Please view the source if you can't see this!

Anyway here is the hack - updated and improved - with some
extra lines round the outside so you can see where to put it.

Put your company name in where is says xxxx

                #
                # If we are sending the order through
                # email, then we use the mail-lib.pl
                # send_mail routine.
                #

  if ($sc_send_order_to_email =~ /yes/i) {
     &send_mail($sc_order_email,$sc_order_email,"xxxx Order number '$cart_id'", $text_of_cart);


################ micks edition ###########################
######## send an email to the customer too #################

#   First find out the email field on the order form and put this in below

    $customer_email_address = "$form_data{'14-e-mail'}";

# You could also put the persons name in the head of the email like this
# Again check for the input name on your order_form_page.html

    $text_of_customer_email = "Dear $form_data{'01-name'}, \n\n";
    $text_of_customer_email .= "Thank you for your order at   xxxx   !  \n";
    $text_of_customer_email .= "Your xxxx Order Number is '$cart_id'. \n";
    $text_of_customer_email .= "Please quote this in any correspondence you may have with us regarding your order. \n\n";
    $text_of_customer_email .= "Thank you again for shopping at   xxxx    ! \n";

     &send_mail($sc_order_email,  $customer_email_address, "Your   xxxx    Order", $text_of_customer_email);#
#
########################################################

 }
                # If we are sending the order to
                # a log file. Then, we use the following
                # routine to append to the log file
                # specified in the setup.
                #
                # The entries in the log file
                # are separated by two lines of
                # 40 hyphens ("-" x 40)