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

// open trackback pop-up window
function OpenTrackback (c) {
   window.open(c,
                   'trackback',
                   'width=480,height=480,scrollbars=yes,status=yes');
}