// Copyright 2006-2007 javascript-array.com

var timeout	= 300;
var closetimer	= 0;
var ddmenuitem	= 0;

// open hidden layer
function mopen(id)
{	
	// cancel close timer
	mcancelclosetime();

	// close old layer
	if(ddmenuitem)
		mclose(ddmenuitem);

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.display = 'block';
	mgetlabel(ddmenuitem, 'label').style.visibility = 'visible';
	mgetlabel(ddmenuitem, 'button').style.visibility = 'hidden';

}
// close showed layer
function mclose(elItem)
{
	if (!elItem)
		var elItem=ddmenuitem;
		
	if (elItem)
	{
		if (!elItem.style)
			alert(elItem);
		elItem.style.display = 'none';
		mgetlabel(elItem, 'button').style.visibility = 'visible';
		mgetlabel(elItem, 'label').style.visibility = 'hidden';
		ddmenuitem=0;
	}
}

function mgetlabel(el, type)
{
	return document.getElementById(el.id+'-'+type);
}

// go close timer
function mclosetime()
{
	closetimer = setTimeout('mclose(0)', timeout);
}

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

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