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) {
      if(elm.style.position == 'relative') {
        break;
      }
      else {
        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) {
      if(elm.style.position == 'relative') {
        break;
      }
      else {
        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 = 'CalendarControl';
  var currentYear = 0;
  var currentMonth = 0;
  var currentDay = 0;

  var selectedYear = 0;
  var selectedMonth = 0;
  var selectedDay = 0;

  var months = ['Janeiro','Fevereiro','Março','Abril','Maio','Junho','Julho','Agosto','Setembro','Outubro','Novembro','Dezembro'];
  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)
    return date.getDay();
  }

  this.clearDate = clearDate;
  function clearDate() {
    dateField.value = '';
    hide();
  }

  this.setDate = setDate;
  function setDate(year, month, day) {
    if (dateField) {
      if (month < 10) {month = "0" + month;}
      if (day < 10) {day = "0" + day;}

	  //FORMATO DE EXIBIÇÃO
      //var dateString = month+"-"+day+"-"+year;
	  var dateString = day+"/"+month+"/"+year+ ((tempo == 's') ? ' '+document.all.CalHora.value+':'+document.all.CalMinuto.value+':'+document.all.CalSegundo.value : '');
      dateField.value = dateString;
	  //alert(dateString);
      hide();
    }
    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; //CSS class for each day

    var table = "<table cellspacing='0' cellpadding='0' border='0'>";
    table = table + "<tr class='header'>";
    table = table + "  <td colspan='2' class='previous'><a href='javascript:changeCalendarControlMonth(-1);'>&lt;</a> <a href='javascript:changeCalendarControlYear(-1);'></a></td>";
    table = table + "  <td colspan='3' class='title'>" + months[currentMonth-1] + "<br>" + currentYear + "</td>";
    table = table + "  <td colspan='2' class='next'><a href='javascript:changeCalendarControlYear(1);'></a> <a href='javascript:changeCalendarControlMonth(1);'>&gt;</a></td>";
    table = table + "</tr>";
    table = table + "<tr><th>D</th><th>S</th><th>T</th><th>Q</th><th>Q</th><th>S</th><th>S</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 = 'current';
          } else if (dayOfWeek == 0 || dayOfWeek == 6) {
            css_class = 'weekend';
          } else {
            css_class = 'weekday';
          }

          table = table + "<td><a class='"+css_class+"' href=\"javascript:setCalendarControlDate("+currentYear+","+currentMonth+","+dayOfMonth+")\">"+dayOfMonth+"</a></td>";
          dayOfMonth++;
        } else {
          table = table + "<td class='empty'>&nbsp;</td>";
        }
      }
      table = table + "</tr>";
    }

	 if(tempo == 's'){
      
		  table = table + "<tr class='header'><th colspan='7' style='padding: 3px;' align='center'>";
		  
		  table = table + "<select name='CalHora'>";
		  for(p=0;p<24;p++){
			table = table + "<option value='"+((p < 10) ? '0'+p : p)+"' "+((p == currentHora) ? 'selected' : '')+">"+((p < 10) ? '0'+p : p)+"</option>";  
		  }
		  table = table + "</select>";
		  
		  table = table + " : <select name='CalMinuto'>";
		  for(p=0;p<60;p++){
			table = table + "<option value='"+((p < 10) ? '0'+p : p)+"' "+((p == currentMinuto) ? 'selected' : '')+">"+((p < 10) ? '0'+p : p)+"</option>";  
		  }
		  table = table + "</select>";
		  
		  table = table + " : <select name='CalSegundo'>";
		  for(p=0;p<60;p++){
			table = table + "<option value='"+((p < 10) ? '0'+p : p)+"' "+((p == currentSegundo) ? 'selected' : '')+">"+((p < 10) ? '0'+p : p)+"</option>";  
		  }
		  table = table + "</select>";
		  
		  table = table + "</td></tr>";

