$(document).ready(function () {
    var el = document.getElementById("access");
    el.className = "js"; 
    $('li.drop').hover(
        function () {
            //show its submenu
            $('ul', this).slideDown(300);
 
        }, 
        function () {
            //hide its submenu
            $('ul', this).slideUp(300);         
        }
    );
});