Automatically checks the "Remember Me" box on the WordPress login page

rememeber-me-checked.php

<?php
/**
 * Plugin Name: Remember Me Checked
 * Plugin URI: http://bungeshea.com/remember-me-checked/
 * Description: Automatically checks the "Remember Me" box on the WordPress login page
 * Author: Shea Bunge
 * Author URI: http://bungeshea.com
 * Version: 1.0
 */

if( ! function_exists( 'remember_me_checked' ) ) :
 
function remember_me_checked() {
    ?>
    <script type="text/javascript">
        function checkit() {
            document.getElementById('rememberme').checked = true;
        }
        window.onload = checkit;
    </script>
    <?php
}
 
add_action( 'login_head', 'remember_me_checked' );
 
endif;