Typecho 访客信息显示隐藏

<?php if($this->remember('author',true) != "" && $this->remember('mail',true) != "") : ?>
<p class="title welcome">
  <?php _e('欢迎'); ?> 
  <strong><?php $this->remember('author'); ?></strong> 
  <?php _e('童鞋归来，'); ?>
  <a class="edit_author" href="#"><?php _e('编辑资料 »'); ?></a>
</p>
<div class="author_info" style="display:none;">
  <?php else : ?>
  <div class="author_info">
    <?php endif ; ?>
    <p class="title">
      <label for="author"><span class="required">*</span> <?php _e('昵称代号'); ?></label>
    </p>
    <p>
      <input type="text" name="author" id="author" class="text" size="15" value="<?php $this->remember('author'); ?>" />
    </p>
    <p class="title">
      <label for="mail"><?php if ($this->options->commentsRequireMail): ?>
      <span class="required">*</span><?php endif; ?> 
      <?php _e('电子邮件'); ?></label>
    </p>
    <p>
      <input type="text" name="mail" id="mail" class="text" size="15" value="<?php $this->remember('mail'); ?>" />
    </p>
    <p class="title">
      <label for="url"><?php if ($this->options->commentsRequireURL): ?>
      <span class="required">*</span><?php endif; ?> 
      <?php _e('博客地址'); ?></label>
    </p>
    <p>
      <input type="text" name="url" id="url" class="text" size="15" value="<?php $this->remember('url'); ?>" />
    </p>
  </div>