// JavaScript Document

/**
* DHTML date validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
*/
// Declaring valid date character, minimum year and maximum year
var dtCh = "/";
var minYear = 1900;
var maxYear = 2100;

function isInteger(s) {
	var i;
	for (i = 0; i < s.length; i++) {
		// Check that current character is number.
		var c = s.charAt(i);
		if (((c < "0") || (c > "9"))) return false;
	}
	// All characters are numbers.
	return true;
}

function stripCharsInBag(s, bag) {
	var i;
	var returnString = "";
	// Search through string's characters one by one.
	// If character is not in bag, append to returnString.
	for (i = 0; i < s.length; i++) {
		var c = s.charAt(i);
		if (bag.indexOf(c) == -1) returnString += c;
	}
	return returnString;
}

function daysInFebruary(year) {
	// February has 29 days in any year evenly divisible by four,
	// EXCEPT for centurial years which are not also divisible by 400.
	return (((year % 4 == 0) && ((!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28);
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i == 4 || i == 6 || i == 9 || i == 11) { this[i] = 30 }
		if (i == 2) { this[i] = 29 }
	}
	return this
}

function isDate(dtStr) {

	var daysInMonth = DaysArray(12)
	
	var pos1 = dtStr.indexOf(dtCh)
	var pos2 = dtStr.indexOf(dtCh, pos1 + 1)
	var strDay = dtStr.substring(0, pos1)
	var strMonth = dtStr.substring(pos1 + 1, pos2)
	var strYear = dtStr.substring(pos2 + 1)

	if (strDay.length != 2 || strMonth.length != 2 || strYear.length != 4) {

		return false;
	}
	
	strYr = strYear
	if (strDay.charAt(0) == "0" && strDay.length > 1) strDay = strDay.substring(1)
	if (strMonth.charAt(0) == "0" && strMonth.length > 1) strMonth = strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0) == "0" && strYr.length > 1) strYr = strYr.substring(1)
	}
	month = parseInt(strMonth)
	day = parseInt(strDay)
	year = parseInt(strYr)
	if (pos1 == -1 || pos2 == -1) {

		return false
	}
	if (strMonth.length < 1 || month < 1 || month > 12) {

		return false
	}
	if (strDay.length < 1 || day < 1 || day > 31 || (month == 2 && day > daysInFebruary(year)) || day > daysInMonth[month]) {

		return false
	}
	if (strYear.length != 4 || year == 0 || year < minYear || year > maxYear) {
		return false
	}
	if (dtStr.indexOf(dtCh, pos2 + 1) != -1 || isInteger(stripCharsInBag(dtStr, dtCh)) == false) {
		return false
	}
	return true
}

		
function fnExPrintPage(skuId){
    var url = "/food/print-offer.aspx?id=" + skuId.toString();
    window.open(url, '_blank','status=0,toolbar=0,location=0,menubar=0,location=0,directories=0,resizeable=1,scrollbars=1,width=800,height=1000');

}

function fnExPrintCart(){
    var url = "/food/cart-print.aspx"
    window.open(url, '_blank','');

}

function fnExAddToCart(skuId){
    if(skuId == '')
        return; 
    var url = "/CMSTemplates/AMPSCMacquarieCentre/FoodOffersCartService.aspx?add=1&skuid=" + skuId + "&quantity=1&rand=" + Math.random() * 1000;
    fnExSubmitRequest(url); 
}

function fnExRemoveFromCart(skuId, liID){
    if(skuId == '')
        return;         
    var url = "/CMSTemplates/AMPSCMacquarieCentre/FoodOffersCartService.aspx?liID=" + liID +  "&remove=1&skuid=" + skuId + "&rand=" + Math.random() * 1000;
    fnExDelSubmitRequest(url);     
}

function fnExSubmitRequest(url)
{
    var _xmlHttp = new xml_http_request(_XML_DEFAULT_HTTP_VERB_GET, url, null, fnAddCallback);
    _xmlHttp.Fetch();
	
}

function fnAddCallback(response)
{
	$("#spanCartCount").html("<strong>" + response.responseText + "</strong>")

}

function fnExDelSubmitRequest(url)
{
    var _xmlHttp = new xml_http_request(_XML_DEFAULT_HTTP_VERB_GET, url, null, fnRemoveCallback);
    _xmlHttp.Fetch();
}

function fnRemoveCallback(response)
{
	var arr = response.responseText.split(",")
	
	$("#" + arr[0]).remove()
	$("#spanCartCount").html("<strong>" + arr[1] + "</strong>")
	
	var ulMain = jQuery('ul.gallery-list');
    var imageCount = ulMain.find('li').size();
	var counter = ulMain.find("li").size()
	
	var ulPaging = jQuery('ul.pages');
	
	var previousPageSize
	var newPageSize
	

	previousPageSize = ulPaging.find("li").size();
	
	//get new page size
	if (counter % 3 == 0)
	{
		newPageSize = counter /3
	}else
	{
		newPageSize = Math.floor(counter/3) + 1
	}
	
	//if need to remove page
	if (newPageSize < previousPageSize)
	{
		var lastLi = ulPaging.find("li:last")
		
		var bActiveOther = false
		
		//last page is active and is gone
		if (lastLi.hasClass("active"))
		{
			bActiveOther = true;
		}
		
		lastLi.remove();
		
		
		if (bActiveOther )
		{
			//set last page to active
			if (ulPaging.find("li").size()>0)
			{
				ulPaging.find("li:last").addClass("active")
			}
		}
		
		var activePage = 0
		counter = 0
		var liActive = ulPaging.find("li").each(function(z) {
			counter++
			
			if ($(this).hasClass("active"))
			{
				activePage = counter
			}
			
		})
		
		if (activePage >= newPageSize )
		{
			jQuery('#navnext').hide()
            jQuery('#pagenext').hide()
		}
		
		if (newPageSize == 1)
		{
			ulPaging.hide()
		}
		
	}
	
	if (ulMain.find('li').size() == 0)
	{
		$("#ctl00_plcMain_divMsg").show();
	}

}