/*

 * Gabriel Zerbib, 7 juin 1999.

 * gabriel.zerbib@usa.net

 *

 * Convertisseur Date Juive / Date Gregorienne

 * en JavaScript objet.

 * Un petit bijou :)

 *

 */



function CGDate(GD, GM, GY)

/*

 * CGDate constructeur

 */

{

        this.Day = GD;

        this.Month = GM;

        this.Year = GY;



        /*

         * Methods

         */

        this.Set = CGDate_Set;

        this.Pessach = CGDate_Pessach;

        this.RoshHashana = CGDate_RoshHashana;

        this.AddDays = CGDate_AddDays;

        this.Convert = CGDate_Convert;

        this.ConvertDate = CGDate_ConvertDate;

        this.Minus = CGDate_Minus;

        this.WeekdayName = CGDate_WeekdayName;

        this.MonthName = CGDate_MonthName;

        this.MonthLength = CGDate_MonthLength;

}



function CGDate_Set(GD, GM, GY)

/*

 * CGDate initiateur

 */

{

        this.Day = GD;

        this.Month = GM;

        this.Year = GY;

}



function CGDate_Minus(GDate)        //GDate as CGDate

/*

 * Retourne la difference de jours (this > GDate).

 */

{

        var days = 0;



        while((GDate.Year != this.Year) || (GDate.Month != this.Month) || (GDate.Day != this.Day))

        {

                if(this.Year > GDate.Year)

                {

                        if((this.Month > GDate.Month) || ((this.Month == GDate.Month) && (this.Day >= GDate.Day)))

                        {

                                if((GDate.Month < 2) || ((GDate.Month == 2) && (GDate.Day <= 28)))

                                        days += GLeap(GDate.Year) ? 1 : 0;

                                else

                                        days += GLeap(GDate.Year + 1) ? 1 : 0;

                                days += 365;

                                GDate.Year++;

                        }

                        else

                        {

                                days++;

                                GDate.AddDays(1);

                        }

                }

                else

                {

                        days++;

                        GDate.AddDays(1);

                }

        }

        return days;

}



function CGDate_Convert(HD, HM, HY)        //HD, HM, HY as int

/*

 * Conversion depuis une date juive.

 */

{

        var HDate2 = new CHDate(HD, HM, HY);

        HDate2.Create();

        var HDate1 = new CHDate(1, 7, HY);

        HDate1.YearLength = HDate2.YearLength;

        HDate1.Leap = HDate2.Leap;



        var GY = HY - 3761;

        this.RoshHashana(GY);

        this.AddDays(HDate2.Minus(HDate1));

}



function CGDate_ConvertDate(HDate)        //HDate as CHDate

/*

 * Conversion depuis une date juive.

 */

{



        this.Convert(HDate.Day, HDate.Month, HDate.Year);

}



function CGDate_AddDays(days)        //days as int > 0

/*

 * Translater la date du nombre de jours days.

 */

{

        var ml = this.MonthLength();



        if((this.Day == 1) && (this.Month == 1))

                while(days >= (GLeap(this.Year) ? 366 : 365))

                {

                        days -= GLeap(this.Year) ? 366 : 365;

                        this.Year++;

                }





        if(days + this.Day > ml)

        {

                days = days - (ml - this.Day + 1);

                this.Day = 1;

                this.Month++;

                if(this.Month == 13)

                {

                        this.Month = 1;

                        this.Year++;

                }

                this.AddDays(days);

        }

        else

                this.Day = this.Day + days;

}





function CGDate_RoshHashana(GY)        //GY as int

/*

 * Positionner l'objet this sur la date de Rosh Hashana de l'anne gregorienne GY.

 */

{

        this.Pessach(GY);

        this.AddDays(163);

}



function CGDate_Pessach(GY)        //GY as int

/*

 * Positionner l'objet this sur la date de Pessach de l'anne gregorienne GY.

 * Formule de Gauss.

