var IE = /*@cc_on!@*/false;
var IE6 = (IE && (navigator['appVersion'].indexOf('MSIE 6') > 0)) ? true : false;

var datePickerDivID = "datepicker";
var iFrameDivID = "datepickeriframe";

var defaultDateSeparator = ".";
var defaultDateFormat = "ymd";
var dateSeparator = defaultDateSeparator;
var dateFormat = defaultDateFormat;
var datePickerMoveDown = 0;
var datePickerStatus = 0;
var thisDateField = "";
var first = 1;
var selectIsOpen = 0;

document.onclick = function(e) 
{
	//alert('click!');
	if(selectIsOpen == 1) return;
	
	if(datePickerStatus == 1)
	{
		var p = document.getElementById(datePickerDivID);
		var dX = e ? e.clientX + window.scrollX : event.clientX + window.scrollX;
		var dY = e ? e.clientY + window.scrollY : event.clientY + window.scrollY;
		var dL = p.style.left;
		dL = Math.round(dL.replace("px", ""));
		var dT = p.style.top;
		dT = Math.round(dT.replace("px", ""));
		if( (dX >= dL) && (dY >= dT) && ( dX <= (dL + 250) ) && (dY <= (dT + 200)) ) return;
		updateDateField(thisDateField.name);
	}
}

function displayDatePicker(dateFieldName, defaultDate, displayBelowThisObject, dtFormat, dtSep)
{
//	if (IE6) {return}

  if ((globals['szerzodo']=='ceg' && (dateFieldName.indexOf('dateBirthDate')>1 || dateFieldName.indexOf('dtBornDate')>1))
      || (globals['szerzbizt']=='true' && dateFieldName=='dateBiztositottSzuletes_0'))
  {
    return;
  }
  else
  {
  var targetDateField = document.getElementsByName (dateFieldName).item(0);
  thisDateField = targetDateField;

  if (!displayBelowThisObject)
    displayBelowThisObject = targetDateField;
 
  if (dtSep)
    dateSeparator = dtSep;
  else
    dateSeparator = defaultDateSeparator;
 
  if (dtFormat)
    dateFormat = dtFormat;
  else
    dateFormat = defaultDateFormat;
 
  var x = displayBelowThisObject.offsetLeft;
  var y = displayBelowThisObject.offsetTop + displayBelowThisObject.offsetHeight ;
 
  var parent = displayBelowThisObject;
  while (parent.offsetParent) {
    parent = parent.offsetParent;
    x += parent.offsetLeft;
    y += parent.offsetTop ;
  }
  y += datePickerMoveDown;
  datePickerStatus = 1;
  drawDatePicker(targetDateField, x, y, defaultDate);
  if(first == 1)
  {
	  first = 0;
	  updateDateField(dateFieldName);
	  displayDatePicker(dateFieldName, defaultDate, displayBelowThisObject, dtFormat, dtSep);
  }
  }
}

function drawDatePicker(targetDateField, x, y, defaultDate)
{
//  if(targetDateField.value == '') var dt = getFieldDate(defaultDate);
//    else 
   var dt = getFieldDate(targetDateField.value, defaultDate);
    
  if (!document.getElementById(datePickerDivID)) {

    var newNode = document.createElement("div");
    newNode.setAttribute("id", datePickerDivID);
    newNode.setAttribute("class", "dpDiv");
    newNode.setAttribute("style", "visibility: hidden;");
    document.body.appendChild(newNode);
  }

  var pickerDiv = document.getElementById(datePickerDivID);
  pickerDiv.style.position = "absolute";
  pickerDiv.style.left = x + "px";
  pickerDiv.style.top = y + "px";
  pickerDiv.style.visibility = (pickerDiv.style.visibility == "visible" ? "hidden" : "visible");
  pickerDiv.style.display = (pickerDiv.style.display == "block" ? "none" : "block");
  pickerDiv.style.zIndex = 10000;

  refreshDatePicker(targetDateField.name, dt.getFullYear(), dt.getMonth(), dt.getDate());
}

function displayYearSelect(dateFieldName, selectedYear, month)
{
	var HTML = "<select id=\"yearSelect\" onfocus=\"selectIsOpen = 1;\" onblur=\"selectIsOpen = 0;\" onchange=\"refreshDatePicker('" + dateFieldName + "', this.value, " + month +"); selectIsOpen = 0;\">";
	var Today = new Date();
	var lastYear = Today.getFullYear() + 1;
	var firstYear = Today.getFullYear() - 81;
	for(var I = firstYear; I <= lastYear; I ++)
	{
		HTML += "<option value='" + I + "'";
		if(I == selectedYear) HTML += " selected";
		HTML += ">" + I + "</option>";
	}
	HTML += "</select>";
	return HTML;
}

