Of course, the code is:
<code>
<html>
<body>
<form action="be.php" method="POST">
<select name="cod">
<?
mysql_connect("localhost","root","");
mysql_select_db("posta1");
$sql="select * from firme order by cod asc";
$resursa=mysql_query($sql);
while($row=mysql_fetch_array($resursa))
{print "<option value='".$row['cod']."'> ".$row['cod']."</option>";}
?>
</select>
<br><br>
Valoare colet in cifre: <input type="text" name="valoare"><br>
Valoare colet in litere: <input type="text" name="valoarelit"><br>
Ramburs colet in cifre: <input type="text" name="ramburs"><br>
Ramburs colet in litere: <input type="text" name="ramburslit"><br>
<BR><BR>
<input type="submit" name="unicas" value="Tipareste BE Unicas">
<br><br>
<input type="submit" name="unicas_la" value="Tipareste BE M.P. la Unicas">                       
<br><br>
<input type="submit" name="consel" value="Tipareste BE Conselectrom">                        
<br><br>
<input type="submit" name="consel_la" value="Tipareste BE M.P. la Conselectrom">       
</form>
</body>
</html>
</code>