<div class="search-content">
   <form method="get" id="searchform" action="<?php bloginfo('home'); ?>/">
      <label for="search_header" accesskey="4" class="header-name">サイト内検索</label>
      <input type="text" value="<?php echo attribute_escape($s); ?>" name="s" id="search_header" class="t" />
      <input type="submit" class="submit" value="検索" />
   </form>
</div>
