function open1() {
  window.open('http://www.half-garden.com/cgis/mail/write.html','480x350',
'toolbar=no,status=no,'+
'scrollbars=yes,location=no,menubar=no,directories=no,width=480,height=350')}

function open2() {
  window.open('about/a_index.htm','760x380',
'toolbar=no,status=no,'+
'scrollbars=yes,location=no,menubar=no,directories=no,width=760,height=380')}