//Javascript name: My Date Time Picker
//Date created: 16-Nov-2003 23:19
//Scripter: TengYong Ng
//Website: http://www.rainforestnet.com
//Copyright (c) 2003 TengYong Ng
//FileName: DateTimePicker.js
//Version: 1.8.3
//Contact: contact@rainforestnet.com
// Note: Permission given to use and modify this script in ANY kind of applications if
//       header lines are left unchanged.

//Global variables
var winCal;
var dtToday=new Date();
var Cal;
var MonthName=["January", "February", "March", "April", "May", "June","July", 
	"August", "September", "October", "November", "December"];
var WeekDayName1=["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"];
var WeekDayName2=["Monday","Tuesday","Wednesday","Thursday","Friday","Saturday","Sunday"];
var exDateTime;//Existing Date and Time
var selDate;//selected date. version 1.7


//Configurable parameters
var cnTop="200";//top coordinate of calendar window.
var cnLeft="500";//left coordinate of calendar window
var WindowTitle ="DateTime Picker";//Date Time Picker title.
var WeekChar=2;//number of character for week day. if 2 then Mo,Tu,We. if 3 then Mon,Tue,Wed.
var CellWidth=30;//Width of day cell.
var DateSeparator="/";//Date Separator, you can change it to "/" if you want.
var TimeMode=24;//default TimeMode value. 12 or 24

var ShowLongMonth=true;//Show long month name in Calendar header. example: "January".
var ShowMonthYear=true;//Show Month and Year in Calendar header.
var MonthYearColor="#2354A3";//Font Color of Month and Year in Calendar header.
var WeekHeadColor="#ACC6ED";//Background Color in Week header.
var SundayColor="#6699FF";//Background color of Sunday.
var SaturdayColor="#CCCCFF";//Background color of Saturday.
var WeekDayColor="white";//Background color of weekdays.
var FontColor="blue";//color of font in Calendar day cell.
var FontSize="16";//size of font in Calendar.
var TodayColor="#FFFF33";//Background color of today.
var SelDateColor="00FF33";//Backgrond color of selected date in textbox.
var YrSelColor="#2354A3";//color of font of Year selector.
var MthSelColor="#2354A3";//color of font of Month selector if "MonthSelector" is "arrow".
var BgColor="#DFECFF";//Background image of Calendar window.
var PrecedeZero=true;//Preceding zero [true|false]
var MondayFirstDay=true;//true:Use Monday as first day; false:Sunday as first day. [true|false]  //added in version 1.7
//end Configurable parameters
//end Global variable

function isValidDate(day,month,year){
/*
Purpose: return true if the date is valid, false otherwise

Arguments: day integer representing day of month
month integer representing month of year
year integer representing year

Variables: dteDate - date object

*/
var dteDate;

//set up a Date object based on the day, month and year arguments
//javascript months start at 0 (0-11 instead of 1-12)
dteDate=new Date(year,month,day);

/*
Javascript Dates are a little too forgiving and will change the date to a reasonable guess if it's invalid. We'll use this to our advantage by creating the date object and then comparing it to the details we put it. If the Date object is different, then it must have been an invalid date to start with...
*/

return ((day==dteDate.getDate()) && (month==dteDate.getMonth()) && (year==dteDate.getFullYear()));
}


function NewCal(pCtrl,pFormat,pShowTime,pTimeMode,pScroller,pHideSeconds)
{
	// if start date field is present
	if (document.getElementById("Event_Start_Date")) {
		
		var startDate = document.getElementById("Event_Start_Date").value;
		var dateParts = startDate.split(/[ \/:]/); 
		
		// check date is valid
		if ((dateParts[0] != '') && (dateParts[1] != '') && (dateParts[2] != '')) {
			
			var dayPart = dateParts[0];
			var monthPart = dateParts[1];
			var yearPart = dateParts[2];
			
			monthPart = monthPart - 1; // for Javascript months starting at 0
			
			if (isValidDate(dayPart,monthPart,yearPart)) {
				
				var newDate=new Date();
				
				newDate.setFullYear(yearPart,monthPart,dayPart) 
				Cal=new Calendar(newDate);
				
