/**********************************************************************
* General purpose function created by Macromedia tools
**********************************************************************/
function MM_openBrWindow(theURL, winName, features) { //v2.0
    window.open(theURL, winName, features);
}

function MM_swapImage() { //v3.0
    var i, j = 0, x, a = MM_swapImage.arguments; document.MM_sr = new Array; for (i = 0; i < (a.length - 2); i += 3)
        if ((x = MM_findObj(a[i])) != null) { document.MM_sr[j++] = x; if (!x.oSrc) x.oSrc = x.src; x.src = a[i + 2]; }
}

function MM_swapImgRestore() { //v3.0
    var i, x, a = document.MM_sr; for (i = 0; a && i < a.length && (x = a[i]) && x.oSrc; i++) x.src = x.oSrc;
}

function MM_findObj(n, d) { //v4.01
    var p, i, x;
    if (!d) d = document;
    if ((p = n.indexOf("?")) > 0 && parent.frames.length) {
        d = parent.frames[n.substring(p + 1)].document; n = n.substring(0, p);
    }
    if (!(x = d[n]) && d.all)
        x = d.all[n];

    for (i = 0; !x && i < d.forms.length; i++)
        x = d.forms[i][n];

    for (i = 0; !x && d.layers && i < d.layers.length; i++)
        x = MM_findObj(n, d.layers[i].document);

    if (!x && d.getElementById) x = d.getElementById(n);

    return x;
}

function MM_swapImage() { //v3.0
    var i, j = 0, x, a = MM_swapImage.arguments;
    document.MM_sr = new Array;
    for (i = 0; i < (a.length - 2); i += 3)
        if ((x = MM_findObj(a[i])) != null) {
        document.MM_sr[j++] = x; if (!x.oSrc) x.oSrc = x.src; x.src = a[i + 2];
    }
}

/**********************************************************************
* Functions used exclusively in literature and DSS. 
*********************************************************************/
function displayDssInstructions() {
    var dssInstruction = document.createElement("span");
    dssInstruction.innerHTML = "You may add a category or select certain documents to your Technical Updates subscription. To add a category, visit the <a href='/subscribe'>Email Management Subscription Center</a>. To add a document with the <img src='/common/action-buttons/subscribe-individual-doc.gif' alt='Subscribe Alert' border='0' />  icon, simply click on the icon. You will be notified if there are any updates to the categories or documents you choose in a weekly email digest.";

    if (document.getElementById("showBlock")) {
        var parent = document.getElementById("showBlock").parentNode;
        parent.insertBefore(dssInstruction, document.getElementById("showBlock"));
    } else if (document.getElementById("theLegacyListing")) {
        var parent = document.getElementById("theLegacyListing").parentNode;
        var targetNodeIndex = -1;

        for (var i = 0; i < parent.childNodes.length; i++) {
            if (parent.childNodes[i].nodeName == "P" || parent.childNodes[i].nodeName == "A") {
                targetNodeIndex = i;
            } else if (parent.childNodes[i].id == "theLegacyListing") {
                break;
            }
        }
        if (targetNodeIndex > 0) {
            parent.insertBefore(dssInstruction, parent.childNodes[targetNodeIndex]);
        } else {
            parent.insertBefore(dssInstruction, document.getElementById("theLegacyListing"));
        }
    }
}

/**********************************************************************
* Functions used for myAltera
*********************************************************************/
var displayMyAlteraSignin = false;
function popupSignin() {
    if (document.getElementById("myalteraSignIn")) {
        document.getElementById("myalteraSignIn").style.display = (displayMyAlteraSignin) ? "inline" : "none";
        displayMyAlteraSignin = !displayMyAlteraSignin;
    }
    return false;
}

/**********************************************************************
* SDC codes deployed in 2008
**********************************************************************/
// --- START OF Advanced SmartSource Data Collector TAG  --------------
// Copyright (c) 1996-2007 WebTrends Inc. All rights reserved.
// V8.0d
// $DateTime: 2007/02/02 09:50:38 $
var gService = false;
var gTimeZone = -8;
// Code section for Enable First-Party Cookie Tracking
function dcsCookie() {
    if (typeof (dcsOther) == "function") {
        dcsOther();
    }
    else if (typeof (dcsPlugin) == "function") {
        dcsPlugin();
    }
    else if (typeof (dcsFPC) == "function") {
        dcsFPC(gTimeZone);
    }
}
function dcsGetCookie(name) {
    var pos = document.cookie.indexOf(name + "=");
    if (pos != -1) {
        var start = pos + name.length + 1;
        var end = document.cookie.indexOf(";", start);
        if (end == -1) {
            end = document.cookie.length;
        }
        return unescape(document.cookie.substring(start, end));
    }
    return null;
}
function dcsGetCrumb(name, crumb) {
    var aCookie = dcsGetCookie(name).split(":");
    for (var i = 0; i < aCookie.length; i++) {
        var aCrumb = aCookie[i].split("=");
        if (crumb == aCrumb[0]) {
            return aCrumb[1];
        }
    }
    return null;
}
function dcsGetIdCrumb(name, crumb) {
    var cookie = dcsGetCookie(name);
    var id = cookie.substring(0, cookie.indexOf(":lv="));
    var aCrumb = id.split("=");
    for (var i = 0; i < aCrumb.length; i++) {
        if (crumb == aCrumb[0]) {
            return aCrumb[1];
        }
    }
    return null;
}
function dcsFPC(offset) {
    if (typeof (offset) == "undefined") {
        return;
    }
    if (document.cookie.indexOf("WTLOPTOUT=") != -1) {
        return;
    }
    var name = gFpc;
    var dCur = new Date();
    var adj = (dCur.getTimezoneOffset() * 60000) + (offset * 3600000);
    dCur.setTime(dCur.getTime() + adj);
    var dExp = new Date(dCur.getTime() + 315360000000);
    var dSes = new Date(dCur.getTime());
    WT.co_f = WT.vt_sid = WT.vt_f = WT.vt_f_a = WT.vt_f_s = WT.vt_f_d = WT.vt_f_tlh = WT.vt_f_tlv = "";
    if (document.cookie.indexOf(name + "=") == -1) {
        if ((typeof (gWtId) != "undefined") && (gWtId != "")) {
            WT.co_f = gWtId;
        }
        else if ((typeof (gTempWtId) != "undefined") && (gTempWtId != "")) {
            WT.co_f = gTempWtId;
            WT.vt_f = "1";
        }
        else {
            WT.co_f = "2";
            var cur = dCur.getTime().toString();
            for (var i = 2; i <= (32 - cur.length); i++) {
                WT.co_f += Math.floor(Math.random() * 16.0).toString(16);
            }
            WT.co_f += cur;
            WT.vt_f = "1";
        }
        if (typeof (gWtAccountRollup) == "undefined") {
            WT.vt_f_a = "1";
        }
        WT.vt_f_s = WT.vt_f_d = "1";
        WT.vt_f_tlh = WT.vt_f_tlv = "0";
    }
    else {
        var id = dcsGetIdCrumb(name, "id");
        var lv = parseInt(dcsGetCrumb(name, "lv"));
        var ss = parseInt(dcsGetCrumb(name, "ss"));
        if ((id == null) || (id == "null") || isNaN(lv) || isNaN(ss)) {
            return;
        }
        WT.co_f = id;
        var dLst = new Date(lv);
        WT.vt_f_tlh = Math.floor((dLst.getTime() - adj) / 1000);
        dSes.setTime(ss);
        if ((dCur.getTime() > (dLst.getTime() + 1800000)) || (dCur.getTime() > (dSes.getTime() + 28800000))) {
            WT.vt_f_tlv = Math.floor((dSes.getTime() - adj) / 1000);
            dSes.setTime(dCur.getTime());
            WT.vt_f_s = "1";
        }
        if ((dCur.getDay() != dLst.getDay()) || (dCur.getMonth() != dLst.getMonth()) || (dCur.getYear() != dLst.getYear())) {
            WT.vt_f_d = "1";
        }
    }
    WT.co_f = escape(WT.co_f);
    WT.vt_sid = WT.co_f + "." + (dSes.getTime() - adj);
    var expiry = "; expires=" + dExp.toGMTString();
    document.cookie = name + "=" + "id=" + WT.co_f + ":lv=" + dCur.getTime().toString() + ":ss=" + dSes.getTime().toString() + expiry + "; path=/" + (((typeof (gFpcDom) != "undefined") && (gFpcDom != "")) ? ("; domain=" + gFpcDom) : (""));
    if (document.cookie.indexOf(name + "=") == -1) {
        WT.co_f = WT.vt_sid = WT.vt_f_s = WT.vt_f_d = WT.vt_f_tlh = WT.vt_f_tlv = "";
        WT.vt_f = WT.vt_f_a = "2";
    }
}

