$(function() {
	$('div.art-nav ul:not(div.art-nav ul ul)').addClass('art-menu')
		.children('li').children('a')
			.wrapInner('<span class="t"></span>')
			.prepend('<span class="l"></span><span class="r"></span>');
	$('ul.art-menu > li').has('a#current-page').children('a').addClass('active');
});