Well some more testing today and a small issue.  When I sign up, I now get 2 welcome emails.  One is good, takes me to the confirmation screen.  The other says:
 (probably the first),  how would I incorporate it as a function in my create_account.php?  
<?php/*  $Id: create_account.php,v 1.2 2005/01/18 06:25:30 Exp $  osCommerce, Open Source E-Commerce Solutions  http://www.oscommerce.com  Copyright (c) 2003 osCommerce  Released under the GNU General Public License*/  require('includes/application_top.php');// needs to be included earlier to set the success message in the messageStack  require(DIR_WS_LANGUAGES . $language . '/' . FILENAME_CREATE_ACCOUNT);  $process = false;  if (isset($HTTP_POST_VARS['action']) && ($HTTP_POST_VARS['action'] == 'process')) {    $process = true;    if (ACCOUNT_GENDER == 'true') {      if (isset($HTTP_POST_VARS['gender'])) {        $gender = tep_db_prepare_input($HTTP_POST_VARS['gender']);      } else {        $gender = false;      }    }    $firstname = tep_db_prepare_input($HTTP_POST_VARS['firstname']);    $lastname = tep_db_prepare_input($HTTP_POST_VARS['lastname']);    if (ACCOUNT_DOB == 'true') $dob = tep_db_prepare_input($HTTP_POST_VARS['dob']);    $email_address = tep_db_prepare_input($HTTP_POST_VARS['email_address']);    if (ACCOUNT_COMPANY == 'true') $company = tep_db_prepare_input($HTTP_POST_VARS['company']);    $street_address = tep_db_prepare_input($HTTP_POST_VARS['street_address']);    if (ACCOUNT_SUBURB == 'true') $suburb = tep_db_prepare_input($HTTP_POST_VARS['suburb']);    $postcode = tep_db_prepare_input($HTTP_POST_VARS['postcode']);    $city = tep_db_prepare_input($HTTP_POST_VARS['city']);    if (ACCOUNT_STATE == 'true') {      $state = tep_db_prepare_input($HTTP_POST_VARS['state']);      if (isset($HTTP_POST_VARS['zone_id'])) {        $zone_id = tep_db_prepare_input($HTTP_POST_VARS['zone_id']);      } else {        $zone_id = false;      }    }    $country = tep_db_prepare_input($HTTP_POST_VARS['country']);    $telephone = tep_db_prepare_input($HTTP_POST_VARS['telephone']);    $fax = tep_db_prepare_input($HTTP_POST_VARS['fax']);    if (isset($HTTP_POST_VARS['newsletter'])) {      $newsletter = tep_db_prepare_input($HTTP_POST_VARS['newsletter']);    } else {      $newsletter = false;    }    $password = tep_db_prepare_input($HTTP_POST_VARS['password']);    $confirmation = tep_db_prepare_input($HTTP_POST_VARS['confirmation']);    $error = false;    if (ACCOUNT_GENDER == 'true') {      if ( ($gender != 'm') && ($gender != 'f') ) {        $error = true;        $messageStack->add('create_account', ENTRY_GENDER_ERROR);      }    }    if (strlen($firstname) < ENTRY_FIRST_NAME_MIN_LENGTH) {      $error = true;      $messageStack->add('create_account', ENTRY_FIRST_NAME_ERROR);    }    if (strlen($lastname) < ENTRY_LAST_NAME_MIN_LENGTH) {      $error = true;      $messageStack->add('create_account', ENTRY_LAST_NAME_ERROR);    }    if (ACCOUNT_DOB == 'true') {      if (checkdate(substr(tep_date_raw($dob), 4, 2), substr(tep_date_raw($dob), 6, 2), substr(tep_date_raw($dob), 0, 4)) == false) {        $error = true;        $messageStack->add('create_account', ENTRY_DATE_OF_BIRTH_ERROR);      }    }    if (strlen($email_address) < ENTRY_EMAIL_ADDRESS_MIN_LENGTH) {      $error = true;      $messageStack->add('create_account', ENTRY_EMAIL_ADDRESS_ERROR);    } elseif (tep_validate_email($email_address) == false) {      $error = true;      $messageStack->add('create_account', ENTRY_EMAIL_ADDRESS_CHECK_ERROR);    } else {      $check_email_query = tep_db_query("select count(*) as total from " . TABLE_CUSTOMERS . " where customers_email_address = '" . tep_db_input($email_address) . "'");      $check_email = tep_db_fetch_array($check_email_query);      if ($check_email['total'] > 0) {        $error = true;        $messageStack->add('create_account', ENTRY_EMAIL_ADDRESS_ERROR_EXISTS);      }    }    if (strlen($street_address) < ENTRY_STREET_ADDRESS_MIN_LENGTH) {      $error = true;      $messageStack->add('create_account', ENTRY_STREET_ADDRESS_ERROR);    }    if (strlen($postcode) < ENTRY_POSTCODE_MIN_LENGTH) {      $error = true;      $messageStack->add('create_account', ENTRY_POST_CODE_ERROR);    }    if (strlen($city) < ENTRY_CITY_MIN_LENGTH) {      $error = true;      $messageStack->add('create_account', ENTRY_CITY_ERROR);    }    if (is_numeric($country) == false) {      $error = true;      $messageStack->add('create_account', ENTRY_COUNTRY_ERROR);    }    if (ACCOUNT_STATE == 'true') {      $zone_id = 0;      $check_query = tep_db_query("select count(*) as total from " . TABLE_ZONES . " where zone_country_id = '" . (int)$country . "'");      $check = tep_db_fetch_array($check_query);      $entry_state_has_zones = ($check['total'] > 0);      if ($entry_state_has_zones == true) {        $zone_query = tep_db_query("select distinct zone_id from " . TABLE_ZONES . " where zone_country_id = '" . (int)$country . "' and (zone_name like '" . tep_db_input($state) . "%' or zone_code like '%" . tep_db_input($state) . "%')");        if (tep_db_num_rows($zone_query) == 1) {          $zone = tep_db_fetch_array($zone_query);          $zone_id = $zone['zone_id'];        } else {          $error = true;          $messageStack->add('create_account', ENTRY_STATE_ERROR_SELECT);        }      } else {        if (strlen($state) < ENTRY_STATE_MIN_LENGTH) {          $error = true;          $messageStack->add('create_account', ENTRY_STATE_ERROR);        }      }    }    if (strlen($telephone) < ENTRY_TELEPHONE_MIN_LENGTH) {      $error = true;      $messageStack->add('create_account', ENTRY_TELEPHONE_NUMBER_ERROR);    }    if (strlen($password) < ENTRY_PASSWORD_MIN_LENGTH) {      $error = true;      $messageStack->add('create_account', ENTRY_PASSWORD_ERROR);    } elseif ($password != $confirmation) {      $error = true;      $messageStack->add('create_account', ENTRY_PASSWORD_ERROR_NOT_MATCHING);    }    if ($error == false) {      $sql_data_array = array('customers_firstname' => $firstname,                              'customers_lastname' => $lastname,                              'customers_email_address' => $email_address,                              'customers_telephone' => $telephone,                              'customers_fax' => $fax,                              'customers_newsletter' => $newsletter,                              'customers_password' => tep_encrypt_password($password));      if (ACCOUNT_GENDER == 'true') $sql_data_array['customers_gender'] = $gender;      if (ACCOUNT_DOB == 'true') $sql_data_array['customers_dob'] = tep_date_raw($dob);      tep_db_perform(TABLE_CUSTOMERS, $sql_data_array);      $customer_id = tep_db_insert_id();      $sql_data_array = array('customers_id' => $customer_id,                              'entry_firstname' => $firstname,                              'entry_lastname' => $lastname,                              'entry_street_address' => $street_address,                              'entry_postcode' => $postcode,                              'entry_city' => $city,                              'entry_country_id' => $country);      if (ACCOUNT_GENDER == 'true') $sql_data_array['entry_gender'] = $gender;      if (ACCOUNT_COMPANY == 'true') $sql_data_array['entry_company'] = $company;      if (ACCOUNT_SUBURB == 'true') $sql_data_array['entry_suburb'] = $suburb;      if (ACCOUNT_STATE == 'true') {        if ($zone_id > 0) {          $sql_data_array['entry_zone_id'] = $zone_id;          $sql_data_array['entry_state'] = '';        } else {          $sql_data_array['entry_zone_id'] = '0';          $sql_data_array['entry_state'] = $state;        }      }      tep_db_perform(TABLE_ADDRESS_BOOK, $sql_data_array);      $address_id = tep_db_insert_id();      tep_db_query("update " . TABLE_CUSTOMERS . " set customers_default_address_id = '" . (int)$address_id . "' where customers_id = '" . (int)$customer_id . "'");      