ajax = false;
ajax2 = false;
// not IE
if(window.XMLHttpRequest) {
    ajax = new XMLHttpRequest();
    ajax2 = new XMLHttpRequest();
// for IE
} else if(window.ActiveXObject) {
    try {
        ajax = new ActiveXObject("Msxml2.XMLHTTP");
        ajax2 = new ActiveXObject("Msxml2.XMLHTTP");
    } catch(e) {
        ajax = new ActiveXObject("Microsoft.XMLHTTP");
        ajax2 = new ActiveXObject("Microsoft.XMLHTTP");
    }
}
function getData( url, id, url2, id2) {
    ajax.open("GET", url);
    ajax.onreadystatechange = function() {
        if (ajax.readyState == 4 && ajax.status == 200) {
            var obj = document.getElementById( id);
            obj.innerHTML = ajax.responseText;
            getData2( url2, id2);
        }
    }
    ajax.send('');
}
function getData2( url, id) {
    ajax2.open("GET", url);
    ajax2.onreadystatechange = function() {
        if (ajax2.readyState == 4 && ajax2.status == 200) {
            var obj = document.getElementById( id);
            obj.innerHTML = ajax2.responseText;
        }
    }
    ajax2.send('');
}
function loadDirectory( dir) {
    document.getElementById( 'folders-list').innerHTML = 'Loading...';
    document.getElementById( 'entries-list').innerHTML = 'Loading...';

    url = 'server.php?mode=folderlist&dir=' + dir;
    url2 = 'server.php?mode=entrylist&dir=' + dir;
    getData( url, 'folders-list', url2, 'entries-list');
}
function downloadFile( dir, file) {
    url = 'download.php?dir=' + dir + '&entry=' + file;
    window.open( url);
}