var rotator = 1;	
var once = true;

function news_rotator()
{
	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.display = 'none';	
	document.getElementById('news_'+rotator).style.display = 'block';	
	rotator = rotator + 1;
	setTimeout('news_rotator();',cas[rotator-1]);	
}