function afficher_un_calendar_picker ( Element )
	{
		
		var Obj				= document.f_mainform[Element+"_day"];
		Day 				= Obj.value;
		
		var Obj				= document.f_mainform[Element+"_month"];
		Month 				= Obj.value;
		
		var Obj				= document.f_mainform[Element+"_year"];
		Year 				= Obj.value;
		
		var dateenselection	= Year+"-"+Month+"-"+Day;
		
		if (dateenselection=="0000-00-00")
			dateenselection = "";
		
		document.getElementById('iframe_calendrier_'+Element).src	= "/objets/calendar.htm?date="+dateenselection+"&dateenselection="+dateenselection+"&elementamettreajour="+Element+"&noforget=1";
		document.getElementById(Element).style.display				= "block";
	}
	
	function masquer_un_calendar_picker ( Element )
	{
		document.getElementById('iframe_calendrier_'+Element).src	= "";
		document.getElementById(Element).style.display				= "none";
	}
	
	function calendar_picker ( Element, Year, Month, Day)
	{
		
		var Obj				= document.f_mainform[Element+"_day"];
		Obj.value 			= Day;
		
		var Obj				= document.f_mainform[Element+"_month"];
		Obj.value 			= Month;
		
		var Obj				= document.f_mainform[Element+"_year"];
		Obj.value 			= Year;
		
		masquer_un_calendar_picker ( Element );
		
	}

/*

*/