/* ************************************************************* */ 
function checkdate(objName) 
{
	var datefield = objName;
	if (chkdate(objName) == false)
	{
		datefield.select();
		alert("Date invalide. Recommencez.");
		datefield.focus();
		return false;
	}
	else
		return true;
}
/* ************************************************************* */ 
function chkdate(objName) 
{
//	var strDatestyle = "US"; //United States date style
	var strDatestyle = "EU";  //European date style
	var strDate;
	var strDateArray;
	var strDay;
	var strMonth;
	var strYear;
	var intday;
	var intMonth;
	var intYear;
	var booFound = false;
	var datefield = objName;
	var strSeparatorArray = new Array("-"," ","/",".");
	var intElementNr;
	var err = 0;
	var strMonthArray = new Array(12);
	strMonthArray[0] = "Janvier";
	strMonthArray[1] = "Février";
	strMonthArray[2] = "Mars";
	strMonthArray[3] = "Avril";
	strMonthArray[4] = "Mai";
	strMonthArray[5] = "Juin";
	strMonthArray[6] = "Juillet";
	strMonthArray[7] = "Août";
	strMonthArray[8] = "Septembre";
	strMonthArray[9] = "Octobre";
	strMonthArray[10] = "Novembre";
	strMonthArray[11] = "Décembre";
	strDate = datefield.value;
	if (strDate.length < 1)
	{
		return true;
	}
	for (intElementNr = 0; intElementNr < strSeparatorArray.length; intElementNr++)
	{
		if (strDate.indexOf(strSeparatorArray[intElementNr]) != -1)
		{
			strDateArray = strDate.split(strSeparatorArray[intElementNr]);
			if (strDateArray.length != 3)
			{
				err = 1;
				return false;
			}
			else
			{
				strDay = strDateArray[0];
				strMonth = strDateArray[1];
				strYear = strDateArray[2];
			}
			booFound = true;
   		}
	}
	if (booFound == false)
	{
		if (strDate.length>5)
		{
			strDay = strDate.substr(0, 2);
			strMonth = strDate.substr(2, 2);
			strYear = strDate.substr(4);
   		}
   		else
   			return false;
	}
	if (strYear.length == 2)
	{
		strYear = '20' + strYear;
	}
	if (strYear.length < 2 || strYear.length == 3 || strYear.length > 4 )
	{
		return false;
	}
//	US style
	if (strDatestyle == "US")
	{
		strTemp = strDay;
		strDay = strMonth;
		strMonth = strTemp;
	}
	intday = parseInt(strDay, 10);
	if (isNaN(intday))
	{
		err = 2;
		return false;
	}
	intMonth = parseInt(strMonth, 10);
	if (isNaN(intMonth))
	{
		for (i = 0;i<12;i++)
		{
			if (strMonth.toUpperCase() == strMonthArray[i].toUpperCase())
			{
				intMonth = i+1;
				strMonth = strMonthArray[i];
				i = 12;
   			}
		}
		if (isNaN(intMonth))
		{
			err = 3;
			return false;
		}
	}
	intYear = parseInt(strYear, 10);
	if (isNaN(intYear))
	{
		err = 4;
		return false;
	}
	if (intMonth>12 || intMonth<1)
	{
		err = 5;
		return false;
	}
	if ((intMonth == 1 || intMonth == 3 || intMonth == 5 || intMonth == 7 || intMonth == 8 || intMonth == 10 || intMonth == 12) && (intday > 31 || intday < 1))
	{
		err = 6;
		return false;
	}
	if ((intMonth == 4 || intMonth == 6 || intMonth == 9 || intMonth == 11) && (intday > 30 || intday < 1))
	{
		err = 7;
		return false;
	}
	if (intMonth == 2)
	{
		if (intday < 1)
		{
			err = 8;
			return false;
		}
		if (LeapYear(intYear) == true)
		{
			if (intday > 29)
			{
				err = 9;
				return false;
			}
		}
		else
		{
			if (intday > 28)
			{
				err = 10;
				return false;
			}
		}
	}
	if (strDatestyle == "US")
	{
		datefield.value = strMonthArray[intMonth-1] + " " + intday+" " + strYear;
	}
	else
	{
		Jour=new String(intday);
		if(Jour.length==1)
			Jour="0"+Jour;
		Mois=new String(intMonth);
		if(Mois.length==1)
			Mois="0"+Mois;
//		datefield.value = intday + " " + strMonthArray[intMonth-1] + " " + strYear;
		datefield.value = Jour + "/" + Mois + "/" + strYear;
	}
	return true;
}
/* ************************************************************* */ 
function LeapYear(intYear)
{
	if (intYear % 100 == 0)
	{
		if (intYear % 400 == 0)
		{
			return true;
		}
	}
	else
	{
		if ((intYear % 4) == 0)
		{
			return true;
		}
	}
	return false;
}
/* ************************************************************* */ 
function doDateCheck(from, to)
{
	var strMonthArray = new Array(12);
	strMonthArray[0] = "Jan";
	strMonthArray[1] = "Feb";
	strMonthArray[2] = "Mar";
	strMonthArray[3] = "Apr";
	strMonthArray[4] = "May";
	strMonthArray[5] = "Jun";
	strMonthArray[6] = "Jul";
	strMonthArray[7] = "Aug";
	strMonthArray[8] = "Sep";
	strMonthArray[9] = "Oct";
	strMonthArray[10] = "Nov";
	strMonthArray[11] = "Dec";
	var Du=strMonthArray[from.value.substring(3,5)-1] + " " + from.value.substring(0,2) + " " + from.value.substring(6,10);
	var Au=strMonthArray[to.value.substring(3,5)-1] + " " + to.value.substring(0,2) + " " + to.value.substring(6,10);
	if (Date.parse(Du) <= Date.parse(Au))
	{
		return true;
	}
	else
	{
		if (from.value == "" || to.value == "")
		{
			alert("Les deux champs date sont obligatoires !");
			return false;
		}
		else 
		{
			alert("La date de début doit être inférieure ou égale à la date de fin !\nRecommencez.");
			return false;
		}
   	}
}
/* ************************************************************* */ 
function Recherche_Saison()
{
	LieuRech=0;
	Formulaire=document.FORMRECHSAISON;	
	
	if(Formulaire.DATEDEB.value!='' || Formulaire.DATEFIN.value!='')
	{
		Formulaire.DATEDEB.value!=''
		{
			if(!checkdate(Formulaire.DATEDEB))
				return;
		}
		Formulaire.DATEFIN.value!=''
		{
			if(!checkdate(Formulaire.DATEFIN))
				return;
		}
		if(!doDateCheck(Formulaire.DATEDEB,Formulaire.DATEFIN))
			return;
	}

	if(Formulaire.IDLIEU[0].checked)
		LieuRech=1;
	if(Formulaire.IDLIEU[1].checked)
		LieuRech=2;
	if(Formulaire.IDLIEU[2].checked)
		LieuRech=0;
		
	Formulaire.LEIDLIEU.value=LieuRech;
	Formulaire.submit();
}
/* ************************************************************* */ 
function AllerPage(Indice)
{
	Formulaire=document.FORMRECHSAISONPAGE;	
	Formulaire.PAGECOURANTE.value=Indice;
	Formulaire.submit();
}
/* ************************************************************* */ 
function ChangeNombreFiche(Indice)
{
	Formulaire=document.FORMRECHSAISONPAGE;	
	Formulaire.PAGECOURANTE.value=1;
	Formulaire.submit();
}
/* ************************************************************* */