Page d'authentification Patrouille<table border=1><form name="Acces" method="Post" action "principal.php" ENCTYPE="multipart/form-data"><Table width="80%" cellpadding=5 cellspacing=0 border=0>
   <td> user</td><td><input type=text value='' name=user> </td>
   <td> password</td><td><input type=password value='' name=pwd> </td>    </tr>
<tr><td><input type=reset value="Recommencer"></td><td><input type=submit value="Soumettre"></td>