/**
 * current
 * 
 * Copyright (c) 2010 Kyosuke Nakamura (kyosuke.jp)
 * Licensed under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 */

$(function(){
	$('#sidebar a[href]').each(function(){
		var a = $(this);
		var href = a.attr('href');
		if (absolutePath(href) === location.href) { 
			a.find('img').each(function(){
				var img = $(this);
				var src = img.attr('src');
				var currentSrc = src.replace('.gif', '_o.gif');
				img.attr('src', currentSrc)
			});
		}
	});
	function absolutePath(path){
		var e = document.createElement('span');
		e.innerHTML = '<a href="' + path + '" />';
		return e.firstChild.href;
	}
});