/**
 *
 *  Kalendāra kods
 *
 **/
function positionInfo(object) {
  var p_elm=object

  this.getElementLeft=getElementLeft
  function getElementLeft(){
    var x=0
    var elm
    if(typeof(p_elm)=="object") {
      elm=p_elm
    }
    else {
      elm=document.getElementById(p_elm)
    }

    while(elm !=null) {
      x+=elm.offsetLeft
      elm=elm.offsetParent
    }
    return parseInt(x)
  }

  this.getElementWidth=getElementWidth
  function getElementWidth() {
    var elm
    if(typeof(p_elm)=="object") {
      elm=p_elm
    }
    else {
      elm=document.getElementById(p_elm)
    }
    return parseInt(elm.offsetWidth)
  }

  this.getElementRight=getElementRight
  function getElementRight() {
    return getElementLeft(p_elm)+getElementWidth(p_elm)
  }

  this.getElementTop=getElementTop
  function getElementTop() {
    var y=0
    var elm
    if(typeof(p_elm)=="object") {
      elm=p_elm
    }
    else {
      elm=document.getElementById(p_elm)
    }

    while(elm !=null) {
      y+=elm.offsetTop
      elm=elm.offsetParent
    }
    return parseInt(y)
  }

  this.getElementHeight=getElementHeight
  function getElementHeight() {
    var elm
    if(typeof(p_elm)=="object") {
      elm=p_elm
    }
    else {
      elm=document.getElementById(p_elm)
    }
    return parseInt(elm.offsetHeight)
  }

  this.getElementBottom=getElementBottom
  function getElementBottom() {
    return getElementTop(p_elm)+getElementHeight(p_elm)
  }
}

function CalendarControl() {
  var calendarId='PoliseBAN_Calendar'
  var currentYear=0
  var currentMonth=0
  var currentDay=0
  var selectedYear=0
  var selectedMonth=0
  var selectedDay=0

  var CalendarMonths = [];
  CalendarMonths[1] = ["Janvāris","Februāris","Marts","Aprīlis","Maijs","Jūnijs","Jūlijs","Augusts","Septembris","Oktobris","Novembris","Decembris"];
  CalendarMonths[2] = ["Январь","Февраль","Март","Апрель","Май","Июнь","Июль","Август","Сентябрь","Октябрь","Ноябрь","Декабрь"];
  CalendarMonths[3] = ["Jaanuar","Veebruar","Märts","Aprill","Mai","Juuni","Juuli","August","September","Oktoober","November","Detsember"];
  CalendarMonths[4] = ["January","February","March","April","May","June","July","August","September","October","November","December"];

  var CalendarClose = [];
  CalendarClose[1] = ["Aizvērt"];
  CalendarClose[2] = ["Закрыть"];
  CalendarClose[3] = ["Sulge"];
  CalendarClose[4] = ["Close"];

  var dateField=null
  function getProperty(p_property) {
    var p_elm=calendarId
    var elm=null
    if(typeof(p_elm)=="object") {
      elm=p_elm
    }
    else {
      elm=document.getElementById(p_elm)
    }

    if(elm !=null) {
      if(elm.style) {
        elm=elm.style
        if(elm[p_property]) {
          return elm[p_property]
        }
        else {
          return null
        }
      }
      else {
        return null
      }
    }
  }

  function setElementProperty(p_property,p_value,p_elmId) {
    var p_elm=p_elmId
    var elm=null
    if(typeof(p_elm)=="object") {
      elm=p_elm
    }
    else {
      elm=document.getElementById(p_elm)
    }
    if((elm !=null)&&(elm.style !=null)) {
      elm=elm.style
      elm[ p_property ]=p_value
    }
  }

  function setProperty(p_property,p_value) {
    setElementProperty(p_property,p_value,calendarId)
  }

  function getDaysInMonth(year,month) {
    return [31,((!(year % 4)&&((year % 100)|| !(year % 400)))?29:28),31,30,31,30,31,31,30,31,30,31][month-1]
  }

  function getDayOfWeek(year,month,day) {
    var date=new Date(year,month-1,day-1)
    return date.getDay()
  }

  this.setDate=setDate
  function setDate(year,month,day) {
    if(dateField) {
      if(month<10){month="0"+month;}
      if(day<10){day="0"+day;}
      var dateString=day+" / "+month+" / "+year;
      dateField.innerHTML = dateString;
      var dateString2=day+"/"+month+"/"+year;
      document.getElementById(dateField.id + '_h').value = dateString2;
      dateField.innerHTML=dateString;
      //CalcDays();
      toDate2(dateField.id + '_h');
      //CheckForm();
      check_fields_2();
      hide();
      //HideExplanation();
    }
    return;
  }

  this.changeMonth=changeMonth
  function changeMonth(change) {
    currentMonth+=change
    currentDay=0
    if(currentMonth>12) {
      currentMonth=1
      currentYear++
    }
    else if(currentMonth<1) {
      currentMonth=12
      currentYear--
    }
    calendar=document.getElementById(calendarId)
    calendar.innerHTML=calendarDrawTable()
  }

  this.changeYear=changeYear
  function changeYear(change) {
    currentYear+=change
    currentDay=0
    calendar=document.getElementById(calendarId)
    calendar.innerHTML=calendarDrawTable()
  }

