function pstats(id)
{
  w = 400; h = 500;
  t = (screen.height-h-30)/2;
  l = (screen.width-w-30)/2;
  window.open('./?payouts&id=' + id, 'view_statistics' + id, "top="+t+",left="+l+",width="+w+",height="+h+",resizable=1,scrollbars=1");
}