# filename = displayInMobilePhone.cgi
use Everything;
$chatter = getNode('chatterbox');
$loggedUsers = getNode('other users');
$chatter->makeXML;
$loggedUsers->makeXML;
...other stuff...
use Template;
use XML::Simple;  # or your personal choice
$display = new Template(...);
$xml = new XML::Simple(...);
$chatterDATA = $xml->XMLin($chatter->{XML});
$usersDATA = $xml->XMLin($loggedUsers->{XML});

$display->parse('mobile.template', {chatter => $chatterDATA, users => $usersDATA});
....ta-da done!!!!!