//http://localhost:100/vaunut/js/jquery.dropdownmenu.js
//http://javascript-array.com/scripts/jquery_simple_drop_down_menu/
var timeout         = 500;
var navtimer		= 0;
var navmenuitem      = 0;

function nav_menu_open() {
    nav_menu_canceltimer();
    nav_menu_close();
    navmenuitem = jQuery(this).find('ul').eq(0).css('display', 'block');
}

function nav_menu_close() {
    if(navmenuitem) navmenuitem.css('display', 'none');
    }

function nav_menu_timer() {
    navtimer = window.setTimeout(nav_menu_close, timeout);
}

function nav_menu_canceltimer() {
    if(navtimer) {
        window.clearTimeout(navtimer);
		navtimer = null;
    }
}

jQuery(document).ready(function(){
    jQuery('#nav > li').bind('mouseover', nav_menu_open);
	jQuery('#nav > li').bind('mouseout',  nav_menu_timer);
    }
);

document.onclick = nav_menu_close;