function CheckTextBoxSizeLimit(box, max) {
    try {
        if (box.value.length > max) {
            box.value = box.value.substring(0, max);
            alert('Too long! Max length ' + max.toString() + ' chars.');
            return false;
        }
    } catch (nl) {
    }
    return true;
}

function MakeElementCssVisible(item) {
    document.getElementById(item).style.visibility = "visible";
}
function MakeElementCssHidden(item) {
    document.getElementById(item).style.visibility = "hidden";
}