function setBubble( item ) {
	newimg = "/images/bubble_empty.gif";
	if( item == 'about' ) {
		newimg = "/images/bubble_about.gif";
		newx = "46px";
		newy = "80px";
	} else if( item == 'people' ) {
		newimg = "/images/bubble_people.gif";
		newx = "141px";
		newy = "80px";
	} else if( item == 'services' ) {
		newimg = "/images/bubble_services.gif";
		newx = "221px";
		newy = "80px";
	} else if( item == 'industries' ) {
		newimg = "/images/bubble_industries.gif";
		newx = "316px";
		newy = "80px";
	} else if( item == 'careers' ) {
		newimg = "/images/bubble_careers.gif";
		newx = "431px";
		newy = "80px";
	}
	elemDiv = document.getElementById('navbubble');
	elemImg = document.getElementById('navcap_bubble');
	elemImg.src = newimg;
	elemDiv.style.top = newy;
	elemDiv.style.left = newx;
}