Request POST for Ajax Magento

gistfile1.txt

(
    [item] => Array
        (
            [124289] => Array
                (
                    [qty] => 1
                    [bundle_option_qty] => Array
                        (
                            [33607] => 1
                            [33608] => 1
                        )

                    [bundle_option] => Array
                        (
                            [33607] => 33555
                            [33608] => 33556
                        )

                )

        )

    [customer_id] => 2523544
    [store_id] => 1
    [currency_id] =>
    [form_key] => kGjCuYX6PlrlTL2r
    [payment] => Array
        (
            [method] => checkmo
        )

    [reset_shipping] => 1
    [json] => 1
    [as_js_varname] => iFrameResponse
)