RobGenesis

/** Reposition header outside main wrap */
remove_action( 'genesis_header', 'genesis_header_markup_open', 5 );
remove_action( 'genesis_header', 'genesis_do_header' );
remove_action( 'genesis_header', 'genesis_header_markup_close', 15 ) ;

add_action( 'genesis_before', 'genesis_header_markup_open', 5 );
add_action( 'genesis_before', 'genesis_do_header' );
add_action( 'genesis_before', 'genesis_header_markup_close', 15 );


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The above code re positioned my header div outside the main wrap div.
By default it looks like this:

<div class="wrap">
<header></header>
<div class="inner"></div>
<div class="footer"></div>
</div>

after putting the above code in functions.php the structure will look like this:

<header></header>
<div class="wrap">
<div class="inner"></div>
<div class="footer"></div>
</div>

What im asking now is:

Is it possible to add a new div wrapper in my header div?
I want the structure to look like this:

<div class="header-wrap"><header></header></div>
<div class="wrap">
<div class="inner"></div>
<div class="footer"></div>
</div>

Thanks!