/* This script and many more are available free online at
The JavaScript Source!! http://javascript.internet.com
Created by: Konstantin Jagello | http://javascript-array.com/ */

var TimeOut         = 300;
var currentLayer    = null;
var currentitem     = null;
var currentLayerNum = 0;
var noClose         = 0;
var closeTimer      = null;

function mopen(n) {
	var l  = document.getElementById("menu"+n);
	var mm = document.getElementById("mmenu"+n);

	if(l) {
	mcancelclosetime();
	l.style.visibility='visible';
	if(currentLayer && (currentLayerNum != n))
	currentLayer.style.visibility='hidden';
	currentLayer = l;
	currentitem = mm;
	currentLayerNum = n;			
	} else if(currentLayer) {
	currentLayer.style.visibility='hidden';
	currentLayerNum = 0;
	currentitem = null;
	currentLayer = null;
	}
	}

function mclosetime() {
	closeTimer = window.setTimeout(mclose, TimeOut);
}

function mcancelclosetime() {
	if(closeTimer) {
	window.clearTimeout(closeTimer);
	closeTimer = null;
	}
	}

function mclose() {
	if(currentLayer && noClose!=1)   {
	currentLayer.style.visibility='hidden';
	currentLayerNum = 0;
	currentLayer = null;
	currentitem = null;
	} else {
	noClose = 0;
	}
	currentLayer = null;
	currentitem = null;
	}

document.onclick = mclose;