(FLASH) IAD Login and CMS

stop();
/*import flash.display.MovieClip;
import fl.events.*;
import flash.events.*;
import flash.net.NetConnection;
import flash.net.Responder;

    var gateway:String = "http://localhost/amfphp1.9/gateway.php";
    var connection:NetConnection;
    var responder:Responder;*/
      
      
         btnlogin.addEventListener(MouseEvent.CLICK, processLogin);
         responder = new Responder(onResult, onFault);
         connection = new NetConnection;
         connection.connect(gateway);
         
function processLogin (e: MouseEvent): void {
   var username: String;
   var password: String;
   
   username = txtUsername.text;
   password = txtPassword.text;
   
   if (username.length == 0)
      lblerror.text = "Please enter your username";
   else if (password.length == 0)
      lblerror.text = "Please enter your password";
   else {
      lblerror.text = "";
      submitLogin (username, password);
   }
}   

function submitLogin(username:String, password:String):void
{
   connection.call("bsl_accounts.checkLogin", responder, username, password);
}

function onResult(results:Object):void
{
   if (results.length == 0)
       lblerror.text = "Wrong userID or Password.";
   else
       gotoAndStop("Admin");
      
}

function onFault(responds:Object):void
{   
   for(var i in responds)
   {
      trace("[" + i + "]\t" + responds[i]);
   }
}

<?php

class bsl_accounts
{

   // Database info
   private $dbHost = "localhost";
   private $dbUser = "root";
   private $dbPass = "";
   private $dbName = "bsl_db";
   
   private $_connection = null;
   
   function bsl_accounts()
   {

      $this->methodTable = array
      (
         "connect" => array
         (
            "access" => "private"
         ),
         "checkLogin" => array
         (
            "access" => "remote",
            "description" => "bsl_accounts."
         ),
      );
   }
   
   /**
    * @access private
    * @desc Connect to database - **PRIVATE**
    */
   function connect()
   {
      
      if($this->_connection == null)
      {
         $this->_connection = mysql_connect(
            $this->dbHost,
            $this->dbUser,
            $this->dbPass
         );
         mysql_select_db($this->dbName, $this->_connection);
      }
      
   }
   
   /**
    * List of books.
    */
   function checkLogin($username, $password)
   {
      $this->connect();
      
      $sql = "SELECT * FROM accounts WHERE username = '" . $username . "' AND password = '" . $password . "'";
      
      $result = mysql_query($sql, $this->_connection);
      
      $rows = array();
      
      while($row = mysql_fetch_array($result, MYSQL_ASSOC))
      {
         array_push($rows, $row);
      }
      
      return $rows;
   }

}
?>