И Тем не менее ошибка... Вот основной класс

Код AS3:
package
{
import ua.PlaneObj;
import fl.controls.TextArea;
import flash.events.MouseEvent;
import flash.events.Event;
import flash.display.MovieClip;
import flash.utils.Timer;
import flash.events.TimerEvent;
import flash.display.*;
import flash.display.Sprite;
import flash.events.Event;
public class AddButton extends Sprite
{
public var k:Number = 1
public var vx1:Number;
public var vy1:Number;
public var vz1:Number;
public var vx2:Number;
public var vy2:Number;
public var vz2:Number;
public var vx3:Number;
public var vy3:Number;
public var vz3:Number;
public var vx4:Number;
public var vy4:Number;
public var vz4:Number;
private var _timer:Timer;
public function AddButton()
{
var vectorS:PlaneObj = new PlaneObj() ;
trace(stage.stageHeight)
trace(stage.stageWidth)
addChild(vectorS);
var bt_start:MovieClip = new btn
var bt_sutr:MovieClip = new btn_st
var bt_supa:MovieClip = new btn_sp
var bt_ratr:MovieClip = new btn_rt
var fon:MovieClip = new RAMKA
addChild(bt_start)
addChild(bt_sutr)
addChild(bt_ratr)
addChild(bt_supa)
//addChild(fon)
bt_start.x = 50
bt_start.y= 300
bt_sutr.x = 150
bt_sutr.y= 300
bt_supa.x = 300
bt_supa.y = 300
bt_ratr.x = 500
bt_ratr.y = 300
if (stage) init();
else addEventListener(Event.ADDED_TO_STAGE, init);
}
private function init(e:Event = null):void
{
removeEventListener(Event.ADDED_TO_STAGE, init);
PlaneObj.setStage(stage);
var _neddStage:PlaneObj = new PlaneObj();
}
}
}