// Copyright 2006-2007 javascript-array.com



var TimeOut         = 300;

var currentLayer    = null;

var currentitem     = null;

var currentLayerNum = 0;

var noClose         = 0;

var closeTimer      = null;



// Open Hidden Layer

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;

	}

}



// Turn On Close Timer

function mclosetime()

{

    closeTimer = window.setTimeout(mclose, TimeOut);

}



// Cancel Close Timer

function mcancelclosetime()

{

    if(closeTimer)

    {

        window.clearTimeout(closeTimer);

        closeTimer = null;

    }

}



// Close Showed Layer

function mclose()

{

    if(currentLayer && noClose!=1)

    {

        currentLayer.style.visibility='hidden';

        currentLayerNum = 0;

        currentLayer = null;

        currentitem = null;

    }

    else

    {

        noClose = 0;

    }



    currentLayer = null;

    currentitem = null;

}



// Close Layer Then Click-out

document.onclick = mclose;