# HG changeset patch
# User Nicholas Jillings <nicholas.jillings@mail.bcu.ac.uk>
# Date 1479388018 0
# Node ID bee11d64db84008ab089b15677b21361fb50b35c
# Parent  acec3c5b74779fafc39e42ab2b043967fd1ddaff
Minor fix to hanging on submissions when using no server or on server errors

diff -r acec3c5b7477 -r bee11d64db84 js/core.js
--- a/js/core.js	Mon Nov 14 15:15:13 2016 +0000
+++ b/js/core.js	Thu Nov 17 13:06:58 2016 +0000
@@ -488,8 +488,8 @@
             } else {
                 var parser = new DOMParser();
                 var xmlDoc = parser.parseFromString(xmlhttp.responseText, "application/xml");
-                var response = xmlDoc.getElementsByTagName('response')[0];
-                if (response.getAttribute("state") == "OK") {
+                var response = xmlDoc.firstElementChild;
+                if (response.nodeName == "response" && response.getAttribute("state") == "OK") {
                     window.onbeforeunload = undefined;
                     var file = response.getElementsByTagName("file")[0];
                     console.log("Save: OK, written " + file.getAttribute("bytes") + "B");