tep_db_query("insert into " . TABLE_CUSTOMERS_INFO . " (customers_info_id, customers_info_number_of_logons, customers_info_date_account_created) values ('" . (int)$customer_id . "', '0', now())");      if (SESSION_RECREATE == 'True') {        tep_session_recreate();      }      $customer_first_name = $firstname;      $customer_default_address_id = $address_id;      $customer_country_id = $country;      $customer_zone_id = $zone_id;      tep_session_register('customer_id');      tep_session_register('customer_first_name');      tep_session_register('customer_default_address_id');      tep_session_register('customer_country_id');      tep_session_register('customer_zone_id');// restore cart contents      $cart->restore_contents();// build the message content      $name = $firstname . ' ' . $lastname;      if (ACCOUNT_GENDER == 'true') {         if ($gender == 'm') {           $email_text = sprintf(EMAIL_GREET_MR, $lastname);         } else {           $email_text = sprintf(EMAIL_GREET_MS, $lastname);         }      } else {        $email_text = sprintf(EMAIL_GREET_NONE, $firstname);      }      $email_text .= EMAIL_WELCOME . EMAIL_TEXT . EMAIL_CONTACT . EMAIL_WARNING;// ICW - CREDIT CLASS CODE BLOCK ADDED  ******************************************************* BEGIN  if (NEW_SIGNUP_GIFT_VOUCHER_AMOUNT > 0) {    $coupon_code = create_coupon_code();    $insert_query = tep_db_query("insert into " . TABLE_COUPONS . " (coupon_code, coupon_type, coupon_amount, date_created) values ('" . $coupon_code . "', 'G', '" . NEW_SIGNUP_GIFT_VOUCHER_AMOUNT . "', now())");    $insert_id = tep_db_insert_id($insert_query);    $insert_query = tep_db_query("insert into " . TABLE_COUPON_EMAIL_TRACK . " (coupon_id, customer_id_sent, sent_firstname, emailed_to, date_sent) values ('" . $insert_id ."', '0', 'Admin', '" . $email_address . "', now() )");    $email_text .= sprintf(EMAIL_GV_INCENTIVE_HEADER, $currencies->format(NEW_SIGNUP_GIFT_VOUCHER_AMOUNT)) . "\n\n" .                   sprintf(EMAIL_GV_REDEEM, $coupon_code) . "\n\n" .                   EMAIL_GV_LINK . tep_href_link(FILENAME_GV_REDEEM, 'gv_no=' . $coupon_code) .                   "\n\n";  }  if (NEW_SIGNUP_DISCOUNT_COUPON != '') {    $coupon_id = NEW_SIGNUP_DISCOUNT_COUPON;    $coupon_query = tep_db_query("select * from " . TABLE_COUPONS . " where coupon_id = '" . $coupon_id . "'");    $coupon_desc_query = tep_db_query("select * from " . TABLE_COUPONS_DESCRIPTION . " where coupon_id = '" . $coupon_id . "' and language_id = '" . languages_id . "'");    $coupon = tep_db_fetch_array($coupon_query);    $coupon_desc = tep_db_fetch_array($coupon_desc_query);    $insert_query = tep_db_query("insert into " . TABLE_COUPON_EMAIL_TRACK . " (coupon_id, customer_id_sent, sent_firstname, emailed_to, date_sent) values ('" . $coupon_id ."', '0', 'Admin', '" . $email_address . "', now() )");    $email_text .= EMAIL_COUPON_INCENTIVE_HEADER .  "\n\n" .                   $coupon_desc['coupon_description'] .                   sprintf(EMAIL_COUPON_REDEEM, $coupon['coupon_code']) . "\n\n" .                   "\n\n";  }    // ICW - CREDIT CLASS CODE BLOCK ADDED  ******************************************************* END      tep_mail($name, $email_address, EMAIL_SUBJECT, $email_text, STORE_OWNER, STORE_OWNER_EMAIL_ADDRESS);  // BEGIN OUR ADDITION    if (CREATE_CUSTOMER_QB_IIF_FILE) {include(DIR_WS_INCLUDES .'qb_iif_customer.php');}  // end OUR ADDITION// Newsletter subscription begin    if ($newsletter == '1') {      	  $subject = 'signup';      tep_mail('subscribe', 'signup@mysite.com', $subject, '', $name, $email_address);    }// Newsletter subscription end      tep_redirect(tep_href_link(FILENAME_CREATE_ACCOUNT_SUCCESS, '', 'SSL'));    }  }  $breadcrumb->add(NAVBAR_TITLE, tep_href_link(FILENAME_CREATE_ACCOUNT, '', 'SSL'));  $content = CONTENT_CREATE_ACCOUNT;  include(DIR_WS_INCLUDES . 'select_template.php'); // BTSv1.4  require(DIR_WS_INCLUDES . 'application_bottom.php');?>