// JavaScript Document

function setMainNav(req) {
    var container = document.createElement('div');
    container.innerHTML = req.responseText;
    // container is NOT inserted into the document!

    var x = container.getElementsByTagName('div');
    var siteMap;
    for (var i = 0; i < x.length; i++) {
        if (x[i].id == 'MainNav') {
            siteMap = x[i];
            break;
        }
    }

    if (!siteMap)
        return;

    var pageName = location.href, pageHash;
    if (pageHash = pageName.lastIndexOf('#') + 1)
        pageName = pageName.substring(0, pageHash - 1);

    document.getElementById('navbar').insertBefore(siteMap, null);
    container.innerHTML = '';
}


//XMLHTTP


function sendRequest(url, callback, postData) {
    var req = createXMLHTTPObject();

    if (!req)
        return;

    var method = (postData) ? "POST" : "GET";
    req.open(method, url, true);
    req.setRequestHeader('User-Agent', 'XMLHTTP/1.0');

    if (postData)
        req.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');

    req.onreadystatechange = function() {
        if (req.readyState != 4)
            return;

        if (req.status != 200 && req.status != 304) {
            //			alert('HTTP error ' + req.status);
            return;
        }
        callback(req);
    };

    if (req.readyState == 4)
        return;

    req.send(postData);
}

var XMLHttpFactories = [function() {
    return new XMLHttpRequest();
}, function() {
    return new ActiveXObject("Msxml2.XMLHTTP");
}, function() {
    return new ActiveXObject("Msxml3.XMLHTTP");
}, function() {
    return new ActiveXObject("Microsoft.XMLHTTP");
}
];

function createXMLHTTPObject() {
    var xmlhttp = false;

    for (var i = 0; i < XMLHttpFactories.length; i++) {
        try {
            xmlhttp = XMLHttpFactories[i]();
        }
        catch (e) {
            continue;
        }
        break;
    }
    return xmlhttp;
}


function loadAds(req) {
    var container = document.createElement('div');
    container.innerHTML = req.responseText;

    // container is NOT inserted into the document!
    var x = container.getElementsByTagName('div');
    var ads;

    for (var i = 0; i < x.length; i++) {
        if (x[i].id == 'adscontent') {
            ads = x[i];
            break;
        }
    }

    if (!ads)
        return;

    document.getElementById('ads').insertBefore(ads, null);
    container.innerHTML = '';
}