function rsi_req_pix(u) {
  if (u.indexOf('http:') == 0 && document.location.protocol == 'http:' && typeof u.split == 'function') {
    var ul = u.split(' ');
    var il = [];
    for (j = 0; j < ul.length; ++j) {
      var i = new Image(2,3);
      i.src = ul[j];
      il[j] = i;
    }
  }
}

rsi_req_pix('');