xhr example check login field form

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
    <head>
        <title>xhr example check login field form</title>
        <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
        <link href="index.css" rel="stylesheet" type="text/css" title="style">
        <script src="xhr.js" type="text/javascript"></script>
    </head>
    <body>

        <form name="formulaire" action="">
            <input type="text" name="login" value="">
            <a href="#" onClick="xhr_call( 'check_login', document.formulaire.login.value, 'msg' );return false;">Vérifier</a>
            <div id="msg"></div>
        </form>
    </body>
</html>