var strPopupText = "";
var boolPopup = false;
var strPopupAttributes = "";

// Caches child objects for use on onNumAdultsSelect
var iChildCache = "";
var nChildCache = "";
var submitReady = true;

function onNumChildrenSelect(childrenSelectBox, nChildren, adultFormItemName, form) {
	var frm = childrenSelectBox.form;
	var adultFormItem = frm.elements[adultFormItemName];


	var childCount = childrenSelectBox.options[childrenSelectBox.selectedIndex].value;
	var adultCount = adultFormItem.options[adultFormItem.selectedIndex].value;
	
	var totalCount = parseInt(adultCount) + parseInt(childCount);

	if(totalCount > 5){
		hideChildren();
		showPartySizeAlert(true);
	}
	else {		
		showChildren(childrenSelectBox, nChildren);
		showPartySizeAlert(false);
	}
	iChildCache = childrenSelectBox;
	nChildCache = nChildren;
}

function onNumAdultsSelect(adultsSelectBox, childFormItemName, form) {
	var frm = adultsSelectBox.form;
	var childFormItem = frm.elements[childFormItemName];
	
	var childCount = childFormItem.options[childFormItem.selectedIndex].value;
	var adultCount = adultsSelectBox.options[adultsSelectBox.selectedIndex].value;
	var totalCount = parseInt(adultCount) + parseInt(childCount);
	
	if(totalCount > 5){
		hideChildren();
		showPartySizeAlert(true);
	}
	else {		
		showChildren(iChildCache, nChildCache);
		showPartySizeAlert(false);
	}
}

function showPartySizeAlert(bShow){
	submitReady = !bShow;
	document.getElementById("header2").style.display = (bShow ? "block": "none");
	
	try { adjustFooter(); } catch(e) { }
}

function showDateAlert(bShow){
	submitReady = !bShow;
	document.getElementById("dateAlert").style.display = (bShow ? "block": "none");
	
	try { adjustFooter(); } catch(e) { }
}

function resetChildrenVis(nChildren){
	document.getElementById("header1").style.display = "none";

	for(var i=1; i<=nChildren; i++) {
		var elementId = "child" + i;
		document.getElementById(elementId).style.display = "none";
	}
	
	try { adjustFooter(); } catch(e) { }
}

function hideChildren(){
	document.getElementById("header1").style.display = "none";

	try { adjustFooter(); } catch(e) { }
}


function showChildren(selectBox, nChildren)
{
	resetChildrenVis(nChildren);

	var n = selectBox.value;
	if(n>=1) {
		document.getElementById("header1").style.display = "block";
	}

	for(var i=1; i<=n; i++) {
		var elementId = "child" + i;
		document.getElementById(elementId).style.display = "block";
	}
	
	try { adjustFooter(); } catch(e) { }
}

dateRestricted = false;
nightsRequired = false;

function onBookingEngineSubmit(form){
	var tmp = "";
	tmp = document.forms[form].arrivalMonth;
	var aMonth = tmp.options[tmp.selectedIndex].value;
	tmp = document.forms[form].arrivalDate;
	var aDate = tmp.options[tmp.selectedIndex].value;
	tmp = document.forms[form].arrivalYear;
	var aYear = tmp.options[tmp.selectedIndex].value;
	
	tmp = document.forms[form].departureMonth;
	var dMonth = tmp.options[tmp.selectedIndex].value;
	tmp = document.forms[form].departureDate;
	var dDate = tmp.options[tmp.selectedIndex].value;
	tmp = document.forms[form].departureYear;
	var dYear = tmp.options[tmp.selectedIndex].value;
	
	aMonth = appendZero(aMonth);
	aDate  = appendZero(aDate);
	dMonth = appendZero(dMonth);
	dDate  = appendZero(dDate);
	
	tmp = document.forms[form].numAdults;
	var adultsTmp = tmp.options[tmp.selectedIndex].value;
	tmp = document.forms[form].numChildren;
	var childrenTmp = tmp.options[tmp.selectedIndex].value;
	
	tmp = document.forms[form].resort;
	var resort = tmp.value;

	// BEGIN CHECK FOR DATE RESTRICTIONS AND MINIMUM STAY RESTRICTIONS
	// ---------------------------------------------------------------
	dateOutOfRange = 0;
	
	var arrivalDateCheck = aYear + aMonth + aDate;
	var departureDateCheck = dYear + dMonth + dDate;
	
	if (dateRestricted) {
		if (arrivalDateCheck < minDate || arrivalDateCheck > maxDate) {
			dateOutOfRange = 1;
		}
		if (departureDateCheck < minDate || departureDateCheck > maxDate) {
			dateOutOfRange = 1;
		}
	}
	
	if (nightsRequired) {
		var arrivalDateObj = new Date(aYear, aMonth-1, aDate);
		var departureDateObj = new Date(dYear, dMonth-1, dDate);
		stayLength = (departureDateObj - arrivalDateObj)/(24*60*60*1000);

		if (stayLength < nightsRequired) {
			dateOutOfRange = 1;
		}
	}

	if (dateRestricted || nightsRequired) {
		if (dateOutOfRange==1) {
			showDateAlert(true);
			return false;
		} else {
			showDateAlert(false);
		}
	}

