var fdate=0;
var ctrldate='';
var msg='';
var cmon=new Date().getMonth() + 1;

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 = 'CalendarControl';
  var currentYear = 0;
  var currentMonth = 0;
  var currentDay = 0;
//  var showFutureDate=0;
//  var nextcontrol='';
  var selectedYear = 0;
  var selectedMonth = 0;
  var selectedDay = 0;

  var months = ['January','February','March','April','May','June','July','August','September','October','November','December'];
  var dateField = null;
//  this.setFutureDate=setFutureDate;
//  function setFutureDate(text)
//  {
//      if(text.length>1)
//      { 
//        if(text.charAt(1)==',')
//        {
//            showFutureDate=text.charAt(0);
//            fdate=parseInt(text.charAt(0));
//            nextcontrol=text.substring(2);
//        }
//        else
//        {
//            nextcontrol=text;
//        }              
//      }
//      else
//      {
//        showFutureDate=text;
//        nextcontrol='';
//      }
//  }
  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;}
      var months = ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'];
      var dateString = day+"-"+months[month-1]+"-"+year;
      if(dateField.id.charAt(dateField.id.length-3)=='_' && dateField.id.charAt(dateField.id.length-5)=='_')
      {
        if(dateField.id.charAt(dateField.id.length-4)=='F')
        {
            var d=new Date();        
            var CurrDate=ConvertToDate(d.getDate()+'-'+months[d.getMonth()]+'-'+d.getFullYear());
            var AllowedDate=ConvertToDate(d.getDate()+'-'+months[d.getMonth()+1]+'-'+d.getFullYear());
            var selectDate=ConvertToDate(dateString);
            if(selectDate<CurrDate)
            {
                alert('Past Dates are not allowed');
                return false;
            }
           /* else if(selectDate>AllowedDate)
            {
                alert('Allowed time is 1 month only');
                return false;
            }*/
        }
        else if(dateField.id.charAt(dateField.id.length-4)=='P')
        {
            var d=new Date();        
            var CurrDate=ConvertToDate(d.getDate()+'-'+months[d.getMonth()]+'-'+d.getFullYear());
            var selectDate=ConvertToDate(dateString);
            if(selectDate>CurrDate)
            {
                alert('Future Dates are not allowed');
                return false;
            }
        }
        else if(dateField.id.charAt(dateField.id.length-4)=='B')
        {
            var Ld=document.getElementById('LDate').value.split(',');
            var LDate=ConvertToDate(Ld[0]);
            var selectDate1=ConvertToDate(dateString);
            if(LDate)
            {
                if(selectDate1<LDate)
                {
                    alert(msg);
                    document.getElementById(Ld[1]).value='';
                }
            }

            var bDates=document.getElementById('bDates').value.split(',');
            var fDate=ConvertToDate(bDates[0]);
            var tDate=ConvertToDate(bDates[1]);
            var selectDate=ConvertToDate(dateString);
            if(selectDate<fDate || selectDate>tDate)
            {
                alert('Date should be between ' + bDates[0] + ' and ' + bDates[1]);
                return false;
            }
            document.getElementById('Gdate').value=dateString;
        }
        else if(dateField.id.charAt(dateField.id.length-4)=='L')
        {
            var GDate=ConvertToDate(document.getElementById('Gdate').value);
            var selectDate=ConvertToDate(dateString);
            if(GDate)
            {
                if(selectDate>GDate)
                {
                    //alert('Date should be Lessthan ' + document.getElementById('Gdate').value);
                    alert(msg);
                    return false;
                }                    
            }
            document.getElementById('LDate').value=dateString+","+dateField.id;
                        
        }
        else if(dateField.id.charAt(dateField.id.length-4)=='G')
        {
            var Ld=document.getElementById('LDate').value.split(',');
            var LDate=ConvertToDate(Ld[0]);
            var selectDate=ConvertToDate(dateString);
            if(LDate)
            {
                if(selectDate<LDate)
                {
                    alert('Some fields in this Page should be less than this field, Erasing that fields');
                    document.getElementById(Ld[1]).value='';                    
                }
            }
            document.getElementById('Gdate').value=dateString;
        }
      }
      cmon=new Date().getMonth() + 1;
      dateField.value = dateString;
      dateField.style.borderColor='';
      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) {
    if(change!=1 && change!=-1)
        currentYear=change;
    else
        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 mon='';
    var tempYear=currentYear-10;
    var yer="<option Value='" + tempYear+ "'>   << Back </option>";
    for(i=0;i<months.length;i++)
    {
        if(i==(currentMonth-1))
            mon+="<option Value='"+(i+1)+"' selected='true'>"+months[i]+"</option><br>";
        else
            mon+="<option Value='"+(i+1)+"'>"+months[i]+"</option><br>";
    }
    for(i=(currentYear-10);i<=(currentYear+10);i++)
    {
        if(i==(currentYear))
            yer+="<option Value='"+i+"' selected='true'>"+i+"</option><br>";
        else
            yer+="<option Value='"+i+"'>"+i+"</option><br>";
    }
    tempYear=currentYear+10;
    yer+="<option Value='" + tempYear+ "'>   >> Next </option>";    
    var css_class = null; //CSS class for each day
    var cdate=new Date().getDate();    
    var table = "<table cellspacing='0' cellpadding='0' border='0'>";
    table = table + "<tr class='header1'>";
    table = table + "  <td colspan='4' class='previous'><select id='ddlMonth'  onchange='javascript:ChangeMonth(this);' >"+mon+"</select></td>";
    table = table + "  <td colspan='3' class='title'><select id='ddlYear'  onchange='javascript:ChangeddlYear(this);' >"+yer+"</select></td>";
    table = table + "</tr>";

    table = table + "<tr><th>S</th><th>M</th><th>T</th><th>W</th><th>T</th><th>F</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>";
    }

