在另一个模板中使用ajax调用/重新加载智能模板

I have a div in my smarty template, into which I want to call a PHP file via ajax which will fetch/display another template file. This will contain a list of pages on a site which will be ordered, and you can click up/down arrows to reorder them so I need it to reload the same template after each click.I have a div in my smarty template, into which