var thisDate = 1;							// Tracks current date being written in calendar
var wordMonth = new Array("Janeiro","Fevereiro","Março","Abril","Maio","Junho","Julho","Agosto","Setembro","Outubro","Novembro","Dezembro");
var today = new Date();							// Date object to store the current date
var todaysDay = today.getDay() + 1;					// Stores the current day number 1-7
var todaysDate = today.getDate();					// Stores the current numeric date within the month
var todaysMonth = today.getUTCMonth() + 1;				// Stores the current month 1-12
var todaysYear = today.getFullYear();					// Stores the current year
var monthNum = todaysMonth;						// Tracks the current month being displayed
var yearNum = todaysYear;						// Tracks the current year being displayed
var firstDate = new Date(String(monthNum)+"/1/"+String(yearNum));	// Object Storing the first day of the current month
var firstDay = firstDate.getUTCDay();					// Tracks the day number 1-7 of the first day of the current month
var lastDate = new Date(String(monthNum+1)+"/0/"+String(yearNum));	// Tracks the last date of the current month
var numbDays = 0;
var calendarString = "";
var eastermonth = 0;
var easterday = 0;

// 5 Fields (surrounded by brackets[]) are used for EACH event:
// 	["Recurring", "Month", "Day", "Year", "url"]
//events = new Array(["",	"6",	"14",	"2011",	"http://carmona/eventos.asp?IDArea=4&ID=1"]);

function changedate(buttonpressed) {
	if (buttonpressed == "prevmo" && ((monthNum>todaysMonth && yearNum==todaysYear) || (yearNum>todaysYear))) monthNum--;
	else if (buttonpressed == "nextmo") monthNum++;
	else  if (buttonpressed == "return") { 
		monthNum = todaysMonth;
		yearNum = todaysYear;
	}

	if (monthNum == 0) {
		monthNum = 12;
		yearNum--;
	}
	else if (monthNum == 13) {
		monthNum = 1;
		yearNum++
	}

	lastDate = new Date(String(monthNum+1)+"/0/"+String(yearNum));
	numbDays = lastDate.getDate();
	firstDate = new Date(String(monthNum)+"/1/"+String(yearNum));
	firstDay = firstDate.getDay() + 1;
	createCalendar();
	return;
}


function createCalendar() {
	calendarString = '';
	var daycounter = 0;
	calendarString += '<table width="210" border="0" cellpadding="0" cellspacing="0" style=\"font-family:sans-serif;background-color:#333333;border-collapse:collapse;margin: 0px auto\">';
	calendarString += '<col width=\"40\" span=\"7\"><tr bgcolor=\"#DDDDDD\">';
	calendarString += '<td align=\"left\"><a href=\"#\" onclick=\"changedate(\'prevmo\')\" class=\"calendar\" style=\"color:black\"><b>&larr;</b><\/a><\/td>';
	calendarString += '<td align=\"center\" colspan=\"5\"><b>' + wordMonth[monthNum-1] + '&nbsp;&nbsp;' + yearNum + '<\/b><\/td>';
	calendarString += '<td align=\"right\"><a href=\"#\" onclick=\"changedate(\'nextmo\')\" class=\"calendar\" style=\"color:black\"><b>&rarr;</b><\/a><\/td>';
	calendarString += '<\/tr>';
	calendarString += '<tr>';
	calendarString += '<th class=\"header\" style=\"border-left-color:#FFFFFF\">s<\/th>';
	calendarString += '<th class=\"header\">t<\/th>';
	calendarString += '<th class=\"header\">q<\/th>';
	calendarString += '<th class=\"header\">q<\/th>';
	calendarString += '<th class=\"header\">s<\/th>';
	calendarString += '<th class=\"header\">s<\/th>';
	calendarString += '<th class=\"header\" style=\"border-right-color:#FFFFFF\">d<\/th>';
	calendarString += '<\/tr>';

	thisDate == 1;

	for (var i = 1; i < 6; i++) {
		calendarString += '<tr>';
		for (var x = 1; x <= 7; x++) {
			daycounter = (thisDate - firstDay)+2;
			thisDate++;
			if ((daycounter > numbDays) || (daycounter < 1)) {
				calendarString += '<td class=\"weekday\"><\/td>';
			} else {
				if (checkevents(daycounter,monthNum,yearNum,i,x) || ((todaysDay == x) && (todaysDate == daycounter) && (todaysMonth == monthNum))){
					calendarString += '<td class=\"eventday\"><a class=\"calendar\" href=\"javascript:showevents(' + daycounter + ',' + monthNum + ',' + yearNum + ',' + i + ',' + x + ')\">' + daycounter + '<\/a><\/td>';
				}
				else {
					calendarString += '<td class=\"weekday\">' + daycounter + '<\/td>';
				}
			}
		}
		calendarString += '<\/tr>';
	}
	calendarString += '<\/table>';
	var object=document.getElementById('calendar');
	object.innerHTML= calendarString;
	thisDate = 1;
}


function checkevents(day,month,year,week,dayofweek) {
var numevents = 0;
var floater = 0;

	for (var i = 0; i < events.length; i++) {
		if (events[i][0] == "W") {
			if ((events[i][2] == dayofweek)) numevents++;
		}
		else if (events[i][0] == "Y") {
			if ((events[i][2] == day) && (events[i][1] == month)) numevents++;
		}
		else if (events[i][0] == "F") {
			if ((events[i][1] == 3) && (events[i][2] == 0) && (events[i][3] == 0) ) {
				//if (easterday == day && eastermonth == month) numevents++;
			} else {
				floater = floatingholiday(year,events[i][1],events[i][2],events[i][3]);
				if ((month == 5) && (events[i][1] == 5) && (events[i][2] == 4) && (events[i][3] == 2)) {
					if ((floater + 7 <= 31) && (day == floater + 7)) {
						numevents++;
					} else if ((floater + 7 > 31) && (day == floater)) numevents++;
				} else if ((events[i][1] == month) && (floater == day)) numevents++;
			}
		}
		else if ((events[i][2] == day) && (events[i][1] == month) && (events[i][3] == year)) {
			numevents++;
		}
	}

	if (numevents == 0) {
		return false;
	} else {
		return true;
	}
}


function showevents(day,month,year,week,dayofweek) {
	for (var i = 0; i < events.length; i++) {
		if ((events[i][2] == day) && (events[i][1] == month) && (events[i][3] == year)) {
			this.location.href=events[i][4]
		}
	}
	//if (theevent == "") document.forms.eventform.eventlist.value = 'No events to show.';
}