var rotator = 1;	
var once = true;

function news_rotator()
{
	//if (once) set_height();
	if (pocet == 0) return;
	if (rotator == pocet) {rotator=1;}
	
	previous = rotator - 1;
	if (previous == 0) {previous = pocet-1;}
	
	if(!document.getElementById('news_'+rotator)) return;
	
	document.getElementById('news_'+previous).style.visibility = 'hidden';
	document.getElementById('news_'+rotator).style.visibility = 'visible';
	rotator = rotator + 1
	
	setTimeout('news_rotator();',cas[rotator-1]);
}

/*function set_height()
{
	max=0;
	once = false;
	for(i=1; i < pocet; i++)
		if (document.getElementById('news_'+i).height > max) max = document.getElementById('news_'+i).height;
	
	document.getElementById('news_header').style.height = max;
	alert(max);
}*/