//<![CDATA[
// JavaScript Document

/* 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.form.rachat.value;
  two = document.form.tresorerie.value; 
  tree = document.form.tresorerie_plus.value;
  document.form.P.value = (one * 1) + (two * 1) + (tree * 1);
if
(two<= 0 || two == "") {
   document.form.i.value = 6.5;
}
else
if(two>= 0) {
   document.form.i.value = 5;
}
}
function stopCalc(){
  clearInterval(interval);
}