Get menu name from parent page

I'd like to keep the amount of page templates to a minimum in a theme I am creating but would like to add the ability to have secondary menus on a page based on which page the user is on.

For instance, we'll always have the primary navigation at the top of the page.

But I'd like to build separate menus that the user can custom create in the appearance >> menus area.  

I'd then like to add some dynamic code in my page.php template that determines which parent page we are on, then displays any extra navigation if there is one or goes to a default otherwise.  

I'm looking for some pointers on how to select the secondary navigation menus because I am not adding them into a location in the menus area.  Mainly, needing to create a variable for the menu name, then use that variable to select a menu with wp_nav_menu();
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jrm213jrm213Connect With a Mentor Commented:
OmniUnlimited is on the right track and what he posted will work, but this kind of setup get's tedious to continue updating as you add pages or need to make changes, especially if you have other users who are not used to editing code working with the site.

I would recommend instead adding a custom field that takes the name of the secondary menu that you want to display as it's value. Read that custom field and if it is there, use it to display the menu.

This way any editor could choose to add or remove a secondary menu for a page, and even create the menu and just use it's name in that custom field, and they wouldn't have to edit any code.
I would think that all you'd need to do is set up a switch statement in your template based off the page id:

global $wp_query;

switch ($wp_query->post->ID) {
     case 127:
           $theme_location = 'sidebar_menu';
           $menu = 'boss_sidebar_menu';
     case 142:
           $theme_location = 'top_menu';
           $menu = 'custom_top_menu';

$defaults = array(
	'theme_location'  => $theme_location,
	'menu'            => $menu,
	'container'       => 'div',
	'container_class' => '',
	'container_id'    => '',
	'menu_class'      => 'menu',
	'menu_id'         => '',
	'echo'            => true,
	'fallback_cb'     => 'wp_page_menu',
	'before'          => '',
	'after'           => '',
	'link_before'     => '',
	'link_after'      => '',
	'items_wrap'      => '<ul id="%1$s" class="%2$s">%3$s</ul>',
	'depth'           => 0,
	'walker'          => ''

wp_nav_menu( $defaults );

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axessJoshAuthor Commented:
Thanks JRM,

I was trying to avoid using custom fields but you are correct, that is probably the simplest way to handle it and not have to deal with getting into the code with future updates.

This may need a second question, but any thoughts on how to display the menu title with the menu?
Thanks for the points, I would have split the points between me and omniunlimited though.

You could try this for getting the title:
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