function Affichemenu(IdMenu)
{
		//alert(IdMenu);
		document.getElementById(IdMenu).style.display="Block";
		document.getElementById(IdMenu).style.visibility="visible";
}

function Cachermenu(IdMenu)
{
		//alert(IdMenu);
	document.getElementById(IdMenu).style.visibility="hidden";
		document.getElementById(IdMenu).style.display="none";

	
}