 */

{

        var HY = GY + 3760;

        var LeapValue = (12 * HY + 17) % 19;

        var b = HY % 4;

        var dm = 32 + 4343 / 98496 + LeapValue + LeapValue * (272953 / 492480) + b / 4



        dm -= HY * (313 / 98496);



        var dmfrac = dm - Math.floor(dm);



        /*

         * Determiner les reports

         */

        var dc = (3 * HY + 5 * b + Math.floor(dm) + 5) % 7



        if((dc == 2) || (dc == 4) || (dc == 6))

          dm++;

        if((dc == 1) && (LeapValue > 6) && (dmfrac >= 1367 / 2160))

          dm += 2;

        if((dc == 0) && (LeapValue > 11) && (dmfrac >= 23269 / 25920))

          dm++;



        /*

         * conversion de la date julienne en date gregorienne.

         */

        var s = Math.floor(GY / 100);

        var add = Math.floor((3 * s - 5) / 4);

        if(GY > 1582)

          dm += add;



        dm = Math.floor(dm);

        var month = 3;

        if(dm > 153)

        {

          month = 8;

          dm -= 153;

        }

        if(dm > 122)

        {

          month = 7;

          dm -= 122;

        }

        if(dm > 92)

        {

          month = 6;

          dm -= 92;

        }

        if(dm > 61)

        {

          month = 5;

          dm -= 61;

        }

        if(dm > 31)

        {

          month = 4;

          dm -= 31;

        }





        this.Day = dm;

        this.Month = month;

        this.Year = GY;

}







function GLeap(GY)        //as bool. GY as int

/*

 * Retourne vrai si l'annee gregorienne est bissextile.

 */

{

        if(GY % 400 == 0)

                return true;

        else if(GY % 4 == 0)

        {

                if(GY % 100 == 0)

                        return false;

                return true;

        }

        else return false;

}



function CGDate_MonthLength()

{

        return GMonthLength(this.Month, this.Year);

}



function GMonthLength(GM, GY)        // as int. GM, GY as int

/*

 * Retourne le nombre de jours du mois.

 */

{

        switch(GM)

        {

                case 1:        case 3:        case 5:        case 7:        case 8: case 10: case 12: return 31;

                case 2: return GLeap(GY) ? 29 : 28;

                case 4: case 6: case 9: case 11: return 30;

        }

}



function CGDate_MonthName()

{

        return GMonthName(this.Month);

}



function GMonthName(GM)

{

        switch(GM)

        {

        case 1: return "janvier";

        case 2: return "fevrier";

        case 3: return "mars";

        case 4: return "avril";

        case 5: return "mai";

        case 6: return "juin";

        case 7: return "juillet";

        case 8: return "aout";

        case 9: return "septembre";

        case 10: return "octobre";

        case 11: return "novembre";

        case 12: return "decembre";

        }

}



function CGDate_WeekdayName()

{

        var a = Math.floor((14 - this.Month) / 12);

        var y = this.Year - a;

        var m = this.Month + 12 * a - 2;

        var d = (this.Day + y + Math.floor(y / 4) - Math.floor(y / 100) + Math.floor(y / 400) + Math.floor(31 * m / 12)) % 7;



        switch(d)

        {

        case 0: return "dimanche";

        case 1: return "lundi";

        case 2: return "mardi";

        case 3: return "mercredi";

        case 4: return "jeudi";

        case 5: return "vendredi";

        case 6: return "samedi";

        }

}





function CHDate(HD, HM, HY)

/*

 * CHDate constructeur

 */

{

        this.Day = HD;

        this.Month = HM;

        this.Year = HY;



        this.YearLength = 0;

        this.Leap = false;



        /*

         * Methods

         */

        this.Set = CHDate_Set;

        this.Create = CHDate_Create;

        this.Minus = CHDate_Minus;

        this.MonthLength = CHDate_MonthLength;

        this.MonthName = CHDate_MonthName;

        this.AddDays = CHDate_AddDays;

        this.Convert = CHDate_Convert;

        this.ConvertDate = CHDate_ConvertDate;

}



function CHDate_Create()

/*

 * CHDate creation : a appeler lorsque l'annee vient d'etre specifiee,

 * pour le calcul du type d'annee juive.

