var MyFunctions = {
    hlLink : function(elem) {
        $(elem).onmouseover = function() {
            new Effect.Highlight($(elem),{duration:0.5});
        };
        return false;
    }
};

/*
Event.observe(window, 'load',
    function() {
        MyFunctions.hlLink("nav_home");
        MyFunctions.hlLink("nav_bio");
        MyFunctions.hlLink("nav_live");
        MyFunctions.hlLink("nav_pictures");
        MyFunctions.hlLink("nav_mp3");
        MyFunctions.hlLink("nav_guestbook");
        MyFunctions.hlLink("nav_contacts");
    }
);
*/