	// ---------------------------------------------------------------
	// END CHECK FOR DATE RESTRICTIONS AND MINIMUM STAY RESTRICTIONS
	
	var arrivalDateTmp = aYear + "-" + aMonth + "-" + aDate;
	var departureDateTmp = dYear + "-" + dMonth + "-" + dDate;
	
	postURL = "http://disneyworld.disney.go.com/services/en_US/BookingGenie/redirectDlr?gatewayID=search"
	postURL += "&" + "arrivalDate=" + arrivalDateTmp;
	postURL += "&departureDate=" + departureDateTmp;
	postURL += "&adults=" + adultsTmp;
	postURL += "&children=" + childrenTmp;
	
	if(childrenTmp > 0){
		tmp = document.forms[form].child1Age;
		if(tmp != null){
			var c1 = tmp.options[tmp.selectedIndex].value;
			c1 = checkInfant(c1);
			//postURL += "&child1=" + c1;
			postURL += "&ages=" + c1;
		}
	}
	if(childrenTmp > 1){
		tmp = document.forms[form].child2Age;
		if(tmp != null){
			var c2 = tmp.options[tmp.selectedIndex].value;
			c2 = checkInfant(c2);
			postURL += "," + c2;
		}
	}
	if(childrenTmp > 2){
		tmp = document.forms[form].child3Age;
		if(tmp != null){
			var c3 = tmp.options[tmp.selectedIndex].value;
			c3 = checkInfant(c3);
			postURL += "," + c3;
		}
	}
	if(childrenTmp > 3){
		tmp = document.forms[form].child4Age;
		if(tmp != null){
			var c4 = tmp.options[tmp.selectedIndex].value;
			c4 = checkInfant(c4);
			postURL += "," + c4;
		}
	}
	if(childrenTmp > 4){
		tmp = document.forms[form].child5Age;
		if(tmp != null){
			var c5 = tmp.options[tmp.selectedIndex].value;
			c5 = checkInfant(c5);
			postURL += "," + c5;
		}
	}
	if(childrenTmp > 5){
		tmp = document.forms[form].child6Age;
		if(tmp != null){
			var c6 = tmp.options[tmp.selectedIndex].value;
			c6 = checkInfant(c6);
			postURL += "," + c6;
		}
	}
	if(childrenTmp > 6){
		tmp = document.forms[form].child7Age;
		if(tmp != null){
			var c7 = tmp.options[tmp.selectedIndex].value;
			c7 = checkInfant(c7);
			postURL += "," + c7;
		}
	}
	
	postURL += "&action=quick"
	
	if (document.forms[form].packagePlan.length==3){
		//in 3-button modules, if either air/hotel/tickets or hotel/tickets checked, do nothing
		if (document.forms[form].packagePlan[0].checked||document.forms[form].packagePlan[1].checked) {
			//postURL += "&resortOnly=false";
		}
		else{
			postURL += "&type=room";
		}
	}

	if (document.forms[form].packagePlan.length==2){
		//in 2-button modules, if hotel/tickets checked, do nothing
		if (document.forms[form].packagePlan[0].checked)  {
			//postURL += "&resortOnly=false";
		}
		else{
			postURL += "&type=room";
		}
	}
	
	if (resort!="") {
		postURL += "&resort=" + resort;
	}
	
	postURL += '&maxOffers=1&minOffers=1'

	if(submitReady){
		if (boolPopup == true) {
			confirmRedirect(postURL, strPopupText, strPopupAttributes)
		} else {
			window.location = postURL;
		}
	}
	else{

	}
	return false;
}

function appendZero(val){
	if(Number(val) < 10){
		return "0" + val;
	}
	else return val;
}

function checkInfant(val){
	if(Number(val) < 2){
		return "Infant";
	}
	else return val;
}

function adjustFooter() {
	var objColumn1 = document.getElementById("column1");
	var intColumn1Bottom = (objColumn1 != null) ? objColumn1.offsetTop + objColumn1.offsetHeight : 0;
	var objColumn2 = document.getElementById("column2");
	var intColumn2Bottom = (objColumn2 != null) ? objColumn2.offsetTop + objColumn2.offsetHeight : 0;
	var objColumn3 = document.getElementById("column3");
	var intColumn3Bottom = (objColumn3 != null) ? objColumn3.offsetTop + objColumn3.offsetHeight : 0;
	
	var intPageBottom = Math.max(intColumn1Bottom,intColumn2Bottom);
	intPageBottom = Math.max(intPageBottom,intColumn3Bottom) - 25;
	
	var objDisclaimer = document.getElementById("disclaimer");
	var intDisclaimerHeight = 0;
	if (objDisclaimer != null) {
		var intDisclaimerTop = objDisclaimer.offsetTop;
		objDisclaimer.style.top = intPageBottom + "px";
		intDisclaimerHeight = objDisclaimer.offsetHeight;
	}
	
	var objFooter = document.getElementById("footer");
	if (objFooter != null) {
		var intFooterTop = objFooter.offsetTop;
		objFooter.style.top = intPageBottom + intDisclaimerHeight + "px";
	}
}