var timeout	= 1000;
var closetimer	= 0;
var ddmenuitem	= 0;
var ddmenuitemlast	= 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';

}*/
function mopen(theElement)
{	
	// cancel close timer
	mcancelclosetime();
	var parent = theElement.parentNode;
	var getUL = parent.getElementsByTagName("ul")[0];
	if (getUL == null)
		return;
		
	if (parent.parentNode.id == "sddm")
	{
		if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
		if(ddmenuitemlast) ddmenuitemlast.style.display = 'none';
		ddmenuitem = getUL;
		ddmenuitem.style.visibility = 'visible';
	}
	else
	{
		if(ddmenuitemlast) ddmenuitemlast.style.display = 'block';
		ddmenuitemlast = getUL;
		ddmenuitemlast.style.visibility = 'visible';
		parent.parentNode.visibility = 'visible';
	}

}
// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
	if(ddmenuitemlast) ddmenuitemlast.style.display = 'none';
}

// 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;