			} else {
				
				Cal=new Calendar(dtToday);
				
			}
			
		} else {
			
			Cal=new Calendar(dtToday);
			
		}
	
	} else {
		
		Cal=new Calendar(dtToday);
		
	}

	if ((pShowTime!=null) && (pShowTime))
	{
		Cal.ShowTime=true;
		if ((pTimeMode!=null) &&((pTimeMode=='12')||(pTimeMode=='24')))
		{
			TimeMode=pTimeMode;
		}
		if ((pHideSeconds!=null)&&(pHideSeconds))
		{
			Cal.ShowSeconds=false;
		}		
	}	
	if (pCtrl!=null)
		Cal.Ctrl=pCtrl;
	if (pFormat!=null)
		Cal.Format=pFormat.toUpperCase();
	if (pScroller!=null)
	{
		if (pScroller.toUpperCase()=="ARROW")
			Cal.Scroller="ARROW";
		else
			Cal.Scroller="DROPDOWN";
    }		
	
	exDateTime=document.getElementById(pCtrl).value;
	if (exDateTime!="")//Parse existing Date String
	{
		var Sp1;//Index of Date Separator 1
		var Sp2;//Index of Date Separator 2 
		var tSp1;//Index of Time Separator 1
		var tSp1;//Index of Time Separator 2
		var strMonth;
		var strDate;
		var strYear;
		var intMonth;
		var YearPattern;
		var strHour;
		var strMinute;
		var strSecond;
		var winHeight;
		//parse month
		Sp1=exDateTime.indexOf(DateSeparator,0)
		Sp2=exDateTime.indexOf(DateSeparator,(parseInt(Sp1)+1));
		
		var offset=parseInt(Cal.Format.toUpperCase().lastIndexOf("M"))-parseInt(Cal.Format.toUpperCase().indexOf("M"))-1;
		if ((Cal.Format.toUpperCase()=="DDMMYYYY") || (Cal.Format.toUpperCase()=="DDMMMYYYY"))
		{
			if (DateSeparator=="")
			{
				strMonth=exDateTime.substring(2,4+offset);
				strDate=exDateTime.substring(0,2);
				strYear=exDateTime.substring(4+offset,8+offset);
			}
			else
			{
				strMonth=exDateTime.substring(Sp1+1,Sp2);
				strDate=exDateTime.substring(0,Sp1);
				strYear=exDateTime.substring(Sp2+1,Sp2+5);
			}
		}
		else if ((Cal.Format.toUpperCase()=="MMDDYYYY") || (Cal.Format.toUpperCase()=="MMMDDYYYY"))
		{
			if (DateSeparator=="")
			{
				strMonth=exDateTime.substring(0,2+offset);
				strDate=exDateTime.substring(2+offset,4+offset);
				strYear=exDateTime.substring(4+offset,8+offset);
			}
			else
			{
				strMonth=exDateTime.substring(0,Sp1);
				strDate=exDateTime.substring(Sp1+1,Sp2);
				strYear=exDateTime.substring(Sp2+1,Sp2+5);
			}

		}
		else if ((Cal.Format.toUpperCase()=="YYYYMMDD") || (Cal.Format.toUpperCase()=="YYYYMMMDD"))
		{
			if (DateSeparator=="")
			{
				strMonth=exDateTime.substring(4,6+offset);
				strDate=exDateTime.substring(6+offset,8+offset);
				strYear=exDateTime.substring(0,4);
			}
			else
			{
				strMonth=exDateTime.substring(Sp1+1,Sp2);
				strDate=exDateTime.substring(Sp2+1,Sp2+3);
				strYear=exDateTime.substring(0,Sp1);
			}
		}

