--- a/www/ozwcp/cp.js	2017-07-30 05:19:41.000000000 -0500
+++ b/www/ozwcp/cp.js	2018-02-22 17:14:52.185486298 -0600
@@ -241,7 +241,13 @@
 	    var current = values[j].getAttribute('current');
 	    nodes[id].values[k].value = new Array();
 	    for (var l = 0; l < items.length; l++) {
-	      nodes[id].values[k].value[l] = {item: items[l].firstChild.nodeValue, selected: (current == items[l].firstChild.nodeValue)};
+              var firstChild = items[l].firstChild;
+              var nodeValue;
+              if (firstChild == null)
+                nodeValue = '';
+              else
+                nodeValue = firstChild.nodeValue;
+	      nodes[id].values[k].value[l] = {item: nodeValue, selected: (current == nodeValue)};
 	    }
 	  } else if (values[j].firstChild != null)
 	    nodes[id].values[k].value = values[j].firstChild.nodeValue;