//Global variables
var winCal;
var dtToday=new Date();
var Cal;
var docCal;
var MonthName=["January", "February", "March", "April", "May", "June","July",
"August", "September", "October", "November", "December"];
var WeekDayName=["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"];
var exDate;//Existing Date
//Configurable parameters
var cnTop="200";//top coordinate of calendar window.
var cnLeft="500";//left coordinate of calendar window
var WindowTitle ="Pick Date";//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 ShowLongMonth=true;//Show long month name in Calendar header. example: "January".
var ShowMonthYear=false;//Show Month and Year in Calendar header.
var MonthYearColor="#cc0033";//Font Color of Month and Year in Calendar header.
var WeekHeadColor="cyan";//Background Color in Week header.
var SundayColor="white";//Background color of Sunday.
var SaturdayColor="white";//Background color of Saturday.
var WeekDayColor="white";//Background color of weekdays.
var FontColor="blue";//color of font in Calendar day cell.
var TodayColor="yellow";//Background color of today.
var SelDateColor="cyan";//Backgrond color of selected date in textbox.
var YrSelColor="blue";//color of font of Year selector.
var ThemeBg="";//Background image of Calendar window.
//end Configurable parameters
//end Global variable
function NewCal(pCtrl,pFormat)
{
Cal=new Calendar(dtToday);
if (pCtrl!=null)
Cal.Ctrl=pCtrl;
if (pFormat!=null)
Cal.Format=pFormat.toUpperCase();
exDate=document.getElementById(pCtrl).value;
if (exDate!="")//Parse Date String
{
var Sp1;//Index of Date Separator 1
var Sp2;//Index of Date Separator 2
var strMonth;
var strDate;
var strYear;
var intMonth;
var YearPattern;
//parse month
Sp1=exDate.indexOf(DateSeparator,0)
Sp2=exDate.indexOf(DateSeparator,(parseInt(Sp1)+1));
if ((Cal.Format.toUpperCase()=="DDMMYYYY") || (Cal.Format.toUpperCase()=="DDMMMYYYY"))
{
strMonth=exDate.substring(Sp1+1,Sp2);
strDate=exDate.substring(0,Sp1);
}
else if ((Cal.Format.toUpperCase()=="MMDDYYYY") || (Cal.Format.toUpperCase()=="MMMDDYYYY"))
{
strMonth=exDate.substring(0,Sp1);
strDate=exDate.substring(Sp1+1,Sp2);
}
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
strYear=exDate.substring(Sp2+1,Sp2+5);
YearPattern=/^\d{4}$/;
if (YearPattern.test(strYear))
Cal.Year=parseInt(strYear,10);
//end parse year
}
winCal=window.open("","PickDate","toolbar=0,status=0,menubar=0,fullscreen=no,width=195,height=245,resizable=0,top="+cnTop+",left="+cnLeft);
docCal=winCal.document;
RenderCal();
}
function RenderCal()
{
var vCalHeader;
var vCalData;
var i;
var j;
var SelectStr;
var vDayCount=0;
var vFirstDay;
docCal.open();
docCal.writeln(""+WindowTitle+"");
docCal.writeln("");
docCal.writeln("");
docCal.close();
}
function GenCell(pValue,pHighLight,pColor)//Generate table cell with value
{
var PValue;
var PCellStr;
var vColor;
var vHLstr1;//HighLight string
var vHlstr2;
if (pValue==null)
PValue="";
else
PValue=pValue;
if (pColor!=null)
vColor="bgcolor=\""+pColor+"\"";
else
vColor="";
if ((pHighLight!=null)&&(pHighLight))
{vHLstr1="color='red'>";vHLstr2="";}
else
{vHLstr1=">";vHLstr2="";}
PCellStr="
"+PValue+""+vHLstr2+"
";
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.MyWindow=winCal;
this.Ctrl=pCtrl;
this.Format="ddMMyyyy";
this.Separator=DateSeparator;
}
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 SwitchMth(intMth)
{ Cal.Month=intMth;}
Calendar.prototype.SwitchMth=SwitchMth;
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)
{
return (this.Year+DateSeparator+(this.Month+1)+DateSeparator+pDate);
}
Calendar.prototype.FormatDate=FormatDate;