'<frame src="printer_friendly_bottom.php?passed_ent_id='.
urlencode($passed_ent_id) . '&mailbox=' . urlencode($mailbox) .
'&passed_id=' . $passed_id .
'<frame src="printer_friendly_bottom.php?passed_ent_id='.
urlencode($passed_ent_id) . '&mailbox=' . urlencode($mailbox) .
'&passed_id=' . $passed_id .