function checkregister() {
	if (document.getElementById("existing").checked) {
		var username = document.getElementById("ex_username").value
		var password = document.getElementById("ex_password").value
		
		if (username == '' || password == '') {
			alert("Please enter your username and password.");
			return false;
		} else {
			return true;
		}
	} else {
		var username = document.getElementById("username").value
		var forename = document.getElementById("forname").value
		var surname = document.getElementById("surname").value
		var email = document.getElementById("email").value
		var address = document.getElementById("address").value
		var city = document.getElementById("city").value
		var zip = document.getElementById("zip").value
		var country = document.getElementById("country").value
		var phone = document.getElementById("phone").value
			
		if (username == '' || email == '' || forename == '' || surname == '' || address == '' || city == '' || zip == '' || country == '' || phone == '') {
			alert ('Please complete all required fields.');
			return false;
		} else {
			return true;
		}
	}
}
function check_manual_register() {
	var username = document.getElementById("username").value
	var forename = document.getElementById("forname").value
	var surname = document.getElementById("surname").value
	var email = document.getElementById("email").value
	var address = document.getElementById("address").value
	var city = document.getElementById("city").value
	var zip = document.getElementById("zip").value
	var country = document.getElementById("country").value
	var phone = document.getElementById("phone").value
		
	if (username == '' || email == '' || forename == '' || surname == '' || address == '' || city == '' || zip == '' || country == '' || phone == '') {
		alert ('Please complete all required fields.');
		return false;
	} else {
		return true;
	}
}
function register_select() {
	if (document.getElementById("existing").checked) {
            document.getElementById("ex_user").style.display = 'block';
            document.getElementById("new_user").style.display = 'none';
    } else {
            document.getElementById("new_user").style.display = 'block';
            document.getElementById("ex_user").style.display = 'none';
    }

}