/******************************************************
* EventToolbar
******************************************************/
function EventToolbar(element)
{  
    this._calendar = null;
    this._element = null;
    this._startTime = null;
    this._endTime = null;
    this._date = null;
}

EventToolbar._instance = new Array();

EventToolbar.getInstance = function(idCalendar)
{
   if (EventToolbar._instance[idCalendar] == null)
   {
       EventToolbar._instance[idCalendar] = new EventToolbar();
   }
   return EventToolbar._instance[idCalendar];
}

EventToolbar.prototype.Init = function(idCalendar)
{
   this._calendar = idCalendar;
   this._element = _$('idEventToolbar' + idCalendar);   
   if( this._element != null)
   {
      EventToolbar.getInstance(idCalendar)._element._popupEntity = this;   
   }
}
      
EventToolbar.prototype.show = function(idCalendar, x, y, rowindex, offsetParentX)
{
   EventToolbar.getInstance(idCalendar).Init(idCalendar);
   if(EventToolbar.getInstance(idCalendar)._element.style.display == 'block')
   {
      return;
   }   
   Proxy.getInstance().GetCalendarsList(true, _$(idCalendar).getAttribute('siteSettings'), _$(idCalendar).getAttribute('viewSettingPath'), 
        function(list)
        {
           if( list != null && list.length > 0)
           {
                EventToolbar.getInstance().fillCalendarsList(list, idCalendar);
                var _helper = TimeHelper.getInstance(_$(idCalendar));
                
                var startTime = getFormatDate(addHours(_helper.indexToTime(rowindex), 0));
                var endTime = getFormatDate(addHours(_helper.indexToTime(rowindex), 1));
                             
                EventToolbar.getInstance(idCalendar)._date = _helper.posToDate(x);

                if (rowindex == 46)     
                {
                    startTime = "22:30";
                    endTime = "23:30";
                }
                              
                EventToolbar.getInstance(idCalendar)._startTime = startTime;
                EventToolbar.getInstance(idCalendar)._endTime = endTime;
                
                var tmpTbl = _helper.getDayTblFromX(x);
                var coor = _helper.timeToPosY(startTime) - _helper._scroll.scrollTop;
                
                var bottom = _helper._scroll.parentNode.offsetHeight;
                if (coor < _helper._scroll.offsetTop)
                {
                    coor = 0;
                }else if (coor > bottom - _helper._scroll.parentNode.offsetTop - 45)
                {
                    coor = bottom - 45;
                }
                
                EventToolbar.getInstance(idCalendar)._element.style.top = coor + "px";
                
                coor = findAbsPosX(tmpTbl) - offsetParentX;
                if (coor >  _helper._scroll.offsetWidth - 150)
                {
                   coor = _helper._scroll.offsetWidth - 150;
                }
                
                EventToolbar.getInstance(idCalendar)._element.style.left    = coor + "px";
                EventToolbar.getInstance(idCalendar)._element.style.zIndex  = 10000;
                EventToolbar.getInstance(idCalendar)._element.style.display = "block";

                if( EventWizard.getInstance()._element == null)
                {
                  _$('idExpandButton' + idCalendar).style.display = 'none';
                }

           }            
        })
}

EventToolbar.prototype.fillCalendarsList = function(list, idCalendar)
{
   var calsList = _$('idCalendarsList' + idCalendar);   
   calsList.innerHTML = "";
   for(var i = 0; i < list.length - 1; i = i + 2)
   {
      var option = document.createElement("OPTION");
      option.value = list[i+1]; 
      option.text = list[i];
      if (calsList.options.add)
      {
         calsList.options.add(option);
      }
      else
      {
         calsList.add(option);
      }
   }
}

