var ddd;
var mmm;
var yyy;
var tdate = new Date();
var req;
var calClose = 0;
var monthNames1 = new Array('January','Febuary','March','April','May','June','July','August','September','October','November','December');

var xdate;
var xrdate;
var myDate = new Date();
var myFromDate = new Date(); 
        xdate = myFromDate.getDate() + "/" + (myFromDate.getMonth()+1) + "/" + myFromDate.getFullYear();
        xrdate = myFromDate.getDate() + "/" + (myFromDate.getMonth()+1) + "/" + myFromDate.getFullYear()

function BC (id)
{
 var obj = document.getElementById(id);
 return obj;
}


function GetMonthMaxDays(y,m) // accepts 0 index month
{
	return new Date(y,m+1,0).getDate();
}


function CreateDay(y,m,d,t)
{ // Function to create table cells for each day of month and all empty days
	if(t=='out'){
		var today = new Date(yyy,mmm-1,ddd);
	}else{
		var today = new Date();
	}
	var c = document.createElement('td');
	if (y == 0 && m == 0)
	{
		c.innerHTML = ' ';
	}
	else if ( (t == 'dpdep' || t == 'dpret') && (y < today.getFullYear() || (y == today.getFullYear() && m-1 < today.getMonth()) || 	(y == today.getFullYear() && m-1 == today.getMonth() && d < (today.getDate()+3))) ){
		c.style.textDecoration = 'none';
		c.innerHTML = d;
	}
	else if ( (t != 'dpdep' && t != 'dpret') && (y < today.getFullYear() || (y == today.getFullYear() && m-1 < today.getMonth()) || 	(y == today.getFullYear() && m-1 == today.getMonth() && d < today.getDate())) ) {
		c.style.textDecoration = 'none';
		c.innerHTML = d;
	} else {
		c.innerHTML = '<a href="javascript:SetDates('+y+','+m+','+d+',\''+t+'\')"><b>' + d +'</b><\/a>'
	}
	return c;
}

function CloseCalendar()
{
 BC('cal').style.display = 'none';
 var elList = new Array('guests','rooms','stars');
 for (var ctr = 0; ctr < elList.length; ctr++)
 {
  if (BC(elList[ctr])) {
   BC(elList[ctr]).style.visibility = 'visible';
  }
 }
calClose = 0;
}

function findPosX(obj)
{
	var curleft = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
		curleft += obj.x;
	return curleft;
}

function findPosY(obj)
{
	var curtop = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
		curtop += obj.y;
	return curtop;
}

function ShowHideCalendar(requestor,elem,pos)
{
	req = requestor;
	//alert(req);
	if (req == 'close' || calClose == 1){ CloseCalendar(); calClose == 0;}
	else {
		calClose = 1;
		var doCar = '';
		var y = 0;
		var m = 0;
		var d = 0;
		var xpos = findPosX(elem);
		var ypos = findPosY(elem);
		BC('cal').style.display = 'block';
		BC('cal').style.top = ypos +'px';
		BC('cal').style.left = xpos +'px';
		
		switch (req){
				case 'in':
				
				if(req == 'in')
				{
					BC('guests').style.visibility = 'hidden';
					BC('rooms').style.visibility = 'hidden';
					fltmpDt = BC('checkin').value;
				}
				if(fltmpDt == 'dd/mm/yy' || fltmpDt == '' || !(fltmpDt.match(/^([0-9]){2}(\/){1}([0-9]){2}(\/)([0-9]){2,4}$/))){
					fltmpDt = xdate;
				}
				fltmpDt = fltmpDt.split("/");
				d = fltmpDt[0];
				m = fltmpDt[1];
				if(m > 12 || m < 1)
				{
					m=myFromDate.getMonth()+1
				}
				y = fltmpDt[2];
				if(y.length <= 2){
					y = "20"+y;
				}
				
				
				if(pos == 1){
					
					xpos += 0;
                                        ypos += 20;
				}
                                        BC('cal').style.left = xpos +'px';
                                        BC('cal').style.top = ypos +'px';
				break;
				case "out":
				if(req == 'out')
				{
					BC('guests').style.visibility = 'hidden';
					BC('rooms').style.visibility = 'hidden';
					BC('stars').style.visibility = 'hidden';
					fltmpDt = BC('checkin').value;
					fltmpRt = BC('checkout').value;
				}
				if(fltmpRt == 'dd/mm/yy' || !(fltmpRt.match(/^([0-9]){2}(\/){1}([0-9]){2}(\/)([0-9]){2,4}$/)))
				{
					if(fltmpDt == 'dd/mm/yy'|| !(fltmpDt.match(/^([0-9]){2}(\/){1}([0-9]){2}(\/)([0-9]){2,4}$/)))
					{
						fltmpRt = xrdate;
						fltmpRt = fltmpRt.split("/");
						d = fltmpRt[0];
						m = fltmpRt[1];
						y = fltmpRt[2];
						if(y.length <= 2)
						{
							y = "20"+y;
						}
						ddd=d;
						mmm = m;
						yyy = y;
						
