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;