$(function() {
		 $("#imgdu").click(function(){
				$("#du").datepicker("show");		
		  });
		  $("#du").datepicker({
		   onSelect: function(selectedDate ) {
				var datedu = $("#du").datepicker("getDate");
				ladate=new Date(datedu);
				var t1=ladate.getTime();
				ladate.setDate(ladate.getDate()+1);
				var t2=ladate.getTime();
				var jour=ladate.getDate();
				var mois=(ladate.getMonth());
				var annee=ladate.getFullYear();
				if(mois<10) {
				  mois='0'+mois;	
				}
				var dateau = new Date(annee,mois,jour);
				var dateau2 = $("#au").datepicker("getDate");
				ladate3=new Date(dateau2);
				if(document.getElementById('au').value=='Départ' || ladate3.getTime()<ladate.getTime()) {
				 $("#au").datepicker("setDate",new Date(dateau));
				 document.getElementById('inputnbnuit').value=1;
				 document.getElementById('lblnbnuit').innerHTML=" nuits";
				} else {
				var dateau = $("#au").datepicker("getDate");
				ladate2=new Date(dateau);
				var t2=ladate2.getTime();					
				document.getElementById('inputnbnuit').value=parseInt((t2-t1)/(24*3600*1000));	
				document.getElementById('lblnbnuit').innerHTML=" nuits";
				}
		  }
		});
		 $("#imgau").click(function(){
				$("#au").datepicker("show");					  
		  });
		  $("#au").datepicker({
		   onSelect: function(selectedDate ) {
				var dateau = $("#au").datepicker("getDate");
				ladate2=new Date(dateau);
				var t2=ladate2.getTime();
				if(document.getElementById('du').value=='Arrivée') {
					ladate2.setDate(ladate2.getDate()-1);
					var jour=ladate2.getDate();
					var mois=(ladate2.getMonth());
					var annee=ladate2.getFullYear();
					if(mois<10) {
					  mois='0'+mois;	
					}
					var datedu2= new Date(annee,mois,jour);
				 $("#du").datepicker("setDate",new Date(datedu2));
				 document.getElementById('inputnbnuit').value=1;
				 document.getElementById('lblnbnuit').innerHTML=" nuits";
				} else {			
				  var datedu = $("#du").datepicker("getDate");
				  ladate1=new Date(datedu);
				  var t1=ladate1.getTime();
				  if(t1>t2) { 
					ladate2.setDate(ladate2.getDate()-1);
					var jour=ladate2.getDate();
					var mois=(ladate2.getMonth());
					var annee=ladate2.getFullYear();
					if(mois<10) {
					  mois='0'+mois;	
					}
					var datedu2= new Date(annee,mois,jour);
				    $("#du").datepicker("setDate",new Date(datedu2));
				    document.getElementById('inputnbnuit').value=1;
					document.getElementById('lblnbnuit').innerHTML=" nuits";
				  } else {
				    document.getElementById('inputnbnuit').value=parseInt((t2-t1)/(24*3600*1000));	
					document.getElementById('lblnbnuit').innerHTML=" nuits";				
				  }
				}
		  }
		});
  		
	 $(".plus").click(function(){
        if(document.getElementById('du').value=='Arrivée' && document.getElementById('au').value=='Départ') {
			$("#du").datepicker("setDate",new Date());
		}
		 var dateau = $("#au").datepicker("getDate");
		 ladate=new Date(dateau);
		 ladate.setDate(ladate.getDate()+1);
		 var jour=ladate.getDate();
		 var mois=(ladate.getMonth());
		 var annee=ladate.getFullYear();
		 if(mois<10) {
			mois='0'+mois;	
		 }
		var dateau2 = new Date(annee,mois,jour);
		$("#au").datepicker("setDate",new Date(dateau2));
		var datedu = $("#du").datepicker("getDate");
		ladate1=new Date(datedu);
		var t1=ladate1.getTime();
		var dateau2 = $("#au").datepicker("getDate");
		ladate2=new Date(dateau2);
		var t2=ladate2.getTime();
		document.getElementById('inputnbnuit').value=parseInt((t2-t1)/(24*3600*1000));
		document.getElementById('lblnbnuit').innerHTML=" nuits";
	  });

	 $(".moins").click(function(){
		 if(document.getElementById('inputnbnuit').value>1){
			 var dateau = $("#au").datepicker("getDate");
			 ladate=new Date(dateau);
			 ladate.setDate(ladate.getDate()-1);
			 var jour=ladate.getDate();
			 var mois=(ladate.getMonth());
			 var annee=ladate.getFullYear();
			 if(mois<10) {
				mois='0'+mois;	
			 }
			var dateau2 = new Date(annee,mois,jour);
			$("#au").datepicker("setDate",new Date(dateau2));
			var datedu = $("#du").datepicker("getDate");
			ladate1=new Date(datedu);
			var t1=ladate1.getTime();
			var dateau2 = $("#au").datepicker("getDate");
			ladate2=new Date(dateau2);
			var t2=ladate2.getTime();
			document.getElementById('inputnbnuit').value=parseInt((t2-t1)/(24*3600*1000));
		}
	  });
//------------------------------------------------------------------------------//	  
		 $("#imgdu2").click(function(){
				$("#du2").datepicker("show");		
		  });
		  $("#du2").datepicker({
		   onSelect: function(selectedDate ) {
				var datedu = $("#du2").datepicker("getDate");
				ladate=new Date(datedu);
				var t1=ladate.getTime();
				ladate.setDate(ladate.getDate()+1);
				var t2=ladate.getTime();
				var jour=ladate.getDate();
				var mois=(ladate.getMonth());
				var annee=ladate.getFullYear();
				if(mois<10) {
				  mois='0'+mois;	
				}
				var dateau = new Date(annee,mois,jour);
				var dateau2 = $("#au2").datepicker("getDate");
				ladate3=new Date(dateau2);
				if(document.getElementById('au2').value=='Départ' || ladate3.getTime()<ladate.getTime()) {
				 $("#au2").datepicker("setDate",new Date(dateau));
				} else {
				var dateau = $("#au2").datepicker("getDate");
				ladate2=new Date(dateau);
				var t2=ladate2.getTime();					
				}
		  }
		});

		 $("#imgau2").click(function(){
				$("#au2").datepicker("show");					  
		  });
		  $("#au2").datepicker({
		   onSelect: function(selectedDate ) {
				var dateau = $("#au2").datepicker("getDate");
				ladate2=new Date(dateau);
				var t2=ladate2.getTime();
				if(document.getElementById('du2').value=='Arrivée') {
					ladate2.setDate(ladate2.getDate()-1);
					var jour=ladate2.getDate();
					var mois=(ladate2.getMonth());
					var annee=ladate2.getFullYear();
					if(mois<10) {
					  mois='0'+mois;	
					}
					var datedu2= new Date(annee,mois,jour);
				 $("#du2").datepicker("setDate",new Date(datedu2));
				} else {			
				  var datedu = $("#du2").datepicker("getDate");
				  ladate1=new Date(datedu);
				  var t1=ladate1.getTime();
				  if(t1>t2) { 
					ladate2.setDate(ladate2.getDate()-1);
					var jour=ladate2.getDate();
					var mois=(ladate2.getMonth());
					var annee=ladate2.getFullYear();
					if(mois<10) {
					  mois='0'+mois;	
					}
					var datedu2= new Date(annee,mois,jour);
				    $("#du").datepicker("setDate",new Date(datedu2));
				  } 
				}
		  }
		});

	});