// JavaScript Document

var thisDate = 1;							
var wordMonth = new Array("Janeiro","Fevereiro","Março","Abril","Maio","Junho","Julho","Agosto","Setembro","Outubro","Novembro","Dezembro");
var today = new Date();							
var todaysDay = today.getDay() + 1;					
var todaysDate = today.getDate();					
var todaysMonth = today.getUTCMonth() + 1;				
var todaysYear = today.getFullYear();					
var monthNum = todaysMonth;						
var yearNum = todaysYear;						
var firstDate = new Date(String(monthNum)+"/1/"+String(yearNum));	
var firstDay = firstDate.getUTCDay();					
var lastDate = new Date(String(monthNum+1)+"/0/"+String(yearNum));	
var numbDays = 0;
var calendarString = "";
var eastermonth = 0;
var easterday = 0;

window.onload = function(){
	changedate('return');
}


function changedate(buttonpressed) {
	if (buttonpressed == "prevyr") yearNum--;
	else if (buttonpressed == "nextyr") yearNum++;
	else if (buttonpressed == "prevmo") 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 easter(year) {
var a = year % 19;
var b = Math.floor(year/100);
var c = year % 100;
var d = Math.floor(b/4);
var e = b % 4;
var f = Math.floor((b+8) / 25);
var g = Math.floor((b-f+1) / 3);
var h = (19*a + b - d - g + 15) % 30;
var i = Math.floor(c/4);
var j = c % 4;
var k = (32 + 2*e + 2*i - h - j) % 7;
var m = Math.floor((a + 11*h + 22*k) / 451);
var month = Math.floor((h + k - 7*m + 114) / 31);
var day = ((h + k - 7*m +114) % 31) + 1;
eastermonth = month;
easterday = day;
}

function createCalendar() {
	calendarString = '';
	var daycounter = 0;
	calendarString += '<table align="center" style="border:1px solid #d0d0d0;" width="176" cellpadding="0" cellspacing="0">'
	calendarString += '<tr>';
	calendarString += '<td align=\"center\" td bgcolor=\"#ffffff\" valign=\"center\" width=\"5\" style="padding-left:5px;"><a href=\"#\"onClick=\"changedate(\'prevmo\')\"><img name=\"PrevMo\" src=\"images\/seta_cinza_esquerda\.jpg\" width=\"5\" height=\"11\" border=\"0\" alt=\"Esquerda\"\/><\/a><\/td>';
	calendarString += '<td bgcolor=\"#ffffff\" align=\"center\" width=\"300\"colspan=\"3\">' + wordMonth[monthNum-1] + '&nbsp;&nbsp;' + yearNum + '<\/td>';
	calendarString += '<td width=\"5\" height=\"11\" td bgcolor=\"#ffffff\" align=\"center\" valign=\"center\" style="padding-right:5px;"><a href=\"#\"onClick=\"changedate(\'nextmo\')\"><img name=\"NextMo\" src=\"images\/seta_cinza_direita\.jpg\" width=\"5\" height=\"11\" border=\"0\" alt=\"Direita\"\/><\/a><\/td>';
	calendarString += '<\/tr>';
	calendarString += '<\/table>';
	calendarString += '<table width="176" bgcolor="#FFFFFF" border="0" style="border:1px solid #d0d0d0; cellpadding="0" cellspacing="0">';
	calendarString += '<tr>';
	calendarString += '<td bgcolor=\"#e8e8e8\" align=\"center\" valign=\"center\" width=\"14%\">D<\/td>';
	calendarString += '<td bgcolor=\"#e8e8e8\" align=\"center\" valign=\"center\" width=\"14%\">S<\/td>';
	calendarString += '<td bgcolor=\"#e8e8e8\" align=\"center\" valign=\"center\" width=\"14%\">T<\/td>';
	calendarString += '<td bgcolor=\"#e8e8e8\" align=\"center\" valign=\"center\" width=\"14%\">Q<\/td>';
	calendarString += '<td bgcolor=\"#e8e8e8\" align=\"center\" valign=\"center\" width=\"14%\">Q<\/td>';
	calendarString += '<td bgcolor=\"#e8e8e8\" align=\"center\" valign=\"center\" width=\"14%\">S<\/td>';
	calendarString += '<td bgcolor=\"#e8e8e8\" align=\"center\" valign=\"center\" width=\"14%\">S<\/td>';
	calendarString += '<\/tr>';

	thisDate == 1;
	for (var i = 1; i <= 6; i++) {
		calendarString += '<tr>';
		for (var x = 1; x <= 7; x++) {
			daycounter = (thisDate - firstDay)+1;
			thisDate++;
			if ((daycounter > numbDays) || (daycounter < 1)) {
				calendarString += '<td align=\"center\" bgcolor=\"#FFFFFF\" width=\"14%\">&nbsp;<\/td>';
			} else {
				if (checkevents(daycounter,monthNum,yearNum,i,x) || ((todaysDay == x) && (todaysDate == daycounter) && (todaysMonth == monthNum))){
					if ((todaysDay == x) && (todaysDate == daycounter) && (todaysMonth == monthNum)) {
						calendarString += '<td align=\"center\" width=\"14%\"><a href=\"javascript:showevents(' + daycounter + ',' + monthNum + ',' + yearNum + ',' + i + ',' + x + ')\"><font color="#FF0000"><b>' + daycounter + '</b></font></a><\/td>';
						showevents(daycounter,monthNum,yearNum,i,x);
					}
 					else	calendarString += '<td align=\"center\" bgcolor=\"#FFFFC1\" width=\"14%\"><a href=\"javascript:showevents(' + daycounter + ',' + monthNum + ',' + yearNum + ',' + i + ',' + x + ')\">' + daycounter + '<\/a><\/td>';
				} else {
					calendarString += '<td align=\"center\" bgcolor=\"#FFFFFF\" width=\"14%\"><a href=\"javascript:showevents(' + daycounter + ',' + monthNum + ',' + yearNum + ',' + i + ',' + x + ')\">' + daycounter + '</a><\/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) ) {
				easter(year);
				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) {
var theevent = "";
var floater = 0;