 */

{

        var GY = this.Year - 3761;



        var GDate1 = new CGDate;

        var GDate2 = new CGDate;

        GDate1.RoshHashana(GY);

        GDate2.RoshHashana(GY + 1);

        this.YearLength = GDate2.Minus(GDate1);



        this.Leap = (this.YearLength > 355);

}



function CHDate_Minus(HDate)

{

        var days = 0;



        if(HDate.Year != this.Year)

                return null;        //Not implemented yet !!



        while(HDate.Month != this.Month)

        {

                days += HDate.MonthLength() - HDate.Day + 1;

                HDate.Day = 1;

                HDate.Month++;

                if(HDate.Month > (HDate.Leap ? 13 : 12))

                        HDate.Month = 1;

        }



        days += this.Day - HDate.Day;



        return days;

}



function CHDate_Convert(GD, GM, GY)

{

        var GDate = new CGDate;

        var GRH = new CGDate;

        var days = 0;



        GDate.Set(GD, GM, GY);

        GRH.RoshHashana(GY);

        if((GRH.Month > GM) || ((GRH.Month == GM) && (GRH.Day > GD)))

                GRH.RoshHashana(GY-1);



        this.Day = 1;

        this.Month = 7;

        this.Year = GRH.Year + 3761;

        this.Create();

        days = GDate.Minus(GRH);

        this.AddDays(days);

}



function CHDate_ConvertDate(GDate)

{

        this.Convert(GDate.Day, GDate.Month, GDate.Year);

}





function CHDate_AddDays(days)

{

 // Algorithme non optimise pour les grands nombres (days > 1 an)



        while(days > 0)

        {

                if(days + this.Day > this.MonthLength())

                {

                        days -= this.MonthLength() - this.Day + 1;

                        this.Day = 1;

                        if(this.Month == 6)

                        {

                                this.Month = 7;

                                this.Year++;

                                this.Create();

                        }

                        else

                        {

                                this.Month++;

                                if(this.Month > (this.Leap ? 13 : 12))

                                        this.Month = 1;

                        }

                }

                else

                {

                        this.Day += days;

                        days = 0;

                }

        }

}





function CHDate_Set(HD, HM, HY)

{

        this.Day = HD;

        this.Month = HM;

        if(HY != this.Year)

        {

                this.Year = HY;

                this.Create;

        }

}



function CHDate_MonthLength()

{

        return HMonthLength(this);

}



function HMonthLength(hdate)

{

        var month = hdate.Month;

        var yearlength = hdate.YearLength;

        var leap = hdate.Leap;



        switch(Number(month))

        {

        case 1: return 30;

        case 3: return 30;

        case 5: return 30;

        case 7: return 30;

        case 11: return 30;



        case 2: return 29;

        case 4: return 29;

        case 6: return 29;

        case 10: return 29;



        case 8: return ((yearlength == 355) || (yearlength == 385)) ? 30 : 29;

        case 9: return ((yearlength == 353) || (yearlength == 383)) ? 29 : 30;

        case 12: return (leap ? 30 : 29);

        case 13: return 29;

        }

}



function CHDate_MonthName()

{

        return HMonthName(this.Month);

}



function HMonthName(hm)

{

        switch(hm)

        {

        case 1: return "Nissan";

        case 2: return "Iyar";

        case 3: return "Sivan";

        case 4: return "Tamouz";

        case 5: return "Av";

        case 6: return "Eloul";

        case 7: return "Tishri";

        case 8: return "Heshvan";

        case 9: return "Kislev";

        case 10: return "Tevet";

        case 11: return "Shvat";

        case 12: return "Adar";

        case 13: return "Adar II";

        }

}





function HebrewMonthToString(nMonth)

{

        var aMonths = new Array ("ðéñï", "àéø", "ñéåï", "úîåæ", "àá", "àìåì", "úùøé", "çùåï", "ëñìå", "èáú", "ùáè", "àãø", "åàãø");

        return aMonths[nMonth - 1];