EventToolbar.prototype.dispatchMessage = function(idCalendar, message)
{
   if( message == "event:cancel" )
   {
      EventToolbar.getInstance(idCalendar)._element.style.display = 'none';
      return;
   }
   
   var evnt = new Sitecore.Modules.EventCalendar.Objects.Event(); 
   evnt.Title       =  Validator.getInstance().Sanitize(_$('idEventTitle' + idCalendar).value); 
   evnt.StartDate   =  EventToolbar.getInstance(idCalendar)._date;
   evnt.EndDate     =  null;
   evnt.StartTime   =  getFormatDate(EventToolbar.getInstance(idCalendar)._startTime);
   evnt.EndTime     =  getFormatDate(EventToolbar.getInstance(idCalendar)._endTime);
 
   if( message == "event:create" && Validator.getInstance().IsEmpty(_$('idEventTitle' + idCalendar)))
   {
      EventToolbar.getInstance(idCalendar)._element.style.display = 'none';
      Proxy.getInstance().CreateEvent( evnt, null, _$('idCalendarsList' + idCalendar).value, 
                                       _$(idCalendar).getAttribute('siteSettings'), 
                                       _$(idCalendar).getAttribute('viewSettingPath'));
   }
   
   if( message == "event:expand" )
   { 
      EventToolbar.getInstance(idCalendar)._element.style.display = 'none';
      EventWizard.getInstance().CreateEvent(null, EventToolbar.getInstance(idCalendar)._date, evnt, 
                                            _$('idCalendarsList' + idCalendar).value,
                                            _$(idCalendar).getAttribute('siteSettings'), 
                                            _$(idCalendar).getAttribute('viewSettingPath'));  
   }
}

/******************************************************
* EventWizard
******************************************************/
function EventWizard()
{
   this.init();

   if( this._element != null)
   {
      this._element._eventWizardEntity = this;
   }

   this._forceReadOnly = false;
}

EventWizard._instance = null;

EventWizard.getInstance = function()
{
   if(EventWizard._instance == null)
   {  
      EventWizard._instance = new EventWizard();
   }
   
   return EventWizard._instance;
}

EventWizard.prototype.init = function()
{
   this._evManagerID = null;
   this._element = _$('idEventWizard');
   this._panel   = _$('idEventWizardPanel');
   this._modalBackground = _$('idModalBackground');
   this._eventID = _$('idEventID_hidden');
   this._siteSettings = null;
   this._viewSettings = null;
}

EventWizard.prototype.ExpandEvent = function(element, siteSettings, viewSettings)
{  
   _$('idBtnDelete').style.visibility = '';
   var forceReadOnly = element.parentNode.getAttribute('readonly');
   this._siteSettings = siteSettings;
   this._viewSettings = viewSettings;
   EventWizard.getInstance().show( element.getAttribute('eventID'), false, forceReadOnly );
}

EventWizard.prototype.CreateEvent = function(event, date, evnt, id, siteSettings, viewSettings)
{  
   _$('idBtnDelete').style.visibility = "hidden";
   
   EventWizard.getInstance()._evManagerID = null;         
   if( evnt != null)
   {
      if (id != null)
      {
          EventWizard.getInstance()._evManagerID = id;         
      }
   }
   
   this._siteSettings = siteSettings;
   this._viewSettings = viewSettings;
   
   Proxy.getInstance().GetCalendarsList(true, siteSettings, viewSettings, EventWizard.getInstance().onCalsListLoadedNew)
  
   this.setDefaults(date);
   if( evnt != null)
   {
      if( evnt.Title != null)
      {
         _$('idSubject').value   = evnt.Title;
      }

      _$('idStartTime').value =  evnt.StartTime;
        
      var i = evnt.StartTime.indexOf(':');
      
      if (evnt.StartTime == null || evnt.StartTime == "")
      {
          _$('idStartTime').value = "09:00";
          _$('idEndTime').value = "09:30";
      }
      else
      {      
          _$('idStartTime').value = getFormatDate(evnt.StartTime);
          if (_$('idStartTime').value == "")
          {
              _$('idStartTime').value = "09:00";
          }
          _$('idEndTime').value = getFormatDate(evnt.EndTime);
      }
                      
      var hours = parseInt( evnt.StartTime.substring(0, i));
      if( hours > 23)
      {
         evnt.StartTime = "23:00";
         _$('idStartTime').value = evnt.StartTime;
         _$('idEndTime').value = "23:30"
  
      }

   }
   event = event || window.event;

   if (event != null)
   {
       if(event.stopPropagation) 
       {
          event.stopPropagation();
       }
       else
       {
          event.cancelBubble = true;
       }
   }
}

