function fnValidate(f) {
	if (f.first_name.value.length < 1) {
		alert('Please enter your first name to continue.');
		f.first_name.focus();
		return false;
	}
	if (!IsValidEmail(f.email.value)) {
		alert('Please enter a valid email address to continue.');
		f.email.focus();
		return false;
	}
	return true;
}
function IsValidEmail(val) {
	var iLen = val.length;
	if 	(iLen < 6 || val.indexOf('@') < 1 || (val.charAt(iLen - 3) != '.' && val.charAt(iLen - 4) != '.' && val.charAt(iLen - 5) != '.')) return false;
	return true;
}