function getElementPosition(elemID) {
             var offsetTrail = document.getElementById(elemID);
             var offsetLeft = 0;
             var offsetTop = 0;
             while (offsetTrail) {
                 offsetLeft += offsetTrail.offsetLeft;
                 offsetTop += offsetTrail.offsetTop;
                 offsetTrail = offsetTrail.offsetParent;
             }
             return { left: offsetLeft, top: offsetTop };
         }
function showCalender(boxid,boxid1)
{
    document.getElementById('hdeprdate').value =boxid;
    document.getElementById('hdeprdateday').value =boxid1;
	showCalendarControl(boxid);
}


function getDayString(gDateValue)
	{
		if(gDateValue=="0")
		{
		dayName="Sun"
		}
		else if(gDateValue=="1")
		{
		dayName="Mon"
		}
		else if(gDateValue=="2")
		{
		dayName="Tue"
		}
		else if(gDateValue=="3")
		{
		dayName="Wed"
		}
		else if(gDateValue=="4")
		{
		dayName="Thu"
		}
		else if(gDateValue=="5")
		{
		dayName="Fri"
		}
		else if(gDateValue=="6")
		{
		dayName="Sat"
		}
		return dayName;

	}
function GetMonth(mon)
{
switch(mon)
	{
	case 0: return "JAN"; break;
	case 1: return "FEB"; break;
	case 2: return "MAR"; break;
	case 3: return "APR"; break;
	case 4: return "MAY"; break;
	case 5: return "JUN"; break;
	case 6: return "JUL"; break;
	case 7: return "AUG"; break;
	case 8: return "SEP"; break;
	case 9: return "OCT"; break;
	case 10: return "NOV"; break;
	case 11: return "DEC"; 
	}
}
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,10);
  }

  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,10);
  }

  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,10);
  }

  this.getElementHeight = getElementHeight;
  function getElementHeight()
	{
    var elm;
    if(typeof(p_elm) == "object")
	{
      elm = p_elm;
    }
	else
	{
      elm = document.getElementById(p_elm);
    }
    return parseInt(180,10);
  }

  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 = ['January','February','March','April','May','June','July','August','September','October','November','December'];
  var dateField = null;

//this.changeMonthInc = changeMonthInc;
function changeMonthInc(change) 
	{
    currentMonth += change;
    currentDay = 0;
    if(currentMonth > 12) 
		{
      	currentMonth = 1;
      	currentYear++;
    	} 
		else if(currentMonth < 1)
		{
      	currentMonth = 12;
      	currentYear--;
    	}
  }  
  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) 
{
 

setDateboxid= document.getElementById('hdeprdate').value;
setDateboxid1= document.getElementById('hdeprdateday').value;
//alert(setDateboxid);
if (month.toString().length==1)
{
    var month="0"+month.toString();
}

if (day.toString().length==1)
{
    var day="0"+day.toString();
}
document.getElementById(setDateboxid).value=day+'/'+month+'/'+year;
var myDDate = new Date(month+'/'+day+'/'+year);
document.getElementById(setDateboxid1).value=getDayString(myDDate.getDay());
//alert(myDDate);
hide();
return;
}

this.changeMonth = changeMonth;
function changeMonth(change) 
{
currentMonth += change;
currentDay = 0;
if(currentMonth > 12) 
	{
	currentMonth = 1;
	currentYear++;
	} 
	else if(currentMonth < 1)
	{
   currentMonth = parseInt(12+currentMonth,10);
	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().getFullYear();
	var year = new Date().getFullYear();
    if(year < 1900) year += 1900;
        if (document.getElementById('hdeprdate').value=="txtDDate")
		{
		    var splitDDate=document.getElementById("txtDDate").value;
    	    var splitDDate1=splitDDate.split('/');
		    if (document.getElementById("txtDDate").value=="" || splitDDate1[2]=="yyyy")
		    {
    	        return year;
    	    }
    	    else
    	    {
    	        return parseInt(splitDDate1[2]);
    	    }
    	}
    	if (document.getElementById('hdeprdate').value=="txtRDate")
		{
		    var splitRDate=document.getElementById("txtRDate").value;
		    var splitRDate1=splitRDate.split('/');
		    var splitDDate=document.getElementById("txtDDate").value;
    	    var splitDDate1=splitDDate.split('/');		
    	    var compareDates="";
    	    try
    	    {
    	        var compDateD=new Date(splitDDate1[2]+"/"+splitDDate1[1]+"/"+splitDDate1[0]);	    
    	        var compDateR=new Date(splitRDate1[2]+"/"+splitRDate1[1]+"/"+splitRDate1[0]);	    
    	        if (compDateD>=compDateR)
    	        {
    	            compareDates="Y";
    	        }
    	        else
    	        {
    	            compareDates="N";
    	        }
    	    }
    	    catch(ex)
    	    {
    	    