// Add dcsOther() here if using existing first-party cookie, or dcsPlugin() here if using WT Cookie Plugin

// Code section for Set the First-Party Cookie domain
//var gFpcDom=".webtrends.com";

// Code section for Enable Event Tracking
function dcsParseSvl(sv) {
    sv = sv.split(" ").join("");
    sv = sv.split("\t").join("");
    sv = sv.split("\n").join("");
    var pos = sv.toUpperCase().indexOf("WT.SVL=");
    if (pos != -1) {
        var start = pos + 8;
        var end = sv.indexOf('"', start);
        if (end == -1) {
            end = sv.indexOf("'", start);
            if (end == -1) {
                end = sv.length;
            }
        }
        return sv.substring(start, end);
    }
    return "";
}
function dcsIsOnsite(host) {
    var doms = "@@ONSITEDOMAINS@@";
    var aDoms = doms.split(',');
    for (var i = 0; i < aDoms.length; i++) {
        if (host.indexOf(aDoms[i]) != -1) {
            return 1;
        }
    }
    return 0;
}
function dcsIsHttp(e) {
    return (e.href && e.protocol && (e.protocol.indexOf("http") != -1)) ? true : false;
}
function dcsTypeMatch(path, typelist) {
    var type = path.substring(path.lastIndexOf(".") + 1, path.length);
    var types = typelist.split(",");
    for (var i = 0; i < types.length; i++) {
        if (type == types[i]) {
            return true;
        }
    }
    return false;
}
function dcsEvt(evt, tag) {
    var e = evt.target || evt.srcElement;
    while (e.tagName && (e.tagName != tag)) {
        e = e.parentElement || e.parentNode;
    }
    return e;
}
function dcsBind(event, func) {
    if ((typeof (window[func]) == "function") && document.body) {
        if (document.body.addEventListener) {
            document.body.addEventListener(event, window[func], true);
        }
        else if (document.body.attachEvent) {
            document.body.attachEvent("on" + event, window[func]);
        }
    }
}
function dcsET() {
    var e = (navigator.appVersion.indexOf("MSIE") != -1) ? "click" : "mousedown";
    dcsBind(e, "dcsDownload");
    dcsBind(e, "dcsDynamic");
    dcsBind(e, "dcsFormButton");
    dcsBind(e, "dcsOffsite");
    dcsBind(e, "dcsAnchor");
    dcsBind("mousedown", "dcsRightClick");
}

function dcsMultiTrack() {
    if (arguments.length % 2 == 0) {
        for (var i = 0; i < arguments.length; i += 2) {
            if (arguments[i].indexOf('WT.') == 0) {
                WT[arguments[i].substring(3)] = arguments[i + 1];
            }
            else if (arguments[i].indexOf('DCS.') == 0) {
                DCS[arguments[i].substring(4)] = arguments[i + 1];
            }
            else if (arguments[i].indexOf('DCSext.') == 0) {
                DCSext[arguments[i].substring(7)] = arguments[i + 1];
            }
        }
        var dCurrent = new Date();
        DCS.dcsdat = dCurrent.getTime();
        dcsFunc("dcsCookie");
        dcsTag();
    }
}

// Add event handlers here

function dcsAdv() {
    dcsFunc("dcsET");
    dcsFunc("dcsCookie");
    dcsFunc("dcsAdSearch");
    dcsFunc("dcsTP");
}
// --- END OF Advanced SmartSource Data Collector TAG ---------------------

// --- START OF Basic SmartSource Data Collector TAG ----------------------
// Copyright (c) 1996-2006 WebTrends Inc. All rights reserved.
// V8.0
// $DateTime: 2007/02/02 09:50:38 $
var gImages = new Array;
var gIndex = 0;
var DCS = new Object();
var WT = new Object();
var DCSext = new Object();
var gQP = new Array();
var gI18n = true;

var gDomain = "sdc.altera.com";
var gDcsId = "";
var gFpc = "WT_FPC";
var gConvert = false;
if ((typeof (gConvert) != "undefined") && gConvert && (document.cookie.indexOf(gFpc + "=") == -1) && (document.cookie.indexOf("WTLOPTOUT=") == -1)) {
    document.write("<SCR" + "IPT TYPE='text/javascript' SRC='" + "http" + (window.location.protocol.indexOf('https:') == 0 ? 's' : '') + "://" + gDomain + "/" + gDcsId + "/wtid.js" + "'><\/SCR" + "IPT>");
}
if (window.RegExp) {
    var RE = { "%09": /\t/g, "%20": / /g, "%23": /\#/g, "%26": /\&/g, "%2B": /\+/g, "%3F": /\?/g, "%5C": /\\/g, "%22": /\"/g, "%7F": /\x7F/g, "%A0": /\xA0/g };
    var I18NRE = { "%25": /\%/g };
}

