Código PHP:
$resul=$gDocente->busca_alu($_POST['pais'],$_POST['estado']);
if($_POST['pais']<>''){
while($row=$gConexion->conex->datostablanom($resul)){
$nom[]=$row['codalu'];
echo '<tr><td>'.$row['codalu'].$form.'</td><td>'.$row['nomalu'].'</td><td ><input type="text" name="'.$row['codalu'].'" class="n" maxlength="2" onkeypress="return soloNumeros(event)" " /></td></tr>';
}
}