public function addenemy():void
		{
			var mob:MC_enemy1 = new MC_enemy1();
			enemy.push(mob);
			stage.addChild(mob);
			mob.x = 800 + mob.width;
			mob.y = mob.height + Math.random() * 601 - mob.height;
		}
public function shoot():void
		{
			var bullet:Sprite = drawcircle(0x0000ff,2);
			stage.addChild(bullet);
			bullet.x = hero.x;
			bullet.y = hero.y;
			bullets.push(bullet);
		}
public function bulletmovement():void
		{
			for(var j:int = 0 ; j < bullets.length ; j++)
			{
				bullets[j].x += bulletspeed;
				if(bullets[j].x >= 800 && stage.contains(bullets[j]) == true)
				{
					stage.removeChild(bullets[j]);
					bullets.splice(j,1);
					break
				}
			}
		}