Wordpress Sidebar Login Script

<?php
  global $user_ID, $user_identity;
  get_currentuserinfo();
  if (!$user_ID):
?>
<form name="loginform" id="loginform" action="<?php echo get_settings('siteurl'); ?>/wp-login.php" method="post">
    <label><?php _e('Login') ?>:<br /><input type="text" name="log" id="log" value="" size="20" tabindex="7" /></label><br />
    <label><?php _e('Password') ?>:<br /> <input type="password" name="pwd" id="pwd" value="" size="20" tabindex="8" /></label><br />
    <input type="submit" name="submit" value="<?php _e('Login'); ?> &raquo;" tabindex="10" />
    <?php wp_register('', ''); ?>
    <input type="hidden" name="redirect_to" value="<?php echo $_SERVER['REQUEST_URI']; ?>"/>
</form>
<?php
  else:
?>
 
    <ul>
    <?php wp_register(); ?>
    <li><a href="<?php echo get_settings('siteurl') . '/wp-login.php?action=logout&amp;redirect_to=' . $_SERVER['REQUEST_URI']; ?>"><?php _e('Logout'); ?></a></li>
    </ul>
<?php
  endif;
?>