var n=navigator,B=(n.userAgent+n.appName).toLowerCase(),V=parseInt(n.appVersion);
var N4=(B.indexOf("netscape")!=-1&&V==4),IE=(B.indexOf("microsoft")!=-1);FF=(B.indexOf("firefox")!=-1);NT=(B.indexOf("netscape")!=-1)
var calForm;
var dropDay1,dropMonth1,dropDay2,dropMonth2,dd1_H;
var calendrierActif;
var initDay,initMonth,initYear;
var jourFin,moisFin;
var numMonths;
var anyMonthVal = 0;
var anyText = "";
var calWidth=142;
var calHeight=182;

var bPressed,calendar;
var calendarHTML="";
var monthNames=new Array("x","x","x","x","x","x","x","x","x","x","x","x","x");//placeholders
var localeMonths="";

if(!N4)document.onmouseup=function(e){
	calendar.hide();
	if(bPressed){
		bPressed=false;
		VoirCalendrier(e);}
}

var CSSinclude = "";
function parseDate(){
  var currentDate = new Date();
  var dep_date = document.getElementById('dep_date');
  var dayDropDown = document.getElementById('depDay');
  var monthDropDown = document.getElementById('depMonth');
  var depDay = dayDropDown.selectedIndex
  var depMonth = monthDropDown.selectedIndex
  if (depDay!=0 && depMonth==0){
    searchForm.dep_month.selectedIndex=1;
  }  
  day = dayDropDown.options[dayDropDown.selectedIndex].value;
  month = monthDropDown.options[monthDropDown.selectedIndex].value;
}

function paramCalandrier(dateDebut,dateFin,formName,dd1,dm1,dd2,dm2,sync,syncCal,myLocale){
if(N4)return;
	if(!document.all)document.all=document.getElementsByTagName("*");
	calForm=document.forms[formName];
	dropDay1=calForm[dd1];dropMonth1=calForm[dm1];
	dropDay2=calForm[dd2];dropMonth2=calForm[dm2];
  if(dropDay1) anyText = dropDay1.options[0].text;
	calendar=new LayerFrame('cIframe');
	stPos=currpos=0;

		localeMonths = '</td></tr><tr><td height="20" width="20"><b>L</b></td><td width="20"><b>M</b></td><td width="20"><b>M</b></td>\
			<td width="20"><b>G</b></td><td width="20"><b>V</b></td><td width="20"><b>S</b></td><td width="20"><b>D</b></td></tr>';

	initDate=dateDebut.split('/');
	//alert(initDate);
	initDay=initDate[0]*1,initMonth=initDate[1]*1,
	
	
	initYear=initDate[2];


  d=new Date()
  if (syncCal!=false){
    calDay=initDay=initDate[0]*1;
    calMonth=initMonth=initDate[1]*1;
    calYear=initYear=initDate[2];
  } else {
    calDay=d.getDate();
    calMonth=d.getMonth()+1;
    calYear=d.getFullYear();    
  }  
  
	dateFin=dateFin.split('/');
	jourFin=dateFin[0]*1,moisFin=dateFin[1]*1;
	if(moisFin>initMonth)numMonths=moisFin-initMonth+1;
	else numMonths=(12-initMonth)+moisFin+1;
	if(moisFin==initMonth)numMonths=1;
	var tDate_d= d.getDate();
	var tDate_M= d.getMonth()+1;
	var tDate_y= d.getYear();
	if(tDate_y<2000) tDate_y+=1900;

	
	/* start on current date */
  	tDate = tDate_d+'/'+tDate_M+'/'+tDate_y;
	//alert(tdate+'/'+dateDebut)
		//alert(tDate+'/'+dateDebut+'8888888888888')
		
	if (tDate!=dateDebut){
		/*if(dropMonth1)modifJour(initDay,initMonth,1);*/
		if(dropMonth2){modifJour(initDay,initMonth,2);
		calendrierActif=1;
		syncDropdowns();
		}
  }
}

function setCalendar(Ncalendrier){
	bPressed=true;
	calendrierActif=Ncalendrier;
	var ops=eval('dropMonth'+Ncalendrier);
	for(i=0;i<ops.length;i++){
		var opVal=ops.options[i].value;
		monthNames[opVal]=ops.options[i].text;
	}
	var currMonth=getChronMonth(eval('dropMonth'+Ncalendrier).value*1);
	if(eval('dropMonth'+Ncalendrier).value*1==anyMonthVal)currMonth=getChronMonth(initMonth);//if on "any"
	currpos=calHeight*currMonth;
	CalendrierHtml();
	var cIframe=frames['cIframe'];
	cIframe.document.write(calendarHTML);
	//document.getElementById("txt").value=calendarHTML;
	//document.getElementById("cIframe").contentWindow.document.body.innerHTML = calendarHTML;
	