    //table = table + "<tr class='header'><th colspan='7' style='padding: 3px;'><a href='javascript:clearCalendarControl();'>Clear</a> | <a href='javascript:hideCalendarControl();'>Close</a> | <a href='javascript:Today();'>Today</a></td></tr>";
    table = table + "<tr class='header1'><th colspan='7' style='padding: 3px;'><a href='javascript:hideCalendarControl();'>Close</a> | <a href='javascript:Today();'>Today</a></td></tr>";
    table = table + "</table>";
    return table;
  }

  this.show = show;
  function show(field) {
  
    // 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);
        var dateParts = dateString.split("-");
        var months = ['temp','Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'];
        for(i=0;i<(months.length);i++)
        {
            if(dateParts[1]==months[i])
            {
                //var tempvar=i+1;
	            dateParts[1]=i;
	            cmon=i;
	        }  
	    }    
        selectedMonth = parseInt(dateParts[1],10);
        selectedDay = parseInt(dateParts[0],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);
      setElementProperty('display', 'block', 'CalendarControlIFrame');
      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");
      setElementProperty('left', x + "px", 'CalendarControlIFrame');
      setElementProperty('top', y + "px", 'CalendarControlIFrame');
      setElementProperty('width', calendarPos.getElementWidth() + "px", 'CalendarControlIFrame');
      setElementProperty('height', calendarPos.getElementHeight() + "px", 'CalendarControlIFrame');
    }
  }

  this.hide = hide;
  function hide() {
    if(dateField) {
      setProperty('display', 'none');
      setElementProperty('display', 'none', 'CalendarControlIFrame');
      setControl();
      dateField = null;
    }
  }
this.setControl=setControl;
function setControl()
{
    if(dateField)
    {
        var ctrls = document.forms[0].elements;
        for(i=0;i<ctrls.length;i++)
        {
            try
                {
                    if(ctrls[i].id==dateField.id)
                    {
                
                        if((ctrls[i+1].type=='checkbox' ||ctrls[i+1].type=='radio' ||ctrls[i+1].type=='submit' ||ctrls[i+1].type=='text' ||ctrls[i+1].type=='password' ||ctrls[i+1].type=='textarea' ||ctrls[i+1].type=='select'  ||ctrls[i+1].type=='select-one') && ctrls[i+1].id!='ctl00_txtAsExpert' )
                        {
                                ctrls[i+1].focus();
                        }
                    } 
                }       
              catch(e)
                {
                   dateField = null;
                }       

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

var calendarControl = new CalendarControl();
    
function showCalendarControl(e) {
 if (typeof e == 'undefined') {
   var e = window.event;
 }
 var source;
 if (typeof e.target != 'undefined') {
    source = e.target;
 } else if (typeof e.srcElement != 'undefined') {
    source = e.srcElement;
 } else {
   return;
 }
    calendarControl.show(source);
}

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

function hideCalendarControl(flag) {
  if (calendarControl.visible()) {
    if (flag) {
      calendarControl.hide();
    } else {
      window.setTimeout('hideCalendarControl(true)',200);
    }
  }
}

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

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

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

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


function ChangeMonth(text)
{
    var smon=parseInt(text.value);
    changeCalendarControlMonth(smon-cmon);
    changeCalendarControlYear(parseInt(document.getElementById('ddlYear').value));
    cmon=smon;
}

function ChangeddlYear(text)
{
   changeCalendarControlYear(parseInt(document.getElementById('ddlYear').value));
}

function Today()
{
    changeCalendarControlMonth((new Date().getMonth() + 1)-cmon);
    changeCalendarControlYear(new Date().getFullYear());
    cmon=new Date().getMonth() + 1;
}

function ConvertToDate(value)
{
    if(value=='')
        return null;     
    var _Splitval=value.split('-');
    if(_Splitval.length!=3)
        return null;
//     alert(parseInt(_Splitval[0].charAt(1))+'\n'+_Splitval[1]+'\n'+_Splitval[2]);
    var months = ['test','Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'];        
    var Year=_Splitval[2],Month=0,Day=0;
    if(_Splitval[0].charAt(0)=='0')
        Day=parseInt(_Splitval[0].charAt(1))
     else
        Day=parseInt(_Splitval[0])
    for(i=0;i<(months.length);i++)
        if(_Splitval[1]==months[i])
	        Month=i;
    var d=new Date(Month+'/'+Day+'/'+Year);
    //alert(value+'\n'+d+'\n'+Month+':'+Day+':'+Year);
    return d; 
            
}