--- loncom/interface/lonhtmlcommon.pm	2017/08/15 23:47:18	1.358.2.11.4.1
+++ loncom/interface/lonhtmlcommon.pm	2020/04/07 18:26:30	1.358.2.11.6.1
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common html routines
 #
-# $Id: lonhtmlcommon.pm,v 1.358.2.11.4.1 2017/08/15 23:47:18 raeburn Exp $
+# $Id: lonhtmlcommon.pm,v 1.358.2.11.6.1 2020/04/07 18:26:30 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1690,7 +1690,7 @@ sub show_return_link {
             (($env{'request.noversionuri'}=~/^\/adm\//) &&
              ($env{'request.noversionuri'}!~/^\/adm\/wrapper\//) &&
              ($env{'request.noversionuri'}!~
-              m{^/adm/.*/(smppg|bulletinboard)($|\?)})
+              m{^/adm/.*/(smppg|bulletinboard|ext\.tool)($|\?)})
            ));
 }
 
@@ -3477,18 +3477,15 @@ sub jump_to_editres {
 # javascript_valid_email
 #
 # Generates javascript to validate an e-mail address.
-# Returns a javascript function which accepts a form field as argument, and
+# Returns a javascript function which accetps a form field as argumnent, and
 # returns false if field.value does not satisfy two regular expression matches
 # for a valid e-mail address.  Backwards compatible with old browsers without
 # support for javascript RegExp (just checks for @ in field.value in this case). 
 
 sub javascript_valid_email {
     my $scripttag .= <<'END';
-function validmail(field,suffix) {
+function validmail(field) {
     var str = field.value;
-    if (suffix != '' && suffix != undefined) {
-        str += suffix;
-    }
     if (window.RegExp) {
         var reg1str = "(@.*@)|(\\.\\.)|(@\\.)|(\\.@)|(^\\.)";
         var reg2str = "^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$"; //"