//ajax
var http_request = false;

function makeRequest(url, idname) {
    http_request = false;

    if (window.XMLHttpRequest) { // Mozilla, Safari,...
        http_request = new XMLHttpRequest();
        if (http_request.overrideMimeType) {
            http_request.overrideMimeType('text/xml');
        }
    } else if (window.ActiveXObject) { // IE
    try {
        http_request = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
            try {
                http_request = new ActiveXObject("Microsoft.XMLHTTP");
                    } catch (e) {}
            }
    }

    if (!http_request) {
        alert('Cannot create an XMLHTTP instance');
        return false;
    }
    http_request.onreadystatechange = function() { alertContents(http_request, idname); };
    http_request.open('GET', url, true);
    http_request.send(null);
}

function alertContents(http_request, idname) {
    if (http_request.readyState == 4) {
        if (http_request.status == 200) {
            document.getElementById(idname).innerHTML = http_request.responseText;
        } else {
            alert('There was a problem with the request.');
        }
    }else{
        document.getElementById(idname).innerHTML = '<img src="/images/loading.gif" alt="" style="display: block; padding: 90px 0 0 85px;" />';
    }
}

///calendar////
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;
  if (cal.dateClicked && (cal.sel.id == "sel1" || cal.sel.id == "sel3"))
    cal.callCloseHandler();
}


function closeHandler(cal) {
  cal.hide();
  _dynarch_popupCalendar = null;
}


function showCalendar(id, format, showsTime, showsOtherMonths) {
  var el = document.getElementById(id);
  if (_dynarch_popupCalendar != null) {
    _dynarch_popupCalendar.hide();
  } else {
    var cal = new Calendar(1, null, selected, closeHandler);
    if (typeof showsTime == "string") {
      cal.showsTime = true;
      cal.time24 = (showsTime == "24");
    }
    if (showsOtherMonths) {
      cal.showsOtherMonths = true;
    }
    _dynarch_popupCalendar = cal;
    cal.setRange(1900, 2070);
    cal.create();
  }
  _dynarch_popupCalendar.setDateFormat(format);
  _dynarch_popupCalendar.parseDate(el.value);
  _dynarch_popupCalendar.sel = el;

  _dynarch_popupCalendar.showAtElement(el.nextSibling, "Br");

  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(0, null, flatSelected);

  cal.weekNumbers = false;

  cal.setDisabledHandler(isDisabled);
  cal.setDateFormat("%A, %B %e");

  cal.create(parent);

  cal.show();
}