function validate() { var container = document.getElementById('message'); var nom = document.getElementById('nom').value; var email = document.getElementById('email').value; var tel = document.getElementById('tel').value; var msg = document.getElementById('msg').value; var target = './contact.exe.php'; var params = '&action=validate' + '&nom='+ nom + '&email='+ email + '&tel='+ tel + '&msg='+ msg; new Ajax.Updater(container, target, {method: 'post', parameters : params, evalScripts : true}); } window.onload = function(e){ document.getElementById('clic_validate').onclick = function (e){ validate(); return false; } }