functions.php

<?php

$custom_header_support = array(
		// The default image to use.
		// The %s is a placeholder for the theme template directory URI.
		'default-image' => '%s/images/headers/path.jpg',
		// The height and width of our custom header.
		'width' => apply_filters( 'twentyten_header_image_width', 980 ),
		'height' => apply_filters( 'twentyten_header_image_height', 224 ),
		// Support flexible heights.
		'flex-height' => true,
		// Don't support text inside the header image.
		'header-text' => false,
		// Callback for styling the header preview in the admin.
		'admin-head-callback' => 'twentyten_admin_header_style',
	);

	add_theme_support( 'custom-header', $custom_header_support );

	if ( ! function_exists( 'get_custom_header' ) ) {
		// This is all for compatibility with versions of WordPress prior to 3.4.
		define( 'HEADER_TEXTCOLOR', '' );
		define( 'NO_HEADER_TEXT', true );
		define( 'HEADER_IMAGE', $custom_header_support['default-image'] );
		define( 'HEADER_IMAGE_WIDTH', $custom_header_support['width'] );
		define( 'HEADER_IMAGE_HEIGHT', $custom_header_support['height'] );
		add_custom_image_header( '', $custom_header_support['admin-head-callback'] );
		add_custom_background();
	}


	// This theme uses wp_nav_menu() in one location.
	register_nav_menus( array(
		'header' => __( 'Header Navigation', 'twentyten' ),
		'footer' => __( 'Footer Navigation', 'twentyten' ),
	) );


// Remove the default menu function
function tnc_remove_default_menu() {
	unregister_nav_menu( 'primary' );
}

add_action('after_setup_theme', 'tnc_remove_default_menu', 11);


// Remove parent theme widgets by calling unregister_sidebar()
function tnc_remove_widgets(){
	unregister_sidebar( 'fourth-footer-widget-area' );
	}
    add_action( 'widgets_init', 'tnc_remove_widgets', 11 );


// Register new widgetized areas
function tnc_widgets_init() {

	// Area 1a, below Area 1 to the left.
	register_sidebar( array(
		'name' => __( 'Left Widget Area', 'twentyten' ),
		'id' => 'left-widget-area',
		'description' => __( 'Left widget area', 'twentyten' ),
		'before_widget' => '<li id="%1$s" class="widget-container %2$s">',
		'after_widget' => '</li>',
		'before_title' => '<h3 class="widget-title">',
		'after_title' => '</h3>',
	) );

	// Area 1b, below Area 1 to the right.
	register_sidebar( array(
		'name' => __( 'Right Widget Area', 'twentyten' ),
		'id' => 'right-widget-area',
		'description' => __( 'Right widget area', 'twentyten' ),
		'before_widget' => '<li id="%1$s" class="widget-container %2$s">',
		'after_widget' => '</li>',
		'before_title' => '<h3 class="widget-title">',
		'after_title' => '</h3>',
	) );



}
/** Register sidebars by running twentyten_widgets_init() on the widgets_init hook. */
add_action( 'widgets_init', 'tnc_widgets_init' );


?>