From 22ca4f38d5680518d98be8d061745da1d02b138f Mon Sep 17 00:00:00 2001
From: Alon Levy <alon@pobox.com>
Date: Wed, 3 Dec 2014 16:20:17 +0200
Subject: rz_core: user removal fallout

---
 src/rz_core.js | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/rz_core.js b/src/rz_core.js
index b2643f09..0eeb3b78 100644
--- a/src/rz_core.js
+++ b/src/rz_core.js
@@ -62,11 +62,15 @@ var initDrawingArea = function () {
         }
     }
 
-    var user_id = $('#user_id').text();
-    console.log('found user ID: \'' + user_id + '\'');
-
     graph = new model_graph.Graph();
-    graph.set_user(user);
+
+    var user_id = $('#user_id'),
+        user = user_id.text();
+
+    if (user_id.length > 0) {
+        console.log('found user ID: \'' + user + '\'');
+        graph.set_user(user);
+    }
 
     var el = document.body;
     vis = d3.select(el).append("svg:svg")
-- 
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