function OpenComments (c) {
    window.open(c,
                    'comments',
                    'width=480,height=480,resizable=yes,scrollbars=yes,status=yes');
}

function OpenTrackback (c) {
    window.open(c,
                    'trackback',
                    'width=590,height=250,resizable=yes,scrollbars=yes,status=yes');
}