// Add customizations here

function dcsVar() {
    var dCurrent = new Date();
    WT.tz = dCurrent.getTimezoneOffset() / 60 * -1;
    if (WT.tz == 0) {
        WT.tz = "0";
    }
    WT.bh = dCurrent.getHours();
    WT.ul = navigator.appName == "Netscape" ? navigator.language : navigator.userLanguage;
    if (typeof (screen) == "object") {
        WT.cd = navigator.appName == "Netscape" ? screen.pixelDepth : screen.colorDepth;
        WT.sr = screen.width + "x" + screen.height;
    }
    if (typeof (navigator.javaEnabled()) == "boolean") {
        WT.jo = navigator.javaEnabled() ? "Yes" : "No";
    }
    if (document.title) {
        WT.ti = gI18n ? dcsEscape(dcsEncode(document.title), I18NRE) : document.title;
    }
    WT.js = "Yes";
    WT.jv = dcsJV();
    if (document.body && document.body.addBehavior) {
        document.body.addBehavior("#default#clientCaps");
        WT.ct = document.body.connectionType || "unknown";
        document.body.addBehavior("#default#homePage");
        WT.hp = document.body.isHomePage(location.href) ? "1" : "0";
    }
    else {

        WT.ct = "unknown";
    }
    if (parseInt(navigator.appVersion) > 3) {
        if ((navigator.appName == "Microsoft Internet Explorer") && document.body) {
            WT.bs = document.body.offsetWidth + "x" + document.body.offsetHeight;
        }
        else if (navigator.appName == "Netscape") {
            WT.bs = window.innerWidth + "x" + window.innerHeight;
        }
    }
    WT.fi = "No";
    if (window.ActiveXObject) {
        for (var i = 10; i > 0; i--) {
            try {
                var flash = new ActiveXObject("ShockwaveFlash.ShockwaveFlash." + i);
                WT.fi = "Yes";
                WT.fv = i + ".0";
                break;
            }
            catch (e) {
            }
        }
    }
    else if (navigator.plugins && navigator.plugins.length) {
        for (var i = 0; i < navigator.plugins.length; i++) {
            if (navigator.plugins[i].name.indexOf('Shockwave Flash') != -1) {
                WT.fi = "Yes";
                WT.fv = navigator.plugins[i].description.split(" ")[2];
                break;
            }
        }
    }
    if (gI18n) {
        WT.em = (typeof (encodeURIComponent) == "function") ? "uri" : "esc";
        if (typeof (document.defaultCharset) == "string") {
            WT.le = document.defaultCharset;
        }
        else if (typeof (document.characterSet) == "string") {
            WT.le = document.characterSet;
        }
    }
    WT.tv = "8.0.2";
    //	WT.sp="@@SPLITVALUE@@";

    DCS.dcsdat = dCurrent.getTime();
    DCS.dcssip = window.location.hostname;
    DCS.dcsuri = window.location.pathname;
    if (window.location.search) {
        DCS.dcsqry = window.location.search;
        if (gQP.length > 0) {
            for (var i = 0; i < gQP.length; i++) {
                var pos = DCS.dcsqry.indexOf(gQP[i]);
                if (pos != -1) {
                    var front = DCS.dcsqry.substring(0, pos);
                    var end = DCS.dcsqry.substring(pos + gQP[i].length, DCS.dcsqry.length);
                    DCS.dcsqry = front + end;
                }
            }
        }
    }
    if ((window.document.referrer != "") && (window.document.referrer != "-")) {
        if (!(navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) < 4)) {
            DCS.dcsref = gI18n ? dcsEscape(window.document.referrer, I18NRE) : window.document.referrer;
        }
    }
}

function dcsA(N, V) {
    return "&" + N + "=" + dcsEscape(V, RE);
}

function dcsEscape(S, REL) {
    if (typeof (REL) != "undefined") {
        var retStr = new String(S);
        for (var R in REL) {
            retStr = retStr.replace(REL[R], R);

        }
        return retStr;
    }
    else {
        return escape(S);
    }
}

function dcsEncode(S) {
    return (typeof (encodeURIComponent) == "function") ? encodeURIComponent(S) : escape(S);
}

function dcsCreateImage(dcsSrc) {
    if (document.images) {
        gImages[gIndex] = new Image;
        gImages[gIndex].src = dcsSrc;
        gIndex++;
    }
    else {
        document.write('<IMG ALT="" BORDER="0" NAME="DCSIMG" WIDTH="1" HEIGHT="1" SRC="' + dcsSrc + '">');
    }
}

function dcsMeta() {
    var elems;
    if (document.all) {
        elems = document.all.tags("meta");
    }
    else if (document.documentElement) {
        elems = document.getElementsByTagName("meta");
    }
    if (typeof (elems) != "undefined") {
        var length = elems.length;
        for (var i = 0; i < length; i++) {
            var name = elems.item(i).name;
            var content = elems.item(i).content;
            var equiv = elems.item(i).httpEquiv;
            if (name.length > 0) {
                if (name.indexOf("WT.") == 0) {
                    var encode = false;
                    if (gI18n) {
                        var params = ["mc_id", "oss", "ti"];
                        for (var j = 0; j < params.length; j++) {
                            if (name.indexOf("WT." + params[j]) == 0) {
                                encode = true;
                                break;
                            }
                        }
                    }
                    WT[name.substring(3)] = encode ? dcsEscape(dcsEncode(content), I18NRE) : content;
                }
                else if (name.indexOf("DCSext.") == 0) {
                    DCSext[name.substring(7)] = content;
                }
                else if (name.indexOf("DCS.") == 0) {
                    DCS[name.substring(4)] = (gI18n && (name.indexOf("DCS.dcsref") == 0)) ? dcsEscape(content, I18NRE) : content;
                }
            }
            else if (gI18n && (equiv == "Content-Type")) {
                var pos = content.toLowerCase().indexOf("charset=");
                if (pos != -1) {
                    WT.mle = content.substring(pos + 8);
                }
            }
        }
    }
}

