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) {
  cal.sel.value = date; // just update the date in the input field.
  if (cal.dateClicked && (cal.sel.id == "sel1" || cal.sel.id == "sel3"))
    cal.callCloseHandler();
}
function closeHandler(cal) {
  cal.hide();                        // hide the calendar
//  cal.destroy();
  calendar = null;
}

function showCalendar(id, format, showsTime, showsOtherMonths) {
  var el = document.getElementById(id);
  if (calendar != null) {
    calendar.hide();                 // so we hide it first.
  } else {
    var cal = new Calendar(true, null, selected, closeHandler);
    if (typeof showsTime == "string") {
      cal.showsTime = true;
      cal.time24 = (showsTime == "24");
    }
    if (showsOtherMonths) {
      cal.showsOtherMonths = true;
    }
    calendar = cal;                  // remember it in the global var
    cal.setRange(1300, 3000);        // min/max year allowed.
    cal.create();
  }
  calendar.setDateFormat(format);    // set the specified date format
  if(el.value=="")
	calendar.parseDate(todayhigri);     //parse todate higi date
  else		
	calendar.parseDate(el.value);      // try to parse the text in field
  calendar.sel = el;                 // inform it what input field we use
  calendar.showAtElement(el, myDir);        // 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 showFlatCalendar() {
  var parent = document.getElementById("display");
  var cal = new Calendar(true, null, flatSelected);
  cal.weekNumbers = false;
  cal.setDisabledHandler(isDisabled);
  cal.setDateFormat("%A, %B %e");
  cal.create(parent);
  cal.show();
}