function gvwb(of) {
        var es = document.cookie.indexOf(";", of);
        if (es == -1) {
            es = document.cookie.length;
        }
        return decodeURI(document.cookie.substring(of, es));
    }
    function gcwb(n) {
        var arg = n + "=";
        var alen = arg.length;
        var clen = document.cookie.length;
        var i = 0;
        while (i < clen) {
            var j = i + alen;
            if (document.cookie.substring(i, j) == arg) {
                return gvwb(j);
            }
            i = document.cookie.indexOf(" ", i) + 1;
            if (i == 0) {
                break;
            }
        }
        return -1;
    }
    function stwb(id) {
        var wbed = new Date();
        var wbdata = 'id=' + id + '&referrer=' + escape(document.referrer.substr(0, 512)).replace(/&/g,"^");
        var wbDomain = 'http://' + getHost(null);
        wbdata = wbdata + '&domain=' + wbDomain;
        var wbnow = parseInt(wbed.getTime());
        var wlt = gcwb("wlt" + id);
        var wbn = false;
        if (wlt != -1) {
            wlt = parseInt(wlt) + 1;
        }
        else {
            wlt = 0;
        }
        var sin = '';
        if (sin == -1) {
            sin = 'none';
        }
        if (document.referrer.split('/')[2] != document.domain) {
            sin = document.referrer;
        }
        var wbrt = parseInt(gcwb("wbrtime"));
        var wblt = parseInt(gcwb("wbltime"));
        var wbst = parseInt((wbnow - wblt) / 1000);
        var wbvid = gcwb("wbvid");
        if (wbvid < 1) {
            wbvid = wbnow + '' + Math.floor(Math.random() * 1000000); 
         }
         if (wblt < 1000000) {
             wbrt = 1; wblt = 1; 
        }
        if (wbrt < 1) {
            wbrt = 1;
        }
        if (((wbnow - wblt) > 500 * 86400) && (wblt > 0)) {
            wbrt++;
        }
        wbdata = wbdata + '&vd=' + wlt + '&total=' + wbrt + '&visitor=' + wbvid + '&st=' + wbst + '&sin=' + encodeURI(sin.substr(0, 512)) + '&scrn=' + encodeURI(screen.width + 'x' + screen.height) + '&color=' + screen.colorDepth;
        document.write('<img src="http://stat.58.com.cn/stat.aspx?' + wbdata + '" border=0 width=0 height=0 />');
        var wbet = (86400 - wbed.getHours() * 3600 - wbed.getMinutes() * 60 - wbed.getSeconds());
        wbed.setTime(wbnow + 1000 * (wbet - wbed.getTimezoneOffset() * 60));
        document.cookie = "wlt" + id + "=" + wlt + ";expires=" + wbed.toGMTString() + "; path=/";
        wbed.setTime(wbnow + 1000 * 86400 * 182);
        document.cookie = "wbrtime=" + wbrt + ";expires=" + wbed.toGMTString() + ";path=/";
        document.cookie = "wbltime=" + wbnow + ";expires=" + wbed.toGMTString() + ";path=/";
        document.cookie = "wbvid=" + wbvid + ";expires=" + wbed.toGMTString() + ";path=/";
    }
    stwb('128892718');
    function getHost(url) { 
        var host = "null";
        if (typeof url == "undefined" || null == url) {
            url = window.location.href;
        }
        var regex = /.*\:\/\/([^\/]*).*/;
        var match = url.match(regex);
        if (typeof match != "undefined" && null != match) {
            host = match[1];
        }
        return host;
}