var timer_is_on=0;
var timer_udmhomeul = 0;

function showMenu(item)
{
    eval("timer_" + item + "=0;");
	document.getElementById(item).style.display = 'block';
	document.getElementById(item).style.visibility = 'visible';
}

function hideMenu(item)
{
	var t;
    eval("timer_" + item + "=1;");
    t=setTimeout("verbergen('"+item+"')",200);
}

function verbergen(item)
{
	if(timer_is_on==1)
    {
		document.getElementById(item).style.display = 'none';
		document.getElementById(item).style.visibility = 'hidden';
	}
	if(eval("timer_" + item)==1)
    {
		document.getElementById(item).style.display = 'none';
		document.getElementById(item).style.visibility = 'hidden';
	}
}