var newsItemsCount=5;
var currentNewsItem=1;

function previousNewsItem() {
	var previousItem = currentNewsItem;
	previousItem = previousItem - 1;
	if (previousItem < 1) {
		previousItem = newsItemsCount;
	}
	return previousItem;
}

function nextNewsItem() {
	var nextItem = currentNewsItem;
	nextItem = nextItem + 1;
	if (nextItem > newsItemsCount) {
		nextItem = 1;
	}
	return nextItem;
}

function showNewsItem(itemNumber) {
	currentNewsItem=itemNumber;
	var index1=1;	// index variable used for looping
	var newDiv= new Array;	// the ref to the div to show or hide
	var indicatorImage= new Array;	// the ref to the div to show or hide

	for (index1=1; index1<(newsItemsCount+1); index1++) {
		if (index1==itemNumber) {
			newDiv = document.getElementById("newsItem" + itemNumber);
			newDiv.style.visibility = "visible";
			indicatorImage = document.getElementById("itemIndicator" + itemNumber);
			indicatorImage.src = "http://www.humana.com/library/images/circle_on.gif";

		} else {
			newDiv = document.getElementById("newsItem" + index1);
			newDiv.style.visibility = "hidden";
			indicatorImage = document.getElementById("itemIndicator" + index1);
			indicatorImage.src = "http://www.humana.com/library/images/circle_off.gif";
		}
	}
	return false;
}