function isEmail(string)
{
  if (string == "") return false; 
  if (string.indexOf ('@',0) == -1 || string.indexOf ('.',0) == -1) return false;
  if (string.indexOf ('@', string.indexOf('@',0) + 1) != -1) return false;
  if (string.indexOf (',',0) != -1 || string.indexOf (';',0) != -1 || string.indexOf (':',0) != -1) return false;
  if(string.substring(0,1) == "@" || string.substring(0,1) == ".") return false;
  return true;
}



function CalculateCheckOut(){
	
	document.getElementById('numNights').value = document.getElementById('Nights').selectedIndex + 1;
	
	var CheckInDate = document.getElementById('CheckinDate');
	var Nights 		= document.getElementById('numNights').value;
	var Dates 		= CheckInDate.value.split('/');
	
	
	if(Dates[2].charAt(0) == 0){
		Dates[2] = Dates[2].charAt(1);
	}
	
	if(Dates[1].charAt(0) == 0){
		
		Dates[1] = Dates[1].charAt(1);
	}
	
	if(Dates[0].charAt(0) == 0){
		Dates[0] = Dates[0].charAt(1);
	}
	
	
	var _year		= parseInt(Dates[2]);
	var _month		= parseInt(Dates[1]) -1;
	var _day		= parseInt(Dates[0]) + parseInt(Nights);
	
	/*
	var _year		= parseInt(Dates[2]);
	var _month		= parseInt(Dates[1]) - 1;
	var _day		= parseInt(Dates[0]) + parseInt(Nights);
    */
    
	document.getElementById('Startmonth').value = parseInt(Dates[1]);
	document.getElementById('Startday').value 	= parseInt(Dates[0]);
	document.getElementById('Startyear').value 	= parseInt(Dates[2]);
	
	var checkout	= new Date(_year, _month, _day);
    
	var co_day		= checkout.getDate();
	var co_month	= checkout.getMonth() + 1;
	var co_year		= checkout.getFullYear();
	
    
	/*
	if(co_day < 10){
	    co_day = '0' + co_day;
	}
	*/
	
	document.getElementById('Endmonth').value 	= co_month;
	document.getElementById('Endday').value 	= co_day;
	document.getElementById('Endyear').value 	= co_year;
	
	
	//alert(parseInt(Dates[0])+ " " + parseInt(Dates[1])+ " " + parseInt(Dates[2]));
	//alert(co_day + " " + co_month + " " + co_year);
	
	return false;
}



function CheckNewsletterForm(){
    var Email = document.getElementById('NewsletterEmail');
    if(isEmail(Email.value) == false){
        alert('Please enter a valid email address.');
        Email.focus();
        return false;
    } else {
        $('NewsletterForm').submit();
    }
}

function ClearVal(elm){
    if($(elm).hasClassName('_c') == false){
        elm.value = '';
        $(elm).addClassName('_c');
    }
}