// © SoftComplex (feedback@softcomplex.com) - http://www.softcomplex.com
// Note: Permission given to use this script in ANY kind of applications if header lines are left unchanged.
// Note: Script consists of two files: calendar?.js and calendar.html
// About us: Our company provides offshore IT consulting services.
// Contact us at sales@softcomplex.com if you have any programming task you want to be handled by professionals. Our typical hourly rate is $20. If two digit year input dates after this year considered 20 century.
var NUM_CENTYEAR = 30;
var BUL_TIMECOMPONENT = false;
var BUL_YEARSCROLL = true;
var calendars = [];
var RE_NUM = /^\-?\d+$/;
var DateSeparator
var TypeDate

var Message_001 = "Erreur d'appel du calendrier : aucun 'target' spécifié";
var Message_002 = "Erreur d'appel du calendrier : le paramètre spécifié n'est pas un 'target' valide"
var Message_003 = "Format de date non valide : '"
var Message_004 = "'.\nFormat accepté : jj"+DateSeparator+"mm"+DateSeparator+"aaaa."
var Message_005 = "'.\nAucune valeur de jour du mois n'a pu être trouvée."
var Message_006 = "Valeur de jour du mois non valide : '"
var Message_007 = "'.\nAucune valeur de mois n'a pu être trouvée."
var Message_008 = "Valeur de mois non valide : '"
var Message_009 = "'.\nAucune valeur d'année n'a pu être trouvée."
var Message_010 = "Valeur d'année non valide : '"
var Message_011 = "'.\nValeurs autorisées de 01-12."
var Message_012 = "'.\nValeurs autorisées de 01-"


function calendar1(obj_target,separator,FormatDate) {
DateSeparator = separator;
TypeDate      = FormatDate ;
this.gen_date = cal_gen_date1;
this.gen_time = cal_gen_time1;
this.gen_tsmp = cal_gen_tsmp1;
this.prs_date = cal_prs_date1;
this.prs_time = cal_prs_time1;
this.prs_tsmp = cal_prs_tsmp1;
this.popup    = cal_popup1;
if (!obj_target)
return cal_error(Message_001);
if (obj_target.value == null)
return cal_error(Message_002);
this.target = obj_target;
this.time_comp = BUL_TIMECOMPONENT;
this.year_scroll = BUL_YEARSCROLL;
this.id = calendars.length;
calendars[this.id] = this;
}
function cal_popup1 (str_datetime) {
this.dt_current = this.prs_tsmp(str_datetime ? str_datetime : this.target.value);
if (!this.dt_current) return;
var obj_calwindow = window.open(
'calendar.html?datetime=' + this.dt_current.valueOf()+ '&id=' + this.id,
'Calendar', 'width=200,height='+(this.time_comp ? 215 : 190)+
',status=no,resizable=no,top=200,left=200,dependent=yes,alwaysRaised=yes'
);
obj_calwindow.opener = window;
obj_calwindow.focus();
}
function cal_gen_tsmp1 (dt_datetime) {
return(this.gen_date(dt_datetime) + ' ' + this.gen_time(dt_datetime));
}
function cal_gen_date1 (dt_datetime) {
if (TypeDate==1){// AAAA/MM/JJ
        return (
        dt_datetime.getFullYear()+ DateSeparator
        + (dt_datetime.getMonth() < 9 ? '0' : '') + (dt_datetime.getMonth() + 1) + DateSeparator
        + (dt_datetime.getDate() < 10 ? '0' : '') + dt_datetime.getDate()
        );
   }
  else
if (TypeDate==2){// MM/JJ/AAAA
        return (
        (dt_datetime.getMonth() < 9 ? '0' : '') + (dt_datetime.getMonth() + 1) + DateSeparator
        + (dt_datetime.getDate() < 10 ? '0' : '') + dt_datetime.getDate() + DateSeparator
        + dt_datetime.getFullYear()
        );
   }
  else //JJ/MM/AAAA
  {
        return (
        (dt_datetime.getDate() < 10 ? '0' : '') + dt_datetime.getDate() + DateSeparator
        + (dt_datetime.getMonth() < 9 ? '0' : '') + (dt_datetime.getMonth() + 1) + DateSeparator
