var menus=new Array();
menus[0]='presse';
var nomenuchange=0;

function showmenu(menu)
{
	if (nomenuchange != 1)
	{
		for(var i = 0; i < menus.length; i++)
		{
			if (menus[i]!=menu)
			{
				if (document.getElementById)
				{
					document.getElementById(menus[i]).style.display='none';
					document.getElementById(menus[i]).style.visibility='hidden';
				}
				else if (document.all && !document.getElementById)
				{
					document[menus[i]].style.display='none';
					document[menus[i]].style.visibility='hidden';
				}
			}
		}
		
		if (menu)
		{
			if (document.getElementById)
			{
				document.getElementById(menu).style.display='block';
				document.getElementById(menu).style.visibility='visible';
			}
			else if (document.all && !document.getElementById)
			{
				document[menu].style.display='block';
				document[menu].style.visibility='visible';
			}
		}
	}
}

function showvorschau()
{
	if (document.getElementById)
	{
		document.getElementById('vorschaulayer').style.display='block';
		document.getElementById('vorschaulayer').style.visibility='visible';
	}
	else if (document.all && !document.getElementById)
	{
		document['vorschaulayer'].display.visibility='block';
		document['vorschaulayer'].style.visibility='visible';
	}
}

function hidemenu(menu)
{
	if (document.getElementById)
	{
		document.getElementById(menu).style.visibility='hidden';
	}
	else if (document.all && !document.getElementById)
	{
		document[menu].style.visibility='hidden';
	}
}