// JavaScript Document

// Copyright 2006-2007 javascript-array.com

var timeout = 500;

var closetimer = 0;

var ddmenuitem = 0;

// open hidden layer

function mopen(id)

{

// cancel close timer

mcancelclosetime();

// close old layer

if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

// get new layer and show it

ddmenuitem = document.getElementById(id);

ddmenuitem.style.visibility = 'visible';

}

// close showed layer

function mclose()

{

if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

}

// go close timer

function mclosetime()

{

closetimer = window.setTimeout(mclose, timeout);

}

// cancel close timer

function mcancelclosetime()

{

if(closetimer)

{

window.clearTimeout(closetimer);

closetimer = null;

}

}

// close layer when click-out

document.onclick = mclose;