    	    }    
		    if (splitRDate1[2]=="yyyy" || splitRDate1==""  || compareDates=="" || compareDates=="Y")
		    {
		        if (document.getElementById("txtDDate").value=="" || splitDDate1[2]=="yyyy")
		        {
    	            return year;
    	        }
    	        else
    	        {
    	            var newDate1=new Date(splitDDate1[2]+"/"+splitDDate1[1]+"/"+splitDDate1[0]);
    	            newDate1.setDate(newDate1.getDate()+1);
    	            return newDate1.getFullYear();
    	            //return parseInt(splitDDate1[2]);
    	        }
    	    }
    	    else
    	    {
		        if (document.getElementById("txtRDate").value=="" || splitRDate1[2]=="yyyy")
		        {
    	            return year;
    	        }
    	        else
    	        {
    	            
    	            return parseInt(splitRDate1[2]);
    	        }
    	    }
    	}
            
  	}

  function getCurrentMonth() 
	{
	    if (document.getElementById('hdeprdate').value=="txtDDate")
		{
		    var splitDDate=document.getElementById("txtDDate").value;
    	    var splitDDate1=splitDDate.split('/');
		    if (document.getElementById("txtDDate").value=="" || splitDDate1[1]=="mm")
		    {
    	        return new Date().getMonth() + 1;
    	    }
    	    else
    	    {
    	        return parseInt(splitDDate1[1].toString(),10);
    	    }
    	}
    	if (document.getElementById('hdeprdate').value=="txtRDate")
		{
		    var splitRDate=document.getElementById("txtRDate").value;
		    var splitRDate1=splitRDate.split('/');
            var splitDDate=document.getElementById("txtDDate").value;
    	    var splitDDate1=splitDDate.split('/');
            var compareDates="";
    	    try
    	    {
    	        var compDateD=new Date(splitDDate1[2]+"/"+splitDDate1[1]+"/"+splitDDate1[0]);	    
    	        var compDateR=new Date(splitRDate1[2]+"/"+splitRDate1[1]+"/"+splitRDate1[0]);	    
    	        if (compDateD>=compDateR)
    	        {
    	            compareDates="Y";
    	        }
    	        else
    	        {
    	            compareDates="N";
    	        }
    	    }
    	    catch(ex)
    	    {
    	    
    	    }    	    
    	    if (splitRDate1[1]=="mm" || splitRDate1==""  || compareDates=="" || compareDates=="Y")
		    {
		        if (document.getElementById("txtDDate").value=="" || splitDDate1[1]=="mm")
		        {
    	            return new Date().getMonth() + 1;
    	        }
    	        else
    	        {
    	            var newDate1=new Date(splitDDate1[2]+"/"+splitDDate1[1]+"/"+splitDDate1[0]);
    	            newDate1.setDate(newDate1.getDate()+1);
    	            return newDate1.getMonth()+1;
    	            //return parseInt(splitDDate1[1]);
    	        }
    	    }
    	    else
    	    {
		        if (document.getElementById("txtRDate").value=="" || splitRDate1[1]=="mm")
		        {
    	            return new Date().getMonth() + 1;
    	        }
    	        else
    	        {
    	            
    	            return parseInt(splitRDate1[1].toString(),10);
    	        }
    	    }
    	}
  	} 

