combine.js

setupMenus();
	
	$( window ).resize( function() {
	  setupMenus();
	});
	
	function setupMenus () {
	  
	  if ( window.innerWidth <= 768 ) {
	    $( 'ul.menu-secondary > li' ).addClass('moved-item'); //tag moved items so we can move them back
	    $( 'ul.menu-secondary > li' ).appendTo( 'ul.menu-primary' );
	    $( '.nav-secondary' ).hide();
	  }
	  
	  if ( window.innerWidth > 768 ) {
	    $( '.nav-primary .genesis-nav-menu, nav .sub-menu' ).removeAttr( 'style' );
	    $( '.responsive-menu > .menu-item' ).removeClass( 'menu-open' );
	    $( '.nav-secondary' ).show();
	    $( 'ul.menu-primary > li.moved-item' ).appendTo( 'ul.menu-secondary' );
	  }
	  
	}