function selectPage(dietForm) {
	chosen = ""
	len = document.dietForm.gender.length

	for (i = 0; i <len; i++) {
		if (document.dietForm.gender[i].checked) {
			chosen = document.dietForm.gender[i].value
		}
	}

	var error = document.getElementById('error');
	
	if (chosen!="male" && chosen!="female"){
		error.innerHTML = "Select a gender.";
		return false;
	}
	else if (chosen=="female"){
		//alert("1");
		window.parent.location = "fiber-female.php";
		return false;
	}
	else if (chosen=="male") {
		//alert("3");
		window.parent.location = "fiber-male.php";
		return false;
	}
}