var hit : RaycastHit;

function Update () {
	
	// Use Raycast to pick objects that have mesh colliders attached.
	var ray = Camera.main.ScreenPointToRay (Input.mousePosition);
	
	if (Input.GetMouseButtonDown (0))  //Returns true during the frame the user touches the object
	{
		if (Physics.Raycast (ray, hit, 100)) 
		{
			animation.Play("forward");
		}
	}
	
	if (Input.GetMouseButtonUp (0))  //Returns true during the frame the user deselects the object
	{
		if (Physics.Raycast (ray, hit, 100)) 
		{
			animation.Play("backward");
		}
	}
	
	else {
	}

}