Can´t get created emty mocieclip dragable

Hello!
I have created two emty mocieclips (holder and holderx) in which some lines is beeing drawn.
I want to do holderx dragable but can´t succeed.
(holderx is the red lined). I attach the fla because it´s diffycult to explain what´s it all about. I would be happy if someone could help me out.

 

luta.onPress=function() {
punkt2._alpha=100;
punkt3._alpha=100;
punkt4._alpha=100; 
k=k;
m=m;
if (k=="") {
k=1;
}
if (m=="" || m=="m") {
m=0;
}
if (k==1) {
  _root.blank1._alpha=100;
  _root.ylikamed._x=_root.ylikamall._x+12;
} else if(k!=1){
  _root.blank1._alpha=0; 
  _root.ylikamed._x=_root.ylikamall._x;
}
if (m==0) {
  _root.blank2._alpha=100;

} else if(m!=0){
  _root.blank2._alpha=0; 
  

}
punkt1._x=punkt0._x-20*8
punkt1._y=punkt0._y+20*k*8-20*m
punkt2._x=punkt0._x-20*5
punkt2._y=punkt0._y+20*k*5-20*m 
punkt3._x=punkt0._x;
punkt3._y=punkt0._y-20*m;
punktx._x=punkt0._x+20;
punktx._y=punkt0._y-20*m;
punkt4._x=punkt0._x+20*5;
punkt4._y=punkt0._y-20*k*5-20*m
punkt5._x=punkt0._x+20*8;
punkt5._y=punkt0._y-20*k*8-20*m
punktx._x=punkt0._x+20*1;
punktx._y=punkt0._y-20*k*1-20*m
  createEmptyMovieClip('holder',10);
with(holder){
lineStyle(2);
moveTo(punkt5._x, punkt5._y);
lineTo(punkt4._x, punkt4._y);
lineTo(punkt3._x, punkt3._y);
  lineTo(punkt2._x, punkt2._y);
  lineTo(punkt1._x, punkt1._y);
  

createEmptyMovieClip('holderx',100);
with(holderx){
lineStyle(2,0xFF0000);

moveTo(punkt3._x, punkt3._y);
lineTo(punkt3._x+20, punkt3._y);
lineTo(punktx._x, punktx._y);

}
}
}

_root.holder.holderx.onPress = function() {
startDrag (this, false);
}
_root.holder.holderx.onRelease = function() {
stopDrag ();
}