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';
}

function mtAttachEvent(eventName,func) {
    var onEventName = 'on' + eventName;
    var old = window[onEventName];
    if( typeof old != 'function' )
        window[onEventName] = func;
    else {
        window[onEventName] = function( evt ) {
            old( evt );
            return func( evt );
        };
    }
}

function mtFireEvent(eventName,param) {
    var fn = window['on' + eventName];
    if (typeof fn == 'function') return fn(param);
    return;
}

function mtRelativeDate(ts, fds) {
    var now = new Date();
    var ref = ts;
    var delta = Math.floor((now.getTime() - ref.getTime()) / 1000);

    var str;
    if (delta < 60) {
        str = 'moments ago';
    } else if (delta <= 86400) {
        // less than 1 day
        var hours = Math.floor(delta / 3600);
        var min = Math.floor((delta % 3600) / 60);
        if (hours == 1)
            str = '1 hour ago';
        else if (hours > 1)
            str = '2 hours ago'.replace(/2/, hours);
        else if (min == 1)
            str = '1 minute ago';
        else
            str = '2 minutes ago'.replace(/2/, min);
    } else if (delta <= 604800) {
        // less than 1 week
        var days = Math.floor(delta / 86400);
        var hours = Math.floor((delta % 86400) / 3600);
        if (days == 1)
            str = '1 day ago';
        else if (days > 1)
            str = '2 days ago'.replace(/2/, days);
        else if (hours == 1)
            str = '1 hour ago';
        else
            str = '2 hours ago'.replace(/2/, hours);
    }
    return str ? str : fds;
}


function mtCommentFormOnFocus() {
    mtShowCaptcha();
}


var is_preview;
var user;
function mtSetUser(u) {
    if (u) {
        // persist this
        user = u;
        mtSaveUser();
        // sync up user greeting
        mtFireEvent('usersignin');
    }
}

function mtEscapeJS(s) {
    s = s.replace(/'/g, "&apos;");
    return s;
}

function mtUnescapeJS(s) {
    s = s.replace(/&apos;/g, "'");
    return s;
}

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 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;
}

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;
}



$("document").ready(function() {
  if(typeof(entry_id) !== 'undefined') {
  if(entry_id > 0 && $("#comments-form").length==0) {
    $("#comments-open").load("/s/html/comment_form.html","", function() {
      $("#comments-form").append('<input type="hidden" name="entry_id" id="comments-form-id" />');
      $("#comments-form-id").val(entry_id);
      mtEntryOnLoad();
    });
  }
  }
});