WP Menus

Hi, I’m trying to understand the whole menu thing, but still not sure where ti place things, hope somebody can send me in the right path, so here I go:

In my functions.php I got this:

add_theme_support('nav-menus'); if ( function_exists('register_nav_menus')) {
register_nav_menus( array(
'main' => 'Main Nav'
) );
}

Then, I have the menu structure like this:

<div class="navbar">
<div class="navbar-inner">
<div class="container">
<ul class="nav">
<li class="active"><a href="#">Main Item</a></li>
<li><a href="#">Item</a></li>
<li><a href="#">Item</a></li>
<li><a href="#">Item</a></li>
</ul>
</div>
</div>
</div>

Then I have this, I assume, to call the dynamic menu:

<?php wp_nav_menu( array('menu' => 'Main', 'container' => 'nav' )); ?>

So, at this point all what I have, those separated elements are ok, the question is, where is this going to be placed: <?php wp_nav_menu( array(‘menu’ => ‘Main’, ‘container’ => ‘nav’ )); ?> or what should I do in order to make the dynamic menu works with my styles?

Thanks in advance!

Arturo