//GLOBALS
var userchoice
var anychoice
var savechoice
var jsFeedUrl = "...";
var jsFeedTitle = null;

// A workaround for XSL-to-XHTML systems that don't
//  implement XSL 'disable-output-escaping="yes"'.
var is_decoding;
var DEBUG = 0;

function complaining(s) { alert(s); return s; }

if (!(document.getElementById)) {
    alert("Your browser cannot view this feed.\n\nConsider upgrading to Internet Explorer 6, Firefox, or Mozilla to view this feed and options for subscribing to its content in a news reader.");
}

function check_decoding() {
    try {
        var d = document.getElementById('cometestme');
        if (!d) {
            throw complaining("Can't find an id='cometestme' element?");
        } else if (!('textContent' in d)) {
            // It's a browser with a halfassed DOM implementation (like IE6)
            // that doesn't implement textContent!  Assume that if it's that
            // dumb, it probably doesn't implement disable-content-encoding.

        } else {
            ampy = d.textContent;
            if (DEBUG > 1) { alert("Got " + ampy); }

            if (ampy == undefined) throw complaining("'cometestme' element has undefined text content?!");
            if (ampy == '') throw complaining("'cometestme' element has empty text content?!");

            if (ampy == "\x26") { is_decoding = true; }
            else if (ampy == "\x26amp;") { is_decoding = false; }
            else { throw complaining('Insane value: "' + ampy + '"!'); }
        }

        var msg =
       (is_decoding == undefined) ? "I can't tell whether the XSL processor supports disable-content-encoding!D"
       : is_decoding ? "The XSL processor DOES support disable-content-encoding"
       : "The XSL processor does NOT support disable-content-encoding"
      ;
        return msg;
    } catch (e) { }
}


function go_decoding() {

    //  displayMajorSub();

    check_decoding();

    if (is_decoding) {
        DEBUG && alert("No work needs doing -- already decoded!");
        return;
    }

    var to_decode = document.getElementsByName('decodeable');
    if (!(to_decode && to_decode.length)) {
        DEBUG && alert("No work needs doing -- no elements to decode!");
        return;
    }


    var s;
    for (var i = to_decode.length - 1; i >= 0; i--) {
        s = to_decode[i].textContent;

        if (
      s == undefined ||
      (s.indexOf('&') == -1 && s.indexOf('<') == -1)
    ) {
            // the null or markupless element needs no reworking
        } else {
            to_decode[i].innerHTML = s;  // that's the magic
        }
    }

    return;
}


//End


function displayMajorSub() {
    //October 2005 addition to show/hide PC/MAC buttons for subscription to ITMS/YME
    var macBtn = document.getElementById("subscribeITMS");
    var pcBtn = document.getElementById("subscribeYME");


    if (navigator.platform.indexOf('Mac') > -1) {
        pcBtn.style.display = 'none';
        macBtn.style.display = '';
    } else {
        pcBtn.style.display = ''
    }
    return;
}

//utility function for appending USM or pcast param on existing URL, parameterized or otherwise
function encodeParam(theURL, theFormat) {

    var rslt = "XXX";

    if (theURL.indexOf('?') > 0) {
        rslt = encodeURI(theURL + "&format=" + theFormat);
    } else {
        rslt = theURL + "?format=" + theFormat;
    }

    return rslt;

}

function subscribeNowUltra(readerHref, readerString) {
    eFURL = readerHref;

    //retrieve saveChoice value
    var saved = document.getElementById("savechoice");

    //strip current URL; replace with {feed} for posterity
    var reURL = /(.+)http.+$/

    //handle the itpc protocol case as well
    var reITPC = /(itpc:\/\/).+$/;

    if (reURL.test(readerHref)) {
        eFURL = eFURL.replace(reURL, '$1{feed}')
    } else if (reITPC.test(readerHref)) {
        eFURL = eFURL.replace(reITPC, '$1{feed}')
    }


    //if checked, write that subscribe URL as a cookie
    if (saved.value == "standard") {
        //store cookieReaderHref, replacing any existing value    
        //store reader string, too
        createCookie("fb_cookieReaderHref", eFURL, 1000);
        createCookie("fb_readerString", readerString, 1000);
    } else if (saved.value == "podcast") {
        //stored for podcast
        createCookie("fb_podcast_cookieReaderHref", eFURL, 1000);
        createCookie("fb_podcast_readerString", readerString, 1000);
    }

    //send location.href off to that loc'n  
    return readerHref;


}


function subscribeNow(readerHref, readerString) {

    //encode feedURL as needed; pre-decode is for friggin' Pluck title
    eFURL = decodeURI(readerHref);
    eFURL = encodeURI(eFURL);
    var cookieReaderHref = "";

