function ActiveMenu(menuId, className,NoActiveClass) {


            isBreak = 0;
            var pageNames = ["index", "AboutUs", "/product", "/news", "/technology", "/case", "/download", "/service", "/message", "/contact"]

            var obj = document.getElementById(menuId).getElementsByTagName("A");

            var loc = window.location + "";
            var idx = loc.lastIndexOf(".html");
            if (idx == -1) {
                idx = loc.lastIndexOf(".html");
            }
            loc = loc.substring(0, idx);

            for (j = 0; j < pageNames.length; j++) {
                idx = loc.indexOf(pageNames[j]);
                if (idx != -1) {
                    for (var i = 0; i < obj.length; i++) {

                        var href = obj[i].href + "";
                        idx = href.indexOf(pageNames[j]);

                        if (idx != -1) {
                            obj[i].className = className;
                            break;
                        }
                        else {
                            obj[i].className = NoActiveClass;
                        }
                    }
                    break;
                }

            }


        }



        ActiveMenu("Menu", "TopNavActive", "");