//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: 1.8.2
//Contact: contact@rainforestnet.com
// Note: Permission given to use and modify this script in ANY kind of applications if
//       header lines are left unchanged.
//
//  upgraded from version .8 in response to trouble ticket 8196 M. Bernaldo
//
//

//Global variables
var winCal;
var dtToday=new Date();
var Cal;
var YearName = [1960,1961,1962,1963,1964,1965,1966,1967,1968,1969,1970,1971,1972,1973,1974,1975,1976,1977,1978,1979,1980,1981,1982,1983,1984,1985,1986,1987,1988,1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015]
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=20;//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="#cc0033";//Font Color of Month and Year in Calendar header.
var WeekHeadColor="#0099CC";//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 TodayColor="#FFFF33";//Background color of today.
var SelDateColor="FFFF99";//Backgrond color of selected date in textbox.
var YrSelColor="#cc0033";//color of font of Year selector.
var MthSelColor="#cc0033";//color of font of Month selector if "MonthSelector" is "arrow".
var ThemeBg="";//Background image of Calendar window.
var PrecedeZero=true;//Preceding zero [true|false]
var MondayFirstDay=false;//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 NewCal(pCtrl,pFormat,pShowTime,pTimeMode,pScroller,pHideSeconds)
{
 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,width=200,height=200,resizable=0,top="+cnTop+",left="+cnLeft);
 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("<link href='/awscsextweb/resources/css/base/NewCalenderControl.css' type='text/css' rel='stylesheet'>");
 winCal.document.writeln("<script>var winMain=window.opener;</script>");//winMain is window that open calendar window.
 winCal.document.writeln("</head><body background='"+ThemeBg+"' link="+FontColor+" vlink="+FontColor+"><form name='Calendar'>");

 vCalHeader="<table class=\"repBrdr\" cellspacing=0 cellpadding=0 width=\"100%\" style=\"position:relative;color:black;\" align=\"center\" valign=\"top\">\n";
 //Table for Month & Year Selector
 vCalHeader+="<tr>\n<td colspan='7'><table border=0 width='100%' cellpadding=0 cellspacing=0><tr class='reportrow'>\n";

 //******************Month selector in dropdown list************************
 if (Cal.Scroller=="DROPDOWN")
 {
  vCalHeader+="<td align='left'><select class='selectListNormal' 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>&nbsp;&nbsp;</td>";
  //Year selector
        vCalHeader+="<td align='center' class='repBrdr'><select class='selectListNormal' name=\"YearSelector\" onChange=\"javascript:winMain.Cal.SwitchYr(this);winMain.RenderCal();\">\n";
  for (i=0;i<YearName.length;i++)
  {
   if (YearName[i]==Cal.Year)
    SelectStr="Selected";
   else
    SelectStr=""; 
   vCalHeader+="<option "+SelectStr+" value >"+YearName[i]+"\n";
  }
  vCalHeader+="</select></td></tr></table></td>\n";
  vCalHeader+="</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='Verdana' size='2' 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 class='reportrow' ><td class='formHead' colspan='7'>"+Cal.GetMonthName(ShowLongMonth)+" " +Cal.Year+"</td></tr>\n";
 //Week day header
                
 vCalHeader+="<tr valign='middle' class='reportcolumnhdr'>";
 var WeekDayName=new Array();//Added version 1.7
 if (MondayFirstDay==true)
  WeekDayName=WeekDayName2;
 else
  WeekDayName=WeekDayName1;
 for (i=0;i<7;i++)
 {
  vCalHeader+="<td class='repBrdr' align='center'>"+WeekDayName[i].substr(0,WeekChar)+"</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 class='reportrow'>";
 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 ( (selDate.getDate()==dtToday.getDate()) && ((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 class='reportrow'>";
  }
 }
 winCal.document.writeln(vCalData); 
 //Time picker
 if (Cal.ShowTime)
 {
  var showHour;
  showHour=Cal.getShowHour(); 
  vCalTime="<tr>\n<td colspan='7' align='center'>";
  vCalTime+="<input type='text' name='hour' maxlength=2 size=1 style=\"WIDTH: 22px\" value="+showHour+" onchange=\"javascript:winMain.Cal.SetHour(this.value)\">";
  vCalTime+=" : ";
  vCalTime+="<input type='text' name='minute' maxlength=2 size=1 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 size=1 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+="\n</td>\n</tr>";
  winCal.document.write(vCalTime);
 } 
 //end time picker
 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 vHLstr1a;
 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))
  {vHLstr1a=" class='repBrdrHL' ";vHLstr1="<font color='red'><b>";vHLstr2="</b></font>";}
 else
  {vHLstr1a=" class='repBrdr' ";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 width="+CellWidth+" align='center'" + vHLstr1a + ">"+vHLstr1+"<a href=\"javascript:winMain.document.getElementById('"+Cal.Ctrl+"').value='"+Cal.FormatDate(PValue)+"';"+vTimeStr+";window.close();if (winMain.document.getElementById('"+Cal.Ctrl+"').onchange) winMain.document.getElementById('"+Cal.Ctrl+"').onchange();\">"+PValue+"</a>"+vHLstr2+"</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 SwitchYr(obj)
{   
    var yrsel = YearName[obj.selectedIndex];
    Cal.Year = parseInt(yrsel,10);}
Calendar.prototype.SwitchYr=SwitchYr;

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; 


/**
 * DHTML date validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */
// Declaring valid date character, minimum year and maximum year
var dtCh= "/";
var minYear=1900;
var maxYear=2999;

function isInteger(s){
 var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
 var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
 // February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
 for (var i = 1; i <= n; i++) {
  this[i] = 31
  if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
  if (i==2) {this[i] = 29}
   } 
   return this
}

function isDate(dtStr){
 var daysInMonth = DaysArray(12)
 var pos1=dtStr.indexOf(dtCh)
 var pos2=dtStr.indexOf(dtCh,pos1+1)
 var strMonth=dtStr.substring(0,pos1)
 var strDay=dtStr.substring(pos1+1,pos2)
 var strYear=dtStr.substring(pos2+1)
 strYr=strYear
 if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
 if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
 for (var i = 1; i <= 3; i++) {
  if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
 }
 month=parseInt(strMonth)
 day=parseInt(strDay)
 year=parseInt(strYr)
 if (pos1==-1 || pos2==-1){
  alert("The date format should be : mm/dd/yyyy")
  return false
 }
 if (strMonth.length<1 || month<1 || month>12){
  alert("Please enter a valid month")
  return false
 }
 if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
  alert("Please enter a valid day")
  return false
 }
 if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
  alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
  return false
 }
 if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
  alert("Please enter a valid date")
  return false
 }
 return true
}