	for (var i = 0; i < events.length; i++) {
		if (events[i][0] != "") {
			if (events[i][0] == "D") {
			}
			if (events[i][0] == "W") {
				if ((events[i][2] == dayofweek)) {
				theevent += '<div style="background:#F4F4F4; " align="center">'
						theevent += "<b>Dia &nbsp;" + day +'\n';
						theevent += '</b><br>'
						/*theevent += '' + events[i][4] + '\n';*/
						theevent += events[i][6] + '\n';
						theevent += '</div>'

				var x=document.getElementById("evento")
					x.innerHTML = theevent;
				//document.forms.eventform.eventlist.value = theevent;
				}
			}
			if (events[i][0] == "M") {
			}
			if (events[i][0] == "Y") {
				if ((events[i][2] == day) && (events[i][1] == month)) {
			theevent += '<div style="background:#F4F4F4; " align="center">'
						theevent += "<b>Dia &nbsp;" + day +'\n';
						theevent += '</b><br>'
						/*theevent += '' + events[i][4] + '\n';*/
						theevent += events[i][6] + '\n';
						theevent += '</div>'
				
				var x=document.getElementById("evento")
					x.innerHTML = theevent;
				//document.forms.eventform.eventlist.value = theevent;
				}
			}
			if (events[i][0] == "F") {	
				if ((events[i][1] == 3) && (events[i][2] == 0) && (events[i][3] == 0) ) {
					if (easterday == day && eastermonth == month) {
						theevent += '<div style="background:#F4F4F4; " align="center">'
						theevent += "<b>Dia &nbsp;" + day +'\n';
						theevent += '</b><br>'
						/*theevent += '' + events[i][4] + '\n';*/
						theevent += events[i][6] + '\n';
						theevent += '</div>'
						var x=document.getElementById("evento")
							x.innerHTML = theevent;
							//document.forms.eventform.eventlist.value = theevent;
					} 
				} 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)) {
							theevent += '<div style="background:#F4F4F4; " align="center">'
						theevent += "<b>Dia &nbsp;" + day +'\n';
						theevent += '</b><br>'
						/*theevent += '' + events[i][4] + '\n';*/
						theevent += events[i][6] + '\n';
						theevent += '</div>'
							var x=document.getElementById("evento")
							x.innerHTML = theevent;
							//document.forms.eventform.eventlist.value = theevent;
						} else if ((floater + 7 > 31) && (day == floater)) {
							theevent += '<div style="background:#F4F4F4; " align="center">'
						theevent += "<b>Dia &nbsp;" + day +'\n';
						theevent += '</b><br>'
						/*theevent += '' + events[i][4] + '\n';*/
						theevent += events[i][6] + '\n';
						theevent += '</div>'
							var x=document.getElementById("evento")
							x.innerHTML = theevent;
							//document.forms.eventform.eventlist.value = theevent;
						}
					} else if ((events[i][1] == month) && (floater == day)) {
						theevent += '<div style="background:#F4F4F4; " align="center">'
						theevent += "<b>Dia &nbsp;" + day +'\n';
						theevent += '</b><span width="75" height="1">'
						theevent += '<br>'
						/*theevent += '' + events[i][4] + '\n';*/
						theevent += events[i][6] + '\n';
						theevent += '</div>'
	
						//theevent += '<br />'
						//theevent += 'Término: ' + events[i][5] + '\n';
						//theevent += '<br />'
						//theevent += 'Descrição: ' + events[i][7] + '\n';
						//theevent += '\n -------------- \n\n';
						var x=document.getElementById("evento")
						x.innerHTML = theevent;
						//document.forms.eventform.eventlist.value = theevent;
					}
				}
		}
		}
		else if ((events[i][2] == day) && (events[i][1] == month) && (events[i][3] == year)) {
			theevent += '<div style="background:#F4F4F4; " align="center">'
						theevent += "<b>Dia &nbsp;" + day +'\n';
						theevent += '</b><br>'
						/*theevent += '' + events[i][4] + '\n';*/
						theevent += events[i][6] + '\n';
						theevent += '</div>'
			var x=document.getElementById("evento")
					x.innerHTML = theevent;
				//document.forms.eventform.eventlist.value = theevent;
		}
	}
	if (theevent == "") {
		theevent += '<div style="background:#F4F4F4; " align="center">'
						theevent += "<b>Dia &nbsp;" + day +'\n';
						theevent += '</b></br>Não há jogos';
						theevent += '</div>'
	var x=document.getElementById("evento")
		x.innerHTML = theevent;
	}
}


function floatingholiday(targetyr,targetmo,cardinaloccurrence,targetday){
var firstdate = new Date(String(targetmo)+"/1/"+String(targetyr));	
var firstday = firstdate.getUTCDay();	
var dayofmonth = 0;	

	targetday = targetday - 1;

	if (targetday >= firstday) {
		cardinaloccurrence--;	// Subtract 1 from cardinal day.
		dayofmonth = (cardinaloccurrence * 7) + ((targetday - firstday)+1);
	} else {
		dayofmonth = (cardinaloccurrence * 7) + ((targetday - firstday)+1);
	}
return dayofmonth;
}