Hmmm....not sure what DO Loop is. This code below is on my confirm page and looks like it is the data that is passing to PayPal. Is this correct and would you mind showing what line to add the shipping column to the price?
<?php //WA eCart Validation
if ((WA_eCart_FormatNumber($eleventh_step_store->DisplayInfo("Price") - (($eleventh_step_store->DisplayInfo("Price")/$eleventh_step_store->TotalColumn("TotalPrice")) * $eleventh_step_store->GetDiscounts()), false, 2) > 0)) {
?>
<input type="hidden" name="amount_<?php echo $eleventh_step_store_Index+1; ?>" id="amount_<?php echo $eleventh_step_store_Index+1; ?>" value="<?php echo WA_eCart_FormatNumber($eleventh_step_store->DisplayInfo("Price") - (($eleventh_step_store->DisplayInfo("Price")/$eleventh_step_store->TotalColumn("TotalPrice")) * $eleventh_step_store->GetDiscounts()), false, 2) ?>" />
<input type="hidden" name="item_name_<?php echo $eleventh_step_store_Index+1; ?>" id="item_name_<?php echo $eleventh_step_store_Index+1; ?>" value="<?php echo $eleventh_step_store->DisplayInfo("Name") ?>" />
<input type="hidden" name="item_number_<?php echo $eleventh_step_store_Index+1; ?>" id="item_number_<?php echo $eleventh_step_store_Index+1; ?>" value="<?php echo $eleventh_step_store->DisplayInfo("ID") ?>" />
<input type="hidden" name="quantity_<?php echo $eleventh_step_store_Index+1; ?>" id="quantity_<?php echo $eleventh_step_store_Index+1; ?>" value="<?php echo $eleventh_step_store->DisplayInfo("Quantity") ?>" />
<input type="hidden" name="on0_<?php echo $eleventh_step_store_Index+1; ?>" id="on0_<?php echo $eleventh_step_store_Index+1; ?>" value="" />
<input type="hidden" name="os0_<?php echo $eleventh_step_store_Index+1; ?>" id="os0_<?php echo $eleventh_step_store_Index+1; ?>" value="" />
<input type="hidden" name="on1_<?php echo $eleventh_step_store_Index+1; ?>" id="on1_<?php echo $eleventh_step_store_Index+1; ?>" value="" />
<input type="hidden" name="os1_<?php echo $eleventh_step_store_Index+1; ?>" id="os1_<?php echo $eleventh_step_store_Index+1; ?>" value="" />
<?php //WA eCart Validation
}
else {
$eleventh_step_store_Index --;