function hideLevel(levelId) 
{
	document.getElementById(levelId).style.display = "none";
}

function showLevel(levelId) 
{
	
	if (document.getElementById(levelId).style.display == "none") 
		{
			document.getElementById(levelId).style.display = "block";
			document.getElementById(levelId).style.visibility = "visible";
			
		}
	else 
		{
			hideLevel(levelId);
		}
}

function hideAllLevels()
{
	document.getElementById('furniture').style.display = "none";
	document.getElementById('gifts').style.display = "none";
	document.getElementById('contact').style.display = "none";
	/*document.getElementById('afterSub').style.display = "none";	*/
}