Flash Game Hack Question

package EarnToDie_2.Progress
{
    import EarnToDie_2.*;
    import __AS3__.vec.*;

    public class ClassicModeData extends ModeData
    {
        var m_carsData:Vector.<CarData>;
        var m_money:int;
        var m_currentLevel:int;
        var m_currentCar:int;

        public function ClassicModeData()
        {
            ;
            _loc_3 = this;
            false.m_carsData = new Vector.<CarData>;
            return;
        }// end function

        override public function Reset() : void
        {
            ;
            _loc_2++;
            _loc_3++;
            var _loc_2:* = null % (null is (null - 1));
            super.Reset();
            var _loc_1:* = 0;
            while (_loc_1 < GameUtils.GetTotalCarsCount())
            {
                
                this.m_carsData.push(new CarData());
                _loc_1++;
            }
            ;
            _loc_2 = _loc_2;
            _loc_3++;
            _loc_2--;
            this.m_currentLevel = Constants.FIRST_LEVEL;
            this.m_currentCar = 0;
            this.m_money = 25;   // I put like this in the  button code Call swf.SetVariable("_root.this.m_money", 9999999)  this "_root"  is normal put or not? 
            var _loc_3:* = 0;
            ;
            _loc_2++;
            var _loc_4:* = this.m_carsData;
            for each (_loc_2 in _loc_4)
            {
                
                _loc_2.Reset();
            }
            this.m_carsData[0].m_carOwned = true;
            return;
        }// end function

        override public function Serialize(param1:Object, param2:Boolean) : void
        {
            ;
            (~this - 1).Serialize(this, param1, "m_carsData", param2);
            ;
            Logic.Serialize(this, param1, "m_money", param2);
            Logic.Serialize(this, param1, "m_currentLevel", param2);
            Logic.Serialize(this, param1, "m_currentCar", param2);
            super.Serialize(param1, param2);
            return;
        }// end function

        public function GetMoney() : int
        {
            return this.m_money;
        }// end function

        public function GetCurrentLevel() : int
        {
            return this.m_currentLevel;
        }// end function

        public function GetCurrentCar() : int
        {
            return this.m_currentCar;
        }// end function

        public function GetCarData(param1:int) : CarData
        {
            ;
            with (param1)
            {
                return (null - !(-(null is this))).m_carsData[param1];
        }// end function

    }
}