need help with index.php

my index.php for my mafia game

can anyone edit it so it is not password protected..

<?php
session_start();
include 'includes/db_connect.php';
// *** Validate request to login to this site.
if (($_POST['username']) || ($_POST['password'])){
if(!$_POST['username']){
echo "<div class=prob>- Please enter a username.<br></div>";
}elseif(!$_POST['password']){
echo "<div class=prob>- Please enter a password.<br></div>";
}else{
$username = $_POST['username'];
$password =$_POST['password'];
$sql = mysql_query("SELECT id FROM users WHERE username='$username' AND password='$password' AND activated='1'");
$login_check = mysql_num_rows($sql);
$targetstats = mysql_query("SELECT username, password, status FROM users WHERE username='$username'");
while($ts = mysql_fetch_array($targetstats)){
$username= $ts[0];
$pw = $ts[1];
$status = $ts[2];
}
if($pw!=$password){
echo "Invalid username and password combination";
}elseif($login_check == 0 ){
echo "Invalid username and password combination";
}elseif($pw!=$password){
echo "Invalid username and password combination";
}elseif ($status == "Dead"){
echo "<META HTTP-EQUIV=\"Refresh\" CONTENT=\"0; URL=Dead.php\">";
}elseif ($status == "Banned"){
echo "<link REL=stylesheet TYPE=text/css HREF=includes/in.css>You have been banned!";
exit();
}else{
$_SESSION['username'] = $username;
$_SESSION['password'] = $password;
$now = time();
$domain = $_SERVER['REMOTE_ADDR'];
mysql_query("UPDATE users SET ip='$domain' WHERE username='$username'");
echo "<META HTTP-EQUIV=\"Refresh\" CONTENT=\"0; URL=logged_in.php\">";
}
}
}
if(session_is_registered('username')){
$checkpassword = $_SESSION['password'];
$checkusername = $_SESSION['username'];
$checklogin = mysql_query("SELECT id FROM users WHERE username='$checkusername' AND password='$checkpassword'");
$checkloginrows = mysql_num_rows($checklogin);
if($checkloginrows > 0 ){
echo "<META HTTP-EQUIV=\"Refresh\" CONTENT=\"0; URL=logged_in.php\">";
exit();
}else{
unset($_SESSION['username'],$_SESSION['password']);
}
}
?>
<html>
<head>
<title>Gangster-Town</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<link href="includes/out.css" rel="stylesheet" type="text/css">
<style type="text/css">

</style>
</head>
<body>
<center>
<table width="770" border="0" align="center" cellpadding="0" cellspacing="0">

<tr>
<td height="114" colspan="3" valign="top"><img src="images/bannergoed.gif" alt="banner"></td>
</tr>
<tr>
<td width="178" height="100"> </td>
<td width="402" valign="top"><table width="100%" border="1" align="center" cellpadding="2" cellspacing="0" bordercolor="#000000" class=thinline>

<tr>
<td colspan="2" background="includes/grad.jpg"><div align="center">Login
to Gangster-Town</div></td>
</tr>
<tr>
<form name="form1" method="post" action="index.php">
<td width="190" height="20">Username:</td>
<td width="198"><input name="username" type="text" id="username"></td>
<tr>
<td height="20">Password</td>
<td height="20"><input name="password" type="password" id="password"></td>
</tr>
<tr>
<td height="20"> </td>
<td height="20"><input type="submit" name="Submit" value="Submit"></td>
</tr>
</form>
</table></td>
<td width="190"> </td>
</tr>
<tr>
<td height="14"></td>
<td valign="top"><div align="center"><a href="register.php">Register</a> |
<a href="lost.php">Lost password</a> | <a href="index.php">Login</a></div></td>
<td></td>
</tr>
<tr>
<td height="87"></td>
<td> </td>
<td></td>
</tr>
</table>
</center>
</body>
</html>

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