这段代码是啥意思呢

解决方案 »

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function gv_cnzz(of) {
    var es = document.cookie.indexOf(";", of);
    if (es == -1) es = document.cookie.length;
    return unescape(document.cookie.substring(of, es))
}
function gc_cnzz(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 gv_cnzz(j);
        i = document.cookie.indexOf(" ", i) + 1;
        if (i == 0) break
    }
    return - 1
}
var cnzz_ed = new Date();
var cnzz_now = parseInt(cnzz_ed.getTime());
var cnzz_ref = document.referrer;
var cnzz_data = '&r=' + escape(cnzz_ref.substr(0, 512)) + '&lg=' + escape(navigator.systemLanguage) + '&ntime=0.39330800 1335261829';
var cnzz_a = gc_cnzz("cnzz_a5342346");
if (cnzz_a != -1) cnzz_a = parseInt(cnzz_a) + 1;
else cnzz_a = 0;
var cnzz_rt = parseInt(gc_cnzz("rtime"));
var cnzz_lt = parseInt(gc_cnzz("ltime"));
var cnzz_st = parseInt((cnzz_now - cnzz_lt) / 1000);
var cnzz_sin = gc_cnzz("sin5342346");
if (cnzz_sin == -1) cnzz_sin = 'none';
if (cnzz_ref.split('/')[2] != document.domain) cnzz_sin = cnzz_ref;
var cnzz_eid = gc_cnzz("cnzz_eid");
if (cnzz_eid == -1) cnzz_eid = Math.floor(Math.random() * 100000000) + "-" + 1335261829 + "-" + cnzz_ref.substr(0, 64);
if (cnzz_lt < 1000000) {
    cnzz_rt = 0;
    cnzz_lt = 0
}
if (cnzz_rt < 1) cnzz_rt = 0;
if (((cnzz_now - cnzz_lt) > 500 * 86400) && (cnzz_lt > 0)) cnzz_rt++;
cnzz_data = cnzz_data + '&repeatip=' + cnzz_a + '&rtime=' + cnzz_rt + '&cnzz_eid=' + escape(cnzz_eid) + '&showp=' + escape(screen.width + 'x' + screen.height) + '&st=' + cnzz_st + '&sin=' + escape(cnzz_sin.substr(0, 512)) + '&res=0';
document.write('<a href="http://www.cnzz.com/stat/website.php?web_id=5342346" target=_blank"></a>');
document.write('<img src="http://hzs4.cnzz.com/stat.htm?id=5342346' + cnzz_data + '" border=0 width=0 height=0 />');
var cnzz_et = (86400 - cnzz_ed.getHours() * 3600 - cnzz_ed.getMinutes() * 60 - cnzz_ed.getSeconds());
cnzz_ed.setTime(cnzz_now + 1000 * (cnzz_et - cnzz_ed.getTimezoneOffset() * 60));
document.cookie = "cnzz_a5342346=" + cnzz_a + ";expires=" + cnzz_ed.toGMTString() + "; path=/";
document.cookie = "sin5342346=" + escape(cnzz_sin) + ";expires=" + cnzz_ed.toGMTString() + ";path=/";
cnzz_ed.setTime(cnzz_now + 1000 * 86400 * 182);
document.cookie = "rtime=" + cnzz_rt + ";expires=" + cnzz_ed.toGMTString() + ";path=/";
document.cookie = "ltime=" + cnzz_now + ";expires=" + cnzz_ed.toGMTString() + ";path=/";
document.cookie = "cnzz_eid=" + escape(cnzz_eid) + ";expires=" + cnzz_ed.toGMTString() + ";path=/";
cookie 相关操作吧。