/*    
var _off = new Image();
_off.src = 'images/nav__off.gif';
var _over = new Image();
_over.src = 'images/nav__on.gif';
*/        
var hp_bos_off = new Image();
hp_bos_off.src = 'images/hp_nav_busserv_off.gif';
var hp_bos_over = new Image();
hp_bos_over.src = 'images/hp_nav_busserv_on.gif';

var hp_about2_off = new Image();
hp_about2_off.src = 'images/hp_nav_about2_off.gif';
var hp_about2_over = new Image();
hp_about2_over.src = 'images/hp_nav_about2_on.gif';

var hp_about_off = new Image();
hp_about_off.src = 'images/hp_nav_about_off.gif';
var hp_about_over = new Image();
hp_about_over.src = 'images/hp_nav_about_on.gif';

var hp_news_off = new Image();
hp_news_off.src = 'images/hp_nav_news_off.gif';
var hp_news_over = new Image();
hp_news_over.src = 'images/hp_nav_news_on.gif';

var hp_careers_off = new Image();
hp_careers_off.src = 'images/hp_nav_careers_off.gif';
var hp_careers_over = new Image();
hp_careers_over.src = 'images/hp_nav_careers_on.gif';

var hp_hipaa_off = new Image();
hp_hipaa_off.src = 'images/hp_nav_hipaa_off.gif';
var hp_hipaa_over = new Image();
hp_hipaa_over.src = 'images/hp_nav_hipaa_on.gif';