EventWizard.prototype.Save = function()
{ 
   if( _$('idBtnSave').disabled == true || _$('idBtnSave').disabled == "true" )
   {
      return;
   }

   if( this.validate() != true)
   {
      return;
   }
   
   var evnt = new Sitecore.Modules.EventCalendar.Objects.Event(); 

   evnt.Title       =  _$('idSubject').value; 
   evnt.Description =  _$('idDescription').value; 
   evnt.StartDate   =  _$('idStartDate').value; 
   evnt.EndDate     =  _$('idEndDate').value;
   evnt.StartTime   =  _$('idStartTime').value;
   evnt.EndTime     =  _$('idEndTime').value; 
   evnt.Location    =  _$('idLocation').value; 
   
   var schedule = null;
   var updateSeries = false;

   if( EventWizard.getInstance().IsRecurrent() == true)
   {
      schedule = new Sitecore.Modules.EventCalendar.Objects.Schedule(); 
      
      if( _$('idScheduleID_hidden').value.length > 0)
      {
         schedule.ID = _$('idScheduleID_hidden').value; 

         if(window.confirm("Do you want to update the series?") == true)
         {
            updateSeries = true;
         }
      }
      else
      {
         updateSeries = true;
      }
      
      EventWizard.getInstance().saveRecurrence(schedule);
   }
   
   
   if( _$('idEventID_hidden').value.length > 0 )
   {

      evnt.ID = _$('idEventID_hidden').value;

      Proxy.getInstance().SaveEventInfo(evnt, schedule, _$('idCalendar').value, updateSeries,
                                        this._siteSettings, this._viewSettings);
   }
   else
   {
      Proxy.getInstance().CreateEvent( evnt, schedule, _$('idCalendar').value, 
                                       this._siteSettings, this._viewSettings);
   }

   EventWizard.getInstance().doBlink();
   EventWizard.getInstance().Hide();
}


EventWizard.prototype.Clear = function()
{
   if( _$('idBtnClear').disabled == true || _$('idBtnClear').disabled == "true" )
   {
      return;
   }

   if(window.confirm("Do you want to restore Event's fields?") == true)
   {
      this.doBlink();
      this.setDefaults();
   }   
}

EventWizard.prototype.DeleteEvent = function()
{
   if( _$('idBtnDelete').disabled == true || _$('idBtnDelete').disabled == "true"  )
   {
      return;
   }

   if( EventWizard.getInstance().IsRecurrent() == true)
   {
      if( window.confirm("It is a recurrent event. Do you want to delete the series?") == true)
      {
         Proxy.getInstance().DeleteEvent( this._eventID.value, true);
      }
      else
      {
         Proxy.getInstance().DeleteEvent( this._eventID.value, false);
      }
      
      this.Hide();
      return;
   }
   

   if( window.confirm("Do you want to delete Event?") == true)
   {
      Proxy.getInstance().DeleteEvent( this._eventID.value, false);

      this.Hide();
   }
}

EventWizard.prototype.IsRecurrent = function()
{
//   if( _$('idScheduleID_hidden').value.length > 0)
//   {
//      return true;
//   }

   return false;//_$('idRecurOnce').checked != true;
}

EventWizard.prototype.Hide = function()
{ 
   this.init();

   this._element.style.display = 'none'; 
   this._intervalID = null;  
   this._modalBackground.style.display = 'none';
   _$('idScheduleID_hidden').value = '';
   _$('idCalendarID_hidden').value = '';
   
   this.setDefaults();
}


EventWizard.prototype.showAnimated = function()
{   
   if( this._element.style.display == 'block')
   {
      return;
   }

   if( IsIE() != true)
   {
      this._panel.style.oldBackgroundColor = this._panel.style.backgroundColor;      
      this._element.style.display = 'block';
      this._element.style.top =  this._modalBackground.ownerDocument.documentElement.scrollTop + 50+ "px";
      this._element.style.left = (this._modalBackground.ownerDocument.documentElement.clientWidth - this._panel.offsetWidth) / 2 + "px";

      this.makeModal();
      return;
   }

   this._element.style.top = 70 + document.documentElement.scrollTop + "px";
   this._element.style.left = "0px";
   this._element.style.display = 'block';
   
   var centerX = ( document.documentElement.clientWidth - this._panel.offsetWidth) / 2;
   var centerY =   document.documentElement.scrollTop + 50;
  
   var func = "EventWizard.getInstance().animate(" + centerX + "," 
                                                   + centerY + ")";

   this._panel.style.oldBackgroundColor = this._panel.style.backgroundColor;
    
   this._intevalID = window.setInterval( func , 1); 
}


EventWizard.prototype.show = function(eventID, isNew, forceReadOnly)
{
   this._eventID.value = eventID;

   if( forceReadOnly == "True")
   {
      this._forceReadOnly = forceReadOnly;
   }

   if( isNew == true )
   {
      EventWizard.getInstance().showAnimated();
   }
   else
   {
      this.load();
   }
}