		if (isNaN(strMonth))
			intMonth=Cal.GetMonthIndex(strMonth);
		else
			intMonth=parseInt(strMonth,10)-1;	
		if ((parseInt(intMonth,10)>=0) && (parseInt(intMonth,10)<12))
			Cal.Month=intMonth;
		//end parse month
		//parse Date
		if ((parseInt(strDate,10)<=Cal.GetMonDays()) && (parseInt(strDate,10)>=1))
			Cal.Date=strDate;
		//end parse Date
		//parse year
		YearPattern=/^\d{4}$/;
		if (YearPattern.test(strYear))
			Cal.Year=parseInt(strYear,10);
		//end parse year
		//parse time
		if (Cal.ShowTime==true)
		{
			//parse AM or PM
			if (TimeMode==12)
			{
				strAMPM=exDateTime.substring(exDateTime.length-2,exDateTime.length)
				Cal.AMorPM=strAMPM;
			}
			tSp1=exDateTime.indexOf(":",0)
			tSp2=exDateTime.indexOf(":",(parseInt(tSp1)+1));
			if (tSp1>0)
			{
				strHour=exDateTime.substring(tSp1,(tSp1)-2);
				Cal.SetHour(strHour);
				strMinute=exDateTime.substring(tSp1+1,tSp1+3);
				Cal.SetMinute(strMinute);
				strSecond=exDateTime.substring(tSp2+1,tSp2+3);
				Cal.SetSecond(strSecond);
			}
			//window.status=strHour+":"+strMinute+":"+strSecond;
		}	
	}
	selDate=new Date(Cal.Year,Cal.Month,Cal.Date);//version 1.7
	winCal=window.open("","DateTimePicker","toolbar=0,status=0,menubar=0,fullscreen=no,width=230,height=245,resizable=0,top=10,left=10");
	RenderCal();
	winCal.focus();
}

function RenderCal()
{
	var vCalHeader;
	var vCalData;
	var vCalTime;
	var i;
	var j;
	var SelectStr;
	var vDayCount=0;
	var vFirstDay;

	winCal.document.open();
	winCal.document.writeln("<html><head><title>"+WindowTitle+"</title>");
	winCal.document.writeln("<style type=\"text/css\"> body,td,select,input	{ font-family:tahoma; font-size:11px; color:#333; } </style>");
	winCal.document.writeln("<script>var winMain=window.opener;</script>");//winMain is window that open calendar window.
	winCal.document.writeln("</head><body bgcolor='"+BgColor+"' link="+FontColor+" vlink="+FontColor+"><form name='Calendar'>");

	vCalHeader="<table border=0 cellpadding=1 cellspacing=1 width=200 valign=\"top\"><tr>\n<td colspan='7'><strong>Calendar</strong></td></tr><tr><td>&nbsp;</td></tr>\n";
	
	//Table for Month & Year Selector
	vCalHeader+="<tr>\n<td colspan='7'><table border=0 width=200 cellpadding=0 cellspacing=0>";
	//Time picker
	if (Cal.ShowTime)
	{
		var showHour;
		showHour=Cal.getShowHour();	
		vCalTime="<tr>\n<td colspan='7'>Enter Time&nbsp;&nbsp;&nbsp;&nbsp; ";
		vCalTime+="<input type='text' name='hour' maxlength=2 style=\"WIDTH: 22px\" value="+showHour+" onchange=\"javascript:winMain.Cal.SetHour(this.value)\">";
		vCalTime+=" : ";
		vCalTime+="<input type='text' name='minute' maxlength=2 style=\"WIDTH: 22px\" value="+Cal.Minutes+" onchange=\"javascript:winMain.Cal.SetMinute(this.value)\">";
		if (Cal.ShowSeconds)
		{
			vCalTime+=" : ";
			vCalTime+="<input type='text' name='second' maxlength=2  style=\"WIDTH: 22px\" value="+Cal.Seconds+" onchange=\"javascript:winMain.Cal.SetSecond(this.value)\">";
		}
		if (TimeMode==12)
		{
			var SelectAm =(Cal.AMorPM=="AM")? "Selected":"";
			var SelectPm =(Cal.AMorPM=="PM")? "Selected":"";

