var MonthNameList = new Array("May","Jun","Jul","Aug","Sep","Oct","Nov","Dec","Jan","Feb","Mar","Apr","May");
var MonthList = new Array(5,6,7,8,9,10,11,12,1,2,3,4,5);
var YearList = new Array(2008,2008,2008,2008,2008,2008,2008,2008,2009,2009,2009,2009,2009);
var StartDate = new Array();
var StopDate = new Array();
var DayOfWeek = new Array();
var MultiDesk = 'http://booking.bangkokair.com/birts/ft/multidestx.aspx';
var CalendarCell = new Array(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);
StartDate['2008005'] =12;
StartDate['2008006'] =1;
StartDate['2008007'] =1;
StartDate['2008008'] =1;
StartDate['2008009'] =1;
StartDate['2008010'] =1;
StartDate['2008011'] =1;
StartDate['2008012'] =1;
StartDate['2009001'] =1;
StartDate['2009002'] =1;
StartDate['2009003'] =1;
StartDate['2009004'] =1;
StartDate['2009004'] =1;
StopDate['2008005'] =31;
StopDate['2008006'] =30;
StopDate['2008007'] =31;
StopDate['2008008'] =31;
StopDate['2008009'] =30;
StopDate['2008010'] =31;
StopDate['2008011'] =30;
StopDate['2008012'] =31;
StopDate['2009001'] =31;
StopDate['2009002'] =28;
StopDate['2009003'] =31;
StopDate['2009004'] =30;
StopDate['2009004'] =31
DayOfWeek['2008005'] =1;
DayOfWeek['2008006'] =0;
DayOfWeek['2008007'] =2;
DayOfWeek['2008008'] =5;
DayOfWeek['2008009'] =1;
DayOfWeek['2008010'] =3;
DayOfWeek['2008011'] =6;
DayOfWeek['2008012'] =1;
DayOfWeek['2009001'] =4;
DayOfWeek['2009002'] =0;
DayOfWeek['2009003'] =0;
DayOfWeek['2009004'] =3;
DayOfWeek['2009004'] =2;
var DOWMask = new Array('Sun','Mon','Tue','Wed','Thu','Fri','Sat');
var ChReturn = 0;
var CurrentCalendar = '';


var Route = new Array();
Route['PNH'] = 'Phnom Penh';
Route['REP'] = 'Siem Reap';
Route['BKK'] = 'Bangkok';
Route['CNX'] = 'Chiang Mai';
Route['HKG'] = 'Hong Kong';
Route['LPQ'] = 'Luang Prabang';
Route['UTP'] = 'Pattaya (U Tapao)';
Route['HKT'] = 'Phuket';
Route['USM'] = 'Samui';
Route['THS'] = 'Sukhothai';
Route['SIN'] = 'Singapore';
Route['TDX'] = 'Trat';
Route['RGN'] = 'Yangon (Myanmar)';
Route['KRB'] = 'Krabi';
Route['KLP'] = 'Kuala Lumpur';
Route['KKG'] = 'Koh Kong';
Route['SHV'] = 'Sihanoukville';
Route['PKZ'] = 'Pakse';

function showDMonth()
{
	for (i=0;i<MonthList.length-1;i++)
	{
		document.write('<option value="'+((YearList[i]*1000)+MonthList[i])+'">'+MonthNameList[i]+' '+YearList[i]+'</option>'); 
	}
}

function ShowDDate()
{
document.write('<option value=12>Mon 12</option>');
document.write('<option value=13>Tue 13</option>');
document.write('<option value=14>Wed 14</option>');
document.write('<option value=15>Thu 15</option>');
document.write('<option value=16>Fri 16</option>');
document.write('<option value=17>Sat 17</option>');
document.write('<option value=18>Sun 18</option>');
document.write('<option value=19>Mon 19</option>');
document.write('<option value=20>Tue 20</option>');
document.write('<option value=21>Wed 21</option>');
document.write('<option value=22>Thu 22</option>');
document.write('<option value=23>Fri 23</option>');
document.write('<option value=24>Sat 24</option>');
document.write('<option value=25>Sun 25</option>');
document.write('<option value=26>Mon 26</option>');
document.write('<option value=27>Tue 27</option>');
document.write('<option value=28>Wed 28</option>');
document.write('<option value=29>Thu 29</option>');
document.write('<option value=30>Fri 30</option>');
document.write('<option value=31>Sat 31</option>');
}

