/*globals dcsMultiTrack, _tag*/

var fix_params = new Array('DCS.dcssip', 'support.xbox.com', 'DCS.dcsuri', location.pathname);

function wt_dcsMultiTrack_gen(args, v) {
    var full_args = [];
    [ ].push.apply(full_args, fix_params);
    [ ].push.apply(full_args, [].slice.call(args));
    [ ].push.apply(full_args, ["WT.dl", v]);
    dcsMultiTrack.apply(null, full_args);
}

function wt_link_click() {
    wt_dcsMultiTrack_gen(arguments, "1");
}

function wt_link_click_level(num, val) {
    if (num <= 1) {
        _tag.WT.z_level2 = '';
    }
    if (num <= 2) {
        _tag.WT.z_level3 = '';
    }
    var urlWithHash = location.host + location.pathname + location.hash;
    wt_link_click('WT.z_level' + num, val, 'WT.ti', '', 'DCSext.wtEvtSrc', urlWithHash, 'WT.es', urlWithHash);
}

function wt_page_view() {
    wt_dcsMultiTrack_gen(arguments, "0");
}

function LiveStatusWT() {
    wt_link_click('WT.ti', "Xbox LIVE Status");
}

/*
* Author: Rob Reid
* CreateDate: 20-Mar-09
* Description: Little helper function to return details about IE 8 and its various compatibility settings either use as it is
* or incorporate into a browser object. Remember browser sniffing is not the best way to detect user-settings as spoofing is
* very common so use with caution.
*/
function IEVersion() {
    var _n = navigator, _w = window, _d = document;
    var version = "NA";
    var na = _n.userAgent;
    var ieDocMode = "NA";
    var ie8BrowserMode = "NA";
    // Look for msie and make sure its not opera in disguise
    if (/msie/i.test(na) && (!_w.opera)) {
        // also check for spoofers by checking known IE objects
        if (_w.attachEvent && _w.ActiveXObject) {
            // Get version displayed in UA although if its IE 8 running in 7 or compat mode it will appear as 7
            version = (na.match(/.+ie\s([\d.]+)/i) || [])[1];
            // Its IE 8 pretending to be IE 7 or in compat mode         
            if (parseInt(version, 10) === 7) {
                // documentMode is only supported in IE 8 so we know if its here its really IE 8
                if (_d.documentMode) {
                    version = 8; //reset? change if you need to
                    // IE in Compat mode will mention Trident in the useragent
                    if (/trident\/\d/i.test(na)) {
                        ie8BrowserMode = "Compat Mode";
                        // if it doesn't then its running in IE 7 mode
                    } else {
                        ie8BrowserMode = "IE 7 Mode";
                    }
                }
            } else if (parseInt(version, 10) === 8) {
                // IE 8 will always have documentMode available
                if (_d.documentMode) {
                    ie8BrowserMode = "IE 8 Mode";
                }
            }
            // If we are in IE 8 (any mode) or previous versions of IE we check for the documentMode or compatMode for pre 8 versions               
            ieDocMode = (_d.documentMode) ? _d.documentMode : (_d.compatMode && _d.compatMode === "CSS1Compat") ? 7 : 5; //default to quirks mode IE5                                     
        }
    }

    return {
        "UserAgent": na,
        "Version": version,
        "BrowserMode": ie8BrowserMode,
        "DocMode": ieDocMode
    };
}