var startCal;
var endCal;

function isValidDate(val) {
	var strExp;
	return (val.search(/^((((0?[1-9]|[12]\d|3[01])[\.\-\/](0?[13578]|1[02])[\.\-\/]((1[6-9]|[2-9]\d)?\d{2}))|((0?[1-9]|[12]\d|30)[\.\-\/](0?[13456789]|1[012])[\.\-\/]((1[6-9]|[2-9]\d)?\d{2}))|((0?[1-9]|1\d|2[0-8])[\.\-\/]0?2[\.\-\/]((1[6-9]|[2-9]\d)?\d{2}))|(29[\.\-\/]0?2[\.\-\/]((1[6-9]|[2-9]\d)?(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00)|00)))|(((0[1-9]|[12]\d|3[01])(0[13578]|1[02])((1[6-9]|[2-9]\d)?\d{2}))|((0[1-9]|[12]\d|30)(0[13456789]|1[012])((1[6-9]|[2-9]\d)?\d{2}))|((0[1-9]|1\d|2[0-8])02((1[6-9]|[2-9]\d)?\d{2}))|(2902((1[6-9]|[2-9]\d)?(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00)|00))))$/gi) != -1)
}

function dateCompare(iDay1,iMonth1,iYear1,iDay2,iMonth2,iYear2) {
	iDay1 = parseInt(iDay1,10);
	iMonth1 = parseInt(iMonth1,10);
	iYear1 = parseInt(iYear1,10);
	
	iDay2 = parseInt(iDay2,10);
	iMonth2 = parseInt(iMonth2,10);
	iYear2 = parseInt(iYear2,10);
	
	var result = 0;
	if (iYear1 > iYear2) {
		result = 1;
	}else if (iYear1 < iYear2) {
		result = 2;
	}else {
		if (iMonth1 > iMonth2) {
			result = 1;
		}else if (iMonth1 < iMonth2) {
			result = 2;
		}else {
			if (iDay1 > iDay2) {
				result = 1;
			}else if (iDay1 < iDay2){
				result =  2;
			}else {
				result = 3;
			}
		}
	}
	return result;
}

String.prototype.left = function(length) {
	return this.substring(0,length);
}

String.prototype.right = function(length) {
	return this.substring(this.length - length,this.length);
}

function CalendarLoad() {
	if (typeof Calendar == "function") {
		var start = new Date();
		var end = start.valueOf() + (Calendar.OneDay * 365);
		
		var config = new Calendar.Config();
		config.startDate = start;
		config.endDate = new Date(end);
		config.className = 'calendar';
		config.width = 180;
		config.displayPosition = 'top';
	
		config.selectDate = new Date();
		
		config.autoHide = false;
		config.closeOnSelect = true;
		config.callBack = function (iDay,iMonth,iYear) {
							selectStartDate(iDay,iMonth,iYear);
						};
		
		startCal = new Calendar('startCal',config);
		
		var endconfig = new Calendar.Config();
		endconfig.startDate = new Date(start.valueOf()+Calendar.OneDay);
		endconfig.endDate = new Date(end+Calendar.OneDay);
		endconfig.className = 'calendar';
		endconfig.width = 180;
		endconfig.displayPosition = 'top';
	
		endconfig.selectDate = endconfig.startDate;
		
		endconfig.autoHide = false;
		endconfig.closeOnSelect = true;
		endconfig.callBack = function (iDay,iMonth,iYear) {
							selectEndDate(iDay,iMonth,iYear);
						};
		
		endCal = new Calendar('endCal',endconfig);
	}
}

Calendar.addEvent(window,"load",CalendarLoad);

function selectStartDate(iDay,iMonth,iYear) {
    document.frmBook.checkinDate.value = (parseInt(iMonth)+1) + '/' + iDay + '/' + iYear
}

function selectEndDate(iDay,iMonth,iYear) {
    document.frmBook.checkoutDate.value = (parseInt(iMonth)+1) + '/' + iDay + '/' + iYear
}

function submitBooking(frm) {
    var arrival, departure;
    var arrStartMY = frm.checkinDate.value.split("/");
    var startDay = arrStartMY[1];
    var startMonth = arrStartMY[0];
    var startYear = arrStartMY[2];
    if (isValidDate(startDay + ("/" + startMonth + "/" + startYear))) {
        frm.dateIn.value = startMonth + ("/" + startDay + "/" + startYear);
        arrival = new Date(startYear, startMonth, startDay, 0, 0, 0, 0);
    } else {
        alert("Arrival date is invalid. Please choose another.");
        return false;
    }
    var arrEndMY = frm.checkoutDate.value.split("/");
    var endDay = arrEndMY[1];
    var endMonth = arrEndMY[0];
    var endYear = arrEndMY[2];
    if (isValidDate(endDay + ("/" + endMonth + "/" + endYear))) {
        frm.dateOut.value = endMonth + ("/" + endDay + "/" + endYear);
        departure = new Date(endYear, endMonth, endDay, 0, 0, 0, 0);
    } else {
        alert("Departure date is invalid. Please choose another.");
        return false;
    }
    if (dateCompare(startDay, startMonth, startYear, endDay, endMonth, endYear) != 2) {
        alert("Departure date is invalid. Please choose another.");
        return false;
    }
	var _query = "?";
	_query += "hotelid="+frm.elements["hotelid"].value+"&";
	_query += "languageid="+frm.elements["languageid"].value+"&";
	_query += "dateIn="+frm.elements["dateIn"].value+"&";
	_query += "dateOut="+frm.elements["dateOut"].value+"&";
	_query += "txtCheckIn="+frm.elements["checkinDate"].value+"&";
	_query += "txtCheckout="+frm.elements["checkoutDate"].value+"";
	var _gaq = _gaq || [];
	_gaq.push(function() {
		var pageTracker = _gat._getTrackerByName();
		var _newURL = pageTracker._getLinkerUrl(frm.action+_query);
		document.location.href = _newURL;
	});
	return true;
}

function newWindow(theURL,winName,width,height) {
  var newWin = window.open(theURL,winName,'scrollbars=yes,width=' + width + ',height=' + height + ',resizable=yes,location=no,menubar=yes');
  newWin.focus();
  return false;
}

function openMap(url) {
	newWindow(url,'digitalmap',780,495);
}