<!--  to hide script contents from old browsers
function onSearchSubmit() {
  var formObj = document.search;

  // var categories_id = formObj.categories_id[formObj.categories_id.selectedIndex].value;
  var keywords = formObj.q.value;

  if (keywords.length < 1)
  {
    error_message = "* Please enter keyword";
    alert(error_message);
    return false;
  }

  return true;
}
// end hiding -->