//this table holds your special days, so that we can automatize
//things a bit:

var oldLink = null;

//this function returns true if the passed date is special
function dateIsSpecial(year, month, day) {
	var strano = year +''+month;
    var m = SPECIAL_DAYS[strano];
    if (!m) return false;
    for (var i in m) 
    	if (m[i] == day) 
    		return true;
    return false;
}

function dateAltSpecial(year, month, day){
	var strano = year +''+month;
	var m = SPECIAL_DAYS[strano];
	var t = TITULO_SPECIAL[strano];
	var str = "";
	if (!m) return "";
	for (var i in m) 
		if (m[i] == day) 
			str += t[i] + "\r\n";
	return str;
}
// this is the actual date status handler.  Note that it receives the
// date object as well as separate values of year, month and date, for
// your confort.
function dateStatusHandler(date, y, m, d) {
	if (dateIsSpecial(y, m, d))
		return "special";
	else return ''; // other dates are enabled
    // return true above if you want to disable other dates
}

function dateStatusAlt(date, y, m, d){
	if (dateIsSpecial(y, m, d))
		return dateAltSpecial(y,m,d);
	else return ''; // other dates are enabled
    // return true above if you want to disable other dates
}

// code to change the active stylesheet
function setActiveStyleSheet(link, title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
  if (oldLink) oldLink.style.fontWeight = 'normal';
  oldLink = link;
  link.style.fontWeight = 'bold';
  return false;
}

function dateChanged(cal) {
    // Beware that this function is called even if the end-user only
    // changed the month/year.  In order to determine if a date was
    // clicked you can use the dateClicked property of the calendar:
    if (cal.dateClicked) {
      // OK, a date was clicked, redirect to /yyyy/mm/dd/index.php
      var year = cal.date.getFullYear();
      var month = cal.date.getMonth();     // integer, 0..11
      var day = cal.date.getDate();      // integer, 1..31
      var m2 = month + 1;
      // redirect...
      
    var strano = year +''+month;
    var m = SPECIAL_DAYS[strano];
    var cont = NUM_CONTEUDOS[strano];
    if (!m) return false;
    for (var i in m) {
        if (m[i] == day){ 
        	SetCookie( 'selopt', 'texto23472' ); 
    		SetCookie( 'lastopend', 'opt23471' );
    		return window.location = "eventdisplay.do2?numero=" + cont[i];    		
        }
    }
    return false;      
    }
  };

// This function gets called when the end-user clicks on some date.
function selected(cal, date) {
	//call dateChange function to display content		
  	dateChanged(cal);		
  	
}

// And this gets called when the end-user clicks on the _selected_ date,
// or clicks on the "Close" button.  It just hides the calendar without
// destroying it.
function closeHandler(cal) {
  cal.hide();                        // hide the calendar
//  cal.destroy();
  _dynarch_popupCalendar = null;
}

// This function shows the calendar under the element having the given id.
// It takes care of catching "mousedown" signals on document and hiding the
// calendar if the click was outside.
function showCalendar(id, format, showsTime, showsOtherMonths) {
  var el = document.getElementById(id);
  if (_dynarch_popupCalendar != null) {
    // we already have some calendar created
    _dynarch_popupCalendar.hide();                 // so we hide it first.
  } else {
    // first-time call, create the calendar.
    var cal = new Calendar(1, null, selected, closeHandler);
    // uncomment the following line to hide the week numbers
    // cal.weekNumbers = false;
    if (typeof showsTime == "string") {
      cal.showsTime = true;
      cal.time24 = (showsTime == "24");
    }
    if (showsOtherMonths) {
      cal.showsOtherMonths = true;
    }
    _dynarch_popupCalendar = cal;                  // remember it in the global var
    cal.setRange(1990, 2070);        // min/max year allowed.
    cal.create();
  }
  _dynarch_popupCalendar.setDateFormat(format);    // set the specified date format
  _dynarch_popupCalendar.parseDate(el.value);      // try to parse the text in field
  _dynarch_popupCalendar.sel = el;                 // inform it what input field we use

  // the reference element that we pass to showAtElement is the button that
  // triggers the calendar.  In this example we align the calendar bottom-right
  // to the button.
  _dynarch_popupCalendar.showAtElement(el.nextSibling, "Br");        // show the calendar

  return false;
}

var MINUTE = 60 * 1000;
var HOUR = 60 * MINUTE;
var DAY = 24 * HOUR;
var WEEK = 7 * DAY;

// If this handler returns true then the "date" given as
// parameter will be disabled.  In this example we enable
// only days within a range of 10 days from the current
// date.
// You can use the functions date.getFullYear() -- returns the year
// as 4 digit number, date.getMonth() -- returns the month as 0..11,
// and date.getDate() -- returns the date of the month as 1..31, to
// make heavy calculations here.  However, beware that this function
// should be very fast, as it is called for each day in a month when
// the calendar is (re)constructed.
function isDisabled(date) {
  var today = new Date();
  return (Math.abs(date.getTime() - today.getTime()) / DAY) > 10;
}

function flatSelected(cal, date) {
  var el = document.getElementById("preview");
  el.innerHTML = date;
}

function showFlatCalendar() {
  var parent = document.getElementById("preview");
  
 

  
  // construct a calendar giving only the "selected" handler.
  var cal = new Calendar(0, null, selected);
  
  // hide week numbers
  cal.weekNumbers = false;

  // We want some dates to be disabled; see function isDisabled above
  //cal.setDisabledHandler(isDisabled);
  cal.setDateFormat("%A, %B %e");

  cal.setDateStatusHandler(dateStatusHandler);
  
  cal.setDateToolTipHandler(dateStatusAlt);
  // this call must be the last as it might use data initialized above; if
  // we specify a parent, as opposite to the "showCalendar" function above,
  // then we create a flat calendar -- not popup.  Hidden, though, but...
  cal.create(parent);

  // ... we can show it here.
  cal.show();
}