function superchallenge_pass(form) {
	var pass = form.pass.value;
	if (pass) {
		var enc_pass = MD5(pass);
		var str = form.user.value+":"+enc_pass+":"+form.challenge.value;
		form.pass.value = MD5(str);
		return true;
	} else {
		return false;
	}
}