function dcsTag() {
    if (document.cookie.indexOf("WTLOPTOUT=") != -1) {
        return;
    }
    var P = "http" + (window.location.protocol.indexOf('https:') == 0 ? 's' : '') + "://" + gDomain + (gDcsId == "" ? '' : '/' + gDcsId) + "/dcs.gif?";
    for (var N in DCS) {
        if (DCS[N]) {
            P += dcsA(N, DCS[N]);
        }
    }
    var keys = ["co_f", "vt_sid", "vt_f_tlv"];
    for (var i = 0; i < keys.length; i++) {
        var key = keys[i];
        if (WT[key]) {
            P += dcsA("WT." + key, WT[key]);
            delete WT[key];
        }
    }
    for (N in WT) {
        if (WT[N]) {
            P += dcsA("WT." + N, WT[N]);
        }
    }
    for (N in DCSext) {
        if (DCSext[N]) {
            P += dcsA(N, DCSext[N]);
        }
    }
    if (P.length > 2048 && navigator.userAgent.indexOf('MSIE') >= 0) {
        P = P.substring(0, 2040) + "&WT.tu=1";
    }
    dcsCreateImage(P);
}

function dcsJV() {
    var agt = navigator.userAgent.toLowerCase();
    var major = parseInt(navigator.appVersion);
    var mac = (agt.indexOf("mac") != -1);
    var ff = (agt.indexOf("firefox") != -1);
    var ff0 = (agt.indexOf("firefox/0.") != -1);
    var ff10 = (agt.indexOf("firefox/1.0") != -1);
    var ff15 = (agt.indexOf("firefox/1.5") != -1);
    var ff2up = (ff && !ff0 && !ff10 & !ff15);
    var nn = (!ff && (agt.indexOf("mozilla") != -1) && (agt.indexOf("compatible") == -1));
    var nn4 = (nn && (major == 4));
    var nn6up = (nn && (major >= 5));
    var ie = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
    var ie4 = (ie && (major == 4) && (agt.indexOf("msie 4") != -1));
    var ie5up = (ie && !ie4);
    var op = (agt.indexOf("opera") != -1);
    var op5 = (agt.indexOf("opera 5") != -1 || agt.indexOf("opera/5") != -1);
    var op6 = (agt.indexOf("opera 6") != -1 || agt.indexOf("opera/6") != -1);
    var op7up = (op && !op5 && !op6);
    var jv = "1.1";
    if (ff2up) {
        jv = "1.7";
    }
    else if (ff15) {
        jv = "1.6";
    }
    else if (ff0 || ff10 || nn6up || op7up) {
        jv = "1.5";
    }
    else if ((mac && ie5up) || op6) {
        jv = "1.4";
    }
    else if (ie5up || nn4 || op5) {
        jv = "1.3";
    }
    else if (ie4) {
        jv = "1.2";
    }
    return jv;
}

function dcsFunc(func) {
    if (typeof (window[func]) == "function") {
        window[func]();
    }
}

dcsVar();
dcsMeta();
//dcsFunc("dcsAdv");
dcsTag();
// --- END OF Basic SmartSource Data Collector TAG --------------------
/*********************************************************************/

/*********************************************************************
* JavaScript functions specific to 2008 refresh.
*********************************************************************/
displaySearchCollection = false;
function toggleSearchCollection() {
    displaySearchCollection = !displaySearchCollection;
    document.getElementById("collectionMenu").style.display = (displaySearchCollection == true) ? "block" : "none";
}

function toggleObject(name, isDisplay) {
    document.getElementById(name).style.display = (isDisplay == true) ? "block" : "none";
}

function toggleFooterLink(number, status) {
    if (status) {
        document.getElementById("footerIcon" + number).style.textDecoration = "underline";
    } else {
        document.getElementById("footerIcon" + number).style.textDecoration = "none";
    }
}

var searchText = "Search";
function resetSearchField(obj) {
    if (obj.value == searchText) {
        obj.value = "";
        obj.style.color = "#000";
    } else if (obj.value == "") {
        obj.value = searchText;
        obj.style.color = "#333";
    }
}

function isSearchFormCompleted(objForm) {
    if ((objForm.q.value == "Search" || objForm.q.value == "") && objForm.pn.value == '1') {
        location.href = "http://www.altera.com/cgi-bin/devsearch.pl";
        return false;
    } else if ((objForm.q.value == "Search" || objForm.q.value == "")) {
        objForm.q.value = "";
        objForm.pn.value = '0';
    }
    return true;
}

function updateSearchCollection(nodeId, toggleSearchOff) {
    if (!document.theSearchForm) return;

    document.theSearchForm.pn.value = '0';

    var hostname = window.location.hostname.toLowerCase();
    if (hostname.indexOf("cn") > 0 || hostname.indexOf("china") == 0 || window.location.href.indexOf(".com/cn/") > 0) {
        switch (nodeId) {
            case 1: document.theSearchForm.site.value = 'china'; document.theSearchForm.pn.value = '1'; break;
            case 2: document.theSearchForm.site.value = 'www_spt_kdb'; break;
            case 3: document.theSearchForm.site.value = 'china_spt_techdocs'; break;
            case 4: document.theSearchForm.site.value = 'www_forum'; break;
            default: document.theSearchForm.site.value = 'china';
        }
    } else if (hostname.indexOf("jp") > 0 || hostname.indexOf("japan") == 0 || window.location.href.indexOf(".com/jp/") > 0) {
        switch (nodeId) {
            case 1: document.theSearchForm.site.value = 'japan'; document.theSearchForm.pn.value = '1'; break;
            case 2: document.theSearchForm.site.value = 'japan_spt_kdb'; break;
            case 3: document.theSearchForm.site.value = 'japan_spt_techdocs'; break;
            case 4: document.theSearchForm.site.value = 'www_forum'; break;
            default: document.theSearchForm.site.value = 'japan';
        }
    } else {
        switch (nodeId) {
            case 1: document.theSearchForm.site.value = 'www'; document.theSearchForm.pn.value = '1'; break;
            case 2: document.theSearchForm.site.value = 'www_spt_kdb'; break;
            case 3: document.theSearchForm.site.value = 'www_spt_techdocs'; break;
            case 4: document.theSearchForm.site.value = 'www_forum'; break;
            default: document.theSearchForm.site.value = 'www';
        }
    }
    var collectionMenu = document.getElementById("collectionMenu");
    var counter = -1;
    for (var i = 0; i < collectionMenu.childNodes.length; i++) {
        if (collectionMenu.childNodes[i].nodeName == "LI")
            counter++;
        else
            continue;
        if (nodeId == counter) {
            collectionMenu.childNodes[i].style.color = "#06c";
        } else {
            collectionMenu.childNodes[i].style.color = "#333";
        }
    }
    if (!toggleSearchOff)
        toggleSearchCollection();
}


displayLanguageOptions = false;
function toggleLanguageOptions() {
    displayLanguageOptions = !displayLanguageOptions;
    document.getElementById("languageMenu").style.display = (displayLanguageOptions == true) ? "block" : "none";
}