function showMonth(o,m,d)
{
	var dow = DayOfWeek[m];
	d = StartDate[m];
	for (i=StartDate[m];i<d;i++)
	{
		dow = (dow+1)%7;
	}

	var box = document.bookingform[o];

	box.options.length = 0;
		
	row = 0;
	for (i=d;i<=StopDate[m];i++)
	{
		box.options[row] = new Option(''+DOWMask[dow]+' '+i,i);
		dow = (dow+1)%7;
		row++;
	}
}

function setReturnDate()
{
	if (ChReturn==0)
	{
		var box = document.bookingform['dmonth'];
		var temp = box.selectedIndex;
		var CurrentMonth = box.options[temp].value % 1000;
		var CurrentYear = ((box.options[temp].value-CurrentMonth) / 1000);
		box = document.bookingform['ddate'];
		var temp = box.selectedIndex;
		var CurrentDate =  box.options[temp].value;
	
		for (i=0;i<3;i++)
		{
			CurrentDate++;
			if (CurrentDate>StopDate[(CurrentYear*1000)+CurrentMonth])
			{
				CurrentDate = 1;
				CurrentMonth++;
				if (CurrentMonth>12)
				{
					CurrentYear++;
					CurrentMonth = 1;
				}
			}
		}

		CurrentMonth = (CurrentYear*1000)+CurrentMonth;
		box = document.bookingform['rmonth'];
		for (i=0;i<box.length;i++)
		{
			if (box.options[i].value==CurrentMonth)
			{
				box.selectedIndex = i;
			}
		}
		showMonth('rdate',CurrentMonth,0);
		box = document.bookingform['rdate'];
		for (i=0;i<box.length;i++)
		{
			if (box.options[i].value==CurrentDate)
			{
				box.selectedIndex = i;
			}
		}
	}
}

function CheckReturn()
{
	ChReturn++;
	var box = document.bookingform['dmonth'];
	var temp = box.selectedIndex;
	var CurrentMonth = parseInt(box.options[temp].value);
	box = document.bookingform['ddate'];
	temp = box.selectedIndex;
	var CurrentDate =  parseInt(box.options[temp].value);
	CurrentDate = (CurrentMonth*100)+CurrentDate;

	box = document.bookingform['rmonth'];
	temp = box.selectedIndex;
	CurrentMonth = parseInt(box.options[temp].value);
	box = document.bookingform['rdate'];
	temp = box.selectedIndex;
	var ReturnDate =  parseInt(box.options[temp].value);
	ReturnDate = (CurrentMonth*100)+ReturnDate;


	if (ReturnDate<CurrentDate)
	{
		ReturnDate = CurrentDate;
	}

	CurrentDate = ReturnDate % 100;
	CurrentMonth = (ReturnDate-CurrentDate)/100;
	box = document.bookingform['rmonth'];
	for (i=0;i<box.length;i++)
	{
		if (box.options[i].value==CurrentMonth)
		{
			box.selectedIndex = i;
		}
	}
	showMonth('rdate',CurrentMonth,0);
	box = document.bookingform['rdate'];
	for (i=0;i<box.length;i++)
	{
		if (box.options[i].value==CurrentDate)
		{
			box.selectedIndex = i;
		}
	}
}

function AssertValue()
{
	var MonthMask = new Array("","JAN","FEB","MAR","APR","MAY","JUN","JUL","AUG","SEP","OCT","NOV","DEC");
	var m = parseInt(document.bookingform.dmonth.value)%100;
	document.bookingform.cboDepMonth.value = MonthMask[m];
	var m = parseInt(document.bookingform.rmonth.value)%100;
	document.bookingform.cboArrMonth.value = MonthMask[m];
	document.bookingform.cboDepDay.value = 	document.bookingform.ddate.value;
	document.bookingform.cboArrDay.value = 	document.bookingform.rdate.value;
}


