function valideNewsletter() {

	var container = document.getElementById('newsletter_message');
	
	var mail 			= document.form_newsletter.mail.value;
	var nom 			= document.form_newsletter.nom.value;
	var prenom		= document.form_newsletter.prenom.value;
	var adresse		= document.form_newsletter.adresse.value;
	var cp				= document.form_newsletter.cp.value;
	var ville			= document.form_newsletter.ville.value;
	
	var target			= './newsletter.exe.php';
	
	var params		= '&mail='+ mail +
									'&nom='+ nom +
									'&prenom='+ prenom +
									'&adresse='+ adresse +
									'&cp='+ cp +
									'&ville='+ ville;
	
	new Ajax.Updater(container, target, {method: 'post', parameters : params});
}

function valideUnsubscribeNewsletter() {

	var container = document.getElementById('newsletter_message');
	
	var action		= document.form_newsletter.action.value;
	var mail 			= document.form_newsletter.mail.value;
	
	var target			= './newsletter.exe.php';
	
	var params		= '&action='+ action +
									'&mail='+ mail;
	
	new Ajax.Updater(container, target, {method: 'post', parameters : params});
}