/***********************************************************************
* 2009-04-23: JavaScript variables and function used in the tab in the content area. 
* This functionality will kick in when the "tab heading" DIV is defined.
* Reminder: Be sure to call initializeContentTab() from the initalizeTemplateEvents() 
* TODO: Find a clearner way to define the onlick event. 
**********************************************************************/
var TAB_NAME_PREFIX = "tab-heading";
var TAB_CONTENT_PREFIX = "tab-content";
var currentTab = 1;

function initializeContentTab() {
    // --- If tab exists, initialize the tab by assigning id attribute and onclick. ---
    if (document.getElementById(TAB_NAME_PREFIX)) {
        document.getElementById(TAB_NAME_PREFIX).style.display = "block";
        var lists = document.getElementById(TAB_NAME_PREFIX).getElementsByTagName("li");
        for (var i = 0; i < lists.length; i++) {
            lists[i].id = TAB_NAME_PREFIX + "-" + (i + 1);
            switch (i + 1) {
                case 1: lists[i].onclick = function() { activateContentTab(1); return false; }; break;
                case 2: lists[i].onclick = function() { activateContentTab(2); return false; }; break;
                case 3: lists[i].onclick = function() { activateContentTab(3); return false; }; break;
                case 4: lists[i].onclick = function() { activateContentTab(4); return false; }; break;
                case 5: lists[i].onclick = function() { activateContentTab(5); return false; }; break;
                case 6: lists[i].onclick = function() { activateContentTab(6); return false; }; break;
                default: lists[i].onclick = function() { activateContentTab(1); return false; }
            }
            if ((i + 1) != currentTab) { document.getElementById(TAB_CONTENT_PREFIX + "-" + (i + 1)).style.display = "none"; }
        }
        activateContentTab(1);
    }
}

function activateContentTab(tabNumber) {
    var oldTab = document.getElementById(TAB_NAME_PREFIX + "-" + currentTab);
    oldTab.style.background = "url(/common/icons/tab/tab-right.gif) no-repeat right top";
    var lists = oldTab.getElementsByTagName("A");
    if (lists) {
        lists[0].style.background = "url(/common/icons/tab/tab-left.gif) no-repeat left top";
        lists[0].style.color = "#fff";
    }

    var newTab = document.getElementById(TAB_NAME_PREFIX + "-" + tabNumber);
    newTab.style.background = "url(/common/icons/tab/selected-right.gif) no-repeat right top";
    lists = newTab.getElementsByTagName("A");
    if (lists) {
        lists[0].style.background = "url(/common/icons/tab/selected-left.gif) no-repeat left top";
        lists[0].style.color = "#069";
    }

    document.getElementById(TAB_CONTENT_PREFIX + "-" + currentTab).style.display = "none";
    document.getElementById(TAB_CONTENT_PREFIX + "-" + tabNumber).style.display = "block";
    currentTab = tabNumber;
}

/*********************************************************************
* Main gateway to initialize everything we need for the template. 
* The intialization involves 
* + intialize the onclick event for the document, search drop down  
*   and collection items, language drop down and link items
* + setting collapsable left navigation
* + initialize search collection 
*********************************************************************/
if (document.addEventListener) {
    document.addEventListener("DOMContentLoaded", initalizeTemplateEvents, false);
} else {
    window.onload = initalizeTemplateEventsIE;
}

function initalizeTemplateEventsIE() {
    initalizeTemplateEvents();
    // --- IE specific JavaScript statements ---
}

function initalizeTemplateEvents() {
    document.onclick = function(e) {
        displaySearchCollection = false;
        displayLanguageOptions = false;
        if (document.getElementById("collectionMenu")) toggleObject("collectionMenu", false);
        if (document.getElementById("languageMenu")) toggleObject("languageMenu", false);
    }

    if (document.getElementById("searchDropdown")) {
        document.getElementById("searchDropdown").onclick = function(e) {
            if (!e) var e = window.event; if (e.stopPropagation) { e.stopPropagation(); } else { e.cancelBubble = true; }
            toggleSearchCollection();
        }
    }

    if (document.getElementById("languageDropdown")) {
        document.getElementById("languageDropdown").onclick = function(e) {
            if (!e) var e = window.event; if (e.stopPropagation) { e.stopPropagation(); } else { e.cancelBubble = true; }
            toggleLanguageOptions();
        }
    }

    if (document.getElementById("collectionMenu")) {
        var collectionItems = document.getElementById("collectionMenu").getElementsByTagName("li");
        for (var itemCount = 0; itemCount < collectionItems.length; itemCount++) {
            if (itemCount == 1) {
                collectionItems[itemCount].onclick = function(e) { if (!e) var e = window.event; if (e.stopPropagation) { e.stopPropagation(); } else { e.cancelBubble = true; } updateSearchCollection(1); }
            } else if (itemCount == 2) {
                collectionItems[itemCount].onclick = function(e) { if (!e) var e = window.event; if (e.stopPropagation) { e.stopPropagation(); } else { e.cancelBubble = true; } updateSearchCollection(2); }
            } else if (itemCount == 3) {
                collectionItems[itemCount].onclick = function(e) { if (!e) var e = window.event; if (e.stopPropagation) { e.stopPropagation(); } else { e.cancelBubble = true; } updateSearchCollection(3); }
            } else if (itemCount == 4) {
                collectionItems[itemCount].onclick = function(e) { if (!e) var e = window.event; if (e.stopPropagation) { e.stopPropagation(); } else { e.cancelBubble = true; } updateSearchCollection(4); }
            } else {
                collectionItems[itemCount].onclick = function(e) { if (!e) var e = window.event; if (e.stopPropagation) { e.stopPropagation(); } else { e.cancelBubble = true; } updateSearchCollection(0); }
            }
        }
    }
    if (document.getElementById("lang-en")) { document.getElementById("lang-en").onclick = function(e) { document.location = document.getElementById("lang-en").getElementsByTagName("a")[0].href; } }
    if (document.getElementById("lang-zh_CN")) { document.getElementById("lang-zh_CN").onclick = function(e) { document.location = document.getElementById("lang-zh_CN").getElementsByTagName("a")[0].href; } }
    if (document.getElementById("lang-ja")) { document.getElementById("lang-ja").onclick = function(e) { document.location = document.getElementById("lang-ja").getElementsByTagName("a")[0].href; } }

    leftnavCollapsableInit();
    updateSearchCollection(0, true);