function refreshDatePicker(dateFieldName, year, month, day)
{
  var targetDateField = document.getElementsByName (dateFieldName).item(0);
  var thisDay = new Date();
 
  if ((month >= 0) && (year > 0)) {
    thisDay = new Date(year, month, 1);
  } else {
    day = thisDay.getDate();
    thisDay.setDate(1);
  }

  var crlf = "\r\n";
  var TABLE = "<table cols=7 class='dpTable' id='dpTableId'>" + crlf;
  var xTABLE = "</table>" + crlf;
  var TR = "<tr class='dpTR'>";
  var TR_title = "<tr class='dpTitleTR'>";
  var TR_days = "<tr class='dpDayTR'>";
  var TR_todaybutton = "<tr class='dpTodayButtonTR'>";
  var xTR = "</tr>" + crlf;
  var TD = "<td class='dpTD' onMouseOut='this.className=\"dpTD\";' onMouseOver=' this.className=\"dpTDHover\";' "; 
  var TD_title = "<td colspan=5 class='dpTitleTD'>";
  var TD_buttons = "<td class='dpButtonTD'>";
  var TD_todaybutton = "<td colspan=7 class='dpTodayButtonTD'>";
  var TD_days = "<td class='dpDayTD'>";
  var TD_selected = "<td class='dpDayHighlightTD' onMouseOut='this.className=\"dpDayHighlightTD\";' onMouseOver='this.className=\"dpTDHover\";' "; 
  var xTD = "</td>" + crlf;
  var DIV_title = "<div class='dpTitleText'>";
  var DIV_selected = "<div class='dpDayHighlight'>";
  var xDIV = "</div>";

  var html = TABLE;

  html += TR_title;
  html += TD_buttons + getButtonCode(dateFieldName, thisDay, -1, "&lt;") + xTD;
  html += TD_title + DIV_title + displayYearSelect(dateFieldName, thisDay.getFullYear(), thisDay.getMonth()) + " " + monthArrayLong[ thisDay.getMonth()] + xDIV + xTD;
  html += TD_buttons + getButtonCode(dateFieldName, thisDay, 1, "&gt;") + xTD;
  html += xTR;

  html += TR_days;
  for(i = 1; i < dayArrayShort.length; i++)
    html += TD_days + dayArrayShort[i] + xTD;
  html += xTR;

  html += TR;

  if(thisDay.getDay() != 0) var upto = thisDay.getDay();
  	else var upto = 7;
  for (i = 1; i < upto; i++)
	html += TD + "&nbsp;" + xTD;

  do {
    dayNum = thisDay.getDate() + 1;
    TD_onclick = " onclick=\"updateDateField('" + dateFieldName + "', '" + getDateString(thisDay) + "');\">";
    
    if (dayNum == day + 1)
      html += TD_selected + TD_onclick + DIV_selected + (dayNum - 1) + xDIV + xTD;
    else
      html += TD + TD_onclick + (dayNum - 1) + xTD;
    
    if (thisDay.getDay() == 0)
      html += xTR + TR;
    
    thisDay.setDate(thisDay.getDate() + 1);
  } while (thisDay.getDate() > 1)
  
  if (thisDay.getDay() > 0) {
    for (i = 6; i > thisDay.getDay(); i--)
      html += TD + "&nbsp;" + xTD;
  }
  html += xTR;

  var today = new Date();
  var todayString = "Mai dátum: " + dayArrayMed[today.getDay()] + ", " + monthArrayMed[ today.getMonth()] + " " + today.getDate();
  html += TR_todaybutton + TD_todaybutton;
  html += "<button class='dpTodayButton' onClick='refreshDatePicker(\"" + dateFieldName + "\");'>"+calendarButtonArray[0]+"</button>&nbsp;";
  html += "<button class='dpTodayButton' onClick='updateDateField(\"" + dateFieldName + "\");'>"+calendarButtonArray[1]+"</button>";
  html += xTD + xTR;

  html += xTABLE;
 
  document.getElementById(datePickerDivID).innerHTML = html;
  adjustiFrame();
  targetDateField.focus();
}

function getButtonCode(dateFieldName, dateVal, adjust, label)
{
  var thisYear = dateVal.getFullYear();
  var thisMonth = dateVal.getMonth();
  var Today = new Date();
  var lastYear = Today.getFullYear() + 1;
  var firstYear = Today.getFullYear() - 81;
  
  if((thisYear == firstYear) && (thisMonth == 0) && (adjust < 0)) return '&nbsp;';
  if((thisYear == lastYear) && (thisMonth == 11) && (adjust > 0)) return '&nbsp;';
  
  var newMonth = (dateVal.getMonth () + adjust) % 12;
  var newYear = dateVal.getFullYear() + parseInt((dateVal.getMonth() + adjust) / 12);
  if (newMonth < 0) {
    newMonth += 12;
    newYear += -1;
  }
 