        + dt_datetime.getFullYear()
        );
  }
}
function cal_gen_time1 (dt_datetime) {
return (
(dt_datetime.getHours() < 10 ? '0' : '') + dt_datetime.getHours() + ":"
+ (dt_datetime.getMinutes() < 10 ? '0' : '') + (dt_datetime.getMinutes()) + ":"
+ (dt_datetime.getSeconds() < 10 ? '0' : '') + (dt_datetime.getSeconds())
);
}
function cal_prs_tsmp1 (str_datetime) {
if (!str_datetime)return (new Date());
if (RE_NUM.exec(str_datetime))
return new Date(str_datetime);
var arr_datetime = str_datetime.split(' ');
return this.prs_time(arr_datetime[1], this.prs_date(arr_datetime[0]));
}
function cal_prs_date1 (str_date) {
var arr_date = str_date.split(DateSeparator);
var aDay, aMonth, aYear
if (TypeDate==1){// AAAA/MM/JJ
        aDay = 2
        aMonth = 1
        aYear = 0
   }
  else
if (TypeDate==2){// MM/JJ/AAAA
        aDay = 1
        aMonth = 0
        aYear = 2
   }
  else //JJ/MM/AAAA
  {
   aDay = 0
   aMonth = 1
   aYear = 2
  }
if (arr_date.length != 3) return cal_error (Message_003 + str_date + Message_004);
if (!arr_date[aDay]) return cal_error (Message_003 + str_date + Message_005);
if (!RE_NUM.exec(arr_date[aDay])) return cal_error (Message_006 + arr_date[aDay]);
if (!arr_date[aMonth]) return cal_error (Message_003 + str_date + Message_007);
if (!RE_NUM.exec(arr_date[aMonth])) return cal_error (Message_008 + arr_date[aMonth]);
if (!arr_date[aYear]) return cal_error (Message_003 + str_date + Message_009);
if (!RE_NUM.exec(arr_date[aYear])) return cal_error (Message_010 + arr_date[aYear]);
var dt_date = new Date();
dt_date.setDate(aMonth);
if (arr_date[aMonth] < 1 || arr_date[aMonth] > 12) return cal_error (Message_008 + arr_date[aMonth] + Message_011);
dt_date.setMonth(arr_date[aMonth]-1);
if (arr_date[aYear] < 100) arr_date[aYear] = Number(arr_date[aYear]) + (arr_date[aYear] < NUM_CENTYEAR ? 2000 : 1900);
dt_date.setFullYear(arr_date[aYear]);
var dt_numdays = new Date(arr_date[aYear], arr_date[aMonth], 0);
dt_date.setDate(arr_date[aDay]);
if (dt_date.getMonth() != (arr_date[aMonth]-1)) return cal_error (Message_006 + arr_date[aDay] + Message_012+dt_numdays.getDate()+".");
return (dt_date)
}
function cal_prs_time1 (str_time, dt_date) {
if (!dt_date) return null;
var arr_time = String(str_time ? str_time : '').split(':');
if (!arr_time[0]) dt_date.setHours(0);
else if (RE_NUM.exec(arr_time[0]))
if (arr_time[0] < 24) dt_date.setHours(arr_time[0]);
else return cal_error ("Valeur d'heure non valide : '" + arr_time[0] + "'.\nValeurs autorisées de 00-23.");
else return cal_error ("Valeur d'heure non valide : '" + arr_time[0] + "'.\nValeurs autorisées sous forme integer.");
if (!arr_time[1]) dt_date.setMinutes(0);
else if (RE_NUM.exec(arr_time[1]))
if (arr_time[1] < 60) dt_date.setMinutes(arr_time[1]);
else return cal_error ("Valeur de minutes non valide : '" + arr_time[1] + "'.\nValeurs autorisées de 00-59.");
else return cal_error ("Valeur de minutes non valide : '" + arr_time[1] + "'.\nValeurs autorisées sous forme integer.");
if (!arr_time[2]) dt_date.setSeconds(0);
else if (RE_NUM.exec(arr_time[2]))
if (arr_time[2] < 60) dt_date.setSeconds(arr_time[2]);
else return cal_error ("Valeur de secondes non valide : '" + arr_time[2] + "'.\nValeurs autorisées de 00-59.");
else return cal_error ("Valeur de secondes non valide : '" + arr_time[2] + "'.\nValeurs autorisées sous forme integer.");
dt_date.setMilliseconds(0);
return dt_date;
}
function cal_error (str_message) {
alert (str_message);
return null;
}