function doChallengeResponse() {
		password = document.forms[0].p_field.value;
		if (password) {
			password = MD5(password); // this makes it superchallenged!!
			str = document.forms[0].username.value+":"+password+":"+document.forms[0].challenge.value;
			document.forms[0].userident.value = MD5(str);
			document.forms[0].p_field.value = "";
			return true;
		}
	}