Código HTML:
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;
if (pDate.getHours()<12)
this.AMorPM="AM";
else
this.AMorPM="PM";
}
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 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$");
if (HourExp.test(intHour) && (parseInt(intHour,10)<=MaxHour) && (parseInt(intHour,10)>=MinHour))
{
if ((TimeMode==12) && (Cal.AMorPM=="PM"))
{
if (parseInt(intHour,10)==12)
Cal.Hours=12;
else
Cal.Hours=parseInt(intHour,10)+12;
}
else if ((TimeMode==12) && (Cal.AMorPM=="AM"))
{
if (intHour==12)
intHour-=12;
Cal.Hours=parseInt(intHour,10);
}
else if (TimeMode==24)
Cal.Hours=parseInt(intHour,10);
}
}
Calendar.prototype.SetHour=SetHour;
function SetMinute(intMin)
{
var MinExp=new RegExp("^\\d\\d$");
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)
{
if (this.Format.toUpperCase()=="DDMMYYYY")
return (pDate+DateSeparator+(this.Month+1)+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 ((this.Month+1)+DateSeparator+pDate+DateSeparator+this.Year);
else if (this.Format.toUpperCase()=="MMMDDYYYY")
return (this.GetMonthName(false)+DateSeparator+pDate+DateSeparator+this.Year);
}
Calendar.prototype.FormatDate=FormatDate;
Uso:
Código HTML:
<input id="Desde" name="Desde" type="text" size="25">
<a href="javascript:NewCal('Desde','ddmmyyyy')"><img src="calendario/cal.gif" width="16" height="16" border="0" alt="Seleccionar Fecha"></a>