function trackclick(id)
{
      var track = new Image();
      var unique_sessionID = getRandomNum(1000000, 9000000);
      track.src = "eflo/mailto_tracking.aspx?id=" + id + "&uid=" + unique_sessionID;
}
function getRandomNum(lbound, ubound) 
{
      return (Math.floor(Math.random() * (ubound - lbound)) + lbound);
}