integrate geo based map data
diff --git a/web/ons-demo/js/globals.js b/web/ons-demo/js/globals.js
index f0922a6..7681957 100644
--- a/web/ons-demo/js/globals.js
+++ b/web/ons-demo/js/globals.js
@@ -14,9 +14,9 @@
 var modelString;
 
 /***************************************************************************************************
-the svg element for the topology view
+the root element for the topology view
 ***************************************************************************************************/
-var svg;
+var topology;
 
 /***************************************************************************************************
 links that were created in the webui but which have not appeared in the links API response yet