/* Source : http://javascript-array.com/scripts/jquery_simple_drop_down_menu/ */
var menuClosetimer = 0;

function menuOpen() {
  menuClose();
  $(this).addClass('selected').children('ul').css("visibility", "visible");
}

function menuClose() {
  if ( menuClosetimer ) {
    window.clearTimeout(menuClosetimer);
    closetimer = 0;
  }
  $("#menu > li").removeClass('selected').children('ul').css("visibility", "hidden");
}

function menuCloseTimer() {
  menuClosetimer = window.setTimeout(menuClose, "300");
}

$(function() {
  $('#menu > li').bind('mouseover', menuOpen);
  $('#menu > li').bind('mouseout', menuCloseTimer);
});