// set up variables
var monthsArray = new Array("Gennaio","Febbraio","Marzo","Aprile","Maggio","Giugno","Luglio","Agosto","Settembre","Ottobre","Novembre","Dicembre");
var daysArray = new Array("Dom","Lun","Mar","Mer","Gio","Ven","Sab");
var prevYears = 1; // number of years before current date
var futureYears = 2; // number of years after current date
var today = new Date();
var nowMonth = today.getMonth();
var nowYear = today.getFullYear();
var curMonth = nowMonth;
var curYear = nowYear;
var monthEvents;
today.setDate(1); // set to first day of the month

var eventsArray = new Array();
// format: dd,mm,yyyy,"event","frequency (Annual/Monthly/Weekly)" - Delete frequency for once-time occurrences
eventsArray[0] = new newEvent(25,12,2009," Buon Natale a tutti","Annual");
eventsArray[1] = new newEvent(1,1,2009," Felice anno nuovo a tutti","Annual");
eventsArray[2] = new newEvent(25,5,2010," Finalmente on-line il nuovo sito internet");
eventsArray[3] = new newEvent(29,5,2010,"  Ponderano Gioca - festa provinciale minibasket");
eventsArray[4] = new newEvent(31,3,2011," Partita U19; BORGOMANERO BASKET GIO vs ASD BASKET PONDERANO; Palacadorna Via Cadorna BORGOMANERO NO h 20.45 ");
eventsArray[5] = new newEvent(2,4,2011," Partita U14; A.S.D. BASKET PONDERANO vs PIANETA BASKET NOVARA; Pal. Comunale - Via Carducci 5  PONDERANO (BI); h 15.30 ");
eventsArray[6] = new newEvent(2,4,2011," Partita Esordienti; COSSATO vs PONDERANO; h 15.00");
eventsArray[7] = new newEvent(6,4,2011," Partita Esordienti; PONDERANO vs CIGLIANO; h 18.30");
eventsArray[8] = new newEvent(8,4,2011," Partita U19; ASD BASKET PONDERANO vs VIGLIANO BASKET TEAM; Pal. comunale-Via Carducci 5 Ponderano BI; h 20.00 ");
eventsArray[9] = new newEvent(14,4,2011," Partita U19; BK BEAVERS SAN MAURIZIO vs ASD BASKET PONDERANO ; Palazzetto via bonetto 37 San maurizio D’Opalio NO; h 21 ");
eventsArray[10] = new newEvent(19,4,2011," Partita Esordienti; SANTHIA vs PONDERANO; h");
eventsArray[11] = new newEvent(6,5,2011," Partita U19; ASD BASKET PONDERANO vs BASKET CLUB TRECATE; Pal. comunale-Via Carducci 5 Ponderano BI; h 20.30 ");
eventsArray[12] = new newEvent(11,5,2011," Partita Esordienti; PONDERANO vs CARDUCCI; h 18.00 ");
eventsArray[13] = new newEvent(13,5,2011," Partita U19; ASD BASKET PONDERANO vs BORGOMANERO BASKET GIO; Pal. comunale-Via Carducci 5 Ponderano BI; h 20.00 ");
eventsArray[14] = new newEvent(17,5,2011," Partita U19; VIGLIANO BASKET TEAM vs ASD BASKET PONDERANO; Pal. comunale Viale Alpini D’Italia VIGLIANO BIELLESE BI; h 19.00 ");
eventsArray[15] = new newEvent(29,5,2011," Partita Esordienti; VERCELLI vs PONDERANO; h 11.00 ");
eventsArray[16] = new newEvent(24,4,2011," BUONA PASQUA A TUTTI!!!! ");
eventsArray[17] = new newEvent(25,4,2011," BUONA PASQUETTA A TUTTI!!!! ");
eventsArray[18] = new newEvent(10,5,2011," Si fanno le foto di squadra quindi si richiede la presenza di tutti!!!! ");
eventsArray[19] = new newEvent(28,5,2011," PONDERANO GIOCA, tutte le info le trovate nella locandina nelle news! ");
eventsArray[20] = new newEvent(3,6,2011," Cena degli Under 19 alla padella! ");
eventsArray[21] = new newEvent(25,6,2011," 3vs3 al palapajetta! chi vuole partecipare contatti torneo_biella@hotmail.it ");


// create event object
function newEvent(day, month, year, memo, occurrence) {
this.day = day;
this.month = month;
this.year = year;
this.memo = memo;
this.occurrence = occurrence;
this.createMonth = createMonth;
}

// creates calendar for the current month
function createMonth() {
var startDay = today.getDay(); // first day of the month
var monLength = monthLength(); // number of days in month
var lastDay = startDay+monLength-1; // last day of the month
monthEvents = new Array(); // array to hold events for current month