  	function getCurrentDay() 
	{
		if (document.getElementById('hdeprdate').value=="txtDDate")
		{
		    var splitDDate=document.getElementById("txtDDate").value;
    	    var splitDDate1=splitDDate.split('/');
		    if (document.getElementById("txtDDate").value=="" || splitDDate1[0]=="dd")
		    {
    	        return new Date().getDate();
    	    }
    	    else
    	    {
    	        return parseInt(splitDDate1[0].toString(),10);
    	    }
    	}
    	if (document.getElementById('hdeprdate').value=="txtRDate")
		{
		    var splitRDate=document.getElementById("txtRDate").value;
		    var splitRDate1=splitRDate.split('/');
            var splitDDate=document.getElementById("txtDDate").value;
    	    var splitDDate1=splitDDate.split('/');
    	    var compareDates="";
    	    try
    	    {
    	        var compDateD=new Date(splitDDate1[2]+"/"+splitDDate1[1]+"/"+splitDDate1[0]);	    
    	        var compDateR=new Date(splitRDate1[2]+"/"+splitRDate1[1]+"/"+splitRDate1[0]);	    
    	        if (compDateD>=compDateR)
    	        {
    	            compareDates="Y";
    	        }
    	        else
    	        {
    	            compareDates="N";
    	        }
    	    }
    	    catch(ex)
    	    {
    	    
    	    }
		    if (splitRDate1[0]=="dd" || splitRDate1=="" || compareDates=="" || compareDates=="Y")
		    {
		        if (document.getElementById("txtDDate").value=="" || splitDDate1[0]=="dd")
		        {
    	            return new Date().getDate();
    	        }
    	        else
    	        {
    	            var newDate1=new Date(splitDDate1[2]+"/"+splitDDate1[1]+"/"+splitDDate1[0]);
    	            newDate1.setDate(newDate1.getDate()+1);
    	            return newDate1.getDate();
    	        }
    	    }
    	    else
    	    {
		        if (document.getElementById("txtRDate").value=="" || splitRDate1[0]=="dd")
		        {
    	            return new Date().getDate();
    	        }
    	        else
    	        {
    	            
    	            return parseInt(splitRDate1[0].toString(),10);
    	        }
    	    }
    	}
  	}

function calendarDrawTable() 
{
var dayOfMonth = 1;
var validDay = 0;
var startDayOfWeek;
var daysInMonth;
var i;
var table="<table  bgcolor='#0fa1ff'>";
var NoCal=2;
try
{
	
	

	if(NoCal=="")
		{
			NoCal=3
		}
}catch(ex)
{
	NoCal=3;
}
if(NoCal==3)
	{
	table=table+"<tr><td  class='previous' style='border-bottom:1px solid #0fa1ff'><a href='javascript:changeCalendarControlMonth(-5);'>&lt;</a><a href='javascript:changeCalendarControlMonth(-5);'>&lt;</a></td>"
	table=table+"<td style='border-bottom:1px solid #0fa1ff; font-weight:bold; color:#ffffff;'>Select Your Travel Date  </td>";
	table=table+"<td  class='next' align='right' style='border-bottom:1px solid #0fa1ff'><a href='javascript:changeCalendarControlMonth(1);'>&gt;</a><a href='javascript:changeCalendarControlMonth(1);'>&gt;</a></td>";  //<a href='javascript:changeCalendarControlYear(1);'>
	table=table+"</tr>"
	}else if (NoCal==2)
	{
	table=table+"<tr><td  class='previous' style='border-bottom:1px solid #0fa1ff' align='left'>&nbsp;&nbsp;&nbsp;&nbsp;<a href='javascript:changeCalendarControlMonth(-3);'>&lt;</a><a href='javascript:changeCalendarControlMonth(-3);'>&lt;</a></td>";
	table=table+"<td  class='next' align='right' style='border-bottom:1px solid #0fa1ff'><a href='javascript:changeCalendarControlMonth(1);'>&gt;</a><a href='javascript:changeCalendarControlMonth(1);'>&gt;</a>&nbsp;&nbsp;&nbsp;&nbsp;</a></td></tr>";
	}else
	{
    table=table+"<tr><td class='previous'>&nbsp;&nbsp;&nbsp;&nbsp;<a href='javascript:changeCalendarControlMonth(-1);'>&lt;</a><a href='javascript:changeCalendarControlMonth(-1);'>&lt;</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href='javascript:changeCalendarControlMonth(1);'>&gt;</a><a href='javascript:changeCalendarControlMonth(1);'>&gt;</a></td></tr>";	
	}

