function OnMouseDown()
{
transform.animation.enabled=false;
transform.animation.Play(anmname);
transform.animation.enabled=true;
}  

var explosionPrefab : Transform;
var popadenia =0;

function OnCollisionEnter(collision : Collision) {
     var contact : ContactPoint = collision.contacts[0];
     var rot : Quaternion = Quaternion.FromToRotation(Vector3.up, contact.normal);
     var pos : Vector3 = contact.point;

popadenia=popadenia+1;

if (popadenia==300)
{
     Instantiate(explosionPrefab, pos, rot);
     Destroy (gameObject);
}

}

var prefab : Transform;

for (var i : int = 0;i < 10; i++) {
     Instantiate (prefab, Vector3(i * 2.0, 0, 0), Quaternion.identity);
}