[code]
func ArrayChunk(s []interface{}, size int) [][]interface{} {
	if size < 1 {
		panic("size: cannot be less than 1")
	}
	length := len(s)
	chunks := int(math.Ceil(float64(length) / float64(size)))
	var n [][]interface{}
	for i, end := 0, 0; chunks > 0; chunks-- {
		end = (i + 1) * size
		if end > length {
			end = length
		}
		n = append(n, s[i*size:end])
		i ++
	}
	return n
}
[/code]