////////////////////////////
// AFFICHAGE CALENDRIER //
////////////////////////////

// <!-- <![CDATA[

// Project: Dynamic Date Selector (DtTvB) - 2006-03-16
// Script featured on JavaScript Kit- http://www.javascriptkit.com
// Code begin...
// Set the initial date.
var ds_i_date = new Date();
ds_c_month = ds_i_date.getMonth() + 1;
ds_c_year = ds_i_date.getFullYear();


function ds_getDep(uneDate) {
	var rep;
	if (uneDate == "annee")
	{
		rep = document.getElementById("date_dpt").value;
		//rep = rep.substring(6,8);//BLEF
		rep = rep.substring(8,10);
	}
	else
	{
		if (uneDate == "mois")
		{
			rep = document.getElementById("date_dpt").value;
			rep = rep.substring(3,5);
		}
		else
		{
			if (uneDate == "jour")
			{
				rep = document.getElementById("date_dpt").value;
				rep = rep.substring(0,2);
			}
			else
				rep = document.getElementById("date_dpt").value;
		}
	}
	return rep;
}
function ds_getRet(uneDate) {
	var rep;
	if (uneDate == "annee")
	{
		rep = document.getElementById("date_retour").value;
		//rep = rep.substring(6,8);//BLEF
		rep = rep.substring(8,10);
	}
	else
	{
		if (uneDate == "mois")
		{
			rep = document.getElementById("date_retour").value;
			rep = rep.substring(3,5);
		}
		else
		{
			if (uneDate == "jour")
			{
				rep = document.getElementById("date_retour").value;
				rep = rep.substring(0,2);
			}
			else
				rep = document.getElementById("date_retour").value;
		}
	}
	return rep;
}

// Get Element By Id
function ds_getel(id) {
	return document.getElementById(id);
}

// Get the left and the top of the element.
function ds_getleft(el) {
	var tmp = el.offsetLeft;
	el = el.offsetParent
	while(el) {
		tmp += el.offsetLeft;
		el = el.offsetParent;
	}
	return tmp;
}

function ds_gettop(el) {
	var tmp = el.offsetTop;
	el = el.offsetParent
	while(el) {
		tmp += el.offsetTop;
		el = el.offsetParent;
	}
	return tmp;
}

// Output Element
var ds_oe = ds_getel('ds_calclass');
// Container
var ds_ce = ds_getel('ds_conclass');

// Output Buffering
var ds_ob = ''; 
function ds_ob_clean() {
	ds_ob = '';
}
function ds_ob_flush() {
	ds_oe.innerHTML = ds_ob;
	ds_ob_clean();
}
function ds_echo(t) {
	ds_ob += t;
}

var ds_element; // Text Element...

var ds_monthnames = [
'Janvier', 'Février', 'Mars', 'Avril', 'Mai', 'Juin', 'Juillet', 'Aout', 'Septembre', 'Octobre', 'Novembre', 'Décembre'
]; // You can translate it for your language.

var ds_daynames = [
'Dim', 'Lun', 'Mar', 'Me', 'Jeu', 'Ven', 'Sam'
]; // You can translate it for your language.

// Calendar template
function ds_template_main_above(t, departOuRetour) {
	return '<table cellpadding="2" cellspacing="1" class="ds_tbl">'
	     + '<tr>'
		 + '<td class="ds_head" style="cursor:pointer" onclick="ds_py(\'' + departOuRetour + '\');">&lt;&lt;</td>'
		 + '<td class="ds_head" style="cursor:pointer" onclick="ds_pm(\'' + departOuRetour + '\');">&lt;</td>'
		 + '<td class="ds_head" style="cursor:pointer;font-size:17px;" onclick="ds_hi();" colspan="3">[Fermer]</td>'
		 + '<td class="ds_head" style="cursor:pointer" onclick="ds_nm(\'' + departOuRetour + '\');">&gt;</td>'
		 + '<td class="ds_head" style="cursor:pointer" onclick="ds_ny(\'' + departOuRetour + '\');">&gt;&gt;</td>'
		 + '</tr>'
	     + '<tr>'
		 + '<td colspan="7" class="ds_head">' + t + '</td>'
		 + '</tr>'
		 + '<tr>';
}