    //save web, USM, feed://, pcast variants
    switch (readerString) {

        case "--":
            break
            //this is for IE, which doesn't respect disabled=disabled on the <option>


        case "USM": //Manage Services
            localref = document.location.href + "?format=usm"
            cookieReaderHref = localref
            eFURL = localref
            break;

        case "Plusmo":
            cookieReaderHref = "http://plusmo.com/add?url={feed}"
            break;

        case "Windows Live":
            cookieReaderHref = "http://www.live.com/?addFeed={feed}"
            break;

        case "Google":
            cookieReaderHref = "http://fusion.google.com/add?feedurl={feed}"
            break;

        case "My Yahoo!":
            cookieReaderHref = "http://add.my.yahoo.com/rss?url={feed}"
            break;

        case "Feedness":
            cookieReaderHref = "http://www.feedness.com/alta/{feed}"
            break;

        case "NewsGator Online":
            cookieReaderHref = "http://www.newsgator.com/ngs/subscriber/subext.aspx?url={feed}"
            break;

        case "My AOL":
            cookieReaderHref = "http://feeds.my.aol.com/add.jsp?url={feed}"
            break;

        case "Bloglines":
            cookieReaderHref = "http://www.bloglines.com/sub/{feed}"
            break;

        case "Pluck":
            cookieReaderHref = "http://client.pluck.com/pluckit/prompt.aspx?GCID=C12286x053&amp;a={feed}&amp;t={title}"
            break;

        case "podnova":
            cookieReaderHref = "http://www.podnova.com/add.srf?url={feed}"
            break;

        case "Netvibes":
            cookieReaderHref = "http://www.netvibes.com/subscribe.php?url={feed}"
            break;

        case "Livedoor":
            cookieReaderHref = "http://reader.livedoor.com/subscribe/{feed}";
            break;

        case "goo":
            cookieReaderHref = "http://reader.goo.ne.jp/web/bookmarklet.html?,,{feed}";
            break;

        case "Pageflakes":
            cookieReaderHref = "http://www.pageflakes.com/subscribe.aspx?url={feed}"
            break;

        case "ODEO":
            cookieReaderHref = "http://odeo.com/listen/subscribe?feed={feed}"
            break;

        case "Paipo":
            cookieReaderHref = "http://paipo.jp/bookmarklet/?url={feed}"
            break;

        case "My Yahoo! Japan": //japan
            cookieReaderHref = "http://add.my.yahoo.co.jp/rss?url={feed}"
            break;

        case "feedpath":
            cookieReaderHref = "http://feedpath.jp/feedreader/feeds_add?url={feed}"
            break;

        case "hatena":
            cookieReaderHref = "http://r.hatena.ne.jp/append/{feed}"
            break;

        case "sleipnir":
            cookieReaderHref = "http://www.fenrir.co.jp/rd/?rss={feed}"
            break;

        case "ExciteJP":
            cookieReaderHref = "http://reader.excite.co.jp/subscribe/?url={feed}"
            break;

        case "yandex":
            cookieReaderHref = " http://lenta.yandex.ru/settings.xml?name=feed&amp;url={feed}"
            break;

        case "iTunes": //mac pcast
            cookieReaderHref = "pcast://{feed}"
            noProtocolFeedUrl = jsFeedUrl.substr(7)
            eFURL = "pcast://" + encodeURI(noProtocolFeedUrl);
            break;

        case "iTunes/Yahoo Music Engine": //pc pcast
            cookieReaderHref = document.location.href + "?format=pcast"
            eFURL = document.location.href + "?format=pcast"
            break;

        default:
            cookieReaderHref = "feed:{feed}"
            eFURL = "feed:" + eFURL;
            readerString = "Subscribe with " + readerString;
    }

    //retrieve saveChoice value
    var saved = document.getElementById("savechoice");

    //if checked, write that subscribe URL as a cookie
    if (saved.value == "standard") {
        //store cookieReaderHref, replacing any existing value    
        //store reader string, too
        createCookie("fb_cookieReaderHref", cookieReaderHref, 1000);
        createCookie("fb_readerString", readerString, 1000);
    } else if (saved.value == "podcast") {
        //stored for podcast
        createCookie("fb_podcast_cookieReaderHref", cookieReaderHref, 1000);
        createCookie("fb_podcast_readerString", readerString, 1000);
    }

    //send location.href off to that loc'n  
    return eFURL;
}

function loadSubscribeAreaUltra(theme) {

    userchoice = document.getElementById("subscribe-userchoice");
    anychoice = document.getElementById("subscribe-options");
    //savechoice =  document.getElementById("savemychoice");
    var rHref = "";
    var readerHref = null;
    var readerString = null;

