====== PlanCalendar ======

Spouštění a parametry SP:

  * LuaForm.ShowPlanCalendar("Calendar_Name", CalendarXMLString, {Modal=false, Refresh=true, DruhField="WeekPlan", DruhValue=cf.FormatUnixDate(os.time()), LocateFields="AutoRefresh=300000"})
  * DruhField="Month|WeekPlan|WeekDetailPlan|DayPlan"
  * Refresh=true --zajistit refresh calendare pri otevreni okna