function hilite(obj, isOver)
{
	if ((document.getElementById) && (obj.parentNode.className == "navItem"))
	{
		obj.parentNode.style.backgroundColor = (isOver) ? NavItemLinkHoverBackgroundColor : "";
	}
}



function preloadImages()
{
	rightButtons = new Array();
	addImage(rightButtons, "images/right_btn_aged_over.gif");
	addImage(rightButtons, "images/right_btn_community_over.gif");
	addImage(rightButtons, "images/right_btn_disability_over.gif");
	addImage(rightButtons, "images/right_btn_family_over.gif");
}

function addImage(arr, imgSrc)
{
	index = arr.length;
	arr[index] = new Image();
	arr[index].src = imgSrc;
}

function overButton(which)
{
	btnImgSrc = "images/right_btn_" + which + "_over.gif";
	toggleImage(which, btnImgSrc);
}

function outButton(which)
{
	btnImgSrc = "images/right_btn_" + which + ".gif";
	toggleImage(which, btnImgSrc);
}

function toggleImage(id, src)
{
	if (document.getElementById) {
		document.getElementById(id).src = src;
	}
	else if (document.all) {
		document.all[id].src = src;
	}
	else {
		//document.images[id].src = src;  // netscrape
	}
}