function ChDest(o,d)
{
	var Dest = new Array();
	Dest['PNH'] = new Array('REP','BKK','HKG');
Dest['REP'] = new Array('PNH','BKK','HKG','HKT','PKZ','SGN');
Dest['BKK'] = new Array('PNH','REP','CNX','HKG','LPQ','USM','THS','TDX','RGN');
Dest['CNX'] = new Array('BKK','USM','THS');
Dest['HKG'] = new Array('PNH','REP','USM');
Dest['LPQ'] = new Array('BKK','REP');
Dest['UTP'] = new Array('USM','HKT');
Dest['HKT'] = new Array('BKK','UTP','USM');
Dest['USM'] = new Array('BKK','UTP','HKG','HKT','SIN');
Dest['THS'] = new Array('CNX','BKK');
Dest['SIN'] = new Array('USM');
Dest['TDX'] = new Array('BKK');
Dest['RGN'] = new Array('BKK');
Dest['PKZ'] = new Array('REP');
	
	var box = document.bookingform[o];
	box.options.length = 0;
	var temp = 0;
	for (i=0;i<Dest[''+d].length;i++)
	{
		temp = Dest[''+d][i];
		box.options[i] = new Option(Route[temp],temp);
	}
}

function CheckOneWay(d)
{
	document.bookingform.rmonth.disabled=d;
	document.bookingform.rdate.disabled=d;
}

function goMulti()
{
	window.open(MultiDesk,'_self');
}


function Dialog(dname,x,y,dwidth,dheight,dcaption,dmsg,Dcolor,DBcolor)
{
	document.write('<div id="'+dname+'"><table width="100%" border="0" cellspacing="0" cellpadding="0"><tr bgcolor="'+DBcolor+'"><td width="1" height="1"><img src="'+BASEDIR+'image/invis.gif" alt="" width="1" height="1" border="0" /></td><td><img src="'+BASEDIR+'image/invis.gif" alt="" width="1" height="1" border="0" /></td><td width="1" height="1"><img src="'+BASEDIR+'image/invis.gif" alt="" width="1" height="1" border="0" /></td></tr><tr><td bgcolor="'+DBcolor+'"><img src="'+BASEDIR+'image/invis.gif" alt="" width="1" height="1" border="0" /></td><td bgcolor="'+Dcolor+'"><table width="100%" border="0" cellspacing="2" cellpadding="2"><tr><td>');

	document.write('<table width="100%" border="0" cellspacing="0" cellpadding="0"><tr><td>'+dcaption+'</td><td width="20" align="right" valign="top"><a href="javascript:CloseW()"><img src="'+BASEDIR+'image/xcross.gif" alt="Close Window" width="12" height="12" border="0" align="absmiddle"/></a></td></tr></table>');

	document.write(dmsg);

	document.write('</td></tr></table></td><td bgcolor="'+DBcolor+'0"><img src="'+BASEDIR+'image/invis.gif" alt="" width="1" height="1" border="0" /></td></tr><tr bgcolor="'+DBcolor+'"><td width="1" height="1"><img src="'+BASEDIR+'image/invis.gif" alt="" width="1" height="1" border="0" /></td><td><img src="'+BASEDIR+'image/invis.gif" alt="" width="1" height="1" border="0" /></td><td width="1" height="1"><img src="'+BASEDIR+'image/invis.gif" alt="" width="1" height="1" border="0" /></td></tr></table></div>');

	document.write('<style type="text/css">\n<!--#'+dname+' {	position:absolute;	width:'+dwidth+'px;	height:'+dheight+'px;	z-index:100;	left: '+x+'px;	top: '+y+'px; visibility: hidden; } -->\n</style>');
}

function CalendarCreate(field,y)
{
	var subject = "";
	if (field=="d")
	{
		subject = "Departure ";
	}
	else
	{
		subject = "Return ";
	}
	dmsg = '<div id="'+field+'calendarwin"></div>';
	var dmm = '<select name="'+field+'c" style="font-size:10px;" onChange="CalendarMonth(this.value)">'

	for (i=0;i<MonthList.length-1;i++)
	{
		dmm = dmm + '<option value='+i+ '>'+MonthNameList[i]+' '+YearList[i] +'</option>';
	}
	dmm = dmm + '</select>';

