function visDetail() {
  filnavn = arguments[0]
  w = "500"
  if (arguments.length > 1) w = String(arguments[1])
  h = "500"
  if (arguments.length > 2) h = String(arguments[2])
  opt  = "toolbar=no,scrollbars=yes"
  opt += ",width=" + w
  opt += ",height=" + h
  detail = window.open(filnavn,"detailW",opt)
  detail.focus()
}