if (document.images) {

	history_over = new Image();
	history_over.src = "/images/subnav_about_company_on.gif";
	history_off = new Image();
	history_off.src = "/images/subnav_about_company.gif";
	
	offices_over = new Image();
	offices_over.src = "/images/subnav_about_offices_on.gif";
	offices_off = new Image();
	offices_off.src = "/images/subnav_about_offices.gif";
	
	careers_over = new Image();
	careers_over.src = "/images/subnav_about_careers_on.gif";
	careers_off = new Image();
	careers_off.src = "/images/subnav_about_careers.gif";
	
	dir_over = new Image();
	dir_over.src = "/images/subnav_about_dir_on.gif";
	dir_off = new Image();
	dir_off.src = "/images/subnav_about_dir.gif";
	
	// over-rides two images in forbiz2.js
	manage_off = new Image();
	manage_off.src = "/images/nav_about_account.gif";
	
	about_off = new Image();
	about_off.src = "/images/nav_about_about.gif";
	
}