var mtCookieName = "mt_blog_user";
var mtCookieDomain = ".dimlau.com";
var mtCookiePath = "/";
var mtCookieTimeout = 14400;
function mtHide(id) {
    var el = (typeof id == "string") ? document.getElementById(id) : id;
    if (el) el.style.display = 'none';
}
function mtShow(id) {
    var el = (typeof id == "string") ? document.getElementById(id) : id;
    if (el) el.style.display = 'block';
}

var user;
function mtUserOnLoad() {
    var u = mtGetUser();
    if ( document.getElementById('comments-form')) {
        if ( u && u.is_banned )
            mtHide('comments-form');
        var cf = document['comments_form'];
        if (cf) {
            if (u && u.is_anonymous) {
                if (u.email) cf.email.value = u.email;
                if (u.name) cf.author.value = u.name;
                if (u.url) cf.url.value = u.url;
                if (cf.bakecookie)
                    cf.bakecookie.checked = u.name || u.email;
            } else {
                if (u && u.sid && cf.sid)
                    cf.sid.value = u.sid;
            }
            mtRequestSubmitted = false;
        }
    }
}
function mtGetUser() {
    if (!user) {
        var cookie = mtGetCookie(mtCookieName);
        if (!cookie) return;
        user = mtUnbakeUserCookie(cookie);
        if (! user) {
            user = {};
            user.is_anonymous = true;
            user.can_post = false;
            user.is_author = false;
            user.is_banned = false;
            user.is_trusted = false;
        }
    }
    return user;
}
function mtGetCookie(name) {
    var prefix = name + '=';
    var c = document.cookie;
    var cookieStartIndex = c.indexOf(prefix);
    if (cookieStartIndex == -1)
        return '';
    var cookieEndIndex = c.indexOf(";", cookieStartIndex + prefix.length);
    if (cookieEndIndex == -1)
        cookieEndIndex = c.length;
    return unescape(c.substring(cookieStartIndex + prefix.length, cookieEndIndex));
}
function mtBakeUserCookie(u) {
    var str = "";
    if (u.name) str += "name:'" + mtEscapeJS(u.name) + "';";
    if (u.url) str += "url:'" + mtEscapeJS(u.url) + "';";
    if (u.email) str += "email:'" + mtEscapeJS(u.email) + "';";
    if (u.is_authenticated) str += "is_authenticated:'1';";
    if (u.profile) str += "profile:'" + mtEscapeJS(u.profile) + "';";
    if (u.userpic) str += "userpic:'" + mtEscapeJS(u.userpic) + "';";
    if (u.sid) str += "sid:'" + mtEscapeJS(u.sid) + "';";
    str += "is_trusted:'" + (u.is_trusted ? "1" : "0") + "';";
    str += "is_author:'" + (u.is_author ? "1" : "0") + "';";
    str += "is_banned:'" + (u.is_banned ? "1" : "0") + "';";
    str += "can_post:'" + (u.can_post ? "1" : "0") + "';";
    str += "can_comment:'" + (u.can_comment ? "1" : "0") + "';";
    str = str.replace(/;$/, '');
    return str;
}
function mtSetUser(u) {
    if (u) {
        user = u;
        mtSaveUser();
    }
}
function mtSaveUser(f) {
    var u = mtGetUser();
    if (f && (!u || u.is_anonymous)) {
        if ( !u ) {
            u = {};
            u.is_authenticated = false;
            u.can_comment = true;
            u.is_author = false;
            u.is_banned = false;
            u.is_anonymous = true;
            u.is_trusted = false;
        }
        if (f.author != undefined) u.name = f.author.value;
        if (f.email != undefined) u.email = f.email.value;
        if (f.url != undefined) u.url = f.url.value;
    }

    if (!u) return;

    var cache_period = mtCookieTimeout * 1000;

    if (u.is_anonymous && f && f.bakecookie && f.bakecookie.checked)
        cache_period = 365 * 24 * 60 * 60 * 1000;

    var now = new Date();
    mtFixDate(now);
    now.setTime(now.getTime() + cache_period);

