//front door panel
var sTabLayersPanel = "tablayer-nb-software,tablayer-nb-music,tablayer-nb-games";
var sTabsPanel = "tab-nb-software,tab-nb-music,tab-nb-games,tab-nb-video";
var sImageNameBasesPanel = "tabs_navbox_software,tabs_navbox_music,tabs_navbox_games";

//front door most popular
var sTabLayersFDMP = "tablayer-mp-software,tablayer-mp-music,tablayer-mp-games";
var sTabsFDMP = "tab-mp-software,tab-mp-music,tab-mp-games";
var sImageNameBasesFDMP = "tabs_mp_software,tabs_mp_music,tabs_mp_games";

//init front door panel
var software_off = 'http://i.d.com.com/i/dl/doors/tabs_navbox_software_off.gif';
var software_over = 'http://i.d.com.com/i/dl/doors/tabs_navbox_software_over.gif';
var software_on = 'http://i.d.com.com/i/dl/doors/tabs_navbox_software_on.gif';
var software_load = software_on;

var music_off = 'http://i.d.com.com/i/dl/doors/tabs_navbox_music_off.gif';
var music_over = 'http://i.d.com.com/i/dl/doors/tabs_navbox_music_over.gif';
var music_on = 'http://i.d.com.com/i/dl/doors/tabs_navbox_music_on.gif';
var music_load = music_off;

var games_off = 'http://i.d.com.com/i/dl/doors/tabs_navbox_games_off.gif';
var games_over = 'http://i.d.com.com/i/dl/doors/tabs_navbox_games_over.gif';
var games_on = 'http://i.d.com.com/i/dl/doors/tabs_navbox_games_on.gif';
var games_load = games_off;

function initTabs() {
    document.getElementById('tab-nb-software').src = software_load;
    document.getElementById('tab-nb-music').src = music_load;
    document.getElementById('tab-nb-games').src = games_load;
}

function ShowFdTab(sTabLayers,sTabs,sImageNameBases,iIndex) {
    var aTabLayers = sTabLayers.split(",");
    var aTabs = sTabs.split(",");
    var aImageNameBases = sImageNameBases.split(",");
    var i = 0;

    for(i=0;i<aTabLayers.length;i++) {
        //turn off all tab sections
        document.getElementById(aTabLayers[i]).style.display = "none";

        //turn off all tabs themselves
        document.getElementById(aTabs[i]).src = "/i/dl/doors/" + aImageNameBases[i] + "_off.gif";
    }

    //display the correct tab section and tab image (according to the arguments passed in to this function)
    var sSectionDivId = aTabLayers[iIndex];
    var sTabImageId = aTabs[iIndex];
    document.getElementById(sSectionDivId).style.display = "block";
    document.getElementById(sTabImageId).src = "/i/dl/doors/" + aImageNameBases[iIndex] + "_on.gif";

    // load tracking gif.
    var time = new Date();
    var dts = '' + time.getFullYear() + time.getMonth() + time.getDate() + time.getHours() + time.getMinutes() + time.getSeconds();
    var tGif = dwUrl + '&lop=' + aImageNameBases[iIndex] + '&destUrl=%2Fb.gif%3Fds%3D' + dts;
    document.getElementById("trackGif").src = tGif;
}

function loadFdPanelTracker(url) {
    var req;
    req = false;
    // branch for native XMLHttpRequest object
    if(window.XMLHttpRequest) {
        try {
            req = new XMLHttpRequest();
        } catch(e) {
            req = false;
        }
    // branch for IE/Windows ActiveX version
    } else if(window.ActiveXObject) {
        try {
            req = new ActiveXObject("Msxml2.XMLHTTP");
        } catch(e) {
            try {
                req = new ActiveXObject("Microsoft.XMLHTTP");
            } catch(e) {
                req = false;
            }
        }
    }
    if(req) {
        req.open("GET", url, true);
        req.send("");
    }
}