Index: /trunk/roundcubemail/program/steps/mail/compose.inc
===================================================================
--- /trunk/roundcubemail/program/steps/mail/compose.inc	(revision 416)
+++ /trunk/roundcubemail/program/steps/mail/compose.inc	(revision 417)
@@ -151,5 +151,8 @@
     case 'bcc':
       if (!$fname)
+        {
         $fname = '_bcc';
+        $header = 'bcc';
+        }
         
       $allow_attrib = array('id', 'class', 'style', 'cols', 'rows', 'wrap', 'tabindex');
Index: /trunk/roundcubemail/skins/default/templates/compose.html
===================================================================
--- /trunk/roundcubemail/skins/default/templates/compose.html	(revision 416)
+++ /trunk/roundcubemail/skins/default/templates/compose.html	(revision 417)
@@ -136,4 +136,7 @@
 if (cc_field && cc_field.value!='')
   rcmail_toggle_display('compose-cc');
+var bcc_field = document.form._bcc;
+if (bcc_field && bcc_field.value!='')
+  rcmail_toggle_display('compose-bcc');
 
 //-->