	 }

	  table = table + "<tr class='header'><th colspan='7' style='padding: 3px;'><a href='javascript:clearCalendarControl();'>Limpar</a> | <a href='javascript:hideCalendarControl();'>Fechar</a></td></tr>";
    table = table + "</table>";

    return table;
  }

  this.show = show;
  function show(field,hra) {
    can_hide = 0;
  
    // If the calendar is visible and associated with
    // this field do not do anything.
    if (dateField == field) {
      return;
    } else {
      dateField = field;
    }

    if(dateField) {
      try {
       	   
	   var dateString = new String(dateField.value);
       
	   if(hra == 's'){
	   
		   var dataSeparador = dateString.split(" ");
		   var dateParts = dataSeparador[0].split("/");
		   var horaParts = dataSeparador[1].split(":");
	
			selectedMonth = parseInt(dateParts[1],10);
			selectedDay = parseInt(dateParts[0],10);
			selectedYear = parseInt(dateParts[2],10);
	
			selectedHora = parseInt(horaParts[0],10);
			selectedMinuto = parseInt(horaParts[1],10);
			selectedSegundo = parseInt(horaParts[2],10);
				
			tempo = 's';	
		
		}else{
		
		   var dataSeparador = dateString.split("/");
	
			selectedMonth = parseInt(dataSeparador[1],10);
			selectedDay = parseInt(dataSeparador[0],10);
			selectedYear = parseInt(dataSeparador[2],10);
	
			selectedHora = '';
			selectedMinuto = '';
			selectedSegundo = '';
			tempo = 'n';	
		}
		
      } catch(e) {}
    }

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

    currentMonth = selectedMonth;
    currentDay = selectedDay;
    currentYear = selectedYear;

	if(hra == 's'){
	currentHora = selectedHora;
	currentMinuto = selectedMinuto;
	currentSegundo = selectedSegundo;
	}
	   
    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");
     // setProperty('top', y + "px");
 
      if (document.all) {
       // setElementProperty('display', 'block', 'CorpoConteudo');
       // setElementProperty('left', x + "px", 'CorpoConteudo');
       // setElementProperty('top', y + "px", 'CorpoConteudo');
       // setElementProperty('width', calendarPos.getElementWidth() + "px", 'CorpoConteudo');
       // setElementProperty('height', calendarPos.getElementHeight() + "px", 'CorpoConteudo');
      }
    }
  }

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

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

  this.can_hide = can_hide;
  var can_hide = 0;
}

var calendarControl = new CalendarControl();

function showCalendarControl(textField,hra,p) {
  //textField.onblur = hideCalendarControl;
	p = getPosicaoElemento(textField);
	changeCalendarPosition(p);
	calendarControl.show(textField,hra);
}

function clearCalendarControl() {
  calendarControl.clearDate();
}

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

function setCalendarControlDate(year, month, day) {
  calendarControl.setDate(year, month, day);
}

function changeCalendarControlYear(change) {
  calendarControl.changeYear(change);
}

function changeCalendarControlMonth(change) {
  calendarControl.changeMonth(change);
}

function changeCalendarPosition(e){
	calendariocontrol = document.getElementById("CalendarControl");
	calendariocontrol.style.display = 'block';
	calendariocontrol.style.left = e.left+"px";
	calendariocontrol.style.top = e.top-158+"px";
}
function getPosicaoElemento(elemID){
	var offsetTrail = typeof elemID == 'string' ?  document.getElementById(elemID) : elemID;
	var offsetLeft = 0;
	var offsetTop = 0;
	while (offsetTrail) {
		offsetLeft += offsetTrail.offsetLeft;
		offsetTop += offsetTrail.offsetTop;
		offsetTrail = offsetTrail.offsetParent;
	}
	if (navigator.userAgent.indexOf("Mac") != -1 && typeof document.body.leftMargin != "undefined") {
		offsetLeft += document.body.leftMargin;
		offsetTop += document.body.topMargin;
	}
	return {left:offsetLeft, top:offsetTop};
}

//document.write("<iframe id='CorpoConteudo' src='javascript:false;' frameBorder='0' scrolling='no'></iframe>");
document.write("<div id='CalendarControl'></div>");