var timeout    = 300;
var closetimer = 0;
var ddmenuitem = 0;

function jsddm_open() {
	jsddm_canceltimer();
	jsddm_close();
	ddmenuitem = $(this).find('ul').css('display', 'inline');
}

function jsddm_close() {
	if(ddmenuitem) ddmenuitem.css('display', 'none');
}

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

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