var monstr : GameObject;

function Start () {
monstr.active = false;
}

function OnTriggerEnter(other : Collider){
if(other.tag == "Player");
monstr.active = true;
}

function OnTriggerExit(other : Collider){
if(other.tag == "Player");
monstr.active = false;   
Destroy(monstr);   
}