/*---------------------------------------*/
function ApriMenu(i)
{
    document.getElementById("SM" + i).style.visibility = "Visible";
}


function ChiudiMenu(i)
{
    document.getElementById("SM" + i).style.visibility = "Hidden";
}

/*

*/

function startmenu()
{
	document.getElementById('menu1').style.display = "none";
	document.getElementById('menu2').style.display = "none";
	document.getElementById('menu3').style.display = "none";
	document.getElementById('menu4').style.display = "none";
}

function menufunc(menuId)
{
	if(document.getElementById(menuId).style.display == "none")
	{
		startmenu();
		document.getElementById(menuId).style.display = "block";
	}
	else
	{
		startmenu();
	}
}