	Dialog(field+'calendar',margin+525,y,220,115,'<strong>'+subject+' : </strong>'+dmm,dmsg,'#FFCC66','#FF9900');
}

function CalendarClick(d)
{
	if (d>0)
	{
		var t = document.bookingform[CurrentCalendar+'date'].options[0].value;
		var i = 0;
		while (t!=d)
		{
			i++;
			t = document.bookingform[CurrentCalendar+'date'].options[i].value;
		}
		document.bookingform[CurrentCalendar+'date'].selectedIndex = i;
		if (CurrentCalendar=='d') 
		{
			setReturnDate();
		}
		else
		{
			ChReturn++;
		}
		CloseW();
	}
}

function CalendarMonth(m)
{
	document.bookingform[CurrentCalendar+'month'].selectedIndex = m;
	var k = document.bookingform[CurrentCalendar+'month'].options[m].value;
	SetCalendar(CurrentCalendar,k);
	showMonth(CurrentCalendar+'date',k,0);
	if (CurrentCalendar=='d') setReturnDate();
}

function SetCalendar(d,m)
{
	var cell = 0;
	var ccell = '';
	var dow = DayOfWeek[m];
	var tod = document.bookingform[d+'date'].selectedIndex;
	tod = document.bookingform[d+'date'].options[tod].value;

	for (i=StartDate[m];i>1;i--)
	{
		dow = (dow-1)%7;
		if (dow<0) dow = 6;
	}
	for (i=0;i<dow;i++)
	{
		CalendarCell[cell] = 0;
		cell++;
	}

	if (StartDate[m]>1)
	{
		for (i=1;i<StartDate[m];i++)
		{
			CalendarCell[cell] = -1*i;
			cell++;
		}
	}
	i = StartDate[m];
	
	while (i<=StopDate[m])
	{
		dmsg = dmsg + '<td bgcolor="#CCCCCC" align="center" height=14>'+i+'</td>';
		CalendarCell[cell] = i;
		cell++;
		i++;
	}
	while (cell<42)
	{
		CalendarCell[cell] = 0;
		cell++;
	}

	var dmsg = '<table width="100%" border=0 cellspacing=1 cellspacing=1>';
	var cdate = 0;
	dmsg = dmsg +'<tr><td width="14%">Sun</td><td width="14%">Mon</td><td width="14%">Tue</td><td width="14%">Wed</td><td width="14%">Thu</td><td width="14%">Fri</td><td width="14%">Sat</td></tr>';
	cell = 0;
	for (i=0;i<5;i++)
	{
		dmsg = dmsg + '<tr>';
		for (j=0;j<7;j++)
		{
			if (j==0)
			{
				Cl = '#FF8833';
				HCl = '#FFFFFF';
			}
			else
			{
				if (tod==CalendarCell[cell]) 
				{
					Cl = '#CC6633';
					HCl = '#FFFFFF';
				}
				else
				{
					Cl = '#FFDD77';
					HCl = '#FFFFFF';
				}
			}
			if (CalendarCell[cell]>cdate) cdate = CalendarCell[cell];
			if (CalendarCell[cell]==0)
			{
				if (j!=0)
				{
					dmsg = dmsg + '<td bgcolor="#FFAA55" align="center" height=14>&nbsp;</td>';
				}
				else
				{
					dmsg = dmsg + '<td bgcolor="'+Cl+'" align="center" height=14>&nbsp;</td>';
				}
			}
			else
			{
				if (CalendarCell[cell]<0)
				{
					dmsg = dmsg + '<td bgcolor="#FFAA55" align="center" height=14><font color="#CC7722">'+Math.abs(CalendarCell[cell])+'</font></td>';
				}
				else
				{
					dmsg = dmsg + '<td bgcolor="'+Cl+'" align="center" height=14';
					dmsg = dmsg + ' onMouseOver="this.style.background=\'';
					dmsg = dmsg + HCl;
					dmsg = dmsg +'\';"';
					dmsg = dmsg + ' onMouseOut="this.style.background=\'';
					dmsg = dmsg +Cl;
					dmsg = dmsg +'\';">';

					dmsg = dmsg + '<a href="javascript:CalendarClick('+CalendarCell[cell]+')">';
					if (tod==CalendarCell[cell]) 
					{
						dmsg = dmsg + '<b>'+CalendarCell[cell]+'</b>';
					}
					else
					{
						dmsg = dmsg + CalendarCell[cell];
					}
					dmsg = dmsg + '</a></td>';
				}
			}
			