			vCalTime+="<select name=\"ampm\" onchange=\"javascript:winMain.Cal.SetAmPm(this.options[this.selectedIndex].value);\">";
			vCalTime+="<option "+SelectAm+" value=\"AM\">AM</option>";
			vCalTime+="<option "+SelectPm+" value=\"PM\">PM<option>";
			vCalTime+="</select>";
		}	
		vCalTime+=" (24 hr)\n</td>\n</tr><tr><td>&nbsp;</td></tr>";
		
		vCalHeader+=vCalTime;
	}	
	//end time picker

	//******************Month selector in dropdown list************************
	vCalHeader+="<tr>\n";
	if (Cal.Scroller=="DROPDOWN")
	{
		vCalHeader+="<td align='left'>Select Month <select name=\"MonthSelector\" onChange=\"javascript:winMain.Cal.SwitchMth(this.selectedIndex);winMain.RenderCal();\">\n";
		for (i=0;i<12;i++)
		{
			if (i==Cal.Month)
				SelectStr="Selected";
			else
				SelectStr="";	
			vCalHeader+="<option "+SelectStr+" value >"+MonthName[i]+"\n";
		}
		vCalHeader+="</select></td>";
		//Year selector
		vCalHeader+="\n<td align='right'><a href=\"javascript:winMain.Cal.DecYear();winMain.RenderCal()\"><b><font color=\""+YrSelColor+"\"><</font></b></a><font face=\"Tahoma\" color=\""+YrSelColor+"\" ><b> "+Cal.Year+" </b></font><a href=\"javascript:winMain.Cal.IncYear();winMain.RenderCal()\"><b><font color=\""+YrSelColor+"\">></font></b></a></td></tr></table></td>\n";	
		vCalHeader+="</tr><tr><td>&nbsp;</td></tr>";
	}
	//******************End Month selector in dropdown list*********************
	//******************Month selector in arrow*********************************
	else if (Cal.Scroller=="ARROW")
	{
		vCalHeader+="<td align='center'><a href='javascript:winMain.Cal.DecYear();winMain.RenderCal();'>- </a></td>";//Year scroller (decrease 1 year)
		vCalHeader+="<td align='center'><a href='javascript:winMain.Cal.DecMonth();winMain.RenderCal();'>&lt;</a></td>";//Month scroller (decrease 1 month)
		vCalHeader+="<td align='center' width='70%'><font face='Tahoma'  color='"+YrSelColor+"'><b>"+Cal.GetMonthName(ShowLongMonth)+" "+Cal.Year+"</b></font></td>"//Month and Year
		vCalHeader+="<td align='center'><a href='javascript:winMain.Cal.IncMonth();winMain.RenderCal();'>&gt;</a></td>";//Month scroller (increase 1 month)
		vCalHeader+="<td align='center'><a href='javascript:winMain.Cal.IncYear();winMain.RenderCal();'>+</a></td>";//Year scroller (increase 1 year)
		vCalHeader+="</tr></table></td></tr>"
	}
    //******************End Month selector in arrow******************************
	//Calendar header shows Month and Year
	if ((ShowMonthYear)&&(Cal.Scroller=="DROPDOWN"))
		vCalHeader+="<tr><td colspan='7'><font face='Tahoma'  align='center' color='"+MonthYearColor+"'><b>"+Cal.GetMonthName(ShowLongMonth)+" "+Cal.Year+"</b></font></td></tr>\n";
	//Week day header
	vCalHeader+="<tr bgcolor="+WeekHeadColor+">";
	var WeekDayName=new Array();//Added version 1.7
	if (MondayFirstDay==true)
		WeekDayName=WeekDayName2;
	else
		WeekDayName=WeekDayName1;
	for (i=0;i<7;i++)
	{
		vCalHeader+="<td align='center'><font face='Tahoma' >"+WeekDayName[i].substr(0,WeekChar)+"</font></td>";
	}
	
