function hotspot_show() {
    var obj = document.getElementById('nowosci_hotspot');
    if ((obj != undefined) && (obj != null)) { obj.style.display = 'block';
 } else { setTimeout("hotspot_show()", 200); }
}
function hotspot_switch(oid) {
	var iter = 0;
	while (true) {
		var obj = document.getElementById('hotspot'+iter);
		if (obj == undefined) break;
		obj.style.display = 'none';
		document.getElementById('hotspotb'+iter).className = 'hotspot_passive';
		iter++;
	}
	document.getElementById('hotspot'+oid).style.display = 'block';
	document.getElementById('hotspotb'+oid).className = 'hotspot_active';
}