Weblabor

<td>&nbsp;</td>
<td><input type="submit" name="Submit" value="Login" class=form></td>
</tr>
</table>
</form>
<?php
if($_POST['Submit']){
$user = $_POST['user'];
$pass = $_POST['pass'];
$pass_md5 = md5($pass);
include("config.php");

if(empty($user)){
echo "Please, insert an username.<br>
<a href=?id=login>Go Back</a>.";
die();
};

if(empty($pass)){
echo "Please, insert a password.<br>
<a href=?id=login>Go Back</a>.";
die();
};

$ok = mysql_query("SELECT * FROM `forum_users` WHERE user='$user' and pass='$pass_md5'")
or die ("Wrong Password and Username combination, please, <a href=login.php>go back</a> and try again, or register <a href=register.php>here</a> for free if you dont have an account");
$worked = mysql_fetch_array($ok);
if($worked){
$r = mysql_fetch_array(mysql_query("SELECT * FROM `forum_users` WHERE user='$user'and pass='$pass_md5'"));
$signature = "$r[signature]";
setcookie ("forum",$user,time()+1957240);