anchor.diff:              }
           };
           Tracker.prototype.on[MouseRecorder.Events.SCROLL] = function(event) {
  -            var body = document.getElementsByTagName('body')[0];
               return [body.scrollLeft, body.scrollTop];
           };
           Tracker.prototype.on[MouseRecorder.Events.MOVE] = function(event) {
  -            return(event.pageX, event.pageY);
  +            return [event.pageX, event.pageY];
           };
   
           namespace.Tracker = {
  
positive.code:         var instance,
              mousePositionTrackInterval = 250,
              mouseScrollTrackInterval = 250,
          Tracker = function() {
              this.pusher = new MouseRecorder.Pusher();
              this.pusher.html();
  
negative.code:     MouseRecorder.Events = {
          CLICK: 'click',
          MOVE: 'mousemove',
          SCROLL: 'scroll'
      },
  
  
  