// JavaScript Document
// Event Calendar
// copyright Stephen Chapman, 10th June 2006, 30th October 2006

var tb = 'b'; // top or bottom (t or b)
var headbg = '#eeeeee';  // table heading background colour
var todaybg = '#ffffff'; // current selected date background colour
var textclr = '#333333'; // text colour
var linkclr = '#ff0000'; // link text colour
var curday = '#0000ff'; // current selected data foreground colour
var noMessage =  'No events to display for today.'; // message to display when no entry in array

var dA = new Array(); var x = 0;
// first 8 characters in ccyymmdd format for single date events
// first 8 characters in 0000mmdd format for every year events
dA[x++] = "00000510 Alan's Birthday";
dA[x++] = "20080501 Annual trip to Moab";
dA[x++] = "20080502 Annual trip to Moab";
dA[x++] = "20080503 Annual trip to Moab";
dA[x++] = "20080504 Annual trip to Moab";
dA[x++] = "20080505 Annual trip to Moab";

// dA[x++] = "20060610 New Event Calendar Started today";

// permission is granted to use this javascript provided that the below code is not altered
var pageLoaded = 0; window.onload = function() {pageLoaded = 1;}
function loaded(i,f) {if (document.getElementById && document.getElementById(i) != null) f(); else if (!pageLoaded) setTimeout('loaded(\''+i+'\','+f+')',100);
}
function monthlength(month,year) {var dd = new Date(year, month, 0);return dd.getDate();}
var moy = ['January','February','March','April','May','June','July','August','September','October','November','December'];var today = new Date();var selDate = today.getFullYear()+getmmdd(today.getMonth()+1,today.getDate());
var selDate2 = getmmdd(today.getMonth()+1,today.getDate())+today.getFullYear();

function dispCal(yy,mm) {
	if (mm < 0 || mm > 12) {
		alert('month must be between 1 and 12'); 
		return false;
	} 
	if (yy != 0 && (yy < 1901 || yy > 2100)) {
		alert('year must be after 1900 and before 2101'); 
		return false;
	} 
	var dow = ['S','M','T','W','T','F','S']; 
	var calendar = new Date();  
	var today = calendar.getDate(); 
	calendar.setDate(1); 
	if (yy > 1900) calendar.setFullYear(yy); 
	if (mm > 0) calendar.setMonth(mm - 1); 
	var yy = year = calendar.getFullYear(); 
	var month = calendar.getMonth(); 
	calendar.setDate(today); 
	var weekday = calendar.getDay(); 
	var daysInMonth = monthlength(month+1,year); 
	var hilite_start = '<td width="20" style="color:' + curday + ';background:' + todaybg + '" align="center"><b>'; 
	var td_start = '<td width="20" align="center">'; 
	var cal = '<div id="cal"><div style="border:1pt solid #cccccc;height:140px;width:147px"><table border="0" cellspacing="0" cellpadding="1" align="center"><tr><td colspan="7" style="color:#666666;background:' + headbg + '" align="center"><b>' + moy[month]  + ' ' + year + '<\/b><\/td><\/tr><tr>'; 
	for(dex=0; dex < 7; dex++) {
		cal += td_start + dow[dex] + '</td>';
	} 
	cal += '<\/tr><tr>'; 
	var day2 = today; 
	for (dex = today; dex > 6; dex -=7) day2 = dex; weekday -= day2 - 1; 
	while (weekday < 0) weekday += 7; 
	for(dex=0; dex < weekday; dex++) cal += td_start + ' <\/td>'; 
	for(dex=1; dex <= daysInMonth; dex++) {
		if(weekday == 7) {
			cal += '</tr><tr>'; 
			weekday = 0;
		} 
		if(selDate==year+getmmdd(month+1,dex)) 
			cal += hilite_start +'<span'+clickDate(dex,month,year) + '>'+ dex + '<\/span><\/b><\/td>'; 
		else cal += td_start + '<span '+clickDate(dex,month,year) + '>' + dex + '<\/span><\/td>'; weekday += 1;
		} 
		for(dex=weekday; dex < 7; dex++) 
		cal += td_start + ' <\/td>'; 
		cal += '<\/tr><\/table><\/div>';
		if (document.getElementById) {
			var mmb = month;  mm = month + 1; 
			var yya = yyb = yy; 
			if (mmb <1) {
				mmb += 12; yyb--;
			} 
			var mma = month + 2; 
			if (mma > 12) {
				mma -= 12; yya++;
			} 
			var yb = yy -1; 
			var ya = yy +1; 
			cal += '<table border="0" cellspacing="0" cellpadding="2" width="140"><tr><td><a href="#" onclick="if (cala = dispCal('+yb+','+mm+')) {document.getElementById(\'cal\').innerHTML = cala; return false;}"><<</a></td><td><a href="#" onclick="if (cala = dispCal('+yyb+','+mmb+')) {document.getElementById(\'cal\').innerHTML = cala; return false;}"><</a></td><td align="right"><a href="#" onclick="if (cala = dispCal('+yya+','+mma+')) {document.getElementById(\'cal\').innerHTML = cala; return false;}">></a></td><td align="right"><a href="#" onclick="if (cala = dispCal('+ya+','+mm+')) {document.getElementById(\'cal\').innerHTML = cala; return false;}">>></a></td></tr></table>';
		} else {
			cal += '<div> </div>';
		} cal += '</div>'; return cal;
		}

