function changeFormAction(destination, nb_par)
{
	if (destination == 'admin_visionner_newsletter.php5')
	{
		document.newsletter.target = "_blank";
	}
	else
	{
		document.newsletter.target = "_parent";
	}
	alert('nb_par : '+nb_par);
	
	document.newsletter.action = destination;
	document.newsletter.submit();
}