function ds_template_day_row(t) {
	return '<td class="ds_subhead">' + t + '</td>';
	// Define width in CSS, XHTML 1.0 Strict doesn't have width property for it.
}

function ds_template_new_week() {
	return '</tr><tr>';
}

function ds_template_blank_cell(colspan) {
	return '<td colspan="' + colspan + '"></td>'
}

function ds_css_day(d, m, y, departOuRetour) 
{
	var maDate = new Date();
	if (ds_getDep() == GetNextDate(d, m, y, 0))
		return '<td class="ds_cell_depart" onclick="ds_onclick(' + d + ',' + m + ',' + y + ', \''+departOuRetour+'\')">' + d + '</td>';
	else
		if (ds_getRet() == GetNextDate(d, m, y, 0))
			return '<td class="ds_cell_retour">' + d + '</td>';
		else
			if (y < maDate.getFullYear())
				return '<td class="ds_cell_off">' + d + '</td>';
			else
				if (y > maDate.getFullYear())
					return '<td class="ds_cell" onclick="ds_onclick(' + d + ',' + m + ',' + y + ', \''+departOuRetour+'\')">' + d + '</td>';
				else
					if ((m - 1) < maDate.getMonth())
						return '<td class="ds_cell_off">' + d + '</td>';
					else
						if ((m - 1) > maDate.getMonth())
							return '<td class="ds_cell" onclick="ds_onclick(' + d + ',' + m + ',' + y + ', \''+departOuRetour+'\')">' + d + '</td>';
						else
							if (d <= maDate.getDate())
								return '<td class="ds_cell_off">' + d + '</td>';
							else
								return '<td class="ds_cell" onclick="ds_onclick(' + d + ',' + m + ',' + y + ', \''+departOuRetour+'\')">' + d + '</td>';
}

function ds_template_day(d, m, y, departOuRetour) {
	// getDate() = Jour du mois (1 à 31)
	// getMonth() = Numéro du mois (0 = Janvier, 1 = Février, ...)
	// getFullYear() = Année (2009)
	var y2 = parseInt("20" + ds_getDep("annee")); // Convert to 4 digits
	
	if (departOuRetour == "depart")
		return ds_css_day(d, m, y, departOuRetour);

	if (departOuRetour == "retour")
	{
		if (y < y2) // Si l'Année retour <= Année aller
			return '<td class="ds_cell_off">' + d + '</td>';
		else
			if (y > y2) // Si l'Année retour <= Année aller
				return ds_css_day(d, m, y, departOuRetour);
			else
				if (m < ds_getDep("mois"))
					return '<td class="ds_cell_off">' + d + '</td>';
				else
					if(m > ds_getDep("mois"))
						return ds_css_day(d, m, y, departOuRetour);
							if (d < ds_getDep("jour"))
								return '<td class="ds_cell_off">' + d + '</td>';
							else
								return ds_css_day(d, m, y, departOuRetour);
	}
	// Define width the day row.
}

