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Viewing: /home/atwiofrxug/mylittletelaviv/wp-content/themes/twentytwelve/js/navigation.js

/**
 * Handles toggling the navigation menu for small screens and
 * accessibility for submenu items.
 */
( function() {
	var nav = document.getElementById( 'site-navigation' ), button, menu;
	if ( ! nav ) {
		return;
	}

	button = nav.getElementsByTagName( 'button' )[0];
	menu   = nav.getElementsByTagName( 'ul' )[0];
	if ( ! button ) {
		return;
	}

	// Hide button if menu is missing or empty.
	if ( ! menu || ! menu.childNodes.length ) {
		button.style.display = 'none';
		return;
	}

	button.onclick = function() {
		if ( -1 === menu.className.indexOf( 'nav-menu' ) ) {
			menu.className = 'nav-menu';
		}

		if ( -1 !== button.className.indexOf( 'toggled-on' ) ) {
			button.className = button.className.replace( ' toggled-on', '' );
			menu.className = menu.className.replace( ' toggled-on', '' );
		} else {
			button.className += ' toggled-on';
			menu.className += ' toggled-on';
		}
	};
} )();

// Better focus for hidden submenu items for accessibility.
( function( $ ) {
	$( '.main-navigation' ).find( 'a' ).on( 'focus.twentytwelve blur.twentytwelve', function() {
		$( this ).parents( '.menu-item, .page_item' ).toggleClass( 'focus' );
	} );

  if ( 'ontouchstart' in window ) {
    $('body').on( 'touchstart.twentytwelve',  '.menu-item-has-children > a, .page_item_has_children > a', function( e ) {
      var el = $( this ).parent( 'li' );

      if ( ! el.hasClass( 'focus' ) ) {
        e.preventDefault();
        el.toggleClass( 'focus' );
        el.siblings( '.focus').removeClass( 'focus' );
      }
    } );
  }
} )( jQuery );