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

function jsddm_open() {
	jsddm_canceltimer();
	jsddm_close();
	ddmenuitem = $(this).find('ul').show();
}

function jsddm_close() {
	if (ddmenuitem) ddmenuitem.hide();
}

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);

	$('.jsddm > li ul').hide();
});

document.onclick = jsddm_close;