Help plz:submitting form

[delickate]

hi,

i m working in oscommerce. i need to submit my own defined array value with form.

i m using product info file and it is redirecting to shopping cart. via application top.

its form tag is:

<?php echo tep_draw_form('cart_quantity', tep_href_link(FILENAME_PRODUCT_INFO, tep_get_all_get_params(array('action')) . 'action=add_product')); ?>

and my aray is :

<input type="checkbox" value="<?php echo $key['text']; ?>" name="rd[]">

this array check have dynamic values.

i want to submit my check box values with this form and want to show in shoping cart.

any body can help me ?