var last;
function expandingMenu(num) {
var speed = 250;
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(".unactive") == false) {
items.hide();
}
     
/* add click functions + pointer to title */
item_title.css({cursor:"pointer"}).click(function () {items.slideDown(speed);if (last != undefined && last != items) {last.slideUp(speed);}
																																   

last = items;

}
)



}