var nav_id = 0;
var nav_menus = new Array();
nav_menus[1] = new Array("1,童年资讯","2,科教文化","5,健康安全","4,食在童年","7,音图故事","3,穿在童年","6,生活玩用","8,父母频道");
nav_menus[2] = new Array("10,作文作品","11,成长日记","12,文摘故事","91,科技自然","92,搞笑游玩","15,音视图画","16,学习教育","18,日常生活","144,随想偶感","94,父母见闻","96,抚育日记","97,亲子絮语");
nav_menus[3] = new Array("20,童年星秀","21,艺术写真","22,户外影像","24,偶像明星","23,生活学习","25,漫画卡通","27,自然世象","28,轻松搞笑");
nav_menus[4] = new Array("82,明星粉丝","83,文学艺术","85,游戏动漫","80,校班同城","81,课业学习","84,影音娱乐","86,科学技术","87,为人父母");
nav_menus[5] = new Array("60,童年秀秀","64,音乐歌曲","66,游戏动漫","62,家庭朋友","63,影视片段","65,搞笑综娱","67,校园学生","61,生活短片");
nav_menus[7] = nav_menus[5];
nav_menus[8] = new Array("137,酷图靓图","138,漫画卡通","139,儿童歌曲","140,故事笑话");
nav_menus[14] = new Array("105,百科博览","133,童年问答","106,学习教育","107,作业考试","108,文化艺术");
nav_menus[17] = new Array("141,父母博客","142,父母社区","125,父母新闻","126,父母必读","127,育儿经验");
function changeNav(id){
	if(id != nav_id) {
		var str = "";
		if(nav_menus[id] != null) {
			for(i = 0;i < nav_menus[id].length;i++){
				var str_a = nav_menus[id][i].split(",");
				str += "<a href='" + siteUrl + "/?action-category-catid-" + str_a[0] + "'>" + str_a[1] + "</a>\n";
			}
		}
		document.getElementById('nav_sub').innerHTML = str;
		if(nav_id != 0) {
			document.getElementById('nav_l_' + id).className = "nav_lstsel";
			document.getElementById('nav_l_' + nav_id).className = "nav_lst";
		}
		nav_id = id;
	}
}