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var dkSolar = 0;

var dkGregorian = 1;



var DaysOfMonths = new Array();

var LeapMonth = new Array();

var DaysToMonth = new Array();



DaysOfMonths = [[31, 31, 31, 31, 31, 31, 30, 30, 30, 30, 30, 29], [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]];

LeapMonth = [12, 2];

DaysToMonth = [[0, 31, 62, 93, 124, 155, 186, 216, 246, 276, 306, 336, 365], [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365]];



function Integer(val)

{

this.value = val;

}



function IsLeapYear(DateKind, Year)

{

if (DateKind == dkSolar) 

return ((((Year + 38) * 31) % 128) <= 30);

else

return (((Year % 4) == 0) && (((Year % 100) != 0) || ((Year % 400) == 0)));

}



function DaysOfMonth(DateKind, Year, Month)

{

var Result;

if ((Year != 0) && ((Month <= 12) && (Month >= 1))) 

{

Result = DaysOfMonths[DateKind][Month - 1];

if ((Month == LeapMonth[DateKind]) && IsLeapYear(DateKind, Year)) Result++;

}

else

Result = 0;

return Result;

}



function IsDateValid(DateKind, Year, Month, Day)

{

return ((Year!= 0) && (Month >= 1) && (Month <= 12) && (Day >= 1) && Day <= (DaysOfMonth(DateKind, Year, Month)));

}



function DaysToDate(DateKind, Year, Month, Day)

{

var Result;

if (IsDateValid(DateKind, Year, Month, Day))

{

Result = DaysToMonth[DateKind][Month - 1] + Day;

if ((Month > LeapMonth[DateKind]) && IsLeapYear(DateKind, Year)) Result++;

}

else

Result = 0;

return Result;

}



function DateOfDay(DateKind, Days, Year, Month, Day)

{

var LeapDay = 0;

Month.value = 0;

Day.value = 0;

for (var m = 2; m <= 13; m++) 

{

if ((m > LeapMonth[DateKind]) && (IsLeapYear(DateKind, Year))) LeapDay = 1;

if (Days <= (DaysToMonth[DateKind][m - 1] + LeapDay))

{

Month.value = m - 1;

if (Month.value <= LeapMonth[DateKind]) LeapDay = 0;

Day.value = Days - (DaysToMonth[DateKind][Month.value - 1] + LeapDay);

break;

}

}

return IsDateValid(DateKind, Year, Month.value, Day.value);

}



function GregorianToSolar(Year, Month, Day)

{

var LeapDay, Days, PrevGregorianLeap, Result;

if (IsDateValid(dkGregorian, Year.value, Month.value, Day.value))

{

PrevGregorianLeap = IsLeapYear(dkGregorian, Year.value - 1);

Days = DaysToDate(dkGregorian, Year.value, Month.value, Day.value);

Year.value -= 622;

if (IsLeapYear(dkSolar, Year.value)) LeapDay = 1

else LeapDay = 0;

if (PrevGregorianLeap && (LeapDay == 1)) Days += 287

else Days += 286;

if (Days > (365 + LeapDay))

{

Year.value++;

Days -= (365 + LeapDay);

}

Result = DateOfDay(dkSolar, Days, Year.value, Month, Day);

}

else Result = false;

return Result;

}



function SolarToGregorian(Year, Month, Day)

{

var LeapDay, Days, PrevSolarLeap, Result;

if (IsDateValid(dkSolar, Year.value, Month.value, Day.value))

{

PrevSolarLeap = IsLeapYear(dkSolar, Year.value - 1);

Days = DaysToDate(dkSolar, Year.value, Month.value, Day.value);

Year.value += 621;

if (IsLeapYear(dkGregorian, Year.value)) LeapDay = 1

else LeapDay = 0;

if (PrevSolarLeap && (LeapDay = 1)) Days += 80

else Days += 79;

if (Days > (365 + LeapDay))

{

Year.value++;

Days -= (365 + LeapDay);

}

Result = DateOfDay(dkGregorian, Days, Year.value, Month, Day);

}

else Result = false;

return Result;

}



var MonthNames = new Array();

var WeekDayNames = new Array();

var MonthDayNames = new Array();

MonthNames = ["&#1601;&#1585;&#1608;&#1585;&#1583;&#1740;&#1606;", "&#1575;&#1585;&#1583;&#1740;&#1576;&#1607;&#1588;&#1578;", "&#1582;&#1585;&#1583;&#1575;&#1583;", "&#1578;&#1740;&#1585;", "&#1605;&#1585;&#1583;&#1575;&#1583;", "&#1588;&#1607;&#1585;&#1740;&#1608;&#1585;", "&#1605;&#1607;&#1585;", "&#1570;&#1576;&#1575;&#1606;", "&#1570;&#1584;&#1585;", "&#1583;&#1740;", "&#1576;&#1607;&#1605;&#1606;", "&#1575;&#1587;&#1601;&#1606;&#1583;"];

WeekDayNames = ["&#1740;&#1705;&#1588;&#1606;&#1576;&#1607;", "&#1583;&#1608;&#1588;&#1606;&#1576;&#1607;", "&#1587;&#1607; &#1588;&#1606;&#1576;&#1607;", "&#1670;&#1607;&#1575;&#1585; &#1588;&#1606;&#1576;&#1607;", "&#1662;&#1606;&#1580; &#1588;&#1606;&#1576;&#1607;", "&#1580;&#1605;&#1593;&#1607;", "&#1588;&#1606;&#1576;&#1607;"];

