var actualNews = 1;
var newsInterval;

$(function() {
	newsInterval = setInterval('nextTabNews()', 8000);
	$('#tabNewsContainer').mouseenter(function() {
		clearInterval(newsInterval);
	});
	
	$('#tabNewsContainer').mouseleave(function() {
		newsInterval = setInterval('nextTabNews()', 8000);
	});
});

function changeTabNews(_id, _force) {
	if(_force != true && actualNews == _id) return;
	$('.tabNewsNum').css('background-position', '0 0');
	$('#tabNewsNum' + _id).css('background-position', '0 -24px');
	$('.tabNewsItem').css('display', 'none');
	$('#tabNews' + _id).fadeIn('slow');
	actualNews = _id;
}

function nextTabNews() {
	actualNews++;
	if(actualNews > $('#tabNewsContainer .tabNewsItem').size()) actualNews = 1;
	changeTabNews(actualNews, true);
	clearInterval(newsInterval);
	newsInterval = setInterval('nextTabNews()', 8000);
}