<script>
    //<![CDATA[
    function dsfaq_open_quest(id){
        document.getElementById("dsfaq_answer_" + id).innerHTML = '<img src="<?php echo $this->plugurl; ?>img/ajax-loader.gif" />';
        var mysack = new sack("<?php echo $this->plugurl; ?>ajax.php" );
        mysack.execute = 1;
        mysack.method = 'POST';
        mysack.setVar( 'action', 'open_quest' );
        mysack.setVar( 'id', id );
        mysack.onError = function() { alert('Ajax error. [Error id: 10]' )};
        mysack.runAJAX();
        return true;
    }
    function dsfaq_close_quest(id){
        document.getElementById("dsfaq_answer_" + id).innerHTML = '';
        return true;
    }
    //]]>
</script>

Проверяю.

Пока вроде всё работает…

<?php if (!(current_user_can('level_0'))){ ?>
<h2>Войти</h2>
<form action="<?php echo get_option('home'); ?>/wp-login.php" method="post">
<input type="text" name="log" id="log" value="<?php echo wp_specialchars(stripslashes($user_login), 1) ?>" size="20" />
<input type="password" name="pwd" id="pwd" size="20" />
<input type="submit" name="submit" value="Send" class="button" />
<p>
<label for="rememberme"><input name="rememberme" id="rememberme" type="checkbox" checked="checked" value="forever" /> Запомнить меня</label>
<input type="hidden" name="redirect_to" value="<?php echo $_SERVER['REQUEST_URI']; ?>" />
</p>
</form>
<a href="<?php echo get_option('home'); ?>/wp-login.php?action=lostpassword">Забыли пароль?</a>
<?php } else { ?>
<h2>Выйти</h2>
<a href="<?php echo wp_logout_url(urlencode($_SERVER['REQUEST_URI'])); ?>">Выход</a><br />
<a href="http://<?php bloginfo('url'); ?>/wp-admin/">admin</a>
<?php }?>