<div class="container">        
    <div class="col-md-6 col-md-offset-3">
        <form class="form-signin" method="POST" onsubmit="captchaPrepare($(this).serializeArray(), login);
                return false;">
            <h2 class="form-signin-heading">Prihlásenie do administrácie</h2>
            <div class="form-group">
                <label for="inputEmail" class="sr-only">E-mail</label>
                <input type="text" id="inputEmail" class="form-control input-lg" name="email" placeholder="E-mail" required autofocus>
            </div>
            <div class="form-group">
                <label for="inputPassword" class="sr-only">Heslo</label>
                <input type="password" id="inputPassword" class="form-control input-lg" name="password" placeholder="Heslo" required autofocus>      
            </div>
            <div class="form-group text-right">
                <a href="/admin/forgotten-password/">Zabudnuté heslo</a>     
            </div>
            <div id='recaptcha' 
                 class="g-recaptcha"
                 data-sitekey="<?php echo GOOGLE_INVISIBLE_RECAPTCHA_SITE_KEY; ?>"
                 data-callback="onRecaptchaResponse"
                 data-size="invisible">
            </div>
            <button class="btn btn-lg btn-primary btn-block" type="submit">Prihlásiť sa</button>
        </form>                
    </div>        
</div>   

<script src="https://www.google.com/recaptcha/api.js" async defer></script>