//SUBNAV
var sn_timer	= 0;
var sn_current	= 0;

//Open
function sn_open(id) {	
	sn_stop();

	if (sn_current) { sn_current.style.display = 'none'; }

	sn_current = document.getElementById(id);
	sn_current.style.display = 'block';
}

//Close
function sn_close() {
	if(sn_current) { sn_current.style.display = 'none'; }
}

//Start timer
function sn_start() {
	sn_timer = window.setTimeout(sn_close, 450);
}

//Stop timer
function sn_stop() {
	if (sn_timer) {
		window.clearTimeout(sn_timer);
		sn_timer = null;
	}
}

//Close on click
document.onclick = sn_close;