EventWizard.prototype.load = function()
{
   Proxy.getInstance().GetEventInfo(this._eventID.value, this.onEventLoadComplete);
}

EventWizard.prototype.onEventLoadComplete = function(evnt)
{
   _$('idSubject').value     = evnt.Title;
   _$('idStartDate').value   = evnt.StartDate;
   _$('idStartTime').value   = evnt.StartTime;   
   _$('idEndDate').value     = evnt.EndDate = null ? evnt.StartDate : evnt.EndDate;
   _$('idEndTime').value     = evnt.EndTime = null ? evnt.StartTime : evnt.EndTime;
   _$('idDescription').value = evnt.Description;
   _$('idLocation').value    = evnt.Location;

   if( evnt.ReadOnly == true || EventWizard.getInstance()._forceReadOnly == "True")
   {
      _$('idBtnSave').style.visibility = 'hidden';
      _$('idBtnClear').style.visibility = 'hidden';
      _$('idBtnDelete').style.visibility = 'hidden';
      _$('idDescription').readOnly = "true";
      _$('idSubject').readOnly     = "true";
      _$('idLocation').readOnly    = "true";
      _$('idStartDate').readOnly   = "true";   
      _$('idEndDate').readOnly     = "true";   
      _$('idEndTime').disabled   = "true";
      _$('idStartTime').disabled = "true";
      _$('idCalendar').disabled  = "true";
      _$('idImgCalPopupStart').disabled = "true";
      _$('idImgCalPopupEnd').disabled   = "true";
   }


   if(evnt.IsRecurrentEvent == true)
   {
      Proxy.getInstance().GetScheduleInfo( evnt.ScheduleID, 
                                           EventWizard.getInstance().OnScheduleLoadComplete);
   }
   else
   {
      _$('idRecurOnce').checked = true;
   }
  
   Proxy.getInstance().GetCalendarsList(!evnt.ReadOnly, EventWizard.getInstance()._siteSettings, EventWizard.getInstance()._viewSettings, 
                                         EventWizard.getInstance().onCalsListLoadedExpand);
}

EventWizard.prototype.onCalsListLoadedExpand = function(list)
{  
   EventWizard.getInstance().fillCalendarsList(list);

   Proxy.getInstance().GetCalendar( _$('idEventID_hidden').value, 
                                    EventWizard.getInstance()._siteSettings, EventWizard.getInstance()._viewSettings,
                                    EventWizard.getInstance().OnCalendarLoadComplete);
}

EventWizard.prototype.OnCalendarLoadComplete = function(calendar)
{ 
   if( _$('idCalendar') == null )
   {
      return;
   }

   if ( _$('idCalendar').options.length > 0)
   {
      _$('idCalendar').value = calendar.IDKey;
   } 
   
   _$('idCalendarID_hidden').value = calendar.IDKey;      

   EventWizard.getInstance().showAnimated();
   Proxy.getInstance().stopProgress();
}

EventWizard.prototype.OnScheduleLoadComplete = function(schedule)
{
   if( schedule == null)
   {
       return;
   }

   _$('idScheduleID_hidden').value = schedule.ID; 

   EventWizard.getInstance().loadRecurrence(schedule);
}

EventWizard.prototype.onCalsListLoadedNew = function(list)
{
   if( list != null && list.length > 0)
   {
      EventWizard.getInstance().fillCalendarsList(list);
      EventWizard.getInstance().show("",true);
   }

