// JavaScript Document
setRange("checkin", daysAfter(1), daysAfter(500));
setRange("checkout", dayOffset(document.forms[0].txtCheckIn.value, 3), daysAfter(500));
var date_interval = 3;

function dateOffset(date,n) {
	var d = toJSDate(date||"");
	d.setTime(d.getTime() + 86400000 * n);
	return toCalendarDate(d);
}
function beforeSetDateValue(ref_field, target_field, date) {
	if (date!="") {
		if (target_field == document.forms[0].txtCheckOut || target_field == document.forms[0].txtCheckIn) {
			var startDate = document.forms[0].txtCheckIn;
			var endDate = document.forms[0].txtCheckOut;

			if (target_field == endDate && checkDate(getDateValue(startDate)) == 0 && compareDates(dateOffset(getDateValue(startDate), date_interval), date) > 0) {
				date = getDateValue(endDate);
				alert("The minimal rental period is "+date_interval+" days. Please select again.");
			}
		}
	}

	return date;
}
function afterSetDateValue(ref_field, target_field, date) {
	if (date != "") {
		if (target_field == document.forms[0].txtDropoffDate || target_field == document.forms[0].txtCheckIn) {
			var startDate = document.forms[0].txtCheckIn;
			var endDate = document.forms[0].txtCheckOut;

			if (target_field == startDate && checkDate(getDateValue(endDate)) == 0 && compareDates(dateOffset(date, date_interval), getDateValue(endDate)) > 0) {
				setDateValue(endDate, dateOffset(date, date_interval));
				alert("Dropoff Date was too early, and it's reset to " + date_interval + " days after Collect Date.");
			}
		}
	}
}
function checkFormDates() {
	var startDate = document.forms[0].txtCheckIn;
	var endDate = document.forms[0].txtCheckOut;

	if (checkDate(getDateValue(startDate)) != 0) {
		alert("Please select the collect Date.");
	} else if(checkDate(getDateValue(endDate)) != 0) {
		alert("Please select the dropoff Date.");
	} else if(compareDates(dateOffset(getDateValue(startDate), date_interval), getDateValue(endDate)) > 0) {
		alert("The minimal rental period is " + date_interval + " days. Please select again.");
	}
}
function ValidateDates(source, arguments){
	var startDate = document.forms[0].txtCheckIn;
	var endDate = document.forms[0].txtCheckOut;

	if (compareDates(getDateValue(startDate), daysAfter(1)) < 0){
		arguments.IsValid = false;
	} else {
		if (compareDates(dateOffset(getDateValue(startDate), date_interval), getDateValue(endDate)) > 0) {
			arguments.IsValid = false;
		} else {
			arguments.IsValid = true;
		}
	}
}