function createRequestObject()
{
    var http;
    if(window.XMLHttpRequest)
    { // Mozilla, Safari, ...
        http = new XMLHttpRequest();
    }
    else if(window.ActiveXObject)
    { // Internet Explorer
        http = new ActiveXObject("Microsoft.XMLHTTP");
    }
    return http;
}

function loadPlayerExtreme()
{
    http = createRequestObject();
    http.open('get', './load-player-extreme.php', true);
    http.onreadystatechange = handleAJAXReturn;
    http.send(null);
}

function loadPlayerDemo()
{
    http = createRequestObject();
    http.open('get', './load-player-demo.php', true);
    http.onreadystatechange = handleAJAXReturn;
    http.send(null);
}

function handleAJAXReturn()
{
    if(http.readyState == 4)
    {
        if(http.status == 200)
        {
            document.getElementById('load-player').innerHTML = http.responseText;
        }
    }
}