var leave_timer = null;

function showSubmenu(obj)
{
	clearTimeout(leave_timer);

	var board = document.getElementById('menuboard');

/*	if (board.style.visibility == "hidden")
	{
		board.style.visibility = 'visible';
	}*/
	if (board.style.display == "none")
	{
		board.style.display = '';
	}
}

function leaveSubmenu()
{
	leave_timer = setTimeout("hideSubmenu();", 100);
}

function hideSubmenu()
{
	clearTimeout(leave_timer);

/*	if (document.getElementById('menuboard').style.visibility != "hidden")
	{
		var board = document.getElementById('menuboard');
		board.style.visibility = 'hidden';
	}*/
	if (document.getElementById('menuboard').style.display != "none")
	{
		var board = document.getElementById('menuboard');
		board.style.display = 'none';
	}
}