function validateGetPW() { 
	userEmail = document.getElementById('useremail');
	if (userEmail.value == "") { 
		userEmail.focus();
		// alert("Fill in your Email address.");
		return false;
	}
	else { 
		var regexEmail = /\b[a-zA-Z0-9._%-]+@[a-zA-Z0-9._%-]+\.[a-zA-Z]{2,4}\b/;
		if (!regexEmail.test(userEmail.value)) {
			userEmail.focus();
			alert("Invalid E-mail Address.")
			return false;
		}
	}
}