  return "<button class='dpButton' onClick='refreshDatePicker(\"" + dateFieldName + "\", " + newYear + ", " + newMonth + ");'>" + label + "</button>";
}

function getDateString(dateVal)
{
  var dayString = "00" + dateVal.getDate();
  var monthString = "00" + (dateVal.getMonth()+1);
  dayString = dayString.substring(dayString.length - 2);
  monthString = monthString.substring(monthString.length - 2);
  
  switch (dateFormat) {
    case "dmy" :
      return dayString + dateSeparator + monthString + dateSeparator + dateVal.getFullYear();
    case "ymd" :
      return dateVal.getFullYear() + dateSeparator + monthString + dateSeparator + dayString;
    case "mdy" :
    default :
      return monthString + dateSeparator + dayString + dateSeparator + dateVal.getFullYear();
  }
}

function getFieldDate(dateString, defaultDate)
{
  var dArray;
  var d, m, y;
  try
  {
    dArray = splitDateString(dateString);
    if (dArray)
    {
        return getDateFromArray(dArray);
    }
  } catch (e) {}
  try
  {
    dArray = splitDateString(defaultDate);
    if (dArray)
    {
        return getDateFromArray(dArray);
    }
    if (dateString)
    {
      return new Date(dateString);
    }

    return new Date(defaultDate);
  }
  catch(ee)
  {
    return new Date();
  }
  
  return new Date();
}

function getDateFromArray(aArray)
{
    switch (dateFormat)
    {
        case "dmy" :
          d = parseInt(aArray[0], 10);
          m = parseInt(aArray[1], 10) - 1;
          y = parseInt(aArray[2], 10);
          break;
        case "ymd" :
          d = parseInt(aArray[2], 10);
          m = parseInt(aArray[1], 10) - 1;
          y = parseInt(aArray[0], 10);
          break;
        case "mdy" :
        default :
          d = parseInt(aArray[1], 10);
          m = parseInt(aArray[0], 10) - 1;
          y = parseInt(aArray[2], 10);
          break;
    }
    return new Date(y, m, d);
}


function splitDateString(dateString)
{
  var dArray;
  if (dateString.indexOf("/") >= 0)
    dArray = dateString.split("/");
  else if (dateString.indexOf(".") >= 0)
    dArray = dateString.split(".");
  else if (dateString.indexOf("-") >= 0)
    dArray = dateString.split("-");
  else if (dateString.indexOf("\\") >= 0)
    dArray = dateString.split("\\");
  else
    dArray = false;
 
  return dArray;
}

function closeDatePicker()
{
	var pickerDiv = document.getElementById(datePickerDivID);
    pickerDiv.style.visibility = "hidden";
    pickerDiv.style.display = "none";
	datePickerStatus = 0;
	thisDateField.focus();
}

function updateDateField(dateFieldName, dateString)
{
  var targetDateField = document.getElementsByName (dateFieldName).item(0);
  if (dateString)
    targetDateField.value = dateString;
 
  var pickerDiv = document.getElementById(datePickerDivID);
  pickerDiv.style.visibility = "hidden";
  pickerDiv.style.display = "none";
  
  datePickerStatus = 0;
  
  adjustiFrame();
  targetDateField.focus();

  if ((dateString) && (typeof(datePickerClosed) == "function"))
    datePickerClosed(targetDateField);
}

function adjustiFrame(pickerDiv, iFrameDiv)
{
  var is_opera = (navigator.userAgent.toLowerCase().indexOf("opera") != -1);
  if (is_opera)
    return;

  try {
    if (!document.getElementById(iFrameDivID)) {

      var newNode = document.createElement("iFrame");
      newNode.setAttribute("id", iFrameDivID);
      newNode.setAttribute("src", "javascript:false;");
      newNode.setAttribute("scrolling", "no");
      newNode.setAttribute ("frameborder", "0");
      document.body.appendChild(newNode);
    }
    
    if (!pickerDiv)
      pickerDiv = document.getElementById(datePickerDivID);
    if (!iFrameDiv)
      iFrameDiv = document.getElementById(iFrameDivID);
    
    try {
      iFrameDiv.style.position = "absolute";
      iFrameDiv.style.width = pickerDiv.offsetWidth;
      iFrameDiv.style.height = pickerDiv.offsetHeight ;
      iFrameDiv.style.top = pickerDiv.style.top;
      iFrameDiv.style.left = pickerDiv.style.left;
      iFrameDiv.style.zIndex = pickerDiv.style.zIndex - 1;
      iFrameDiv.style.visibility = pickerDiv.style.visibility ;
      iFrameDiv.style.display = pickerDiv.style.display;
    } catch(e) {
    }
 
  } catch (ee) {
  }
 
}