$(function() {
    var showdetails = $('input[name=search_dgb19b[sp_show_detailfields]]').val();
    if( showdetails == 1 ) {
        dgb28_search_show_details( true );
    }
    $('#sp_show_detailfields_0 label').click(function() {
        var showdetails = $('input[name=search_dgb19b[sp_show_detailfields]]').val();
        showdetails = showdetails == 1 ? 0 : 1;
        $('input[name=search_dgb19b[sp_show_detailfields]]').val(showdetails);
        dgb28_search_show_details( showdetails );
    });
});

function dgb28_search_show_details( showOrHide ) {
        $('#sp_rubrics_0').toggle(showOrHide);
        $('#sp_pubdate_yn_0').toggle(showOrHide);
        $('#sp_pubdate_since_0').toggle(showOrHide);
        $('#sp_pubdate_until_0').toggle(showOrHide);
}