var currentSlide = 1;
var nextSlide = 1;
var prevSlide = 1;
var ctrSlide = 1;


var totalCost = 0;

function showNextSlide()
{
	if(ctrSlide >= nextSlide)
	{
		showSlide(nextSlide);
	}
}

function showPrevSlide()
{
	if(prevSlide >=1)
	{
		showSlide(prevSlide);
	}
}


function showSlide(id)
{
	var obj = document.getElementById('panel_' + id);

	var prevobj = document.getElementById('panel_'+currentSlide);
	
	var nextctr = parseInt(id) + 1;
	
	var prevctr = parseInt(id) - 1;

	obj.style.display ="block";
	
	if(currentSlide != id)
	{
		prevobj.style.display ="none";
	}

	prevSlide = prevctr;
	nextSlide = nextctr;
	
	currentSlide = id;
}

function showNumStay(id)
{

	if(id == '1')
	{
		document.getElementById('numDays').style.display = 'block';
		document.getElementById('numWeeks').style.display = 'none';
		document.getElementById('numMonths').style.display = 'none';		
	}
	else if(id == '2')
	{
		document.getElementById('numDays').style.display = 'none';
		document.getElementById('numWeeks').style.display = 'block';
		document.getElementById('numMonths').style.display = 'none';		
	}
	else if(id == '3')
	{
		document.getElementById('numDays').style.display = 'none';
		document.getElementById('numWeeks').style.display = 'none';
		document.getElementById('numMonths').style.display = 'block';		
	}
}
function showPickUp(val)
{
	if(val == '1')
	{
		document.getElementById('pickup').style.display = 'block';
	}
	else
	{
		document.getElementById('pickup').style.display = 'none';
	}
}

function computeBookingTotal()
{
	var total_charge_php = document.getElementById('total_charge_php');
	var total_charge_us = document.getElementById('total_charge_us');	
	var package_id = document.getElementById('package_id');
    var b_1 = document.getElementById('b_1');
    var b_2 = document.getElementById('b_2');
    var b_3 = document.getElementById('b_3');
    var o_1 = document.getElementById('o_1');
    var o_2 = document.getElementById('o_2');
    var o_3 = document.getElementById('o_3');
	
	var length_of_stay = document.getElementById('length_of_stay'); 
	var length_of_stay_no_days = document.getElementById('length_of_stay_no_days');
	var length_of_stay_no_weeks = document.getElementById('length_of_stay_no_weeks');
	var length_of_stay_no_months = document.getElementById('length_of_stay_no_months');	
	var no_of_room = document.getElementById('no_of_room');
	var airport_pickup = document.getElementById('airport_pickup');
	var no_of_person = document.getElementById('no_of_person');
	var currency = document.getElementById('currency');
	var no_of_person_in_room = document.getElementById('no_of_person_in_room');
	
	var lblTotalPhp = document.getElementById('lblTotalPhp');
	var lblTotalUS = document.getElementById('lblTotalUS');	

	if(length_of_stay.value == '')
	{
		alert('Length of Stay is required!');
		return false;
	}

	var no_stay = 0 ;
	var no_pickup = 0;
	var deposit = 0;
	var no_person = 0;
	if(package_id.value == '1')
	{
		switch(length_of_stay.value)
		{
			case '1':
				if(no_of_person_in_room.value > 2)
				{
					no_person = (parseInt(no_of_person_in_room.value) - 2) * 200 * parseInt(length_of_stay_no_days.value);
				}
				no_stay = (parseInt(b_1.value) * parseInt(length_of_stay_no_days.value)) + parseInt(b_1.value) + no_person;
				deposit = b_1.value ;
			break;
			case '2':
				if(no_of_person_in_room.value > 2)
				{
					no_person = (parseInt(no_of_person_in_room.value) - 2) * 200 * 7 * parseInt(length_of_stay_no_weeks.value);
				}			
				no_stay = (parseInt(b_2.value) * parseInt(length_of_stay_no_weeks.value)) + parseInt(b_1.value) + no_person ;	
				deposit = b_1.value ;				
			break;
			case '3':
				if(no_of_person_in_room.value > 2)
				{
					no_person = (parseInt(no_of_person_in_room.value) - 2) * 3000 * parseInt(length_of_stay_no_days.value);
				}			
				no_stay = (parseInt(b_3.value) * parseInt(length_of_stay_no_months.value)) + parseInt(b_3.value) + no_person  ;
				deposit = b_3.value ;				
			break;
		}

	}
	else if(package_id.value == '2')
	{
		switch(length_of_stay.value)
		{
			case '1':
				if(no_of_person_in_room.value > 2)
				{
					no_person = (parseInt(no_of_person_in_room.value) - 2) * 200 * parseInt(length_of_stay_no_days.value);
				}			
				no_stay = (parseInt(o_1.value) * parseInt(length_of_stay_no_days.value)) + parseInt(o_1.value) + no_person  ;
				deposit = o_1.value ;	
			break;
			case '2':
				if(no_of_person_in_room.value > 2)
				{
					no_person = (parseInt(no_of_person_in_room.value) - 2) * 200 * 7 * parseInt(length_of_stay_no_weeks.value);
				}					
				no_stay = (parseInt(o_2.value) * parseInt(length_of_stay_no_weeks.value)) + parseInt(o_1.value) + no_person  ;
				deposit = o_1.value ;	
			break;
			case '3':
				if(no_of_person_in_room.value > 2)
				{
					no_person = (parseInt(no_of_person_in_room.value) - 2) * 3000 * parseInt(length_of_stay_no_days.value);
				}				
				no_stay = (parseInt(o_3.value) * parseInt(length_of_stay_no_months.value)) + parseInt(o_3.value) + no_person  ;		
				deposit = o_3.value ;	
			break;
		}

	}
	
	if(airport_pickup.value == '1')
	{
		if(no_of_person.value > 1)
			no_pickup = ((parseInt(no_of_person.value) - 1) * 100 ) + 700;
		else
			no_pickup = 700;
		
	}
	total_charge_php.value = no_stay * parseInt(no_of_room.value) + no_pickup;
	lblTotalPhp.innerHTML = total_charge_php.value;
	
	total_charge_us.value = Math.round((total_charge_php.value / parseInt(currency.value))*100)/100 ;
	lblTotalUS.innerHTML = total_charge_us.value;	
}

function number_format( number, decimals, dec_point, thousands_sep ) {
    // http://kevin.vanzonneveld.net
    // +   original by: Jonas Raoni Soares Silva (http://www.jsfromhell.com)
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +     bugfix by: Michael White (http://crestidg.com)
    // +     bugfix by: Benjamin Lupton
    // +     bugfix by: Allan Jensen (http://www.winternet.no)
    // +    revised by: Jonas Raoni Soares Silva (http://www.jsfromhell.com)    
    // *     example 1: number_format(1234.5678, 2, '.', '');
    // *     returns 1: 1234.57     
 
    var n = number, c = isNaN(decimals = Math.abs(decimals)) ? 2 : decimals;
    var d = dec_point == undefined ? "," : dec_point;
    var t = thousands_sep == undefined ? "," : thousands_sep, s = n < 0 ? "-" : "";
    var i = parseInt(n = Math.abs(+n || 0).toFixed(c)) + "", j = (j = i.length) > 3 ? j % 3 : 0;
    
    return s + (j ? i.substr(0, j) + t : "") + i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + t) + (c ? d + Math.abs(n - i).toFixed(c).slice(2) : "");
}