var timeout         = 500;
var closetimer		= 0;
var ddmenuitem      = 0;
var ddmenuitem2     = 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 mopen2(id)
{	
	// cancel close timer
	mcancelclosetime();

	// close old layer
	if(ddmenuitem2) ddmenuitem2.style.visibility = 'hidden';

	// get new layer and show it
	ddmenuitem2 = document.getElementById(id);
	ddmenuitem2.style.visibility = 'visible';

}

function mopen3(id)
{	
	// cancel close timer
	mcancelclosetime();
    //alert('ov'+id);
	// close old layer
	if(ddmenuitem2) ddmenuitem2.style.visibility = 'hidden';

	// get new layer and show it
	ddmenuitem2 = document.getElementById(id);
	ddmenuitem2.style.visibility = 'visible';

}

// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}

// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}
function mclose2()
{
//alert('out'+id);
//if(document.getElementById(id)) document.getElementById(id).style.visibility = 'hidden';
if(ddmenuitem2) ddmenuitem2.style.visibility = 'hidden';
}

// go close timer
function mclosetime2()
{
	
	closetimer = window.setTimeout(mclose2, timeout);
}
// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

// close layer when click-out