// Event Calendar 
// based on original code from Stephen Chapman http://javascript.about.com/library/blevent1.htm
// copyright Stephen Chapman, 10th June 2006, 22nd January 2010


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 moy = ['Gennaio','Febbraio','Marzo','Aprile','Maggio','Giugno','Luglio','Agosto','Settembre','Ottobre','Novembre','Dicembre']; 

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'); 
		alert('il mese deve essere compreso tra 1 e 12'); 
		return false; 
	} 

	if (yy != 0 && (yy < 1901 || yy > 2100)) 
	{
		//alert('year must be after 1900 and before 2101'); 
		alert('l\'anno deve essere compreso tra il 1900 e il 2101'); 
		return false; 
	} 
	
//	var dow = ['Sun','Mon','Tue','Wed','Thu','Fri','Sat']; 
	var dow = ['Lun','Mar','Mer','Gio','Ven','Sab','Dom']; 
	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()-1;
 
	var daysInMonth = monthlength(month+1,year); 
 
	var hilite_start = '<td class="today" ><b>'; 
	
	var event_start = '<td class="event" ><b>'; 
 
	var td_start = '<td>'; 
 	
//	var cal = '<div id="cal"><div style="border:1pt solid #cccccc; width:238px"><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>'; 
	
	var cal = '<div id="cal"><table style="width: 100%">';
	
	cal += '<tr><td colspan="5" style="background:' + headbg + '" align="center"><b>' + moy[month]  + ' ' + year + '<\/b><\/td><\/tr>'; 
	
	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="210"><tr><td><a href="#" onclick="if (cala = dispCal('+yb+','+mm+')) {document.getElementById(\'cal\').innerHTML = cala; return false; }">&laquo;</a></td><td><a href="#" onclick="if (cala = dispCal('+yyb+','+mmb+')) {document.getElementById(\'cal\').innerHTML = cala;  return false; }">&lsaquo;</a></td><td align="right"><a href="#" onclick="if (cala = dispCal('+yya+','+mma+')) {document.getElementById(\'cal\').innerHTML = cala;  return false; }">&rsaquo;</a></td><td align="right"><a href="#" onclick="if (cala = dispCal('+ya+','+mm+')) {document.getElementById(\'cal\').innerHTML = cala;  return false; }">&raquo;</a></td></tr></table>'; 
		cal += '<tr><td><a href="#" onclick="if (cala = dispCal('+yb+','+mm+')) {document.getElementById(\'cal\').innerHTML = cala; return false; }">&laquo;</a></td><td><a href="#" onclick="if (cala = dispCal('+yyb+','+mmb+')) {document.getElementById(\'cal\').innerHTML = cala;  return false; }">&lsaquo;</a></td></td>';
		cal += '<td style="text-align:center;"><a href="#" onclick="if (cala = dispCal(0,0)) {document.getElementById(\'cal\').innerHTML = cala;  return false; }">Oggi</a></td>';
		cal += '<td align="right"><a href="#" onclick="if (cala = dispCal('+yya+','+mma+')) {document.getElementById(\'cal\').innerHTML = cala;  return false; }">&rsaquo;</a></td><td align="right"><a href="#" onclick="if (cala = dispCal('+ya+','+mm+')) {document.getElementById(\'cal\').innerHTML = cala;  return false; }">&raquo;</a></td></tr>'; 
	} else 
	{
		//cal += '<div> </div>';
		cal += '<tr><td style="background:' + headbg + '" align="center"><b>' + moy[month]  + ' ' + year + '<\/b><\/td><\/tr>'; 
	} 
	
	cal += '</table><table border="0" cellspacing="0" cellpadding="2"><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 
		{
			if 	(nextDate(year+getmmdd(month+1,dex)) != '') cal += event_start; 
			else cal += td_start; 
			
			cal += '<span '+clickDate(dex,month,year) + '>' + dex + '<\/span><\/td>'; 
		}
		
		
		weekday += 1; 
	} 
	
	for(dex=weekday; dex < 7; dex++) cal += td_start + ' <\/td>'; 
	cal += '<\/tr><\/table>'; 
	
/*	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="210"><tr><td><a href="#" onclick="if (cala = dispCal('+yb+','+mm+')) {document.getElementById(\'cal\').innerHTML = cala; return false; }">&laquo;</a></td><td><a href="#" onclick="if (cala = dispCal('+yyb+','+mmb+')) {document.getElementById(\'cal\').innerHTML = cala;  return false; }">&lsaquo;</a></td><td align="right"><a href="#" onclick="if (cala = dispCal('+yya+','+mma+')) {document.getElementById(\'cal\').innerHTML = cala;  return false; }">&rsaquo;</a></td><td align="right"><a href="#" onclick="if (cala = dispCal('+ya+','+mm+')) {document.getElementById(\'cal\').innerHTML = cala;  return false; }">&raquo;</a></td></tr></table>'; 
	} else 
	{
		cal += '<div> </div>'; 
	}*/ 
	cal += '</div>'; 
	return cal; 
}

function start() {
	
/*
	var tb = 'b'; // top or bottom (t or b) 
	var noMessage =  'No event messages to display for today'; // message to display when no entry in array
	
	var x = '<div id="calDate" style="border:1pt solid #cccccc; width:238px"><\/div>'; 
	var x = '';
	var y = ''; 
	if (tb == 't') y = x + dispCal(0,0); 
	else y = dispCal(0,0) + x; 
	
	document.getElementById('calendar').innerHTML = y; 
*/	
	document.getElementById('calendar').innerHTML = dispCal(0,0); 
	//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; "'; 
	else return 'style="cursor:pointer; color:'+linkclr+';" onclick="GoToURL( \'?page='+calendarPage+'&Par1='+year+'-'+getmm(month+1)+'-'+getdd(day)+' \' ) "'; 
}

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 getmm(mm) {
	
	return (mm > 9 ? '' + mm : '0' + mm) ; 
}

function getdd(dd) {
	
	return (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; 
}*/