// Copyright 2006-2007 javascript-array.com
var timeout	= 250;
var closetimer	= 0;
var ddmenuitem	= 0;

// open hidden layer
function mopen(id)
{	
	//alert("1");
	// 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.position='absolute';
	ddmenuitem.style.visibility = 'visible';
	ddmenuitem.style.top="495px";
	ddmenuitem.style.width="180px";
	ddmenuitem.style.zIndex= 100;
	
}
// close showed layer
function mclose()
{
	//alert("2");
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}

// go close timer
function mclosetime()
{
	//alert("3");
	closetimer = window.setTimeout(mclose, timeout);0
}

// cancel close timer
function mcancelclosetime()
{
	//alert("4");
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}	
}

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