function toggleclick( i )
{
		var na="tog"+i;
		if(document.getElementById(na).value==''){
		if(navigator.appName == "Microsoft Internet Explorer"){
		document.getElementById('rID'+i).style.display="block";
		}else{
		document.getElementById('rID'+i).style.display="table-row";
		}
		document.getElementById(na).value="1";
		}else if(document.getElementById(na).value=="1"){
		document.getElementById('rID'+i).style.display="none";
		document.getElementById(na).value='';
		}
}
function isValidDate(dateStr) {
// Checks for the following valid date formats:
// MM/DD/YY   MM/DD/YYYY   MM-DD-YY   MM-DD-YYYY

var datePat = /^(\d{1,2})(\/|-)(\d{1,2})\2(\d{4})$/; // requires 4 digit year

var matchArray = dateStr.match(datePat); // is the format ok?
if (matchArray == null) {
alert(dateStr + " Date is not in a valid format.")
return false;
}
month = matchArray[1]; // parse date into variables
day = matchArray[3];
year = matchArray[4];
if (month < 1 || month > 12) { // check month range
alert("Month must be between 1 and 12.");
return false;
}
if (day < 1 || day > 31) {
alert("Day must be between 1 and 31.");
return false;
}
if ((month==4 || month==6 || month==9 || month==11) && day==31) {
alert("Month "+month+" doesn't have 31 days!")
return false;
}
if (month == 2) { // check for february 29th
var isleap = (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0));
if (day>29 || (day==29 && !isleap)) {
alert("February " + year + " doesn't have " + day + " days!");
return false;
   }
}
return true;
}



function dateDiff() {
date1 = new Date();
date2 = new Date();
diff  = new Date();

dated = document.getElementById("date").value;
datem = document.getElementById("month").value;
datey = document.getElementById("year").value;

dated1 = document.getElementById("date1").value;
datem1 = document.getElementById("month1").value;
datey1 = document.getElementById("year1").value;

var frm  = document.hoteldetails;
var checkin = datem+'/'+dated+'/'+datey;
var checkout = datem1+'/'+dated1+'/'+datey1;

if (isValidDate(checkin) ) { // Validates first date 
date1temp = new Date(checkin);
date1.setTime(date1temp.getTime());
}
else return false;; // otherwise exits

if (isValidDate(checkout) ) { // Validates second date 
date2temp = new Date(checkout);
date2.setTime(date2temp.getTime());
}
else return false;; // otherwise exits

// sets difference date to difference of first date and second date

diff.setTime(Math.abs(date1.getTime() - date2.getTime()));

timediff = diff.getTime();
days = Math.floor(timediff / (1000 * 60 * 60 * 24)); 
timediff -= days * (1000 * 60 * 60 * 24);
if(date1.getTime()>date2.getTime())
{
	alert('Check In Date should be less than Check Out Date');
	return false;
}
else
{
	return true;
	
}

return false; // form should never submit, returns false
}