f3f86464afb5 Mon Sep 17 00:00:00 2001
From: Michael Hackstein <michael@arangodb.com>
Date: Thu, 27 Jun 2013 14:10:23 +0200
Subject: [PATCH] GraphViewer: Added a check for the cursor-following edge when
 connnecting nodes, which did cause a crash in other browsers than FF

---
 html/admin/js/graphViewer/graph/edgeShaper.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/html/admin/js/graphViewer/graph/edgeShaper.js b/html/admin/js/graphViewer/graph/edgeShaper.js
index 1bd0a48fd6..bde1dee2c3 100644
--- a/html/admin/js/graphViewer/graph/edgeShaper.js
+++ b/html/admin/js/graphViewer/graph/edgeShaper.js
@@ -369,8 +369,10 @@ function EdgeShaper(parent, flags, idfunc) {
   };
   
   self.removeCursorFollowingEdge = function() {
-    followEdge.remove();
-    followEdge = {};
+    if (followEdge.remove) {
+      followEdge.remove();
+      followEdge = {};
+    }
   };
 }