currentItem = 0;

function nextNews() {
    nextItem = currentItem + 1;
    if (nextItem == newsCount) {
	nextItem = 0;
    }
    getNews(nextItem);
    if (document.getElementById('div_newsBody')) {
	getNewsBody(nextItem);
    }
    currentItem = nextItem;
}

function prevNews() {
    nextItem = currentItem - 1;
    if (nextItem ==-1) {
	nextItem = newsCount - 1;
    }
    getNews(nextItem);
    if (document.getElementById('div_newsBody')) {
	getNewsBody(nextItem);
    }
    currentItem = nextItem;
}

function getNews(id) {
    xmlhttp_getNews = new XMLHttpRequest();
    xmlhttp_getNews.open('GET', 'content/components/fetchnews.php?action=header&id='+id , true);
    xmlhttp_getNews.send();
    xmlhttp_getNews.onreadystatechange = function(){
	if (xmlhttp_getNews.readyState == 4 && xmlhttp_getNews.status == 200) {
	    document.getElementById('spinnerContent').innerHTML = xmlhttp_getNews.responseText;
	}
    }
}
function getNewsBody(id) {
    xmlhttp_getNewsBody = new XMLHttpRequest();
    xmlhttp_getNewsBody.open('GET', 'content/components/fetchnews.php?action=body&id='+id , true);
    xmlhttp_getNewsBody.send();
    xmlhttp_getNewsBody.onreadystatechange = function(){
	if (xmlhttp_getNewsBody.readyState == 4 && xmlhttp_getNewsBody.status == 200) {
	    document.getElementById('div_newsBody').innerHTML = xmlhttp_getNewsBody.responseText;
	}
    }
}