resetpass.php

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<div id="body" class="container-fluid">
<div class="login-box animated fadeInUp">
            <div class="box-header">
                <h2>Account Recovery</h2>
            </div>

            <?php
            $AccountID = $_POST['username'];
            $answer = $_POST['answer'];
            $pass = $_POST['password'];


            $pass = md5($pass);


            include_once 'dbconfig.php';

             $sql= mysql_query("SELECT * FROM account WHERE account_id='$AccountID' AND answer='$answer'");
             if (mysql_num_rows($sql))
             {
             $sql2 = mysql_query("UPDATE account SET account_pwd='$pass' WHERE account_id='$AccountID' AND answer='$answer'");
             echo "<label>Your password has been updated successfully!</label><br />";
             }else{
                 echo "<label>Please check the information and try again</label>";
             }
             mysqli_close();

            ?>

            <form method="get" action="login.html">
    <button type="submit">Continue</button>
</form>
        </div>
    </div>

</div>


<script>
    $(document).ready(function () {
        $('#logo').addClass('animated fadeInDown');
        $("input:text:visible:first").focus();
    });
    $('#username').focus(function() {
        $('label[for="username"]').addClass('selected');
    });
    $('#username').blur(function() {
        $('label[for="username"]').removeClass('selected');
    });
    $('#password').focus(function() {
        $('label[for="password"]').addClass('selected');
    });
    $('#password').blur(function() {
        $('label[for="password"]').removeClass('selected');
    });
</script>

</html>