// JavaScript Document

function MainFunc(SelectedDate,ProcessDays)
{
	var Milestone = new Date();
	var WeekNo = 0;
	var RemainDays =0;
	var BeginDate;
	var FinishDate;
	
		SelectDate = RoundtoWeekdays(SelectedDate);
		Milestone = RoundtoWeekdays(SelectedDate);		
		BeginDate = SelectedDate.toString("dd/M/yyyy");
		
	//document.write("Selected Date: "+SelectedDate.toString("dd/M/yyyy")+"<br/>");	
	
	if(ProcessDays >= 7)
	{
		RemainDays = GetRemainDays(ProcessDays);	
		WeekNo = GetWeek(ProcessDays);
	}
	else {RemainDays = GetRemainDays(ProcessDays);}
	
	var TotalDay = TotalDays(Milestone,WeekNo,RemainDays);
		
	var count = HolidaysCheck(Date.parseExact(BeginDate, "dd/M/yyyy"),TotalDay);		
	
	//document.write("Selected Date: "+BeginDate+"~~~~~~~~~~~"+"Total Day: "+TotalDay.toString("dd/M/yyyy")+"Count: "+ count + "<br/>");		
	//document.write("Total Day: "+TotalDay.toString("dd/M/yyyy") +"***"+count+"<br/>");
	
	TotalDay.add(count).days();
	TotalDay = RoundtoWeekdays(TotalDay); 	
	//document.write("Milestone: "+TotalDay.toString("dd/M/yyyy")+"<br/>");	
	
	return  TotalDay;
}

function RoundtoWeekdays(date)
{		 
	if(date.is().saturday()){return date.add(-1).days();}	
	else if (date.is().sunday()){return date.add(-2).days();}
	
	//Hand code to skip 2010-2011 holidays-----Start
	else if (date.toString("dd/M/yyyy")=="01/1/2010"){return date.add(-1).days();}
	else if (date.toString("dd/M/yyyy")=="04/1/2010"){return date.add(-3).days();}
	else if (date.toString("dd/M/yyyy")=="06/2/2010"){return date.add(-1).days();}
	else if (date.toString("dd/M/yyyy")=="05/4/2010"){return date.add(-1).days();}	
	else if (date.toString("dd/M/yyyy")=="02/4/2010"){return date.add(-1).days();}	
	else if (date.toString("dd/M/yyyy")=="07/6/2010"){return date.add(-1).days();}
	else if (date.toString("dd/M/yyyy")=="25/10/2010"){return date.add(-1).days();}
	//else if (date.toString("dd/M/yyyy")=="25/12/2010"){return date.add(-1).days();}
	else if (date.toString("dd/M/yyyy")=="28/12/2010"){return date.add(-1).days();}
	else if (date.toString("dd/M/yyyy")=="27/12/2010"){return date.add(-1).days();}
	
	else if (date.toString("dd/M/yyyy")=="03/1/2011"){return date.add(-1).days();}
	else if (date.toString("dd/M/yyyy")=="04/1/2011"){return date.add(-2).days();}
	else if (date.toString("dd/M/yyyy")=="22/4/2011"){return date.add(-1).days();}
	else if (date.toString("dd/M/yyyy")=="25/4/2011"){return date.add(-3).days();}
	else if (date.toString("dd/M/yyyy")=="06/6/2011"){return date.add(-1).days();}	
	else if (date.toString("dd/M/yyyy")=="24/10/2011"){return date.add(-1).days();}
	//else if (date.toString("dd/M/yyyy")=="25/12/2011"){return date.add(-1).days();}
	else if (date.toString("dd/M/yyyy")=="26/12/2011"){return date.add(-3).days();}
	else if (date.toString("dd/M/yyyy")=="27/12/2011"){return date.add(-1).days();}
	//else if (date.toString("dd/M/yyyy")=="28/12/2011"){return date.add(-4).days();}
	//Hand code to skip 2010-2012 holidays-----End
	
	else {return date;}			
}
		
function GetWeek(Days)
{	
	var WeekNo = Math.floor(Days / 5)
	return WeekNo;
}

function GetRemainDays(Days)
{
	var DayNo = Days % 5
	return DayNo;
}

function TotalDays(SelectedDate, WeekNo, Days){
	
	var DayNo = SelectedDate.getDay();	
	var EndDate;
	var SDate = SelectedDate;
	
	EndDate = SDate.add(-7*WeekNo).days();
	
	if(DayNo<Days){EndDate.add( -Days -2 ).days()}
	
	else {EndDate.add( -Days).days()}
	
	EndDate = RoundtoWeekdays(EndDate);
	return EndDate;	
}

//********** NEW FUNCTION ***********************
function HolidaysCheck(SDate,EDate)
{	
	var daycount = 0;
	
	//if(SDate.compareTo(EDate)==1){document.write(SDate.toString("dd/M/yyyy") + "~~~~~~~" + EDate.toString("dd/M/yyyy")+"<BR/>");}
	
	while(SDate.compareTo(EDate)==1)
	{
		if (SDate.toString("dd/M/yyyy")=="01/1/2010"){daycount--;}
		else if (SDate.toString("dd/M/yyyy")=="04/1/2010"){daycount=daycount-3;}
		else if (SDate.toString("dd/M/yyyy")=="06/2/2010"){daycount--;}
		//else if (SDate.toString("dd/M/yyyy")=="02/4/2010"){daycount--;}
		else if (SDate.toString("dd/M/yyyy")=="05/4/2010"){daycount=daycount-3;}
		else if (SDate.toString("dd/M/yyyy")=="07/6/2010"){daycount--;}
		else if (SDate.toString("dd/M/yyyy")=="25/10/2010"){daycount--;}
		//else if (SDate.toString("dd/M/yyyy")=="25/12/2010"){daycount--;}
		else if (SDate.toString("dd/M/yyyy")=="26/12/2010"){daycount=daycount-1;}
		else if (SDate.toString("dd/M/yyyy")=="27/12/2010"){daycount=daycount-1;}
		
		else if (SDate.toString("dd/M/yyyy")=="03/1/2011"){daycount--;}
		else if (SDate.toString("dd/M/yyyy")=="04/1/2011"){daycount=daycount-2;}
		else if (SDate.toString("dd/M/yyyy")=="22/4/2011"){daycount--;}
		else if (SDate.toString("dd/M/yyyy")=="25/4/2011"){daycount==daycount-3;}
		else if (SDate.toString("dd/M/yyyy")=="06/6/2011"){daycount--;}
		else if (SDate.toString("dd/M/yyyy")=="24/10/2011"){daycount--;}
		//else if (SDate.toString("dd/M/yyyy")=="25/12/2011"){daycount--;}
		else if (SDate.toString("dd/M/yyyy")=="26/12/2011"){daycount=daycount-1;}
		else if (SDate.toString("dd/M/yyyy")=="27/12/2011"){daycount=daycount-1;}
		//else if (SDate.toString("dd/M/yyyy")=="28/12/2011"){daycount=daycount-1;}
		
		SDate.add(-1).days();
	}
	//document.write("****************"+daycount+"<br/>");
	 return daycount;
}
//********** NEW FUNCTION END***********************