$(function() {
    $('img.rollover').hover(
        function () { // Change the image name when we hover. 
            var t = $(this);
            t.attr('src', '/assets/images/' + t.attr('src').substring(t.attr('src').lastIndexOf("/") + 1).replace(/([^.]*)\.(.*)/, "$1-bright.$2"));
        },
        function () {
            var t = $(this);
            t.attr('src', '/assets/images/' + t.attr('src').substring(t.attr('src').lastIndexOf("/") + 1).replace('-bright', ''));
        }
     )
});