--- loncom/interface/lonmsgdisplay.pm	2011/12/28 21:49:54	1.159
+++ loncom/interface/lonmsgdisplay.pm	2012/05/23 12:28:21	1.160
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Routines for messaging display
 #
-# $Id: lonmsgdisplay.pm,v 1.159 2011/12/28 21:49:54 raeburn Exp $
+# $Id: lonmsgdisplay.pm,v 1.160 2012/05/23 12:28:21 goltermann Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1462,9 +1462,12 @@ function courseRecipients() {
                     document.compemail.groupmail.value = document.$formname.groupmail[document.$formname.groupmail.selectedIndex].value;
 |;
                 }
+                #typeof(...forminput.length) returns 'undefined' if only one entry exists
                 $broadcast_js .= qq|
     if (typeof(document.$formname.selectedusers_forminput.length)=="undefined") {
-        document.compemail.courserecips.value += '_&&&_'+document.$formname.selectedusers_forminput.value;
+        if (document.$formname.selectedusers_forminput.checked) {
+            document.compemail.courserecips.value += '_&&&_'+document.$formname.selectedusers_forminput.value;
+        }
     } else {
         for (var i=0; i<document.$formname.selectedusers_forminput.length; i++) {
             if (document.$formname.selectedusers_forminput[i].checked) {