[code]
func ArrayRand(elements []interface{}) []interface{} {
	r := rand.New(rand.NewSource(time.Now().UnixNano()))
	n := make([]interface{}, len(elements))
	for i, v := range r.Perm(len(elements)) {
		n[i] = elements[v]
	}
	return n
}
[/code]