Untitled

	<body>
    <p class= "Titel"><a class="logo1" > <img src="logo.jpg"  alt="logo" /></a> </p>

	<?php session_start();
	if($_SERVER['REQUEST_METHOD']=='GET')
	{
		$_SESSION["loggedin"] = false;
		$_SESSION["user"] = 'none';
			}
	else if ($_SERVER['REQUEST_METHOD']=='POST')
	{

		switch ($_POST['action'])
		{

			case 'logon':
			{
			$user = $_POST["user"];
			$password = $_POST["password"];
			$message = "" ;

			$db = mysql_connect('localhost','md25849db188597','lDe1YhVw');
			$result=mysql_query($db);
			if (!$db){ die ('Could not connect:' . mysql_error()); exit;}
			$logon = mysql_select_db('logon') or exit ("logon");
			$sql = 'SELECT * FROM users WHERE Username = "'.$user.'"';
			$result = mysql_query($sql);
			if (!$result)
				{echo 'Could not run query: ' . mysql_error(); exit;}
			$line = mysql_fetch_row($result);
			if ($line[1])
			{
				if (strcmp($line[1], $password) == 0 || strcmp ($line[1], md5($password))== 0 )
				{
					$_SESSION["loggedin"] = true;
					$_SESSION["user"] = $_POST["user"];
				}
				else
				{
					echo 'wrong password';
				}
			}
			else
			{
				echo 'wrong username';
			}


			break;
			}
			case'logoff' :
			{
			$_SESSION["loggedin"] = false;
			break;
			}
		}
	}


	if ($_SESSION['loggedin'] == false)
	{
	?>
    <div id="formulier">
	<form method = "post" action="start.php" >
		<table >
			<tr><th colspan = "2"> U moet eerst inloggen voordat u deze pagina(s) kan inzien </th></tr>
			<tr><td> User</td><td><input type="text" id="user" name = "user"/></td></tr>
			<tr><td> Password</td><td><input type="password" id="password" name= "password" /></td></tr>
			<tr><td  colspan = "2"><input type="submit" name= "action" value="Login"/><input name = "reset" type="reset" value="Reset" /></td></tr>

		</table>
	</form>

	<?PHP } ?>
	</div>

	</body>