function ds_template_main_below() {
	return '</tr>'
	     + '</table>';
}

// This one draws calendar...
function ds_draw_calendar(m, y, departOuRetour) 
{
	//alert(y);//BLEF
	// First clean the output buffer.
	ds_ob_clean();
	// Here we go, do the header
	ds_echo (ds_template_main_above(ds_monthnames[m - 1] + ' ' + y, departOuRetour));
	for (i = 0; i < 7; i++) {
		ds_echo (ds_template_day_row(ds_daynames[i]));
	}
	// Make a date object.
	var ds_dc_date = new Date();
	ds_dc_date.setMonth(m - 1);
	ds_dc_date.setFullYear(y);
	ds_dc_date.setDate(1);
	if (m == 1 || m == 3 || m == 5 || m == 7 || m == 8 || m == 10 || m == 12) {
		days = 31;
	} else if (m == 4 || m == 6 || m == 9 || m == 11) {
		days = 30;
	} else {
		days = (y % 4 == 0) ? 29 : 28;
	}
	var first_day = ds_dc_date.getDay();
	var first_loop = 1;
	// Start the first week
	ds_echo (ds_template_new_week());
	// If sunday is not the first day of the month, make a blank cell...
	if (first_day != 0) {
		ds_echo (ds_template_blank_cell(first_day));
	}
	var j = first_day;
	for (i = 0; i < days; i ++) {
		// Today is sunday, make a new week.
		// If this sunday is the first day of the month,
		// we've made a new row for you already.
		if (j == 0 && !first_loop) {
			// New week!!
			ds_echo (ds_template_new_week());
		}
		// Make a row of that day!
		ds_echo (ds_template_day(i + 1, m, y, departOuRetour));
		// This is not first loop anymore...
		first_loop = 0;
		// What is the next day?
		j ++;
		j %= 7;
	}
	// Do the footer
	ds_echo (ds_template_main_below());
	// And let's display..
	ds_ob_flush();
}

// A function to show the calendar.
// When user click on the date, it will set the content of t.
function ds_sh(t, departOuRetour) 
{
	// Set the element to set...
	ds_element = t;
	value=t.value;
	// Make a new date, and set the current month and year.
	ds_c_month = value.substring(3,5);
	ds_c_year = parseInt("20" + value.substring(8,10));//BLEF
	
	// Draw the calendar
	ds_draw_calendar(ds_c_month, ds_c_year, departOuRetour);
	// To change the position properly, we must show it first.
	ds_ce.style.display = '';
	// Move the calendar container!
	the_left = ds_getleft(t);
	the_top = ds_gettop(t) + t.offsetHeight;
	ds_ce.style.top = the_top + "px";
	ds_ce.style.left = the_left + "px";
}

// Hide the calendar.
function ds_hi() {
	ds_ce.style.display = 'none';
}

// Moves to the next month...
function ds_nm(departOuRetour) {
	// Increase the current month.
	ds_c_month ++;
	// We have passed December, let's go to the next year.
	// Increase the current year, and set the current month to January.
	if (ds_c_month > 12) {
		ds_c_month = 1; 
		ds_c_year++;
	}
	// Redraw the calendar.
	ds_draw_calendar(ds_c_month, ds_c_year, departOuRetour);
}

// Moves to the previous month...
function ds_pm(departOuRetour) {
	ds_c_month = ds_c_month - 1; // Can't use dash-dash here, it will make the page invalid.
	// We have passed January, let's go back to the previous year.
	// Decrease the current year, and set the current month to December.
	if (ds_c_month < 1) {
		ds_c_month = 12; 
		ds_c_year = ds_c_year - 1; // Can't use dash-dash here, it will make the page invalid.
	}
	// Redraw the calendar.
	ds_draw_calendar(ds_c_month, ds_c_year, departOuRetour);
}

// Moves to the next year...
function ds_ny(departOuRetour) {
	// Increase the current year.
	ds_c_year++;
	// Redraw the calendar.
	ds_draw_calendar(ds_c_month, ds_c_year, departOuRetour);
}

// Moves to the previous year...
function ds_py(departOuRetour) {
	// Decrease the current year.
	ds_c_year = ds_c_year - 1; // Can't use dash-dash here, it will make the page invalid.
	// Redraw the calendar.
	ds_draw_calendar(ds_c_month, ds_c_year, departOuRetour);
}

