/***********************************************
* Switch Menu script- by Martial B of http://getElementById.com/
* Modified by Dynamic Drive for format & NS4/IE4 compatibility
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/
if (document.getElementById){ //DynamicDrive.com change
document.write('<style type="text/css">\n')
document.write('.submenu{display: none;}\n')
document.write('</style>\n')
}
function SwitchMenu(obj){
	if(document.getElementById)
	{
		var el = document.getElementById(obj);
		var ar = document.getElementById("masterdiv").getElementsByTagName("span"); //DynamicDrive.com change
		if(el.style.display != "block")
		{ //Commentando le 5 righe sotto, apre solo 1 menu' x volta
			for (var i=0; i<ar.length; i++)
			{
				if (ar[i].className=="submenu") //DynamicDrive.com change
				ar[i].style.display = "none";
			}
			el.style.display = "block";
		}
		else
		{
			el.style.display = "none";
		}
	}
}