  function getCurrentYear() {
    var year=new Date().getYear()
    if(year<1900)year+=1900
    return year
  }

  function getCurrentMonth() {
    return new Date().getMonth()+1
  }

  function getCurrentDay() {
    return new Date().getDate()
  }

  function calendarDrawTable() {
    var dayOfMonth=1
    var validDay=0
    var startDayOfWeek=getDayOfWeek(currentYear,currentMonth,dayOfMonth)
    var daysInMonth=getDaysInMonth(currentYear,currentMonth)
    var css_class=null
    var table="<div class='arr'></div><table cellspacing='0' cellpadding='0'><tr></th><th colspan='4'><a href='javascript:changeCalendarControlMonth(-1);'>&laquo;</a> <font style='font-size:12px'>"+CalendarMonths[LanguageID][currentMonth-1]+"</font> <a href='javascript:changeCalendarControlMonth(1);'>&raquo;</a></th><th colspan='3'><a href='javascript:changeCalendarControlYear(-1);'>&laquo;</a> <font style='font-size:16px'>"+currentYear+"</font> <a href='javascript:changeCalendarControlYear(1);'>&raquo;</a></tr><tr class='f'><th>Pr</th><th>Ot</th><th>Tr</th><th>Ct</th><th>Pk</th><th>Ss</th><th>Sv</th></tr>"
    for(var week=0;week<6;week++) {
      table=table+"<tr>"
      for(var dayOfWeek=0;dayOfWeek<7;dayOfWeek++) {
        if(week==0&&startDayOfWeek==dayOfWeek) {
          validDay=1
        }
        else if(validDay==1&&dayOfMonth>daysInMonth) {
          validDay=0
        }

        if(validDay) {
          if(dayOfMonth==selectedDay&&currentYear==selectedYear&&currentMonth==selectedMonth) {
            css_class='c'
          }
          else if(dayOfWeek==5 || dayOfWeek==6) {
            css_class='b'
          }
          else {
            css_class='a'
          }

          table=table+"<td class='"+css_class+"'><a href=\"javascript:setCalendarControlDate("+currentYear+","+currentMonth+","+dayOfMonth+")\">"+dayOfMonth+"</a></td>"
          dayOfMonth++
        }
        else {
          table=table+"<td class='e'>&nbsp;</td>"}
      }
      table=table+"</tr>"
    }
    table=table+"<tr><th colspan='7'><a href='javascript:hideCalendarControl();'>"+CalendarClose[LanguageID]+"</a></th></tr></table>"
    return table
  }

  this.show=show
  function show(field) {
    can_hide=0
    if(dateField==field) {
      return
    }
    else {
      dateField=field
    }

    if(dateField) {
      try {
        var dateString = document.getElementById(dateField.id + '_h').value
        //var dateString=new String(dateField.value)
        var dateParts=dateString.split("/")
        selectedDay=parseInt(dateParts[0],10)
        selectedMonth=parseInt(dateParts[1],10)
        selectedYear=parseInt(dateParts[2],10)
      }
      catch(e){}
    }

    if(!(selectedYear&&selectedMonth&&selectedDay)) {
      selectedMonth=getCurrentMonth()
      selectedDay=getCurrentDay()
      selectedYear=getCurrentYear()
    }

    currentMonth=selectedMonth
    currentDay=selectedDay
    currentYear=selectedYear
    if(document.getElementById) {
      calendar=document.getElementById(calendarId)
      calendar.innerHTML=calendarDrawTable(currentYear,currentMonth)
      setProperty('display','block')
      var fieldPos=new positionInfo(dateField)
      var calendarPos=new positionInfo(calendarId)
      var x=fieldPos.getElementLeft()
      var y=fieldPos.getElementBottom()
      setProperty('left',x+"px")
      y = Number(y) - 236;
      setProperty('top',y+"px")
      if(document.all) {
        setElementProperty('display','block','calf')
        setElementProperty('left',x+"px",'calf')
        setElementProperty('top',y+"px",'calf')
        setElementProperty('width',calendarPos.getElementWidth()+"px",'calf')
        setElementProperty('height',calendarPos.getElementHeight()+"px",'calf')
      }
    }
  }

  this.hide=hide
  function hide() {
    if(dateField) {
      setProperty('display','none')
      setElementProperty('display','none','calf')
      dateField=null
    }
  }

  this.visible=visible
  function visible() {
    return dateField
  }

  this.can_hide=can_hide
  var can_hide=0
}

var calendarControl=new CalendarControl()
function Calendar(textField) {
  calendarControl.show(textField)
  //document.getElementById('Expl_overlay').style.height = $(document).height() + "px";
	//document.getElementById('Expl_overlay').className = 'expl_overlayBG';
}

function hideCalendarControl() {
  if(calendarControl.visible()) {
    calendarControl.hide()
  }
}

function setCalendarControlDate(year, month, day) {
	calendarControl.setDate(year,month,day)
	//CalcEndDate(document.getElementById('DateFrom_h').value, document.getElementById('Days').value)
	toDate2('edit1_h');
	dateValidator();
}

function changeCalendarControlYear(change) {
  calendarControl.changeYear(change)
}
function changeCalendarControlMonth(change) {
  calendarControl.changeMonth(change)
}

document.write("<div id='PoliseBAN_Calendar'></div>");