/*fonction de controle de date avec calcul de l'age*/
	
function start() 
	{
	document.souscription.age.value = "";
	document.souscription.months.value = "";
	}
function run() 
	{
	var ap;
	dd = document.souscription.jj.value;
	mm = document.souscription.mm.value;	
	yy = document.souscription.yyyy.value;
	main="valid";
	if ((mm < 1) || (mm > 12) || (dd < 1) || (dd > 31) || (yy < 1) ||(mm == "") || (dd == "") || (yy == "")) main = "Invalid";
	else 
		if (((mm == 4) || (mm == 6) || (mm == 9) || (mm == 11)) && (dd > 30)) main = "Invalid";
		else 
			if (mm == 2) 
				{
				if (dd > 29) main = "Invalid";
				else 
					if((dd > 28) && (!lyear(yy))) main="Invalid";
				}
			else
				if((yy > 9999)||(yy < 0)) main = "Invalid";
				else
				main = main;
	if(main == "valid") 
		{
		function leapyear(a) 
			{
			if(((a % 4 == 0) && (a % 100 != 0)) || (a % 400 == 0))
				return true;
			else 
				return false;
			}
		days = new Date();
		gdate = days.getDate();
		gmonth = days.getMonth();
		gyear = days.getYear();
		age = gyear - yy;
		if((mm == (gmonth + 1)) && (dd <= parseInt(gdate))) 
			{
			age = age;
			}
		else 
			{
			if(mm <= (gmonth)) 
				{
				age = age;
				}
			else 
				{
				age = age - 1; 
   				}
			}
		if(age == 0)
		age = age;
		document.souscription.age.value= age;
		if(mm <= (gmonth + 1))
		age = age - 1;
		if((mm == (gmonth + 1)) && (dd > parseInt(gdate))) 
		age = age + 1;
		var m;
		var n;
		if (mm == 12) { n = 31 - dd; }
		if (mm == 11) { n = 61 - dd; }   
		if (mm == 10) { n = 92 - dd; }  
		if (mm == 9) { n = 122 - dd; } 
		if (mm == 8) { n = 153 - dd; }   
		if (mm == 7) { n = 184 - dd; }   
		if (mm == 6) { n = 214 - dd; }  
		if (mm == 5) { n = 245 - dd; } 
		if (mm == 4) { n = 275 - dd; } 
		if (mm == 3) { n = 306 - dd; }
		if (mm == 2) { n = 334 - dd; if(leapyear(yy)) n = n + 1; }
		if (mm == 1) { n = 365 - dd; if (leapyear(yy)) n = n + 1; }
		if (gmonth == 1) m = 31;
		if (gmonth == 2) { m = 59;   if (leapyear(gyear)) m = m + 1; }
		if (gmonth == 3) { m = 90;   if (leapyear(gyear)) m = m + 1; }
		if (gmonth == 4) { m = 120;  if (leapyear(gyear)) m = m + 1; }
		if (gmonth == 5) { m = 151;  if (leapyear(gyear)) m = m + 1; }
		if (gmonth == 6) { m = 181;  if (leapyear(gyear)) m = m + 1; }
		if (gmonth == 7) { m = 212;  if (leapyear(gyear)) m = m + 1; }
		if (gmonth == 8) { m = 243;  if (leapyear(gyear)) m = m + 1; }
		if (gmonth == 9) { m = 273;  if (leapyear(gyear)) m = m + 1; }
		if (gmonth == 10) { m = 304; if (leapyear(gyear)) m = m + 1; }
		if (gmonth == 11) { m = 334; if (leapyear(gyear)) m = m + 1; }
		if (gmonth == 12) { m = 365; if (leapyear(gyear)) m = m + 1; }
		totdays = (parseInt(age) * 365);
		totdays += age / 4;
		totdays = parseInt(totdays) + gdate + m + n;
		months = age * 12;
		months += 12 - parseInt(mm);
		months += gmonth;
		document.souscription.months.value = months ;
		if (gmonth == 1) p = 31 + gdate;
		if (gmonth == 2) { p = 59 + gdate;   if (leapyear(gyear)) m = m + 1; }
		if (gmonth == 3) { p = 90 + gdate;   if (leapyear(gyear)) p = p + 1; }
		if (gmonth == 4) { p = 120 + gdate;  if (leapyear(gyear)) p = p + 1; }
		if (gmonth == 5) { p = 151 + gdate;  if (leapyear(gyear)) p = p + 1; }
		if (gmonth == 6) { p = 181 + gdate;  if (leapyear(gyear)) p = p + 1; }
		if (gmonth == 7) { p = 212 + gdate;  if (leapyear(gyear)) p = p + 1; }
		if (gmonth == 8) { p = 243 + gdate;  if (leapyear(gyear)) p = p + 1; }
		if (gmonth == 9) { p = 273 + gdate;  if (leapyear(gyear)) p = p + 1; }