// search through events for current month
for(i=0;i<eventsArray.length;i++) {
if(eventsArray[i].month == (curMonth+1) && (eventsArray[i].year == curYear || eventsArray[i].occurrence == "Annual")) {
monthEvents[monthEvents.length] = i;
}
else if(eventsArray[i].occurrence == "Monthly" || eventsArray[i].occurrence == "Weekly") {
monthEvents[monthEvents.length] = i;
}
}



var content = "<table class=\"calendar\" cellspacing=\"0\">";
// create headers
content += "<tr><th><a class=\"button\" href=\"javascript:void(prev())\"><img src=\"./images/cal_back.png\" border=\"0\"></a></th>";
content += "<th colspan=\"5\">" + monthsArray[curMonth] + " " + curYear + "</th>";
content += "<th><a class=\"button\" href=\"javascript:void(next())\"><img src=\"./images/cal_next.png\" border=\"0\"></a></th>\n</tr><tr>";
for(i=0;i<7;i++) {
content += "<th>" + daysArray[i] + "</th>";
}
content += "</tr><tr>";

// create main content of calendar
for(i=0;i<42;i++) {
var occ = "";
var occContent = "";
var curDay = i+1-startDay;
// check day against months events
for(j=0;j<monthEvents.length;j++) {
var occDate = new Date();
occDate.setDate(eventsArray[monthEvents[j]].day);
occDate.setMonth(eventsArray[monthEvents[j]].month);
occDate.setFullYear(eventsArray[monthEvents[j]].year);

if(curDay == eventsArray[monthEvents[j]].day && eventsArray[monthEvents[j]].occurrence != "Weekly") { // deal with day, monthly and annual events
occ = " class=\"occassion\"";
fullContent = eventsArray[monthEvents[j]].memo;
if(eventsArray[monthEvents[j]].memo.length > 1) {
occContent = fullContent.substr(0,1);
break;
}
else {
occContent = fullContent;
break;
}
}
else if(occDate.getDate() == (i%7) && eventsArray[monthEvents[j]].occurrence == "Weekly") { // deal with weekly events
occ = " class=\"occassion\"";
fullContent = eventsArray[monthEvents[j]].memo;
if(eventsArray[monthEvents[j]].memo.length > 1) {
occContent = fullContent.substr(0,1);
break;
}
else {
occContent = fullContent;
break;
}
}
}
if(i>lastDay && i==35) { // do not show last row if not needed
break;
}
if(i<startDay || i>lastDay) { // show blank cells before and after month
content += "<td class=\"blank\">&nbsp;</td>";
}
else {
if(!(i%7) || !((i+1)%7) ) { // get days of the weekend
if(!(i%7)&& i>0) {
content += "</tr><tr>";
}
if(occContent != " ") {
content += "<td class=\"giorno\" " + occ + ">"+curDay+"</td>";
}
else {
content += "<td" + occ + "><a href=\"javascript:void(alert('"+fullContent+"'));\">"+curDay+"</a></td>";
}
}
else {

if(occContent != " ") {
content += "<td class=\"giorno\" " + occ + ">"+curDay+"</td>";
}
else {
content += "<td" + occ + "><a href=\"javascript:void(alert('"+fullContent+"'));\">"+curDay+"</a></td>";
}
}
}
}
content += "</tr></table>";

return content;
}

// get length of month
function monthLength() {
monLength = 31;
if(curMonth == 3 || curMonth == 5 || curMonth == 8 || curMonth == 10) monLength = 30;
if(curMonth == 1) {
if(curYear%4) {
monLength = 28;
}
else {
monLength = 29;
}
}
return monLength;
}

function droplists() {
content = "<form name=\"calNav\" method=\"post\" action=\"\">";
content += "<select name=\"month\" style=\"display:none;\">";
for(i=0;i<12;i++) {
content += "<option value=\""+i +"\"";
if(i == curMonth) {
content += " selected=\"selected\"";
}
content += ">" + monthsArray[i] + "</option>";
}
content += "</select> <select name=\"year\" style=\"display:none;\">";
for(i=(nowYear-prevYears);i<=(nowYear+futureYears);i++) {
content += "<option value=\""+i +"\"";
if(i == curYear) {
content += " selected=\"selected\"";
}
content += ">" + i + "</option>";
}
content += "</select>\n<input type=\"hidden\" value=\"Go\" onclick=\"newMonth()\" />";
content += "</form>";
return content;
}

function newMonth() {
var mon = document.calNav.month.selectedIndex;
curMonth = parseInt(document.calNav.month.options[mon].value);
var yr = document.calNav.year.selectedIndex;
curYear = parseInt(document.calNav.year.options[yr].value);
today.setMonth(curMonth);
today.setFullYear(curYear);
document.getElementById("showCal").innerHTML = droplists() + createMonth();
}

// goto previous month
function prev() {
curMonth -= 1;
if(curMonth<0) {
curMonth=11;
if(curYear>(nowYear-prevYears)) {
curYear -= 1;
}
}
today.setMonth(curMonth);
today.setFullYear(curYear);
document.getElementById("showCal").innerHTML = droplists() + createMonth();
}

// goto next month
function next() {
curMonth += 1;
if(curMonth>11) {
curMonth=0;
if(curYear<(nowYear+futureYears)) {
curYear += 1;
}
}
today.setMonth(curMonth);
today.setFullYear(curYear);
document.getElementById("showCal").innerHTML = droplists() + createMonth();
}