}



function HebrewNumberToString(N, bNoSeparator)

{

        if(isNaN(N))

                return N;



        if(N == 15)

                return "è\"å";



        var sAlefBet =                         "àáâãäåæçèéëìîðñòôö÷øùú";

//        var sAlefBetSofit = "àáâãäåæçèéêìíïñòóõ÷øùú";

        var sAlefBetSofit =                         "àáâãäåæçèéëìîðñòôö÷øùú";



        var aValues = new Array(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 200, 300, 400);

        var s = "";

        var i = 21;

        var n = N;



        while(n >= 1)

        {

                while(n >= aValues[i])

                {

                        if(n == aValues[i])

                        {

                                if(s.length > 0)

                                        s += (bNoSeparator == true ? "" : "\"") + sAlefBetSofit.charAt(i);

                                else

                                        s =  sAlefBetSofit.charAt(i) + (bNoSeparator == true ? "" : "\"");

                        }

                        else

                                s += sAlefBet.charAt(i);



                        n -= aValues[i];

                }



                i --;

        }



        return s;

}



function aff_hd()

{

var mois=new Array(13);

mois[1]="Janvier";mois[2]="Février";mois[3]="Mars";mois[4]="Avril";mois[5]="Mai";mois[6]="Juin";mois[7]="Juillet";mois[8]="Août";mois[9]="Septembre";mois[10]="Octobre";mois[11]="Novembre";mois[12]="Décembre";

var time=new Date();

var month=mois[time.getMonth() + 1];

var date=time.getDate();

var year=time.getYear();

var my_date= new Date();

var hour=my_date.getHours();

if(hour<10)

{ hour="0"+hour; }

var minute=my_date.getMinutes();

if(minute<10)

{ minute="0"+minute; }

var second=my_date.getSeconds();

if(second<10)

{ second="0"+second; }

document.write(date+' '+month+' '+year+' ');

}



var myGDate = new CGDate;

var today = new Date();

var myHDate = new CHDate;

myGDate.Set(today.getDate(), today.getMonth() + 1, today.getFullYear());

myHDate.Convert(myGDate.Day, myGDate.Month, myGDate.Year);

document.write(myHDate.Day+' '+HMonthName(myHDate.Month)+''+myHDate.Year+'&nbsp;&nbsp;');

aff_hd();



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//
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//
//var step = 1;
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//var delay = 30;
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//var height = 0;
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//var Hoffset = 0;
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//var Woffset = 0;
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//var yon = 0;
//
//var xon = 0;
//
//var pause = false;
//
//var interval;
//
//clics.style.top = yPos;
//
//function changePos() {
//
//width = document.body.clientWidth;
//
//height = document.body.clientHeight;
//
//Hoffset = clics.offsetHeight;
//
//Woffset = clics.offsetWidth;
//
//clics.style.left = xPos + document.body.scrollLeft;
//
//clics.style.top = yPos + document.body.scrollTop;
//
//if (yon) {
//
//yPos = yPos + step;
//
//}
//
//else {
//
//yPos = yPos - step;
//
//}
//
//if (yPos < 0) {
//
//yon = 1;
//
//yPos = 0;
//
//}
//
//if (yPos >= (height - Hoffset)) {
//
//yon = 0;
//
//yPos = (height - Hoffset);
//
//}
//
//if (xon) {
//
//xPos = xPos + step;
//
//}
//
//else {
//
//xPos = xPos - step;
//
//}
//
//if (xPos < 0) {
//
//xon = 1;
//
//xPos = 0;
//
//}
//
//if (xPos >= (width - Woffset)) {
//
//xon = 0;
//
//xPos = (width - Woffset);
//
//   }
//
//}
//
//function start() {
//
//clics.visibility = "visible";
//
//interval = setInterval('changePos()', delay);
//
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//
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//
//if(pause) {
//
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//
//pause = false;
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//
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//
//interval = setInterval('changePos()',delay);
//
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//
//start();