function _nnEventTrack(_nnClickURL) {
  var _nnCI = "es-antena3tv";
  var _nnCG = "0";
  var _nnCC = "uk"; /* country code */
  var _nnLP = location.protocol.indexOf('https')>-1?'https:':'http:';
  var _nnRP = escape(window.location);
  var _nnND = _nnLP + '//secure-' + _nnCC + '.imrworldwide.com/';
  var _nnPixel = new Image(1,1);
  var _nnParams = "rnd=" + (new Date()).getTime() + "&ci=" + _nnCI + "&cg=" + _nnCG;

  _nnParams += "&si=" + escape(_nnClickURL) + "&rp=" + _nnRP;
  _nnPixel.src = _nnND + "cgi-bin/m?" + _nnParams;
}