function expandingMenu(num) {
    var speed = 200;
    
   var item_title = $("#menu ul").eq(num).children(":first");
   var items = $("#menu ul").eq(num).children().filter(function (index) { return index > 0; });
/* hide items if not active */
   if (items.is(".active") == false) {
       items.hide();
   }
/* add click functions + pointer to title */
    item_title.css({cursor:"pointer"}).toggle(
        function () {
            items.fadeIn(speed);
        }, function () {
            items.fadeOut(speed);
        }
   )
}