function check_age()
{
	var who = document.mainform.extrafield16.value;
	if( document.cookie.length>0 && document.cookie.indexOf("boardingschools=") >= 0 )
	{
		document.mainform.action = "http://www.collegesurfing.com/ce/thankyou/eligibility-end.php";
	}
	else if( who == 'I am a prospective student' )
	{
		var day = document.mainform.dobday.value;
		var month = document.mainform.dobmonth.value;
		var year = document.mainform.dobyear.value;
		var today= new Date();
		var birthday= new Date();

		birthday.setDate(day);
		birthday.setMonth(month-1);
		birthday.setFullYear(year);
                secold = today.getTime() - birthday.getTime();

                var age = Math.floor(secold/1000/60/60/24/365.25);
                if( age <= 13 )
		{
			var expDate = new Date();
			expDate.setMinutes(expDate.getMinutes()+30);
			document.cookie = 'boardingschools=tooyoung; expires='+expDate.toGMTString()+'; path=/';
			document.mainform.action = "http://www.collegesurfing.com/ce/thankyou/eligibility-end.php";
		}
		
	}
	return true;
}