			cell++;
		}
		dmsg = dmsg + '</tr>';
	}
	if (cdate<StopDate[m])
	{
		dmsg = dmsg+'<tr>';
		for (j=0;j<7;j++)
		{
			if (j==0)
			{
				Cl = '#FF8833';
			}
			else
			{
				Cl = '#FFDD77';
			}
			cdate = CalendarCell[cell];
			if (CalendarCell[cell]==0)
			{
				if (j!=0)
				{
					dmsg = dmsg + '<td bgcolor="#FFAA55" align="center" height=14>&nbsp;</td>';
				}
				else
				{
					dmsg = dmsg + '<td bgcolor="'+Cl+'" align="center" height=14>&nbsp;</td>';
				}
			}
			else
			{
				if (CalendarCell[cell]<0)
				{
					dmsg = dmsg + '<td bgcolor="#FFAA55" align="center" height=14><font color="#CC7722">'+Math.abs(CalendarCell[cell])+'</font></td>';
				}
				else
				{
					dmsg = dmsg + '<td bgcolor="'+Cl+'" align="center" height=14';
					dmsg = dmsg + ' onMouseOver="this.style.background=\'';
					dmsg = dmsg + HCl;
					dmsg = dmsg +'\';"';
					dmsg = dmsg + ' onMouseOut="this.style.background=\'';
					dmsg = dmsg +Cl;
					dmsg = dmsg +'\';">';
					dmsg = dmsg + '<a href="javascript:CalendarClick('+CalendarCell[cell]+')">';
					if (tod==CalendarCell[cell]) 
					{
						dmsg = dmsg + '<b>'+CalendarCell[cell]+'</b>';
					}
					else
					{
						dmsg = dmsg + CalendarCell[cell];
					}
					dmsg = dmsg + '</a></td>';
				}
			}
			
			cell++;
		}
		dmsg = dmsg + '</tr>';
	}
	dmsg = dmsg + '<tr><td align=center colspan=7><a href="javascript:CalendarToday()">Today</a></td></tr>';
	dmsg = dmsg + '</table>';
	document.getElementById(d+'calendarwin').innerHTML = dmsg;
}

function CalendarShow(field)
{
	CloseW();
	if (!document.bookingform[field+'month'].disabled)
	{
		var k = document.bookingform[field+'month'].selectedIndex;
		s = document.bookingform[field+'month'].options[k].value;
		document.bookingform[field+'c'].selectedIndex = k;
		SetCalendar(field,s);
		MM_showHideLayers(field+'calendar','','show');
		CurrentCalendar = field;
		document.bookingform['dmonth'].disabled=true;
		document.bookingform['ddate'].disabled=true;
		document.bookingform['rmonth'].disabled=true;
		document.bookingform['rdate'].disabled=true;
		if (field=="d")
		{
			document.bookingform['dmonth'].disabled=true;
			document.bookingform['ddate'].disabled=true;
			document.bookingform['rmonth'].style.visibility = 'hidden';
			document.bookingform['rdate'].style.visibility = 'hidden';
			document.bookingform['cboAdult'].style.visibility = 'hidden';
			document.bookingform['cboChild'].style.visibility = 'hidden';
		}
		else
		{
			document.bookingform['cboAdult'].style.visibility = 'hidden';
			document.bookingform['cboChild'].style.visibility = 'hidden';
		}
	}
}

function RestoreOBJ()
{
	document.bookingform['rmonth'].style.visibility = 'visible';
	document.bookingform['rdate'].style.visibility = 'visible';
	document.bookingform['cboAdult'].style.visibility = 'visible';
	document.bookingform['cboChild'].style.visibility = 'visible';
	document.bookingform['dmonth'].disabled=false;
	document.bookingform['ddate'].disabled=false;
	var k = 0;
	for(var i = 1; i < 4; i++) 
	{
		if(document.getElementById('optType'+i).checked) 
		{
			k = i;
		}
	}
	if (k!=2)
	{
		document.bookingform['rmonth'].disabled=false;
		document.bookingform['rdate'].disabled=false;
	}
}

function CloseW()
{
	MM_showHideLayers('infant','','hide','departure','','hide','dcalendar','','hide','rcalendar','','hide');
	RestoreOBJ();
}

function CalendarToday()
{
    document.bookingform['dmonth'].selectedIndex = 0;
    showMonth('ddate',(YearList[0]*1000)+MonthList[0],0);
	s = document.bookingform['dmonth'].options[0].value;
	SetCalendar('d',s);
	document.bookingform['dc'].selectedIndex = 0;
}

function CheckPassenger()
{
	var a = document.bookingform['cboAdult'].selectedIndex;
//	a++;
	a = (7-a);
	var box = document.bookingform['cboChild'];
	box.options.length = 0;
	for (i=0;i<a;i++)
	{
		box.options[i] = new Option(''+i,i);
	}
}