function Search() {

  form = document.getElementById("search_form");
  if (form.edt_search_keyword.value == "") {
    alert('Please enter search text');
    form.edt_search_keyword.focus();
    return false;
  } else return true;
  
}

function Search_Check(id, fid)
{
    if (document.getElementById(''+id+'').value == "") {
        alert('Please enter search text');
        document.getElementById(''+id+'').focus();
        return false;
    } else {
        document.getElementById(fid).submit();
        return true;
    }
}