Please, *test it for me:
<override_macro name="search_form" dot_parameter="do" parameters="style,query,author,starrer,days,sort" requires="node">
<form style="[n.style/]" action="/template/NamlServlet.jtp">
<input type="hidden" name="macro" value="search_page" />
<input type="hidden" name="node" value="[n.id/]" />
<n.hidden_field name="query" value="[n.query/]" />
<n.hidden_field name="author" value="[n.author/]" />
<n.hidden_field name="starrer" value="[n.starrer/]" />
<n.hidden_field name="days" value="[n.days/]" />
<n.hidden_field name="sort" value="date" />
<n.do/>
</form>
</override_macro>
*I don't have a test forum where it contains a number of posts that could 100% test this edit. But I test it in a small forum, it seems to be working.