Monthly Calendar

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This puts the current time in the status window.

Body Code:

<script language="JavaScript">
<!-- for sucky browsers
Months = new Array(12);
Months[0] = "January";
Months[1] = "February";
Months[2] = "March";
Months[3] = "April";
Months[4] = "May";
Months[5] = "June";
Months[6] = "July";
Months[7] = "August";
Months[8] = "September";
Months[9] = "October";
Months[10] = "November";
Months[11] = "December";
function PadSpaces(TheString)
{
	var Spaces = "             ";
	len = Math.round((9 - TheString.length)/2);
	return Spaces.substring(0,len) + TheString;
}
function NumLeapYears(StartYear, EndYear)
{
 	var LeapYears, i;
 	if (EndYear >= StartYear){
 		for(LeapYears = 0; StartYear <= EndYear; StartYear++)
 		if (IsLeapYear(StartYear)) LeapYears++;
	}else{
	for(LeapYears = 0; EndYear <= StartYear; EndYear++)
 		if (IsLeapYear(EndYear)) LeapYears++;
	}
 	return LeapYears;
}
function IsLeapYear(Year)
{
	if(Math.round(Year/4) == Year/4){
		if(Math.round(Year/100) == Year/100){
			if(Math.round(Year/400) == Year/400)
				return true;
			else return false;
		}else return true;
	}
	return false;
}
function Trim(TheString)
{
	var len;
	len = TheString.length;
 	while(TheString.substring(0,1) == " "){ //trim left
 		TheString = TheString.substring(1, len);
  		len = TheString.length;
	}
 	while(TheString.substring(len-1, len) == " "){ //trim right
 		TheString = TheString.substring(0, len-1);
  		len = TheString.length;
 	}
 	return TheString;
}
function DetermineMonthIdx()
{
	var i, month, month_s, len;
	month = Trim(document.calform.elements[4].value);
	len = month.length;
	for( i = 0; i <12; i++){
    		month_s = Months[i].substring(0,len);
		if (month_s.toUpperCase() == month.toUpperCase())
        		return (i);
  	}
  	return -1;
}
function FindNewYearStartingDay(Year)
{
 	var LeapYears, Years, Day;
 	LeapYears = NumLeapYears(1995, Year);
 	if  (Year >=1995)
 		Years = (Year -1995)+LeapYears;
 	else	Years = (Year -1995)-LeapYears;
 	if  (Year >=1995)
		Day = Math.round(((Years/7 - Math.floor(Years/7))*7)+.1);
 	else	Day = Math.round(((Years/7 -  Math.ceil(Years/7))*7)-.1);
	if (Year >=1995){
 		if(IsLeapYear(Year)) Day--;
 	}else Day += 7;
 	if(Day < 0) Day = 6;
 	if(Day > 6) Day = 0;
 	return Day;
}
function FindNumDaysInMonth(Year, Month)
{
 	if(Month == 1){
   		if(IsLeapYear(Year)) return 29;
   		else return 28;
 	}else{
   		if(Month >6) Month++;
   		if(Month/2 == Math.round(Month/2))  return 31;
 	}
 return 30;
}
function FindMonthStartDay(NewYearDay, Year, Month)
{
  	var MonthStartDay;
  	AddArray = new Array(12);
  	AddArray[0]=0;AddArray[1]=3;AddArray[2]=3;AddArray[3]=6;
	AddArray[4]=1;AddArray[5]=4;AddArray[6]=6;AddArray[7]=2;
	AddArray[8]=5;AddArray[9]=0;AddArray[10]=3;AddArray[11]=5;
  	MonthStartDay = NewYearDay + AddArray[Month];
  	if(IsLeapYear(Year)  && (Month ) > 1) MonthStartDay ++;
  	if (MonthStartDay > 6) MonthStartDay -= 7;
  	return MonthStartDay;
}
function  FillCalendar()
{
  	var Year, Month, Midx, NewYearDay, MonthStartDay;
	var NumDaysInMonth, i, t;
  	Year = parseFloat(document.calform.elements[1].value);
  	Month = document.calform.elements[4].value;
  	Midx  =  DetermineMonthIdx();
  	if (Midx == -1){
   		alert ("Can't recognize that month");
   		return;
  	}
  	NewYearDay = FindNewYearStartingDay(Year);
  	MonthStartDay = FindMonthStartDay(NewYearDay, Year,  Midx);
  	NumDaysInMonth = FindNumDaysInMonth(Year, Midx);
  	for(i = 6;  i < 43;  i++){
		t = i-5-MonthStartDay;
		if ( t >= 1  &&  t <= NumDaysInMonth)
			document.calform.elements[i].value =t;
		else document.calform.elements[i].value = "";
  	}
}
function IncDecYear(val)
{
	var valNum = parseInt(val);
	var valNum2 = parseInt(document.calform.elements[1].value)
	document.calform.elements[1].value = valNum2 + valNum;
	FillCalendar()
}
function IncDecMonth(val)
{
	var valNum = parseInt(val);
  	var Midx  =  DetermineMonthIdx();
	Midx += valNum;
	if(Midx > 11) Midx = 0;
	if(Midx < 0)  Midx = 11;
	document.calform.elements[4].value = PadSpaces(Months[Midx]);
	FillCalendar()
}
// -->
</script>


