var newsTimerId;

function newsPrevious() {
	var news = document.getElementById("news");
	var newsItems = news.getElementsByTagName("div");
	var newsItemCount = newsItems.length - 4;
	var newsCurrent = 0;
	var newsNextItem = 0;
	
	for(var i = 0; i < newsItemCount; i++) {
		if(newsItems[i].style.display == '') {
			newsCurrent = i;
		}
	}
	
	if (newsCurrent == 0) {
		newsNextItem = newsItemCount - 1;
	}
	else
	{
		newsNextItem = newsCurrent - 1;
	}
	
	for(var i = 0; i < newsItemCount; i++) {
		if(i == newsNextItem) {
			newsItems[i].style.display = '';
		}
		else
		{
			newsItems[i].style.display = 'none';
		}
	}
	
	clearInterval(newsTimerId);
	newsSetTimer();
}

function newsNext() {
	var news = document.getElementById("news");
	var newsItems = news.getElementsByTagName("div");
	var newsItemCount = newsItems.length - 4;
	var newsCurrent = 0;
	var newsNextItem = 0;
	
	for(var i = 0; i < newsItemCount; i++) {
		if(newsItems[i].style.display == '') {
			newsCurrent = i;
		}
	}
	
	newsNextItem = (newsCurrent + 1) % (newsItemCount);
	
	for(var i = 0; i < newsItemCount; i++) {
		if(i == newsNextItem) {
			newsItems[i].style.display = '';
		}
		else
		{
			newsItems[i].style.display = 'none';
		}
	}
	
	clearInterval(newsTimerId);
	newsSetTimer();
}

function newsSetTimer() {
	document.getElementById("newstimergraphic").src = document.getElementById("newstimergraphic").src;
	newsTimerId = setInterval("newsNext()",9000);
}