var timeout	= 0;
var closeTimer	= 0;
var meniuItem	= 0;

// open hidden layer
function openMeniuLayer(id)
{	
	// cancel close timer
	cancelCloseTime();

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

	// get new layer and show it
	meniuItem = document.getElementById(id);
	if(id != "meniu6") {meniuItem.style.visibility = 'visible';}

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

// go close timer
function closeMeniuTimer()
{
	closeTimer = window.setTimeout(closeLayer, timeout);
}

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

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