function save_quick_newsletter(){
	new Ajax.Updater('conteneur_message', '/newsletter/xhr/quick_newsletter.xhr.php',  { 
											onComplete:function(transport){ if($('MB_overlay')){ Modalbox.resizeToContent(); } },
											parameters: { email: $F('sai_quick_nl'),ctx: $F('ctx_quick_newsletter') } }); 
}