**mysql_query() [function.mysql-query]: Access denied for user 'SYSTEM'@'localhost' (using password: NO) in C:\wamp\www\photo_gallery\includes\database.php on line 56

Warning: mysql_query() [function.mysql-query]: A link to the server could not be established in C:\wamp\www\photo_gallery\includes\database.php on line 56

The Query has problemAccess denied for user 'SYSTEM'@'localhost' (using password: NO) i have set the password for root and grant privilege all for root.Why it soes show like SYSTEM@localhost i dont have SYSTEM .**

class MySQLDatabase { public $connection; function _construct() { $this->open_connection(); } public function open_connection() { /* $DB_SERVER = "localhost"; $DB_USER = "root"; $DB_PASS = ""; $DB_NAME = "photo_gallery";*/ $this->connection = mysql_connect($DBSERVER,$DBUSER,$DBPASS); if(!$this->connection) { die("Database Connection Failed" . mysql_error()); } else { $db_select = mysql_select_db($DBNAME,$this->connection); if(!$db_select) { die("Database Selection Failed" . mysql_error()); } } } function mysql_prep($value) { if (get_magic_quotes_gpc()) { $value = stripslashes($value); } // Quote if not a number if (!is_numeric($value)) { $value = "'" . mysql_real_escape_string($value) . "'"; } return $value;

}
public function close_connection()
{
    if(isset($this->connection))
    {
        mysql_close($this->connection);
        unset($this->connection);
    }
}
public function query($sql)
{
    //$sql = "SELECT*FROM users where id = 1";
    $result = mysql_query($sql);
    $this->confirm_query($result);

    //$found_user = mysql_fetch_assoc($result);
    //echo $found_user;
    return $found_user;
}
private function confirm_query($result)
{
    if(!$result)
    {
        die("The Query has problem" . mysql_error());
    }
}

}

$database = new MySQLDatabase();

?>