Untitled

<?php
	session_start();
	ob_start();
	include '../_inc/loader.php';
?>

<html>
<head>
<title>PersonalCMS - Administration</title>

<meta http-equiv="X-UA-Compatible" content="IE=9" />

<link href="_style/style.css" rel="stylesheet" type="text/css">

</head>
</html>

<?php
	if($user->loggedIn()) {
		echo header("Location: _dashboard/index.php");
	} else {
		if(isset($_POST['username']) || isset($_POST['password'])) {
			$username = $security->data($_POST['username']);
			$password = $security->encrypt($_POST['password']);
			$user1 = $db->query("SELECT * FROM `users` WHERE `username` = '{$username}' && `password` = '{$password}'");
			$usernum = $db->num($user1);
			if($usernum == 0) {
				?>
					<html>
						<body>
							<div id="login_box">
								<div id="inner_login_box">
										<br /><br />
										<img src="_style/images/wrong_logo.png" />
										<br /><br />
										<form action="login.php" method="post">
										<input type="text" name="username" id="username" value="Username" class="text_field" onclick="this.value = ''"/>
										<input type="password" name="password" id="password" value="Password" class="text_field" onclick="this.value = ''"/>
										<input type="submit" value="Login" class="text_button" />
										</form>
								</div>
							</div>
							<br /><br />
							<div class="red_text">
								Incorrect information! Please try again!
							</div>
						</body>
					</html>
				<?php
				} else {
					$_SESSION['username'] = $username;
					$_SESSION['password'] = $password;
					header("Location: _dashboard");
				}
			}
			elseif(empty($_POST['username']) || empty($_POST['password'])) {
				?>
					<html>
						<body>
							<div id="login_box">
								<div id="inner_login_box">
										<br /><br />
										<img src="_style/images/wrong_logo.png" />
										<br /><br />
										<form action="login.php" method="post">
										<input type="text" name="username" id="username" value="Username" class="text_field" onclick="this.value = ''"/>
										<input type="password" name="password" id="password" value="Password" class="text_field" onclick="this.value = ''"/>
										<input type="submit" value="Login" class="text_button" />
										</form>
								</div>
							</div>
							<div class="red_text">
								Field left blank! Please try again!
							</div>
						</body>
					</html>
				<?php
			}
			?>
			<html>
				<body>
					<div id="login_box">
						<div id="inner_login_box">
							<br /><br />
							<img src="_style/images/logo.png" />
							<br /><br />
							<form action="login.php" method="post">
							<input type="text" name="username" id="username" value="Username" class="text_field" onclick="this.value = ''"/>
							<input type="password" name="password" id="password" value="Password" class="text_field" onclick="this.value = ''"/>
							<input type="submit" value="Login" class="text_button" />
							</form>
						</div>
					</div>
				</body>
			</html>
		<?php
	}
?>