Event.observe(window, 'load', function() {
	Event.observe('signupform', 'submit', onSubmit);
});
	
function encryptSignupPw(password) {
	var token = $F('token');
	var key2 = formatPlaintext(token.substring(0,15));
	var ct = rijndaelEncrypt(password, key2, "CBC");  
	
	return byteArrayToHex(ct);
}
	
function onSubmit(event) {
	var password = $F('password');
	var password2 = $F('again');
	
	$('encpa1').value = encryptSignupPw(password);
	$('encpa2').value = encryptSignupPw(password2);
	$('password').value = '';
	$('again').value = '';
	
	$('signupform').submit();
}