function $(id) { return document.getElementById(id); }
var a=0,n=0,aktl=0,nowl=0;
var akt = new Array();
var now = new Array();
function init() {
	x = (document.all && !window.opera) ? 1 : 2;
	var aktualnosci=$('aktualnosci');
	for (i=0;i<aktualnosci.childNodes.length;i++) {
		if (aktualnosci.childNodes[i].nodeName=='DIV') {
			if (i>=x) {
				setOpacity(aktualnosci.childNodes[i].id,0);
				$(aktualnosci.childNodes[i].id).style.display='none';
			}
			akt[a]=aktualnosci.childNodes[i];
			a++;
		}
	}
	var nowosci=$('nowosci');
	for (i=0;i<nowosci.childNodes.length;i++) {
		if (nowosci.childNodes[i].nodeName=='DIV') {
			if (i>=x) {
				setOpacity(nowosci.childNodes[i].id,0);
				$(nowosci.childNodes[i].id).style.display='none';
			}
			now[n]=nowosci.childNodes[i];
			n++;
		}
	}
}

function setOpacity(id, value) {
	if (document.all && !window.opera) $(id).style.filter='alpha(opacity='+value*100+')';
	else $(id).style.opacity=value;
}

function fade(what, m) {
	var what = what.id;
	x = (m=='in') ? 0 : 10;
	if (m=='in') $(what).style.display='block';
	for (i=0;i<11;i++) {
	setTimeout('setOpacity("'+what+'", '+x/10+')', i*100);
	x = (m=='in') ? x+1 : x-1;
	}
	if (m!='in') setTimeout("$('"+what+"').style.display='none'",1000);
}

function rotate(tab) {
	var tablica = eval(tab);
	l = eval(tab+'l');
	setTimeout("fade("+tablica[l].id+",'out')", 5000);
	
	if (l<tablica.length-1) {
		setTimeout("fade("+tablica[l+1].id+",'in')", 5000);
		l++;
	}
	else {
		l=0;
		setTimeout("fade("+tablica[l].id+",'in')", 5000);
	}
	if (tab=='now') nowl=l;
	else aktl=l;
}

function startRotatingNews() {
	if (now.length>1) setInterval("rotate('now')", 5000);
	if (akt.length>1) setInterval("rotate('akt')", 7000);
}

window.onload=function() {
	init();
	startRotatingNews();
}