					}
					else
					{
						fltmpDt = fltmpDt.split("/");
						d = fltmpDt[0];
						m = fltmpDt[1];
						y = fltmpDt[2];
						if(y.length <= 2)
						{
							y = "20"+y;
						}
						if(m > 12)
						{
							fltmpDt = xdate;
							fltmpDt = fltmpDt.split("/");
							d = fltmpDt[0];
							m = fltmpDt[1];
							y = fltmpDt[2];	
							if(y.length <= 2)
							{					
							y = "20"+y;
							}
						}
						ddd=d;
						mmm = m;
						yyy = y;
					}
				}
				else
				{
					fltmpRt = fltmpRt.split("/");
					d = fltmpRt[0];
					m = fltmpRt[1];
					y = fltmpRt[2];
					if(y.length <= 2)
					{
						y = "20"+y;
					}
					if(m > 12)
					{
						fltmpRt = xrdate;
						fltmpRt = fltmpRt.split("/");
						d = fltmpRt[0];
						m = fltmpRt[1];
						y = fltmpRt[2];	
						if(y.length <= 2)
						{
							y = "20"+y;
						}
					}
					
					if(!(fltmpDt.match(/^([0-9]){2}(\/){1}([0-9]){2}(\/)([0-9]){2,4}$/)))
					{
						
					}
					else 
					{
						
						fltmpDt = fltmpDt.split("/");
						var tdd = fltmpDt[0];
						var tdm = fltmpDt[1];			//temp date var for 
						var tdy = fltmpDt[2];			//checking with return date
						if(tdy.length <= 2)
						{
							tdy = "20"+tdy;
						}
						  if(tdm > 12)
						{
							fltmpDt = xdate;
							fltmpDt = fltmpDt.split("/");
							tdd = fltmpDt[0];
							tdm = fltmpDt[1];
							tdy = fltmpDt[2];	
							if(tdy.length <= 2)
							{					
								tdy = "20"+tdy;
							}
						}	
						if((tdy > y)||(tdy == y && tdm > m)||(tdy == y && tdm == m && tdd > d))
						{
							d=tdd;
							m=tdm;
							y=tdy;
						}
							ddd=tdd;
							mmm = tdm;
							yyy = tdy;
					}

				}

				
				if(pos == 1){
                                        xpos += 0;
                                        ypos += 20;
                                }else{
                                        xpos -= 134;
                                        ypos += 18;
                                }
                                        BC('cal').style.left = xpos +'px';
                                        BC('cal').style.top = ypos +'px';
				break;
									
				default : break;
			}
			
			
		writeCalendar(d,m,y,req);
	}
}

function writeCalendar(d,m,y,t)
{
	var target = t;
	var renderObj = document.getElementById('calBody');
	if (renderObj.hasChildNodes)
	{
		while (renderObj.hasChildNodes()) {renderObj.removeChild(renderObj.firstChild);}
	}
	var days = new Array();
	var rawdays = new Array();
	var baseDate = new Date(y,m-1,1);
	var dow = baseDate.getDay();
	
	var maxDays = new Date(y,m,0).getDate();
	for (var ctr = 0; ctr < maxDays; ctr++)
	{
		rawdays.push(new Date(y,m-1,ctr+1));
	}
	var fday = rawdays[0].getDay();
	var lday = fday + maxDays-1;
	var dctr = 0;
	var start = (fday == 0) ? -6:1;
	var stop = (fday ==0)? 36:43;
	for (var ctr= start; ctr< stop;ctr++)
	{
		if (ctr < fday || ctr > lday) days.push(CreateDay(0,0,0,''));
		else {
			days.push(CreateDay(rawdays[dctr].getFullYear(),rawdays[dctr].getMonth()+1,rawdays[dctr].getDate(),target));
			dctr++;
		}		
	}
	for (var i = 0; i < days.length;)
	{
		var r = document.createElement('tr');
		if (i>7 && days[i].innerHTML == '&nbsp;') break;
		for (var x = 0; x<7; x++)
		{
			r.appendChild(days[i++])
		}
		renderObj.appendChild(r);
		
	}
var month;
if(m == "08" || m=="09"){
	if(m == "08"){m=8;}
	if(m == "09"){m=9;}
}else{
	m = parseInt(m);
}

	BC('showD').innerHTML = '<table cellspacing="0" cellpadding="0" border="0" width="100%"><tr height="20"><td style="border-color:#e1f0fc" width="15%"><a href="javascript:writeCalendar(1,' + (m-1) + ','+y+',\''+t+'\')" ><img src="http://www.hotelbookers.com/tdbe/banners_2009/arrow_previous.gif" border="0"></a></td><td width="70%" style="border-color:#e1f0fc"><font color="#000000"><b>'+  monthNames1[baseDate.getMonth()] + ' ' + baseDate.getFullYear()+'</b></font></td><td style="border-color:#e1f0fc" align="right" width="15%">'+
/*	BC('showD').innerHTML +=*/ '<a href="javascript:writeCalendar(1,' + (m+1) + ','+y+',\''+t+'\')" ><img src="http://www.hotelbookers.com/tdbe/banners_2009/arrow_next.gif" border="0"></a></td></tr></table>'
}

function SetDates(iy,im,id,t)
{
				
	var safeDate = new Date(iy,im-1,id);
	var y = safeDate.getFullYear();
	var m = parseInt(safeDate.getMonth(),10) +1;
	m = (m < 10)? '0'+m:m;	
	var d = safeDate.getDate();
	d = (d < 10)? '0'+d:d;
	var dT;
	var mT;
	var sisterField = '';
	var compareValue = 0;
	var mode = 0;
	
	switch (t)
	{
		case 'in':
			BC('checkin').value = d + '/' + m + '/' + y;
			break;
		case 'out':
			BC('checkout').value = d + '/' + m + '/' + y;
			break;
	}
	
	if (sisterField != '') UpdateDates(sisterField);
	CloseCalendar();	
}