$(document).ready(function(){

    $.preloadimages('images/main-nav/about-us_over.gif', 
                    'images/main-nav/contact_over.gif', 
                    'images/main-nav/faq_over.gif', 
                    'images/main-nav/programs_over.gif',
					'images/main-nav/registration_over.gif',
					'images/home-register_over.jpg'
                    );

    $('.changemo').swapit('_over');
    
});