var loaded = false;

if (document.images) {

	/* PreCache all "normal" button images */
	/* set "normal" image path for each button */
	var normal = new Array();
		normal['home'] = new Image;
		normal['home'].src = "/images/nav/home.gif";
		normal['portfolio']= new Image;
		normal['portfolio'].src = "/images/nav/portfolio.gif";
		normal['about'] = new Image;
		normal['about'].src = "/images/nav/about.gif";
		normal['team'] = new Image; 
		normal['team'].src = "/images/nav/team.gif";
		normal['contact'] = new Image;
		normal['contact'].src = "/images/nav/contact.gif"; 
		normal['work'] = new Image;
		normal['work'].src = "/images/nav/work.gif";
	
	/* PreCache all "over" button images */
	/* set "over" image path for each button */
	var over = new Array();
		over['home'] = new Image;
		over['home'].src = "/images/nav/over/home.gif";
		over['portfolio']= new Image;
		over['portfolio'].src = "/images/nav/over/portfolio.gif";
		over['about'] = new Image;
		over['about'].src = "/images/nav/over/about.gif"
		over['team'] = new Image; 
		over['team'].src = "/images/nav/over/team.gif";;
		over['contact'] = new Image;
		over['contact'].src = "/images/nav/over/contact.gif";
		over['work'] = new Image;
		over['work'].src = "/images/nav/over/work.gif";
	loaded = true;
}// end if
	
function rollOver(id) {
	if (document.images) {
		document.images[id].src = over[id].src;
	}
}

function rollOut(id) {
	if (document.images){
		document.images[id].src = normal[id].src;
	}
}

function init() {
	rollOver(currentSection);			
}