Script keylock verticale....

onClipEvent(load)
{
function unlock()
{
getURL("FSCommand:Idle_CMD", "StateNameChange");
}
goback = false;
}
onClipEvent(enterFrame)
{
this.onPress = function ()
{
this.startDrag(false, 79, 150, 79, 320);
}
;
this.onRelease = this.onReleaseOutside = function ()
{
stopDrag();
goback = true;
}
;
if (goback)
{
dx = this._y - 150;
this._y = this._y - dx / 2;
if (this._y > 151)
{
goback = false;
this._y = 320;
}
}
if (this._y < 155)
{
unlock();
}
}