function ch_img()
{
	if (last_img == 4) { last_img = 0; } else { last_img++; }
	if (document.getElementById("h_up"))
	{
		document.getElementById("h_up").src = "images/hederio_vidus_"+last_img+".jpg"; 
		document.getElementById("h_down").src = "images/hederio_virsune_"+last_img+".jpg";	
		setTimeout('ch_img()',6000);
	}
}

var nwind = '';
function enlarge(url)
{
	var w = 640+24;
	var h = 480+24;
	var t = Math.round((screen.height - h) /2);
	var l = Math.round((screen.width - w) /2);
	nwind = window.open('enlarge.php?pic='+escape(url),'padidinta','top='+t+',left='+l+',width='+w+',height='+h+',toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes');
	nwind.focus();
}