WordPress widget not showing up

I’ve followed the tutorial correctly and it still doesn’t show up. I’m trying to use the Event Geek widget for WordPress but nothing shows up. I’ve used firebug and nothing is being returned, where did i go wrong?

I put this in my functions.php

if(function_exists('register_sidebar')) {
    register_sidebar(array(
        'name' => 'Calendar Area',
        'id'   => 'calendar-area',
        'description'   => 'This is a widgetized area.',
        'before_widget' => '<div id="%1$s" class="widget %2$s">',
        'after_widget'  => '</div>',
        'before_title'  => '<h4>',
        'after_title'   => '</h4>'
    ));
}   

Here is my sidebar.php

<ul id="sidebar" >
<?php 
if(function_exists('dynamic_sidebar') || ! dynamic_sidebar('calendar-area') ) : ?>
<?php endif; ?>
</ul>

Here is where i use get_sidebar();

<div id="popup-right">
            <div id="popup-title">Upcoming Events</div>
            <?php

            get_sidebar();
        ?>



        </div>

How do i solve this, so the calendar will appear?