		if (gmonth == 10) { p = 304 + gdate; if (leapyear(gyear)) p = p + 1; }
		if (gmonth == 11) { p = 334 + gdate; if (leapyear(gyear)) p = p + 1; }
		if (gmonth == 12) { p = 365 + gdate; if (leapyear(gyear)) p = p + 1; }
		weeks = totdays / 7;
		weeks += " weeks";
		weeks = parseInt(weeks);
mm = mm - 1;
var r;
if(mm == 0) r = 1;
if(mm == 1) r = 31;
if(mm == 2) { r = 59;    if (leapyear(gyear)) m = m + 1; }
if(mm == 3) { r = 90;    if (leapyear(gyear)) r = r + 1; }
if(mm == 4) { r = 120;   if (leapyear(gyear)) r = r + 1; }
if(mm == 5) { r = 151;   if (leapyear(gyear)) r = r + 1; }
if(mm == 6) { r = 181;   if (leapyear(gyear)) r = r + 1; }
if(mm == 7) { r = 212;   if (leapyear(gyear)) r = r + 1; }
if(mm == 8) { r = 243;   if (leapyear(gyear)) r = r + 1; }
if(mm == 9) { r = 273;   if (leapyear(gyear)) r = r + 1; }
if(mm == 10) { r = 304;  if (leapyear(gyear)) r = r + 1; }
if(mm == 11) { r = 334;  if (leapyear(gyear)) r = r + 1; }
if(mm == 12) { r = 365;  if (leapyear(gyear)) r = r + 1; }
mm = mm + 1;
r = parseInt(r) + parseInt(dd);
if( mm > (gmonth + 1)) {
bday = r - m - gdate;
}
else 
	{
	if(mm == (gmonth + 1) && (gdate < dd)) {
	bday = (r - m - gdate);
	}
	else 
	{
	if((leapyear(gyear)) && ((mm > 2) && (dd < 29))) 
		{
		a = 366;
		}
	else 
		{
		a = 365; 
		}
	bday = a + (r - m - gdate);
   }
}
go();
function go() 
{
function lyear(a) 
	{
	if(((a % 4 == 0) && (a % 100 != 0)) || (a % 400 == 0)) return true;
	else return false;
	}
mm = parseInt(mm);
dd = parseInt(dd);
yy = parseInt(yy);
if ((mm < 1) || (mm > 12) || (dd < 1) || (dd > 31) || (yy < 1) ||(mm == " ") || (dd == " ") || (yy == " "))  
main="Invalid";
else 
	if (((mm == 4) || (mm == 6) || (mm == 9) || (mm == 11)) && (dd > 30)) 
	main = "Invalid";
	else
		if (mm == 2) 
			{
			if (dd > 29)
			main = "Invalid";
			else
				if(( dd > 28) && (!lyear(yy)))
				main = "Invalid";
			}
		else main = main;
			if(main == "valid") 
			{
				var m;
				if (mm == 1) n = 31;
				if (mm == 2) n = 59 + 1;
				if (mm == 3) n = 90 + 1;
				if (mm == 4) n = 120 + 1;
				if (mm == 5) n = 151 + 1;
				if (mm == 6) n = 181 + 1;
				if (mm == 7) n = 212 + 1;
				if (mm == 8) n = 243 + 1;
				if (mm == 9) n = 273 + 1;
				if (mm == 10) n = 304 + 1;
				if (mm == 11) n = 334 + 1;
				if (mm == 12) n = 365 + 1;
				if((mm == 1)||(mm == 3)||(mm == 5)||(mm == 7)||(mm == 8)||(mm == 10)||(mm == 12))
			n += 31 + dd;
			else if((mm == 4)||(mm == 6)||(mm == 9)||(mm == 11))
n += 31 + dd + 1;
			else if(mm == 2) {
				if(lyear(yy)) n += 29 + dd - 3;
			else if(!lyear(yy)) n += 28 + dd - 1;
			}
/*function AgeInMonths()
	{
	years = 0;
	for(i=0;i<=eval(months);(i+12))
		{
		years = years + 1;
		}
	calculatedmonths = years * 12;
	monthsleft = months - calculatedmonths;
	ageinmonths = years + " ans " + monthsleft + " mois"
	return ageinmonths
	}
alert(AgeInMonths());*/
}
else 
{
ValidatePrompt (document.souscription.yyyy,"<%=errorformatdate%>");
return false;
}
   }
}
else {
ValidatePrompt (document.souscription.yyyy,"<%=errorformatdate%>");
return false;
   }
if (main == "valid")
	{
	var contract = document.souscription.duree.value;
	var ageendcontract = 72 - eval(contract);
	var age18ans = (eval(age)-18);
	if (age >= ageendcontract)
	{
	ValidatePrompt (document.souscription.yyyy,"<%=error72ans%>");
	return false;
	}
	else if (age18ans < 0)
	{
	ValidatePrompt (document.souscription.yyyy,"<%=error18ans%>");
	return false;
	}
	else
	{
	return true;
	}
	}
}