Frontend login

I have a good login for the frontend, but I’m having trouble getting it to recognize when the user is logged out/when no one is logged in.

Here’s the code:

<?php if ( $current_user ) : ?>
<?php elseif ( get_option('users_can_register') ) : ?>

<form action="<?php bloginfo('url') ?>/wp-login.php" method="post" id="login-form">
<h3>Login</h3><p>
<input type="text" name="log" id="username"  size="22" value="<?php echo wp_specialchars(stripslashes($user_login), 1) ?>" /><br />
<input type="password" name="pwd" id="password" size="22" /><br />
<input type="submit" name="submit" value="Send" id="login-button"/>
</p>
<input type="hidden" name="redirect_to" value="<?php echo $_SERVER['REQUEST_URI']; ?>" />
</form>

<?php global $user_ID, $user_identity, $user_level, $user_ID;
		global $current_user;
		get_currentuserinfo();
 ?>

<div id="loggedin-title">Logged In</div>
<div id="loggedin">
		<?php echo get_avatar( $current_user->ID, $size = '80' );  ?>
		<h4><?php echo $current_user->user_firstname; ?></h4>
<ul id="list">
    	<li><a href="<?php bloginfo('url') ?>/wp-admin/">Dashboard</a></li>
		<?php if ( $user_level >= 1 ) : ?>
        <li><a href="<?php bloginfo('url') ?>/wp-admin/post-new.php">Write a Post</a></li>
        <?php endif // $user_level >= 1 ?>
        <li><a href="<?php bloginfo('url') ?>/wp-login.php?action=logout&redirect_to=<?php echo urlencode($_SERVER['REQUEST_URI']) ?>">Exit</a></li>
    </ul>
<div style="clear:both;"></div>
</div>
<div id="loggedin-bottom"></div>
<?php endif  //get_option('users_can_register') ?>

Any ideas?
I know that $user_ID is an old tag and I’m not 100% sure how to use get_currentuserinfo. I’m not sure if that matters.