mmm, i think this may be the line of code that does that the problem may be here then.
zen_draw_hidden_field('currency', $currency) .
i will post up the fullsection to allow everyone to get a better feel.
$process_button_string = zen_draw_hidden_field('cmd', 'click') .
zen_draw_hidden_field('merchant', 'xxxxxxxx') .
zen_draw_hidden_field('merchant', 'xxxxxxxx') .
zen_draw_hidden_field('merchantemail', 'xxxxxxxxxxxx') .//the email address you want the notifications of transactions sent to.
zen_draw_hidden_field('orderref', $order_id) .
zen_draw_hidden_field('currency', $currency) .
zen_draw_hidden_field('customerid', $customer_id) .
zen_draw_hidden_field('inputamount', round($order->info['total'],2)).
zen_draw_hidden_field('name', $order->billing['firstname'].' '.$order- >billing['lastname']) .
zen_draw_hidden_field('address', $order->billing['street_address'] . ', ' .$order->customer['suburb']) .//you can remove the suburb statement if you only want to show first line of address
zen_draw_hidden_field('zenid',zen_session_id()) .
zen_draw_hidden_field('town', $order->billing['city']) .
zen_draw_hidden_field('county',$order->billing['state']) .
zen_draw_hidden_field('country',$order->billing['country']['title']) .
zen_draw_hidden_field('postcode', $order->billing['postcode']).
zen_draw_hidden_field('telephone',$order->customer['telephone']) .
zen_draw_hidden_field('email', $order->customer['email_address']) .
zen_draw_hidden_field('customeremail', '1') .
zen_draw_hidden_field('callbackurl','1') .
zen_draw_hidden_field('cancelurl', zen_href_link(FILENAME_CHECKOUT_PAYMENT, '', 'SSL'))
;



