function ask(message)
{
    var s=window.confirm(message);
    
    if (s) 
        return true;
    else
        return false;
}

function inputFocus(a, b) {
    if (a.value == b) (a.value = '');
}

function inputBlur(a, b) {
    if (a.value == '') (a.value = b);
}