 		private var _speed:Number;				// current speed
 		private var _speedPercent:Number;
 		
-		private var _progressCounter:uint;
-		private var _lap:uint;
+		private var _progress:uint;
+		private var _currentLap:uint;
 		private var _startTime:uint;
 		private var _currentLapTime:uint;		// current lap time
-		private var _lastLapTime:uint;		// last lap time
+		private var _lastLapTime:uint;			// last lap time
 		private var _fastestLapTime:uint;
 		
 		private var _isAccelerating:Boolean;

			_heightHalf = _height * 0.5;
			_bgScrollOffset = 0.0;
			
			_progressCounter = 0;
			_lap = 1;
			_startTime = 0;
			_currentLapTime = 0;
			_lastLapTime = 0;

			/* Increase move counter only if the player is moving. */
			if (_prevSegment != playerSegment)
			{
				++_progress;
			}
			
			_prevSegment = playerSegment;