	vCalHeader+="</tr>";	
	winCal.document.write(vCalHeader);
	//Calendar detail
	CalDate=new Date(Cal.Year,Cal.Month);
	CalDate.setDate(1);
	vFirstDay=CalDate.getDay();
	//Added version 1.7
	if (MondayFirstDay==true)
	{
		vFirstDay-=1;
		if (vFirstDay==-1)
			vFirstDay=6;
	}
	//Added version 1.7
	vCalData="<tr>";
	for (i=0;i<vFirstDay;i++)
	{
		vCalData=vCalData+GenCell();
		vDayCount=vDayCount+1;
	}
	//Added version 1.7
	for (j=1;j<=Cal.GetMonDays();j++)
	{
		var strCell;
		vDayCount=vDayCount+1;
		if ((j==dtToday.getDate())&&(Cal.Month==dtToday.getMonth())&&(Cal.Year==dtToday.getFullYear()))
			strCell=GenCell(j,true,TodayColor);//Highlight today's date
		else
		{
			if ((j==selDate.getDate())&&(Cal.Month==selDate.getMonth())&&(Cal.Year==selDate.getFullYear()))//modified version 1.7
			{
				strCell=GenCell(j,true,SelDateColor);
			}
			else
			{	
				if (MondayFirstDay==true)
				{
					if (vDayCount%7==0)
						strCell=GenCell(j,false,SundayColor);
					else if ((vDayCount+1)%7==0)
						strCell=GenCell(j,false,SaturdayColor);
					else
						strCell=GenCell(j,null,WeekDayColor);					
				} 
				else
				{
					if (vDayCount%7==0)
						strCell=GenCell(j,false,SaturdayColor);
					else if ((vDayCount+6)%7==0)
						strCell=GenCell(j,false,SundayColor);
					else
						strCell=GenCell(j,null,WeekDayColor);
				}
			}		
		}						
		vCalData=vCalData+strCell;

		if((vDayCount%7==0)&&(j<Cal.GetMonDays()))
		{
			vCalData=vCalData+"</tr>\n<tr>";
		}
	}
	winCal.document.writeln(vCalData);	
	winCal.document.writeln("\n</table>");
	winCal.document.writeln("</form></body></html>");
	winCal.document.close();
}

function GenCell(pValue,pHighLight,pColor)//Generate table cell with value
{
	var PValue;
	var PCellStr;
	var vColor;
	var vHLstr1;//HighLight string
	var vHlstr2;
	var vTimeStr;
	
	if (pValue==null)
		PValue="";
	else
		PValue=pValue;
	
	if (pColor!=null)
		vColor="bgcolor=\""+pColor+"\"";
	else
		vColor="";	
	if ((pHighLight!=null)&&(pHighLight))
		{vHLstr1="color='red'><b>";vHLstr2="</b>";}
	else
		{vHLstr1=">";vHLstr2="";}	
	
	if (Cal.ShowTime)
	{
		vTimeStr="winMain.document.getElementById('"+Cal.Ctrl+"').value+=' '+"+"winMain.Cal.getShowHour()"+"+':'+"+"winMain.Cal.Minutes";
		if (Cal.ShowSeconds)
			vTimeStr+="+':'+"+"winMain.Cal.Seconds";
		if (TimeMode==12)
			vTimeStr+="+' '+winMain.Cal.AMorPM";
	}	
	else
		vTimeStr="";		
	PCellStr="<td "+vColor+" width="+CellWidth+" align='center'><font face='Tahoma' "+vHLstr1+"<a href=\"javascript:winMain.document.getElementById('"+Cal.Ctrl+"').value='"+Cal.FormatDate(PValue)+"';"+vTimeStr+";window.close();\">"+PValue+"</a>"+vHLstr2+"</font></td>";
	return PCellStr;
}

