function add_to_cart_popup(file_id) {
  window.open('/add_to_cart.php?id=' + file_id,'add_to_cart','height=200,width=360,menubar=no,resizable=no,status=no,scrollbars=yes');
}

function quick_order_popup(file_id) {
  window.open('/quick_order.php?id=' + file_id,'quick_order','height=200,width=360,menubar=no,resizable=no,status=no,scrollbars=yes');
}

function picture_popup(film_id, picture_id, width, height) {
  if (! width) {
    width = 150;
  } else {
    width += 15;
  }
  if (! height) {
    height = 100;
  } else {
    height += 15;
  }
  window.open('/image.php?type=pc&id=' + picture_id,'picture','height=' + height + ',width=' + width + ',menubar=no,resizable=yes,status=no,scrollbars=no');
}