	//alert(document.getElementById("txt").value);
	//cIframe.document.location.href=calendarHREF+ '?calendarHTML=' + calendarHTML;
}
function VoirCalendrier(e){
	var button=new posElement((IE)?event.srcElement:e.target);
	posX=button.x;posY=button.y;
	doc_height=document.body.clientHeight+(IE?document.body.scrollTop:0);
	if(posY>doc_height-calHeight)calendar.show(posX+0,posY-calHeight+10);
	else calendar.show(posX+0,posY);		
}
function posElement(element){
	this.x=element.offsetLeft;
	this.y=element.offsetTop;
    var pElement=element.offsetParent;
    while(pElement && pElement.id!='master_center'){
        this.x+=pElement.offsetLeft;
        this.y+=pElement.offsetTop;
        pElement=pElement.offsetParent;}
}
function LayerFrame(id){
	this.style=eval('document.all.'+id).style;
	this.reset=cReset;
	this.show=function(x,y){cReset();this.style.left=x+"px";this.style.top=y+"px";}
	this.hide=function(){this.style.top="-2000px";}
	this.next=scrollDown;
	this.previous=scrollUp;
}
function cReset(){
	//cIframe.scroll(0,stPos);currpos=stPos;
	cIframe.scrollTo(0,currpos);//keep state
}

function scrollDown(){
	currpos+=calHeight;
	cIframe.scrollTo(0,currpos);
}

function scrollUp(){
	currpos-=calHeight;
	if(currpos>0)cIframe.scrollTo(0,currpos);
	else{currpos=stPos;calendar.reset();}
}

function Ajout_date1(d_day,d_month,d_year,jours) {
	
		var DaysOfMonths = Array(); //Nombre de jours par mois
		
		for (var i=1;i<=7;i++) {
			DaysOfMonths[i] = i%2 ? 31 : 30;
		}
		for (var i=8;i<=12;i++) {
			DaysOfMonths[i] = i%2 ? 30 : 31;
		}
		DaysOfMonths[2] = d_year%4 ? 28 : 29; // For fevrier only
		
		var C_Day 	= parseInt(d_day) + parseInt(jours);
		var C_Month = d_month;
		var C_Year  = d_year;
		while ( C_Day > DaysOfMonths[C_Month] ) {
			
			C_Day	= C_Day - DaysOfMonths[C_Month];
			C_Month++;
			if (C_Month == 13) break;
		}

		if (C_Month == 13) {
			C_Month = 1;
			C_Year++;
			C_Day--;
		var outputDate = Ajout_date(1,1,C_Year,C_Day);
		}
		else var outputDate = new Date(C_Year,C_Month,C_Day);
		return outputDate;
		
	}

function displayDate(dt){
	calendar.hide();
	var dates=dt.split("/");
	var DMY=dt.split("/");
	var day=DMY[0];
	var month=DMY[1];
	var year=DMY[2];
	modifJour(day,month,calendrierActif,year,month,day);
	
	if(calendrierActif == 1){
	var yu=parseInt(day)+parseInt(nbJours);
	
	var secondDate1=Ajout_date1(day,parseInt(month),year,nbJours);	
	
	//---------------------test sur le mois de novembre------------------------//
	/*var day1=secondDate1.getDate();
	if (month==11 && yu >31){
	var month1=12;
	}else {
	var month1=secondDate1.getMonth();
	}
	var year1=secondDate1.getYear();*/
	modifJour(day,month,2,year,month,day);
	}
}
function modifJour(dv,mv,bn,d_year,d_month,d_day){
	
	jour = new Date(d_year,d_month-1,d_day).getDay();
		if(bn == 1) {
				if (jour == 0) calForm.image1.src="/GOimages/dimanche.gif";
				if (jour == 1) calForm.image1.src="/GOimages/lundi.gif";
				if (jour == 2) calForm.image1.src="/GOimages/mardi.gif";
				if (jour == 3) calForm.image1.src="/GOimages/mercredi.gif";
				if (jour == 4) calForm.image1.src="/GOimages/jeudi.gif";
				if (jour == 5) calForm.image1.src="/GOimages/vendredi.gif";
				if (jour == 6) calForm.image1.src="/GOimages/samedi.gif";
		}else{
				if (jour == 0) calForm.image2.src="/GOimages/dimanche.gif";
				if (jour == 1) calForm.image2.src="/GOimages/lundi.gif";
				if (jour == 2) calForm.image2.src="/GOimages/mardi.gif";
				if (jour == 3) calForm.image2.src="/GOimages/mercredi.gif";
				if (jour == 4) calForm.image2.src="/GOimages/jeudi.gif";
				if (jour == 5) calForm.image2.src="/GOimages/vendredi.gif";
				if (jour == 6) calForm.image2.src="/GOimages/samedi.gif";
		}
		
