var timeout         = 500;
var closetimer		= 0;
var ddmenuitem      = 0;

function jsddm_open() {
    jsddm_canceltimer();
	jsddm_close();
    if($(this).find('ul').eq(0).find('li').size() > 0) {
	   ddmenuitem = $(this).find('ul').eq(0).css('visibility', 'visible');
    } else {
        ddmenuitem = 0;
    }
}

function jsddm_close() {
    if(ddmenuitem) ddmenuitem.css('visibility', 'hidden');
}

function jsddm_timer() {
    closetimer = window.setTimeout(jsddm_close, timeout);
}

function jsddm_canceltimer()
{	if(closetimer)
	{	window.clearTimeout(closetimer);
		closetimer = null;}}

$(document).ready(function()
{	$('#jsddm > li').bind('mouseover', jsddm_open);
	$('#jsddm > li').bind('mouseout',  jsddm_timer);});

document.onclick = jsddm_close;