function startCalc() {
    interval = setInterval("calc()", 1);
}
function calc() {
    one = document.MailMe.fee1.value;
    two = document.MailMe.fee2.value;
    three = document.MailMe.fee3.value;
    document.MailMe.total.value = (one * 1) + (two * 1) + (three * 1);
}
function stopCalc() {
    clearInterval(interval);
}