// JavaScript Document
// operates menus
// rui martins 2011

$(function(){
    $('#nav>li>ul').hide();
    $('#nav>li').mousedown(function(){
        if ($('#nav ul:animated').size() == 0) {
            $heading = $(this);
            $expandedSiblings = $heading.siblings().find('ul:visible');
            if ($expandedSiblings.size() > 0) {
                $expandedSiblings.animate({height: "hide"}, 500, "easeOutQuad", function(){
                    $heading.find('ul').slideDown(500,"easeOutQuad");
                });
            }
            else {
                $heading.find('ul').slideDown(500, "easeOutQuad");
            }
        }
    });
});