<table border=1 bgcolor="#000000"><tr><td align=center>
<table border=0  cellspacing=0>
<form name="calform">
<tr><td align=center bgcolor="#000000"><input type=button value="<<" onClick="IncDecYear(-1)"></td>
	<th bgcolor="#aaaaaa" colspan=5 align=center><input size=4 type=text value="1993"></th>
	<td align=center bgcolor="#000000"><input type=button value=">>" onClick="IncDecYear(1)"></td></tr>
<tr><td align=center bgcolor="#000000"><input type=button value="<<" onClick="IncDecMonth(-1)"></td>
	<th bgcolor="#aaaaaa" colspan=5 align=center><input size=9 type=text value=" January "></th>
	<td align=center bgcolor="#000000"><input type=button value=">>" onClick="IncDecMonth(1)"></td></tr>
<tr><th  bgcolor="#ffcccc">Sun</td>
	<th  bgcolor="#ccccff">Mon</td>
	<th  bgcolor="#ccccff">Tue</td>
	<th  bgcolor="#ccccff">Wed</td>
	<th  bgcolor="#ccccff">Thu</td>
	<th  bgcolor="#ccccff">Fri</td>
	<th  bgcolor="#ccccff">Sat</td></tr>
<tr><td  bgcolor="#ffcccc"><input type=text size=2></td>
	<td  bgcolor="#ccccff"><input type=text size=2></td>
	<td  bgcolor="#ccccff"><input type=text size=2></td>
	<td  bgcolor="#ccccff"><input type=text size=2></td>
	<td  bgcolor="#ccccff"><input type=text size=2></td>
	<td  bgcolor="#ccccff"><input type=text size=2></td>
	<td  bgcolor="#ccccff"><input type=text size=2></td></tr>
<tr><td  bgcolor="#ffcccc"><input type=text size=2></td>
	<td  bgcolor="#ccccff"><input type=text size=2></td>
	<td  bgcolor="#ccccff"><input type=text size=2></td>
	<td  bgcolor="#ccccff"><input type=text size=2></td>
	<td  bgcolor="#ccccff"><input type=text size=2></td>
	<td  bgcolor="#ccccff"><input type=text size=2></td>
	<td  bgcolor="#ccccff"><input type=text size=2></td></tr>
<tr><td  bgcolor="#ffcccc"><input type=text size=2></td>
	<td  bgcolor="#ccccff"><input type=text size=2></td>
	<td  bgcolor="#ccccff"><input type=text size=2></td>
	<td  bgcolor="#ccccff"><input type=text size=2></td>
	<td  bgcolor="#ccccff"><input type=text size=2></td>
	<td  bgcolor="#ccccff"><input type=text size=2></td>
	<td  bgcolor="#ccccff"><input type=text size=2></td></tr>
<tr><td  bgcolor="#ffcccc"><input type=text size=2></td>
	<td  bgcolor="#ccccff"><input type=text size=2></td>
	<td  bgcolor="#ccccff"><input type=text size=2></td>
	<td  bgcolor="#ccccff"><input type=text size=2></td>
	<td  bgcolor="#ccccff"><input type=text size=2></td>
	<td  bgcolor="#ccccff"><input type=text size=2></td>
	<td  bgcolor="#ccccff"><input type=text size=2></td></tr>
<tr><td  bgcolor="#ffcccc"><input type=text size=2></td>
	<td  bgcolor="#ccccff"><input type=text size=2></td>
	<td  bgcolor="#ccccff"><input type=text size=2></td>
	<td  bgcolor="#ccccff"><input type=text size=2></td>
	<td  bgcolor="#ccccff"><input type=text size=2></td>
	<td  bgcolor="#ccccff"><input type=text size=2></td>
	<td  bgcolor="#ccccff" ><input type=text size=2></td></tr>
<tr><td  bgcolor="#ffcccc"><input type=text size=2></td>
	<td  bgcolor="#ccccff"><input type=text size=2></td>
	<td  bgcolor="#aaaaaa" colspan=5><input type=text></td></tr>
</form>
</table>
</td></tr></table>
<script language="JavaScript">
<!--
//include this script segment if you want to set the calendar to today's date.
//this MUST come after the tabled form which contains the calendar
//set calendar to today's date
	myDate = new Date();
	var Month = parseInt(myDate.getMonth());
	document.calform.elements[1].value =  myDate.getYear();
	document.calform.elements[4].value = PadSpaces(Months[Month]);
	document.calform.elements[43].value = "Today is: " +
		myDate.getDate() + " " + Months[Month].substring(0,3)
		 + ", " + (0 + myDate.getYear());
	FillCalendar();
// -->
</script>

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