function start() {var x = '<div id="calDate" style="border:0pt solid #cccccc;width:130px;color:#666666; background-color:#ffffff;padding:5px;"><\/div>'; var y = ''; if (tb == 't') y = x + dispCal(0,0); else y = dispCal(0,0) + x; document.getElementById('calendar').innerHTML = y; ev();}
loaded('calendar',start);

//function clickDate(day, month, year) {var ct = nextDate(year + getmmdd(month+1,day));if (ct == '') ct = nextDate('0000' + getmmdd(month+1,day));if (ct == '') return 'style="color:'+textclr+'"'; else return 'style="cursor:pointer;color:'+linkclr+'" onclick="selDate = '+year+ getmmdd(month+1,day)+'; isDate(' + day + ',' + month + ',' + year + ');return false;"';}function isDate(dayVal,monthVal,yearVal) {var ct = nextDate(yearVal + getmmdd(monthVal+1,dayVal));if (ct == '') ct = nextDate('0000' + getmmdd(monthVal+1,dayVal));if (ct == '') ct = noMessage;document.getElementById('calDate').innerHTML = selDate + ':<br \/>' +ct; return false;}function nextDate(yymmdd) {var x = dA.length;for (var i = 0; i < x; i++) {if (dA[i].substr(0,8) == yymmdd) return dA[i].substr(8);}return '';}function getmmdd(mm,dd) {return (mm > 9 ? '' + mm : '0' + mm) + (dd > 9 ? dd : '0' + dd);}

function clickDate(day, month, year) {var ct = nextDate(year + getmmdd(month+1,day));if (ct == '') ct = nextDate('0000' + getmmdd(month+1,day));if (ct == '') return 'style="color:'+textclr+'"'; else return 'style="cursor:pointer;color:'+linkclr+'" onclick="selDate = '+year+ getmmdd(month+1,day)+'; isDate(' + day + ',' + month + ',' + year + ');return false;"';}function isDate(dayVal,monthVal,yearVal) {var ct = nextDate(yearVal + getmmdd(monthVal+1,dayVal));if (ct == '') ct = nextDate('0000' + getmmdd(monthVal+1,dayVal));if (ct == '') ct = noMessage;document.getElementById('calDate').innerHTML = selDate + ':<br \/>' +ct; return false;}function nextDate(yymmdd) {var x = dA.length;for (var i = 0; i < x; i++) {if (dA[i].substr(0,8) == yymmdd) return dA[i].substr(8);}return '';}function getmmdd(mm,dd) {return (mm > 9 ? '' + mm : '0' + mm) + (dd > 9 ? dd : '0' + dd);}


//function ev() {var ct = nextDate(selDate);var ct = nextDate(selDate);if (ct == '') ct = nextDate('0000' + selDate.substr(4));if (ct == '') ct = noMessage; document.getElementById('calDate').innerHTML = selDate + ':<br \/> ' +ct;}

function ev() {var ct = nextDate(selDate);var ct = nextDate(selDate);if (ct == '') ct = nextDate('0000' + selDate.substr(4));if (ct == '') ct = noMessage; document.getElementById('calDate').innerHTML = ct;}