function openfullsizewin(pg, target)
{
  width = window.screen.availWidth;
  height = window.screen.availHeight;
  hdl = window.open(pg,target,"location=yes,menubar=yes,status=yes,scrollbars=yes,resizable=yes,toolbar=yes,width="+width+",height="+height);
  hdl.focus();
}

function openwin(pg, target, width, height)
{
  hdl = window.open(pg,target,"location=no,menubar=no,status=no,scrollbars=yes,resizable=yes,toolbar=no,width="+width+",height="+height);
  hdl.focus();
  return false;
}

function openexternal(pg)
{
  width = self.width;
  height = self.height;
  hdl = window.open(pg,"external","location=yes,menubar=yes,status=yes,scrollbars=yes,resizable=yes,toolbar=yes,width="+width+",height="+height);
  return false;
}