function CheckboxOnOff(item, cmd) {
    if (item.checked)
        location.href="app?cmd="+cmd+"+on";
    else
        location.href="app?cmd="+cmd+"+off";
}
function CheckboxOpenClose(item, cmd) {
    if (item.checked)
        location.href="app?cmd="+cmd+"+open";
    else
        location.href="app?cmd="+cmd+"+close";
}

function Updated() {
    document.write("[");
    document.write(document.lastModified);
    document.write("]");
}
function debug(tag) {
    var s = document.getElementsByTagName(tag);
    var n = s.length;
    for (i=0; i<n; i++) {
        if (s[i].src)
            alert(s[i].src);
        else
            alert(s[i].innerHTML);
    }
}

function write(txt) {
    var s = document.getElementById('Data');
    s.innerText += txt;
}
function clear() {
    var s = document.getElementById('Data');
    s.innerText = "";
}