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;
}



function selected(cal, date) {
  // just update the date in the input field.

  if (cal.dateClicked && (cal.sel.id == "date" || cal.sel.id == "date2"))
  {
	cal.sel.value = date;
    cal.callCloseHandler();
  }
}



function closeHandler(cal) {
  cal.hide();                        // hide the calendar
//  cal.destroy();
  _dynarch_popupCalendar = null;
}

  var calendar ;
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.
     calendar = new Calendar(1, null, selected, closeHandler);
	 
    // uncomment the following line to hide the week numbers
    // cal.weekNumbers = false;
    if (typeof showsTime == "string") {
      calendar.showsTime = true;
      calendar.time24 = (showsTime == "24");
    }

    if (showsOtherMonths) {
      calendar.showsOtherMonths = true;
    }

    _dynarch_popupCalendar = calendar;                  // remember it in the global var
   	
   // calendar.setRange(1900, 2070);        // min/max year allowed.
   calendar.setDateStatusHandler(dateStatus);
  
  
    calendar.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

  _dynarch_popupCalendar.showAtElement(el, "Br");        // show the calendar
  return true;
}