Import Customers by csv file in Magento

Import Customers by csv file in Magento
here i developed script to import customers in magento by csv file.
csv file have following columns
########customerid (unique key) accesskey (customer type) emailaddress password firstname lastname companyname billingaddress1 city state postalcode country phonenumber faxnumber
###########

here i didn't use any magento's core file.

code is given below,i hope it will help you :)
set_time_limit(36000);
error_reporting(0);
/**
* @Use Script to import customer's data in Magento Database
* @createDate Mar 2010
* @author Manoj Ninave (manojninave@gmail.com)
**/

define("DB_HOST","localhost",TRUE); // database server name
define("DB_USER","root",TRUE); // database user
define("DB_PASS","",TRUE); // database user's password
define("DB_NAME","dbname",TRUE); // database name
require_once('db.class.php');

if( !isset($db_obj) ) {
$db_obj = new db;
}

$db_conect = $db_obj->connect();
//function to take country code from magento
//if the countr code are already in your csv file then //don't use this function.
function getCountryCode($countryName)
{
$xml = simplexml_load_file("territories.xml");
foreach($xml as $a => $b)
{
if($b == $countryName)
{
foreach($b->attributes() as $c)
{
return $c ;
}
}
}
}
echo "*******************Customer Import Module********************";
$file_handle = fopen("customers.csv", "r");
$i=0;

while (!feof($file_handle) ) {

$line_of_text = fgetcsv($file_handle, 1024);

if($i > 0)
{
$customerid =addslashes($line_of_text[0]);
$accesskey =addslashes($line_of_text[1]);
$emailaddress =addslashes($line_of_text[2]);
$password =md5($line_of_text[3]);
$firstname =addslashes($line_of_text[4]);
$lastname =addslashes($line_of_text[5]);
$companyname =addslashes($line_of_text[6]);
$billingaddress1 =addslashes($line_of_text[7]);
$billingaddress2 =addslashes($line_of_text[8]);
$city =addslashes($line_of_text[9]);
$state =addslashes($line_of_text[10]);
$postalcode =addslashes($line_of_text[11]);
$country =addslashes($line_of_text[12]);
$phonenumber =addslashes($line_of_text[13]);
$faxnumber =addslashes($line_of_text[14]);
$paysstatetax =addslashes($line_of_text[15]);
$taxid =addslashes($line_of_text[16]);
$emailsubscriber =addslashes($line_of_text[17]);
$percentdiscount =addslashes($line_of_text[18]);
$websiteaddress =addslashes($line_of_text[19]);
$discountlevel =addslashes($line_of_text[20]);
$customer_isanonymous =addslashes($line_of_text[21]);
$issuperadmin =addslashes($line_of_text[22]);
$allow_access_to_private_sections =addslashes($line_of_text[23]);
$customer_notes =addslashes($line_of_text[24]);
$Today = date("Y-m-d H:i:s");
$country_code = getCountryCode($country);

$sql_email = $db_obj->query("SELECT email from customer_entity where email='".$emailaddress."'",$db_conect);
$num_email = $db_obj->num_rows($sql_email);

if(!$emailaddress=="" && $num_email<=0) { $db_obj->query("INSERT INTO customer_entity(entity_type_id,attribute_set_id,website_id,email,group_id,increment_id,store_id,created_at,updated_at,is_active) VALUES (1,0,1,'".$emailaddress."',1,'',1,'".$Today."','".$Today."',1)",$db_conect);
//$increament_id++;

$sql_parent_id = $db_obj->query("SELECT max(entity_id) as id from customer_entity",$db_conect);

$rs_parent_id = $db_obj->fetch_array($sql_parent_id);
$parentId = $rs_parent_id['id'];

$db_obj->query("UPDATE customer_entity SET increment_id='".$parentId."' WHERE entity_id='".$parentId."'",$db_conect);

$db_obj->query("INSERT INTO customer_address_entity(entity_type_id,attribute_set_id,parent_id,created_at,updated_at,is_active) VALUES (2,0,'".$parentId."','".$Today."','".$Today."',1)",$db_conect);

$sql_max_entity_id = $db_obj->query("SELECT max(entity_id) as id from customer_address_entity",$db_conect);

$rs_max_entity_id = $db_obj->fetch_array($sql_max_entity_id);
$maxentityId = $rs_max_entity_id['id'];

$db_obj->query("INSERT INTO customer_address_entity_text(entity_type_id,attribute_id,entity_id,value) VALUES (2,23,'".$maxentityId."','".$billingaddress1."')",$db_conect);

$db_obj->query("INSERT INTO customer_address_entity_varchar(entity_type_id,attribute_id,entity_id,value) VALUES
(2,18,'".$maxentityId."','".$firstname."'),
(2,20,'".$maxentityId."','".$lastname."'),
(2,22,'".$maxentityId."','".$companyname."'),
(2,29,'".$maxentityId."','".$phonenumber."'),
(2,30,'".$maxentityId."','".$faxnumber."'),
(2,24,'".$maxentityId."','".$city."'),
(2,26,'".$maxentityId."','".$state."'),
(2,28,'".$maxentityId."','".$postalcode."'),
(2,25,'".$maxentityId."','".$country_code."')",$db_conect);

$db_obj->query("INSERT INTO customer_entity_int(entity_type_id,attribute_id,entity_id,value) VALUES
(1,13,'".$parentId."','".$maxentityId."'),
(1,14,'".$parentId."','".$maxentityId."')",$db_conect);

$db_obj->query("INSERT INTO customer_entity_varchar(entity_type_id,attribute_id,entity_id,value) VALUES
(1,5,'".$parentId."','".$firstname."'),
(1,7,'".$parentId."','".$lastname."'),
(1,3,'".$parentId."','Default Store View'),
(1,12,'".$parentId."','".$password."')",$db_conect);
}
}
$i++;
}

fclose($file_handle);
echo "Customer Imported Successfully.";