function val(form) {
	if (form.email.value == "") {
		alert("Please enter your email address.");
		form.email.focus();
		return false;
	}
	if (!checkEmail(form.email.value)) {
		alert("Please enter a valid email address.");
		form.email.focus();
		return false;
	}
	if (form.password.value == "") {
		alert("Please enter your password.");
		form.password.focus();
		return false;
	}
}