-<FORM METHOD=POST ACTION="ModifyPeople.html">
-<INPUT TYPE=HIDDEN NAME=id VALUE="<%$Ticket->Id%>">
-<& /Elements/TitleBoxStart, title => loc('Modify people related to ticket #[_1]', $Ticket->Id), width => "100%", color=> "#333399" &>
+<form method="post" action="ModifyPeople.html">
+<input type="hidden" class="hidden" name="id" value="<%$Ticket->Id%>" />
+<& /Elements/Callback, _CallbackName => 'FormStart',ARGSRef =>\%ARGS &>
+<&| /Widgets/TitleBox, title => loc('Modify people related to ticket #[_1]', $Ticket->Id), width => "100%", color=> "#333399" &>