   Proxy.getInstance().stopProgress();
}

EventWizard.prototype.fillCalendarsList = function(list)
{
   _$('idCalendar').innerHTML = "";
   for(var i=0; i< list.length-1; i = i + 2)
   {
      var option = document.createElement("OPTION");
      option.value = list[i+1]; 
      option.text = list[i];
      if (_$('idCalendar').options.add)
      {
         _$('idCalendar').options.add(option);
      }
      else
      {
         _$('idCalendar').add(option);
      }
   }

   if (EventWizard.getInstance()._evManagerID != null)
   {
       _$('idCalendar').value = EventWizard.getInstance()._evManagerID;
       _$('idCalendarID_hidden').value = EventWizard.getInstance()._evManagerID;
       EventWizard.getInstance()._evManagerID = null;
   }    
}

EventWizard.prototype.animate = function(limitX, limitY )
{
   var elY = parseInt(this._element.style.top);
   var elX = parseInt(this._element.style.left);
   
   var step = 30;
   
   if( elX < limitX)
   {
      this._element.style.left = elX + step;
   }
   else 
   {
      window.clearInterval( this._intevalID );
      this.makeModal();
      this._intervalID = null;
      this._panel.style.backgroundColor = this._panel.style.oldBackgroundColor;
   }
}


EventWizard.prototype.makeModal = function()
{
   if( this._modalBackground != null)
   {
      this._modalBackground.style.display = 'block'; 

      var width = 0;
      var height = 0;
      if( this._modalBackground.ownerDocument != null)
      {
         if(this._modalBackground.ownerDocument.clientWidth)
         {
            width = this._modalBackground.ownerDocument.clientWidth + "px";
         }
         else
         {
            width = this._modalBackground.ownerDocument.documentElement.clientWidth + "px";
         }
      }
      else
      {
         width = this._modalBackground.document.documentElement.clientWidth + "px";
      }

      this._modalBackground.style.width = width;
      this._modalBackground.style.height = document.documentElement.scrollHeight + "px";
   }
}


EventWizard.prototype.doBlink = function()
{
   this._panel.style.oldBackgroundColor = this._panel.style.backgroundColor;
   this._panel.style.backgroundColor = "#ffe7bb";
   this._intervalID = window.setTimeout("EventWizard.getInstance().blinkEffect()",150);
}


EventWizard.prototype.blinkEffect = function()
{
   window.clearTimeout( this._intevalID );
   this._intervalID = null;
   this._panel.style.backgroundColor = this._panel.style.oldBackgroundColor;
}


EventWizard.prototype.showCalendar = function(control)
{
    var dateCtrl = eval( "_$('"+control+"')");
       
       var url = '/sitecore%20modules/shell/sitecore.calendar/controls/calendarpopup.aspx';
       
       var date = dateCtrl.value;
            
       var queryString = '?controlID='+control+'&date='+date;

       var features;
       if (IsIE7())
       {
           features = 'help:no;dialogWidth:175px;dialogHeight:150px;status:no;scroll:no;';  
       }
       else
       {
           features = 'help:no; dialogHeight:175px; dialogWidth:160px; status: no;scroll:no;';
       }
       
       if(window.showModalDialog)
       {
          window.showModalDialog(url + queryString, self, features);
       }
       else 
       {
          var left = (screen.availWidth - 150)/2 + 'px';
          var top  = (screen.availHeight - 50)/2 + 'px';      
          window.open(url+queryString,'Date_Picker','width=152,height=150,top='+top+',left='+left+
                        'toolbar=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no');
                        //'toolbar=yes,directories=yes,status=yes,menubar=yes,scrollbars=yes,resizable=yes');
      }
 //  }
}


EventWizard.prototype.switchTab = function(active)
{
   _$('idReoccur').className='eventWizardTab'; 
   _$('idDetails').className='eventWizardTab';
   
   eval( '_$("' + active +'").className = "eventWizardTabActive"');
   
   switch(active)
   {
      case 'idDetails':
         _$('idDetailsTable').style.display = 'block';
         _$('idReoccurTable').style.display = 'none';
         break;
      case 'idOptions':
         _$('idDetailsTable').style.display = 'none';
         _$('idReoccurTable').style.display = 'none';
         break;
      case 'idReoccur':
         _$('idDetailsTable').style.display = 'none';
         _$('idReoccurTable').style.display = 'block';
         break;
      default:
         break;
   }
}