    // --- 2009-09-01: Added to prevent the 404 being captured @ Vtrenz ---
    if (document.domain.indexOf("www") >= 0 && document.title != "Page not found" && document.title != "找不到该页") {
        loadExternalFile("https://gw-services.vtrenz.net/WebCookies/iMAWebCookie.js?D26BF81D-E463-4098-B267-1EEFD139D220");
    }

    // --- 2009-11-17: Initialize the myAltera tab ---
    popupSignin();
    var contactId = GetCookie("ContactId");
    if (document.getElementById("before-sign-in")) document.getElementById("before-sign-in").style.display = (contactId == null) ? "inline" : "none";
    if (document.getElementById("after-sign-in")) document.getElementById("after-sign-in").style.display = (contactId == null) ? "none" : "inline";

    // --- Initialize the tab in the content page ---
    initializeContentTab();
}

/*********************************************************************
* JavaScript functions specific to left navigation for 2008 refresh.
*********************************************************************/
var WEBSITE_HOSTNAME = window.location.hostname.toLowerCase();
var URL_PREFIX = window.location.protocol + "//" + WEBSITE_HOSTNAME;
if (WEBSITE_HOSTNAME.indexOf("www") < 0 && WEBSITE_HOSTNAME != ("altera.com") < 0 && WEBSITE_HOSTNAME.indexOf("altera.co.jp") < 0 && WEBSITE_HOSTNAME.indexOf("altera.com.cn") < 0) {
    URL_PREFIX = "http://www.altera.com";
}
var COLLAPSABLE_EXPAND_LEFTNAV_IMG = URL_PREFIX + "/common/template/08/arrow-diag-11pts.gif";
var COLLAPSABLE_SHRINK_LEFTNAV_IMG = URL_PREFIX + "/common/template/08/arrow-down-11pts.gif";
var COLLAPSABLE_START_LEFTNAV_TYPE = "li";
var COLLAPSABLE_PARENT_LEFTNAV_TYPE = "div";
var COLLAPSABLE_PARENT_NAME_LEFTNAV_CATEGORY = "collapsable-leftnav";
var COLLAPSABLE_CHILD_LEFTNAV_TYPE = "span";

var default_expand_node = "";
var default_expand_node4 = "";
var default_expand_node5 = "";
var default_expand_node6 = "";
var default_highline_node = "";

var flat = 0;

leftnavCollapsableInit = function() {
    if (document.getElementById && document.createTextNode) {
        var entries = document.getElementsByTagName(COLLAPSABLE_PARENT_LEFTNAV_TYPE);
        for (i = 0; i < entries.length; i++) {
            if (entries[i].className == COLLAPSABLE_PARENT_NAME_LEFTNAV_CATEGORY)
                assignLeftnavCollapseImg(entries[i]); // --- Used with image-based icons ---
        }
    }
    //after set the default expand section, set the default highlight for the page
    setLeftnavHighlight();
}

function setLeftnavHighlight() {
    if (document.getElementById && document.createElement) {
        if (default_highline_node != "") {
            document.getElementById(default_highline_node).childNodes[0].style.color = '#f93';
            //document.getElementById(default_highline_node).parentNode.style.backgroundColor = "#FFFFFF";
        }
    } else
        alert('Your browser doesn\'t support the Level 1 DOM');
}

/**
* Assign collapse/expand image to each block, based on the tag's class name.
*/
function assignLeftnavCollapseImg(div) {
    var leftnavcollapsableIcon = document.createElement('img');
    leftnavcollapsableIcon.className = 'leftnavtwisty';
    leftnavcollapsableIcon.setAttribute('align', 'bottom');
    leftnavcollapsableIcon.style.color = '#0000ff';
    leftnavcollapsableIcon.setAttribute('expand', COLLAPSABLE_EXPAND_LEFTNAV_IMG);
    leftnavcollapsableIcon.setAttribute('shrink', COLLAPSABLE_SHRINK_LEFTNAV_IMG);

    if (default_expand_node != "" && div.getElementsByTagName(COLLAPSABLE_START_LEFTNAV_TYPE)[0].id == default_expand_node) {
        leftnavcollapsableIcon.setAttribute('leftnavstate', 1);
    } else if (default_expand_node4 != "" && div.getElementsByTagName(COLLAPSABLE_START_LEFTNAV_TYPE)[0].id == default_expand_node4) {
        leftnavcollapsableIcon.setAttribute('leftnavstate', 1);
    } else if (default_expand_node5 != "" && div.getElementsByTagName(COLLAPSABLE_START_LEFTNAV_TYPE)[0].id == default_expand_node5) {
        leftnavcollapsableIcon.setAttribute('leftnavstate', 1);
    } else if (default_expand_node6 != "" && div.getElementsByTagName(COLLAPSABLE_START_LEFTNAV_TYPE)[0].id == default_expand_node6) {
        leftnavcollapsableIcon.setAttribute('leftnavstate', 1);
    } else {
        leftnavcollapsableIcon.setAttribute('leftnavstate', -1);
    }

    div.insertBefore(leftnavcollapsableIcon, div.getElementsByTagName(COLLAPSABLE_START_LEFTNAV_TYPE)[0]);
    if (div.className == COLLAPSABLE_PARENT_NAME_LEFTNAV_CATEGORY) {
        leftnavcollapsableIcon.style.cursor = 'pointer';
        leftnavcollapsableIcon.onclick = function() { twistyLeftnavImages(leftnavcollapsableIcon, 0, div); }
        leftnavcollapsableIcon.onclick();
    }
}

function twistyLeftnavImages(leftnavcollapsableIcon, flat, div) {
    var state = "";
    if (flat == 0) {
        state = -(1 * leftnavcollapsableIcon.getAttribute('leftnavstate'));
        leftnavcollapsableIcon.setAttribute('leftnavstate', state);
        leftnavcollapsableIcon.parentNode.getElementsByTagName(COLLAPSABLE_CHILD_LEFTNAV_TYPE)[0].style.display = state == 1 ? 'none' : 'block';

        if (leftnavcollapsableIcon.getAttribute('leftnavstate') == 1)
            leftnavcollapsableIcon.src = COLLAPSABLE_EXPAND_LEFTNAV_IMG;
        else
            leftnavcollapsableIcon.src = COLLAPSABLE_SHRINK_LEFTNAV_IMG;

