function toggleDiv(toShow,toHide) {
	$(toShow+'Button').setAttribute('class', 'active');
	$(toHide+'Button').setAttribute('class', '');
	$(toShow+'Body').show();
	$(toHide+'Body').hide();
}


function checkFlights() {

	if ($('LeavingFrom').value == "" || $('LeavingFrom').value == "Leaving From") { alert("Please enter a depature city."); $('LeavingFrom').focus(); return false;}

	if ($('ArrivingAt').value == "" || $('ArrivingAt').value == "Arriving At") { alert("Please enter a arrival city."); $('ArrivingAt').focus(); return false;}

    if($('DepartureDate').value == "" || $('DepartureDate').value == "mm/dd/yyyy"){ alert("Please enter a departure date."); $('DepartureDate').focus();return false;}

	if (document.forms['flightsearch'].TripType[0].checked) {
	
		if($('ArrivalDate').value == "" || $('ArrivalDate').value == "mm/dd/yyyy"){ alert("Please enter a arrival date."); $('ArrivalDate').focus();return false;}
		
		checkdate($('ArrivalDate'));
		
	}


	checkdate($('DepartureDate'));

	return true;

}
function checkHotels() {

	if ($('HotelDestination').value == "" || $('HotelDestination').value == "City or Airport:") { alert("Please enter a city or airport for Hotel."); $('HotelDestination').focus(); return false;}

	if($('HotelArrivalDate').value == "" || $('HotelArrivalDate').value == "mm/dd/yyyy"){ alert("Please enter a arrival date."); $('HotelArrivalDate').focus();return false;}
		
    if($('HotelDepartureDate').value == "" || $('HotelDepartureDate').value == "mm/dd/yyyy"){ alert("Please enter a departure date."); $('HotelDepartureDate').focus();return false;}

	checkdate($('HotelArrivalDate'));

	checkdate($('HotelDepartureDate'));

	return true;

}


function checkAvailability() {

    if($('DepartureDate').value == "" || $('DepartureDate').value == "mm/dd/yyyy"){ alert("Please enter a departure date."); $('DepartureDate').focus();return false;}

	if($('ArrivalDate').value == "" || $('ArrivalDate').value == "mm/dd/yyyy"){ alert("Please enter a arrival date."); $('ArrivalDate').focus();return false;}
		
	checkdate($('ArrivalDate'));

	checkdate($('DepartureDate'));

	if($('ContactName').value == "") { alert("Please enter a Contact Name."); $('ContactName').focus(); return false;}

	if($('ContactEmail').value == "") { alert("Please enter a Contact Email."); $('ContactEmail').focus(); return false;}

	if($('ContactPhone').value == "") { alert("Please enter a Contact Phone."); $('ContactPhone').focus(); return false;}

	if($('code').value == "") { alert("Please re-enter the Security Code."); $('code').focus(); return false;}


	return true;

}

function checkdate(objName) {
var datefield = objName;
if (datefield.value=='mm/dd/yyyy') return true;
if (chkdate(objName) == false) {
datefield.select();
alert("That date is invalid.  Please try again.");

datefield.focus();
return false;
}
else {
return true;
   }
}
function chkdate(objName) {
var strDate;
var strDateArray;
var strDay;
var strMonth;
var strYear;
var intday;
var intMonth;
var intYear;
var booFound = false;
var datefield = objName;
var strSeparatorArray = new Array("-"," ","/",".");
var intElementNr;
var err = 0;
strDate = datefield.value;
if (strDate.length < 1) {
return true;
}

for (intElementNr = 0; intElementNr < strSeparatorArray.length; intElementNr++) {
if (strDate.indexOf(strSeparatorArray[intElementNr]) != -1) {
strDateArray = strDate.split(strSeparatorArray[intElementNr]);
if (strDateArray.length != 3) {
err = 1;
return false;
}
else {
strDay = strDateArray[0];
strMonth = strDateArray[1];
strYear = strDateArray[2];
}
booFound = true;
   }
}
if (booFound == false) {
if (strDate.length>5) {
strDay = strDate.substr(0, 2);
strMonth = strDate.substr(2, 2);
strYear = strDate.substr(4);

   }
}
if (strDate.length>5) {
if (strYear.length == 2) {
strYear = '20' + strYear;
}
}


strTemp = strDay;
strDay = strMonth;
strMonth = strTemp;


intday = parseInt(strDay, 10);
if (isNaN(intday)) {
err = 2;
return false;
} else if (intday<10) intday='0'+intday;
intMonth = parseInt(strMonth, 10);
if (isNaN(intMonth)) {
err = 3;
return false;
} else if (intMonth<10) intMonth='0'+intMonth;

intYear = parseInt(strYear, 10);
if (isNaN(intYear)) {
err = 4;
return false;
}
if (intMonth>12 || intMonth<1) {
err = 5;
return false;
}
if ((intMonth == 1 || intMonth == 3 || intMonth == 5 || intMonth == 7 || intMonth == 8 || intMonth == 10 || intMonth == 12) && (intday > 31 || intday < 1)) {
err = 6;
return false;
}
if ((intMonth == 4 || intMonth == 6 || intMonth == 9 || intMonth == 11) && (intday > 30 || intday < 1)) {
err = 7;
return false;
}
if (intMonth == 2) {
if (intday < 1) {
err = 8;
return false;
}
if (LeapYear(intYear) == true) {
if (intday > 29) {
err = 9;
return false;
}
}
else {
if (intday > 28) {
err = 10;
return false;
}
}
}
datefield.value = intMonth + "/" + intday+"/" + strYear;
return true;
}


function LeapYear(intYear) {
	if (intYear % 100 == 0) {
	if (intYear % 400 == 0) { return true; }
	}
	else {
	if ((intYear % 4) == 0) { return true; }
	}
	return false;
}