be suitable for multidimensional arrays in jquery

Make it suitable for multidimensional arrays in jquery ajax,  just like:
Form Data:
biz[0][id]:something001
biz[0][post][]:photo001_001
biz[0][post][]:photo001_002
biz[1][id]:something002
biz[1][post][]:photo002_001
biz[1][post][]:photo002_002