// Folio Sideshow Script

function showPic (whichpic) {
 if (document.getElementById) {
 document.getElementById('zoom').src = whichpic.href;
  return false;
 } else {
  return true;
 }
}



function VerifForm(formulaire) {
	nom = formulaire.nom.value
	prenom = formulaire.prenom.value
	adresse = formulaire.adresse.value
	cp = formulaire.cp.value
	ville = formulaire.ville.value
	telephone = formulaire.telephone.value
	adressemail = formulaire.adressemail.value;
	
	var place = adressemail.indexOf("@",1);
	var point = adressemail.indexOf(".",place+1);
	if ((place > -1)&&(adressemail.length >2)&&(point > 1)&&(nom !== "")&&(prenom !== "")&&(adresse !== "")&&(cp !== "")&&(ville !== "")&&(telephone !== ""))
		{
		formulaire.submit();
		return(true);
		}
	else
		{
		alert('Merci de renseigner tous les champs obligatoires et de saisir une adresse e-mail valide.');
		return(false);
		}
	}

function SelectVisible(v,elem) {
  var agt = navigator.userAgent.toLowerCase();
  var isMac = (agt.indexOf('mac') != -1);
  var isOpera = (agt.indexOf('opera') != -1);
  var IEver = parseInt(agt.substring(agt.indexOf('msie ') + 5));
  var isIE = ((agt.indexOf('msie')!=-1 && !isOpera && (agt.indexOf('webtv')==-1)) && !isMac);
  var isIE5win = (isIE && IEver >= 5);
  var isIE5mac = ((agt.indexOf('msie') != -1) && isMac);
  var isSafari = (agt.indexOf('safari') != -1);

   if (isIE||isIE5win)
      for (var i=0;i<elem.length;i++) elem[i].style.visibility=v;
}


function book_test(formulaire) {
var message=''
var todaydate=new Date()

var today=new Date(todaydate.getFullYear(),todaydate.getMonth(), todaydate.getDate())
//test de la date
choixdate=new Date(formulaire.fyear.options[formulaire.fyear.selectedIndex].value, formulaire.fmonth.options[formulaire.fmonth.selectedIndex].value-1, formulaire.fday.options[formulaire.fday.selectedIndex].value)


if (today<=choixdate) { } else {message='Date invalide : merci de modifier la date saisie.'}


// affichage du message d'erreur
if (message!='') alert(message);
else
{

 formulaire.submit();

}
}

// you may use/modify this code, but please give credit as a courtesy
// script by Arash Ramin (http://www.digitalroom.net)
function setCurrentDate() {
  // changes the date selector menus to the current date
  var currentDate = new Date();

   var mois = currentDate.getMonth()+1;
   var annee = currentDate.getFullYear();
   if( mois < 10)
   mois ='0'+ mois;
   var i;
   var anneemois = annee + "" +  mois ;
   for( i = 0; i < document.PW.fmonth.length; i++)
   {
	   if(document.PW.fmonth.options[i].value == anneemois)
	   {
			document.PW.fmonth.options[i].selected = true;
			break;
		}
   }
  setDays();
  document.PW.fday.selectedIndex = currentDate.getDate() - 1;
}

function setDays() {

  var Monthlong = document.PW.fmonth.options[document.PW.fmonth.selectedIndex].value;
  var m=Monthlong.substring(4,6)
  var y=eval(Monthlong.substring(0,4))

  // find number of days in current month
  days = 31;
  if ( (m == "04") || (m == "06") || (m == "09") || (m == "11") ) {
    days = 30;
  }
  else if (m == "02") {
    // check for leapyear - Any year divisible by 4, except those divisible by 100 (but NOT 400)
    if ( (Math.floor(y/4) == (y/4)) && ((Math.floor(y/100) != (y/100)) || (Math.floor(y/400) == (y/400))) )
      days = 29
    else
      days = 28
  }


  // if (days in new month > current days) then we must add the extra days
  if (days > document.PW.fday.length) {
    for (i = document.PW.fday.length; i < days; i++) {
      document.PW.fday.length = days;
      document.PW.fday.options[i].text = i + 1;
      document.PW.fday.options[i].value = i + 1;
    }
  }

  
  // if (days in new month < current days) then we must delete the extra days
  if (days < document.PW.fday.length) {
    document.PW.fday.length = days;
    if (document.PW.fday.selectedIndex == -1) 
      document.PW.fday.selectedIndex = days - 1;
  }

}