document.observe("dom:loaded", function() {
    mainNav("menuadmin-top", {"show_delay":"100","hide_delay":"100"});
});

document.observe("dom:loaded", function() {
    mainNav("menuadmin-left", {"show_delay":"100","hide_delay":"100"});
});

document.observe("dom:loaded", function() {
    mainNav("menuadmin-right", {"show_delay":"100","hide_delay":"100"});
});