function login(){
	var login = $('input_login').value; 
	var mdp = $('input_password').value;
	var valeur = "ajax=1&login="+escape(login)+"&mdp="+escape(mdp);
	var page_desiree = "";
	$('retour_login').style.display='none';
	if($('input_page_desiree').value == '') page_desiree = 'modifier-annonce';
	else page_desiree = $('input_page_desiree').value;
	new Ajax.Updater('retour_login','/ajax/login.php',{
													asynchronous: false,
													method: 'post',
													parameters: valeur,
													onComplete:function(){
														$('retour_login').style.display='';
														if($('retour_login').innerHTML.indexOf('Connexion réussie') != -1)
															window.location.replace('/index.php?page='+page_desiree);
													}
												});	
}

function recupererMdp(){
	var email = $('input_email').value; 
	var valeur = "ajax=1&email="+escape(email);
	$('retour_mdp').style.display='none';
	new Ajax.Updater('retour_mdp','/ajax/recuperer_mdp.php',{
													asynchronous: false,
													method: 'post',
													parameters: valeur,
													onComplete:function(){
														$('retour_mdp').style.display='';
													}
												});	
}