function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		Accueil_over = newImage("images/Accueil-over.gif");
		Profil_over = newImage("images/Profil-over.gif");
		Projets_over = newImage("images/Projets-over.gif");
		Contact_over = newImage("images/Contact-over.gif");
		English_over = newImage("images/English-over.gif");
		Home_over = newImage("images/Home-over.gif");
		Profile_over = newImage("images/Profile-over.gif");
		Projects_over = newImage("images/Projects-over.gif");
		Contact_us_over = newImage("images/Contact_us-over.gif");
		Francais_over = newImage("images/Francais-over.gif");
		preloadFlag = true;
	}
}

<!--
	var LaDuree1 = 0.0;
 	var LeCapital = 0.0;
 	var LeTaux = 0.0;
	var LePaiement = 0.0;
 

function FormatValue(value)
{
	var result;
   	result = Math.floor(value) + ".";
   	var cents = 100 * (value - Math.floor(value))+0.5;
   	if ( cents != 0 )
	{
	    	result += Math.floor(cents/10);
		result += Math.floor(cents%10);
	}

  	return result;
}

function Capital()
{
	var A;
  	var pv;
 	pv = TauxReel( LeTaux);
  	A = LePaiement * (1.00 - Math.pow((1 + pv),0.00-LaDuree1)) / pv;
	return (A);
}
 
function TauxReel(fTaux)
{
	var pv;
  	pv = Math.pow( Math.pow( (1.00 + fTaux / 2), 2), (1.00/12) ) - 1; 
	return( pv );
}
  
function CPaiement()
{
  	var A;
  	var pv;
  	pv = TauxReel( LeTaux);
  	A = LeCapital * pv / (1.00 - Math.pow((1 + pv),0.00-LaDuree1));
	return (A);
}

function Duree()
{
  	var A;
  	var pv;
  	pv = TauxReel( LeTaux);
  	A = Math.log (LePaiement/(LePaiement - LeCapital * pv)) / Math.log (1 + pv);
	return (A);
}

function Compute(form) 
{
	LeCapital = form.Montant.value;
	LaDuree1 = form.Duree.value;
	LaDuree1 *= 12;
	LePaiement = 0.00;
	LeTaux= form.Taux.value;
	LeTaux/= 100.0;
  
	if ( LeCapital == 0.00 )
	{
		alert("Vous devez entrer le montant capital");
		return;
	}
	if ( LeTaux== 0.00 )
	{
		alert("Vous devez entrer le taux d'intéret")
		return;
	}
	if ( LaDuree1 == 0 )
	{
		alert("Vous devez entrer la durée en année");
		return;
	}
	if ( LeCapital == 0.00 )
	{
		LeCapital = Capital();
	}
	else if ( LaDuree1 == 0 )
	{
		LaDuree1 = Duree();
	}
	else
	{
		LePaiement = CPaiement();
	}
	form.Paiement2.value = FormatValue(LePaiement, 1);
  
	document.close();       
}