MonthDayNames = ["&#1575;&#1608;&#1604;", "&#1583;&#1608;&#1605;", "&#1587;&#1608;&#1605;", "&#1670;&#1607;&#1575;&#1585;&#1605;", "&#1662;&#1606;&#1580;&#1605;", "&#1588;&#1588;&#1605;", "&#1607;&#1601;&#1578;&#1605;", "&#1607;&#1588;&#1578;&#1605;", "&#1606;&#1607;&#1605;", "&#1583;&#1607;&#1605;", "&#1740;&#1575;&#1586;&#1583;&#1607;&#1605;", "&#1583;&#1608;&#1575;&#1586;&#1583;&#1607;&#1605;", "&#1587;&#1740;&#1586;&#1583;&#1607;&#1605;", "&#1670;&#1607;&#1575;&#1585;&#1583;&#1607;&#1605;", "&#1662;&#1575;&#1606;&#1586;&#1583;&#1607;&#1605;", "&#1588;&#1575;&#1606;&#1586;&#1583;&#1607;&#1605;", "&#1607;&#1601;&#1583;&#1607;&#1605;", "&#1607;&#1580;&#1583;&#1607;&#1605;", "&#1606;&#1608;&#1586;&#1583;&#1607;&#1605;", "&#1576;&#1740;&#1587;&#1578;&#1605;", "&#1576;&#1740;&#1587;&#1578; &#1608; &#1740;&#1705;&#1605;", "&#1576;&#1740;&#1587;&#1578; &#1608; &#1583;&#1608;&#1605;", "&#1576;&#1740;&#1587;&#1578; &#1608; &#1587;&#1608;&#1605;", "&#1576;&#1740;&#1587;&#1578; &#1608; &#1670;&#1607;&#1575;&#1585;&#1605;", "&#1576;&#1740;&#1587;&#1578; &#1608; &#1662;&#1606;&#1580;&#1605;", "&#1576;&#1740;&#1587;&#1578; &#1608; &#1588;&#1588;&#1605;", "&#1576;&#1740;&#1587;&#1578; &#1608; &#1607;&#1601;&#1578;&#1605;", "&#1576;&#1740;&#1587;&#1578; &#1608; &#1607;&#1588;&#1578;&#1605;", "&#1576;&#1740;&#1587;&#1578; &#1608; &#1606;&#1607;&#1605;", "&#1587;&#1740; &#1575;&#1605;", "&#1587;&#1740; &#1608; &#1740;&#1705;&#1605;"];



function ConvertStr(DateStr, Format)

{

var Result;

var ObjDate = new Date();

var SplDate = DateStr.split("/"); 

var M = new Integer(parseInt(SplDate[0]));

var D = new Integer(parseInt(SplDate[1]));

var Y = new Integer(parseInt(SplDate[2]));

ObjDate.setFullYear(Y.value);

ObjDate.setMonth(M.value - 1);

ObjDate.setDate(D.value);

var W = ObjDate.getDay();



if (GregorianToSolar(Y, M, D))

switch (Format)

{

case 0:

Result = D.value + "/" + M.value + "/" + Y.value;

break;

case 1:

Result = D.value + "/" + M.value + "/" + (Y.value - Math.floor(Y.value / 100) * 100);

break;

case 2:

Result = (D.value + " " + MonthNames[M.value - 1] + " " + Y.value);

break;

case 3:

Result = (MonthDayNames[D.value - 1] + " " + MonthNames[M.value - 1] + " " + Y.value);

break;

case 4:

Result = (MonthDayNames[D.value - 1] + " " + MonthNames[M.value - 1] + " &#1605;&#1575;&#1607; " + Y.value); 

break;

case 5:

Result = WeekDayNames[W] + "&#1548; " + D.value + "/" + M.value + "/" + Y.value;

break;

case 6:

Result = WeekDayNames[W] + "&#1548; " + D.value + "/" + M.value + "/" + (Y.value - Math.floor(Y.value / 100) * 100);

break;

case 7:

Result = WeekDayNames[W] + "&#1548; " + (D.value + " " + MonthNames[M.value - 1] + " " + Y.value);

break;

case 8:

Result = WeekDayNames[W] + "&#1548; " + (MonthDayNames[D.value - 1] + " " + MonthNames[M.value - 1] + " " + Y.value);

break;

case 9:

Result = WeekDayNames[W] + "&#1548; " + (MonthDayNames[D.value - 1] + " " + MonthNames[M.value - 1] + " &#1605;&#1575;&#1607; " + Y.value); 

break;

default:

Result = D.value + "/" + M.value + "/" + Y.value;

break;

}

else

Result = "Error converting date.";

return Result;

} 



function ConvertDateTag(DateStr, Format)

{

//return "<div align=right dir=rtl>" + ConvertStr(DateStr, Format) + "</div>";

return ConvertStr(DateStr, Format);

}



function ConvertArchiveTag(DatesStr, Format)

{

var Dates = new Array();

Dates = DatesStr.split("-");

var Result = ConvertStr(Dates[0], Format) + " - " + ConvertStr(Dates[1], Format);

return "<div align=right dir=rtl>" + Result + "</div>";

}