var tb = 't'; // top or bottom (t or b)
var headbg = '#FFFF99';  // table heading background colour
var todaybg = '#FFCC00'; // current selected date background colour
var textclr = '#000000'; // text colour
var linkclr = '#660000'; // link text colour
var noMessage =  ''; // 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++] = "00000101 New Year";
dA[x++] = "00001201 Zanzibar Revolution day";
dA[x++] = "00000709 Steve's Birthday";
dA[x++] = "00000919 Site Anniversary";
dA[x++] = "00001206 St Nicholas' Day";
dA[x++] = "00000426 Muungano Day"
dA[x++] = "00001225 Chrismas Day"
// 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());

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 = ['Sun','Mon','Tue','Wed','Thu','Fri','Sat']; 
		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="30" style="background:' + todaybg + '" align="center"><b>'; 
		var td_start = '<td width="30" align="center">'; 
		var cal = '<div id="cal"><div style="border:1pt solid #CC9900; height:135px; width:180px"><table border="0" cellspacing="0" cellpadding="2" align="center"><tr>                   <td colspan="7" style="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="180" align="center"><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:1pt solid #FFFFFF; width:150px"><\/div>'; 
var x = '';
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 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;
}