EventWizard.prototype.onClickRecur = function(element)
{
   switch(element.id)
   {
      case 'idRecurOnce':
         _$('idDayRecur').style.display   = 'none';
         _$('idWeekRecur').style.display  = 'none';
         _$('idMonthRecur').style.display = 'none';
         _$('idYearRecur').style.display  = 'none';
         break;
      case 'idRecurDaily':
         _$('idDayRecur').style.display   = 'block';
         _$('idWeekRecur').style.display  = 'none';
         _$('idMonthRecur').style.display = 'none';
         _$('idYearRecur').style.display  = 'none';
         break;
      case 'idRecurWeekly':
         _$('idDayRecur').style.display   = 'none';
         _$('idWeekRecur').style.display  = 'block';
         _$('idMonthRecur').style.display = 'none';
         _$('idYearRecur').style.display  = 'none';
         break;      
      case 'idRecurMonthly':
         _$('idDayRecur').style.display   = 'none';
         _$('idWeekRecur').style.display  = 'none';
         _$('idMonthRecur').style.display = 'block';
         _$('idYearRecur').style.display  = 'none';
         break;
      case 'idRecurYearly':
         _$('idDayRecur').style.display   = 'none';
         _$('idWeekRecur').style.display  = 'none';
         _$('idMonthRecur').style.display = 'none';
         _$('idYearRecur').style.display  = 'block';
         break;
      default:
         break;
   }
}


EventWizard.prototype.setDefaults = function(date)
{
   _$('idSubject').value      = "New Event";
   _$('idLocation').value     = "";

   if( date != null && date.length>0)
   {
      _$('idStartDate').value = date;
      _$('idEndDate').value   = date;  
   }
   else
   {  
      _$('idStartDate').value = getTodayDate();
      _$('idEndDate').value   = getTodayDate();
   }
 
   _$('idStartTime').value    = "09:00";   
   
   _$('idEndTime').value      = "09:30";
   _$('idDescription').value  = "";
   
   _$('idWeekRecurNum').value     = "1";
   _$('idDayRecurNum').value      = "1";
   _$('idDayOfWeekOrdinal').value = "0";
   _$('idPartOfWeek').value       = "1";
   _$('idMonthRecurWeekDayOrdinal').value  = "1";
   _$('idYearOccurMonth').value            = "1";
   _$('idYearOccurDay').value              = "1";
   
   _$('idRecurOnce').checked        = "checked";
   _$('idDayRecur').style.display   = 'none';
   _$('idWeekRecur').style.display  = 'none';
   _$('idMonthRecur').style.display = 'none';
   _$('idYearRecur').style.display  = 'none';

   _$('idBtnSave').style.visibility   = '';
   _$('idBtnClear').style.visibility  = '';
   _$('idDescription').readOnly = '';
   _$('idSubject').readOnly     = "";
   _$('idLocation').readOnly    = "";
   _$('idStartDate').readOnly   = "";   
   _$('idEndDate').readOnly     = "";   
   _$('idEndTime').disabled   = "";
   _$('idStartTime').disabled = "";
   _$('idCalendar').disabled  = "";
   _$('idImgCalPopupStart').disabled = "";
   _$('idImgCalPopupEnd').disabled   = "";

   EventWizard.getInstance()._forceReadOnly = "False";
}


EventWizard.prototype.validate = function()
{  
   return this.validateDetails() == true && this.validateRecurrence() == true;   
}


EventWizard.prototype.validateDetails = function()
{
   var validator = Validator.getInstance();

   if( validator.IsEmpty(_$('idSubject')) != true ||
       validator.IsEmpty(_$('idStartDate')) != true || 
       validator.IsEmpty(_$('idEndDate')) != true ) 
   {
      return false;
   }

   if( validator.IsValidDate(_$('idStartDate')) != true || 
       validator.IsValidDate(_$('idEndDate')) != true)
   {
      return false;
   }
   
   if( validator.validateDatesRange( _$('idStartDate'), _$('idEndDate')) != true)
   {
      return false;
   }
   
   if( validator.validateTimeRange( _$('idStartDate'), _$('idStartTime'), _$('idEndDate'), _$('idEndTime')) != true)
   {
      return false;
   }

   if(validator.validateFieldLength( _$('idSubject'), 200) != true)
   {
      return false;
   }

   if(validator.validateFieldLength( _$('idLocation'), 150) != true)
   {
      return false;
   }
   
   return true;
}


EventWizard.prototype.validateRecurrence = function()
{
   var validator = Validator.getInstance();