function Calendar(pDate,pCtrl)
{
	//Properties
	this.Date=pDate.getDate();//selected date
	this.Month=pDate.getMonth();//selected month number
	this.Year=pDate.getFullYear();//selected year in 4 digits
	this.Hours=pDate.getHours();	
	
	if (pDate.getMinutes()<10)
		this.Minutes="0"+pDate.getMinutes();
	else
		this.Minutes=pDate.getMinutes();
	
	if (pDate.getSeconds()<10)
		this.Seconds="0"+pDate.getSeconds();
	else		
		this.Seconds=pDate.getSeconds();
		
	this.MyWindow=winCal;
	this.Ctrl=pCtrl;
	this.Format="ddMMyyyy";
	this.Separator=DateSeparator;
	this.ShowTime=false;
	this.Scroller="DROPDOWN";
	if (pDate.getHours()<12)
		this.AMorPM="AM";
	else
		this.AMorPM="PM";
	this.ShowSeconds=true;		
}

function GetMonthIndex(shortMonthName)
{
	for (i=0;i<12;i++)
	{
		if (MonthName[i].substring(0,3).toUpperCase()==shortMonthName.toUpperCase())
		{	return i;}
	}
}
Calendar.prototype.GetMonthIndex=GetMonthIndex;

function IncYear()
{	Cal.Year++;}
Calendar.prototype.IncYear=IncYear;

function DecYear()
{	Cal.Year--;}
Calendar.prototype.DecYear=DecYear;

function IncMonth()
{	
	Cal.Month++;
	if (Cal.Month>=12)
	{
		Cal.Month=0;
		Cal.IncYear();
	}
}
Calendar.prototype.IncMonth=IncMonth;

function DecMonth()
{	
	Cal.Month--;
	if (Cal.Month<0)
	{
		Cal.Month=11;
		Cal.DecYear();
	}
}
Calendar.prototype.DecMonth=DecMonth;
	
function SwitchMth(intMth)
{	Cal.Month=intMth;}
Calendar.prototype.SwitchMth=SwitchMth;

function SetHour(intHour)
{	
	var MaxHour;
	var MinHour;
	if (TimeMode==24)
	{	MaxHour=23;MinHour=0}
	else if (TimeMode==12)
	{	MaxHour=12;MinHour=1}
	else
		alert("TimeMode can only be 12 or 24");		
	var HourExp=new RegExp("^\\d\\d");
	var SingleDigit=new RegExp("\\d");
	//alert(SingleDigit.test(intHour));
	if (SingleDigit.test(intHour))
	{
		intHour="0"+intHour+"";
		//alert(intHour);	
	}	
	if (HourExp.test(intHour) && (parseInt(intHour,10)<=MaxHour) && (parseInt(intHour,10)>=MinHour))
	{	
		if ((TimeMode==12) && (Cal.AMorPM=="PM"))
		{
			if (parseInt(intHour,10)==12)
				Cal.Hours=12;
			else	
				Cal.Hours=parseInt(intHour,10)+12;
		}	
		else if ((TimeMode==12) && (Cal.AMorPM=="AM"))
		{
			if (intHour==12)
				intHour-=12;
			Cal.Hours=parseInt(intHour,10);
		}
		else if (TimeMode==24)
			Cal.Hours=parseInt(intHour,10);	
	}
}
Calendar.prototype.SetHour=SetHour;

function SetMinute(intMin)
{
	var MinExp=new RegExp("^\\d\\d$");
	if (MinExp.test(intMin) && (intMin<60))
		Cal.Minutes=intMin;
}
Calendar.prototype.SetMinute=SetMinute;

