var address = document.location.href.toLowerCase();
var pageNames = "default,news|newsdetail,product|productdetail,down,guestbook,case";
var pageIDs = "Default,News,Product,Down,GuestBook,Case";
var nameArr = pageNames.split(",");
var idArr = pageIDs.split(",");
var on = false;
for (i = 0; i < nameArr.length; i++) {
    if (nameArr[i].indexOf("|") > -1) {
        var arr2 = nameArr[i].split("|");
        for (j = 0; j < arr2.length; j++) {
            if (address.indexOf(arr2[j]) > -1) {
                var obj = document.getElementById(idArr[i]);
                obj.className = "menuOn";
                on = true;
                break;
            }
        }
    }
    else {
        if (address.toLowerCase().indexOf(nameArr[i]) > -1) {
            var obj = document.getElementById(idArr[i]);
            obj.className = "menuOn";
            on = true;
            break;
        }
    }
    if (on) {
        break;
    }
}
if (!on) {
    document.getElementById("Default").className = "menuOn";
}