var win;

function popup(url, width, height)
{
    width += 40;
    height += 80;

    var features = 'width=' + width + ',height=' + height +
        ',scrollbars=no,resizable=no,location=no,directories=no,status=no,menubar=no';

    win = open(url, 'popup', features);
    setTimeout('win.focus();', 250);
}

function help(url, width, height)
{
    var features = 'width=' + width + ',height=' + height +
        ',scrollbars=yes,resizable=yes,location=no,directories=no,status=no,menubar=no';

    win = open(url, 'help', features);
    setTimeout('win.focus();', 250);
}

function goto(url)
{
    window.opener.location = url;
    window.close();
}

function fromlist(a, b)
{
    a.value = b.options[b.selectedIndex].value
}

function ask(question, url)
{
    if (confirm(question))
    {
        window.location = url
    }

    return false;
}