--- loncom/interface/loncreateuser.pm	2017/04/02 04:36:07	1.440
+++ loncom/interface/loncreateuser.pm	2017/07/26 19:42:22	1.441
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Create a user
 #
-# $Id: loncreateuser.pm,v 1.440 2017/04/02 04:36:07 raeburn Exp $
+# $Id: loncreateuser.pm,v 1.441 2017/07/26 19:42:22 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -5829,12 +5829,13 @@ function validate_types(form) {
 }
 
 function check_types(num,countfail,needaction) {
-    var typeidx = getIndexByName('selfenroll_types_'+num);
+    var boxname = 'selfenroll_types_'+num;
+    var typeidx = getIndexByName(boxname);
     var count = 0;
     if (typeidx != -1) {
-        if (document.$formname.elements[typeidx].length) {
-            for (var k=0; k<document.$formname.elements[typeidx].length; k++) {
-                if (document.$formname.elements[typeidx][k].checked) {
+        if (document.$formname.elements[boxname].length) {
+            for (var k=0; k<document.$formname.elements[boxname].length; k++) {
+                if (document.$formname.elements[boxname][k].checked) {
                     count ++;
                 }
             }