    var cmtcookie = mtBakeUserCookie(u);
    mtSetCookie(mtCookieName, cmtcookie, now, mtCookiePath, mtCookieDomain,
        location.protocol == 'https:');
}
function mtEscapeJS(s) {
    s = s.replace(/'/g, "'");
    return s;
}
function mtUnescapeJS(s) {
    s = s.replace(/'/g, "'");
    return s;
}
function mtUnbakeUserCookie(s) {
    if (!s) return;
    var u = {};
    var m;
    while (m = s.match(/^((name|url|email|is_authenticated|profile|userpic|sid|is_trusted|is_author|is_banned|can_post|can_comment):'([^']+?)';?)/)) {
        s = s.substring(m[1].length);
        if (m[2].match(/^(is|can)_/)) // boolean fields
            u[m[2]] = m[3] == '1' ? true : false;
        else
            u[m[2]] = mtUnescapeJS(m[3]);
    }
    if (u.is_authenticated) {
        u.is_anonymous = false;
    } else {
        u.is_anonymous = true;
        u.can_post = false;
        u.is_author = false;
        u.is_banned = false;
        u.is_trusted = false;
    }
    return u;
}
var mtFetchedUser = false;
function mtFetchUser(cb) {
    if (!cb) cb = 'mtSetUser';
    if ( ( cb == 'mtSetUser' ) && mtGetUser() ) {
        var url = document.URL;
        url = url.replace(/#.+$/, '');
        url += '#comments-open';
        location.href = url;
    } else {
        // we aren't using AJAX for this, since we may have to request
        // from a different domain. JSONP to the rescue.
        mtFetchedUser = true;
        var script = document.createElement('script');
        var ts = new Date().getTime();
        script.src = 'http://kaix.in/cgi-bin/mt-comments.cgi?__mode=session_js&blog_id=1&jsonp=' + cb + '&ts=' + ts;
        (document.getElementsByTagName('head'))[0].appendChild(script);
    }
}
function mtRememberMeOnClick(b) {
    if (!b.checked)
        mtClearUser(b.form);
    return true;
}
var mtRequestSubmitted = false;
function mtCommentOnSubmit(f) {
    if (!mtRequestSubmitted) {
        mtRequestSubmitted = true;
        if (f.armor)
            f.armor.value = '7d43df75a2450443aa8e002010f3482ff75a2776';
        if (f.bakecookie && f.bakecookie.checked)
            mtSaveUser(f);
        if (f.post) f.post.disabled = true;
        var u = mtGetUser();
        if ( u && u.is_authenticated ) {
            // validate session; then submit
            mtFetchedUser = false;
            mtFetchUser('mtCommentSessionVerify');
            return false;
        }
        return true;
    }
    return false;
}
function mtReplyCommentOnClick(parent_id, author) {
    mtShow('comment-form-reply');
    var checkbox = document.getElementById('comment-reply');
    var label = document.getElementById('comment-reply-label');
    var text = document.getElementById('comment-text');

    var reply_text = '回复 <a href="#comment-'+ parent_id +'" onclick="location.href=this.href; return false">'+ author +'的评论</a>';
    label.innerHTML = reply_text;

    checkbox.value = parent_id; 
    checkbox.checked = true;
    text.focus();

    mtSetCommentParentID();
}

function mtSetCommentParentID() {
    var checkbox = document.getElementById('comment-reply');
    var parent_id_field = document.getElementById('comment-parent-id');
    if (!checkbox || !parent_id_field) return;

    var pid = 0;
    if (checkbox.checked == true)
        pid = checkbox.value;
    parent_id_field.value = pid;
}
function mtClearUser() {
    user = null;
    mtDeleteCookie(mtCookieName, mtCookiePath, mtCookieDomain,
        location.protocol == 'https:');
}


function mtSetCookie(name, value, expires, path, domain, secure) {
    if (domain && domain.match(/^\.?localhost$/))
        domain = null;
    var curCookie = name + "=" + escape(value) +
        (expires ? "; expires=" + expires.toGMTString() : "") +
        (path ? "; path=" + path : "") +
        (domain ? "; domain=" + domain : "") +
        (secure ? "; secure" : "");
    document.cookie = curCookie;
}

function mtDeleteCookie(name, path, domain, secure) {
    if (mtGetCookie(name)) {
        if (domain && domain.match(/^\.?localhost$/))
            domain = null;
        document.cookie = name + "=" +
            (path ? "; path=" + path : "") +
            (domain ? "; domain=" + domain : "") +
            (secure ? "; secure" : "") +
            "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}

function mtFixDate(date) {
    var skew = (new Date(0)).getTime();
    if (skew > 0)
        date.setTime(date.getTime() - skew);
}

function mtInit() {
    if (arguments.callee.done) return;

    arguments.callee.done = true;

    if ( window._timer ) clearInterval(window._timer);

    if ( window.onload && ( window.onload !== window.mtInit ) ) {
        window.onload();
        window.onload = function() {};
    }
}

/* for Mozilla/Opera9 */
if (document.addEventListener) {
    document.addEventListener("DOMContentLoaded", mtInit, false);
}

/* for Internet Explorer */
/*@cc_on @*/
/*@if (@_win32)
document.write("<script id=__ie_onload defer src=javascript:void(0)><\/script>");
var script = document.getElementById("__ie_onload");
script.onreadystatechange = function() {
    if (this.readyState == "complete") {
        mtInit(); // call the onload handler
    }
};
/*@end @*/

/* for Safari */
if (/WebKit/i.test(navigator.userAgent)) { // sniff
    _timer = setInterval(function() {
        if (/loaded|complete/.test(document.readyState)) {
            mtInit(); // call the onload handler
        }
    }, 10);
}

window.onload = mtInit;