var oldLink = null;
// 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;
}

// This function gets called when the end-user clicks on some date.
function selected(cal, date) {
  cal.sel.value = date; // just update the date in the input field.
  if (cal.fct!='')
  {
    fct=cal.fct+"('"+date+"','"+cal.sel.id+"')";
    eval(fct);
  }
   
  if (cal.dateClicked && (cal.sel.id == "sel1" || cal.sel.id == "sel3"))
    // if we add this call we close the calendar on single-click.
    // just to exemplify both cases, we are using this only for the 1st
    // and the 3rd field, while 2nd and 4th will still require double-click.
    cal.callCloseHandler();
}

// 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_popupBlueacaciacalendrier = 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 showBlueacaciacalendrier(id, format, showsTime, showsOtherMonths,fct) {
  var el = document.getElementById(id);
  if (_dynarch_popupBlueacaciacalendrier != null) {
    // we already have some calendar created
    _dynarch_popupBlueacaciacalendrier.hide();                 // so we hide it first.
  } else {
    // first-time call, create the calendar.
    var cal = new Blueacaciacalendrier(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_popupBlueacaciacalendrier = cal;                  // remember it in the global var
    cal.setRange(1990, 2070);        // min/max year allowed.
    cal.create();
  }
  _dynarch_popupBlueacaciacalendrier.setDateFormat(format);    // set the specified date format
  _dynarch_popupBlueacaciacalendrier.parseDate(el.value);      // try to parse the text in field
  _dynarch_popupBlueacaciacalendrier.sel = el;                 // inform it what input field we use
  if (fct)
     _dynarch_popupBlueacaciacalendrier.fct=fct;
  else
     _dynarch_popupBlueacaciacalendrier.fct='';
  // 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_popupBlueacaciacalendrier.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;
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 showFlatBlueacaciacalendrier() {
  var parent = document.getElementById("display");

  // construct a calendar giving only the "selected" handler.
  var cal = new Blueacaciacalendrier(1, null, flatSelected);

  // 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");

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

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