function showCard(username, autoprint) {
  loc = '/print_card.php?username='+username;
  if (autoprint == 1)
    loc += "&autoprint";
  win = window.open(loc,'printCard','width=800,height=400,toolbar=0,location=1,directories=0,status=0,menubar=1');
  return win;
}

function showMultiCard(userlist) {
  loc = '/print_card.php?userlist='+userlist;
  win = window.open(loc,'printMultiCard','width=800,height=400,toolbar=0,location=1,directories=0,status=0,menubar=1');
  return win;
}