// comments.js - $Id$
function vote(id, delta, type, logged) {

	if (! logged) {
		alert('Per favore, accedi per votare');
		return;
	}

	if (! id) return;
	if (! type) type = 'comment';

	var cid = type + '-' + parseInt(id) + '-rep';
	cid = document.getElementById(cid);
	if (! cid) return;

	var current_rep = parseInt(cid.innerHTML);
	current_rep = current_rep + delta;
	cid.innerHTML = current_rep;

	return false;
}

function vote_up(id, type, logged) {
	return vote(id, 1, type, logged);
}

function vote_down(id, type, logged) {
	return vote(id, -1, type, logged);
}

function vote_favorite(id, type, logged) {
	if (! logged) {
		alert('Per favore, accedi per marcare come favorito');
		return;
	}

	if (! id) return;
	if (! type) type = 'comment';

	var fid = type + '-' + parseInt(id) + '-fav';
	fid = document.getElementById(fid);
	if (! fid) return;

	var fav_html = fid.innerHTML;
	var is_fave = fav_html.match(/favorite\-on/) ? 1 : 0;
	var new_state = is_fave ? 'off' : 'on';
	if (is_fave) {
		fav_html = fav_html.replace(/favorite\-on/, 'favorite-off');
	} else {
		fav_html = fav_html.replace(/favorite\-off/, 'favorite-on');
	}
	fid.innerHTML = fav_html;

	var new_url='/exec/favorite?type='+escape(type)+'&id='+escape(id)+'&on='+(new_state=='on'?'1':'0');
	call(new_url, function (response) {
		if (! response.match(/^1/)) {
			alert("C'è stato un errore nella registrazione della tua stellina.\nPer favore riprova più tardi.");
		}
	});

	return;
}