window.onload = init;
var HoverLiId = null;
function init() {
    if (CheckUrl("topics")==-1&&CheckUrl("news") ==-1&&CheckUrl("ebook")==-1&&Check2()) {
        HoverLiId = "li" + 0;
        setclass(HoverLiId);
    }
    else if (CheckUrl("news") != -1&&Check("198631f3-d8cc-4a85-8a1f-10c905106281") == -1) {
        HoverLiId = "li" + 1;
        setclass(HoverLiId);
    }
    else if (CheckUrl("topics") != -1&&Check2()) {
        HoverLiId = "li" + 2;
        setclass(HoverLiId);
    }
    else if (CheckUrl("ebook")!=-1&&Check2()) {
        HoverLiId = "li" + 3;
        setclass(HoverLiId);
    }
    else if (Check("198631f3-d8cc-4a85-8a1f-10c905106281") != -1) {
        HoverLiId = "li" + 4;
        setclass(HoverLiId);
    }
    else if (Check("PicDetail") != -1) {
        HoverLiId = "li" + 5;
        setclass(HoverLiId);
    }
    else {
        HoverLiId = null;
        setclass(HoverLiId);
    }
}
function setclass(id) {
    if (id != null) {
        document.getElementById(id).className = "current";
    }
    
}

//匹配字符串
function Check(urlname) {
    var url = window.location.toString();
    var i = url.lastIndexOf("/");
    return url.substring(i + 1, url.length).toString().toLowerCase().indexOf(urlname)
}

function Check2(){
var url = window.location.toString();
    var i = url.lastIndexOf("/")+1;
    return i==url.length;
}

function CheckUrl(urlname){
 var url = window.location.toString();
    return url.indexOf(urlname);
}