var stop=false;
var news_ix = 1;
var newsnom = 3;
function rotateNews() {
	if (news_ix >= newsnom) {
		news_ix = 1;
	}	
	else {
		news_ix++;
	}
	change_news(news_ix);
}
function change_news(news_nom) {
	for (i=1;i<=newsnom;i++) {
		document.getElementById('big_news_' + i).style.display = 'none';
		document.getElementById('news_' + i).className = 'news_big_one';
	}
	document.getElementById('big_news_' + news_nom).style.display = 'block';
	document.getElementById('news_' + news_nom).className = 'news_big_one_s';
	news_ix = news_nom;
}
function startRotNews(){
	if(!stop){newsInterval = window.setInterval("rotateNews()",5000);stop=true;}
}
function stopRotNews(nom){
	if(stop){window.clearInterval(newsInterval);stop=false;}
	change_news(nom);
}