/* This script and many more are available free online at
The JavaScript Source!! http://javascript.internet.com
Created by: Jim Stiles | www.jdstiles.com */
function startCalc(){
  interval = setInterval("calc()",1);
}
function calc(){
  one = document.autoSumForm.Amount1.value;
  two = document.autoSumForm.Amount2.value;
  three = document.autoSumForm.Amount3.value; 
  document.autoSumForm.Amount.value = (one * 1) + (two * 1)+ (three * 1);
}
function stopCalc(){
  clearInterval(interval);
}