Form variable to PHP script problems

Hello ! I´m developing a dinamic site and I started to use PHP, MySQL and Apache. The things are going well, I´m already using database, inserting, everything .... But when I try to pass some variables from a Form to a PHP isn´t working ! Somebody could help me ? Here is my code ..... HTML <html> <p align="center"><font face="Arial Black" size="5">Banco de Dados Cesop</font></p> <p align="center">&nbsp;</p> <form action="validaUsuario.php" method="post" > <p align="center">Usuário:&nbsp; <input type="text" NAME="nome" size="20"></p> <p align="center">Senha:&nbsp;&nbsp;&nbsp;&nbsp; <input type="password" NAME="senha" size="20"></p> <p align="center"><input type="submit" value="Submeter" name="B1"></p> </form> </body> </html> PHP <? $connection = mysql_connect("localhost", "renato", "ren9ato8") or die ("Unable to connect to server."); $db = mysql_select_db("cesop", $connection) or die ("Unable to select database."); echo $senha; $sql = "SELECT nome FROM users WHERE nome='$nome' and password='$senha'"; $result = mysql_query($sql, $connection) or die ("Unable to get results."); $num = mysql_numrows($result) or die ("You're not authorized to be here. If you feel you have recieved this message in error, please contact the <a href=\"mailto:tyler.longren@midiowa.net\">webmaster</a>"); if ($num == 1) { echo "<p>You can be here<br>"; echo "Your username is $nome</p>"; } ?> Thanks !