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

function jsddm_open() {
	jsddm_canceltimer();
	jsddm_close();

	ddmenuitemParent = $(this).addClass('top-menu-hover');
	ddmenuitem = $(this).find('ul').eq(0).css('visibility', 'visible');
}

function jsddm_close() {
	if(ddmenuitem) {
		ddmenuitemParent.removeClass('top-menu-hover');
		ddmenuitem.css('visibility', 'hidden');
	}
}

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

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

document.onclick = jsddm_close;