    } else if (flat == 1) { // --- expand all ---
        leftnavcollapsableIcon.parentNode.getElementsByTagName(COLLAPSABLE_CHILD_LEFTNAV_TYPE)[0].style.display = 'block';
        leftnavcollapsableIcon.src = COLLAPSABLE_SHRINK_LEFTNAV_IMG; // --- use image as collapse/expand icon --- 
        leftnavcollapsableIcon.setAttribute('leftnavstate', 1);
        leftnavcollapsableIcon.onclick();
    } else if (flat == -1) {// --- collaps all --- 
        leftnavcollapsableIcon.parentNode.getElementsByTagName(COLLAPSABLE_CHILD_LEFTNAV_TYPE)[0].style.display = 'none';
        leftnavcollapsableIcon.src = COLLAPSABLE_EXPAND_LEFTNAV_IMG; // --- use image as collapse/expand icon --- 
        leftnavcollapsableIcon.setAttribute('leftnavstate', -1);
        leftnavcollapsableIcon.onclick();
    }
}

/** 2009-03-26: Merged into other template code *
if (document.addEventListener) {    
document.addEventListener("DOMContentLoaded", leftnavCollapsableInit, false);
} else {
window.onload=leftnavCollapsableInit;
}
*/

/*************************************************************************************************************
* The following functions are used in the tree expand/collapse function. - Erin (2007-01-31)
* It apply to literature, board design, KDB expand/collapse listing
* Example: Cyclone III HandBood listing
* Usage pattern:
<div class='collapsable'>
<h4>"Application Notes" or "Volume 1 - Stratix III Device Handbook"</h4>
<span>
text here
</span>
</div>
* Implementation note: The tree icon can be text or image based. 
*                      Overwrite the functions here rin a different .js (JavaScript) file.
***************************************************************************************************************/
var COLLAPSABLE_PARENT_NAME = "collapsable";
var COLLAPSABLE_PARENT_TYPE = "div";
var COLLAPSABLE_CHILD_TYPE = "span"; // --- all text that can be expand/collaps must put it between <span></span> tag --- 
var COLLAPSABLE_START_TYPE = "h4";   // --- the marker to start put the [+] and [-] symbol ---
var COLLAPSABLE_EXPAND = "[+]";
var COLLAPSABLE_SHRINK = "[&ndash;]";
var flat = 0;  	// default: flat=0, expand all: flat=1, collaps all: flat=-1 

/**
* Assign collapsable image to desginated block 
*/
function assignCollapse(div) {
    // --- Creates an instance of the element object with tag name "a"
    var collapsableIcon = document.createElement('a');
    collapsableIcon.className = 'twisty';
    // --- DOM Style Object:represents an individual style statement
    // --- cursor: sets the type of cursor to be displayed.
    // --- example: value=pointer -- the cursor indicates a link
    // ---          value=text    -- the cursor indicates text
    collapsableIcon.style.cursor = 'pointer';
    // --- create a e/c attribute, ready to be inserted somewhere in document
    collapsableIcon.setAttribute('expand', COLLAPSABLE_EXPAND);
    collapsableIcon.setAttribute('shrink', COLLAPSABLE_SHRINK);

    // --- Default to collapse all ---
    // collapsableIcon.setAttribute('state', -1); 

    // volume section default to expanded and related doc default to collapse
    collapsableIcon.setAttribute('state', 1);

    // --- Syntax: parentObj.insertBefore(childObj, brotherObj)
    div.insertBefore(collapsableIcon, div.getElementsByTagName(COLLAPSABLE_START_TYPE)[0]);
    collapsableIcon.onclick = function() { twisty(collapsableIcon, 0); }
    collapsableIcon.onclick();
}

function twisty(collapsableIcon, flat) {
    var state = "";
    if (flat == 0) {
        state = -(1 * collapsableIcon.getAttribute('state'));
        collapsableIcon.setAttribute('state', state);
        collapsableIcon.parentNode.getElementsByTagName(COLLAPSABLE_CHILD_TYPE)[0].style.display = state == 1 ? 'none' : 'block';
        collapsableIcon.innerHTML = collapsableIcon.getAttribute(state == 1 ? 'expand' : 'shrink');
    } else if (flat == 1) { // --- expand all ---
        collapsableIcon.parentNode.getElementsByTagName(COLLAPSABLE_CHILD_TYPE)[0].style.display = 'block';
        // ---  alert(collapsableIcon.parentNode.getElementsByTagName(COLLAPSABLE_CHILD_TYPE)[0]);
        collapsableIcon.innerHTML = collapsableIcon.getAttribute('shrink');
        collapsableIcon.setAttribute('state', 1);
        collapsableIcon.onclick();
    } else if (flat == -1) { // --- collaps all ---
        collapsableIcon.parentNode.getElementsByTagName(COLLAPSABLE_CHILD_TYPE)[0].style.display = 'none';
        collapsableIcon.innerHTML = collapsableIcon.getAttribute('expand');
        collapsableIcon.setAttribute('state', -1);
        collapsableIcon.onclick();
    }
}

changeLink = function(setting) {
    var tempstatus = "";
    var alink = "";
    if (document.getElementById && document.createTextNode) {
        var aentries = document.getElementsByTagName(COLLAPSABLE_PARENT_TYPE);
        for (var i = 0; i < aentries.length; i++) {
            if (aentries[i].className == COLLAPSABLE_PARENT_NAME) {
                alink = aentries[i].getElementsByTagName("a")[0];
                if (setting == "expand")
                    twisty(alink, 1);
                else if (setting == "collapse")
                    twisty(alink, -1);
            }
        }
    }
}

function twistyImages(collapsableIcon, flat) {
    var state = "";
    if (flat == 0) {
        state = -(1 * collapsableIcon.getAttribute('state'));
        collapsableIcon.setAttribute('state', state);
        collapsableIcon.parentNode.getElementsByTagName(COLLAPSABLE_CHILD_TYPE)[0].style.display = state == 1 ? 'none' : 'block';
        if (collapsableIcon.getAttribute('state') == 1)
            collapsableIcon.src = COLLAPSABLE_EXPAND_IMG;
        else
            collapsableIcon.src = COLLAPSABLE_SHRINK_IMG;
    } else if (flat == 1) { // --- expand all ---
        collapsableIcon.parentNode.getElementsByTagName(COLLAPSABLE_CHILD_TYPE)[0].style.display = 'block';
        collapsableIcon.src = COLLAPSABLE_SHRINK_IMG; // --- use image as collapse/expand icon --- 
        collapsableIcon.setAttribute('state', 1);
        collapsableIcon.onclick();

