var loaded = false;

if (document.images) {

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

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

function init() {
	rollOver(currentSection);			
}