anchor.diff:      MouseRecorder.Events = {
           CLICK: 'click',
           MOVE: 'mousemove',
  -        SCROLL: 'onscroll'
  +        SCROLL: 'scroll'
       },
   
   
  
positive.code:             }
          };
          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);
          };
  
          namespace.Tracker = {
  
negative.code:             withInterval: function(eventType, interval) {
                  var self = this;
                  setInterval(function() {
                      if(self.coords[eventType] && self.coords[eventType].update === true) {
                          self.coords[eventType].update = false;
                          self.pusher.receive(self.coords[eventType], eventType);
                      }
                  }, interval);
  