esconder formulario al iniciar sesion

[aldo1982]

aqui te pongo como lo haria yo, pruebalo y luego me dices

Código PHP:

  <?
if(sesion iniciada) { 
  $formulario="none";
  } else { 
  $formulario="display";
  echo "Bienvenido: ".$usuario;
} 
?> 
 
<span style=" display:<?=$formulario?> "
<form action="Index.php?neosparty=aut_verifica.inc" method="post">
                  <tr>
                    <td width="13" rowspan="5">&nbsp;</td>
                    <td colspan="2">&nbsp;</td>
                  </tr>
                  <tr>
                    <td width="157">
                        <div align="left">
                          Usuario:                                </div></td>
                    <td width="30"><input name="user" type="text" size="20"></td>
                  </tr>
                  <tr>
                    <td>Contrase&ntilde;a:                      </td>
                    <td><input name="pass" type="password" size="20"></td>
                  </tr>
                  <tr>
                    <td colspan="2"><div align="center">
                    <?php
                        include ("aut_mensaje_error.inc.php");
                          // Mostrar error de Autentificación.
                          if (isset($_GET['error_login'])){
                              $error=$_GET['error_login'];
                          echo "<font face='Verdana, Arial, Helvetica, sans-serif' size='1' color='#FF0000'>Error:$error_login_ms[$error]";
                          }
                    ?>
                      <br>
                      <input type=submit name=Submit value="Entrar">
                    </div></td>
                  </tr>
                  <tr>
                    <td colspan="2"><strong><br>
                      <img src="images/sp.jpg" width="35" height="10"> </strong><a href="Index.php?neosparty=registro"> Registrarse</a><br>
                      <strong><img src="images/sp.jpg" width="35" height="10"> Recordar contrase&ntilde;a</strong></td>
                  </tr>
</form>
</span>  

salu2 y espero te sirva