	if(calForm.DEPART_YYYY_H) {
		 if(bn==1){
		 	calForm.DEPART_YYYY_H.value=d_year;
		 }else{
		 	calForm.RETOUR_YYYY_H.value=d_year;
		 }
	}else {
		if(bn==1){
			calForm.DEPART_YYYY.value=d_year;
		}else{
			calForm.RETOUR_YYYY.value=d_year;
		}
	}
	if(bn ==1){
	var drDay=eval("dropDay"+bn);
	var drMonth=eval("dropMonth"+bn);
		selOptionVal(drMonth,mv);
		setDays(bn);
		selOptionVal(drDay,dv,d_year);
		//verifier_date_vol(form.DEPART_DD,form.DEPART_MM,"DEPART_YYYY",calForm,"D");
		
	
	var drDay1=eval("dropDay2");
	var drMonth1=eval("dropMonth2");
		selOptionVal(drMonth1,mv);
		setDays(bn);		
		selOptionVal(drDay1,35,d_year);

	}else {
		var drDay=eval("dropDay"+bn);
	var drMonth=eval("dropMonth"+bn);
		selOptionVal(drMonth,mv);
		setDays(bn);
		selOptionVal(drDay,dv,d_year);
	}
}

function selOptionVal(ob,val,year){
	var ops=new Object();
	for(var i=0;i<ob.length;i++)
	ops[ob[i].value]=ob[i];
	if(ops[val])ops[val].selected=true;



}

function hasOptionVal(ob,val){
	var ops=new Object();
	for(var i=0;i<ob.length;i++)ops[ob[i].value]=ob[i];
	if(ops[val])return true;
	else return false;
}

function getChronMonth(month){
	var cM=month-initMonth;
	return (cM<0)?cM+12:cM;
}

function CalendrierHtml(){
	calendarHTML="";
	var currDate=new Date(Date.UTC(calYear,calMonth-1,calDay));//yyyy/mm from 0/d from 1

	calendarHTML+='<html><head><title>Calendar</title>'
	calendarHTML+=CSSinclude;
	calendarHTML+='<style type="text/css">\
		body{font-family:Verdana,sans-serif;font-size:13px;}\
		a{text-decoration:none;}\
		a.txt:hover{background-color:#31a102;}\
		td{font-family:Verdana,Helvetica,sans-serif;font-size:9px;text-align:center;color:#cccccc}\
		.white{font-family:Verdana,Helvetica,sans-serif;font-size:9px;text-align:center;color:#FFFFFF;font-weight:bold;}\
		td a{color:#000000;}\
		b{color:#000000;}\
		a.green       {color:#31a102;font-weight:bold;}\
		a.green:hover {color:#31a102;font-weight:bold;text-decoration:underline}\
		a.green:visited {color:#31a102;font-weight:bold;text-decoration:underline}\
		a.green:active {color:#31a102;font-weight:bold;text-decoration:underline}\
		.background_brand{background-color:#31a102;}\
		</style>\
		</head><body rightmargin="0" leftmargin="0" topmargin="0">'
	for(i=1;i<=12;i++){//For each month

		var month=currDate.getMonth()+1;//mm is from 0
		var numDays=dateJour(month);
		var year=currDate.getYear();if(year<2000) year+=1900;
		
		currDate.setDate(1);//set to first of the month and get day of the week
		var firstDay=currDate.getDay()-1;//Sun is 0 from getDay() but we run from Mon
		if(firstDay<0)firstDay=6;
		
