function list(n) {
	list.length = n;
	for(var j=0; j < n; j++) {
		list[j] = new Image();
	}
	return list;
}

if(document.images) {

	var images = new list(14);

	images[0].src="img/nav_home.jpg";
	images[1].src="img/nav_home_h.jpg";
	images[2].src="img/nav_aboutus.jpg";
	images[3].src="img/nav_aboutus_h.jpg";
	images[4].src="img/nav_services.jpg";
	images[5].src="img/nav_services_h.jpg";
	images[6].src="img/nav_reports.jpg";
	images[7].src="img/nav_reports_h.jpg";
	images[8].src="img/nav_projects.jpg";
	images[9].src="img/nav_projects_h.jpg";
	images[10].src="img/nav_clients.jpg";
	images[11].src="img/nav_clients_h.jpg";
	images[12].src="img/nav_contactus.jpg";
	images[13].src="img/nav_contactus_h.jpg";	
	
	

}

function hover(r,i) {
	
	if(document.images) {
		document[r].src = images[i].src;
	}
}