function trackvoyce() {

  if (location.protocol != 'http:') {

    return;

  }

  var tvid;

  var thost  = '//stats.rallydev.com';

  var srcpath = location.protocol + thost + '/track.gif';

  var myDate = new Date();

  var tvcookie = document.cookie.toString();

  if (tvcookie.indexOf('_tvid') == -1) {

    tvid = parseInt(Math.random() * 1000) + '_' + myDate.getTime();

    document.cookie = '_tvid=' + tvid + ';expires=Mon, 31-Dec-2008 00:00:00 GMT' + ';path=/;';

    tvcookie = document.cookie.toString();

  }

  if (tvcookie.indexOf('_tvid') == -1) {

    tvid = "";

  }

  else {

    var nstartid = tvcookie.indexOf('_tvid=') + 6;

    var nendid   = tvcookie.indexOf(';', nstartid);

    if (nendid == -1) {

      nendid = tvcookie.length;

    }

    tvid = unescape(tvcookie.substring(nstartid, nendid));

  }

  var timg = new Image();

  srcpath += '?js=1&tvid=' + tvid + '&pageurl=' + escape(window.location) + '&ref=' + escape(document.referrer);

  timg.src = srcpath;

}