// Copyright 2006-2007 javascript-array.com

var timeout	= 500;
var closetimer	= 0;
var ddmenuitem	= 0;

// close layer when click-out
document.onclick = sm_close; 

function sm_open()
{
	sm_cancelclose();
	document.getElementById("services_menu").style.visibility = 'visible';
}
function sm_closetimer()
{
	closetimer = window.setTimeout( sm_close, timeout );
}
function sm_close()
{
	document.getElementById("services_menu").style.visibility = 'hidden';
}
function sm_cancelclose()
{
	if( closetimer )
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}