function bascule(n)
{
	for(var i = 1; i <= 5; i++)
	{
		if(document.getElementById(i))
		{
			if(i == n)
			{
				etat = document.getElementById(n).style.display;
				if(etat == "none")
					document.getElementById(n).style.display = "block";
				else
					document.getElementById(n).style.display = "none";
			}
			else
			{
				document.getElementById(i).style.display = "none";
			}
		}
	}
}