    } else if (flat == -1) {// --- collaps all --- 
        collapsableIcon.parentNode.getElementsByTagName(COLLAPSABLE_CHILD_TYPE)[0].style.display = 'none';
        collapsableIcon.src = COLLAPSABLE_EXPAND_IMG; // --- use image as collapse/expand icon --- 
        collapsableIcon.setAttribute('state', -1);
        collapsableIcon.onclick();
    }
}

changeLinkImg = function(setting) {
    var tempstatus = "";
    var alink = "";
    // --- if there are switch contents defined on the page --- 
    if (document.getElementById && document.createTextNode) {
        var aentries = document.getElementsByTagName(COLLAPSABLE_PARENT_TYPE);
        for (var i = 0; i < aentries.length; i++) {
            if (aentries[i].className == COLLAPSABLE_PARENT_NAME) {
                alink = aentries[i].getElementsByTagName("img")[0];   // --- if use image as collapse/expand icon ---
                if (setting == "expand")
                    twistyImages(alink, 1);
                else if (setting == "collapse")
                    twistyImages(alink, -1);
            }
        }
    }
}

/****************************************************
JavaScript for the Home Page
*****************************************************/
function toggleTabContent(number) {
    for (var i = 1; i <= 3; i++) {
        document.getElementById("hpTabContent" + i).style.display = "none";
        document.getElementById("tabMenu" + i).style.backgroundImage = "url(/images/tab-color.gif)";
    }
    document.getElementById("hpTabContent" + number).style.display = "block";
    document.getElementById("tabMenu" + number).style.backgroundImage = "url(/images/tab-white.gif)";
}

function changeLanguage(selectObj) {
    var lang = selectObj.options[selectObj.selectedIndex].value;
    if (lang == "en") {
        document.location = "http://www.altera.com";
    } else if (lang == "zh_CN") {
        document.location = "http://www.altera.com.cn";
    } else if (lang == "ja") {
        document.location = "http://www.altera.co.jp";
    }
}

function setTimer(callback, blockId, duration, setTimer) {
    if (blockId == "" || callback == "" || duration < 0) return;
    if (setTimer == true) {
        timerId = setTimeout(callback + "(" + blockId + ")", duration);
    } else {
        clearTimeout(timerId);
        timerId = -1;
    }
}

function toggleTab(newBlockId) {
    if (newBlockId < 1 || newBlockId > 3) return;

    //document.getElementById("hp-tab-heading").style.backgroundImage = "url(images/tabs-" + newBlockId + ".png)";
//    for (i = 1; i <= 3; i++) {
//        if (i == newBlockId) {
//            document.getElementById("hp-tab-heading-" + i).style.color = "#06c";
//            document.getElementById("tab-content-" + i).style.display = "block";
//        } else {
//            document.getElementById("hp-tab-heading-" + i).style.color = "#fff";
//            document.getElementById("tab-content-" + i).style.display = "none";
//        }
//    }
}

// --- 2008-05-15: Candidate for removal ---
function addEvent(obj, type, fn) {
    if (obj.addEventListener)
        obj.addEventListener(type, fn, false);
    else if (obj.attachEvent)
        obj.attachEvent("on" + type, fn);
}

function go() {
    // --- Reset the CSS for the Search Form if JavaScript is enable ---
    document.getElementById("searchQuery").style.width = "155px";
    document.getElementById("searchDropdown").style.display = "inline";

    // --- For language drop down menu ---
    // --- 2009-03-30: No longer in use ---
    // document.getElementById("language-select").style.width = "172px";

    // --- Initialize tab ---
    timerId = -1;
    toggleTab(1);
    //document.getElementById("tab-content").style.height = "172px";
    //document.getElementById("tab-gh-container").style.height = "202px";
}

/***************************************************************
* General purpose JavaScript functions
**************************************************************/

/**
* Duplicated from /js.lib/cookie2.js so we do not need to 
* include additional file for just one fuction only. 
*/
function getCookieVal(offset) {
    var endstr = document.cookie.indexOf(";", offset);
    if (endstr == -1)
        endstr = document.cookie.length;
    return unescape(document.cookie.substring(offset, endstr));
}

function GetCookie(name) {
    var arg = name + "=";
    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 getCookieVal(j);
        i = document.cookie.indexOf(" ", i) + 1;
        if (i == 0) break;
    }
    return null;
}

/**
* To load external file, js or css dynamically.
*/
function loadExternalFile(filename) {
    var elementObj;
    if (filename.indexOf(".js") > 0) {
        elementObj = document.createElement('script')
        elementObj.setAttribute("type", "text/javascript")
        elementObj.setAttribute("src", filename)
    } else if (filename.indexOf(".css") > 0) {
        elementObj = document.createElement("link")
        elementObj.setAttribute("rel", "stylesheet")
        elementObj.setAttribute("type", "text/css")
        elementObj.setAttribute("href", filename)
    }
    if (typeof elementObj != "elementObj") {
        document.getElementsByTagName("head")[0].appendChild(elementObj);
    }
}

/***************************************************************
* JavaScript for the database-driven listing page
**************************************************************/
/*
var index = document.URL.indexOf("/literature/");
if (index>=0 && index<document.URL.indexOf(".jsp")) { 
loadExternalFile("/js.lib/dhtmlwindow/dhtmlwindow.js");
loadExternalFile("/js.lib/dhtmlwindow/dhtmlwindow.css");
/***********************************************
* DHTML Window Widget- © Dynamic Drive (www.dynamicdrive.com)
* This notice must stay intact for legal use.
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/
/*}*/

var inlinePopup;
function subscribeAlert(dssId) {
    inlinePopup = dhtmlwindow.open(
		"individualDocumentSubscription",
		"iframe",
		"https://www.altera.com/servlets/subscriptions/alert?dp=pop&id=" + dssId,
		"Subscription by Individual Document",
		"width=350px,height=350px,resize=1,scrolling=1,center=1"
	);
}