reCAPTCHA Bootstrap Script

                    <div id="recaptcha_widget" style="display:none">
                        <div class="recaptcha_only_if_no_incorrect_sol"></div>
                        <div class="form-group">
                            <label class="col-sm-2 control-label">reCAPTCHA</label>
                            <div class="col-sm-10">
                                <!--<a id="recaptcha_image" class="thumbnail"></a>-->
                                <div id="recaptcha_image"></div>
                            </div>
                        </div>

                        <div class="form-group">
                            <label for="recaptcha_response_field" class="col-sm-2 recaptcha_only_if_image control-label">Angezeigte Wörter</label>
                            <label for="recaptcha_response_field" class="col-sm-2 recaptcha_only_if_audio control-label">Gehörte Zahlen</label>

                            <div class="col-sm-10">
                                <div class="input-group">
                                    <input type="text" class="form-control" id="recaptcha_response_field" name="recaptcha_response_field" placeholder="reCAPTCHA">
                                    <span class="input-group-btn">
                                        <a class="btn btn-warning" href="javascript:Recaptcha.reload()"><span class="glyphicon glyphicon-refresh"></span></a>
                                        <a class="btn btn-primary recaptcha_only_if_image" href="javascript:Recaptcha.switch_type(' . "'audio'" . ')"><span title="Audio-CAPTCHA anfordern" class="glyphicon glyphicon-headphones"></span></a>
                                        <a class="btn btn-primary recaptcha_only_if_audio" href="javascript:Recaptcha.switch_type(' . "'image'" . ')"><span title="Bild-CAPTCHA anfordern" class="glyphicon glyphicon-picture"></span></a>
                                        <a class="btn btn-info" href="javascript:Recaptcha.showhelp()"><span class="glyphicon glyphicon-question-sign"></span></a>
                                    </span>
                                </div>
                            </div>
                        </div>
                    </div>

                    <script type="text/javascript" src="http://www.google.com/recaptcha/api/challenge?k=DEIN_PUBLIC_KEY"></script>

                    <noscript>
                        <iframe src="http://www.google.com/recaptcha/api/noscript?k=DEIN_PUBLIC_KEY" height="300" width="500" frameborder="0"></iframe>
                        <br>
                        <textarea name="recaptcha_challenge_field" rows="3" cols="40"></textarea>
                        <input type="hidden" name="recaptcha_response_field" value="manual_challenge">
                    </noscript>