/**
* 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 strMonth = dtStr.substring(0, pos1)
	var strDay = dtStr.substring(pos1 + 1, pos2)
	var strYear = dtStr.substring(pos2 + 1)
	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 check(){
			var date1=document.getElementById('check-in-date').value;
			var date2=document.getElementById('check-out-date').value;
			
			 if((date1=="") || (date1=="mm/dd/yyyy")){
				 alert('Please select date of arrival');
				 return false;
			 }
			 if(date2==''){
				 alert('Please select date of departure');
				 return false;
			 }
			
		}

function check_grp() {
 		var date4=document.getElementById('check-in-date_groups').value;
 		var numofrooms=document.getElementById('numofrooms').value;
  		if((date4=="") || (date4=="mm/dd/yyyy")){
				 alert('Please select date of arrival');
				 return false;
		                 }
  		if((numofrooms < 10) || (numofrooms > 200)){
				 alert('Number of rooms must be between 10 to 200');
				 return false;
		                 }
                }

function check_rest() {
 		var date3=document.getElementById('check-in-date_r').value;
 		var reatau1=document.getElementById('restaurantselect').value;
  		if((date3=="") || (date3=="mm/dd/yyyy")){
				 alert('Please select Reservation Date');
				 return false;
		                 }
  		if(reatau1==""){
				 alert('Please select Rstaurant Name');
				 return false;
		                 }
                }
