function checker() {
	if ( document.frm.bmonth.selectedIndex == 0 ||
		document.frm.bday.selectedIndex == 0 ||
		document.frm.byear.selectedIndex == 0 ) {
		alert("You must enter your full birthdate before you continue.");
		return false;
	} else {
		if (document.frm.byear[document.frm.byear.selectedIndex].value > 1986) {
			alert("You must be at least 18 to continue.\nYou must leave now if you are not old enough to enter this site.");
			return false;
		} else {
			return true;
		}
	}
}