my login page is not working in live server

[vj_maple]

Hi,

 

  i am currently working on a bidding site.The problem i have it here is in login section.Actually my login script works well in my localhost but in live server its not working.Can anyone give me the solution for this.Here's the script

 

if( isset( $_POST['usernam'] ) && isset( $_POST['password'] ) ){  // Added by Mhike

  if(strlen($_POST['usernam']) > 0 && strlen($_POST['password']) > 0 ){

    //validate fields

    $usr = trim($_POST['usernam']);

    $pwd = trim($_POST['password']);

 

    $pwd = DeCrypt($pwd,$rc4Key);

 

    //login check

    $q = " SELECT idCust, username, status

        FROM customer

        WHERE username = '$usr'

        AND password = '$pwd'

        ";

 

    $rs = $dba->Execute($q);

 

    if($rs){

    $res = $rs->FetchObject(false);

    }

 

    if($res->username == false){

      $err = 'User name or password is invalid!';

    } else if(strtolower($res->status) == 'i'){

        $err = 'Your account is not yet activated, please check your email and activate your account!';

      } else {

 

        //log to main page

 

        $_SESSION['user'] = $res->username;       

        setcookie("user_cookie",$_SESSION['user'],time()+60*60*24*30);

        $_SESSION['user_id'] = $res->idCust;

 

        header('Location: index.php');

 

      }

 

  }

[gizmola]

You need to provide more information other than "it doesn't work."