/* 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.form1.Attending.value;
  two = document.form1.Guests.value; 
  three = document.form1.Children.value;
  document.form1.Total_Attendance.value = (one * 1) + (two * 1) + (three * 1);}
function stopCalc(){
  clearInterval(interval);
}