Simple Minecraft Server status box using http://api.syfaro.net/

status.html

<script src="//code.jquery.com/jquery-1.10.2.min.js"></script>
<link href="//netdna.bootstrapcdn.com/font-awesome/4.0.3/css/font-awesome.css" rel="stylesheet">
<script>
var rq = '//api.syfaro.net/server/status';
var error = 'unknown';
var classes = {
	error: "fa-question",
	false: "fa-times",
	true: "fa-check",
};
var allclasses = "";
for(i in classes) {
	allclasses += ' '+classes[i];
};

function q(addr, cb) {
	$.ajax({
		url: rq,
		type: 'GET',
		dataType: 'json',
		data: {ip: addr, players: true},
	})
	.done(function(data) {
		console.log("success");
		console.log(data);
		cb(data);
	})
	.fail(function(data) {
		console.log("error");
	})
	.always(function() {
	});
}
function setclass(o, c) {
	o.removeClass(allclasses);
	o.addClass(classes[c]);
	o.html('');
}
function settext(o, t) {
	o.removeClass(allclasses);
	o.html(t);
}
function display(data) {
	var np = $('#numplayers'),
		version = $('#version'),
		online = $('#online'),
		motd = $('#motd'),
		updated = $('#updated'),
        players = $('#players');
    data.online = data.status === 'success';

    settext(updated, data.last_update);
	setclass(online, data.online);
    if (data.online) {
        settext(np, data.players.now);
	    settext(version, data.version);
	    settext(motd, data.motd);
        if (data.players.sample) {
            settext(players,
                data.players.sample.map(function(v){
                    return v.name;
                }).join(', '));
        } else {
            settext(players, '');
        }
    } else {
        setclass(np, error);
        setclass(version, error);
        setclass(motd, error);
        setclass(players, error);
    }
}
$(document).ready(function() {
	q('mc.q1cc.net', display);
});
</script>

<style type="text/css" media="screen">
	.statusbox {
		min-width: 5em;
		min-height: 2em;
		border: 1px solid #999;
		border-radius: 1em;
		background-color: #eee;
		padding: 0.5em;
		margin: 0.5em;
	}
	.label {
		text-align: right;
		float: left;
		margin-right: 1em;
		min-width: 8em;
		color: #444;
	}
	.grey {
		color: #666;
	}
</style>

<div class="statusbox">
	<span class="label">Online: </span>
	<i id="online" class="fa fa-question"></i>
	<br/>
	<span class="label">Version: </span>
	<i id="version" class="fa fa-question"></i>
	<br/>
	<span class="label">MOTD: </span>
	<i id="motd" class="fa fa-question"></i>
	<br/>
	<span class="label">Players: </span>
	<i id="numplayers" class="fa fa-question"></i>
	<br/>
    <span class="label">&nbsp;</span>
    <i id="players" class="fa fa-question"></i>
    <br>

	<span class="label grey">Last Updated: </span>
	<i id="updated" class="fa fa-question grey"></i>
	<br/>
</div>

Also in 56 line "version" is not "version" anymore, now in the array of url is "server.name" and "players.sample" doesn't exist in that array either. :)

I know it's old, but how is it possible to get player heads implemented?