<div class="control-group <?php echo !empty($status_racunaError)?'error':'';?>">
                    <label class="control-label">Status računa:</label>
                    <div class="controls">
                        <input name="status_racuna" id="status_racuna" type="text" placeholder="Status računa" value="<?php echo !empty($status_racuna)?$status_racuna:'';?>"> &nbsp
                        <button name="btn-upload" type="submit" id="btn-upload" class="btn btn-success" onclick="aktivan()"><i class="glyphicon glyphicon-send"></i> aktivan</button>
                         &nbsp <button type="button" onClick="neaktivan()" class="btn btn-danger">neaktivan</button>
                        <?php if (!empty($emailError)): ?>
                            <span class="help-inline"><?php echo $status_racunaError;?></span>
                        <?php endif;?>
                    </div>
                  </div>

                  <div class="form-actions">
                      <button type="submit" class="btn btn-success">Ažuriraj</button>
                      <a class="btn" href="admin_zona.php">Nazad</a>
                    </div>
                </form>
            </div>

echo "<div class="poruka_korisnik"><p>Email je poslan na korisnikovu adresu. <i>$_POST[email]</i>. Molimo Vas da provjerite svoj e-mail.</p></div>";
                        $to = $_POST['email'];
                        $subject = "OPG Burza: obavijest o registraciji";
                        $message = "Dobrodošli!rr Hvala Vam što ste se registrirali na OPG Burzu. Vaš zahtjev za registracijom je odobren. Možete pristupiti našoj stranici na poveznici www.opg-burza.com.";
                        $headers  = 'MIME-Version: 1.0' . "rn";
                        $headers .= 'Content-type: text/html; charset=UTF-8' . "rn";
                        $headers .= 'From: OPG Burza team <noreply@opg-burza.com>' . "rn";
                        mail($to, $subject, $message, $headers);
                        }