--- loncom/homework/inputtags.pm	2003/01/24 22:02:45	1.81
+++ loncom/homework/inputtags.pm	2003/01/24 22:32:08	1.82
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # input  definitons
 #
-# $Id: inputtags.pm,v 1.81 2003/01/24 22:02:45 www Exp $
+# $Id: inputtags.pm,v 1.82 2003/01/24 22:32:08 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -30,6 +30,7 @@
 package Apache::inputtags;
 use HTML::Entities();
 use strict;
+use Apache::loncommon;
 
 BEGIN {
   &Apache::lonxml::register('Apache::inputtags',('textfield','textline'));
@@ -309,13 +310,15 @@ sub decideoutput {
     $message = "Please adjust significant figures.";# you provided %s significant figures";
     $button=1;
   } elsif ($award eq 'UNIT_FAIL') {
-    $message = "Units incorrect."; #Computer reads units as %s";
+    $message = "Units incorrect. ".
+       &Apache::loncommon::help_open_topic('Physical_Units'); #Computer reads units as %s";
     $button=1;
   } elsif ($award eq 'UNIT_NOTNEEDED') {
     $message = "Only a number required.";# Computer reads units of %s";
     $button=1;
   } elsif ($award eq 'NO_UNIT') {
-    $message = "Units required";
+    $message = "Units required".
+       &Apache::loncommon::help_open_topic('Physical_Units');
     $button=1;
   } elsif ($award eq 'BAD_FORMULA') {
     $message = "Unable to understand formula";