// Format the date to output.
function ds_format_date(d, m, y) {
	// 2 digits month.
	m2 = '00' + m;
	
	m2 = m2.substr(m2.length - 2);
	// 2 digits day.
	d2 = '00' + d;
	d2 = d2.substr(d2.length - 2);
	// YYYY-MM-DD
	//return y + '-' + m2 + '-' + d2;
	return d2 + '-' + m2 + '-' + y;
}

function GetNextDate(vJour, vMois, vAnnee, nbj)
{
	myDate = new Date(vAnnee, vMois, vJour);
	myDate.setDate(vJour + nbj);
	vJour = myDate.getDate();
	if(vJour < 10)
		vJour = '0' + vJour;
	vMois = myDate.getMonth();
	if(vMois < 10)
		vMois = '0' + vMois;
	// annee = myDate.getFullYear();
	vAnnee = myDate.getFullYear();
	//vAnnee = vAnnee.toString().substring(2,4);//BLEF
	
	return (vJour + '-' + vMois + '-' + vAnnee);
}

// When the user clicks the day.
function ds_onclick(d, m, y, departOuRetour) {
	document.getElementById("date_dpt").readonly=false;
	document.getElementById("date_retour").readonly=false;
	// Hide the calendar.
	ds_hi();
	var nb = 7;
	var retDay = d;
	var retMonth = m;
	var retYear = y;	
	
	if (m == 1 || m == 3 || m == 5 || m == 7 || m == 8 || m == 10 || m == 12)
		days = 31;
	else if (m == 4 || m == 6 || m == 9 || m == 11) 
		days = 30;
	else
		days = (y % 4 == 0) ? 29 : 28;
	
	if(d + nb <= days)
	{
		retDay = d + nb;
		retMonth = m;
		retYear = y;
	}
	else if(d + nb > days)
	{
		retDay = (d + nb) - days;
		retMonth = m + 1;
	}
	
	if (retMonth == 13)
	{
		retMonth = 1;
		retYear = y + 1;
	}
	
	if(retDay < 10)
		retDay = '0' + retDay;	
	if(retMonth < 10)
		retMonth = '0' + retMonth;
	//retYear = retYear.toString().substring(2,4); //BLEF
	
	document.getElementById('date_retour').value = retDay+'-'+retMonth+'-'+retYear; // Send default value in the "date_retour" input
	//y = y.toString().substring(2,4); // Convert 2009 to 09 for the website//BLEF
	// Set the value of it, if we can.
	if (typeof(ds_element.value) != 'undefined')
	{
		ds_element.value = ds_format_date(d, m, y);
	} 
	else if (typeof(ds_element.innerHTML) != 'undefined') 
	{
		ds_element.innerHTML = ds_format_date(d, m, y);
	} 
	else 
	{
		alert(ds_format_date(d, m, y));
	}
	document.getElementById("date_dpt").readonly=true;
	document.getElementById("date_retour").readonly=true;
}

// And here is the end.

// ]]> -->
function addDate(d, nb) {
	// additionne nb jours à une date
	var d1 = d.getTime(), d2 = new Date();
	d1 += 24*3600*1000*nb
	d2.setTime(d1)
	return d2
}

function formatDate(d,m,a){
	if(d.toString().length == 1) d="0"+d;
	if(m.toString().length == 1) m="0"+m;
	return(d+"-"+m+"-"+a)
}
function initDate()
{
	var myDate = new Date();
	myDate7 = addDate(myDate, 7);
	myDate14 = addDate(myDate, 14);
	d = myDate7.getDate();
	m = myDate7.getMonth() + 1;
	y = myDate7.getFullYear();
	document.getElementById("date_dpt").value = formatDate(myDate7.getDate(),myDate7.getMonth() + 1,myDate7.getFullYear());
	document.getElementById("date_retour").value = formatDate(myDate14.getDate(),myDate14.getMonth() + 1,myDate14.getFullYear());
}

window.onload = function() 
{ 
	initDate();
}