function SetSecond(intSec)
{	
	var SecExp=new RegExp("^\\d\\d$");
	if (SecExp.test(intSec) && (intSec<60))
		Cal.Seconds=intSec;
}
Calendar.prototype.SetSecond=SetSecond;

function SetAmPm(pvalue)
{
	this.AMorPM=pvalue;
	if (pvalue=="PM")
	{
		this.Hours=(parseInt(this.Hours,10))+12;
		if (this.Hours==24)
			this.Hours=12;
	}	
	else if (pvalue=="AM")
		this.Hours-=12;	
}
Calendar.prototype.SetAmPm=SetAmPm;

function getShowHour()
{
	var finalHour;
    if (TimeMode==12)
    {
    	if (parseInt(this.Hours,10)==0)
		{
			this.AMorPM="AM";
			finalHour=parseInt(this.Hours,10)+12;	
		}
		else if (parseInt(this.Hours,10)==12)
		{
			this.AMorPM="PM";
			finalHour=12;
		}		
		else if (this.Hours>12)
		{
			this.AMorPM="PM";
			if ((this.Hours-12)<10)
				finalHour="0"+((parseInt(this.Hours,10))-12);
			else
				finalHour=parseInt(this.Hours,10)-12;	
		}
		else
		{
			this.AMorPM="AM";
			if (this.Hours<10)
				finalHour="0"+parseInt(this.Hours,10);
			else
				finalHour=this.Hours;	
		}
	}
	else if (TimeMode==24)
	{
		if (this.Hours<10)
			finalHour="0"+parseInt(this.Hours,10);
		else	
			finalHour=this.Hours;
	}	
	return finalHour;	
}				
Calendar.prototype.getShowHour=getShowHour;		

function GetMonthName(IsLong)
{
	var Month=MonthName[this.Month];
	if (IsLong)
		return Month;
	else
		return Month.substr(0,3);
}
Calendar.prototype.GetMonthName=GetMonthName;

function GetMonDays()//Get number of days in a month
{
	var DaysInMonth=[31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
	if (this.IsLeapYear())
	{
		DaysInMonth[1]=29;
	}	
	return DaysInMonth[this.Month];	
}
Calendar.prototype.GetMonDays=GetMonDays;

function IsLeapYear()
{
	if ((this.Year%4)==0)
	{
		if ((this.Year%100==0) && (this.Year%400)!=0)
		{
			return false;
		}
		else
		{
			return true;
		}
	}
	else
	{
		return false;
	}
}
Calendar.prototype.IsLeapYear=IsLeapYear;

function FormatDate(pDate)
{
	var MonthDigit=this.Month+1;
	if (PrecedeZero==true)
	{
		if (pDate<10)
			pDate="0"+pDate;
		if (MonthDigit<10)
			MonthDigit="0"+MonthDigit;
	}

	if (this.Format.toUpperCase()=="DDMMYYYY")
		return (pDate+DateSeparator+MonthDigit+DateSeparator+this.Year);
	else if (this.Format.toUpperCase()=="DDMMMYYYY")
		return (pDate+DateSeparator+this.GetMonthName(false)+DateSeparator+this.Year);
	else if (this.Format.toUpperCase()=="MMDDYYYY")
		return (MonthDigit+DateSeparator+pDate+DateSeparator+this.Year);
	else if (this.Format.toUpperCase()=="MMMDDYYYY")
		return (this.GetMonthName(false)+DateSeparator+pDate+DateSeparator+this.Year);
	else if (this.Format.toUpperCase()=="YYYYMMDD")
		return (this.Year+DateSeparator+MonthDigit+DateSeparator+pDate);
	else if (this.Format.toUpperCase()=="YYYYMMMDD")
		return (this.Year+DateSeparator+this.GetMonthName(false)+DateSeparator+pDate);	
	else					
		return (pDate+DateSeparator+(this.Month+1)+DateSeparator+this.Year);
}
Calendar.prototype.FormatDate=FormatDate;