var stop=false;
var news_ix = 1;
var num = 0;
function rotateNews(f){	
	if (f<0){
		if(news_ix>1) news_ix--;
		else news_ix = document.getElementById('broi').value;
	}else if (f>0) {
		news_ix=f
	}else {
		if(news_ix<document.getElementById('broi').value) news_ix++;
		else news_ix=1;
	}
	for(n=1;n<=document.getElementById('broi').value;n++){
	getObj("news_"+n).style.display = "none";
	getObj("lst_"+n).className="lists";
	}
	getObj("news_"+news_ix).style.display = "block";
	getObj("lst_"+news_ix).className="lists-check";
}
function startRotNews(){
if(!stop){newsInterval = window.setInterval("rotateNews()",10000);stop=true;}
}
function stopRotNews(){
if(stop){window.clearInterval(newsInterval);stop=false;}
}
function getObj(id){
var obj=false;
if(document.getElementById(id)) obj=document.getElementById(id);
return obj
}