# HG changeset patch
# User Nicholas Jillings <n.g.r.jillings@se14.qmul.ac.uk>
# Date 1515763138 0
# Node ID 6cfb6c49c331c6f89111a12a05d5254e84c4283e
# Parent  6e51b9734eab30676daec8af6c333a4d4e534d33
#262 Better catcher for returnURL undefined in SessionKey

diff -r 6e51b9734eab -r 6cfb6c49c331 js/core.js
--- a/js/core.js	Fri Jan 12 13:17:09 2018 +0000
+++ b/js/core.js	Fri Jan 12 13:18:58 2018 +0000
@@ -3650,6 +3650,11 @@
     };
 
     this.SessionKey = (function (parent) {
+        var returnURL = "";
+        if (window.returnURL !== undefined) {
+            returnURL = String(window.returnURL);
+        }
+
         function postUpdate() {
             // Return a new promise.
             var hold = document.createElement("div");