table=table+"<tr>";
for(i=1;i<=NoCal;i++)
    { 
    if(i!=1)
        {
        changeMonthInc(1)
        }
	dayOfMonth = 1;
	validDay = 0;
	startDayOfWeek = getDayOfWeek(currentYear, currentMonth, dayOfMonth);
	daysInMonth = getDaysInMonth(currentYear, currentMonth);
	css_class = null; //CSS class for each day
	table = table + "<td><table cellspacing='0' cellpadding='0' border='0'>";
	table = table + "<tr class='header'>";
	table = table + "  <td colspan='7' class='title' bgcolor='#ffffff' style='color:#000; padding:3px 0 3px 0;'>" + months[currentMonth-1] + "&nbsp;&nbsp;&nbsp;" + currentYear + "</td>";
	table = table + "</tr>";
	table = table + "<tr bgcolor=red><th bgcolor=red>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';
					}
					var DMY=new Date();
					var perDate=new Date(DMY.getFullYear(),DMY.getMonth(),DMY.getDate());
					 //disable selected txtDDate in clender
                  //var disabletxtDDate  =   document.getElementById('hdeprdate').value;
                  
                   var txtDDateIs  =   document.getElementById('txtDDate').value;
                  dapdatearr=txtDDateIs.split('/');
                  var currentYearss;
                  //document.getElementById('setascurrdate').value=document.getElementById('txtDDate').value;
                  if( dapdatearr[0] > 1 && document.getElementById('hdeprdate').value=='txtRDate'){
                      document.getElementById('setascurrdate').value=document.getElementById('txtDDate').value;
                      dayOfMonthss = dayOfMonth-(dapdatearr[0]-DMY.getDate())-1;
                      currentMonthss = currentMonth-(dapdatearr[1]-DMY.getMonth());
                      currentYearss=currentYear-(dapdatearr[2]-DMY.getFullYear());
                  }else{
                    dayOfMonthss =dayOfMonth;
                    currentMonthss =currentMonth-1;
                    currentYearss=currentYear;
                  }
                  //disable selected txtDDate in clender
                  
                  var CurDate= new Date(currentYearss,currentMonthss,dayOfMonthss);
					var LastDate=new Date(DMY.getFullYear(),DMY.getMonth()+11,DMY.getDate());
					if(CurDate<perDate || CurDate>LastDate)
						{
	          			table = table + "<td><a class='"+css_class+"'><strike><font color='#c1c1c1'>"+dayOfMonth+"</font></strike></a></td>";
						}
						else
						{
						  
						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 + "</table></td>";
		}
table=table+"</tr>"
table = table +"<tr class='header'><th colspan='"+NoCal+"' style='padding: 3px;'><a href='javascript:hideCalendarControl();'><font color=black><b>Close</b></font></a></th></tr>"
table = table +"</table>";
return table
}
    
    
   
this.show = show;
function show(boxid) 	
{

can_hide = 0;
if (dateField == boxid) 
    {
    return;
    } 
    else 
    {
    dateField = boxid;
    }
    
if(boxid) 	
	{
	try 
	    {
	       
	    selectedMonth = '';
	    selectedYear = '';
	    selectedDay = '';
	    } 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, boxid);
	setProperty('display', 'block');
	
	  var fieldPos = new positionInfo('100');
	  var calendarPos = new positionInfo(calendarId);
	
	
	  var x = getElementPosition(document.getElementById('hdeprdate').value).left-110;
	  var y = getElementPosition(document.getElementById('hdeprdate').value).top+25;
	  setProperty('left', x + "px");
	  setProperty('top', y + "px");
	
	  if (document.all) 
		  {
			setElementProperty('display', 'block', 'CalendarControlIFrame');
			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() 
{

	  setProperty('display', 'none');
	  setElementProperty('display', 'none', 'CalendarControlIFrame');
	  dateField = null;
	
}

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

  this.can_hide = can_hide;
  var can_hide = 0;

}



var calendarControl = new CalendarControl();
function showCalendarControl(boxid) // 
{


	calendarControl.show(boxid);
  
}



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);
	}
	
document.write("<iframe id='CalendarControlIFrame'  frameBorder='0' scrolling='no'></iframe>");
document.write("<div id='CalendarControl' id='cal' style='z-index:4;'></div>");

//src='javascript:false;'




//===========================