function prepare(encrypt) {
	var salt = document.getElementsByName("op_salt")[0].value;
	var salt_id = document.getElementsByName("op_salt_id")[0].value;
	var secure = document.getElementsByName(encrypt)[0].value;
	document.getElementsByName("op_salt")[0].value = salt_id+":"+hex_md5(salt+hex_md5(secure));
	document.getElementsByName(encrypt)[0].value = '';
	return true;
}