   if( _$('idRecurOnce').checked == true)
   {
      return true;
   }
   
   if( _$('idRecurDaily').checked == true)
   {
      if(validator.validate( _$('idDayRecurNum'), /^([1-9]|[1-9][0-9])$/, "Recurrence: Invalid format or 0!") != true)
      {
         EventWizard.getInstance().switchTab('idReoccur');
         return false;
      }

      return true;
   }
   
   if( _$('idRecurWeekly').checked == true)
   {
      if(validator.validate( _$('idWeekRecurNum'), /^([1-9]|[1-9][0-9])$/, "Recurrence: Invalid format or 0!") != true)
      {
         EventWizard.getInstance().switchTab('idReoccur');
         return false;
      }
   
      if( _$('idCheckMonday').checked != true    && _$('idCheckTuesday').checked != true &&
          _$('idCheckWednesday').checked != true && _$('idCheckThursday').checked != true &&
          _$('idCheckFriday').checked != true    && _$('idCheckSunday').checked != true &&
          _$('idCheckSaturday').checked != true )
      {
         alert('At least one day of week should be selected, e.g. Monday');
         EventWizard.getInstance().switchTab('idReoccur');
         return false;
      }
      
      return true;
   }

   if( _$('idRecurMonthly').checked == true)
   {
      if( validator.validate( _$('idMonthRecurWeekDayOrdinal'), /^([1-9]|[1-9][0-9])$/, "Invalid format or 0!") != true)
      {
         EventWizard.getInstance().switchTab('idReoccur');
         return false;
      }
   
      return true;
   }
   
   if( _$('idRecurYearly').checked == true)
   {
      if(validator.validate( _$('idYearOccurDay'), /^([1-9]|[1-9][0-9])$/, "Invalid format or 0!") != true)
      {
         EventWizard.getInstance().switchTab('idReoccur');
         return false;
      }

      return true;
   }

   return true;
}

EventWizard.prototype.loadRecurrence = function(schedule)
{
   if(schedule == null)
   {
      return;
   }

   switch(schedule.Recurrence)
   {
      case Recurrence.Daily:
         _$('idDayRecur').style.display   = 'block';
         _$('idWeekRecur').style.display  = 'none';
         _$('idMonthRecur').style.display = 'none';
         _$('idYearRecur').style.display  = 'none';

         _$('idDayRecurNum').value = schedule.Frequency;
         _$('idRecurDaily').checked = true;

         break;
      case Recurrence.Weekly:
         _$('idDayRecur').style.display   = 'none';
         _$('idWeekRecur').style.display  = 'block';
         _$('idMonthRecur').style.display = 'none';
         _$('idYearRecur').style.display  = 'none';

         _$('idWeekRecurNum').value = schedule.Frequency;
         _$('idRecurWeekly').checked = true;

         EventWizard.getInstance().loadDaysOfWeek(schedule);

         break;
      case Recurrence.Monthly:
         _$('idDayRecur').style.display   = 'none';
         _$('idWeekRecur').style.display  = 'none';
         _$('idMonthRecur').style.display = 'block';
         _$('idYearRecur').style.display  = 'none';
        
         _$('idRecurMonthly').checked = true;

         EventWizard.getInstance().loadSequence(schedule);

         break;
      case Recurrence.Yearly:
         _$('idDayRecur').style.display   = 'none';
         _$('idWeekRecur').style.display  = 'none';
         _$('idMonthRecur').style.display = 'none';
         _$('idYearRecur').style.display  = 'block';

         _$('idRecurYearly').checked = true;

         _$('idYearOccurMonth').value = schedule.Month;
         _$('idYearOccurDay').value = schedule.Frequency;

         break;
      default:
         _$('idDayRecur').style.display   = 'none';
         _$('idWeekRecur').style.display  = 'none';
         _$('idMonthRecur').style.display = 'none';
         _$('idYearRecur').style.display  = 'none';
         _$('idYearOccurDay').value = schedule.Frequency ;
         _$('idRecurOnce').checked = true;
         break;
   } 
}

