<?php session_start(); //ob_start(); if (@$_SESSION["Username"]) { header('location: administrator.php'); } require 'config.php'; require DIR . 'class.quantri.php'; $qt = new quantri(); if (isset($_POST["btnLogin"])) { $un = $_POST["un"]; $pa = $_POST["pa"]; $kiemtra = $qt->KiemTraLogin($un, $pa); if ($kiemtra == true) { header("location:administrator.php"); } else { $error = "Tên đăng nhập hoặc mật khẩu sai.<br />"; } } ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Untitled Document</title> </head> <body> <form id="form1" name="form1" method="post" action=""> <div style="width:240px; height:260px; background:url(img/bg-dangnhap.gif) repeat-x; padding:10px; border:solid 1px #a9c1d4; margin-left:auto; margin-right:auto">