// ************************************ MENU CODE
$(document).ready(function() {
    $('li.menu > ul').each(addLayout); //for all submenu-blocks
    $('ul.menu:first').addClass('root'); // mark root as root
});

function addLayout(index, domElem) {
    var me = $(domElem);
    me.parent().hover( //the <li> element that holds this ul
        function() { me.show() }, 
        function() { me.hide() }
    );

    $(me, 'li')
        .hide()
        .addClass('sub')
        .hover(
            function() { me.show() }, 
            function() { me.hide() }
    );

    $('a', me).addClass('sub');
}