//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: 1.9
//Contact: contact@rainforestnet.com
// Note: Permission given to use and modify this script in ANY kind of applications if
//       header lines are left unchanged.
//Date changed: 24-Dec-2007 by Burgsoft (Holland)
//Changed: Year picker as drop down. Code optimised. Tables filled with blank fields as needed.
//Known (non fatal) issue: javascript remains running after month or year select

//Global variables
var winCal;
var dtToday=new Date();
var Cal;
/*
// English
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"];
*/
// Spanish
var MonthName=["Enero","Febrero","Marzo","Abril","Mayo","Junio","Julio","Agosto","Septiembre","Octubre","Noviembre","Diciembre"];
var WeekDayName1=["Domingo","Lunes","Martes","Miércoles","Jueves","Viernes","Sábado"];	
var WeekDayName2=["Lunes","Martes","Miércoles","Jueves","Viernes","Sábado","Domingo"];	

var exDateTime;//Existing Date and Time
var selDate;//selected date. version 1.7


//Configurable parameters
var cnTop="0";//top coordinate of calendar window.
var cnLeft="0";//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 SundayColor="sunday";//Background color of Sunday.
var SaturdayColor="saturday";//Background color of Saturday.
var TodayColor="today";//Background color of today.
var SelDateColor="picked";//Backgrond color of selected date in textbox.
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,pHideSeconds,posTop,posLeft){
 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();
 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;
   }
   var tSp1=exDateTime.indexOf(":",0)
   var 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=180,height=200,resizable=0,top="+posTop+",left="+posLeft);
 RenderCal();
 winCal.focus();
}

function RenderCal(){
 var vCalHeader;
 var vCalData;
 var vCalTime;
 var i;
 var j;
 var SelectStr;
 var vDayCount=0;
 var vFirstDay;
 var winCalData ='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">\n';
 winCalData+='<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">\n<head>\n<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />\n<title>'+WindowTitle+'</title>\n';
 winCalData+='<meta http-equiv="Content-Language" content="en" />\n';
 winCalData+='<link rel="stylesheet" type="text/css" href="./ns_primary/css/datepicker.css" />\n';
 winCalData+='<script type="text/javascript">\n';
 winCalData+='var winMain=window.opener;\nfunction callback(id, datum) {\n';
 winCalData+=" var CalId = winMain.document.getElementById(id); CalId.value=datum;\n";
 winCalData+=" if (winMain.Cal.ShowTime) {\n";
 winCalData+="  CalId.value+=' '+winMain.Cal.getShowHour()+':'+winMain.Cal.Minutes;\n";
 //winMain is window that opened calendar window.
 winCalData+="  if (winMain.Cal.ShowSeconds) CalId.value+=':'+winMain.Cal.Seconds;\n";
 winCalData+="  if (winMain.TimeMode==12) CalId.value+=' '+winMain.Cal.getShowAMorPM();\n";
 winCalData+=' }\n window.close();\n}\n';
 winCalData+='</script>\n';
 winCalData+='</head>\n<body>\n<form name="Calendar" action="">\n<div>\n';
 winCal.document.open();
 winCal.document.writeln(winCalData);
 vCalHeader='<table class="maintable" summary="">\n';
 //Table for Month & Year Selector
 vCalHeader+='<tr>\n<td colspan="7">\n<table class="tablehead" summary="">\n<tr>\n';

 //******************Month and Year selector in dropdown list************************
 vCalHeader+='<td>\n<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="selected"';
  else SelectStr="";
  vCalHeader+='<option value="'+i+'"'+SelectStr+'>'+MonthName[i]+'</option>\n';
 }
 vCalHeader+="</select>\n</td>\n";
 //Year selector
 vCalHeader+='<td>\n<select name="YearSelector" onchange="javascript:winMain.Cal.SwitchYear(this.value);winMain.RenderCal();">\n';
 for (i = (dtToday.getFullYear()-5); i < (dtToday.getFullYear()+6);i++){
  if (i==Cal.Year) SelectStr=' selected="selected"';
  else SelectStr="";
  vCalHeader+='<option value="'+i+'"'+SelectStr+'>'+i+'</option>\n';
 }
 vCalHeader+="</select>\n</td></tr></table>\n</td></tr>\n"
 //******************End Month and Year selector in dropdown list*********************

