function vote(num, c, nonce) {
	var vote_messages= new Array();
	vote_messages["0"]="error, you cannot vote";
	vote_messages["1"]="thanks for voting";
	vote_messages["2"]="you already voted";
	vote_messages["3"]="you must be logged in to vote";

	var r = postURLRet("ajax.vote.php","id=" + num + "&type=" + c + "&nonce=" + nonce);
	var t = getObjectByID("msg-vote-"+num);
	if (t) {
		t.innerHTML = vote_messages[r];
	}
}