    //cookied? display shorthand; else standard
    if (theme == "standard") {
        readerHref = readCookie("fb_cookieReaderHref");
        readerString = readCookie("fb_readerString");
    } else if (theme == "podcast") {
        readerHref = readCookie("fb_podcast_cookieReaderHref");
        readerString = readCookie("fb_podcast_readerString");
    }

    if ((readerHref && readerString)) {

        var theLink = document.getElementById("subscribeLink").getElementsByTagName("a");

        var reFeed = /{feed}/

        //strip http:// from jsFeedUrl if ITPC or other protocol-bearing format
        if (readerHref.indexOf("itpc://") != -1) {
            jsFeedUrl = jsFeedUrl.substring(7);
        }

        //remember jsFeedUrl is set at body onload
        rHref = readerHref.replace(reFeed, jsFeedUrl);

        //legacy cookie support
        reSubsText = /Subscribe with /;
        if (!reSubsText.test(readerString)) readerString = "Subscribe with " + readerString;

        theLink[0].href = rHref;
        theLink[0].innerHTML = readerString;

        //shorthand

        userchoice.style.display = "";
        anychoice.style.display = "none";
    }

}

function loadSubscribeArea(theme) {

    userchoice = document.getElementById("subscribe-userchoice");
    anychoice = document.getElementById("subscribe-options");
    //savechoice =  document.getElementById("savemychoice");
    var noProtocolFeedUrl = "";
    var rHref = "";
    var readerHref = null;
    var readerString = null;

    //cookied? display shorthand; else standard
    if (theme == "standard") {
        readerHref = readCookie("fb_cookieReaderHref");
        readerString = readCookie("fb_readerString");
    } else if (theme == "podcast") {
        readerHref = readCookie("fb_podcast_cookieReaderHref");
        readerString = readCookie("fb_podcast_readerString");
    }

    if ((readerHref && readerString)) {

        var theLink = document.getElementById("subscribeLink").getElementsByTagName("a");

        //replace {feed} and optionally, {title}
        var reFeed = /{feed}/
        var reTitle = /{title}/

        //pcast protocol workaround
        if (readerHref.indexOf('pcast://') == 0) {
            //remove pcast protocol from readerHref
            noProtocolFeedUrl = jsFeedUrl.substr(7)
            rHref = readerHref.replace(reFeed, noProtocolFeedUrl);
        } else {
            rHref = readerHref.replace(reFeed, jsFeedUrl);
        }

        if (jsFeedTitle) rHref = rHref.replace(reTitle, jsFeedTitle);

        theLink[0].href = rHref;
        theLink[0].innerHTML = "Subscribe with " + readerString;

        //shorthand

        userchoice.style.display = "";
        anychoice.style.display = "none";
        //savechoice.style.display = "none";
    }

}

function clearUserchoice(theme) {
    if (theme == "standard") {
        eraseCookie("fb_cookieReaderHref");
        eraseCookie("fb_readerString");
    } else {
        eraseCookie("fb_podcast_cookieReaderHref");
        eraseCookie("fb_podcast_readerString");

    }

    userchoice.style.display = "none";
    anychoice.style.display = "";
    //savechoice.style.display = "";

    return false;

}

function createCookie(name, value, days) {
    if (days) {
        var date = new Date();
        date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
        var expires = "; expires=" + date.toGMTString();
    }
    else var expires = "";
    document.cookie = name + "=" + value + expires + "; path=/";
}

function readCookie(name) {
    var nameEQ = name + "=";
    var ca = document.cookie.split(';');
    for (var i = 0; i < ca.length; i++) {
        var c = ca[i];
        while (c.charAt(0) == ' ') c = c.substring(1, c.length);
        if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
    }
    return null;
}

function eraseCookie(name) {
    createCookie(name, "", -1);
}

function showOrHideArticle(itemName) {
    //get link element and div
    var link = document.getElementById(itemName);
    var div = document.getElementById(itemName + "Div");
    var synopsis = document.getElementById(itemName + "DivDescription")

    //shor or hide div
    if (div.style.visibility == "hidden") {
        pageTracker._trackPageview('rss_feed/show/' + itemName);
        link.innerHTML = "<b>Hide More Info</b>";
        //
        div.style.display = "block";
        div.style.visibility = "visible";
        div.style.position = "relative";
        //
        synopsis.style.display = "none";
        synopsis.style.visibility = "hidden";
        synopsis.style.position = "absolute";
    } else {
        pageTracker._trackPageview('rss_feed/hide/' + itemName);
        link.innerHTML = "<b>Show More Info</b>";
        //
        div.style.display = "none";
        div.style.visibility = "hidden";
        div.style.position = "absolute";
        //
        synopsis.style.display = "block";
        synopsis.style.visibility = "visible";
        synopsis.style.position = "relative";
    }
}