 //Calendar header shows Month and Year
 if ((ShowMonthYear)&&(Cal.Scroller=="DROPDOWN")) vCalHeader+='<tr><td class="monyear" colspan="7">'+Cal.GetMonthName(ShowLongMonth)+' '+Cal.Year+'</td></tr>\n';
 //Week day header
 vCalHeader+='<tr class="daynames">\n';
 var WeekDayName=new Array();//Added version 1.7
 if (MondayFirstDay==true) WeekDayName=WeekDayName2;
 else WeekDayName=WeekDayName1;
 for (i=0;i<7;i++) vCalHeader+="<td>"+WeekDayName[i].substr(0,WeekChar)+"</td>\n";
 vCalHeader+="</tr>\n";
 winCal.document.write(vCalHeader);
 //Calendar detail
 var 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;
  if((vDayCount%7==0)&&(j > 1)) vCalData=vCalData+"<tr>\n";
  vDayCount=vDayCount+1;
  if ((j==dtToday.getDate())&&(Cal.Month==dtToday.getMonth())&&(Cal.Year==dtToday.getFullYear())) strCell=GenCell(j,TodayColor);
  else{
   if ((j==selDate.getDate())&&(Cal.Month==selDate.getMonth())&&(Cal.Year==selDate.getFullYear())) strCell=GenCell(j,SelDateColor);
   else{
    if (MondayFirstDay==true){
     if (vDayCount%7==0) strCell=GenCell(j,SundayColor);
     else if ((vDayCount+1)%7==0) strCell=GenCell(j,SaturdayColor);
     else strCell=GenCell(j);
    }
    else{
     if (vDayCount%7==0) strCell=GenCell(j,SaturdayColor);
     else if ((vDayCount+6)%7==0) strCell=GenCell(j,SundayColor);
     else strCell=GenCell(j);
    }
   }
  }
  vCalData=vCalData+strCell;
  if((vDayCount%7==0)&&(j<Cal.GetMonDays())) vCalData=vCalData+"</tr>\n";
 }
 // finish the table proper
 if(!(vDayCount%7) == 0){
  while(!(vDayCount % 7) == 0){
   vCalData=vCalData+GenCell();
   vDayCount=vDayCount+1;
  }
  vCalData=vCalData+"</tr>";
 }
 winCal.document.writeln(vCalData);
 //Time picker
 if (Cal.ShowTime){
  var showHour;
  showHour=Cal.getShowHour();
  vCalTime='<tr>\n<td class="time" colspan="7">\n';
  vCalTime+='<input type="text" name="hour" maxlength="2" value="'+showHour+'" onchange="javascript:winMain.Cal.SetHour(this.value)" />\n';
  vCalTime+=" : ";
  vCalTime+='<input type="text" name="minute" maxlength="2" value="'+Cal.Minutes+'" onchange="javascript:winMain.Cal.SetMinute(this.value)" />\n';
  if (Cal.ShowSeconds){
   vCalTime+=" : ";
   vCalTime+='<input type="text" name="second" maxlength="2" value="'+Cal.Seconds+'" onchange="javascript:winMain.Cal.SetSecond(this.value)" />';
  }
  vCalTime+="\n</td></tr>";
  winCal.document.write(vCalTime);
 }
 //end time picker
 winCal.document.writeln("</table></div></form>\n</body>\n</html>");
 winCal.document.close();
 return true;
}

//Generate table cell with value (j,,Color)
function GenCell(pValue,pColor){
 var PValue;
 var PCellStr;
 var vClass;
 var vHlstr2;
 var vTimeStr;
 if (pValue) PValue=pValue;
 else PValue="";
 if (pColor) vClass=" class=\""+pColor+"\"";
 else vClass="";
 if (PValue!="") PCellStr="<td"+vClass+" onclick=\"javascript:callback('"+Cal.Ctrl+"','"+Cal.FormatDate(PValue)+"');\">"+PValue+"</td>\n";
 else PCellStr="<td>&nbsp;</td>\n";
 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 SwitchYear(intYear){Cal.Year=intYear;}
Calendar.prototype.SwitchYear=SwitchYear;

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 getShowAMorPM(){return this.AMorPM;}
Calendar.prototype.getShowAMorPM=getShowAMorPM;

function GetMonthName(IsLong){
 var Month=MonthName[this.Month];
 if (IsLong) return Month;
 else return Month.substr(0,3);
}
Calendar.prototype.GetMonthName=GetMonthName;
//Get number of days in a month

function GetMonDays(){
 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;