<div class="txtcenter">
<form style="margin-top: 0;" action="<{xoAppUrl search.php}>" method="get">
  <input type="text" name="query" size="14" />
  <input type="hidden" name="action" value="results" /><br />
  <input type="submit" value="<{$block.lang_search}>" />
</form>
<a href="<{xoAppUrl search.php}>" title="<{$block.lang_advsearch}>"><{$block.lang_advsearch}></a>
</div>