TOPIC:

$this->execPieceByName('ff_InitLib');
ff_redirect('http://mysite.com/newpage.html', 'blank');

$this->execPieceByName('ff_InitLib');
echo '
<form name="myresubmit" action="YOUR-TARGET-URL" target="_blank">
     <input type="hidden" name="somefield" 
     value="'.htmlentities( ff_getSubmit('somefield') ).'"/>
     <input type="hidden" name="somefield2" 
     value="'.htmlentities( ff_getSubmit ('somefield2') ).'"/>
     <input type="hidden" name="somefield3" 
     value="'.htmlentities( ff_getSubmit ('somefield3') ).'"/>
     <!-- and so on ... -->
</form>
<script>
     document.myresubmit.submit();
</script>
';
 
exit;