gistfile1.txt

add_action('admin_menu', 'my_menu_pages');

function my_menu_pages(){
	
    add_menu_page		('Adicionar', 'Adicionar contato', 'manage_options', 'add-contato', 'my_custom_add_page', '', 4);

    add_submenu_page	('Editar', 'Editar contato', 'Editar contato', 'manage_options', 'edit-contato', 'my_custom_sub_edit_page' );

    add_submenu_page	('Deletar', 'Submenu Page Title2', 'Whatever You Want2', 'manage_options', 'del-contato', 'my_custom_sub_del_page');
	
}

function my_custom_add_page(){
                echo '<div class="wrap"><div id="icon-options-general" class="icon32"><br></div>
                <h2>Theme</h2></div>';
				require("add-contato.php");
}

function my_custom_sub_edit_page(){
                echo '<div class="wrap"><div id="icon-options-general" class="icon32"><br></div>
                <h2>Theme</h2></div>';
				require("edit-contato.php");
}

function my_custom_sub_del_page(){
                echo '<div class="wrap"><div id="icon-options-general" class="icon32"><br></div>
                <h2>Theme</h2></div>';
				require("del-contato.php");
}