function refresh_time () {
	today = new Date();
	mins = 0;
	secs = 0;
	if (today.getMinutes() < 10) {
		mins = "0" + today.getMinutes();
		}
	else {
		mins = today.getMinutes();
		}
	if (today.getSeconds() < 10) {
		secs = "0" + today.getSeconds();
		}
	else {
		secs = today.getSeconds();
		}
	document.getElementById('licznik').innerHTML="<div style=\"font-size:14px;color:#303030\">"+today.getHours()+":"+mins+":"+secs+"</div>";
	setTimeout(refresh_time, 2*1000);
	}

var i=1;
	function change_box()
	{
		document.getElementById("box"+i).style.display="none";
		i=i+1;
		if (!document.getElementById("box"+i)) {
			i=1;
			}
		document.getElementById("box"+i).style.display="block";
		setTimeout(change_box, 3*1000);
	}


window.onload = function () {
		setTimeout(change_box,3*1000);
		refresh_time();
	};