EventWizard.prototype.saveRecurrence = function(schedule)
{
   if(schedule == null)
   {
      return;
   }
   
   if( _$('idRecurOnce').checked == true)
   {
      schedule.Recurrence = Recurrence.None;
      return;
   }
   
   if( _$('idRecurDaily').checked == true)
   {
      schedule.Recurrence = Recurrence.Daily;
      schedule.Frequency = _$('idDayRecurNum').value;
      return;
   }
     
   if( _$('idRecurWeekly').checked == true)
   {
      schedule.Recurrence = Recurrence.Weekly;
      schedule.Frequency = _$('idWeekRecurNum').value;

      EventWizard.getInstance().saveDaysOfWeek(schedule);
     
      return;
   }
   
   if( _$('idRecurMonthly').checked == true)
   {
      schedule.Recurrence = Recurrence.Monthly;      
      EventWizard.getInstance().saveSequence(schedule);

      return;
   }
   
   if( _$('idRecurYearly').checked == true)
   {
      schedule.Recurrence = Recurrence.Yearly;    
      schedule.Month = _$('idYearOccurMonth').value;
      schedule.Frequency = _$('idYearOccurDay').value;

      return;
   }
}

EventWizard.prototype.loadDaysOfWeek = function(schedule)
{
   if(schedule == null)
   {
      return;
   }

   if( ( schedule.DaysOfWeek & DaysOfWeek.Monday) == DaysOfWeek.Monday )
   {
      _$('idCheckMonday').checked = true;
   }  
   if( (schedule.DaysOfWeek & DaysOfWeek.Tuesday) == DaysOfWeek.Tuesday)
   {
      _$('idCheckTuesday').checked = true;
   }

   if( (schedule.DaysOfWeek & DaysOfWeek.Wednesday) == DaysOfWeek.Wednesday)
   {
      _$('idCheckWednesday').checked = true;
   }

   if( (schedule.DaysOfWeek & DaysOfWeek.Thursday) == DaysOfWeek.Thursday)
   {
      _$('idCheckThursday').checked = true;
   }   

   if( (schedule.DaysOfWeek & DaysOfWeek.Friday) == DaysOfWeek.Friday)
   {
      _$('idCheckFriday').checked = true;
   }   

   if( (schedule.DaysOfWeek & DaysOfWeek.Saturday) == DaysOfWeek.Saturday)
   {
      _$('idCheckSaturday').checked = true;
   }     

   if( (schedule.DaysOfWeek & DaysOfWeek.Sunday) == DaysOfWeek.Sunday)
   {
      _$('idCheckSunday').checked = true;
   }        
}

EventWizard.prototype.saveDaysOfWeek = function(schedule)
{
   if(schedule == null)
   {
      return;
   }

   schedule.DaysOfWeek = 0;

   if( _$('idCheckMonday').checked == true )
   {
      schedule.DaysOfWeek |= DaysOfWeek.Monday;
   }  
   if( _$('idCheckTuesday').checked == true )
   {
      schedule.DaysOfWeek |= DaysOfWeek.Tuesday;
   }

   if( _$('idCheckWednesday').checked == true )
   {
      schedule.DaysOfWeek |= DaysOfWeek.Wednesday;
   }

   if( _$('idCheckThursday').checked == true )
   {
      schedule.DaysOfWeek |= DaysOfWeek.Thursday;
   }   

   if( _$('idCheckFriday').checked == true )
   {
      schedule.DaysOfWeek |= DaysOfWeek.Friday;
   }   

   if( _$('idCheckSaturday').checked == true )
   {
      schedule.DaysOfWeek |= DaysOfWeek.Saturday;
   }     

   if( _$('idCheckSunday').checked == true )
   {
      schedule.DaysOfWeek |= DaysOfWeek.Sunday;
   }        
}

EventWizard.prototype.loadSequence = function(schedule)
{
   if( schedule == null)
   {
      return;
   }

   _$('idDayOfWeekOrdinal').value = schedule.Sequence;

   _$('idPartOfWeek').value = schedule.DaysOfWeek;

   _$('idMonthRecurWeekDayOrdinal').value = schedule.Frequency;
}

EventWizard.prototype.saveSequence = function(schedule)
{
   if (schedule == null)
   {
      return;
   }

   schedule.Sequence = parseInt( _$('idDayOfWeekOrdinal').value);
   
   schedule.DaysOfWeek = parseInt( _$('idPartOfWeek').value);

   schedule.Frequency = parseInt( _$('idMonthRecurWeekDayOrdinal').value);
}