	//Compile HTML
		var monthHTML='\
			<table border="0" cellspacing="0" cellpadding="0" height="180" width="140" background="/GOimages/calendrier/cal.gif" align="center">\
			<tr><td height="20" width="20" valign="top">';
		if(i>1)
			monthHTML+='<a href="javascript:top.calendar.previous();"> <img src="/GOimages/calendrier/precedent.gif" hspace="2" width="21" height="20" border="0"></a>';
		else
			monthHTML+='<img src="/GOimages/calendrier/trans.gif" width="20" height="13" border="0">';

			monthHTML+='</td><td colspan="5" width="100" class="white">'+ monthNames[currDate.getMonth()+1] +
			'</td><td  width="20">';
			
		if(i<12)
		
			monthHTML+='<a href="javascript:top.calendar.next()"><img src="/GOimages/calendrier/suivant.gif" hspace="2" width="20" height="20" border="0"></a>';
		else
			monthHTML+='<img src="/GOimages/calendrier/trans.gif" hspace="2" width="20" height="20" border="0">';

			monthHTML+='</td></tr><tr><td height="20" width="20"><b>L</b></td><td width="20"><b>M</b></td><td width="20"><b>M</b></td>\
			<td width="20"><b>J</b></td><td width="20"><b>V</b></td><td width="20"><b>S</b></td><td width="20"><b>D</b></td></tr>';

		for(j=0;j<42;j+=7){//for 6 week slots in month

			monthHTML+='<tr>';

			for(k=1;k<8;k++){//for each day of week

				var slotNo=j+k;
				var countFromFirstDay=slotNo-firstDay;
				var isLink=(slotNo>firstDay)&&(countFromFirstDay<=numDays);
				var preDays=(month==calMonth&&countFromFirstDay<calDay);
				/*if(calendrierActif==2){
					var M=dropMonth1.value*1,D=dropDay1.value*1;
					var M1=getChronMonth(M),cM=getChronMonth(month);
					preDays=(cM<M1)||(cM==M1&&countFromFirstDay<D);
					if(M==anyMonthVal||D==0)preDays=(month==calMonth&&countFromFirstDay<calDay);//if on "any"
				}*/
				var postDays=(month==moisFin&&countFromFirstDay>32);
				var dateToShow=(isLink)?countFromFirstDay:'';

			//compile displayDate('dd/mm/yyyy') argument for link
				var dateDay=countFromFirstDay;
				var dateMonth=currDate.getMonth()+1;
				//var dateYear=currDate.getYear();
				var dateYear=currDate.getFullYear();
				if (dateYear<2000) {dateYear=dateYear+1900};
				var dateString=dateDay+"/"+dateMonth+"/"+dateYear;
				jour = new Date(dateYear,dateMonth-1,dateDay).getDay();
				
				
			//Write table cell with link
				if (FF || NT) {
					if ( jour == 6 || jour ==0){				
					monthHTML+='<td height="20" bgcolor="#f9fdbf" background="/GOimages/calendrier/trans1.gif">';}
					else {
					monthHTML+='<td height="20">';
					}
				}else{
					if ( jour == 6 || jour ==0){				
					monthHTML+='<td height="20" bgcolor="#f9fdbf" background="/GOimages/calendrier/trans1.gif">';}
					else {
					monthHTML+='<td height="20">';
					}
				}
				if(isLink&&!preDays&&!postDays)
				monthHTML+='<a href="javascript:top.displayDate(\''+dateString+'\')" class="txt">';
				monthHTML+=dateToShow;
				if(isLink&&!preDays&&!postDays)
				monthHTML+='</a>';
				monthHTML+='</td>';
			}
			monthHTML+='</tr>';
		}
			monthHTML+='\
			<tr><td height="20">&nbsp;</td>\
			<td colspan="5" ><a href="javascript:top.calendar.hide()" class="green">Chiudere</a></td>\
			<td >&nbsp;</td></tr>\
			<tr><td colspan="7"><img src="/GOimages/calendrier/trans.gif" width="140" height="2"></td></tr></table>'
	
		calendarHTML+=monthHTML+'</body></html>';
		currDate.setMonth(currDate.getMonth()+1);
	}
}

function dateJour(M){
	if(M==2){
		var febYear=(initMonth<=2)?initYear:initYear*1+1;
		var febDate=new Date(Date.UTC(febYear,1,29));//yyyy/mm from 0/d from 1
		return (febDate.getMonth()==1)?29:28;
	}
	else return (M==9||M==4||M==6||M==11)?30:31;
}

//DROPDOWNS--
function setDays(Ncalendrier){
	if(N4)return;
	var D=eval("dropDay"+Ncalendrier).value*1;
	var M=eval("dropMonth"+Ncalendrier).value*1;
	var daysDD=eval("dropDay"+Ncalendrier);

}

function setDates(Ncalendrier){//onchange from month dropdown
	if(N4)return;
	setDays(Ncalendrier);
	calendrierActif=Ncalendrier;
	if(dropDay2)syncDropdowns();
}