function TrackingPixelMonitor() {
   var imagesToMonitor = new Array();

   var monitor = function () {
       var millisecondsToWait = 500;
       setTimeout(killLongLoadingTrackingPixels, millisecondsToWait);
   }

   var killLongLoadingTrackingPixels = function () {
       $(".tracking-pixel").remove();
   };

    return {
        monitor:monitor
    }
}