function Confirm() {
  document.mbynavi_search_direct.elements['search_func'].value = 'COM';
  document.mbynavi_search_direct.action="/cgi-bin/mbynavi/mbynavi_search.cgi";
  document.mbynavi_search_direct.method="POST";
  document.mbynavi_search_direct.encoding = "multipart/form-data";
  document.mbynavi_search_direct.submit();
}