var oldLink = null;
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.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
    dateChanged(cal);
//  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(1900, 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 showFlatCalendar(id, holder, format, selectedHandler, ourDateStatusFunc) {
  var prnt = document.getElementById(holder);
  var element = document.getElementById(id);
  // construct a calendar giving only the "selected" handler.
  var cal = new Calendar(0, null, selectedHandler, null, ourDateStatusFunc);
  // hide week numbers
  cal.setDateFormat(format);
  cal.weekNumbers = false;
  cal.firstDayOfWeek = 1;
  cal.create(prnt);
  cal.singleClick =true;
  cal.parseDate(element.value);
 // cal.setDateStatusHandler(ourDateStatusFunc); // Añadido
  cal.show();
}


 function dateIsSpecial(year, month, day, fechas) { 	
	var fechas_aux = "/ "+fechas.join("/")+" /";
	var str = '/ '+day+'-'+(month+1)+'-'+year+' /';
	if (fechas_aux.search(str)>-1) {
		return true;
	}
	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:
    
  	// OK, a date was clicked
	/*var yearIni = cal.date.getFullYear();
	var monthIni = cal.date.getMonth(); // integer, 0..11
	var dayIni = cal.date.getDate();   // integer, 1..31*/
	
	var field = document.getElementById("ReservationRecoger");
    //alert(field.value);
	arrf = field.value.split('-');
	
	var field2 = document.getElementById("ReservationDevolver");
	depf = field2.value.split('-');
	//alert(field.value);
	//alert(field2.value);
	
    // Crea un Date con una fecha especifica (año, mes, día)
	var fechaInicial = new Date(arrf[2],arrf[1]-1,arrf[0]);
	var fechaFinal = new Date(depf[2],depf[1]-1,depf[0]);
    //alert(fechaInicial);
	var noches = restarFechas(fechaInicial,fechaFinal);
	 
	//alert(fechaInicial);
    var precio=document.getElementById('precio_carro').value;
    var total=precio * noches;
    
	document.getElementById('dias').value = noches;
    document.getElementById('total').value = total;
    
   
    /*Sql = "insert into params values(dias" & "'" & total & "'"
    Set MyRecordset = MyConn.Execute(sql)
    */
  };