// JavaScript Document

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

function sm(id) {
	ct();
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';
}

function hm() {
	if(ddmenuitem) { ddmenuitem.style.visibility = 'hidden'; }
}

function hmt()
{
	closetimer = window.setTimeout(hm, timeout);
}

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

document.onclick = hm;