var items = Array();
var new_items = 0;
var max_items = 25;
var request_timer;
var min_update = 20000;
var next_update = 5000;
var xmlhttp;
var requests = 0;
var total_requests = 0;
var max_requests = 2000;
var comment = '';
var last_comment_sent=0;
var comment_period = 10; //seconds
var ccnt = 0; 	// Connected counter

var play = true;

var show_vote = true;
var show_problem = true;
var show_comment = true;
var show_new = true;
var show_published = true;
var show_chat = true;
var show_pubvotes = true;

function start() {
	xmlhttp = new myXMLHttpRequest ();
	if (!get_options_cookie()) {
		check_control('vote');
		check_control('problem');
		check_control('comment');
		check_control('new');
		check_control('published');
		check_control('chat');
		check_control('pubvotes');
	}
	for (i=0; i<max_items; i++) {
		items[i] = document.getElementById('sneaker-'+i);
	}
	do_play();
	return false;
}


function is_busy() {
    switch (xmlhttp.readyState) {
        case 1:
        case 2:
        case 3:
            return true;
        break;
        // Case 4 and 0
        default:
            return false;
        break;
    }
}

function abort_request () {
	clearTimeout(timer);
	clearTimeout(request_timer);
	if (is_busy()) {
		xmlhttp.abort();
		// Bug in konqueror, it forces to create a new object after the abort
		xmlhttp = new myXMLHttpRequest();
		//alert("timeout");
	}
}

function handle_timeout () {
	abort_request();
	//alert("handle_timeout");
	timer = setTimeout('get_data()', next_update/2);
}

function get_data() {
	if (is_busy()) {
		handle_timeout();
		return false;
	}
	url=sneak_base_url+'?k='+mykey+'&time='+ts+'&v='+my_version+'&r='+total_requests;
	url = url + get_options_string();
	if(comment.length > 0) {
		var content = 'chat='+encodeURIComponent(comment);
		xmlhttp.open ("POST", url, true);
		xmlhttp.setRequestHeader ('Content-Type', 'application/x-www-form-urlencoded');
		xmlhttp.onreadystatechange=received_data;
		xmlhttp.send (content);
		comment = '';
	} else {
		xmlhttp.open("GET",url,true);
		xmlhttp.onreadystatechange=received_data;
		xmlhttp.send(null);
	}
	request_timer = setTimeout('handle_timeout()', 10000);  // wait for 10 seconds
	requests++;
	total_requests++;
	return false;
}

function received_data() {
	if (xmlhttp.readyState != 4) return;
	if (xmlhttp.status == 200 && xmlhttp.responseText.length > 10) {
		clearTimeout(request_timer);
		// We get new_data array
		var new_data = Array();
		eval (xmlhttp.responseText);
		target=document.getElementById("ccnt");
		if(target) target.innerHTML = ccnt;
		new_items= new_data.length;
		if(new_items > 0) {
			if (do_animation) clearInterval(animation_timer);
			next_update = Math.round(0.5*next_update + 0.5*min_update/(new_items*2));
			shift_items(new_items);
			for (i=0; i<new_items && i<max_items; i++) {
				items[i].innerHTML = to_html(new_data[i]);
				if (do_animation) set_initial_color(i);
			}
			if (do_animation) {
				animation_timer = setInterval('animate_background()', 100);
				animating = true;
			}
		} else next_update = Math.round(next_update*1.25);
	}
	if (next_update < 5000) next_update = 5000;
	if (next_update > min_update) next_update = min_update;
	if (requests > max_requests) {
		if ( !confirm('